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2022-11-15 08:31:13
<section data-role="outer" class="article135" label="edit by 135editor"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); visibility: visible; overflow-wrap: break-word !important;">棉织物白色产品，是当前印染加工当中最为常见的染色品种之一，同时易出现各种问题。印染厂在漂白助剂(特别是荧光增白剂)和漂白工艺上作不少试验，提高了漂白产品白度，满足客户要求。然而，一些特白产品黄变现象引起了客户的注意，有些厂家的产品在生产时白度很好，然而在贮运和销售过程中却发生明显的黄变，本文进行简单分析。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-role="title" data-tools="135编辑器" data-id="116481" data-color="#d82821" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 20px auto; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; align-items: center; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 30px; letter-spacing: 1.5px; color: rgb(216, 40, 33); text-align: center; flex-shrink: 0; visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">0</strong><strong data-original-title="" title="" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">1</strong></section><section data-width="57%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 57%; visibility: visible; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 100%; height: 1px; background-color: rgb(216, 40, 33); flex-shrink: 0; overflow: hidden; visibility: visible; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section></section><section data-width="42%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 42%; visibility: visible; overflow-wrap: break-word !important;"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 215 30" style="display: inline-block; visibility: visible;" xml:space="default"><polygon style="fill: rgb(216, 40, 33); visibility: visible;" points="0,29.3 0.7,30 29,0.7 28.3,0 "></polygon><polygon style="fill: rgb(216, 40, 33); visibility: visible;" points="14.3,29.3 15,30 43.3,0.7 42.6,0 "></polygon><polygon style="fill: rgb(216, 40, 33); visibility: visible;" points="28.6,29.3 29.3,30 57.6,0.7 56.9,0 "></polygon><polygon style="fill: rgb(216, 40, 33); visibility: visible;" points="42.9,29.3 43.6,30 71.9,0.7 71.2,0 "></polygon><polygon style="fill: rgb(216, 40, 33); 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visibility: visible;" points="186,29.3 186.7,30 215,0.7 214.3,0 "></polygon></svg></section></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(51, 51, 51); text-align: left; letter-spacing: 1.5px; visibility: visible; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;">荧光增白剂的感光降解</strong></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; visibility: visible; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">特白产品一般要用荧光增白剂处理，一些厂家为了提高白度，对荧光增白剂的选用作了不少试验，但往往仅着眼于白度的提高，而忽视对增白剂有关牢度指标的测试。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">在长时间光照下，荧光增白剂将可能感光降解，使特白产品产生黄变现象，在这种情况下，荧光增白剂的耐光性、耐热性指标就很重要了。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">荧光增白剂在紫外线作用下，其分子被逐渐破坏，因此增白织物的效果随着曝晒时间增加而渐渐减退。各种荧光增白剂的日晒牢度各不相同，日晒牢度主要取决于荧光增白剂的分子结构、取代基的性质和位置，提高日晒牢度是荧光增白剂的发展重点。提高荧光增白剂的纯度也能在一定程度上防止黄变，这也是增白剂的一个发展方向。为减轻特白产品黄变，要注意选用日晒牢度好、纯度高的荧光增白剂。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-role="title" data-tools="135编辑器" data-id="116481" data-color="#d82821" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 20px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 30px; letter-spacing: 1.5px; color: rgb(216, 40, 33); text-align: center; flex-shrink: 0; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">0</strong><strong data-original-title="" title="" data-num="2" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">2</strong></section><section data-width="57%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 57%; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 100%; height: 1px; background-color: rgb(216, 40, 33); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section data-width="42%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 42%; overflow-wrap: break-word !important;"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 215 30" style="enable-background:new 0 0 215 30;display:inline-block;" xml:space="default"><polygon style="fill:#d82821;" points="0,29.3 0.7,30 29,0.7 28.3,0 "></polygon><polygon style="fill:#d82821;" points="14.3,29.3 15,30 43.3,0.7 42.6,0 "></polygon><polygon style="fill:#d82821;" points="28.6,29.3 29.3,30 57.6,0.7 56.9,0 "></polygon><polygon style="fill:#d82821;" points="42.9,29.3 43.6,30 71.9,0.7 71.2,0 "></polygon><polygon style="fill:#d82821;" points="57.2,29.3 57.9,30 86.2,0.7 85.5,0 "></polygon><polygon style="fill:#d82821;" points="71.5,29.3 72.2,30 100.5,0.7 99.8,0 "></polygon><polygon style="fill:#d82821;" points="85.9,29.3 86.6,30 114.8,0.7 114.1,0 "></polygon><polygon style="fill:#d82821;" points="100.2,29.3 100.9,30 129.1,0.7 128.4,0 "></polygon><polygon style="fill:#d82821;" points="114.5,29.3 115.2,30 143.5,0.7 142.8,0 "></polygon><polygon style="fill:#d82821;" points="128.8,29.3 129.5,30 157.8,0.7 157.1,0 "></polygon><polygon style="fill:#d82821;" points="143.1,29.3 143.8,30 172.1,0.7 171.4,0 "></polygon><polygon style="fill:#d82821;" points="157.4,29.3 158.1,30 186.4,0.7 185.7,0 "></polygon><polygon style="fill:#d82821;" points="171.7,29.3 172.4,30 200.7,0.7 200,0 "></polygon><polygon style="fill:#d82821;" points="186,29.3 186.7,30 215,0.7 214.3,0 "></polygon></svg></section></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(51, 51, 51); text-align: left; letter-spacing: 1.5px; overflow-wrap: break-word !important;"><strong data-brushtype="text" hm_fix="266:460" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">生产工艺方面的因素</strong></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">1、前处理不充分</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">棉纤维中含有90%的纤维素，还含有10%左右的天然杂质(称为纤维素共生物)：包括果胶、含氮物质、蜡状物质、灰分(无机盐类)、色素和棉籽壳。由于精练、漂白工艺的缺陷，棉的杂质未除尽或底白太差，将会导致泛黄。因此对于特白产品，要注意加强前处理，漂白程度尽量加强些，以提高织物底白。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">2、漂白用水质不良</span></strong></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">其产生黄斑可能是由于漂白用水质不良，含二价铁离子较高所致，二价铁离子日久被氧化成三价铁离子，这样就在纱线上形成黄斑。这种黄斑不但影响外观质量，同时还会使纤维脆损。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">3、双氧水没洗干净</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">除氧不透，带酸带碱，双氧水洗不干净，柔软剂等都会产生泛黄。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">4、工艺不一样</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">工艺不一样也会产生不一样的黄变。如酸碱值太高或太低，还有就是阳硅油型的柔软剂不一样等。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">5、增白剂用量过高</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">增白剂用量过高会使织物泛黄，尤其在放置一段时间织物回潮率越大黄变越明显，不能一味的用提高加白剂用量来达到白度要求。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">增白剂使用过量过多，由于织物上黄光的强度是有限的， 因此抵消该黄光（主波长在570nm 左右）所需要的由荧光增白剂吸收紫外线而发射出的黄光的补色光--蓝紫色光也是有限的。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">当增白剂的浓度提高到某一恰当浓度时，其发射出蓝紫光的强度恰好与织物上的黄光强度相等，彼此恰好抵消，其增白效果最佳，可获得最高的白度值。此时的增白剂浓度为此荧光增白剂的，但若增白剂的用量超过泛黄点，织物上吸收蓝紫色光强度大于抵消织物上黄光的强度时，增白剂所反射出的蓝紫光表现得极为明显，同时因增白剂的各种组成基团不同，所呈现的不同色调（如青光紫、红光蓝等）也较明显地表现出来，上述因素综合作用的结果，使织物的灰色调增加，其作用随着白度下降。另外，不同的增白剂都有泛黄点即最佳浓度，且不用品种的增白剂泛黄点不同。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">荧光增白剂的增白只是光学上的增亮补色，并不能代替化学漂白，因此在做荧光增白前需对加工品种进行前处理加工，或者使用前处理增白一浴法加工处理织物。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-role="title" data-tools="135编辑器" data-id="116481" data-color="#d82821" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 20px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 30px; letter-spacing: 1.5px; color: rgb(216, 40, 33); text-align: center; flex-shrink: 0; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">0</strong><strong data-original-title="" title="" data-num="3" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">3</strong></section><section data-width="57%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 57%; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 100%; height: 1px; background-color: rgb(216, 40, 33); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section data-width="42%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 42%; overflow-wrap: break-word !important;"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 215 30" style="enable-background:new 0 0 215 30;display:inline-block;" xml:space="default"><polygon style="fill:#d82821;" points="0,29.3 0.7,30 29,0.7 28.3,0 "></polygon><polygon style="fill:#d82821;" points="14.3,29.3 15,30 43.3,0.7 42.6,0 "></polygon><polygon style="fill:#d82821;" points="28.6,29.3 29.3,30 57.6,0.7 56.9,0 "></polygon><polygon style="fill:#d82821;" points="42.9,29.3 43.6,30 71.9,0.7 71.2,0 "></polygon><polygon style="fill:#d82821;" points="57.2,29.3 57.9,30 86.2,0.7 85.5,0 "></polygon><polygon style="fill:#d82821;" points="71.5,29.3 72.2,30 100.5,0.7 99.8,0 "></polygon><polygon style="fill:#d82821;" points="85.9,29.3 86.6,30 114.8,0.7 114.1,0 "></polygon><polygon style="fill:#d82821;" points="100.2,29.3 100.9,30 129.1,0.7 128.4,0 "></polygon><polygon style="fill:#d82821;" points="114.5,29.3 115.2,30 143.5,0.7 142.8,0 "></polygon><polygon style="fill:#d82821;" points="128.8,29.3 129.5,30 157.8,0.7 157.1,0 "></polygon><polygon style="fill:#d82821;" points="143.1,29.3 143.8,30 172.1,0.7 171.4,0 "></polygon><polygon style="fill:#d82821;" points="157.4,29.3 158.1,30 186.4,0.7 185.7,0 "></polygon><polygon style="fill:#d82821;" points="171.7,29.3 172.4,30 200.7,0.7 200,0 "></polygon><polygon style="fill:#d82821;" points="186,29.3 186.7,30 215,0.7 214.3,0 "></polygon></svg></section></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(51, 51, 51); text-align: left; letter-spacing: 1.5px; overflow-wrap: break-word !important;"><strong data-brushtype="text" hm_fix="292:470" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">柔软剂的选用</strong></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); background-color: rgb(255, 251, 0); overflow-wrap: break-word !important;">阳离子型柔软剂</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">一般是脂肪酸或脂肪酰胺衍生的叔胺盐或季铵盐，具有优良的柔软效果，而且对纤维的吸附性大，即使浓度很低也能充分吸附，因此很多厂家选用阳离子型柔软剂。但是，阳离子型柔软剂与棉用荧光增白剂相容性不太好，在产品长期的贮运和销售过程中，柔软剂的胺基也有可能被氧化，从而引起特白产品一定程度的泛黄。因此对特白织物最好不要选用阳离子柔软剂。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); background-color: rgb(255, 251, 0); overflow-wrap: break-word !important;">阴离子型柔软剂</span><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">一般组分是：烷基硫酸盐、硫酸化脂肪酸酯、聚氧乙烯烷基醚的硫酸酯盐、烷基磷酸盐等。阴离子柔软剂手感平滑，具有再润湿性，用于棉纤维上吸水性好，耐洗性差。阴离子型柔软剂与棉用荧光增白剂相容性好，一般不会降低增白剂效果或发生色变。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-role="title" data-tools="135编辑器" data-id="116481" data-color="#d82821" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 20px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 30px; letter-spacing: 1.5px; color: rgb(216, 40, 33); text-align: center; flex-shrink: 0; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">0</strong><strong data-original-title="" title="" data-num="4" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">4</strong></section><section data-width="57%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 57%; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 100%; height: 1px; background-color: rgb(216, 40, 33); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section data-width="42%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 42%; overflow-wrap: break-word !important;"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 215 30" style="enable-background:new 0 0 215 30;display:inline-block;" xml:space="default"><polygon style="fill:#d82821;" points="0,29.3 0.7,30 29,0.7 28.3,0 "></polygon><polygon style="fill:#d82821;" points="14.3,29.3 15,30 43.3,0.7 42.6,0 "></polygon><polygon style="fill:#d82821;" points="28.6,29.3 29.3,30 57.6,0.7 56.9,0 "></polygon><polygon style="fill:#d82821;" points="42.9,29.3 43.6,30 71.9,0.7 71.2,0 "></polygon><polygon style="fill:#d82821;" points="57.2,29.3 57.9,30 86.2,0.7 85.5,0 "></polygon><polygon style="fill:#d82821;" points="71.5,29.3 72.2,30 100.5,0.7 99.8,0 "></polygon><polygon style="fill:#d82821;" points="85.9,29.3 86.6,30 114.8,0.7 114.1,0 "></polygon><polygon style="fill:#d82821;" points="100.2,29.3 100.9,30 129.1,0.7 128.4,0 "></polygon><polygon style="fill:#d82821;" points="114.5,29.3 115.2,30 143.5,0.7 142.8,0 "></polygon><polygon style="fill:#d82821;" points="128.8,29.3 129.5,30 157.8,0.7 157.1,0 "></polygon><polygon style="fill:#d82821;" points="143.1,29.3 143.8,30 172.1,0.7 171.4,0 "></polygon><polygon style="fill:#d82821;" points="157.4,29.3 158.1,30 186.4,0.7 185.7,0 "></polygon><polygon style="fill:#d82821;" points="171.7,29.3 172.4,30 200.7,0.7 200,0 "></polygon><polygon style="fill:#d82821;" points="186,29.3 186.7,30 215,0.7 214.3,0 "></polygon></svg></section></section><section hm_fix="349:473" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(51, 51, 51); text-align: left; letter-spacing: 1.5px; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">抗氧化剂有关的氨氮化物</strong></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">在抗氧剂和氮氧化物存在的况下，对特白产品的影响大致为以下方面。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">1、抗氧剂的存在及影响</span></strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">抗氧剂可能存在于纤维本身，如棉纤维在生长中使用了杀虫剂。也可能来源于纺织加工过程，纺纱、织布和染整加工中使用的助剂可能含有抗氧剂的成分。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">抗氧剂更主要的是存在于包装材料中，坯布和成衣一般采用塑料材料包装，塑料材料加工时，为了防止老化，一般添加抗氧剂，常用酚类抗氧剂：2，6-二叔丁基-4-甲基酚(简称BHT)。BHT在氮氧化物(NO )存在条件下将发生变化。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">从反应情况看出，BHT在NO 存在的情况下硝基化，硝化衍生物在中性至碱性条件下呈黄色，在酸性条件下呈无色。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">2、由抗氧剂引起黄变问题的解决方法</span></strong></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">在生产和存放场所避免氮氧化物的存在，特别是没有直接气体加热装置或大型发动机在附近，要对生产和存放场所中氮氧化物情况进行监测。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">在纺织加工过程中避免使用含有抗氧剂成分的化学品，特别是尽量避免使用含酚类抗氧剂的包装材料。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">控制坯布布面pH值5—6。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">前面谈到BHT硝化衍生物在酸性条件下呈无色。但同时考虑到一般棉的荧光增白剂耐酸性能不高。因此认为控制坯布布面pH值5—6为宜。可以在坯布后处理时用适量的酸处理，最好是不挥发性酸，比如柠檬酸和酒石酸，同时要做好工艺试验，控制好坯布布面的pH值(指抽取液pH值)。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">3、漂白织物存储</span></strong></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">漂白织物当存放不当，当存放的地方有酸或氯等气体时，会使织物泛黄和织物斑点由点扩大成块，成面以及渗化到织物的上下各层。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-role="title" data-tools="135编辑器" data-id="116481" data-color="#d82821" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 20px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 30px; letter-spacing: 1.5px; color: rgb(216, 40, 33); text-align: center; flex-shrink: 0; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">0</strong><strong data-original-title="" title="" data-num="5" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">5</strong></section><section data-width="57%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 57%; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 100%; height: 1px; background-color: rgb(216, 40, 33); flex-shrink: 0; overflow: hidden; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section><section data-width="42%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 42%; overflow-wrap: break-word !important;"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 215 30" style="enable-background:new 0 0 215 30;display:inline-block;" xml:space="default"><polygon style="fill:#d82821;" points="0,29.3 0.7,30 29,0.7 28.3,0 "></polygon><polygon style="fill:#d82821;" points="14.3,29.3 15,30 43.3,0.7 42.6,0 "></polygon><polygon style="fill:#d82821;" points="28.6,29.3 29.3,30 57.6,0.7 56.9,0 "></polygon><polygon style="fill:#d82821;" points="42.9,29.3 43.6,30 71.9,0.7 71.2,0 "></polygon><polygon style="fill:#d82821;" points="57.2,29.3 57.9,30 86.2,0.7 85.5,0 "></polygon><polygon style="fill:#d82821;" points="71.5,29.3 72.2,30 100.5,0.7 99.8,0 "></polygon><polygon style="fill:#d82821;" points="85.9,29.3 86.6,30 114.8,0.7 114.1,0 "></polygon><polygon style="fill:#d82821;" points="100.2,29.3 100.9,30 129.1,0.7 128.4,0 "></polygon><polygon style="fill:#d82821;" points="114.5,29.3 115.2,30 143.5,0.7 142.8,0 "></polygon><polygon style="fill:#d82821;" points="128.8,29.3 129.5,30 157.8,0.7 157.1,0 "></polygon><polygon style="fill:#d82821;" points="143.1,29.3 143.8,30 172.1,0.7 171.4,0 "></polygon><polygon style="fill:#d82821;" points="157.4,29.3 158.1,30 186.4,0.7 185.7,0 "></polygon><polygon style="fill:#d82821;" points="171.7,29.3 172.4,30 200.7,0.7 200,0 "></polygon><polygon style="fill:#d82821;" points="186,29.3 186.7,30 215,0.7 214.3,0 "></polygon></svg></section></section><section hm_fix="319:477" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(51, 51, 51); text-align: left; letter-spacing: 1.5px; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">预防及解决方法</strong></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">1、在生产过程中应采取一系列相应措施，如在煮漂过程中，酸洗后的水洗一定要充分；皂洗要尽量减少皂质的残留；加白时应使用软水及控制 pH值偏碱性（ pH 8-9）；选用的荧光增白剂应选耐酸性较好的产品。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">2、传统工艺流程是: 练漂 → 热水洗 → 过酸 →脱氧 → 水洗。在排液热水洗后过冰醋酸。冰醋酸是挥发性酸，渗透能力差，只能中和纤维表面的烧碱,难以渗透到纤维内部。尤其是厚重织物，往往在纤维内部残留烧碱。因此改用中和酸，中和酸不仅可以中和纤维表面的烧碱，也能中和纤维内部的烧碱，可以达到完全中和的效果。同时过酸的时间和温度也要严格控制，以便中和彻底，因此将过酸时间适当延长。这对厚重织物的漂白尤其重要。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">3、柔软剂的选择。阳离子柔软剂、弱阳离子柔软剂及普通硅油手感柔软，都会引起白色织物不同程度的黄变。因此要对柔软剂加以选择和确认。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">4、加工织物应避免与酸或氯等气体接触。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">5、控制水质，尽量应使用软水。水质硬度高，增白效果会下降。水中如含酸、游离氯及铜、铁等重金属离子会显著影响增白效果。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">6、控制荧光增白剂用量。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><section data-role="title" data-tools="135编辑器" data-id="116481" data-color="#d82821" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" class="_135editor"><section style="margin: 20px auto; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 30px; letter-spacing: 1.5px; color: rgb(216, 40, 33); text-align: center; flex-shrink: 0; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">0</strong><strong data-original-title="" title="" data-num="6" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">6</strong></section><section data-width="57%" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 57%; overflow-wrap: break-word !important;"><section data-width="100%" style="margin: 0px; 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padding: 0px; outline: 0px; max-width: 100%; font-size: 20px; color: rgb(51, 51, 51); text-align: left; letter-spacing: 1.5px; overflow-wrap: break-word !important;"><strong data-brushtype="text" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">编后语</strong></section></section></section></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">纯棉白色产品在贮存和销售过程中的黄变是多种因素交错影响的结果，主要是受荧光增白剂的感光降解、会变色的柔软剂、布面pH值、烟气，尤其是与抗氧剂有关的氮氧化物的影响。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; letter-spacing: 0.544px; text-align: justify; color: rgb(102, 102, 102); font-size: 15px; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">为此，在生产中要注意前处理程度，荧光增白剂和柔软剂的选用，布面pH值的控制等方面都要适应保持白度稳定性的要求。对放置场所中氮的氧化物要进行监测，坯布和成衣要避免存放在氮氧化物浓度较高的场所，要尽量避免日光直射，保持存放场所阴凉干燥。这样才能保持特白产品白度的稳定性和持久性，从而满足客户要求。</span></p></section>