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2022-11-07 08:45:38
<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; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); visibility: visible; overflow-wrap: break-word !important;">印染厂车间漂白生产，主要影响因素有：增白剂、双氧水、以及烧碱。本文从这三方面进行简单探讨，仅供印染人士参考或纺织面料行业作简单了解。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><section data-role="title" data-tools="135编辑器" data-id="102525" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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: 10px auto; padding: 0px; outline: 0px; max-width: 100%; text-align: center; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: center; align-items: center; visibility: visible; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 0px 6px; padding: 0px; outline: 0px; max-width: 100%; background-image: linear-gradient(to right, rgba(253, 123, 119, 0) 0%, rgb(59, 92, 244) 100%); height: 1px; flex: 1 1 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 style="margin: 0px 10px; 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%; width: 30px; height: 30px; background: rgb(59, 92, 244); line-height: 30px; color: rgb(255, 255, 255); font-size: 16px; font-style: italic; visibility: visible; transform: rotate(0deg); overflow-wrap: break-word !important;">1</section><section hm_fix="327:474" style="margin: -25px 0px 0px 5px; padding: 0px; outline: 0px; max-width: 100%; width: 30px; height: 30px; background: rgb(255, 199, 86); 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 style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; background-image: linear-gradient(to left, rgba(253, 123, 119, 0) 0%, rgb(255, 199, 86) 100%); height: 1px; flex: 1 1 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></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; text-align: center; 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="center"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 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;">为什么荧光增白剂的用量过多,</strong></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; text-align: center; 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="center"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 82, 255); letter-spacing: 0.544px; visibility: visible; overflow-wrap: break-word !important;">织物白度反而下降?</strong></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; text-align: center; 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="center"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 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;">各种增白剂用量有无标准?</strong></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">荧光增白剂的品种甚多, 各种纤维的增白都有一定牌号的增白剂。虽然各种增白剂的化学结构和性能不同, 但对纤维或织物的增白原理都是一样的。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">其增白原理主要是由于增白剂的分子中含有共轭双键系统, 具有良好的平面性, 这种特殊的分子结构在日光照射下能吸收日光中紫外线( 波长为300 ～400nm) 而发出蓝紫色光( 波长为420～500 nm) , 蓝紫色光与纤维或织物上的黄光混合而变成白光, 从而使纤维或织物明显变白。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; text-align: center; 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="center"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;">▲含增白剂样本的反射曲线<strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></strong></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">荧光增白剂的增白作用只是光学上的增亮补色,，并不能代替化学漂白,，为此不经漂白的织物直接用荧光增白剂来增白,，其增白效果是不会理想的。从荧光增白剂的原理可知，增白剂的增白效果主要取决于照射日光中紫外线的含量以及纤维或织物上荧光增白剂的浓度。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">当照射日光中紫外线的含量充足时, 织物上荧光增白剂的浓度在一定范围内变化时, 其增白效果随织物上增白剂的浓度的增加而增强，但当增白剂的浓度提高到某一恰当浓度时，其增白效果最佳，可获得最高的白度值，若增白剂的用量超过最佳浓度时, 非但对织物的增白效果没有提高,，相反有所下降（即通常所说织物泛黄, 白度反而下降） , 此时，增白剂的最佳浓度称为增白剂的泛黄点。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">各种荧光增白剂的泛黄点是不同的, 例如荧光增白剂DT (用于涤纶)其泛黄点为0 .8%。即涤纶增白时，用DT 增白剂用量超过0 .8%时，其白度值随浓度增加而降低。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">泛黄点：</strong>荧光增白剂VBL( 用于纯棉织物)其泛黄点为0 .5% , 荧光增白剂DCB(用于腈纶增白) 其泛黄点为0 .8% , 荧光增白剂CH (用于腈纶膨体纱) 其泛黄点为3 .3% , Blankophor BBU(液状) (用于纯棉织物) 其泛黄点为1 .26% , Uvitex(ERN—P CGY 公司产品, 用于涤纶织物) 其泛黄点为0 .8% , UvitexEBF 250%(浆状) (用于涤纶织物) 其泛黄点为3%。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">随着织物上荧光增白剂的浓度增加，其发射的蓝紫光强度也增加,，从而抵消织物上的部分黄光，使黄光强度逐渐减少，织物也随之越来越白。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">当织物上荧光增白剂的浓度增加到一恰当浓度(即增白剂的泛黄点)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，这时织物也最白, 增白效果最好。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">当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, 上述两种因素综合作用的结果，使织物的灰色调增加，其作用随增白剂浓度增加而加强，从而使增白效果降低，虽然这时织物上已无黄光的痕迹， 但是看起来已不再洁白、明亮、耀目。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">为此在选用增白剂时，除了考虑其增白效果， 还要通过小样试验,，寻找不同增白剂在织物上的泛黄点， 以便合理使用，以获得最佳增白效果。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; text-align: center; 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="center"><br></p><section data-role="title" data-tools="135编辑器" data-id="102525" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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: 10px auto; padding: 0px; outline: 0px; max-width: 100%; text-align: center; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; display: flex; justify-content: center; align-items: center; overflow-wrap: break-word !important;"><section style="margin: 0px 0px 0px 6px; padding: 0px; outline: 0px; max-width: 100%; background-image: linear-gradient(to right, rgba(253, 123, 119, 0) 0%, rgb(59, 92, 244) 100%); height: 1px; flex: 1 1 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 style="margin: 0px 10px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-num="2" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; width: 30px; height: 30px; background: rgb(59, 92, 244); line-height: 30px; color: rgb(255, 255, 255); font-size: 16px; font-style: italic; transform: rotate(0deg); overflow-wrap: break-word !important;">2</section><section style="margin: -25px 0px 0px 5px; padding: 0px; outline: 0px; max-width: 100%; width: 30px; height: 30px; background: rgb(255, 199, 86); 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 style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; background-image: linear-gradient(to left, rgba(253, 123, 119, 0) 0%, rgb(255, 199, 86) 100%); height: 1px; flex: 1 1 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></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">漂白生产不够白，是加大双氧水还是烧碱？</strong></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">纯棉或涤／棉织物所进行的前处理，主要是去除棉纤维上杂质，使织物具有良好的印染加工性能，常规退浆、煮练、漂白各工序是针对不同杂质而设置的。但在生产中发现，上述工序并非专一，什么情况呢？我们一起来看一下！</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">在退浆的同时，原棉组份中的油脂、蜡质等也开始皂化，有一定煮练作用。在煮练过程中，不仅去除棉组份中的油脂、蜡质、果胶质、灰分，木质素等，浆料也得到进一步的去除，并可去除部分色素。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">另外在生产中织物、水、设备等难免存在重金属离子如Fe2+、Cu2+等也会引起双氧水剧裂分解，引起链式反应。因此，在退、煮、漂一浴法中，要严格控制强碱浴中双氧水的用量，其<strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">稳定剂必须满足三种功能：</strong></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">1、稳定过羟基阴离子(HOO-)</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">2、屏蔽重金属离子</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">3、抑制过羟基自由基(HOO·)的大量生成。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">在常规漂白工序中(pH10～11)，双氧水受碱激化，主要形成HOO-。此时，水玻璃因其高分子网络结构屏蔽重金属离子，能吸附Fe2+和封闭HOO—，使Fe2+不发生催化反应，同时抑制H00·自由基的形成和分解。水玻璃还能与漂液中Ca2+、Mg2+离子结合而形成高度分散的硅酸镁，硅酸钙胶体，吸附在催化剂表面，使其失去活性，从而起到稳定作用。若水玻璃在软水中漂白，非但没有稳定作用，相反因pH值升高而加速双氧水的分解。但当Fe2+含量超过水玻璃的吸附能力时，就会减弱稳定作用。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">为此，水玻璃虽稳定效果好，价格又便宜，但在强碱退、煮、漂一浴法中，水玻璃就不能满足上述功能。所以处方中单用水玻璃作稳定剂是不合理的。如果将水玻璃和硫酸镁及络合剂等按一定比例混合则可适合于退、煮、漂一浴法。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">另外处方中所用精练剂和净洗剂，一定要求能耐碱，在碱浴中有较好的渗透性，要具有乳化、洗涤、增溶、分散等作用，浊点要高，如果这些质量指标达不到要求，同样对退、煮、漂一浴法的效果带来一定影响，总之，只要选择好适当的双氧水稳定剂和精练剂、渗透剂以及控制好工艺条件，正确解决强碱中的过度、激化、稳定等关系，一定可使退、煮、漂一浴法取得理想的功效。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">另外：</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">1、水玻璃用量过多，双氧水残留较多，未能充分发挥漂白作用。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">2、降低水玻璃用量，增加螯合型稳定剂。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">3、烧碱浓度可适当提高、轧余率可增大。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(102, 102, 102); font-size: 15px; letter-spacing: 0.544px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); overflow-wrap: break-word !important;">4、汽蒸温度可适当提高一些。</span></p></section>