<section data-role="outer" class="article135" label="edit by 135editor"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; line-height: 2em; visibility: visible; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; font-size: 15px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: #000000; visibility: visible;">在车水马龙的街上行走，常常看到空气略带浅棕色，又有一股辛辣刺激</span>分不清它是直接被排放的，而是转化而成的，汽车、燃料、石化等是臭氧的重要污染源，比如汽车排放的氮氧化物，只要在阳光辐射及适合的气象条件下就可以生成臭氧。随着汽车和工业排放的增加，地面臭氧污染在欧洲、北美、日本以及我国的许多城市中成为普遍现象。臭氧氧化性很强，可以氧化有机化合物，一定浓度可使织物褪色，如靛蓝遇臭氧会脱色。这一现象已经引起业界的广泛关注，纷纷提出对纺织品臭氧色牢度的要求。</span></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; min-height: 1em; text-align: center; line-height: 2em; visibility: visible; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(136, 136, 136); font-size: 14px; visibility: visible; overflow-wrap: break-word !important;"></span></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; min-height: 1em; line-height: 2em; visibility: visible; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; 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;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(217, 33, 66); visibility: visible; overflow-wrap: break-word !important;">什么是<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; letter-spacing: 0.544px; visibility: visible;">牛仔裤黄变</span>？</span></strong></span></p><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; min-height: 1em; line-height: 2em; visibility: visible; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); font-size: 16px; visibility: visible; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp; &nbsp;<span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; font-size: 15px;">牛仔裤黄变是纺织染整行业内较为普遍的质量问题。牛仔裤长期暴露于空气中会发生黄变现象，一些折叠部位黄变更加明显，严重影响外观。（见上图）本文主要探讨牛仔裤产生黄变的原因，并针对牛仔裤的后整理与储存两个环节提出预防措施。</span></span></section><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; min-height: 1em; line-height: 2em; visibility: visible; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; overflow-wrap: break-word !important;" class=""><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></section><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; min-height: 1em; line-height: 2em; visibility: visible; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; overflow-wrap: break-word !important;" align="justify"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(217, 33, 66); visibility: visible; font-size: 16px; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(62, 62, 62); visibility: visible; overflow-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(51, 51, 51); font-size: 15px; letter-spacing: 0.544px; visibility: visible; overflow-wrap: break-word !important;">牛仔面料黄变主要原因？</strong></span></strong></span></p><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; min-height: 1em; line-height: 2em; visibility: visible; font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); font-size: 16px; visibility: visible; overflow-wrap: break-word !important;">&nbsp; &nbsp; &nbsp; <span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; font-size: 15px;">我们对出现黄变的牛仔裤进行了统计分析，发现黄变严重的面料一般具有以下特点：</span></span></section><ul class="list-paddingleft-2" style="margin-bottom: 0px; padding-left: 30px; outline: 0px; max-width: 100%; color: rgb(34, 34, 34); font-size: 17px; letter-spacing: 0.544px; text-align: justify; visibility: visible; font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><li><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; letter-spacing: 1px; line-height: 2em; visibility: visible; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); visibility: visible; font-size: 15px; overflow-wrap: break-word !important;">A. 纱支比传统的牛仔裤要细。</span></section></li><li><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; letter-spacing: 1px; line-height: 2em; visibility: visible; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); visibility: visible; font-size: 15px; overflow-wrap: break-word !important;">B. 经纱为色纱（含有靛蓝染料）；纬纱为本白纱，成分涤纶或者纯棉纱，并且本白纱露在正面的比较多。把经纬纱拆开分析，本白纱的黄变现象更加明显。</span></section></li><li><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; letter-spacing: 1px; line-height: 2em; visibility: visible; overflow-wrap: break-word !important;" class=""><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgb(0, 0, 0); visibility: visible; font-size: 15px; overflow-wrap: break-word !important;">考虑到生产加工中的实用性，这里介绍一种简单分辨靛蓝染料染色的牛仔面料的方法：将面料点燃后放置在白色瓷砖上，如果白色瓷砖上出现蓝色痕迹，该面料含有靛蓝染料。</span></section></li></ul></section>