<p><section class="box-edit _135editor" style="margin-top: 15px;"><section style="display: flex;justify-content: flex-start;align-items: flex-end;"><section><section style="letter-spacing: 1.5px; color: rgb(42, 38, 36); padding: 0px 6px;"><section style="width: 24px; height: 24px; background: linear-gradient(to right bottom, rgb(255, 163, 54) 0%, rgb(255, 254, 252) 100%);"><section style="letter-spacing: 0.5px; line-height: 24px;"><strong>0</strong><strong class="autonum" data-original-title="" title="" data-num="4">1</strong></section></section><section><section style="padding: 0px 6px;"><strong class="135brush" data-brushtype="text">直接染料</strong></section><section class="assistant" style="width: 100%; height: 12px; background: linear-gradient(to right, rgb(255, 175, 81) 0%, rgb(255, 252, 248) 100%); margin-top: -10px; overflow: hidden;" data-width="100%"></section></section></section><section class="assistant" style="width: 100%; height: 12px; background: linear-gradient(to right, rgb(255, 175, 81) 0%, rgb(255, 252, 248) 100%); margin-top: -10px;" data-width="100%"><br></section></section></section><section data-autoskip="1" class="135brush" style="padding: 15px 0px 0px 12px; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(42, 38, 36); background: transparent;"><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-size: 17px; letter-spacing: 0.544px; 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;"><span style="font-size: 14px; color: rgb(42, 38, 36); text-decoration-style: solid; text-decoration-color: rgb(42, 38, 36); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">直接染料直接染料能溶于水，在中性或弱碱性溶液中，可直染棉纤维。染色时加入食盐等中性电解质，能增加染料上的杂量。直接染料色谱齐全，染色方法简便，价格也较便宜，曾为棉织物的主要梁料。但这种染料染色牢席不够好，需在后处理中进行固色处理。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-size: 17px; letter-spacing: 0.544px; 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;"><br></p></section></section><section class="box-edit _135editor" style="margin-top: 15px;"><section style="display: flex;justify-content: flex-start;align-items: flex-end;"><section style="width: 24px; height: 24px; background: linear-gradient(to right bottom, rgb(255, 163, 54) 0%, rgb(255, 254, 252) 100%);"><section style="letter-spacing: 0.5px; color: rgb(42, 38, 36); line-height: 24px;"><strong>0</strong><strong class="autonum" data-original-title="" title="" data-num="5">2</strong></section></section></section></section></p><p><section class="box-edit _135editor" style="margin-top: 15px;"><section style="display: flex;justify-content: flex-start;align-items: flex-end;"><section><section style="letter-spacing: 1.5px; color: rgb(42, 38, 36); padding: 0px 6px;"><strong class="135brush" data-brushtype="text">活性染料</strong></section><section class="assistant" style="width: 100%; height: 12px; background: linear-gradient(to right, rgb(255, 175, 81) 0%, rgb(255, 252, 248) 100%); margin-top: -10px; overflow: hidden;" data-width="100%"></section></section></section><section data-autoskip="1" class="135brush" style="padding: 15px 0px 0px 12px; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(42, 38, 36); background: transparent;"><p style="vertical-align:inherit;"><span style="background-color: transparent; caret-color: red; text-decoration-style: solid; text-decoration-color: rgb(42, 38, 36);">活性染料活性染料是指含有活性基团的可溶性染料。在适当条件下，能与纤维素纤维、蛋白质纤维发生化学结合，大大地提高被染物的水洗、皂洗色牢度等。同时，它还具有染色、印花简便、色泽鲜艳，色谱较齐，价格较便宜等优点。但一般活性染料固色率不高，在碱性溶液中易水解，造成浮色。所以织物染色时采用先染色，后固色的方法，以提高染料的固色率。用于印花，要根据染料品种的不同，选用一相法或两相法印花。还有一些活性染料的耐氯漂色牢度和耐气候色牢度较差。</span></p></section></section></p>