<section data-role="outer" class="article135" label="edit by 135editor"><section class="_135editor" data-tools="135编辑器" data-id="113597"><section style="margin: 20px auto;"><section><section style="margin: 0 15px;"><section style="background-color: #fffcf2;"><section style="padding: 20px 0px 0px 15px;"><section style="width: 15px;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 66.2 50.05" style="display: block;" xml:space="default"><g><g><path class="cls-1" style="fill:#ffc635;" d="M16.2,18.05h0c-1.07,0-1.54-.95-1.58-2-.31-8,6.69-13,12.92-13.94C28.58,1.92,28.08,0,27,0-2.55,0-.22,30.43.23,34.59a16,16,0,0,0,16,15.46h0a16,16,0,0,0,16-16h0A16,16,0,0,0,16.2,18.05Z"></path><path class="cls-1" style="fill:#ffc635;" d="M50.2,18.05h0c-1.07,0-1.54-.95-1.58-2-.31-8,6.69-13,12.92-13.94C62.58,1.92,62.08,0,61,0,31.45,0,33.78,30.43,34.23,34.59a16,16,0,0,0,16,15.46h0a16,16,0,0,0,16-16h0A16,16,0,0,0,50.2,18.05Z"></path></g></g></svg></section></section><section><section style="padding: 10px 15px 20px;"><section data-autoskip="1" class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;"><p style="vertical-align: inherit; line-height: 1.75em;">还原染料及暂溶性还原染料&nbsp;<br>①还原染料的染色<br>还原染料色泽鲜艳，色谱齐全，牢度优异，是纤维素纤维染色的高档染料。还原染料的染色有隐色体浸染和悬浮体轧染两种不同的工艺。隐色体浸染时先将染料用保险粉（强还原剂）和烧碱处理，使其还原成隐色体溶解在碱液中，投入染色物，控制温度和调整食盐用量，确保上染率，必要时可加匀染剂控制上染速度。染色完毕须进行氧化处理，使隐色体重新变为非水溶性的染料原始状态而固着在纤维上。<br>最后进行皂洗，以改进染品色光，增加牢度。悬浮体轧染在连续轧染设备上进行。染料不经还原，配制成以微细颗粒悬浮的分散液，对织物进行浸轧，然后烘干，并进一步浸轧含保险粉的碱性还原液后进入密闭的蒸箱，促使染料还原、溶解、扩散、渗透，最后在平洗单元机上进行氧化、皂洗。<br>②暂溶性还原染料的染色<br>暂溶性还原染料多为还原染料隐色体的硫酸酯盐，能直接溶于水，不须经还原步骤即可上染纤维。染色时，染浴中含染料、食盐和氧化剂亚硝酸钠，浸染或轧染后用稀硫酸溶液处理，使染料水解成隐色酸，继而被氧化剂或空气氧化而发色。</p></section></section><section style="margin-top: -5px;"><section class="assistant" style="width: 100%; max-width: 100% !important;" data-width="100%"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://bcn.135editor.com/files/images/editor_styles/bfa992962ff0f1e090ec959ab3290dfa.png" data-width="100%" draggable="false" data-ratio="0.024955436720142603" data-w="561"></section></section></section></section><section><section style="width: 100%; max-width: 100% !important;" data-width="100%"><img style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://bcn.135editor.com/files/images/editor_styles/956813c69a524c6ecdea262148955815.png" data-width="100%" draggable="false" data-ratio="0.5581395348837209" data-w="559"></section></section></section><section style="display: flex;justify-content: flex-end;align-items: flex-start;margin-top: -35px;"><section style="width: 30px;"><img style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://bcn.135editor.com/files/images/editor_styles/f76ccfbb235d422d0d33b573e7dbd115.gif" data-width="100%" draggable="false" data-ratio="1.4615384615384615" data-w="52"></section></section></section></section></section><section data-role="paragraph" class="_135editor"><p style="vertical-align:inherit;"><br></p></section></section>