<div><br></div><div><section class="_135editor" data-role="paragraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 14px; overflow-wrap: break-word !important; outline: none 0px !important;">　　答 真丝绸织物深色品种用直接染料染色后，因牢度不好而采用固色剂B做固色处理。固色过程中，染料阴离子与固色剂阳离子反应，在织物上形成难溶的络合物沉淀，从而提高丝绸的染色牢度。如果用量过多，牢度虽能达到要求，但手感发硬，光泽不佳。目前真丝绸较为理想的固色剂为Silkfix 3A（日本产品）或国产固色剂AF，与固色剂B使用浓度相同的固色剂AF处理的染色绸，其湿处理可提高半级到l级，且手感柔软厚实。固色剂AF可与CPU树脂和多种柔软剂同浴使用，可缩短工序。以轧固法为例，固色剂AF用量以20～30g／L为宜。</span></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section></div>