<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; visibility: visible; overflow-wrap: break-word !important;"><span style="font-size:15px"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; caret-color: red; visibility: visible; overflow-wrap: break-word !important;">双染就是进行两次染色加工，针对棉或交织的织物</strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; caret-color: red; visibility: visible; overflow-wrap: break-word !important;">，比如T/C65/35涤棉布，由于涤与棉纤维需要进行不同的染料上色，涤使用分散染料，而棉一般使用活性染料，进行二次染色加工才能使棉或交织的织物达到均匀上色的效果。</span><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"></span></p><section data-role="outer" label="edit by 135editor" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;"><section data-role="paragraph" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; visibility: visible; overflow-wrap: break-word !important;" class=""><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><span style="font-size:15px"><strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; caret-color: red; visibility: visible; overflow-wrap: break-word !important;">单染就是只染面料中的一种纤维</strong><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; caret-color: red; visibility: visible; overflow-wrap: break-word !important;">。我们还是以T/C65/35面料为例，因为两种纤维的组成和结构不同所以所用的染料和染色方法不一样，所以如果只用一种染色方法染这块布，就会出现一种纤维上色而另外一种纤维没有上色，所以面料就出现了均匀分布的花灰效果。这种方法是用来制作不同布面风格。</span></span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; visibility: visible; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; caret-color: red; visibility: visible; font-size: 15px; overflow-wrap: break-word !important;">但是，单染面料却是容易出问题，为什么呢？</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><br></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="font-size:15px">其实，在纺纱过程中，有一道工序叫并条。<strong style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">并条的作用是改善条子的内部结构，从而提高其长片段均匀度，同时降低重量不匀率，使条子中的纤维伸直平行，减少弯钩</strong>，使细度符合规定,使不同种类或不同品质的原料混和均匀，达到规定的混和比。而如果原料混合不均匀就会造成这种情况发生。</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="font-size:15px">&nbsp; &nbsp; &nbsp;&nbsp;</span></p><p style="margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="font-size:15px">因此单染混纺纱面料对于用纱要求更高更严，普通的纱线并条工序做二遍并条（简称二并），做单染的纱线一定要做到三并、四并，并的次数越多，原料混合越均匀，单染后的效果越好。</span></p></section></section></section>