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全部资讯   / 氨纶面料为什么泛黄?

氨纶面料为什么泛黄?

2023-03-14 10:12:21

<section data-role="outer" class="article135" label="edit by 135editor"><section data-role="paragraph" class="_135editor"><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="124116"><section style="margin: 10px auto; display: flex; justify-content: center; padding: 10px 0px 0px;"><section><section style="display: flex;justify-content: center;align-items: center;"><section style="font-size: 16px; color: rgb(255, 255, 255); text-align: center; letter-spacing: 1.5px; background-color: rgb(154, 194, 76); padding: 3px 10px;"><p style="line-height:1.75em"><span style="color:#000"><strong class="135brush" data-brushtype="text">01</strong><strong class="135brush" data-brushtype="text"></strong></span></p></section></section></section></section></section><p><br></p><p style="line-height:1.75em">由于氨纶分子链上均含有大量的氨基等反应性基团,在高温定形或储存过程中容易变黄,影响成品,特别是荧光增白面料及浅色面料的品质。</p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="124116"><section style="margin: 10px auto; display: flex; justify-content: center; padding: 10px 0px 0px;"><section><section style="display: flex;justify-content: center;align-items: center;"><section style="font-size: 16px; color: rgb(255, 255, 255); text-align: center; letter-spacing: 1.5px; background-color: rgb(154, 194, 76); padding: 3px 10px;"><p style="line-height:1.75em"><span style="color:#000"><strong class="135brush" data-brushtype="text">02</strong><strong class="135brush" data-brushtype="text"></strong></span></p></section><section style="flex-shrink: 0;display: flex;align-items: flex-start;"><section class="assistant" style="width: 15px; height: 0px; overflow: hidden; transform: translateY(-15px);"></section></section></section></section></section></section><p><br></p><p style="line-height:1.75em">氨纶为了改善在纺丝时运转性能,在织造过程中使用了硅油类润滑剂和其他助剂。这些助剂随着时间的推移会自然降解致使纤维泛黄。</p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="124116"><section style="margin: 10px auto; display: flex; justify-content: center; padding: 10px 0px 0px;"><section><section style="display: flex;justify-content: center;align-items: center;"><section style="font-size: 16px; color: rgb(255, 255, 255); text-align: center; letter-spacing: 1.5px; background-color: rgb(154, 194, 76); padding: 3px 10px;"><p style="line-height:1.75em"><span style="color:#000"><strong class="135brush" data-brushtype="text">03</strong><strong class="135brush" data-brushtype="text"></strong></span></p></section></section></section></section></section><p><br></p><p style="line-height:1.75em">氨纶不耐紫外线,经长时间日光暴晒后易泛黄,但不会立即造成强度损失。聚醚型氨纶比聚酯型氨纶更易泛黄,氨纶受干热处理时,若时间过长或温度过高也会造成泛黄,并会造成强度和弹性的损失,这是因聚醚软段被氧化所致。大气中某些氮氧化物、硫氧化物、醛类及烟气等也会造成氨纶泛黄,影响成品外观。某些不饱和油、不饱和脂肪酸及皮肤分泌物中某些脂肪物对氨纶丝中的某些稳定剂有萃取作用,会增加氨纶光氧化作用的敏感性,而使氨纶日晒后更易泛黄。</p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="124116"><section style="margin: 10px auto; display: flex; justify-content: center; padding: 10px 0px 0px;"><section><section style="display: flex;justify-content: center;align-items: center;"><section style="flex-shrink: 0;"><section style="font-size: 16px; letter-spacing: 1.5px; color: rgb(132, 171, 56); font-style: oblique; text-align: center; padding: 0px 5px;"><br></section></section><section style="font-size: 16px; color: rgb(255, 255, 255); text-align: center; letter-spacing: 1.5px; background-color: rgb(154, 194, 76); padding: 3px 10px;"><p style="line-height:1.75em"><span style="color:#000"><strong class="135brush" data-brushtype="text">04</strong><strong class="135brush" data-brushtype="text"></strong></span></p></section><section style="flex-shrink: 0;display: flex;align-items: flex-start;"><section class="assistant" style="width: 15px; height: 0px; overflow: hidden; transform: translateY(-15px);"></section></section></section></section></section></section><p style="line-height:1.75em">若接触含有效氯的化学品,氨纶也会泛黄,故在贮存时最好用聚乙烯薄膜包覆。</p><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="124116"><section style="margin: 10px auto; display: flex; justify-content: center; padding: 10px 0px 0px;"><section><section style="display: flex;justify-content: center;align-items: center;"><section style="flex-shrink: 0;"><section style="font-size: 16px; letter-spacing: 1.5px; color: rgb(132, 171, 56); font-style: oblique; text-align: center; padding: 0px 5px;"><br></section></section><section style="font-size: 16px; color: rgb(255, 255, 255); text-align: center; letter-spacing: 1.5px; background-color: rgb(154, 194, 76); padding: 3px 10px;"><p style="line-height:1.75em"><span style="color:#000"><strong class="135brush" data-brushtype="text">05</strong><strong class="135brush" data-brushtype="text"></strong></span></p></section><section style="flex-shrink: 0;display: flex;align-items: flex-start;"><section class="assistant" style="width: 15px; height: 0px; overflow: hidden; transform: translateY(-15px);"></section></section></section></section></section></section><p><br></p><p style="line-height:1.75em">此外氨纶本身是不容易上色的,也就是常规的染料是无法让氨纶上色的,因此在面料染色后,还原清洗不充分的情况下,也会出现所谓的泛黄现象。</p></section></section>

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