<section data-role="outer" class="article135" label="edit by 135editor"><section data-role="paragraph" class="_135editor"><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;" align="left"><span style="caret-color: red;">&nbsp; &nbsp; &nbsp; &nbsp;弹力布是我部门主要供应产品之一，目前可以承接各种常规品种订单，并且有着成熟的定织分析报价能力。经过多年的经验积累，弹力布也是了如指掌。下面和大家分享一些小知识。</span></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 24px; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"><img src="https://bcn.135editor.com/files/users/390/3900717/202205/DeQyFnIk_IBZu.png" style="vertical-align: inherit; width: 100%; max-width: 100% !important;" alt="弹力.png" data-ratio="0.4351145038167939" data-w="524"></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;">　　弹力布的核心纤维为氨纶纤维，目前氨纶纤维的市场占有也是越来越大。氨纶纤维是弹力纤维中的一种，弹力纤维国外统称为Spandex (斯潘德克斯)，我国的商品名称为氨纶，实际上氨纶仅是弹力纤维的一个大类。氨纶纤维(PolyurethaneFibre)简称PU纤维，共有两个品种，一个是由芳香双异氰酸酯和含有羟基的聚酯链段镶嵌共聚物，简称为聚酯型氨纶，另一个品种是由芳香双异氰酸酯与含有羟基的聚醚链段镶嵌共聚物，简称为聚醚型氨纶。聚酯型氨纶代表性的商品名称为Vyrent(瓦伊伦)，聚醚型氨纶代表性的商品名称为Lyera (莱克拉)。</p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;">　　<strong>1. 氨纶弹性纤维成纱的形式</strong></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;">　　氨纶弹力纤维与其他纤维混合纺成弹力纱，其纱线的形式目前有三种形式：即氨纶包芯纱、氨纶合捻纱和氨纶包覆纱。三种形式的纱线在加工原理、结构性能上有着本质的区别。因此其用途和织造性能也有很大的差别。三种纱线的结构示意图如下图：</p><p style="text-align: center; vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 24px; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;" align="center"><img src="https://www.dayaotex.com/chtc/demand/img/fuck/1584605380119080423.png" title="1584605380119080423.png" alt="微信截图_20200319160921.png" style="margin: 0px; padding: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; font-size: 0px; line-height: inherit; color: transparent; font-family: inherit;" draggable="false"></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"><strong>　　2. 氨纶纤维主要性能</strong></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;">&nbsp; &nbsp; &nbsp; &nbsp;<strong>伸长、回弹性能好。</strong>通常有500％～700％以上的伸长，弹性回复性能好。在伸长200％时回缩97％，在伸长50％时回缩超过99％。</p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"><strong>&nbsp; &nbsp; &nbsp; &nbsp;不耐高温。</strong><span style="caret-color: red;">一般在95～150℃时短时问存放不会损伤纤维，超过则会损伤弹性。所以在印染过程中温度不能过高，否则会损伤弹性。</span></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 24px; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"><span style="caret-color: red;">&nbsp; &nbsp; &nbsp; &nbsp;</span><strong><span style="caret-color: red;">易染色。</span></strong><span style="caret-color: red;">染色性能优良，可染多种颜色，对染料亲和力强。</span></p><p style="vertical-align: inherit; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: 2em; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;;"><strong>&nbsp; &nbsp; &nbsp; &nbsp;耐酸碱性能好。</strong><span style="caret-color: red;">氨纶的易染色以及面料在穿着时的舒适性、蓬松感等优势决定了它在中国乃至世界纺织行业中占据着稳固的地位，而赋予纺织面料一定的弹性已然成为服用纺织品一种必然的发展趋势。</span></p></section></section>