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2022-06-09 08:56:12
<section data-role="outer" class="article135" label="edit by 135editor"><section style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";" class=""><strong> 1、织物的缩水率</strong></section><p style="margin-bottom: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";"> 织物的缩水率是指织物在洗涤或浸水后,织物收缩的百分数。一般来说,缩水率最大织物是合成纤维及其混纺织品,其次是毛织品、麻织品,棉织品居中,缩水较大,而最大的是粘胶纤维、人造棉、人造毛类织品。</p><p style="margin-bottom: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";"><br></p><section style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";" class=""> <strong>2、织品产生缩水的因素</strong></section><section style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";" class=""> ① 织物的原材料不同,缩水率不同。一般来说,吸湿性大的纤维,浸水后纤维膨胀,直径增大,长度缩短,缩水率就大。如有的粘胶纤维吸水率高达13%,而合成纤维织物吸湿性差,其缩水率就小。</section><section style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";"> ② 织物的密度不同,缩水率也不同。如经纬向密度相近,其经纬向缩水率也接近。经密度大的织品,经向缩水就大,反之,纬密大于经密的织品,纬向缩水也就大。</section><section style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";"> ③ 织物纱支粗细不同,缩水率也不同。纱支粗的布缩水率就大,纱支细的织物缩水率就小。</section><section style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(47, 45, 45); font-family: Arial, 微软雅黑, "Microsoft yahei";"> ④ 织物生产工艺不同,缩水率也不同。一般来说,织物在织造和染整过程中,纤维要拉伸多次,加工时间长,施加张力较大的织物缩水率就大,反之就小。</section><section class="_135editor" data-role="paragraph"><p><br></p></section></section>