CN105350313B - 氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法 - Google Patents

氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法 Download PDF

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CN105350313B
CN105350313B CN201510983855.5A CN201510983855A CN105350313B CN 105350313 B CN105350313 B CN 105350313B CN 201510983855 A CN201510983855 A CN 201510983855A CN 105350313 B CN105350313 B CN 105350313B
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CN105350313A (zh
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卢明
胡睿敏
刘萍
刘一萍
樊涛
李兰倩
赵振云
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Abstract

本发明提供了氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法，该方法包括如下步骤：（1）将含有7%（w/w）氢氧化钠和18%（w/w）尿素的水溶液剧烈搅拌，然后冷却至‑10ºC，得到纤维素溶解液；（2）将苎麻织物在步骤（1）所得的溶解液中浸渍30min；（3）取出苎麻织物，放入含有2%（w/w）硫酸和5%（w/w）硫酸钠的水溶液中凝固10min，然后水洗、烘干。该整理方法简单易行，成本低廉，整理后的苎麻织物具有良好的抗刺痒感，同时也保留了苎麻织物原有的优良特性。

Description

氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法
技术领域
本发明属于纺织品染整技术领域，尤其是氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法。
背景技术
苎麻是我国特有的纤维原料，又被称为“中国草”，拥有悠久灿烂的历史。苎麻纤维是一种天然纤维素纤维，透气性好，吸湿放湿性好，穿着具有凉爽感，特别适合作为夏装面料。脱胶后的苎麻纤维具有丝一般的光泽，其织物具有挺括、凉爽、透气、轻盈、抗菌、保健等优点，因此苎麻织物越来越受到消费者的青睐。
但是，苎麻纤维刚度大、硬而挺，纺纱过程中纤维抱合力差，纱线结构松散，毛羽较多，所成织物穿着时会产生刺痒感。苎麻织物的这种令人不适的刺痒感极大的限制了苎麻织物在服用领域的开发利用。
目前，消除苎麻织物刺痒感的主要方法是纤维素酶整理和树脂覆盖整理。苎麻纤维素酶可以使苎麻纤维表面微纤溶解弱化，由表及里逐层剥离，有利于降低纤维刚度，改善手感和消除刺痒感，但是，通常也容易使织物的强力降低。树脂覆盖整理是将聚氨酯等高聚物覆盖在苎麻纤维表面，使纤维表面的微纤不能接触人体皮肤，从而消除刺痒感，但是该方法也使织物丧失了苎麻纤维的优良特性和亲肤感。
发明内容
本发明所要解决的技术问题是，针对以上现有技术存在的缺点，提出氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法，该整理方法从苎麻织物刺痒感产生的机理出发，采用氢氧化钠/尿素水体系作为纤维素溶剂，对苎麻纤维表面进行微溶解，使产生刺痒感的微纤在苎麻纤维表面形成纤维素浓溶液，再通过凝固浴重新在苎麻纤维表面形成再生纤维素薄膜。该整理方法简单易行，成本低廉，整理后的苎麻织物具有良好的抗刺痒感，同时也保留了苎麻织物原有的优良特性。
本发明所述的氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法，通过下列步骤实现：（1）将含有7%（w/w）氢氧化钠和18%（w/w）尿素的水溶液剧烈搅拌，然后冷却至-10ºC，得到纤维素溶解液；（2）将苎麻织物在步骤（1）所得的溶解液中浸渍30min；（3）取出苎麻织物，放入含有2%（w/w）硫酸和5%（w/w）硫酸钠的水溶液中凝固10min，然后水洗、烘干。
本发明的有益效果在于，（1）天然苎麻纤维分子量较大，一般大于1000000，并且氢氧化钠/尿素水溶液对苎麻织物进行浸渍处理，接触时间较短，因此只能对苎麻纤维表面的部分纤维素和微纤进行溶解，实现抗刺痒感效果，同时不会损伤苎麻纤维内部，不会造成纤维及织物物理机械性能的降低；（2）在苎麻织物表面部分溶解的纤维素形成纤维素浓溶液在硫酸/硫酸钠水溶液中重新凝固形成再生纤维素薄膜，起到覆盖苎麻纤维表面的作用，进一步提高抗刺痒感整理效果，同时不会改变苎麻纤维表面性能。
具体实施方式
下文将结合具体实施例详细描述本发明。应当注意的是，下述实施例中描述的技术特征或者技术特征的组合不应当被认为是孤立的，它们可以被相互组合从而达到更好的技术效果。
实施例1
（1）将含有7%（w/w）氢氧化钠和18%（w/w）尿素的水溶液剧烈搅拌，然后冷却至-10ºC，得到纤维素溶解液；
（2）将2g苎麻织物在步骤（1）所得的100mL溶解液中浸渍30min；
（3）取出苎麻织物，放入含有2%（w/w）硫酸和5%（w/w）硫酸钠的50mL水溶液中凝固10min，然后水洗、烘干。
实施例2
（1）将含有7%（w/w）氢氧化钠和18%（w/w）尿素的水溶液剧烈搅拌，然后冷却至-10ºC，得到纤维素溶解液；
（2）将10g苎麻织物在步骤（1）所得的100mL溶解液中浸渍30min；
（3）取出苎麻织物，放入含有2%（w/w）硫酸和5%（w/w）硫酸钠的100mL水溶液中凝固10min，然后水洗、烘干。
实施例3
（1）将含有7%（w/w）氢氧化钠和18%（w/w）尿素的水溶液剧烈搅拌，然后冷却至-10ºC，得到纤维素溶解液；
（2）将5g苎麻织物在步骤（1）所得的50mL溶解液中浸渍30min；
（3）取出苎麻织物，放入含有2%（w/w）硫酸和5%（w/w）硫酸钠的50mL水溶液中凝固10min，然后水洗、烘干。
本文虽然已经给出了本发明的一些实施例，但是本领域的技术人员应当理解，在不脱离本发明精神的情况下，可以对本文的实施例进行改变。上述实施例只是示例性的，不应以本文的实施例作为本发明权利范围的限定。

Claims (1)

1.氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法，其特征在于，包括如下步骤：
（1）将含有7%（w/w）氢氧化钠和18%（w/w）尿素的水溶液剧烈搅拌，然后冷却至-10ºC，得到纤维素溶解液；
（2）将苎麻织物在步骤（1）所得的溶解液中浸渍30min；
（3）取出苎麻织物，放入含有2%（w/w）硫酸和5%（w/w）硫酸钠的水溶液中凝固10min，然后水洗、烘干。
CN201510983855.5A 2015-12-24 2015-12-24 氢氧化钠/尿素水体系对苎麻织物的抗刺痒感整理方法 Expired - Fee Related CN105350313B (zh)

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CN114351471B (zh) * 2022-01-11 2024-01-19 浙江赛蝶针织有限公司 一种无刺痒感的亲肤内衣及其制备方法

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