液氨、蛋白酶和聚氨酯纳米乳液对提高羊毛抗缩性的协同作用

IF 0.6 4区 工程技术 Q4 MATERIALS SCIENCE, TEXTILES AATCC Journal of Research Pub Date : 2023-01-20 DOI:10.1177/24723444221147978
Xianqin Shang, Qiang Wang, Zhe Jiang, Haitao Ma
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引用次数: 0

摘要

为了提高羊毛的抗收缩性能,达到可机洗的效果,研究了水溶性聚氨酯聚合物对经液氨和蛋白酶改性的精纺羊毛织物的影响。采用连续液氨整理机对精纺毛织物进行预处理,然后进行蛋白酶处理,最后进行聚氨酯纳米乳液涂层。结果表明,液氨和蛋白酶处理后,羊毛表面鳞片受到严重破坏,甚至部分剥落,羊毛的二硫键含量降低,羊毛的活性基团含量增加。此外,聚氨酯整理后,表面鳞片和鳞片之间的空隙被一层薄膜覆盖,当聚氨酯浓度为20 g/L时,面积收缩率达到3.1%,有效提高了精纺毛织物的抗收缩性能。据我们所知,这是一篇关于液氨、蛋白酶、聚氨酯对羊毛纤维抗缩性协同作用的系统报道,为羊毛织物抗缩性整理的商业应用提供了一种新的方法。
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Synergetic Effects of Liquid Ammonia, Protease, and Polyurethane Nano-Emulsion on Improving Shrink Resistance of Wool
In order to enhance the shrink-resistant properties of wool to achieve a machine washable effect, the effect of water-soluble polyurethane polymer on a worsted wool fabric which was modified by liquid ammonia and protease was investigated. The worsted wool fabric was pretreated by a continuous liquid ammonia finishing machine and then treated by protease, followed by polyurethane nano-emulsion coating. The results showed that, after liquid ammonia and protease treatment, the surface scales of wool were seriously damaged, even partly peeling off, and the disulfide bond content of the wool decreased while the active group content of the wool increased. Furthermore, after polyurethane finishing, the surface scale and the gap between the scales were covered with a thin film, and the area shrinkage reached 3.1% when the concentration of polyurethane was 20 g/L, showing an effective improvement in the shrink resistance of the worsted fabric. As far as our knowledge goes, this is a systematic report on the synergistic effect of liquid ammonia, protease, and polyurethane on the shrink resistance of wool fiber, and provides a new method for the commercial application of shrink-resistant finishing of wool fabric.
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来源期刊
AATCC Journal of Research
AATCC Journal of Research MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
0.00%
发文量
34
期刊介绍: AATCC Journal of Research. This textile research journal has a broad scope: from advanced materials, fibers, and textile and polymer chemistry, to color science, apparel design, and sustainability. Now indexed by Science Citation Index Extended (SCIE) and discoverable in the Clarivate Analytics Web of Science Core Collection! The Journal’s impact factor is available in Journal Citation Reports.
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