Citric Acid Used as a Crosslinking Agent for the Grafting of Chitosan onto Woolen Fabric

被引：43
作者：
Gawish, S. M. [1 ]
El-Ola, S. M. Abo [1 ]
Ramadan, A. M. [1 ]
Abou El-Kheir, A. A. [1 ]
机构：
[1] Natl Res Ctr, Text Res Div, Cairo, Egypt
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2012年 / 123卷 / 06期
关键词：
biofibers; crosslinking; curing of polymers; esterification; mechanical properties; SHRINK-RESISTANCE;
D O I：
10.1002/app.33873
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Modification of woolen fabrics was done by the grafting of low-molecular-weight deacetylated chitosan in the presence of citric acid as a crosslinking agent with the pad-dry cure method at different conditions (times and temperatures). The add-on of chitosan and the optimum conditions were determined. The improved properties of modified wool by chitosan were evaluated with the urea bisulfite solubility test, crease recovery angle, yellowness index, and scanning electron microscopy. The dyeing properties of modified wool fabrics were studied with acid and reactive dyes. The biocidal activities of the modified and unmodified wool samples were evaluated and compared against some species of microorganisms, including Escherichia coli (Gram negative), Staphylococcus aureus (Gram positive), Candida albicans, and Aspergillus flavus. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 123: 3345-3353, 2012
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页码：3345 / 3353
页数：9
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