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壳聚糖与丁烷四羧酸对棉织物的抗菌/防皱复合整理 被引量:9

Anti-wrinkle and antibacterial composite finishing of cotton fabric with chistosan and butanetetracarboxylic acid
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摘要 采用过氧化氢/醋酸体系降解壳聚糖,得到相对分子质量为3.8×10^(-5),2×10^(-5),1.44×10^(-5),7.2×10^(-4),3.2×10^(-4),1.1×10^(-4),4×10^(-3)的降解壳聚糖,将其分别以不同质量浓度与丁烷四羧酸(BTCA)复配对棉织物进行整理,测试整理后织物的折皱回复角、撕破强力、白度以及对金黄色葡萄球菌的抑菌率,讨论壳聚糖相对分子质量及质量浓度对整理织物抗菌/防皱性能的影响。研究表明:通过一浴一步法,采用相对分子质量为2×10^5的壳聚糖,以1.0 g/L的质量浓度与BTCA复配整理棉织物,织物的防皱、抗菌性均佳,此时织物的折皱回复角为264.3°,强力保留率为经向77.3%、纬向63.5%,白度为68.3%,抑菌率为68.7%;再加入10.0 g/L的抗菌剂AGP,织物的抑菌率可提高至98.5%,折皱回复角为263.0°,强力保留率经向为83.5%,纬向为76.4%,白度为69.1%。 H_2O_2 and CH_3COOH were used to degrade chitosan( CTS),and several CTS samples with different molecular weights were obtained,including 3. 8 × 10^(-5),2 × 10^(-5),1. 44 × 10^(-5),7. 2 × 10^(-5),3. 2 × 10^4,1. 1 × 10^(-4),and 4 × 10^(-3). These CTS samples were separately used to treat cotton fabric together with butanetetracarboxylic acid( BTCA). Wrinkle recovery angle( WRA),tearing strength rate( TSR),whiteness index( WI) and antibacterial rate of S. aureus of the composite finished fabrics were tested. Effect of CTS molecular weight and concentration on the anti-wrinkle and antibacterial properties were discussed. The results show that the WRA of cotton fabric is 264. 0°,warp TSR is 77.3%,weft TSR is 63. 5%,WI is 68. 3% and antibacterial rate of Saureus is 68. 7%,which treated with CTS( molecular weight 200 000,10 g / L) and BTCA by one-bath process. When 10. 0 g / L antibacterial agent AGP was used together with CTS and BTCA,the antibacterial rate of finished cotton fabric is 98.5%,WRA is 263. 0°,warp TSR is 83. 5%,weft TSR is 76. 4%,and WI is 69. 1%.
出处 《纺织学报》 EI CAS CSCD 北大核心 2016年第6期95-100,共6页 Journal of Textile Research
基金 "十二五"国家科技支撑计划资助项目(2012BAE11G00)
关键词 壳聚糖 棉织物 防皱 抗菌 chitosan cotton fabric durable press antibacterial
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