季铵化改性壳聚糖在羊毛织物酸性染料染色中的应用  

Application of quaternization modified chitosan in dyeing of wool fabric with acid dye

作　　者：车秋凌 辛梅华[1,2] 李明春[1,2] 陈帅 CHE Qiuling;XIN Meihua;LI Mingchun;CHEN Shuai(College of Material Science and Engineering,Huaqiao University,Xiamen,Fujian 362021,China;Engineering Research Center of Environment Friendly Functional Materials, Ministry of Education,Huaqiao University,Xiamen,Fujian 362021,China)

机构地区：[1]华侨大学材料科学与工程学院,福建厦门362021 [2]华侨大学环境友好功能材料教育部工程中心,福建厦门362021

出　　处：《纺织学报》2018年第10期86-92,共7页Journal of Textile Research

基　　金：福建省自然科学基金项目(2016J01234);福建省海洋高新产业发展专项项目(闽海洋高新[2015]22号)

摘　　要：为改善中性条件下羊毛酸性染料染色效果,以3种不同分子量(1万、5万、10万)的壳聚糖(CS)为原料,采用甲醛甲酸法合成N,N,N-三甲基壳聚糖(TMC),再在其—OH上引入三聚氯氰,合成O-一氯均三嗪-TMC(MCT-TMC),并借助红外光谱进行表征。将产物应用于羊毛织物的酸性染料染色中,讨论了壳聚糖分子量及衍生物用量对羊毛织物酸性染料染色的影响。结果表明,MCT-TMC的染色增深效果明显优于TMC,随着壳聚糖分子量的增加,壳聚糖衍生物整理的织物上染率、固色率、K/S值、色牢度和抑菌率均有提高,而对强力影响不大。使用分子量为10万的壳聚糖制得的MCT-TMC,其用量为2%(o.w.f)时,改性羊毛织物的染色性能最佳,上染率为95.5%,固色率为91.7%,K/S值为12.2,对大肠杆菌的抑菌率为82.4%,对金黄色葡萄球菌的抑菌率为84.2%。In order to improve the dyeing effect of wool fabric using acid dye under neutral condition,chitosan(CS)of three different molecular weights(100 000,50 000 and 10 000)was used to synthesize N,N,N-trimethyl chitosan(TMC)by formaldehyde-formic acid method.Then it was reacted with cyanuric chloride to prepare the final product O-monochlorotrazinyl-N,N,N-trimethyl chitosan(MCT-TMC).FT-IR was used to characterize the products.The dyeing effects of wool fabric by acid dye were discussed by changing the molecular weight and consumption of the chitosan derivatives.The results show that the dye effect of wool fabric treated by MCT-TMC are far better than that by TMC.The molecular weight of chitosan derivatives is positively related to the dyeing rate,fixation rate,K/S value,color fastness and antimicrobial activity of wool fabrics,but it has little effect on the fabric strength.When the raw material molecular weight of MCT-TMC is 100 000 and its consumption is 2%(o.w.f),the modified wool fabric has optimum performance.The dyeing rate is 95.5%,the fixation rate is 91.7%,the K/S value is 12.2,and the inhibition rates against E.coli and S.aureus are 82.4%and 84.2%,respectively.

关 键 词：壳聚糖 季铵盐 羊毛 酸性染料 增染 

分 类 号：TS193.5[轻工技术与工程—纺织化学与染整工程] O636.1[轻工技术与工程—纺织科学与工程]