文献类型：期刊文献

中文题名：聚酰亚胺织物的羧基化表面改性

英文题名：Surface modification of polyimide fabric by carboxylation

作者：刘艳春[1,2];白刚[1,2];钱红飞[1,2]

机构：[1]绍兴文理学院纺织服装学院;[2]浙江省清洁染整技术研究重点实验室

年份：2018

卷号：39

期号：3

起止页码：103

中文期刊名：纺织学报

外文期刊名：Journal of Textile Research

收录：CSTPCD、、EI(收录号：20183605772069)、CSCD_E2017_2018、北大核心2017、Scopus、北大核心、CSCD

基金：国家自然科学基金项目(21376149)

语种：中文

中文关键词：聚酰亚胺;羧基化;表面改性;染色性能

外文关键词：polyimide ; carboxylation ; surface modification ; dyeing property

中文摘要：为提高聚酰亚胺织物的服用性能,采用碱剂对聚酰亚胺织物表面进行羧基化改性处理。借助X射线光电子能谱、红外光谱、热重、热阻、湿阻等测试手段研究了碱处理后聚酰亚胺织物的性能,并探讨了阳离子染料对其的染色性能。结果表明:碱处理可对聚酰亚胺纤维进行有效的改性;碱处理在聚酰亚胺纤维表面引入大量氧元素,纤维分子中引入了羧基和酰胺酸;改性后聚酰亚胺织物热稳定性保持良好;碱处理后聚酰亚胺织物热阻、湿阻略有下降,极限氧指数可达到37%,阻燃性能优异;聚酰亚胺纤维羧基化改性增加了阳离子染料的亲和力,平衡上染百分率显著提高,染色吸附等温线符合Langmuir吸附模型。

外文摘要：Polyimide fabric was carboxylated with alkali to improve the wearability. The properties of the alkali-treated polyimide fabric were studied by X-ray photoelectron spectroscopy（ XPS）, Fourier transform infrared spectrometry（ FT-IR）,thermogravimetric analysis,thermal resistance and watervapour resistance test and the affinity of cationic dyes. The results show that polyimide fiber can be modified effectively by alkali treatment. XPS analysis shows that a large quantity of oxygen elements are introduced to the fiber surface after alkali treatment. FT-IR analysis indicates that carboxyl groups and amide acid are introduced onto the modified fiber surface. Thermal gravity analysis shows that the thermal stability of modified polyimide fabric maintains good. Thermal resistance and water-vapor resistance of polyimide fabric decreases slightly after alkali treatment. The limiting oxygen index of the treated fabric is37%,exhibiting the excellent flame retardancy. The carboxylation modification of polyimide fabric improves the affinity of cationic dyes,resulting in improvement of equilibrium exhaustion. The adsorption isotherm of cationic dye on carboxylated polyimide fabric presents the Langmuir adsorption model.