使用反相气相色谱法表征合成纤维表面润湿性

摘要

以聚丙烯纤维、聚癸二酰己二胺纤维和聚对苯二甲酸乙二醇酯纤维为研究对象，使用反相气相色谱法，以含有不同碳数的正烷烃和蒸馏水为探针分子，分别测定了合成纤维的表面自由能色散分量和水分子的净保留体积，表征其表面润湿性并分析影响因素。结果表明，纤维化学结构单元是合成纤维表面润湿性的决定性因素：具有非极性基团的聚丙烯纤维亲油性较好，具有极性基团的聚癸二酰己二胺纤维亲水性较好；纱线的线体结构影响合成纤维受热时的膨胀程度，从而显著影响表面自由能色散分量随温度的变化趋势。

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	刘雨萌
	王日杰
	杨晓霞

关键词：反相气相色谱法表面润湿性合成纤维

Abstract：

The synthetic fibers characterized in this paper are polypropylene fiber, polyhexamethylene sebacamide fiber and polyethylene terephthalate fiber. Inverse gas chromatography was used with n-alkane and distilled water as probe molecules. The surface wettability of different fibers was determined by measuring the dispersive component of surface free energy and the net retention volume of water molecule. The factors of influence on the surface wettability were also discussed. The results show that the chemical structure unit of the synthetic fiber is the decisive factor for the surface wettability. The polypropylene fiber with nonpolar groups has good lipophilicity, while polyhexamethylene sebacamide fiber with polar groups has good hydrophilicity. The yarn structure affects the expansion level when fiber is heated, which has a great effect on temperature dependence of the dispersive component of surface free energy.

Keywords： inverse gas chromatography； surface wettability； synthetic fiber

Received 2015-03-17;

Corresponding Authors: 杨晓霞,E-mail:xxy@tju.edu.cn。 Email: xxy@tju.edu.cn

About author: 刘雨萌(1990-),女,硕士研究生,现从事使用反相气相色谱法表征合成纤维表面润湿性研究。

引用本文:

刘雨萌, 王日杰, 杨晓霞.使用反相气相色谱法表征合成纤维表面润湿性[J]. 化学工业与工程, 2017,34(4): 27-32

Liu Yumeng, Wang Rijie, Yang Xiaoxia.Surface Wettability Characterization of Synthetic Fibers by Inverse Gas Chromatography[J]. Chemcial Industry and Engineering, 2017,34(4): 27-32

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