Surface Wettability Characterization of Synthetic Fibers by Inverse Gas Chromatography

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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.

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	Articles by authors
	Liu Yumeng
	Wang Rijie
	Yang Xiaoxia

Keywords： inverse gas chromatography； surface wettability； synthetic fiber

Received 2015-03-17;

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Liu Yumeng, Wang Rijie, Yang Xiaoxia.Surface Wettability Characterization of Synthetic Fibers by Inverse Gas Chromatography[J] Chemcial Industry and Engineering, 2017,V34(4): 27-32

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