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Influence of Solvent Content on Properties of UHMWPA6 Fibers Prepared by Gel-Spinning Method
Abstract:
Polyamide 6 (PA6) gels were prepared by dissolving PA6 powder with relative viscosity 25.85 in formic acid using CaCl2 as complex agent. Concentration of the polymer was 18 (w/v) %. And then, polyamide 6 (PA6) fibers were obtained through gel-spinning. In this study, the effects of solvent content on fiber structure and properties were investigated. The results showed that with the increasing of solvent content, significant changes occurred in the crystalline structure and thermal property of fibers. The optimum solvent content of fibers with the highest mechanical property in this study was 9.4%.
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1264-1268
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June 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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