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ABSTRACT
Nylon fiber with identical structure with PA6 was firstly applied as reinforcing filler, and MC PA6/nylon fiber composites were in situ synthesized by introducing polyethylene glycol (PEG). Thus interfacial interaction, uniformity, and dispersion of composite were improved without settling of fibers in caprolactam during polymerization. Effect of nylon fiber content on polymerization kinetics was studied, and crystallization behavior and mechanical properties of composites were investigated, while nylon fiber-PEG showed reinforcing and toughening effect on matrix. Under stress, nylon fiber with skin-core structure was pulled out without interfacial debonding, resulting in ductile fracture with large deformation on fractured surface of composite.
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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
The authors declare the following financial interests/personal relationships which may be considered as potential competing interests.
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Xiaotong Yin
Xiaotong Yin is currently a master degree candidate at Sichuan University. Her research work mainly focused on the preparation of monomer casting nylon-6 with high performances.
Xiaowen Zhao
Xiaowen Zhao is an associate professor of Sichuan University. She is mainly engaged in the synthesis, preparation, processing and structural characterization of polymer-based blends or composites.
Lin Ye
Lin Ye is a professor of Sichuan University. She is mainly engaged in the research and development of engineering plastics, water-based and environment-friendly polymer materials.