Abstract：The Kevlar fiber, treated with toluene-2,4-diisocyanate and caprolactam, was used to reinforce MC nylon 6. XPS showed the change in chemical components and spectra after fiber was treated. IR showed that the spectra of Kevlar fiber and MC-nylon 6 were incorporated purely when they were mixed, while the treated Kevlar fiber provided the activation in the ring-opening polymerization of caprolactam, and the amide groups of graft chains could form strong hydrogen bonds with matrix. These graft chains and hydrogen bonds would contribute to improving interfacial bonding between MC-nylon 6 and Kevlar fiber. XRD indicated that the induction of Kevlar fiber had no effect on the cryastalline style of MC-nylon 6 obviously, however, the crystals had better seasonal structure. The crystals of MC-nylon 6/Kevlar fiber composites were more perfect than that of MC-nylon 6/Kevlar untreated fiber composites with the same amount of Kevlar fiber. The increase of Kevlar fiber contributed to forming perfect α spherulite when the mass concentration of Kevlar fiber was less than 2%, however, the more the Kevlar fiber, the less the content of α spherulite when the mass concentration of Kevlar fiber was more than 2%.
王灿耀, 郑玉婴*. 光谱法研究MC尼龙6/芳纶复合材料的结构[J]. 光谱学与光谱分析, 2008, 28(01): 94-97.
WANG Can-yao,ZHENG Yu-ying*. Research on Structure of MC-Nylon 6/Aramid Composites by Spectroanalysis Method. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(01): 94-97.
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