Miscibility of Semi-flexible Thermotropic Liquid Crystalline Copolyesteramide with Polyamide 66

查看全文 作　　者：XIE Xiao-Lin, TJONG S. C. and LI R. K. Y. (Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074;Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong P. R. China)

出　　处：《Chemical Research in Chinese Universities》索引2000年第16卷第4期,共7页

基　　金：Supported by the National Natural Science Foundation of China. 摘　　要：Liquid crystalline polymer-polyamide 66 (LCP/PA66) blends were compounded by using a Brabender mixing followed by compression moulding. The LCP employed was a semi-flexible liquid crystalline copolyesteramide based on 30% (molar fraction ) of p-amino benzoic acid (ABA ) and 70% (molar fraction) of poly (ethylene terephthalate) (PET). The LCP/PA66 blends were investigated in terms of the thermal and dynamic mechanical properties. It was found that PA66 and LCP components of the blends are miscible in the molten state, but are partially miscible in the solid state. The inclusion of the semi-flexible LCP into PA66 retards the crystallization rate of PA66. Furthermore, the melting temperature and the degree of crystallinity of PA66 are reduced considerably due to the LCP addition. 关键词：POLYAMIDE 66 Semi-flexible copolyesteramide MISCIBILITY

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Miscibility of Semi-flexible Thermotropic Liquid Crystalline Copolyesteramide with Polyamide 66

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