聚对羟基苯甲酸侧链液晶高分子的合成与表征  

Synthesis and Characterization of Side-chain Liquid Polymer Based on Poly(p-hydroxy benzoic acid)

作　　者：周艳[1] 贾德民[1] 童身毅[2] 

机构地区：[1]华南理工大学材料学院,广州510640 [2]武汉化工学院化工系,武汉430073

出　　处：《塑料工业》2002年第4期10-12,共3页China Plastics Industry

摘　　要：合成了对羟基苯甲酸二聚体、四聚体 ,并分别接枝到苯乙烯 -马来酸酐无规共聚物 (SMA)上 ,得到侧链长度均匀的液晶高分子 ;同时在N ,N′ 二环己基碳二亚胺催化下采用溶液缩聚法制备了SMA接枝聚对羟基苯甲酸侧链液晶高分子。用FT IR、DSC、偏光显微镜等方法表征了产物的结构和性质 。s Dimer and tetramer of p hydroxy benzoic acid(HBA) were synthesized and grafted to styrene maleic anhydride random copolymer(SMA) to produce liquid crystalline polymers,which had even side chain length The liquid crystalline polymers of SMA grafted by HBA (SMA g PHBA)were synthesized by means of condensation polymeriztion in solvent catalyzed by N,N  dicyclohexylcarbodiimide The structure and property of the copolymer were characterized by FT IR,DSC and polarizing microscope. The effect of the side chain of the copolymer on the morphological structure and thermal properties of the polymer were systematically investigated

关 键 词：聚对羟基苯甲酸 侧链 液晶高分子 合成 表征 苯乙烯-马来酸酐无规共聚物 

分 类 号：O753[理学—晶体学]