Synthesis and characterization of copolymer of   2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene and styrene with high   molecular weight

CORC > 北京大学 > 化学与分子工程学院

	Synthesis and characterization of copolymer of 2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene and styrene with high molecular weight
	Li, JL ; Fan, XH ; Zhao, YF ; Chen, XF ; Zhou, QF
刊名	高分子科学英文版
	2004
关键词	copolymer of MPCS and St liquid crystal tensile strength LIQUID-CRYSTAL POLYMER TRANSFER RADICAL POLYMERIZATION COIL DIBLOCK COPOLYMERS SEGMENTS POLYSTYRENE MESOGENS
英文摘要	The random copolymers of styrene and 2,5 -bis[(4-methoxyphenyloxycarbonyl)styrene] (MPCS) with different copolymerization ratio were synthesized by conventional free radical polymerization. The copolymer having high molecular weight was experimentally elucidated using a combination of proton nuclear magnetic resonance spectroscopy and gel permeation chromatography. The liquid crystalline behavior of the copolymer was studied using differential scanning calorimetry, X-ray diffractometry and polarized optical microscopy. It was found that the liquid crystalline behavior was dependent on the content of styrene. Experimental results show that the copolymer could turn into a liquid crystalline phase at about 180degreesC when the content of styrene was less than 20%. The mechanical properties of the copolymer were also studied. Preliminary results indicate that the tensile strength decreases while the tensile modulus increases as the content of MPCS is increased.; Polymer Science; SCI(E); 中国科学引文数据库(CSCD); 0; 3; 289-293; 22
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/400279]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Li, JL,Fan, XH,Zhao, YF,et al. Synthesis and characterization of copolymer of 2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene and styrene with high molecular weight[J]. 高分子科学英文版,2004.
APA	Li, JL,Fan, XH,Zhao, YF,Chen, XF,&Zhou, QF.(2004).Synthesis and characterization of copolymer of 2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene and styrene with high molecular weight.高分子科学英文版.
MLA	Li, JL,et al."Synthesis and characterization of copolymer of 2,5-bis[(4-methoxyphenyl)oxycarbonyl]styrene and styrene with high molecular weight".高分子科学英文版 (2004).