MEASUREMENT OF THE INTERFACIAL-TENSION BETWEEN POLYETHERSULFONE AND A THERMOTROPIC LIQUID-CRYSTALLINE COPOLYESTER

被引：32
|
作者：
JAMES, SG
DONALD, AM
MILES, IS
MALLAGH, L
MACDONALD, WA
机构：
[1] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND
[2] ICI PLC,WILTON MAT RES CTR,MIDDLESBROUGH TS6 8JE,CLEVELAND,ENGLAND
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 1993年 / 31卷 / 02期
关键词：
INTERFACIAL TENSION; THERMOTROPIC; COPOLYESTER; POLYETHER SULFONE;
D O I：
10.1002/polb.1993.090310211
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Due to the increasing interest in forming blends of liquid-crystalline polymers with conventional thermoplastics, it becomes important to determine the interfacial tension between two such polymers. A method for evaluating the interfacial tension between a thermotropic copolyester based on hydroxybenzoic and hydroxynaphthoic acid residues, and polyethersulfone is presented, based on the Fort and Patterson method. It is found that the value of the interfacial tension in the melt is much higher than is the case between conventional polymer pairs. It is suggested that this high value reflects an entropic effect due to the strong exclusion of the flexible coil polymer from the nematic melt.
引用
收藏
页码：221 / 227
页数：7
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