FACTORS WHICH INFLUENCE THE HIGH-TEMPERATURE ADHESIVE CHARACTERISTICS OF LIQUID-CRYSTALLINE COPOLYESTERS

被引：15

作者：

ECONOMY, J ^{[1
]}

ANDREOPOULOS, AG ^{[1
]}

机构：

[1] NATL TECH UNIV ATHENS,DEPT CHEM ENGN,GR-15780 ZOGRAFOS,GREECE

来源：

JOURNAL OF ADHESION | 1993年 / 40卷 / 2-4期

关键词：

HIGH TEMPERATURE ADHESIVES; LIQUID CRYSTALLINE COPOLYESTERS; INTERCHAIN TRANSESTERIFICATION; CHEMICALLY INDUCED ORDERING; GLASS TRANSITION TEMPERATURE; ANNEALING; PROCESSABILITY; LAP SHEAR STRENGTH; OLIGOMER;

D O I：

10.1080/00218469308031278

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Liquid crystalline copolyesters of p-hydroxybenzoic acid and 6-hydroxy-2-naphthoic acid, with compositions 20/80 and 24/76, were studied in order to evaluate the effect of higher melting HBA/HNA copolyesters on the high temperature adhesive properties compared with data for the recently reported 73/27 system. A tetramer of HBA/HNA with a composition of 24/76 was synthesized to examine the effect on adhesion of wetting of the substrate at much lower temperatures. From the results of this study it is now possible to define approaches for achieving very good adhesion characteristics at temperatures well in excess of 250-degrees-C.

引用

页码：115 / 125

页数：11

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