EPOXY POLY(METHYL METHACRYLATE) INTERPENETRATING POLYMER NETWORKS MORPHOLOGY, MECHANICAL AND THERMAL-PROPERTIES

被引：22

作者：

DAS, B

CHAKRABORTY, D

HAJRA, AK

SINHA, S

机构：

[1] Department of Plastics & Rubber Technology, Calcutta University, Calcutta, 700009

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1994年 / 53卷 / 11期

关键词：

D O I：

10.1002/app.1994.070531111

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Full and semi-IPNs were prepared from epoxy and poly methyl methacrylate (PMMA), by the sequential mode of synthesis and were characterized by measurements of ultimate tensile strength (UTS), elongation at break, modulus, and toughness. Aromatic polyamine adducts and ethylene glycol dimethacrylate were used as the crosslinkers for epoxy and comonomer/crosslinker for methyl methacrylate monomer, respectively. Higher UTS and modulus of the semi-IPNs over full IPNs were attributed to the higher probability of interpenetration. The weight retention in the thermal decomposition of the IPNs and semi-IPNs were higher than the epoxy homopolymer. This enhancement was presumably related to the presence of the unzipped methyl methacrylate monomer which acted as radical scavangers in the epoxy degradation. (C) 1994 John Wiley & Sons, Inc.

引用

页码：1491 / 1496

页数：6

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