BLENDS OF POLY(METHYL METHACRYLATE) WITH EPOXY-RESIN AND AN ALIPHATIC AMINE HARDENER

被引：97

作者：

GOMEZ, CM ^{[1
]}

BUCKNALL, CB ^{[1
]}

机构：

[1] CRANFIELD INST TECHNOL,CRANFIELD MK43 0AL,BEDS,ENGLAND

来源：

POLYMER | 1993年 / 34卷 / 10期

关键词：

POLY(METHYL METHACRYLATE); EPOXY RESINS; MISCIBILITY; STOICHIOMETRY; BLENDS; MORPHOLOGY;

D O I：

10.1016/0032-3861(93)90737-U

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Miscibility, phase separation and curing behaviour have been studied in blends of poly (methyl methacrylate) (PMMA) with diglycidyl ether of bisphenol A (DGEBA) resin and 4,4'-diamino-3,3'-dimethyldicyclohexyl-methane (3DCM) hardener. Quasi-binary mixtures of PMMA with the resin monomer show complete miscibility over the whole composition range, at all temperatures studied (-25 to 200-degrees-C). However, PMMA is much less miscible with the hardener, and cast films show two T(g) values. Several techniques have been used to monitor phase separation and curing characteristics in PMMA blends, including viscometry, size exclusion chromatography, turbidity and optical microscopy. The morphologies and the thermal and dynamic mechanical properties of the cured blends, including non-stoichiometric compositions, are related to these observations.

引用

页码：2111 / 2117

页数：7

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