Study on Curing Reaction Mechanism of Epoxy Resin with Polyfuctional Active Ester

Acta Chimica Sinica ›› 2003, Vol. 61 ›› Issue (9): 1471-1477. Previous Articles Next Articles

Original Articles

活性酯固化邻甲酚环氧树脂反应机理的研究

田骏翔;李善君

复旦大学高分子科学系

发布日期:2003-09-15

Study on Curing Reaction Mechanism of Epoxy Resin with Polyfuctional Active Ester

Tian Junxiang;Li Shanjun

Key Laboratory of Molecular Engineering of Polymers of Education Ministry, Department of Macromolecular Science, Fudan University

Published:2003-09-15

Abstract

The curing reaction mechanism of o-cresol novolac epoxy resin using esterified phenol novolac resin as curing agent in the presence of 2- methylimidazole as accelerator was studied by model compound, cross reaction, Fouider transform infrared spectroscopy (FT-IR) , gas chromatography-mass spectrometry (GC-MS) and 'H NMR. The results show that this curing reaction is a first-order kinetic reaction for esterified phenol novolac resin and a zero-order kinetic reaction for o-cresol novolac epoxy resin. During the curing reaction, ester groups were intramolecularly transferred from the esterified phenol novolac resin to the o-cresol novolac epoxy resin.

Key words: o-cresol (2-methylphenol) novolac epoxy resin, ACCELERATORS, GLYOXALINE P, FT, IR, REACTION KINETICS, REACTION MECHANISM

CLC Number:

O631.3

Cite this article

Tian Junxiang;Li Shanjun. Study on Curing Reaction Mechanism of Epoxy Resin with Polyfuctional Active Ester[J]. Acta Chimica Sinica, 2003, 61(9): 1471-1477.

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活性酯固化邻甲酚环氧树脂反应机理的研究

Study on Curing Reaction Mechanism of Epoxy Resin with Polyfuctional Active Ester

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