A novel imidazole derivative curing agent for epoxy resin: Synthesis, characterization, and cure kinetic

被引：28

作者：

Fang, Wang ^{[1
]}

Jun, Xiao ^{[1
]}

Jing-Wen, Wang ^{[1
]}

Shu-Qin, Li ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2008年 / 107卷 / 01期

关键词：

resin; synthesis; DSC; curing kinetics; FUR;

D O I：

10.1002/app.27053

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel imidazole derivative (named as EMI-g-BGE) was synthesized through the reaction of 2-ethyl-4-methyl imidazole (EMI) and butyl glycidyl ether (BGE) and characterized by elemental analysis, FTIR spectroscopy, and H-1 NMR spectroscopy. The curing kinetic of diglycidyl ether of bisphenol A (DGEBA) epoxy resin with EMI-g-BGE as curing agent was studied by nonisothermal DSC technique at different heating rates. Dynamic DSC scans indicated that EMI-g-BGE was an effective curing agent of epoxy resin. The apparent activation energy E, was 71.8 kJ mol(-1) calculated through Kissinger method, and the kinetic parameters were determined by Malek method for the kinetic analysis of the thermal treatment obtained by DSC measurement. A two-parameter (m, n) autocatalytic model (Sestak-Berggren equation) was found to be the most adequate selected kinetic model. In addition, the predicted curves from the kinetic model fit well with the nonisothermal DSC thermogram. (C) 2007 Wiley Periodicals, Inc.

引用

页码：223 / 227

页数：5

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