Thermal degradation of epoxy resin grafted with polyurethane-Reference-Cited by-同舟云学术

Thermal degradation of epoxy resin grafted with polyurethane

Published:2014-01-01 Issue:1 Volume:21 Page:7-13
ISSN:2191-0359
Container-title:Science and Engineering of Composite Materials
language:
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Author:

Song Zhenjiang¹,Xie Jianliang²,Zhou Peiheng²,Peng Jianing²,Wang Xin²,Deng Longjiang²

Affiliation:

1. 2State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Microelectronics and Solid-State Electronics, No. 4, Section 2, North Jianshe Road, Chengdu, Sichuan 610054, People’s Republic of China

2. 1State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, People’s Republic of China

Abstract

AbstractEpoxy resin grafted with polyurethane was synthesized and characterized through a series of tests. The grafting reactive process between the pendant secondary hydroxyl groups on the side chains of epoxy resin and the isocyanate groups of pre-polyurethane were investigated by Fourier transform infrared spectroscopy. Thermal behavior of the grafted epoxy resin was investigated by thermogravimetric analysis within 40–500°C. The degradation of grafted epoxy resin involved two stages. Microstructures of the polyurethane section and grafted epoxy resin were observed by field emission scanning electron microscopy. Model fitting method was employed to calculate the thermal degradation model of grafted epoxy resin. In this paper, 15 typical kinetic mechanisms were introduced into the model fitting method, such as Coats-Redfern method and Achar-Brindley-Sharp-Wendworth method, to obtain the kinetic function of thermal degradation for grafted epoxy resin.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Ceramics and Composites

Link

https://www.degruyter.com/document/doi/10.1515/secm-2012-0170/pdf

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