Synthesis, curing kinetics and properties of vanilla alcohol-based epoxy resin

被引：0

作者：

Tian Y. ^{[1
,2
]}

Hu Y. ^{[3
]}

Li J. ^{[2
]}

Ren J. ^{[2
]}

Wang L. ^{[2
]}

Wang X. ^{[2
]}

Ding Y. ^{[2
]}

Cheng J. ^{[1
]}

Zhang J. ^{[1
]}

机构：

[1] Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing

[2] Beijing Institute of Control Engineering, Beijing

[3] State Grid Hunan Electric Power Corporation Research Institute, Hunan, Changsha

来源：

Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷

关键词：

epoxy resin; mechanical properties; micromorphology structure; non-isothermal curing kinetics; vanilla alcohol;

D O I：

10.16085/j.issn.1000-6613.2022-0612

中图分类号：

学科分类号：

摘要：

A bio-based epoxy resin (DGEVA) was synthesized from renewable vanilla alcohol. A novel bio-based epoxy resin system (DGEVA/MeHHPA) was prepared by using methyl hexahydrophthalic anhydride (MeHHPA) as the curing agent. The non-isothermal curing kinetics, thermal properties, thermomechanical properties, mechanical properties and microstructure of DGEVA/MeHHPA were systematically studied, and were compared with the petroleum-based epoxy resin system (DGEBA/ MeHHPA) composed of commercial petroleum-based bisphenol-A epoxy resin. The results showed that DGEVA/MeHHPA and DGEBA/MeHHPA had similar curing activity. DGEVA/MeHHPA has better comprehensive performance comparable to DGEBA/MeHHPA. Specifically, the glass transition temperature of DGEVA/MeHHPA was 82.2℃ . The tensile strength and tensile modulus of DGEVA/ MeHHPA were (66.7±6)MPa and (2.8±0.1)GPa, respectively. The Td5%, Td10% and Tdmax of DGEVA/ MeHHPA were 242.4℃, 284.9℃ and 392.4℃, respectively. In addition, DGEVA/ MeHHPA exhibited plastic deformation during deformation and absorbed more fracture energy. The excellent comprehensive performance of DGEBA/MeHHPA lay in the unique molecular structure of DGEVA, which had great application potential in the practical application of DGEVA. © 2022 Chemical Industry Press. All rights reserved.

引用

页码：477 / 484

页数：7

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