Development of Novel Bio-Based Soybean Oil Epoxy Resins as a Function of Hardener Stoichiometry

被引：50

作者：

Gupta, A. P. ^{[1
]}

Ahmad, Sharif ^{[2
]}

Dev, Anshu ^{[1
]}

机构：

[1] Univ Delhi, Delhi Coll Engn, Dept Appl Chem & Polymer Technol, Delhi 110042, India

[2] Jamia Millia Islamia, Dept Chem, Mat Res Lab, New Delhi 110025, India

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2010年 / 49卷 / 07期

关键词：

Bio-based epoxy; Cross-link density; Dynamic mechanical properties; Epoxidized soybean oil; Epoxy resins; DIVINYLBENZENE THERMOSETTING COPOLYMERS; RENEWABLE RESOURCES; ANHYDRIDE SYSTEM; CURE KINETICS; POLYMERS;

D O I：

10.1080/03602551003681796

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Bio-based epoxy materials were prepared from epoxidized soybean oil (ESO) with an anhydride-curing agent. Variation of anhydride/epoxy ratio (R) was found to have significant effect on the resulting properties of the materials. The properties were studied and compared by dynamic mechanical analysis (DMA), izod impact, scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). The glass transition temperature reaches the maximum at stoichiometric ratio related to the cross-link density of the formed networks. These materials are thermally stable but exhibit a rapid decrease as the anhydride/epoxy ratio was increased.

引用

页码：657 / 661

页数：5

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