Preparation of itaconic acid-modified epoxy resins and comparative study on the properties of it and epoxy acrylates

IF 3.2 3区 化学 Q2 POLYMER SCIENCE
e-Polymers Pub Date : 2024-04-25 DOI:10.1515/epoly-2023-0182
Qinchen Ye, Qiuli Zhao, Qinghao Yang, Wendong Li, Zhenzhong Hou, Guanjun Zhang
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引用次数: 0

Abstract

To investigate the potential applications of bio-based epoxy resins across diverse fields, this study synthesized a bio-based epoxy resin using itaconic acid (EIA) as the precursor material and compared its thermal, mechanical, and electrical properties with those of epoxy acrylate (EA). The findings indicate that the glass transition temperature and the 5% thermal decomposition temperature of the EIA-cured system are higher than those of EA. The breakdown field strength of the EIA-cured system is slightly higher than that of EA (35.58 kV·mm−1), suggesting that EIA exhibits stronger electrical properties compared to EA. Mechanical property tests demonstrate that the tensile strength, elongation at the fracture point, and Shore hardness of the EIA-cured system are superior to those of EA. In conclusion, EIA, serving as a matrix resin, is influenced by cross-linking density and intramolecular ester bonding and exhibits close electrical strength but superior mechanical, thermal, and degradation properties than EA.
衣康酸改性环氧树脂的制备及其与环氧丙烯酸酯性能的比较研究
为了研究生物基环氧树脂在不同领域的潜在应用,本研究以衣康酸(EIA)为前驱体材料合成了一种生物基环氧树脂,并将其热性能、机械性能和电性能与丙烯酸环氧酯(EA)进行了比较。研究结果表明,EIA 固化体系的玻璃化转变温度和 5% 热分解温度均高于 EA。EIA 固化体系的击穿场强略高于 EA(35.58 kV-mm-1),这表明 EIA 与 EA 相比具有更强的电气性能。机械性能测试表明,EIA 固化体系的拉伸强度、断裂点伸长率和肖氏硬度均优于 EA。总之,作为基体树脂的 EIA 受交联密度和分子内酯键的影响,其电气强度接近 EA,但机械、热和降解特性优于 EA。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
e-Polymers
e-Polymers 化学-高分子科学
CiteScore
5.90
自引率
10.80%
发文量
64
审稿时长
6.4 months
期刊介绍: e-Polymers is a strictly peer-reviewed scientific journal. The aim of e-Polymers is to publish pure and applied polymer-science-related original research articles, reviews, and feature articles. It includes synthetic methodologies, characterization, and processing techniques for polymer materials. Reports on interdisciplinary polymer science and on applications of polymers in all areas are welcome. The present Editors-in-Chief would like to thank the authors, the reviewers, the editorial staff, the advisory board, and the supporting organization that made e-Polymers a successful and sustainable scientific journal of the polymer community. The Editors of e-Polymers feel very much engaged to provide best publishing services at the highest possible level.
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