山梨酸改性大豆油:一种有前途的可持续热固性树脂生物基分子平台。

IF 6.6 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
ChemSusChem Pub Date : 2025-09-30 DOI:10.1002/cssc.202501346
Selena Silvano, Adriano Vignali, Laura Boggioni, Fabio Bertini
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引用次数: 0

摘要

本文以山梨酸(SA)和环氧大豆油(ESO)为原料,合成了一种全生物基热固性树脂山梨酸酯环氧大豆油(SESO)分子平台。SESO的化学结构通过光谱和分子分析得到了深入的表征。等温热重分析表明,SA的挥发性比丙烯酸(AA)低得多,这表明SA可以作为一种绿色安全的AA替代品,克服了AA在操作过程中可能遇到的挥发性和毒性问题。在自由基引发剂的存在下,通过热处理进行固化过程,得到了几种基于seso的热固性树脂。SESO在6小时后完全固化,比丙烯酸化ESO (AESO)更快,并且与苯乙烯、月桂烯和季戊四醇四丙烯酸酯等几种活性共聚单体具有良好的共聚能力,生产的树脂具有相似的机械性能(杨氏模量范围为6至1160 MPa)和热性能(玻璃化转变温度范围为17至61℃),并且具有优越的生物基含量。SESO的成功合成为在合成绿色热固性材料中使用SA作为AA的环保替代品提供了机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sorbic Acid-Modified Soybean Oil: A Promising Biobased Molecular Platform for Sustainable Thermosetting Resins.

In this article, the synthesis of a fully biobased molecular platform for thermosetting resins, namely sorbated epoxidized soybean oil (SESO), starting from sorbic acid (SA), and epoxidized soybean oil (ESO), is reported. The chemical structure of SESO is deeply characterized by spectroscopic and molecular analysis. The isothermal thermogravimetric analysis indicated that SA exhibited extremely lower volatility than acrylic acid (AA), which suggests that SA could be used as a green and safe alternative to AA overcoming issues related to AA volatility and toxicity that can be experienced during AA manipulation. Several SESO-based thermosetting resins are obtained after the curing process performed by thermal treatment in the presence of a radical initiator. SESO shows complete curing after 6 h, faster than acrylated ESO (AESO), along with a good copolymerization ability with several reactive comonomers, such as styrene, myrcene, and pentaerythritol tetraacrylate, producing resins with similar mechanical (Young's modulus ranging from 6 to 1160 MPa) and thermal (glass transition temperature ranging from 17 to 61 °C) properties and superior biobased content to those AESO-based. The successful synthesis of SESO offers the opportunity to use SA as an environmentally friendly alternative to AA in the synthesis of green thermosets.

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来源期刊
ChemSusChem
ChemSusChem 化学-化学综合
CiteScore
15.80
自引率
4.80%
发文量
555
审稿时长
1.8 months
期刊介绍: ChemSusChem Impact Factor (2016): 7.226 Scope: Interdisciplinary journal Focuses on research at the interface of chemistry and sustainability Features the best research on sustainability and energy Areas Covered: Chemistry Materials Science Chemical Engineering Biotechnology
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