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Synthesis and Characterization of Modified Soybean Oil and Methacrylated Fatty Acid Derived Resins for Sheet Molding Compounds

机译:片状模塑料用改性大豆油和甲基丙烯酸脂肪酸衍生树脂的合成与表征

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The synthesis of bio-based resins for sheet molding compounds (SMCs) has been investigated for potential use in automotive applications. The monomer was developed by carrying out a maleinization reaction on chemically modified soybean oil. A fatty acid co-monomer was also synthesized to aid in reducing the amount of volatile organic compounds (VOCs) released into the environment. The monomers were characterized using Fourier Transform infrared (FTIR) spectroscopy, ~1H-NMR spectroscopy, acid number analysis and rheometry, in order to determine the chemical and rheological properties of the monomers. It was observed that the reaction extent increased exponentially as the reaction time increased. H-NMR spectroscopy revealed that the number of reacted maleates per triglyceride increased as the reaction time increased. Both neat acrylated epoxidized soybean oil (AESO) and maleinized soybean oil displayed Newtonian behavior.
机译:已经研究了用于片状模塑料(SMC)的生物基树脂的合成方法,可用于汽车领域。通过在化学改性的大豆油上进行马来化反应来开发单体。还合成了脂肪酸共聚单体,以帮助减少释放到环境中的挥发性有机化合物(VOC)的量。为了确定单体的化学和流变性质,使用傅里叶变换红外(FTIR)光谱,〜1H-NMR光谱,酸值分析和流变法对单体进行了表征。观察到反应程度随反应时间的增加呈指数增加。 1 H-NMR光谱表明,随着反应时间的增加,每个甘油三酸酯反应的马来酸酯的数量增加。纯丙烯酸酯化的环氧化大豆油(AESO)和马来化大豆油均表现出牛顿行为。

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