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Optimization of esterification of dicarboxylic acids and 2-ethyl-1-hexanol

机译:二羧酸和2-乙基-1-己醇酯化的优化

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Dicarboxylate ester has the potential alternative as plasticizer which environmentally friendly in polymeric formulation especially for poly (vinyl chloride) (PVC). Dicarboxylate ester compounds were synthesized via esterification between dicarboxylic acid and 2-ethyl-1-hexanol by using sulfuric acid as catalyst. The effects of reaction parameters were studied by optimizing temperature, mole ratio of reactants, amount of catalyst and reaction to obtain highest ester conversion. The optimum results showed dicarboxylic acid successfully converted to the dicarboxylate ester at parameters; 4 hours; 120°C; catalyst amount: 2% w/w of diacid; and mole ratio: 1:2.5. Functional group analysis was conducted by using ATR-FTIR spectroscopy.
机译:二羧酸酯具有潜在的替代品作为增塑剂,其在聚合物制剂中环保,特别是对于聚(氯乙烯)(PVC)。通过使用硫酸作为催化剂,通过二羧酸和2-乙基-1-己醇之间的酯化通过酯化合成二羧酸酯化合物。通过优化反应物,反应物的温度,催化剂量和反应的摩尔比来研究反应参数的影响,以获得最高的酯转化。最佳结果表明,在参数上成功转化为二羧酸酯的二羧酸; 4个小时; 120°C;催化剂量:2%w / w的二酸;和摩尔比:1:2.5。通过使用ATR-FTIR光谱进行官能团分析。

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