利用乙酰丙酸合成双酚酸的工艺研究Study on the Synthesis of Diphenolic Acid from Levulinic Acid
常春,岑沛霖,马晓建
摘要(Abstract)：
研究了以苯酚和新型平台化合物乙酰丙酸为原料,采用盐酸为催化剂、巯基乙酸为助催化剂催化合成高分子材料单体双酚酸的合成工艺。考察了助催化剂种类及用量、反应物料配比、反应温度、反应时间和催化剂用量对双酚酸产率的影响。研究结果表明,巯基乙酸可以作为助催化剂有效地促进乙酰丙酸和苯酚的缩合,用量为n[巯基乙酸]:n[乙酰丙酸]为0.02,n[HCl]:n[乙酰丙酸]为4,n[苯酚]:n[乙酰丙酸]为4,反应温度60℃,反应时间40h。在该条件下,双酚酸的产率为97.1%。产物进一步经红外光谱、氢核磁谱进行表征,证实为双酚酸。
关键词(KeyWords)： 乙酰丙酸;双酚酸;合成;高分子材料
基金项目(Foundation):
作者(Author): 常春,岑沛霖,马晓建
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