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富马海松酸聚酯多元醇的合成

         

摘要

以富马海松酸为原料,制备富马海松酸聚酯多元醇(FAPP),分别考察了二元醇种类、催化剂种类和用量、反应温度、常压反应时间、减压反应时间、醇酸摩尔比等因素对FAPP性能的影响,并进行了红外光谱(IR)、高效凝胶色谱(GPC)表征.结果表明采用0.10%(质量分数)的氧化锌为催化剂、反应温度为220℃、常压反应时间为4h、减压反应时间为3h、醇酸比(二甘醇∶富马海松酸物质的量比)为1.20的反应条件下制得的FAPP制备水性聚氨酯(WPU),可提高其拉伸强度、硬度和耐水性.

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