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OALib Journal期刊
ISSN: 2333-9721
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hdi缩二脲的合成与表征研究进展
Keywords: 聚氨酯,hdi缩二脲,合成,表征
Abstract:
？六亚甲基二异氰酸酯（hdi）缩二脲为脂肪族聚氨酯固化剂，因其无芳环结构，广泛用于具有良好耐候性和保光性的聚氨酯涂料。文章综述了国内外hdi缩二脲合成工艺与表征方法的研究进展，详细介绍了气相色谱、高效液相色谱、红外光谱、凝胶渗透色谱、质谱和核磁氢谱等6种测试方法在该领域的应用，并对各种方法的优缺点进行了比较，提出了一套表征hdi与活性氢物质反应产物组成和结构的测试方法，为高校研究和企业开发产品提供了参考。
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