以衣康酸(IA)、癸二酸(SA)和1,4-丁二醇(BDO)为反应单体,采用熔融酯化缩聚法合成了一系列新型可生物降解脂肪族聚(衣康酸丁二醇酯癸二酸丁二醇酯)(PBIS).采用核磁共振、凝胶渗透色谱、差示扫描量热、热失重分析和酶降解测试等方法对共聚酯的结构和性能进行了表征.凝胶渗透色谱测试结果表明,随着共聚酯中衣康酸含量的增加,其数均相对分子质量先减小后增大;差示扫描量热分析得出,产物的熔点和结晶温度随衣康酸含量的增加而下降;热失重分析表明,共聚酯拥有较好的热稳定性;酶降解测试得出共聚酯具有良好的生物降解性,且降解速率随衣康酸含量的增加而加快.
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