化学工程-PBAT复合材料的研究-10199字.doc

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1、PBAT复合材料的研究摘 要本文以淀粉和聚对苯二甲酸丁二醇酯-己二酸丁二醇酯(PBAT)为主要原料，通过在体系中加入增塑剂、增强剂、相容剂、偶联剂等助剂对材料进行改性，考察了不同添加量对材料的力学性能、流变性能、微观形貌及热性的影响，制备了性能较优的淀粉基生物降解材料。其具体过程如下：(1) 分别取不同含量的增塑剂、相容剂、改性剂对淀粉/PBAT 复合材料进行改性，通过测试材料的力学性能和流变性能分析改性剂对复合材料的影响，获得较优的组合配比。(2) 在获得最佳的增塑剂、相容剂、改性剂添加量的基础上增加淀粉的含量，研究淀粉加入量对材料各性能的影响。(3) 通过添加增强剂、改性剂改善淀粉基生物降

2、解材料的力学性能和热性能，获得最佳添加量，优化配方。关键词： PBAT 淀粉 力学性能 热性能 复合IStudy on PBAT CompositesAbstract In this paper, starch and PBAT were used as the main raw materials, and plasticizer, reinforcing agent, compatibilizer, coupling agent and other additives were added into the system to modify the materials. The effec

3、ts of different amount of additives on the mechanical properties, rheological properties, micro morphology and thermal properties of the materials were investigated, and the starch based biodegradable materials with better performance were prepared. The specific process is as follows: (1) Different contents of plasticizer, compatibilizer and modifier were u