马来酸酐和富马酸对聚丁二酸丁二酯的改性研究  

Modification of Poly(butylenes-succinate) by Maleic Anhydride and Fumaric Acid

作　　者：张敏[1] 张若琳[1] 李成涛[1] 景战峰[1] 邱建辉 

机构地区：[1]陕西科技大学教育部轻化工助剂化学与技术重点实验室,西安710021 [2]日本秋田县立大学

出　　处：《工程塑料应用》2013年第1期13-17,共5页Engineering Plastics Application

基　　金：陕西省教育厅产业化育研项目(2010 JC01);陕西省重大科技创新项目(2009ZKC08-09)

摘　　要：在聚丁二酸丁二酯(PBS)分子主链中添加带有不饱和键的马来酸酐(MAH)和富马酸(FA)单体,得到了含有不饱和键的,具有顺、反结构的PBS基共聚物。通过广角X射线衍射、热重分析、差示扫描量热分析和拉力测试等分析手段,研究了不同结构共聚物的性能。结果表明,随着MAH和FA含量的增加,两种改性后的PBS基共聚物的晶粒尺寸减小;玻璃化转变温度都有所降低;共聚物的热稳定性都略有降低,但高于300℃,仍具有良好的热稳定性;共聚物的拉伸强度差异较大,但断裂伸长率明显提高。在PBS主链中形成顺、反结构的两种单体的添加对PBS基共聚物性能的影响没有太大差别。Maleic anhydride（MAH） and fumaric acide（FA） were added in poly（butylenes-succinate）（PBS） to obtain PBS-based copolymer with an unsaturated bond and a cis-trans structure.The performance of the copolymer was studied by wide-angle X-ray diffraction, thermogravimetric analysis, differential scanning calorimetry and tensile testing.The results show that with the amount of MAH and FA increasing, the grain size of copolymer decreases ; the glass transition temperature reduces.Although the thermal stability is slightly lower, it is still higher than 300℃. So the thermal stability is acceptable. The tensile strength of the copolymer is different, but the elongation at break is significantly improved.There is no much difference between P（BS-co-MAH） and P（BS-co- FA）.

关 键 词：聚丁二酸丁二酯 共聚改性 顺反结构 马来酸酐 富马酸 

分 类 号：TQ323.4[化学工程—合成树脂塑料工业]