Synthesis and Characterization of Poly(Butylene TerephthalatecoButylene Itaconate) Copolyesters

doi:10.3969/j.issn.1006-396X.2014.02.001

Journal of Petrochemical Universities ›› 2014, Vol. 27 ›› Issue (2): 1-5.DOI: 10.3969/j.issn.1006-396X.2014.02.001

(College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao Shandong 266042,China)

Received:2013-12-20 Revised:2014-03-18 Published:2014-04-25 Online:2014-06-16

聚( 对苯二甲酸丁二醇酯 - c o - 衣康酸丁二醇酯)的合成及表征

( 青岛科技大学化工学院, 山东青岛2 6 6 0 4 2)

通讯作者: 武玉民( 1 9 6 4 - ) , 男, 博士, 教授, 从事新型高分子材料、绿色化工的研究; E - m a i l : w u y u m i n 0 0 5@1 6 3. c o m。
作者简介:肖志丹( 1 9 8 7 - ) , 男, 硕士研究生, 从事高分子材料的研究; E - m a i l : 1 5 1 5 3 2 1 6 4 6 5@1 6 3. c o m。
基金资助:
国家自然科学基金项目( 2 1 1 0 6 0 7 5) ;青岛市基础研究 - 联合基金计划项目( 1 2 - 1 - 4 - 3 - ( 3 3) - j c h) 。

Abstract

Abstract: A series of biodegradable aliphatic/aromatic copolyesterspoly(butylene terephthalatecobutylene itaconate)(PBTI) were synthesized by melt polycondensation using dimethyl terephthalate (DMT),1,4butanediol(BD) and dimethyl itaconate(DI) as raw materials. The effects of polymerization time, temperature, as well as aliphatic/aromatic mole ratio on physical and thermal properties of the copolyesters were investigated. The structure of the copolyesters was studied by 1HNMR and FTIR. DSC, TGA and GPC analysis clearly indicated that the molecular weight, glasstransition temperature and melting point were influenced by the ratio between DMT and DI in the final copolyesters. In addition, the effect of mole ratio between DMT and DI on the degradability of the copolyesters was studied. Results showed that the degradability of the copolyesters was gradually improved with the increase of the aliphatic units in the chain. 

Key words: Dimethyl itaconate, , Dimethyl terephthalate, , Melt polycondensation, , Copolyesters, , Biodegradation

摘要： 以对苯二甲酸二甲酯( DMT) 、 1, 4 - 丁二醇和生物质来源的衣康酸二甲酯( D I ) 为原料, 采用熔融缩聚法制备了一类生物可降解脂肪族/芳香族共聚酯—聚( 对苯二甲酸丁二醇酯 - c o - 衣康酸丁二醇酯) ( P B T I ) , 并考察了缩聚反应时间、缩聚温度和DMT与D I的物质的量比对P B T I相对分子质量和热力学性质的影响。利用1H - NMR和F T - I R对P B T I的结构进行了确认, 同时G P C、 D S C和TGA测试结果表明, 相对分子质量、玻璃化转变温度和熔点都受共聚酯中DMT与D I比例的影响。另外还探究了DMT与D I的物质的量比对该类共聚酯降解性的影响, 结果表明, 随脂肪族链段的增加共聚酯的降解性逐渐增加。

关键词: 衣康酸二甲酯, , , 对苯二甲酸二甲酯, , , 熔融缩聚法, , 共聚酯, , , 生物可降解

Xiao Zhidan, Wang Ting, Wang Chuanxing,et al. Synthesis and Characterization of Poly(Butylene TerephthalatecoButylene Itaconate) Copolyesters[J]. Journal of Petrochemical Universities, 2014, 27(2): 1-5.

肖志丹, 王婷, 王传兴, 高传慧, 朱来响, 武玉民. 聚( 对苯二甲酸丁二醇酯 - c o - 衣康酸丁二醇酯)的合成及表征[J]. 石油化工高等学校学报, 2014, 27(2): 1-5.

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