Novel Biodegradable Polylactide/Poly(butylene succinate) Composites via Cross-Linking with Methylene Diphenyl Diisocyanate

被引：33
|
作者：
Li, Liangzhao [1 ]
Song, Guolin [2 ]
Tang, Guoyi [1 ,2 ]
机构：
[1] Guangdong Univ Technol, Coll Mat & Energy, Guangzhou 510090, Guangdong, Peoples R China
[2] Tsinghua Univ, Grad Sch Shenzhen, Key Lab Cleaning Prod, Shenzhen 518057, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2013年 / 52卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Composite; Methylene diphenyl diisocyanate; Poly(butylenes succinate); Polylactide; MECHANICAL-PROPERTIES; BLENDS; CRYSTALLIZATION; POLYLACTIDE; NANOCLAY; BEHAVIOR;
D O I：
10.1080/03602559.2013.798817
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A novel polylactide/poly(butylene succinate) composite via cross-linking with methylene diphenyl diisocyanate was used. The methylene diphenyl diisocyanate (MDI) was to couple with end hydroxyl of polylactide and poly(butylene succinate) by a torque rheometer and the samples were compression molded into plate successfully. A series of composites was studied with various amounts of poly(butylene succinate) (PBS) from 0 to 40wt%. Tensile test results demonstrated that the elongation at break of the MDI-based PLA/PBS composites increased greatly compared with PLA/PBS, PLA and PBS. Fourier transform infrared spectroscopy (FTIR) tests indicated the MDI-based composite showed a new urethane bond among different components. Melting Flow Rate (MFR) in PLA/PBS composites decreased with increasing PBS content.
引用
收藏
页码：1183 / 1187
页数：5
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