Thermal, rheological, and mechanical properties of polylactide/poly(diethylene glycol adipate)

被引：26
作者：
Liang, Hongyu [1 ,2 ]
Hao, Yanping [1 ,2 ]
Liu, Sanrong [1 ]
Zhang, Huiliang [1 ]
Li, Yuesheng [1 ]
Dong, Lisong [1 ]
Zhang, Huixuan [1 ,2 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Polymer Ecomat, Changchun 130022, Peoples R China
[2] Changchun Univ Technol, Changchun 130012, Peoples R China
来源：
POLYMER BULLETIN | 2013年 / 70卷 / 12期
基金：
国家高技术研究发展计划(863计划);
关键词：
Polylactide; Plasticizer; Mechanical properties; Miscibility; PLASTICIZED POLY(L-LACTIC ACID); POLY(LACTIC ACID); POLY(PROPYLENE GLYCOL); BLENDS; CRYSTALLIZATION; POLYLACTIDE;
D O I：
10.1007/s00289-013-1035-8
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polylactide (PLA) was plasticized with a new biodegradable macromolecular plasticizer-poly(diethylene glycol adipate) (PDEGA). The crystallization behavior, miscibility, rheological behavior, mechanical properties and phase behavior of PLA/PDEGA blends were investigated. The PDEGA lowered the glass transition temperature and the cold crystallization temperature. With an increase of PDEGA content, the break strain and impact strength increased significantly. The high break strain of 480 % and the high impact strength of 30 kJ/m(2) were obtained for 70/30 PLA/PDEGA blend. PDEGA was uniformly dispersed in the PLA matrix. The results indicated that PDEGA had a good plasticizing effect on PLA.
引用
收藏
页码：3487 / 3500
页数：14
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