Unique Crystallization Behavior of Poly(L-lactic acid) Nucleated by Stereocomplex with Different Fine Structure

被引：13

作者：

Xu, Huijun ^{[1
,2
]}

Tang, Songchao ^{[1
,2
]}

Chen, Jianding ^{[1
,2
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai Key Lab Adv Polymer Mat, Shanghai 200237, Peoples R China

[2] E China Univ Sci & Technol, Sch Mat Sci & Engn, Key Lab Ultrafine Mat, Minist Educ, Shanghai 200237, Peoples R China

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2013年 / 52卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Crystallization; Poly(L-lactic acid); Poly(D-lactic acid); Stereocomplex; Structure; POLY-L-LACTIDE; ISOTHERMAL CRYSTALLIZATION; SPHERULITE GROWTH; MELTING BEHAVIOR; KINETICS; MORPHOLOGY; DSC;

D O I：

10.1080/03602559.2012.762667

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Effect of the addition of poly(D-lactic acid) (PDLA) as stereocomplex (SC) on crystallization behavior of poly(L-lactic acid) (PLLA) had been systemically investigated. The result indicated that the inclusion of PDLA with higher MW into PLLA exhibited lower t(1/2) and showed accelerated crystallization behavior. Meanwhile, SC formed in blends with higher MW of PDLA exhibited enhanced nucleation activity. In combination with both DSC and WAXD analysis, it was believed that nucleation process was more related to the crystalline size of SC. The result in this study would provide guidance for the application of SC as nucleating agent for the PLA-based products.

引用

页码：690 / 698

页数：9

共 28 条

[1]

[Anonymous], 1976, TREATISE SOLID STATE, DOI DOI 10.1007/978-1-4684-2664-9_7

[2] STEREOCOMPLEXATION AND MORPHOLOGY OF POLYLACTIDES [J].