Isothermal Crystallization Behavior of Poly(L-lactic acid)/Organo-Montmorillonite Composites

被引：0
|
作者：
Cai, Yan-Hua [1 ]
Miao, Ya-Wei [1 ]
Wang, Zheng-Yong [1 ]
机构：
[1] Chongqing Univ Arts & Sci, Chongqing Key Lab Environm Mat & Remediat Technol, Chongqing 402160, Peoples R China
来源：
ASIAN JOURNAL OF CHEMISTRY | 2014年 / 26卷 / 04期
基金：
中国博士后科学基金;
关键词：
Montmorillonite; Crystallization time; Poly(L-lactic acid); Crystallization kinetic; MICROSTRUCTURE; NANOCOMPOSITES; KINETICS; HYBRID; ACID); CLAY;
D O I：
10.14233/ajchem.2014.16423
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this research, organo-montmorillonite (OMMT) was synthesized by ion exchange technology, Then the poly(L-lactic acid)(PLLA)/OMMT composites were fabricated using melt blending and hot-press forming. The isothermal crystallization behavior of PLLA/OMMT composites was investigated in detail and isothermal crystllization behavior was affected by crystallization temperature and organomontmorillonite content. Compared to the neat poly(L-lactic acid), the half-time of poly(L-lactic acid) with 5 % organo-montmorillonite decreases from 2991.5s to 327s. and the kinetic of isothermal crystallization of PLLA/OMMT was described by Avrami theory and the results showed that PLLA/OMMT composite had complicated nucleation mechanism.
引用
收藏
页码：1237 / 1240
页数：4
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