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Vol. 26 No. 4 (2014): Vol 26 Issue 4

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

https://doi.org/10.14233/ajchem.2014.16423
Yan-Hua Cai
Chongqing Key Laboratory of Environmental Materials & Remediation Technologies, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, P.R. China
Ya-Wei Miao
Chongqing Key Laboratory of Environmental Materials & Remediation Technologies, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, P.R. China
Zheng-Yong Wang
Chongqing Key Laboratory of Environmental Materials & Remediation Technologies, Chongqing University of Arts and Sciences, Yongchuan, Chongqing 402160, P.R. China

Corresponding Author(s) : Yan-Hua Cai

caiyh651@aliyun.com

Asian Journal of Chemistry, Vol. 26 No. 4 (2014): Vol 26 Issue 4

Abstract

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 organo-montmorillonite 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.

Keywords

Montmorillonite Crystallization time Poly(L-lactic acid) Crystallization kinetic
Cai, Y.-H., Miao, Y.-W., & Wang, Z.-Y. (2014). Isothermal Crystallization Behavior of Poly(L-lactic acid)/Organo-Montmorillonite Composites. Asian Journal of Chemistry, 26(4), 1237–1240. https://doi.org/10.14233/ajchem.2014.16423
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