Nonisothermal crystallization kinetics of biodegradable poly(lactic acid)/zinc phenylphosphonate composites

被引：36
|
作者：
Han, Qian [1 ]
Wang, Yaming [1 ]
Shao, Chunguang [1 ]
Zheng, Guoqiang [1 ]
Li, Qian [1 ]
Shen, Changyu [1 ]
机构：
[1] Zhengzhou Univ, Natl Engn Res Ctr Adv Polymer Proc Technol, Key Lab Adv Mat Proc & Mold, Minist Educ, Zhengzhou 450002, Peoples R China
来源：
JOURNAL OF COMPOSITE MATERIALS | 2014年 / 48卷 / 22期
基金：
中国国家自然科学基金;
关键词：
Poly(lactic acid); biodegradable; zinc phenylphosphonate; composites; nonisothermal crystallization kinetics; ISOTHERMAL CRYSTALLIZATION; ISOTACTIC POLYPROPYLENE; MECHANICAL-PROPERTIES; BEHAVIOR; MORPHOLOGY; FIBER; POLYLACTIDE; TRANSITION; AGENT;
D O I：
10.1177/0021998313502064
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The effect of zinc phenylphosphonate on the crystallization of poly(lactic acid) using differential scanning calorimetry operating in dynamical mode at various cooling rates is reported. Experimental data were analyzed using the Avrami, Tobin, and Ozawa models. It is concluded that the addition of zinc phenylphosphonate modifies the crystallization process of poly(lactic acid) (changing the value of the Avrami exponent). Various parameters such as the crystallization half-time and crystallization rate constant reflect that zinc phenylphosphonate significantly accelerates the crystallization process. The activation energy value of the crystallization of poly(lactic acid), determined by the Kissinger method, increases with the addition of zinc phenylphosphonate.
引用
收藏
页码：2737 / 2746
页数：10
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