Isothermal Crystallization Behavior of Polyamide 6,6/Multiwalled Carbon Nanotube Nanocomposites

被引:16
|
作者
Lin, Shi-Ya [1 ]
Chen, Erh-Chiang [1 ]
Liu, Kuang-Yu [1 ]
Wu, Tzong-Ming [1 ]
机构
[1] Natl Chung Hsing Univ, Dept Mat Sci & Engn, Taichung 402, Taiwan
来源
POLYMER ENGINEERING AND SCIENCE | 2009年 / 49卷 / 12期
关键词
MELTING BEHAVIOR; NYLON-6; KINETICS; TEMPERATURE; COMPOSITES; COPOLYMERS; OXIDATION;
D O I
10.1002/pen.21495
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The good dispersion of functionalized multiwalled carbon nanotube (f-MWCNT) in polyamide 6,6 (PA 6,6) matrix was prepared by solution mixing techniques. The crystalline structure and crystallization behaviors of PA 6,6 and PA 6,6/f-MWCNT nanocomposites were studied by X-ray diffraction (XRD), differential scanning calorimetry (DSC), and polarized optical microscopy (POM) analysis. DSC isothermal results revealed that the overall isothermal crystallization rates of PA 6,6 increased as well as the activation energy of PA 6,6 extensively decreased by adding f-MWCNT into PA 6,6, suggesting that the addition of f-MWCNT probably induces the heterogeneous nucleation. The effect of f-MWCNT on the chain arrangement for the crystallization of PA 6,6/f-MWCNT nanocomposites was also discussed. POLYM. ENG. SCL, 49:2447-2453,2009. (C) 2009 Society of Plastics Engineers
引用
收藏
页码:2447 / 2453
页数:7
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