采用差示扫描量热仪(DSC)研究了熔融插层法制备的尼龙6/乙烯-辛烯共聚物/有机改性蒙脱土(PA6/POE/OMMT)纳米复合材料的结晶行为,用Jeziorny法和Mo法分析了复合材料的非等温结晶动力学,并计算得到了相关的结晶动力学参数.结果表明,纳米粘土对基体有异相成核作用,但随着其在复合材料中含量增加,半结晶时间t<,1/2>延长.最后,根据Huffman-Lauritzen理论计算了复合材料的非等温结晶活化能(E<,α>).
参考文献
| [1] | T.D.Fornes;D.R.Paul .Crystallization behavior of nylon 6 nanocomposites[J].Polymer: The International Journal for the Science and Technology of Polymers,2003(14):3945-3961. |
| [2] | 周宛棣,于德梅,郭秀生,万炜涛,苏楠楠.尼龙6/粘土聚合物纳米复合材料的性能表征--（Ⅱ）结晶行为研究[J].高分子材料科学与工程,2004(03):136-139. |
| [3] | Tjong SC;Bao SP .Preparation and nonisothermal crystallization behavior of polyamide 6/montmorillonite nanocomposites[J].Journal of Polymer Science, Part B. Polymer Physics,2004(15):2878-2891. |
| [4] | Liu TX;Mo ZS;Wang SG;Zhang HF .Nonisothermal melt and cold crystallization kinetics of poly(aryl ether ether ketone ketone)[J].Polymer engineering and science,1997(3):568-575. |
| [5] | Vyazovkin S;Sbirrazzuoli N .Isoconversional approach to evaluating the Hoffman-Lauritzen parameters (U* and K-g) from the overall rates of nonisothermal crystallization[J].Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation,2004(6):733-738. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%