欢迎登录材料期刊网

材料期刊网

高级检索

用Monte Carlo方法模拟了聚氧化乙烯(PEO)在预先成核条件下的等温结晶过程,并用Avrami方程进行了结晶动力学处理.结果显示,Avrami方程能够成功地描述被模拟的PEO等温结晶的初期过程.随着结晶温度的升高,结晶速率和球晶的线生长速率减小,而Avrami指数值基本不变,都接近于3.采用热台偏光显微镜(HSPOM)实验证实了模拟实验模型和结果的正确性.

参考文献

[1] 林志勇;杨俊;肖凤英 等.[J].高分子材料科学与工程,2004,20:45.
[2] Xu JT;Fu ZS;Wang XP;Geng JS;Fan ZQ .Effect of the structure on the morphology and spherulitic growth kinetics of polyolefin in-reactor alloys[J].Journal of Applied Polymer Science,2005(2):632-638.
[3] Liu JP.;Jungnickel BJ. .Crystallization and morphology of poly(vinylidene fluoride)/poly(3-hydroxybutyrate) blends. II. Morphology and crystallization kinetics by time resolved X-ray scattering[J].Journal of Polymer Science, Part B. Polymer Physics,2004(6):974-985.
[4] Hui Sun,Zhi-ying Zhang,Shi-zhen Wu,Bin Yu,Chang-fa Xiao.INFLUENCE OF SAMPLE THICKNESS ON ISOTHERMAL CRYSTALLIZATION KINETICS OF POLYMERS IN A CONFINED VOLUME[J].高分子科学(英文版),2005(06):657-663.
[5] Avrami M .[J].Journal of Chemical Physics,1939,7:1103.
[6] Avrami M .[J].Journal of Chemical Physics,1940,8:212.
[7] Avrami M .[J].Journal of Chemical Physics,1941,9:177.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%