| 基于改进的Maier-Saupe理论对链状高分子结晶过程的研究 |
| |
| 引用本文： | 张健,姜舟婷.基于改进的Maier-Saupe理论对链状高分子结晶过程的研究[J].宁波教育学院学报,2010,12(6). |
| |
| 作者姓名： | 张健 姜舟婷 |
| |
| 基金项目： | 浙江省科技厅钱江人才项目 |
| |
| 摘 要： | 以分子动力学对高分子链取向函数S的模拟结果,改进原有的Maier-Saupe平均场理论在液晶小分子体系中的势能表达式,使之适用于高分子单链体系,研究高分子链的结晶过程。得出链状高分子结构的改变主要依靠链段的有序化,非晶态全局取向函数大于零,临界温度随着链柔性的增加而升高的结论,对深入理解高分子的结晶过程提供了理论依据。
|
| 关 键 词： | 链状高分子 结晶 取向函数 |
The Study on Crystallization Process of a Single Polymer Chain Based on the Improved Maier-Saupe Theory |
| |
| ZHANG Jian,JIANG Zhou-ting.The Study on Crystallization Process of a Single Polymer Chain Based on the Improved Maier-Saupe Theory[J].Journal of Ningbo Institute of Education,2010,12(6). |
| |
| Authors: | ZHANG Jian JIANG Zhou-ting |
| |
| Abstract: | The structural information of a single polymer chain during its crystallization process was studied here,by the improved Maier-Saupe theory,and based on the MD simulation result on orientation order parameter S.The original M-S theory was explained the liquid crystal during the N-I transition successfully.In this article,the mean field potential expression of M-S theory was improved to suit the single polymer chain system.It concluded that the paralleled stems are mainly located in the crystal lattice under the low temperature.The value of S is larger than zero under non-crystal state.And the critical temperature TC is increasing with the flexibility of a polymer chain.The theoretical conclusions are helpful to understand the crystallization process of a single polymer chain. |
| |
| Keywords: | polymer chain crystallization orientation order parameter |
| 本文献已被 维普 万方数据 等数据库收录！ |
