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Citation: Yi-Xin Liu, Jianfeng Li, Hongdong Zhang. 现代高分子物理课程系列漫谈——溶液中高分子单链自由能[J]. University Chemistry, ;2022, 37(1): 210304. doi: 10.3866/PKU.DXHX202103041 shu

现代高分子物理课程系列漫谈——溶液中高分子单链自由能

State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, China

Corresponding author: Jianfeng Li, lijf@fudan.edu.cn
Received Date: 18 March 2021

高分子单链自由能表达式对于推导及理解高分子尺寸对聚合度的标度依赖关系至关重要，本文提供了一个基于Flory格子模型的推导溶液中高分子单链自由能的新方法。该方法消除了高分子物理教学过程中高分子溶液部分知识点的割裂问题。此外，由该方法得到的单链自由能表达式可将不同性质溶剂（即良溶剂、不良溶剂和θ溶剂）中高分子尺寸与聚合度的标度关系的推导过程统一起来，帮助学生理解各个知识点之间的深层次关系，并由此感受高分子物理之美。
- Single chain,
- Polymer solution,
- Scaling law,
- Free energy
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