高等学校化学学报

高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (9): 1497.

• 研究简报 • 上一篇    

高分子稀溶液粘度方程中Huggins系数的新解释

潘雁, 程镕时   

  1. 华南理工大学材料学院, 高分子研究所, 广州 510641
  • 收稿日期:1999-04-09 出版日期:2000-09-24 发布日期:2000-09-24
  • 通讯作者: 程镕时(1927年出生),男,教授,博士生导师,中国科学院院士,主要从事高分子溶液研究.
  • 基金资助:

    国家攀登计划(批准号:59673025)资助

A New Interpretation of Huggins Coefficient in the Viscosity Equation for Polymer Dilute Solution

PAN Yan, CHENG Rong-Shi    

  1. College of Science and Engineering of Materials, South China University of Science & Technology, Guangzhou 510641, China
  • Received:1999-04-09 Online:2000-09-24 Published:2000-09-24

PDF (PC)

被引次数

12

关键词: Huggins系数, 团簇理论, 相互作用

Abstract: The chain length dependency of molar association constant Ka of polymer in solution was investigated theoretically. Ka is proportional to the effective hydrodynamic volume Veff of polymer chain in solution. Veff is the product of a shape factor and hydrodynamic volume. On the basis of these results, the observed enhancement of Huggins coefficient for short chain and branched polymer could be satisfactorily interpreted.

Key words: Huggins coefficient, Cluster theory, Interaction

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