Properties of The Conf igurational Thermodynamics of Conf ined Polymer Chains.
W AN G Xiang -hong1, Z H AN G Lin-xi2, L IN Zh en g-cheng1, et al ( 1. Department of Physics, WenzhouTeacher College , Wenzhou 325003, China; 2. Department of Physics, Zhejiang University , Hangzhou3 10 02 8, China )
摘要本文采用旋转异构体模型 ( rotational-isomeric state model) ,将多链聚二甲基硅氧烷体系链等效地约束在圆柱体内 ,计算了聚二甲基硅氧烷链的构象 ,得出受约有限长度高分子链的配分函数表达式和构象能量 E 及熵 S 的表达式. 这为进一步研究多链体系的热力学性质提供一种近似方法 .
Abstract：The m ethod o f sta tistics m echanics is propo sed to deal with PDM S chain m olecules which a rer eg ar ded as a sma ll sy stem an d rest raint in th e cy lind er , a nd th e m atrix serial p ro du cts an d coo rdin ateex ch a ngin g a re calculated , and th e fo rm of th e co nfigu ra tio n pa rtition functio n of m acro m elcu le chains is presented. The results of the short polym e r ch ains co n fin ed in cy lind er can p rov id e so m e thermody na mi-ca l properties o f multi-chain system s.
