ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION

Dong-shan Zhou; Xiao-liang Wang; Bo Che; Liang Li; Jin-lu Chen; Gi Xue

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ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION

Papers | Updated：2021-06-21

- ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION
- ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION
- 高分子科学（英文版） 2005年23卷第2期页码：159-163
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- 纸质出版：2005-03-20
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Dong-shan Zhou, Xiao-liang Wang, Bo Che, 等. ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION[J]. 高分子科学（英文版）, 2005,23(2):159-163.

Dong-shan Zhou, Xiao-liang Wang, Bo Che, et al. ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION[J]. 2005, 23(2): 159-163.
Dong-shan Zhou, Xiao-liang Wang, Bo Che, 等. ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION[J]. 高分子科学（英文版）, 2005,23(2):159-163. DOI：

Dong-shan Zhou, Xiao-liang Wang, Bo Che, et al. ENTROPIC CONTRIBUTION TO THE INTERACTION PARAMETER c IN THE POLYMER/OLIGOMER SYSTEM: A LATTICE CLUSTER THEORY CONSIDERATION[J]. 2005, 23(2): 159-163. DOI：

摘要

Entropic contribution to the interaction parameter ceff in the model incompressible polymer/oligomer system is calculated by the lattice cluster theory (LCT). It is found that in the oligomer solvent

there exists a wide concentration range that the non-combinatorial “entropic interaction” term ceff f1f2 perceptibly counteracts the mean field combinary entropy DSMF. With the increase of the solvent size

both ceff and the ratio ceff f1f2 / DSMF first reach their maximum and finally become trivially to zero. It is worth noting that no any demixing was found in the current calculation. This makes the controversial idea “entropically driven demixing” even elusive. However

we propose that further work on compressible polymer solution with structured monomer will witness the demixing owning to an increased configurational correlation.

Abstract

Entropic contribution to the interaction parameter ceff in the model incompressible polymer/oligomer system is calculated by the lattice cluster theory (LCT). It is found that in the oligomer solvent

we propose that further work on compressible polymer solution with structured monomer will witness the demixing owning to an increased configurational correlation.

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