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Wertheim M.S. — Fluids with Highly Directional Attractive Forces. IV. Equilibrium Polymerization
Wertheim M.S. — Fluids with Highly Directional Attractive Forces.  IV. Equilibrium Polymerization

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Название: Fluids with Highly Directional Attractive Forces. IV. Equilibrium Polymerization

Автор: Wertheim M.S.

Аннотация:

We investigate approximation methods for systems of molecules interacting by core repulsion and highly directional attraction due to several attraction sites. The force model chosen imitates a chemical bond by providing for bond saturation when binding occurs. The dense fluid is an equilibrium mixture of s-mers with mutual repulsion. We use a previously derived reformulation of statistical thermodynamics, in which the particle species are monomeric units with a specified set of attraction sites bonded. Thermodynamic perturbation theory (TPT) and integral equations of two types are derived. The use of TPT is illustrated by explicit calculation for a molecular model with two attraction sites, capable of forming chain and ring polymers. Successes and defects of TPT are discussed. The integral equations for pair correlations between particles of specified bonding include calculation of self-consistent densities of species. Methods of calculating thermodynamic properties from the solutions of integral equations are given.


Язык: en

Рубрика: Физика/

Тип: Статья

Статус предметного указателя: Неизвестно

ed2k: ed2k stats

Год издания: 1986

Количество страниц: 16

Добавлена в каталог: 21.10.2013

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