The influence of the macromolecular architecture on adsorption of polymer chains on a solid surface

P. Adamczyk; A. Sikorski

Published : 2010-08-30

Vol. 55 No. 7-8 (2010)

The influence of the macromolecular architecture on adsorption of polymer chains on a solid surface

P. Adamczyk A. Sikorski

Abstract

Computer simulations of a simple model of adsorbed polymer chains were performed with the dynamic Monte Carlo method. The coarse grained chain representation was used and model macromolecules were confined to vertices of a simple cubic lattice. The chains were modeled with excluded volume only, i.e. at good solvent conditions. The polymers interacted with an impenetrable surface via an attractive potential, which was varied to cover both weak and strong adsorption regimes. Three different chain architectures were studied: linear and star-branched with three and four arms. It was found that size of chains obeys the scaling law with exponential characteristics for two- and three-dimensions for the weak and strong adsorption regime respectively. The transition temperatures between these regimes were also determined. The structure of adsorbed polymers was found similar for all architectures especially for the case of strong adsorption.

Keywords

adsorpcja polimerów ; metoda Monte Carlo ; modele sieciowe ; polimery rozgałęzione polymer adsorption ; Monte Carlo method ; lattice models ; branched polymers

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Adamczyk, P., & Sikorski, A. (2010). The influence of the macromolecular architecture on adsorption of polymer chains on a solid surface. Polimery, 55(7-8), 512-517. Retrieved from https://ichp.vot.pl/index.php/p/article/view/1034

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