Monte Carlo model of a polymer chain attached to an interface in poor solvent conditions

Coil dimensions of short chains terminally attached to a rigid, impenetrable boundary in poor solvent and/or low temperature conditions are studied by means of the Monte Carlo (MC) method. It is found that the system exhibits a characteristic temperature T c at which all the chain properties change...

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Bibliographic Details
Published in:Polymer (Guilford) 1989-04, Vol.30 (4), p.681-685
Main Authors: Milik, Mariusz, Orszagh, Andrzej
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Monte Carlo method
Organic polymers
Physicochemistry of polymers
Properties and characterization
rigid boundary
segment density distribution
terminally attached polymer
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Summary:Coil dimensions of short chains terminally attached to a rigid, impenetrable boundary in poor solvent and/or low temperature conditions are studied by means of the Monte Carlo (MC) method. It is found that the system exhibits a characteristic temperature T c at which all the chain properties change dramatically. For a given chain length N, the coil dimension above T c decreases monotonically with decreasing temperature. Below T c rapid expansion of the chain in a direction orthogonal to the surface can be seen.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(89)90155-9