Abstract
We studied a simplified model of a polymer brush. It consisted of linear chains, which were restricted to a simple cubic lattice. Chain macromolecules consisted of a sequence of two different kinds of segments were arranged in a specific sequence. The chains were grafted to an impenetrable surface, i.e., they were terminally attached to the surface with one end. The number of chains was varied from low to high grafting density. The model system was studied at different solvent qualities from good to poor solvent. The properties of this model system were studied by means of Monte Carlo simulation. The sampling Metropolis-type algorithm was based on local changes of chain's conformations. The structure of the brush film was analyzed and the roughness of the surface was determined. The distribution of both types of segments was given for different grafting densities.
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