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We present a molecular-dynamics study of a system of end-grafted polymers between parallel surfaces. We find that the forces between the surfaces as a function of their separation can be described both by scaling and self-consistent field theories and agree with the experiments of Taunton et al. We quantify the amount of interpenetration of the two brushes and describe it with a simple scaling form. Overall monomer density profiles as well as the contribution from each brush are also presented.
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Murat et al. (1989) studied this question.
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