Journal
MACROMOLECULES
Volume 33, Issue 9, Pages 3447-3452Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma991031l
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An analysis of the cylindical brush of an isolated comb copolymer molecule consisting of a semiflexible backbone and flexible side chains is presented. Using the Alexander-de Gennes approximation, we calculate the free energy of both straight and bent cylindrical brush and the brush persistence length lambda, and show that lambda scales as a function of the side chain length M as lambda proportional to M-2. The discrepancy between the asymptotic scaling behavior and recent computer simulation results is also discussed.
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