Abstract

Three-block copolymers polystyrene-polydimethylsiloxane-polystyrene can be obtained by a hydrosilylation reaction between α,ω-dihydrogeno polydimethylsiloxane and ω-vinylsilane polystyrene molecules. The purpose of the present investigation was to establish by use of a model system, the optical conditions for the synthesis of three-block and multiblock copolymers: reaction temperature and concentrations of reactants and catalyst.

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