Reaction conditions have been developed to allow the Heck
The resulting polymers were coupled by hydrosilylation reactions in the presence of Pt(0) catalyst. These macromonomers were successfully used to form highly branched polysiloxanes. To optimize conditions of the coupling reaction, solution concentration of the reaction was varied from 20 % to 100 % and the vinyl content of the macromonomers was varied from 11 mol% to 52 mol%.
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