1965 Volume 38 Issue 12 Pages 2182-2186
Bromine was utilized in the presence of stoichiometric amount of pyridine to brominate silanic hydrogen of methylhydropolysiloxanes. Methylbromopolysiloxanes thus obtained and methylchloropolysiloxanes prepared from photo-chlorination of methylhydropolysiloxanes were hydrolyzed with or without methylchlorosilanes to yield new methylhydroxypolysiloxanes and branched methylpoly siloxanes. Preparation of methylhydrocyclopentasiloxanes was also reported.
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