| http://www.w3.org/ns/prov#value | - Such prepolymers will comprise vinyl radicals and hydride radicals which serve as cross-linking sites during the chain extension and cross-linking reaction and are of the general formulation comprising polydihydrocarbyl-co-vinylhydrocarbylsiloxane and polydihydrocarbyl-co-hydrocarbylhydrogensiloxanes wherein the hydrocarbyl radicals are monovalent hydrocarbon radicals such as alkyl radicals having
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