Patent ID: 8623985

Claim:
A siloxane composition X which can be polymerized and/or crosslinked by dehydrogenative condensation, the siloxane composition comprising: at least one organosiloxane monomer, oligomer and/or polymer B having, per molecule, at least one reactive ≡SiH unit; at least one organosiloxane monomer, oligomer and/or polymer C having, per molecule, at least one reactive ≡SiOH unit; a catalytically effective amount of at least one dehydrogenative condensation catalyst A which is a metal complex or salt of formula (I): [Zn(L 1 ) r1 (L 2 ) r2 ]; (1) with r1≧1 and r2≧0 and r1+r2=2, in which: the symbol L 1 represents a ligand which is a β-dicarbonylato anion or the enolate anion of a β-dicarbonyl compound or an acetylacetato anion derived from a β-ketoester, and the symbol L 2 represents an anionic ligand which is different than L 1 ; optionally at least one polyorganosiloxane resin D; and optionally at least one filler E.