CURABLE ORGANOPOLYSILOXANE COMPOSITIONS COMPRISING SILICONE BASE AND A PENTACOORDINATE TIN (IV) MONO BETA-DIKETONE CHELATE AS CATALYST

摘要

An organopolysiloxane composition comprising a base capable of curing by polycondensation reactions and a catalytically effective quantity of a tin catalyst which is the product of reaction of a tin salt with a beta -dicarbonyl compound. …??The organopolysiloxane composition may be formulated in one or in two packs and can be employed in particular for producing seals in the building industry.