Storable crosslinkable organopolysiloxane molding compositions

Details Storable crosslinkable organopolysiloxane molding compositions Storable crosslinkable organopolysiloxane molding compositions

C - Chemistry, Metallurgy

08

F

402/16

C08F 283/12 (2006.01) C08K 5/5425 (2006.01) C08K 5/5435 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1186842

Storable crosslinkable organopolysiloxane molding compositions ABSTRACT OF THE DISCLOSURE In a plastic organosiloxane molding composition which in the absence of water is capable of being stored and in the presence of moisture is cross-linked to a rubber, the composition comprising a hydroxypolydior- ganosiloxane, a nitrogen base and heavy metal compound as cross-linking catalyst, and a cross-linking agent, the improvement which comprises employing as the cross- linking agent a compound of the formula Image or a partial hydrolysis product thereof, wherein R is an optionally substituted alkyl, alkenyl or aryl group, R1 is hydrogen or R, R2 is an acyl, carbalkoxy or carbaroxy group r R1, a is 1 - 3, and n is 0,1 or 2 and a + n ? 3. Upon curing no unpleasant odors are given off upon de- composition of the cross-linking agent.

410803

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