Organopolysiloxane compositions having a reduced copper...

Details Organopolysiloxane compositions having a reduced copper... Organopolysiloxane compositions having a reduced copper...

C - Chemistry, Metallurgy

08

L

400/7218, 400/72

C08L 83/04 (2006.01) C08K 5/34 (2006.01) C08K 5/3445 (2006.01) C08K 5/3475 (2006.01) C08K 5/57 (2006.01)

Patent

CA 1272335

ORGANOPOLYSILOXANE COMPOSITIONS HAVING A REDUCED COPPER CORROSION PROPERTY Abstract of the Disclosure R o o m t e m p e r a t u r e v u l c a n i z a b l e organopolysiloxane composition, suitable for use as composition sealants or caulking compounds, are provided which exhibit improved stability and a reduced tendency to corrode copper upon contact resulting from the employment of an effective amount of a tin condensation catalyst having organo radicals attached to tin by carbon tin linkages and whose remaining valences are satisfied by a chelate radical or a dicarboxylate radical in combination with an organic triazole such as benzotriazole.

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