Rtv polyorganosiloxane compositions yielding paintable...

Details Rtv polyorganosiloxane compositions yielding paintable... Rtv polyorganosiloxane compositions yielding paintable...

C - Chemistry, Metallurgy

08

G

402/15, 117/240

C08G 77/06 (2006.01) C08G 77/18 (2006.01)

Patent

CA 1216095

TITLE: RTV POLYORGANOSILOXANE COMPOSITIONS YIELDING PAINTABLE ELASTOMERS Abstract Cured elastomers prepared by the reaction of a hydroxyl-terminated polyorganosiloxane with curing agents containing silicon-bonded aminoxy and/or amido groups can be painted when a dialkoxysilane of the formula X'R1SiR2(OR3)2 is present in the curable composition. In the foregoing formula R1 is alkylene, haloalkylene or oxyalkylene, R2 and R3 are individually hydrocabon, alkoxy-hydrocarbon or halohydrocarbon radicals and X' is glycidoxy, mercapto, acryloxy, methacryloxy, NH2, -N(C2H5)2 or -N(H)CH2CH2NH2.

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