Silicone elastomers and adhesion promoter therefor

Details Silicone elastomers and adhesion promoter therefor Silicone elastomers and adhesion promoter therefor

1985-07-12

1986-07-22

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 18, 528 19, 528 38, C08G 7704

Patent

active

046020780

ABSTRACT:
Composition comprising the product obtained by mixing (A) a silanol-terminated polydiorganosiloxane; (B) a silicon compound having at least 3 silicon-bonded alkoxy or alkoxyalkoxy groups in the molecule; (C) a metal or organometal salt of a carboxylic acid; (D) a silane having silicon-bonded alkoxy or alkoxyalkoxy groups and a silicon-bonded group, --R'NHR, in which R' is alkylene and R represents H, alkyl or an aliphatic hydrocarbon group containing at least one amino group, and (E) a silane having silicon-bonded alkoxy or alkoxyalkoxy groups and a silicon-bonded group containing an epoxy group.
The compositions cure to elastomers having improved adhesion to glass, aluminium and concrete and are suitable for use as sealants for buildings.

REFERENCES:
patent: 3888815 (1975-06-01), Bessmer et al.
patent: 4412035 (1975-10-01), Kurita

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