Primer compositions

Details Primer compositions Primer compositions

1997-12-04

1999-11-16

Marquis, Melvyn I.

Coating processes

With post-treatment of coating or coating material

Heating or drying

528 15, 528 17, 528 24, 528 31, 524265, 524267, 524268, B05D 302

Patent

active

059853719

ABSTRACT:
The invention provides a primer composition comprising (I) an organoalkoxysilane or siloxane, (II) an organohydrogensiloxane having an SiH group and an alkoxysilyl group, and (III) an organic titanate. Also provided is a primer composition comprising (A) an alkenyl-containing organopolysiloxane, (B) an organopolysiloxane, (C) an organoalkoxysilane or siloxane, (D) an organohydrogensiloxane having an SiH group and an alkoxysilyl group, (E) a platinum catalyst, (F) an organic titanate, and (G) an organic peroxide. The primer compositions have sufficient adhesion to join thermoset silicone rubber to various substrates.

REFERENCES:
patent: 4332844 (1982-06-01), Hamada et al.
patent: 5470923 (1995-11-01), Krahnke et al.

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