Self-adhering silicone compositions and preparations thereof

Details Self-adhering silicone compositions and preparations thereof Self-adhering silicone compositions and preparations thereof

1978-05-08

1979-07-31

Jacobs, Lewis T.

Stock material or miscellaneous articles

Composite

Of quartz or glass

260 37SB, 428447, 428450, 528 15, 528 22, C08L 8304

Patent

active

041630815

ABSTRACT:
Mixing vinyl-containing polydiorganosiloxane, an organosilicon compound containing silicon-bonded hydrogen atoms, a platinum catalyst, and an amidosiloxane provides a composition which exhibits improved adhesion to many substrates without the use of a primer when heat cured in contact with the substrate. An example of the amidosiloxane is ##STR1## The compositions have self-adhering properties and also exhibit an extended pot life. The compositions can be prepared by mixing the polydiorganosiloxane, platinum catalyst, and amidosiloxane into one package of a two package product and the organosilicon compound forms the other package. The two packages are mixed before use to form a curable product.

REFERENCES:
patent: 3699072 (1972-10-01), Clark et al.
patent: 3817909 (1974-06-01), Toporcer et al.
patent: 3873334 (1975-03-01), Lee et al.
patent: 3892707 (1975-07-01), Itoh et al.
patent: 3960800 (1976-06-01), Kohl
patent: 3996184 (1976-12-01), Klosowski

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