Method for surface treatment of polyorganosiloxane gel-filled co

Details Method for surface treatment of polyorganosiloxane gel-filled co Method for surface treatment of polyorganosiloxane gel-filled co

1984-10-16

1985-07-09

Page, Thurman K.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4274071, 4274073, 427409, 427410, 4274121, 428448, 428450, B32B 2740, B05D 302

Patent

active

045282439

ABSTRACT:
Bubble migration from a surface of a container or other substrate into a polyorganosiloxane gel that is in contact with the surface can be substantially eliminated by coating the surface with a liquid composition comprising an organohydrogensiloxane containing at least three silicon-bonded hydrogen atoms per molecule. The liquid composition is covered with a layer of uncured silicone rubber that is curable by hydrosilation reaction in addition to being compatible with and adherent to the polyorganosiloxane gel. The gel is then placed over the uncured silicone rubber, after which the rubber and gel are concurrently cured. The cured silicone rubber exhibits a durometer hardness value of at least 10 on the Shore A scale, and the layer of silicone rubber is at least 3 mm. thick.

REFERENCES:
patent: 4070224 (1976-01-01), Zemlin et al.
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patent: 4163082 (1979-07-01), Romenesko
patent: 4278707 (1981-07-01), Biran
patent: 4332844 (1982-06-01), Hamada et al.
patent: 4477499 (1984-10-01), Doin et al.
patent: 4477517 (1984-10-01), Rummel
patent: 4478895 (1984-10-01), Makami et al.
patent: 4490496 (1984-12-01), Maekawa et al.

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