Silicone compositions comprising long chain .alpha.-acetylenic a

Details Silicone compositions comprising long chain .alpha.-acetylenic a Silicone compositions comprising long chain .alpha.-acetylenic a

1995-09-11

1997-05-13

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 15, 524837, C08F28300

Patent

active

056293879

ABSTRACT:
Stable curable silicone compositions, well suited for the deposition of release coatings onto a wide variety of substrates, for example paper or plastic films, comprise a hydrosilylation-curable polyorganosiloxane oil and/or at least one Si alkenylated organopolysiloxane resin and, optionally, at least one organohydrosiloxane resin, an SiH crosslinking agent therefor, a hydrosilylation-inhibiting amount of a long chain acetylenic alcohol, advantageously having a boiling point higher than 250.degree. C., and a catalytically effective amount of a hydrosilylation catalyst, e.g., platinum or a platinum compound/complex.

REFERENCES:
patent: 3445420 (1969-05-01), Kookootsedes et al.
patent: 5082894 (1992-01-01), Vanwert
patent: 5270425 (1993-12-01), Vanwert
Chemical Abstracts, vol. 113, No. 8, Aug. 20, 1990, Columbus, Ohio; abstract No. 61033m, Hara, Yusuaki "Retardation effect by acetylene derivatives, etc.", & Nippon Kagaku Kaishi, No. 5, 1990, pp. 541-546.

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