One part curable compositions containing deactivated hydrosilati

Details One part curable compositions containing deactivated hydrosilati One part curable compositions containing deactivated hydrosilati

1994-01-10

1995-01-10

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 21, 528 23, C08G 7708

Patent

active

053808126

ABSTRACT:
The catalyst inhibitors of the present invention react with conventional platinum group metal-containing hydrosilation catalysts to from complexes that delay curing of compositions containing these complexes in the absence of oxygen and SiH-reactive hydroxylated compounds; the compositions comprise (1) curable compounds containing alkenyl radicals and/or silicon-bonded hydroxyl groups, (2) curing agents containing silicon-bonded hydrogen atoms, and (3) a platinum group metal-containing hydrosilation catalyst. Preferred inhibitors provide long term storage stability.

REFERENCES:
patent: 3188300 (1965-06-01), Chalk
patent: 3429580 (1966-05-01), Beck
patent: 3453234 (1969-07-01), Kookootsedes
patent: 4526954 (1985-07-01), Williams
patent: 4578497 (1986-03-01), Onopchenko
Journal of Chemistry Materials, 1989, 1, 106-114, "Preparation and Structure of Platinum Group Metal Colloids: Without Solvent".
J. Am. Chem. Soc., 112, 16, 5998 (1990).
Organometallics, vol. 9, 621-625, 1990.

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