Silicone release coating emulsions which stratify when baked

Details Silicone release coating emulsions which stratify when baked Silicone release coating emulsions which stratify when baked

1986-01-13

1987-12-15

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525443, 525446, 525474, 525509, 525514, C08J 000

Patent

active

047134100

ABSTRACT:
A heat curable aqueous emulsion coating composition is disclosed which is adapted to deposit a release coating which stratifies to allow less silicone to effectively coat a given surface area. This emulsion comprises water containing: (1) a fatty acid or fatty alcohol-containing hydroxy-functional polyester having a hydroxy value of at least about 40 and which is a free flowing liquid at room temperature; (2) a cross-linking agent for said hydroxy resin; and (3) at least one silicone reactive with said hydroxy-functional resin and/or said cross-linking agent to provide a release function. The hydroxy-functional polyester and the cross-linking agent serve to emulsify the silicones in the aqueous phase of the emulsion.

REFERENCES:
patent: 4320172 (1982-03-01), Takamizawa et al.
patent: 4370441 (1983-01-01), Gaske et al.
patent: 4417006 (1983-11-01), Graziano et al.
patent: 4618657 (1986-10-01), Katchko et al.

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