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US 8,772,407 B2Granted
One component polysiloxane coating compositions and related coated substrates
AssigneePPG Industries Ohio, Inc.
InventorNorman R. Mowrer
Life of this patent
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Abstract
Disclosed are one-component low temperature, moisture curable, storage stable coating compositions that include a silanol-functional silicone; an alkoxy-functional silicone; a flexibilizer comprising a reaction product of two or more reactants; and a curing agent selected from amines, aminosilanes, ketimines, aldimines, and combinations thereof. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and methods for coating substrates with such compositions.
Claims11
A coating composition comprising:
- (a) a silanol-functional silicone having a weight average molecular weight in the range of from 200 to 7,000;
- (b) an alkoxy-functional silicone having a weight average molecular weight in the range of from 800 to 2,500;
- (c) a flexibilizer comprising a reaction product of reactants comprising a hydroxyl functional resin and an isocyanate-functional silane;
- (d) a curing agent;
- and
- (e) an organo tin material comprising a dilaurate and/or a diacetate to accelerate cure of the composition at ambient temperature,
- wherein the composition is a one-component, storage stable composition.
4 more elements
A coating composition comprising:
- (a) a silanol-functional silicone having a weight average molecular weight in the range of from 200 to 7,000;
- (b) an alkoxy-functional silicone having a weight average molecular weight in the range of from 800 to 2,500;
- (c) a flexibilizer comprising a reaction product of reactants comprising a hydroxyl functional acrylic resin and an isocyanate-functional silane;
- (d) a curing agent;
- and
- (e) an organo tin material comprising a dilaurate and/or a diacetate to accelerate cure of the composition at ambient temperature,
- wherein the composition is a one-component, storage stable composition.
4 more elements
Dependencies are inferred from the claim text.