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US 4,305,979 AGranted
Process for curing coated film
AssigneeKansai Paint Co., Ltd.
InventorsTakayuki Isarai, Tukasa Hanada
Life of this patent
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Abstract
A process for curing a coated film of an alkyl silicate type zinc rich paint, which comprises coating a substrate with an alkyl silicate type zinc rich paint, and then treating the resulting coated film with an aqueous liquid containing a basic substance, thereby to promote the curing of the coated film.
Claims10
A process for curing a coated film of an alkyl silicate type zinc rich paint, which comprises coating a substrate with an alkyl silicate type zinc rich paint;
- treating the resulting coated film with a water-soluble type water paint containing a water-soluble basic substance and a vehicle resin selected from the group consisting of carboxyl-containing alkyd resins, carboxyl-terminated polyester resins, carboxyl-containing acrylic resins and coumarone resins or petroleum resins into which a carboxyl group has been introduced, or a water-dispersible type water paint containing a water-soluble basic substance and an oxidation-curable emulsion, an epoxy emulsion or an alkyd resin emulsion, and then drying and curing the resulting coated film at ordinary temperatures or under heating, up to about 100.degree. C.
Dependencies are inferred from the claim text.