Patent · US Expired

Aqueous coating composition and coating

US5227422A · kind A · utility

36Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1991
Grant dateJul 13, 1993
Priority date
Expiry dateAug 21, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L75/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Desclosed is an aqueous coating composition characterized in that the composition consists essentially of: PA0 (A) a resin for use in aqueous coating compositions, PA0 (B) a urethane resin emulsion, and PA0 (C) crosslinking agent, PA0 the component (B) being an aqueous dispersion of a polyurethane resin prepared by reacting (a) an aliphatic polyisocyanate and/or an alicyclic polyisocyanate, (b) a high-molecular-weight polyol, (c) an .alpha.,.alpha.-dimethylolmonocarboxylic acid, and when required, (d) a chain lengthening agent and/or a polymerization terminator, and subsequently neutralizing the carboxyl with (e) a primary monoamine and/or a secondary monoamine.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.