Patent · US Expired

Coating composition comprising at least three components, it preparation and use

US6649688B1 · kind B1 · utility

32Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 2001
Grant dateNov 18, 2003
Priority date
Expiry dateJun 22, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/765
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A coating composition consisting of at least three components, comprising a component (I) comprising at least one hydroxyl-containing oligomeric or polymeric resin dispersed or dissolved in one or more organic, optionally water dilutable solvents, as binder (A), a component (II) comprising at least one polyisocyanate dispersed or dissolved in one or more organic, optionally water dilutable solvents, as crosslinking agent (F), and a component (III) which comprises water, wherein component (I) comprises at least one hydroxyl-containing polyacrylate resin (A) containing polyether sidegroups and/or endgroups of the general formula IY—(—O—R—)n—  (I)in which the index and variables have the following meanings:n=3 to 100;R=C2 to C6 alkanediyl and C3 to C8 cycloalkanediyl;Y=hydrogen atom or C1 to C4 alkyl;as binder (A).

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