Patent · US Expired

Curable coating compositions and their preparation and use

US4925893A · kind A · utility

8Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1988
Grant dateMay 15, 1990
Priority date
Expiry dateJun 30, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D4/06
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Aqueous-based, film-forming and ambient-temperature autoxidisably crosslinkable coating composition comprising an aqueous latex of a film-forming copolymer having residual unsaturation for autoxidative cross-linking puuposes, an autoxidation catalyst, preferably a drier salt, and optionally a multi-functional crosslinking material, wherein the copolymer has a gel fraction of at least 5% by weight which has been formed by the early addition of a multi-functional comonomer in the copolymerization, with a low reactivity multi-functional comonomer being added late in the copolymerization to provide the residual unsaturation.

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