Patent · US Expired

Coating substrate with atom transfer radical polymerized carboxyl polymer and polyepoxide

US6391391B1 · kind B1 · utility

3Cited by
16References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 2001
Grant dateMay 21, 2002
Priority date
Expiry dateMay 15, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L63/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A thermosetting composition comprising a co-reactable solid, particulate mixture of (a) polycarboxylic acid functional polymer, and (b) epoxide functional crosslinking agent having at least two epoxide groups, e.g., triglycidyl isocyanurate (TGIC), is described. The polycarboxylic acid functional polymer is prepared by atom transfer radical polymerization and has well defined polymer chain architecture and polydispersity index of less than 2.0. The thermosetting compositions of the present invention have utility as powder coatings compositions.

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