Patent · US Expired

Resin composition for powder coating, powder coating, and coated article therewith

US6613840B2 · kind B2 · utility

3Cited by
3References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2001
Grant dateSep 2, 2003
Priority date
Expiry dateFeb 5, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31551
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A resin composition for a powder coating, which comprises a non-crystalline polyester resin (A) having a carboxyl group, a crystalline polyester polyurethane resin (B) and a curing agent (C) made of a compound having a functional group reactable with the carboxyl group as an essential component, yields a powder coating which is highly suitable for practical use, the powder coating having superior storage stability (blocking resistance) and forming a coating film having superior smoothness under low temperature curing conditions.

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