Patent · US Expired

Powder paint compositions

US6084009A · kind A · utility

9Cited by
6References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1997
Grant dateJul 4, 2000
Priority date
Expiry dateApr 23, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S525/934
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A thermosetting powder paint composition comprising: PA1 (A) a (meth)acrylic copolymer having glycidyl groups; PA1 (B) a polybasic carboxylic acid and/or polybasic carboxylic anhydride; and PA1 (C) particles having a core/shell structure each comprising a core having Tg of 20.degree. C. or below, the core being covered at least partially with a shell having Tg of 40.degree. C. or above, and said shell having no glycidyl group. The paint composition is excellent in weather resistance as well as in impact resistance and chipping resistance.

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