Patent · US Expired

Clear powder coating

US6342274B1 · kind B1 · utility

2Cited by

2References

14Claims

0Family size

Assignee

BASF COATINGS GMBH · DE

Inventors

Stephan Schwarte · Münster, DE
Joachim Woltering · Hachenburg, DE
Hubert Baumgart · Hachenburg, DE

Key dates

Filing date	May 8, 2000
Grant date	Jan 29, 2002
Priority date	—
Expiry date	May 8, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L61/32
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a transparent powder coating material comprisinga) at least one epoxy-containing binder with a content of from 20 to 45% by weight, preferably from 25 to 40% by weight of glycidyl-containing monomers and with or without a content of vinylaromatic compounds, preferably styrene,b) tris(alkoxycarbonylamino)triazine and polycarboxylic acids, preferably straight-chain aliphatic dicarboxylic acids and/or carboxy-functional polyesters, as crosslinking agents, andc) if desired, catalysts, auxiliaries, additives typical for transparent powder coating materials, such as degassing agents, levelling agents, UV absorbers, free-radical scavengers, antioxidants.

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