LOW-CURE POWDER COATINGS AND METHODS FOR USING THE SAME

Title:

LOW-CURE POWDER COATINGS AND METHODS FOR USING THE SAME

Document Type and Number:

WIPO Patent Application WO2003102044

Kind Code:

A3

Abstract:

Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure: formula (I) wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is formula (II) and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.

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Inventors:

CHASSER ANTHONY M
DUFFY SHAWN P
AMBROSE RONALD R

Application Number:

PCT/US2003/014366

Publication Date:

March 25, 2004

Filing Date:

May 06, 2003

Export Citation:

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Assignee:

PPG IND OHIO INC (US)

International Classes:

C07C275/26; C08F20/00; C08G18/28; C08G18/32; C08G18/75; C08G18/80; C08G59/62; C08G59/68; C09D5/03; C09D163/02; C09D163/10; (IPC1-7): C08G59/68; C07C275/14; C08L63/00; C08G18/28; C09D5/03

Foreign References:

US5569733A	1996-10-29
DE19512479A1	1996-10-10
EP0594133A2	1994-04-27
US4324739A	1982-04-13
EP0138769A2	1985-04-24

Other References: