Weatherable powder coatings

Details Weatherable powder coatings Weatherable powder coatings

1994-06-13

1995-02-28

Acquah, Samuel A.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

528272, 528296, 528307, 525437, 525440, 525444, 525934, 428482, B32B 1900, C08F 2000

Patent

active

053936094

ABSTRACT:
This invention provides weatherable thermosetting powder coating compositions based on 1,2-cyclohexanedicarboxylic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol. Coatings from this invention exhibit far superior QUV (313 bulb) resistance than compositions based on resins prepared from 1,3-and 1,4-cyclohexanedicarboxylic acid and are 20 times better than standard aromatic resin using the same cross-linking chemistry.

REFERENCES:
patent: 3313777 (1967-04-01), Elam et al.
patent: 4363908 (1982-12-01), Joyner et al.
patent: 4525504 (1985-06-01), Morris et al.
patent: 4859760 (1989-08-01), Light, Jr. et al.
patent: 4910292 (1990-03-01), Blount
patent: 5097006 (1992-03-01), Kapilow et al.
patent: 5256761 (1993-10-01), Blount, Jr.

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