C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/04 (2006.01) B05D 3/02 (2006.01) C08G 18/18 (2006.01) C08G 18/79 (2006.01)
Patent
CA 2417474
Disclosed are low-temperature-curable, solid polyurethane powder coating compositions containing uretdione groups and processes for preparing such compositions. The powder coating compositions contain quaternary ammonium hydroxides or fluorides as catalysts. The coating compositions of the invention are useful for producing plastics, especially powder coatings, which crosslink to high-gloss or matt, light- and weather-stable coating films.
Loesch Holger
Spyrou Emmanouil
Wenning Andreas
Degussa Ag
Fetherstonhaugh & Co.
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