C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/03 (2006.01) C09D 7/12 (2006.01)
Patent
CA 2228955
A description is given of powder coating compositions comprising a) an organic film-forming binder and b) as stabilizer at least one compound of the benzofuran-2-one type. Powder coating compositions stabilized in this way reduce the discoloration of coatings during thermal curing, especially gas oven curing.
On décrit des compositions de revêtement en poudre comprenant a) un liant organique filmogène et b) un stabilisant contenant au moins un composé de type benzofuran-2-one. Les compositions de revêtement en poudre ainsi stabilisées se caractérisent par une décoloration réduite du revêtement pendant la cuisson thermique, surtout la cuisson au four à gaz.
Laver Hugh Stephen
Nesvadba Peter
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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