C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 167/06 (2006.01) C08F 283/01 (2006.01) C08F 299/04 (2006.01) C09D 5/03 (2006.01) C09D 7/12 (2006.01)
Patent
CA 2250901
They comprise: (a) a polyester resin which is a hydroxylated or carboxylated polyester with unsaturation in its chain, and (b) an organic peroxide with a minimum curing temperature of between 140 and 190 °C; the relative proportions of resin and organic peroxides being 55 - 60 % by weight of resin based on the final composition and 0.5 - 3.0 % by weight of organic peroxide based on the final formulation. These systems find their main application in the manufacture of powder coatings for the coating of temperature sensitive substrates like plastics and metallic substrates, especially aluminium substrates, using the systems currently existing in industry.
Ces systèmes comprennent: (a) une résine polyester qui est un polyester hydroxylé ou carboxylé à chaîne insaturée, et (b) un peroxyde organique qui est un agent de durcissement dans une plage minimale de température comprise entre 140 et 190 DEG C, dans des proportions qui sont pour la résine de l'ordre de 55 à 60 % en poids de la composition finale, et pour le peroxyde organique de l'ordre de 0,5 à 3,0 % en poids de la formulation finale. Ces systèmes trouvent leur principale application dans la fabrication de revêtements en poudre destinés à recouvrir des substrats thermosensibles, tels que des substrats en matière plastique et métalliques, et notamment des substrats en aluminium, et ce au moyen de techniques couramment utilisées dans l'industrie.
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
LandOfFree
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