Ultra-high-solids acrylic coatings

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 8/00 (2006.01) C08F 8/30 (2006.01) C08F 283/00 (2006.01) C08F 283/01 (2006.01) C08F 283/04 (2006.01) C08F 283/06 (2006.01) C08F 290/14 (2006.01) C08G 18/62 (2006.01) C08J 3/00 (2006.01) C08K 3/20 (2006.01) C08K 5/07 (2006.01) C08L 61/00 (2006.01) C08L 61/20 (2006.01) C08L 75/00 (2006.01) C08L 83/00 (2006.01) C09D 133/04 (2006.01) C09D 133/06 (2006.01) C09D 151/08 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2380023

An ultra-high solids coating composition is disclosed. The composition comprises a polyol blend of a liquid acrylic polyol and a resinous polyol. The polyol blend is crosslinked with a multifunctional isocyanate, melamine, or silane to form a variety of coatings. The coating composition has a significantly higher solid % than that is formulated from a single resin that has similar composition of the combination of the polyol blend. The coatings include less than about 35 % by weight of an organic solvent.

La présente invention concerne une composition de revêtement à très grande résistance. Cette composition est constituée d'un mélange de polyol acrylique liquide et de polyol résineux. Le mélange de polyols est réticulé à l'aide d'un isocyanate à fonctions multiples, de mélamine, ou de silane afin de former une variété de revêtements. La composition de revêtement possède un pourcentage de solides passablement pus élevé que les compositions formulées à partir d'une seule résine présentant une composition semblable à celle du mélange de polyols. Les revêtements comportent, environ, moins de 35 % en poids de solvant organique.

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