Aqueous radiation curable polyurethane compositions

Details Aqueous radiation curable polyurethane compositions Aqueous radiation curable polyurethane compositions

C - Chemistry, Metallurgy

08

G

C08G 18/67 (2006.01) C08G 18/08 (2006.01) C09D 175/16 (2006.01)

Patent

CA 2724315

The present invention relates to an aqueous composition comprising from 5 to 90 % by weight of a polymerizable ethylenically unsaturated water dispersible polyurethane (A) and from 1 to 60 % by weight relative to the weight of polyurethane (A) of a least one polymerizable ethylenically unsaturated compound (B) having a water solubility at 25 °C of less than 50 g/l, and it use for making high gloss coatings as well as wood stains.

La présente invention concerne une composition aqueuse comprenant de 5 à 90 % en poids dun polyuréthane à insaturation éthylénique polymérisable et diluable à leau (A) et de 1 à 60 % en poids par rapport au poids du polyuréthane (A) dau moins un composé à insaturation éthylénique polymérisable (B) ayant une solubilité dans leau à 25 °C inférieure à 50 g/l, et son utilisation pour la fabrication de revêtements ultrabrillants ainsi que de teintures à bois.

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