Non-crystalline, ethylenically unsaturated polyurethane

Details Non-crystalline, ethylenically unsaturated polyurethane Non-crystalline, ethylenically unsaturated polyurethane

C - Chemistry, Metallurgy

08

G

C08G 18/67 (2006.01) C08G 18/73 (2006.01) C08G 18/79 (2006.01) C09D 175/14 (2006.01) C09D 175/16 (2006.01)

Patent

CA 2252767

The present invention relates to ethylenically unsaturated polyurethanes which i) are substantially free from isocyanate groups, ii) are liquid at 25°C, iii) have a total content of ethylenically unsaturated groups (calculated as C=C, MW 24) of 1 to 20% by weight and iv) contain the reaction product of 4-isocyanatomethyl-1,8-octamethylene diisocyanate (NTI) with a hydroxyalkyl (meth)acrylate. The present invention also relates to a one-component coating composition containing these ethylenically unsaturated polyurethanes.

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