Aminoacrylates and a process for their preparation

Details Aminoacrylates and a process for their preparation Aminoacrylates and a process for their preparation

C - Chemistry, Metallurgy

07

C

C07C 219/08 (2006.01) C07C 69/54 (2006.01) C07C 227/06 (2006.01) C07C 229/12 (2006.01) C07C 229/14 (2006.01) C08F 299/02 (2006.01) C08G 65/332 (2006.01) C09D 4/00 (2006.01)

Patent

CA 2101769

AMINOACRYLATES AND A PROCESS FOR THEIR PREPARATION ABSTRACT OF THE DISCLOSURE The present invention relates to aminoacrylates which have a viscosity of 200 to 3000 mPa.s at 23°C and 100% solids, a content of olefinic double bonds (calculated as C-C, molecular weight - 24) of 8 to 20% by weight and a nitrogen content of 0.4 to 2.0% by weight, and which are prepared by an addition reaction by reacting at a molar ratio of primary amino groups from component a) to olefinic double bonds from component b) of 0.05:1 to 0.25:1 a) mono- or diamines having a molecular weight of 31 to 300 and having aliphatically bound amino groups with b) acrylic esters of polyhydric alcohols which have been prepared at a COOH/OH equivalent ratio of 0.8:1 to 1:1 from b1) acrylic acid and b2) ether-alcohols which have 3 or 4 hydroxyl groups and a molecular weight of 136 to 1000, possess at least one ethylene oxide unit -CH2-CH2-O- as part of the ether structure and do not contain propylene oxide units -CH2-CH(CH3)-O-. The present invention also relates to a process for the preparation these aminoacrylates.

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