Process for preparing mono and polyaspartates

Details Process for preparing mono and polyaspartates Process for preparing mono and polyaspartates

C - Chemistry, Metallurgy

07

C

C07C 229/24 (2006.01) C07C 227/18 (2006.01) C07F 7/10 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 73/02 (2006.01) C09D 175/12 (2006.01)

Patent

CA 2209131

The present invention relates to a new process for preparing mono and polyaspartates from primary mono and polyamines and maleates in presence of five-membered aromatic ring compounds containing nitrogen atoms in the ring structure as catalysts and use of these mono and polyaspartates as reactive components for polyisocyanates in two-component polyurethane coating compositions and for preparing polyurethane prepolymers.

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