C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/02 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 18/50 (2006.01) C08G 18/70 (2006.01) C09D 175/12 (2006.01)
Patent
CA 2222481
The present invention is directed to an aqueous coating composition having a solids content of 20 to 96% by weight and containing a) ~a polyisocyanate component which is dispersible in water and has an average NCO functionality of 2 to 6 and b) ~a polyaspartate corresponding to the formula (see formula I)~ and c) ~water, which is present in an amount of at least 4% by weight, based on the solids content of components a) and b), wherein components a) and b) are present in an amount sufficient to provide an equivalent ratio of isocyanate groups to amino groups of at least 0.9:1.
Corporation Bayer
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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