Pigment dispersing agent

Claim 2

A pigment dispersing agent consisting of a product obtained by reacting the following component A, with the following component B at a mol ratio of component A, to component B of 1:1 - 1:40. Component A 1 : an amine compound containing one or more amino group and/or imino group in its molecule and having a weight average molecular weight of 60-30,000 and an amine value of 50-2,000 mg KOH/g; Component B: an acrylic copolymer having a weight average molecular weight of 2,000 - 100,000 and a hydroxyl value of 5 - 200 and containing one of glycidyl group (component B 1 ), acetoacetoxy group (component B 2 ) and cyclocarbonate group (component B 3 ) in a functional group number of 0.7 - 3.0 on average per molecule as a side chain, provided that 1 mol of glycidyl group is considered to be 1 mol of hydroxyl group in the calculation of hydroxyl value.

Claim 3

A pigment dispersing agent consisting of a product obtained by reacting the following component A 2 and component B with one of the following six components C at a mol ratio of component A 2 to component B to component C of 1:1:1 - 1:40:40. Component A 2 : an amine compound containing one or more amino group or two or more imino group or one or more amino and imino groups in its molecule and having a weight average molecular weight of 60-30,000 and an amine value of 50-2,000 mg KOH/g; Component B: an acrylic copolymer having a weight average molecular weight of 2,000-100,000 and a hydroxyl value of 5-200 and containing one of glycidyl group (component Bi), acetoacetoxy group (component B 2 ) and cyclocarbonate group (component B 3 ) in a functional group number of 0.7-3.0 on average per molecule as a side chain, provided that 1 mole of glycidyl group is considered to be 1 mol of hydroxyl group in the calculation of hydroxyl value; Component C: a polyester resin of the following structures having a weight average molecular weight of .1,000-30,000 and containing isocyanate group or acetoacetoxy group in its terminal R 1 -O-(CO-R 2 -O) n -CO-NH-R 3 -NCO (Ci) R 1 -O-(CO-R 2 -O) n -CO-CH 2 -CO-CH 3 (C 2 ) R 1 -O-(CO-R 4 -COO-CHR 5 -CHR 6 -O) n -CO-NH-R 3 -NCO (C 3 ) R 1 -O-(CO-R 4 -COOH-CHR 5 -CHR 6 -O) n -CO-CH 2 -CO-CH 3 (C4) R 1 -CO-(O-CHR 5 -CHR 6 -O-COR 4 -CO) n -O-CHR 5 -CHR 6 -OCO-NH-R 3 -NCO (Cs) R 1 -CO-(O-CHR 5 -CHR 6 -O-COR 4 -CO) n -O-CHR 5 -CHR 6 -OCO-CH 2 COCH 3 (C 6 ) R 1 : aliphatic, alicyclic or aromatic hydrocarbon group having a carbon number of 1-18, R 2 : alkylene group having a carbon number of 1-7, R 3 : residual group of aliphatic, alicyclic or aromatic diisocyanate having a carbon number of 6-20, R 4 : Residual group of aliphatic, alicyclic or aromatic acid anhydride having a carbon number of 2-20, R s , R 6 : hydrogen atom, aliphatic, alicyclic or aromatic hydrocarbon group having a carbon number of 1-20, -CH 2 -O-R 1 group or -CH 2 -OCO-Ri group n : an integer of 1 or more.

Claim 4

A pigment dispersing agent consisting of a product obtained by reacting the following component A 2 and component B with one of the following six components C at a mol ratio of component A 2 to component B to component C of 1:1:1 - 1:40:40. Component A 2 : an amine compound containing one or more amino group or two or more imino group or one or more amino and imino groups in its molecule and having a weight average molecular weight of 60-30,000 and an amine value of 50-2,000 mg KOH/g; Component B: an acrylic copolymer having a weight average molecular weight of 2,000-100,000 and a hydroxyl value of 5-200 and containing one of glycidyl group (component Bi), acetoacetoxy group (component B 2 ) and cyclocarbonate group (component B 3 ) in a functional group number of 0.7-3.0 on average per molecule as a side chain, provided that 1 mole of glycidyl group is considered to be 1 mol of hydroxyl group in the calculation of hydroxyl value; Component C: a polyester resin of the following structures having a weight average molecular weight of .1,000-30,000 and containing isocyanate group or acetoacetoxy group in its terminal R 1 -O-(CO-R 2 -O) n -CO-NH-R 3 -NCO (Ci) R 1 -O-(CO-R 2 -O) n -CO-CH 2 -CO-CH 3 (C 2 ) R 1 -O-(CO-R 4 -COO-CHR 5 -CHR 6 -O) n -CO-NH-R 3 -NCO (C 3 ) R 1 -O-(CO-R 4 -COOH-CHR 5 -CHR 6 -O) n -CO-CH 2 -CO-CH 3 (C4) R 1 -CO-(O-CHR 5 -CHR 6 -O-COR 4 -CO) n -O-CHR 5 -CHR 6 -OCO-NH-R 3 -NCO (Cs) R 1 -CO-(O-CHR 5 -CHR 6 -O-COR 4 -CO) n -O-CHR 5 -CHR 6 -OCO-CH 2 COCH 3 (C 6 ) R 1 : aliphatic, alicyclic or aromatic hydrocarbon group having a carbon number of 1-18, R 2 : alkylene group having a carbon number of 1-7, R 3 : residual group of aliphatic, alicyclic or aromatic diisocyanate having a carbon number of 6-20, R 4 : Residual group of aliphatic, alicyclic or aromatic acid anhydride having a carbon number of 2-20, R s , R 6 : hydrogen atom, aliphatic, alicyclic or aromatic hydrocarbon group having a carbon number of 1-20, -CH 2 -O-R 1 group or -CH 2 -OCO-Ri group n : an integer of 1 or more.