Inkjet ink compositions
AssigneeCabot Corporation
InventorsTianqi Liu, Robert J. Anderson, Jinqi Xu, Jodi A. Bates, Paul S. Palumbo
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Abstract
Disclosed herein inkjet ink compositions comprising: (a) a carbon black having the following properties: OAN≥170 mL/100 g; and STSA ranging from 160 to 220 m2/g; (b) at least one polymeric dispersant selected from polyoxyethylene/polyoxypropylene block copolymers, styrene-acrylic resins, styrene-methacrylic resins, styrene-maleic acid copolymers, and styrene-maleic anhydride copolymers; (c) at least one surfactant selected from ethoxylated siloxanes, succinic acid esters, and succinic acid salts; and (d) at least one polyurethane.
Claims29
An inkjet ink composition comprising:
- (a) a carbon black having the following properties:
- OAN≥170 mL/100 g;
- and
- STSA ranging from 160 to 220 m2/g,
- wherein the carbon black is modified with at least one attached organic group;
- (b) at least one polymeric dispersant selected from polyoxyethylene/polyoxypropylene block copolymers, styrene-acrylic resins, styrene-methacrylic resins, styrene-maleic acid copolymers, and styrene-maleic anhydride copolymers;
- (c) at least one surfactant selected from ethoxylated siloxanes, succinic acid esters, and succinic acid salts;
- and
- (d) at least one polyurethane.
An inkjet ink composition comprising:
- (a) a carbon black having the following properties:
- OAN≥170 mL/100 g;
- and
- STSA ranging from 160 to 220 m2/g;
- (b) at least one polymeric dispersant selected from polyoxyethylene/polyoxypropylene block copolymers, styrene-acrylic resins, styrene-methacrylic resins, styrene-maleic acid copolymers, and styrene-maleic anhydride copolymers;
- (c) at least one surfactant selected from ethoxylated siloxanes, succinic acid esters, and succinic acid salts;
- and
- (d) at least one polyurethane, wherein the at least one polyurethane is prepared from a polyester polyol, a polyether polyol, a polyhydroxy polycarbonate, a polyhydroxy polyacetal, a polyhydroxy polyacrylate, a polyhydroxy polyester amide, a polyhydroxy polyolefin, a polyhydroxy polydialkylsiloxane, or a polyhydroxy polythioether.
An inkjet ink composition comprising:
- (a) a carbon black having the following properties:
- OAN≥170 mL/100 g;
- and
- STSA ranging from 160 to 220 m2/g;
- (b) at least one polymeric dispersant selected from polyoxyethylene/polyoxypropylene block copolymers, styrene-acrylic resins, styrene-methacrylic resins, styrene-maleic acid copolymers, and styrene-maleic anhydride copolymers;
- (c) at least one surfactant selected from ethoxylated siloxanes, succinic acid esters, and succinic acid salts;
- and
- (d) at least one polyurethane, wherein the carbon black and the at least one polyurethane are present in a weight ratio ranging from about 10/1 to about 1/2.
Dependencies are inferred from the claim text.