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US 2001/0012871 A1Published application
Ink jet printing compositions
AssigneeXerox Corporation
InventorCheryl A. Hanzlik
Life of this patent
Estimating the term…
Abstract
Disclosed is an ink composition which comprises (a) water, (b) a surfactant selected from those of formula I 1 or formula II 2 or formula III 3 and (c) a dye selected from of (1) C.I. Solvent Black 29; (2) C.I. Solvent Blue 70; (3) C.I. Solvent Blue 25; (4) C.I. Solvent Yellow 82; (5) C.I. Solvent Yellow 29; (6) C.I. Solvent Red 49; or (7) mixtures thereof.
Claims20
An ink composition which comprises (a) water, (b) a surfactant selected from (1) those of formula I 14
- wherein the values of x, x′, and y are each such that the molecular weight of the polypropylene oxide block of the compound is from about 900 to about 1,050, the ethylene oxide segments make up from about 45 to about 55 percent by weight of the compound, the average number of propylene oxide groups per molecule is from about 15 to about 18, and the total molecular weight is from about 1,800 to about 2,000;
- (2) those of formula I wherein the values of x, x′, and y are each such that the molecular weight of the polypropylene oxide block of the compound is from about 3,000 to about 3,600, the ethylene oxide segments make up from about 35 to about 45 percent by weight of the compound, the average number of propylene oxide groups per molecule is from about 51 to about 62, and the total molecular weight is from about 5,000 to about 6,000;
- (3) those of formula II 15
- wherein the values of x, x′, x″, x″′, y, y′, y″, and y″′ are each such that the total molecular weight of the polypropylene oxide blocks of the compound is from about 3,900 to about 4,500, the ethylene oxide segments make up from about 35 to about 45 percent by weight of the compound, the average number of propylene oxide groups per molecule is from about 67 to about 78, and the total molecular weight is from about 6,500 to about 7,500;
- (4) those of formula II wherein the values of x, x′, x″, x″′, y, y′, y″, and y″′ are each such that the total molecular weight of the polypropylene oxide blocks of the compound is from about 2,500 to about 3,600, the ethylene oxide segments make up from about 35 to about 45 percent by weight of the compound, the average number of propylene oxide groups per molecule is from about 43 to about 62, and the total molecular weight is from about 4,150 to about 6,000;
- (5) those of formula III 16
- wherein the values of x, x′, and y are each such that the molecular weight of the polypropylene oxide block of the compound is from about 800 to about 1,200, the ethylene oxide segments make up from about 45 to about 55 percent by weight of the compound, the average number of propylene oxide groups per molecule is from about 13 to about 21, and the total molecular weight is from about 1,600 to about 2,400;
- or (6) mixtures thereof, and (c) a dye selected from (1) C.I. Solvent Black 29;
- (2) C.I. Solvent Blue 70;
- (3) C.I. Solvent Blue 25;
- (4) C.I. Solvent Yellow 82;
- (5) C.I. Solvent Yellow 29;
- (6) C.I. Solvent Red 49;
- or (7) mixtures thereof.
11 more elements
Dependencies are inferred from the claim text.