Abstract: The present disclosure provides an aqueous dispersion containing a colorant and a polyurethane dispersant, wherein the polyurethane dispersant is a polymer having a cross-linkable moiety, wherein the cross-linkable moiety is cross-linked, with a cross-linking agent.

Abstract: This disclosure provides an ink jettable fixer ink including a water soluble or water dispersible amphoteric polymer, wherein the amphoteric polymer contains both a cationic charge and an anionic charge within the same molecule, wherein the mole ratio of cationic charge to anionic charge is greater than 1; wherein the ink jettable fixer ink does not contain a colorant; and wherein the amphoteric polymer forms a water insoluble solid precipitate when mixing with an anionic charged ink jet ink. These fixer inks when used with aqueous colorant containing ink jet inks give improved optical density and chroma.

Abstract: Disclosed herein is a process for preparation of an ultra high molecular weight polyethylene catalyst, comprising: (1) under inert atmosphere, dispersing a magnesium halide in an inert solvent; (2) adding an alcohol to react with the magnesium halide, to form a solution or dispersion of a magnesium halide-alcohol adduct; (3) adding an alkyl aluminum halide to react with the magnesium halide-alcohol adduct, to form an intermediate product; (4) optionally, subjecting the intermediate product to an ultrasonic wave treatment; (5) adding a titanium compound to perform Ti-supporting reaction; (6) optionally, subjecting the reaction mixture from step (5) to an ultrasonic wave treatment; and (7) recovering solid particles, to obtain the ultra high molecular weight polyethylene catalyst, wherein at least one of steps (4) and (6) is present.

Abstract: The present disclosure provides an aqueous dispersion comprising a solid particle and a structured vinyl polymeric dispersant, wherein said structured vinyl polymer dispersant comprises at least one hydrophilic segment and at least one hydrophobic segment, the hydrophilic segment comprising at least one crosslinkable moiety, wherein the crosslinkable moiety is cross-linked with a crosslinking agent that is substantially insoluble in the aqueous ink vehicle. These dispersions when used in ink jet inks provide images with the requisite optical density and chroma needed for emerging ink jet applications.

Abstract: A process for preparing a crossed-linked colorant dispersion is provided in which a partially neutralized dispersant polymer having a cross-linkable moiety is used as a dispersant for a colorant by reacting the cross-linkable moiety on the dispersant with a cross-linking agent.

Abstract: Inkjet inks are provided, in particular to smear resistant inkjet inks, and even more particularly to smear resistant pigmented aqueous inkjet inks comprising polyurethane dispersions and self-dispersing pigments. The polyurethane dispersions have a glass transition temperature Tg greater than ?30° C. to less than about 35° C. and has at least one of the following thermal properties loss modulus E? of 1.7 to 5×108 pascals, and/or a peak tan delta is 0.23 to 0.65, where the glass transition temperature, peak tan delta and the loss modulus are measured by dynamic mechanical analysis on a film prepared from the polyurethane dispersion.

Abstract: The present disclosure provides an ink-jet ink comprising an aqueous ink vehicle and an aqueous dispersion, the aqueous dispersion comprises a colorant and a polyurethane dispersant, wherein said polyurethane dispersant is comprised of a polymer having a cross-linkable moiety, wherein the cross-linkable moiety is cross-linked with a cross-linking agent.

Abstract: The present disclosure provides an aqueous dispersion comprising a colorant and a polyurethane dispersant, wherein said polyurethane dispersant is comprised of a polymer having a cross-linkable moiety, wherein the cross-linkable moiety is cross-linked with a cross-linking agent.

Abstract: Inkjet inks that have, as a principal component, a crosslinked polyurethane dispersoid binder additive with selected diols used to prepare the polyurethane. The diols include a polyether diol, an ionic diol and polycarbonate, polyamide and/or poly(meth)acrylate diols. These inks can be used for printing on different media, and are particularly suitable for printing on textiles. The printed textiles are particularly durable to wash fastness and crock.

Abstract: The present disclosure provides an aqueous ink jet ink comprising an ink vehicle and an aqueous dispersion, wherein the aqueous dispersion comprises a solid particle and a polymeric dispersant that has been crosslinked, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, and comprises at least 50% by weight of a monomer, having the following structure: CH2?CRC(O)O(CHR1CH2O)nR2; wherein R and R1 are H, or methyl; R2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 about 20; and the B block is a segment comprising an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant comprises a crosslinkable moiety; wherein the crosslinkable moiety is crosslinked with a crosslinking agent selected from the group consisting of epoxide, carbodiimide, oxazoline, isocyanate, and silane; and wherein the aqueous dispersion has a pH of at least about 8.0.

Abstract: The present disclosure provides method of ink jet printing onto a substrate comprising, in any workable order, the steps of: (a) providing an ink jet printer that is responsive to digital data signals; (b) loading the printer with a substrate to be printed; (c) loading the printer with an aqueous ink jet ink comprising an ink vehicle and an aqueous dispersion, wherein the aqueous dispersion comprises a solid particle and a polymeric dispersant that has been crosslinked, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, and comprises at least 50% by weight of a monomer, having the following structure: CH2?CRC(O)O(CHR1CH2O)nR2; wherein R and R1 are H, or methyl; R2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 about 20; and the B block is a segment comprising an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant comprises a crosslinkable moiety; where

Abstract: The present disclosure provides an aqueous dispersion comprising a solid particle and a polymeric dispersant, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, and comprises at least 50% by weight of a monomer having the following structure: CH2?CRC(O)O(CHR1CH2O)nR2; wherein R and R1 are H, or methyl; R2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 about 20; and the B block is a segment comprising an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant comprises a crosslinkable moiety; wherein the crosslinkable moiety is crosslinked with a crosslinking agent selected from the group consisting of epoxide, carbodiimide, oxazoline, isocyanate, and silane; and wherein the aqueous dispersion has a pH of at least about 8.0.

Abstract: The present invention relates to urea-terminated polyurethanes dispersants based on diols and polyether diols, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants. The urea termination can have nonionic hydrophilic substituents.

Abstract: Inkjet inks that have, as principal components, a post printing curing agent and a crosslinked polyurethane dispersoid binder additive with selected diols used to prepare the polyurethane. The diols include a polyether diol, an ionic diol and polycarbonate, polyamide and poly(meth)acrylate diols. These inks can be used for printing on different media, and are particularly suitable for printing on textiles. The printed textiles are particularly durable too key wash fastness and crock testing.

Abstract: The present invention relates to urea terminated polyurethane dispersants based on certain diols which have grafted alkyl, aryl or fluoroalkyl substituents, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants.

Abstract: The present invention relates to urea terminated polyurethane dispersants based on selected diols, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions, and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants. The urea termination can have nonionic hydrophilic substituents.

Abstract: The disclosure provides an ink set comprising an ink jettable ink and an ink jettable fixer ink comprising: an aqueous colorant containing ink jettable ink; and a fixer ink comprising: (i) a multivalent metal salt, wherein the metal is selected from the group consisting of divalent metal ions, trivalent metal ions, and mixtures thereof; and (ii) a salt stable, water soluble, predominantly non-ionic, polymeric binder selected from the group consisting of a polyurethane comprising an ethylene oxide unit, and a methoxylated carboxylated polyallylamine; wherein the polymeric binder is substantially non-reactive with the colorant. The colorant comprises a dye, a self dispersed pigment or a pigment dispersion. These inks have enhanced coloristic and durability properties.

Abstract: Inkjet inks that have, as a principal component, a crosslinked polyurethane dispersoid binder additive with selected diols used to prepare the polyurethane. The diols include a polyether diol, an ionic diol and polycarbonate, polyamide and/or poly(meth)acrylate diols. These inks can be used for printing on different media, and are particularly suitable for printing on textiles. The printed textiles are particularly durable to wash fastness and crock.

Abstract: Inkjet inks that have, as a principal component, a crosslinked polyurethane dispersoid binder additive with selected diols used to prepare the polyurethane. The diols include a polyether diol, an ionic diol and polycarbonate, polyamide and/or poly(meth)acrylate diols. These inks can be used for printing on different media, and are particularly suitable for printing on textiles. The printed textiles are particularly durable to wash fastness and crock.

Abstract: Inkjet inks are described that have, as a principal component, a crosslinked poly-urethane dispersoid binder additive. These inks can be used for printing on different media, and are particularly suitable for printing on paper.