Latex comprising colorant and methods of making the same
AssigneeXerox Corporation
InventorsValerie M. Farrugia, Mihaela Maria Birau
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Abstract
A process includes forming an emulsion comprising a monomer and a colorant, the colorant further including an anionic functional group and a lipophilic counter ion, and polymerizing the monomer to form a latex, the latex includes polymer nanoparticles having the colorant dispersed therein.
Claims19
A latex comprising copolymer nanoparticles having an organic colorant dispersed within a matrix of the copolymer nanoparticles, wherein the organic colorant comprises an anionic functional group and a lipophilic counter ion.
A latex comprising copolymer nanoparticles having an organic colorant dispersed within a matrix of the copolymer nanoparticles, wherein the organic colorant comprises an anionic functional group and a lipophilic counter ion, and further wherein the copolymer nanoparticles comprise polymerized monomers selected from the group consisting of a styrene, an acrylate, a methacrylate, a butadiene, an isoprene, an acrylic acid, a methacrylic acid, an acrylonitrile, and combinations thereof.
A latex comprising copolymer nanoparticles having an organic colorant dispersed within a matrix of the copolymer nanoparticles, wherein the organic colorant comprises an anionic functional group and a lipophilic counter ion, and further wherein the organic colorant comprises an indigo selected from indigo, isoindigo, indirubin, isoindirubin, 4,4′-dibromo indigo, 6,6′-dibromo indigo, 5,5′-dibromo indigo, cis-6,6′-dibromo indigo, 5,5′,7,7′-tetrabromo indigo, 4,4′,7,7′-tetrachloro indigo, 3H-indol-3-one, 1,2-dihydro-2-(3-oxobenzo [b] thien-2-(3H)-ylidene), thioindigo, cis-thioindigo, 6,6′-dichloro-4,4′-dimethylindigo, 5,5′-dichloro-7,7′-dimethylindigo, 4,4′-7,7′-tetramethylindigo, 3-(3-oxobenzo[b]thiophen-2(3H)-ylidene)-1H-indol-2(3H)-one, (E)-3-(3-oxobenzo[b]thiophen-2(3H)-ylidene)indolin-2-one, (Z)-3-(3-oxobenzo[b]thiophen-2(3H)-ylidene)benzo[b]thiophen-2(3H)-one, (E)-3-(2-oxobenzo[b]thiophen-3(2H)-ylidene)indolin-2-one, (E)-3-(2-oxobenzo[b]thiophen-3(2H)-ylidene)benzo[b]thiophen-2(3H)-one, 8,8′-dihydroxy-4,4′-dimethoxy-6,6′-dimethyl-2,2′-binaphthylidene-1,1′-quinone, 5,5′-dihydroxy-4,4′-dimethoxy-7,7′-dimethyl-2,2′-binaphthylidene-1,1′-quinone, 4,4′-diethoxy-2, 2′-binaphtyliden-I,1′-dione, 4,4′-bis (hexyloxy)-IH, 14H-2.2′-binaphthalene-1, 1′-dione, mamegakinone, biramentaceone, and mixtures thereof.
Dependencies are inferred from the claim text.