Patent ID: 9580578
Date: 2017-02-28
CPC Classifications: C08K,G03G

Claim:
1. A toner comprising toner particles having a shell-core configuration, wherein the core comprises a latex comprising copolymer nanoparticles having a modified colorant dispersed within a matrix of the copolymer nanoparticles, wherein the modified colorant comprises an anionic functional group and a lipophilic counter ion, wherein the modified 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, Vat Red 1, 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 (Thioindigo Scarlet R), (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 (Thioindirubine), (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, Indigo Russig's Blue, 8,8′-dihydroxy-4,4′-dimethoxy-6,6′-dimethyl-2,2′-binaphthylidene-1,1′-quinone (Diosindigo A), 5,5′-dihydroxy-4,4′-dimethoxy-7,7′-dimethyl-2,2′-binaphthylidene-1,1′-quinone (Diosindigo B), 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.