Patent ID: 9187605
Filing Date: 2015-11-17
Classification: C08G,C08J,C08K,G03G

Abstract:
1. A process for preparation of latex comprising: dissolving a polyester resin in an organic solvent to form a solution, wherein the polyester resin has a latex-destabilizing cation and the latex-destabilizing cation is present in an insoluble fraction of the solution, and further wherein the insoluble fraction forms after a delay period of about 2 hours to about 96 hours following the dissolving step; removing the latex-destabilizing cation, wherein removing the latex-destabilizing cation comprises filtration, decantation, centrifugation, or combinations thereof after the delay period; neutralizing the solution of the polyester resin; adding a sufficient amount of water to the neutralized solution to form an emulsion; and removing a portion of the organic solvent from the emulsion to form a latex of the polyester resin.