Fluorescent magenta latex with enhanced brightness and toners made therefrom
AssigneeXerox Corporation
InventorsChunliang Lu, Peter V. Nguyen, Yu Qi
Life of this patent
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Abstract
Fluorescent magenta latexes are provided which may comprise water and fluorescent agent-incorporated resin particles, the particles comprising a resin, Solvent Red 49 as a red fluorescent agent, and Solvent Yellow 98 as a yellow fluorescent agent, wherein the fluorescent magenta latex has a weight ratio of the Solvent Red 49 to the Solvent Yellow 98 in a range of from 3:1 to 10:1. Fluorescent magenta toners and methods of making and using the fluorescent magenta toners are also provided.
Claims20
A fluorescent magenta latex comprising water and fluorescent agent-incorporated resin particles, the particles comprising a resin, Solvent Red 49 as a red fluorescent agent, and Solvent Yellow 98 as a yellow fluorescent agent, wherein the fluorescent magenta latex has a weight ratio of the Solvent Red 49 to the Solvent Yellow 98 in a range of from 3:1 to 10:1.
A fluorescent magenta toner comprising fluorescent agent-incorporated resin particles, the particles comprising a resin, Solvent Red 49 as a red fluorescent agent, and Solvent Yellow 98 as a yellow fluorescent agent, wherein the fluorescent magenta latex has a weight ratio of the Solvent Red 49 to the Solvent Yellow 98 in a range of from 3:1 to 10:1.
A method of making a fluorescent magenta toner, the method comprising:
- forming one or more fluorescent latexes which comprise Solvent Red 49 as a red fluorescent agent, Solvent Yellow 98 as a yellow fluorescent agent, a first type of amorphous resin, and a second type of amorphous resin, wherein the Solvent Red 49 and the Solvent Yellow 98 are present in a weight ratio in a range of from 3:1 to 10:1;
- forming a mixture comprising the one or more fluorescent latexes;
- one or more emulsions which comprise a crystalline resin, the first type of amorphous resin, the second type of amorphous resin;
- and optionally, a wax dispersion;
- aggregating the mixture to form particles of a predetermined size;
- forming a shell over the particles of the predetermined size to form core-shell particles;
- and
- coalescing the core-shell particles to form a fluorescent magenta toner.
Dependencies are inferred from the claim text.