Fluorescent toner compositions and fluorescent pigments

Details Fluorescent toner compositions and fluorescent pigments Fluorescent toner compositions and fluorescent pigments

C - Chemistry, Metallurgy

09

K

C09K 11/07 (2006.01) C09K 11/02 (2006.01) G03G 9/08 (2006.01) B44F 1/12 (2006.01)

Patent

CA 2738440

A fluorescent particle includes a fluorescent pigment, such as a trans--dicarboxylic-indenofluorenone, and at least one stabilizing wax chemically attached to the fluorescent pigment. The stabilizing wax includes an amine group at its terminal end and the fluorescent pigment includes at least one carboxylic acid group, where the amine group reacts with the carboxylic acid group to form an amide bond. A method for making fluorescent particles for use in toners by chemically attaching at least one stabilizing wax to a fluorescent pigment where the at least one stabilizing wax includes an amine group at its terminal end and the fluorescent pigment includes at least one carboxylic acid group. A toner may include a resin and the fluorescent particle.

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