Toner having crystalline wax

Details Toner having crystalline wax Toner having crystalline wax

G - Physics

03

G

G03G 9/08 (2006.01)

Patent

CA 2567260

Embodiments include a chemical toner composition having a first resin including a styrene vinyl copolymer and having a Tg of from about 46 to about 56°C, b) a second resin including a styrene vinyl copolymer having a Tg of from about 55 to about 65°C, c) a distilled wax having a heat of crystallization and a heat of enthalpy, both from about 1.0 to about 4.0 J/g for every weight percent of the wax used in the chemical toner composition, and wherein the wax has a peak melting point of from about 70 to about 99°C, and d) a colorant, wherein the chemical toner has a gloss of from about 30 to about 80 GGU.

Composition d'encre en poudre chimique comprenant une première résine qui inclut a) un copolymère de styrène et de vinyle dont la Tg est d'environ 46 à 56 °C; b) une seconde résine qui inclut un copolymère de styrène et de vinyle et dont la Tg est d'environ 55 à 65 °C; c) une cire distillée dont la chaleur de cristallisation et la chaleur d'enthalpie sont toutes deux d'environ 1,0 à 4,0 j/g pour chaque point de pourcentage de cire utilisé dans la composition d'encre en poudre chimique, le point de fusion de cette cire étant d'environ 70 à 99 °C; d) un colorant. Le brillant de l'encre en poudre chimique est d'environ 30 à 80 unités, mesuré au brillancemètre Gardner.

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