G - Physics
03
G
G03G 9/08 (2006.01) G03G 9/093 (2006.01)
Patent
CA 2526411
Improved toner particles having a core-shell structure and related processes thereof are provided. The core of the toner comprises a first polymer, a complexed cationic dye pigment, and a heteropoly acid, and the shell comprises a second polymer. The heteropoly acid can effectively retain the complexed cationic dye pigment within the toner particle by complexing with one or more of the pigment cations, thereby improving the toner properties such as parent charge.
Divulgation de particules de toner améliorées ayant une structure coeur-enveloppe, ainsi que de procédés connexes. Le coeur du toner est constitué d'un premier polymère, d'un pigment cationique complexé, et d'un hétéropolyacide, l'enveloppe est constituée d'un second polymère. L'hétéropolyacide peut retenir efficacement le pigment cationique complexé dans la particule de toner par complexation avec un ou plus des cations pigmentaires, ce qui a pour effet d'améliorer les propriétés du toner en tant que charge mère.
Moffat Karen A.
Veregin Richard P.n.
Vong Cuong
Zhou Ke
Sim & Mcburney
Xerox Corporation
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