Toner compositions

G - Physics – 03 – G

Patent

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Details

G03G 9/08 (2006.01) G03G 9/10 (2006.01)

Patent

CA 2528407

Toner compositions include a non cross linked resin; a cross linked resin or gel; a wax; and a colorant. Processes for preparing a toner include mixing a non-cross linked resin and a cross-linked resin or gel in the presence of a wax, a colorant, and a coagulant to provide toner size aggregates; adding additional non-cross linked latex to the formed aggregates thereby providing a shell over the formed aggregates; heating the shell covered aggregates to form toner; and, optionally, isolating the toner.

Des composés de toner incluent une résine non réticulée, une résine ou un gel réticulé, une cire et un colorant. Les procédés de préparation du toner supposent le mélange de la résine non réticulée et de la résine ou du gel réticulé en présence d'une cire, d'un colorant et d'un coagulant, afin d'obtenir des agrégats de particule; l'ajout d'un latex non réticulé supplémentaire aux agrégats constitués afin de former une coque recouvrant lesdits agrégats; le chauffage des agrégats recouverts par la coque pour former un toner; et, en option, l'isolation du toner.

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