Toner composition for developing electrostatic latent image

Details Toner composition for developing electrostatic latent image Toner composition for developing electrostatic latent image

G - Physics

03

G

G03G 9/097 (2006.01) G03G 9/08 (2006.01) G03G 15/20 (2006.01)

Patent

CA 2251600

The invention in this application relates to a toner composition for electrostatic latent image development which is characterized in that, in a toner composition comprising at least binder resin, colorant and charge control agent, to be used in a print forming method provided with a print fixing device which fixes the toner image on a recording medium by means of a light flash, the concentration of benzene generated by heating for 90 seconds at 330°C is no more than 60 µg/g, and the invention provides a toner composition for electrostatic latent image development which either extends the filter life or does not require the use of a filter.

L'invention concerne une composition de toner pour développer une image latente électrostatique, qui s'utilise pour un procédé de formation d'image à l'aide d'un dispositif de fixation d'image permettant de fixer une image toner sur un support d'impression par faisceau de lumière. Cette composition comprend au moins une résine liante, un colorant et un agent de régulation de charge. La concentration de benzène engendrée par le traitement thermique de la composition à une température de 330 DEG C pendant 90 secondes n'est pas supérieure à 60 mu g/g. Cette composition prolonge la durée de vie du filtre ou bien ne nécessite pas l'emploi de celui-ci.

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