Toner and developer compositions

G - Physics – 03 – G

Patent

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G03G 9/087 (2006.01) G03G 9/083 (2006.01)

Patent

CA 2550595

A toner having a crystalline or semi-crystalline polyester resin, an amorphous resin and a colorant. The toner preferably exhibits a resistivity of at least 1×10 11 ohm-cm. A developer may be produced including the toner and optionally a carrier. If a carrier is included, the carrier preferably exhibits a resistivity of greater than 1×10 7 ohm-cm. An electrophotographic machine includes the toner exhibiting high resistivity.

Un vireur ayant une résine de polyester cristalline ou semi-cristalline, une résine amorphe et un colorant. Le vireur présente préférablement une résistivité d'au moins 1oxx10 111ohm-cm. On peut produire un révélateur, y compris le vireur et un entraîneur de façon optionnelle. Si un entraîneur est inclus, il présente habituellement une résistivité de plus de 1lxx1071ohm-cm. Une machine électrophotographique comprend le vireur présentant une résistivité élevée.

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