Toner composition including positive and negative tribocharging

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430110, 430111, G03G 9083

Patent

active

060047119

ABSTRACT:
Toner compositions comprise (a) a toner particulate including resin, magnetic component and charge control agent, and (b) an extra-particulate additive comprising a first hydrophobic additive having negative tribocharging properties and a second hydrophobic additive having positive tribocharging properties.

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patent: 5296324 (1994-03-01), Akagi et al.
patent: 5620823 (1997-04-01), Kambayashi et al.
patent: 5863691 (1999-01-01), Yamazaki et al.
Degussa Technical Information Sheet, pp. 3, 7, 8, 10, 11 (undated).

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