Coated carrier particle containing a charge control agent

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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G03G 9113

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056270011

ABSTRACT:
An improved carrier particle for use with a toner in electrostatic copying is described. The particle comprises an electroconductive core and a coating. In one embodiment the coating is made by combining a fluorocarbon resin with a charge control agent that has the same polarity as the toner. The carrier imparts a strongly positive triboelectric charge to the toner while resisting adhesion of toner particles.

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Ricoh, et al. "Carrier For Electrophotographic Dry Developer" Patent Abstracts of Japan, vol. 8, No. 105, p. 274 [1542] (May 17, 1984).

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