Electrostatic recording dry toner

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 908

Patent

active

048163651

ABSTRACT:
An electrostatic recording dry toner made up of a uniform mixture of (A) precolored resin particles consisting essentially of thermoplastic resin and colorant and having an average size of 5 to 15.mu., (B) spherical resin particles having an average size of 0.01 to 2.00.mu. and having on their surfaces a charge controlling agent or cationic or anionic resin, and (C) silica particles having an average size of 1.mu. or less, is provided. The present dry toner can produce copies with high picture qualities at a higher transfer ratio even in a long run continuous reproduction.

REFERENCES:
patent: 4055684 (1977-10-01), Baltazzi et al.
patent: 4264698 (1981-04-01), Takayama et al.
patent: 4269920 (1981-05-01), Wada et al.

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