Developer for electrostatic latent image development

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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430108, G03G 9083

Patent

active

057956910

ABSTRACT:
Disclosed is a developer of electrostatic latent image containing a carrier and a toner which contains a colorant and a binder resin, wherein the carrier comprises a magnetic substance particle and a resin coated on the magnetic substance particle, and said resin for coating is a polyolefin having a weight average molecular weight (Mw) of 20.times.10.sup.4 to 100.times.10.sup.4, a number average molecular weight (Mn) of 0.5.times.10.sup.4 to 10.times.10.sup.4 and an Mw/Mn of 5 to 100; and further the toner may contain a polyolefin having a number average molecular weight of 1500 to 9000 as a releasing agent.

REFERENCES:
patent: 5314777 (1994-05-01), Watanabe et al.
patent: 5391451 (1995-02-01), Yoshie et al.
patent: 5447813 (1995-09-01), Hagiwara et al.

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