Toner for developing latent electrostatic images

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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430109, G03G 9087

Patent

active

059485817

ABSTRACT:
A toner having toner particles for developing latent electrostatic images, each toner particle containing a binder resin and a coloring agent, the binder resin including a vinyl polymer prepared by polymerizing a plurality of different vinyl monomers, with a weight-average molecular weight (Mw) of 30,000 or less, and a peak molecular weight (PMw) of 10,000 or less in the weight-average molecular weight (Mw), with the amount ratio of a vinyl polymer with a molecular weight of not less than the value of PMw.times.10 being in the range of 1 to 30 wt % of the entire amount of the vinyl polymer.

REFERENCES:
patent: 5133992 (1992-07-01), Nair et al.
patent: 5352521 (1994-10-01), Hotta et al.
patent: 5368972 (1994-11-01), Yamashita et al.

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