Resin composition for 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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525125, 525130, 525131, 525455, G03G 9087

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active

057891303

ABSTRACT:
A toner resin composition is provided containing as a main component a vinyl copolymer having a higher molecular weight component with a peak value of molecular weight distribution of 2.times.10.sup.5 -2.times.10.sup.6 and a lower molecular weight component with a peak value of molecular weight distribution of from 4.times.10.sup.3 -8.times.10.sup.4, and a thermoplastic polyester urethane of a weight average molecular weight of from about 5,000-500,000 in a ratio of 0.01 to 30 wt. % of the total resin composition.

REFERENCES:
patent: 4833057 (1989-05-01), Misawa et al.
patent: 4931375 (1990-06-01), Akimoto
patent: 4968574 (1990-11-01), Morita
patent: 5427883 (1995-06-01), Misawa

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