Developer composition for electrophotography

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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430110, 430114, G03G 908

Patent

active

052524205

ABSTRACT:
The present invention is directed to a developer composition for electrophotography containing a binder resin comprising at least a polyester resin as the main component, a colorant and a bisphenol A alkylene oxide adduct, wherein said bisphenol A alkylene oxide adduct is contained in a ratio of not less than 1.0 part by weight and not more than 10.0 parts by weight to 100 parts by weight of the binder resin. The developer composition of the present invention possesses satisfactory low-temperature fixability and is excellent in offset resistance, storage stability and resin pulverizability.

REFERENCES:
patent: 4147645 (1979-04-01), Lu
patent: 4387211 (1983-06-01), Yasuda et al.
patent: 4657837 (1987-04-01), Morita et al.
patent: 4693952 (1987-09-01), Koizumi et al.
patent: 4804622 (1989-02-01), Tanaka et al.
patent: 4939059 (1990-07-01), Kawabe et al.

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