Electrophotographic toner comprising low and high molecular weig

Details Electrophotographic toner comprising low and high molecular weig Electrophotographic toner comprising low and high molecular weig

1979-02-27

1981-01-20

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430110, 430124, G03G 1100

Patent

active

042463327

ABSTRACT:
An electrophotographic toner comprising a binder resin and a colorant dispersed therein wherein the binder resin comprises about 50 to 95% by weight of a low temperature melting, high fluidity resin having a number average molecular weight of about 1,000 to 4,000, a glass transition temperature of about 40.degree. to 60.degree. C. and a melt index at 110.degree. C. of about 50 to 200 g/10 min or a mixture thereof, and about 5 to 50% by weight of a high molecular weight polymer having a glass transition temperature of about 35.degree. to 60.degree. C. and a weight average molecular weight of more than about 500,000.

REFERENCES:
patent: 3965021 (1976-06-01), Clemens et al.

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