Toner for developing electrostatic image, and image fixing metho

Details Toner for developing electrostatic image, and image fixing metho Toner for developing electrostatic image, and image fixing metho

1991-12-26

1993-10-05

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

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

430 99, G03G 9087

Patent

active

052503828

ABSTRACT:
A toner for developing an electrostatic image has toner particles containing i) a binder resin comprising a resin composition with a domain-matrix structure and ii) a colorant.
The resin composition with a domain-matrix a structure is comprised of a resin P1 that forms domain particles and a resin P2 that forms a matrix. The resin P1 has a glass transition temperature Tg1 of from 0.degree. C. to 60.degree. C., and the resin P2 has a glass transition temperature Tg2 of from 40.degree. C. to 90.degree. C. The glass transition temperature Tg2 of the resin P2 is at least 5.degree. C. higher than the glass transition temperature Tg1 of the resin P1, and the domain particles having an average particle diameter of not larger than 5 .mu.m.

REFERENCES:
patent: 2297691 (1942-10-01), Carlson
patent: 4820763 (1989-04-01), Yang
patent: 4925765 (1990-05-01), Madeline
patent: 4988794 (1991-01-01), Kubo et al.
patent: 5089544 (1992-02-01), Ross et al.

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