Developing method using single-component nonmagnetic toners

Details Developing method using single-component nonmagnetic toners Developing method using single-component nonmagnetic toners

1992-01-24

1994-02-22

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

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

430101, 430110, 430111, 430903, G03G 1308, G03G 1316

Patent

active

052885836

ABSTRACT:
The present invention provides a contact-type developing method for developing a static latent image using a single-component non-magnetic toner wherein a non-magnetic toner fusion is hardly occurred. In the contact-type developing method for developing a static latent image using a single-component non-magnetic toner, a single-component non-magnetic toner essentially consisting of a coloring agent and a binder resin of a styrene copolymer having a number average molecular weight of 8,000 to 30,000 and a weight average molecular weight of 100,000 to 300,000, and having a single peak molecular-weight distribution in a gel partition chromatograph is employed.

REFERENCES:
patent: 3731146 (1973-05-01), Bettiga et al.
patent: 4849316 (1989-07-01), Kawaski et al.

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