Electrophotographic toner production process

Details Electrophotographic toner production process Electrophotographic toner production process

1992-10-26

1994-11-08

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Process of making developer composition

430111, G03G 9087

Patent

active

053625951

ABSTRACT:
This invention discloses electrophotographic toners and the methods for their preparation. The electrophotographic toners contain resin and coloring agents as primary components. The resin is a non-crosslinked polymer of vinyl monomers or its mixtures, and has a number average molecular weight (Mn) of 2,000-15,000, a Z average molecular weight (Mz) of not less than 400,000 and Mz/Mn of 50-600. The electrophotographic toners exert an excellent fixing ability at high duplication speed or at lower temperatures.

REFERENCES:
patent: 4535049 (1985-08-01), Honda et al.
patent: 4849316 (1989-07-01), Kawaski et al.
patent: 4963456 (1990-10-01), Shin et al.

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