Process for producing binder resin and developer composition for

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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430109, 430111, 430137, 430904, C08G 6302

Patent

active

053916956

ABSTRACT:
A process for producing a binder resin is disclosed, which comprises blending in a reactor a raw monomer for a first polymerization system and a raw monomer for a second polymerization system which undergoes polymerization through a reaction path different from a reaction path of said first polymerization system and then conducting said first and second polymerization reactions in the same reactor. A toner and a developer composition employing the binder resin are also disclosed. The binder resin can easily be pulverized and can give toners and developer compositions which hold a good charge and from which an environmentally stable fixed image can be obtained.

REFERENCES:
patent: 4039500 (1977-08-01), Bassett et al.
patent: 4206109 (1980-06-01), Reischl et al.
patent: 4933989 (1990-06-01), Kume et al.
patent: 4939200 (1990-07-01), Stack et al.
patent: 5112903 (1992-05-01), Sakakibara et al.

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