Process for producing composite resin for toner

Details Process for producing composite resin for toner Process for producing composite resin for toner

1992-11-30

1994-05-31

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525223, 525227, 525228, 525230, C08L 3308

Patent

active

053170601

ABSTRACT:
A process for producing a composite resin for a toner, comprising the steps of: mixing, in water, (a) a low-molecular weight polymer powder comprising particles, not less than 80% by weight of the particles having a diameter of from 20 to 2000 microns with (b) a high-molecular weight polymer emulsion; subjecting the thus obtained mixture to a coagulation treatment; and heating the resulting mixture to obtain a composite resin in which the low-molecular weight polymer particle and the high-molecular weight polymer are fixed and homogeneously mixed with each other.

REFERENCES:
patent: 4774291 (1988-09-01), Maeda
patent: 5185405 (1993-02-01), Nishida

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