Colored microfine globular particles, method for production ther

Details Colored microfine globular particles, method for production ther Colored microfine globular particles, method for production ther

1989-12-22

1991-01-08

Bleutge, John C.

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

Synthetic resins

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

525279, 525286, 525288, 525293, 525296, 525313, C08F27700, C08F27900

Patent

active

049836811

ABSTRACT:
Colored microfine globular particles are produced by causing carbon black to react with a polymer capable of reacting with the carbon black thereby forming a carbon black-graft polymer, dispersing this carbon black-graft polymer in a polymerizable monomer component, and then polymerizing the polymerizable monomer component. These particles, in the unmodified form, are usable as a toner for the development of images of static charge and, in a form incorporated in a varying component, are usable such as in resin composition, coating composition, thermosensitive transfer ink ribbon coating agent, thermosensitive transfer ink, or back-coating agent for magnetic recording medium.

REFERENCES:
patent: 3634251 (1972-01-01), Maeda et al.
patent: 3959153 (1976-05-01), Sadamatsu et al.
patent: 4910113 (1990-03-01), Mori et al.

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