Toner for electrostatic-image development and process for produc

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430137, G03G 9087

Patent

active

055102190

ABSTRACT:
A toner for electrostatic-image development comprising a core containing a binder resin and a colorant, and a shell covering said core, wherein the shell is formed by interfacial polymerization of a first reactant in an oily medium with a second reactant in an aqueous medium, and the colorant is a metallic lake pigment whose surface is treated with a coupling agent containing an amino group or a polyamine compound.

REFERENCES:
patent: 4822707 (1989-04-01), Inoue et al.
patent: 5254428 (1993-10-01), Ishikawa et al.
patent: 5399454 (1995-03-01), Imai et al.

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