Pressure-fixable microcapsule toner

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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Details

430109, 430111, 430137, 430138, 430 98, G03G 914

Patent

active

044978855

ABSTRACT:
A microcapsule toner for pressure fixing, comprising a core material containing a pressure-fixable component and a magnetic material, a first shell layer comprising a formaldehyde copolymer resin and a second shell layer comprising a polymer soluble in an organic solvent provided successively by coating therearound. This microcapsule, since a pressure-fixable core material is successively coated with a lipophobic first shell layer and a lipophilic second shell layer, has well-balanced pressure fixing characteristic and developing characteristic without core material exposed on the surface.

REFERENCES:
patent: 4254201 (1981-03-01), Sawai et al.
patent: 4357406 (1982-11-01), Kouchi et al.

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