Capsule toner and process for producing the same

Details Capsule toner and process for producing the same Capsule toner and process for producing the same

1993-12-16

1995-04-18

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430109, 430138, 42840221, G03G 9093

Patent

active

054077702

ABSTRACT:
A capsule toner and a process for producing the same, the capsule toner comprising a core material containing a fixing component, an outer shell covering the core material, and an electrically conductive material adhered on the surface of the outer shell, the outer shell containing a polyurea resin and/or a polyurethane resin each obtained from an aliphatic polyisocyanate and an aromatic polyisocyanate. The capsule toner exhibits satisfactory charging properties while surely holding the fixing component inside to provide high quality images with excellent fixing properties.

REFERENCES:
patent: 4977052 (1990-12-01), Mikami
patent: 5147744 (1992-09-01), Sacripante et al.
patent: 5230977 (1993-07-01), Ohta
patent: 5304448 (1994-04-01), Keoshkerian et al.
"Text for 3rd Lecture of Introduction to Vehicle", Japan Colorant Association (Kanto Division), pp. 57-66 (1991).
"Polyurethane Resin Handbook", Nikkan Kogyo Shibun, pp. 71-98 (1987).

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