Image-forming toner, preparation method thereof, three-dimension

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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430111, 430137, 399297, G03G 9097

Patent

active

061656674

ABSTRACT:
A three-dimensional image-forming toner containing at least a binder resin and a foaming agent in such a manner that the foaming agent is not substantially exposed to the surface of the toner. The foaming agent is preferably microcapsule particles containing a low-boiling substance such as, preferably, isobutane, and the shell material of the microcapsule is preferably a copolymer of vinylidene chloride and acrylonitrile.
By using the image-forming toner, a three-dimensional image having a sufficient image thickness for being recognized as Braille types and a good fixing property to a recording medium such as a plain paper can be easily formed using an ordinary electrophotographic copying machine or printer.

REFERENCES:
patent: 4540644 (1985-09-01), Jacob
patent: 5122430 (1992-06-01), Nishitsuji et al.
patent: 5563694 (1996-10-01), Katayama

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