Toner receptive coating

Details Toner receptive coating Toner receptive coating

1989-07-06

1990-07-17

Evans, Arthur G.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

3461351, G01D 1500

Patent

active

049424106

ABSTRACT:
The invention comprises a toner receptive coating for substrates, typically paper, for use in conventional printers such as ion deposition printers and photostatic copiers. The coating on paper or polymeric film improves the print density and durability of text or images transferred thereto from printers or copiers, particularly those which employ dry magnetic toner. The coating eliminates the need to use heat fusing to fix the transferred toned image to the substrate. The coating is composed of pressure sensitive polymeric binder material and particulate fillers. The polymeric binder has a glass transition temperature less than 20.degree. C. preferably a glass transition temperature between -10.degree. C. and +10.degree. C. The fillers include a polymeric filler, typically a polyethylene wax or a polyethylene/polytetrafluoroethylene wax mixture and a mineral filler, typically particulate silicon dioxide. The receptive coating also improves the smudge resistance of transferred toned images, particularly when employing dry magnetic toner.

REFERENCES:
patent: 4859550 (1989-08-01), Gruber et al.

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