Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1989-11-30
1990-09-18
Griffin, Donald A.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
430 39, G01D 1506, G03G 1320, G03G 1900
Patent
active
049581732
ABSTRACT:
The invention comprises a toner receptive coating for substrates, typically paper, label or tag stock, 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. The coating can be used to fix (without heat fusing) the transferred toned image to paper, tag or label stock that has been coated with a pressure sensitive adhesive on the opposite side.
REFERENCES:
patent: 4130670 (1978-12-01), Gilliams et al.
patent: 4457998 (1984-07-01), Gruber et al.
patent: 4859550 (1989-08-01), Gruber et al.
Bouchard, Jr. Alfred T.
Fitch John J.
Parker Tim
Sullivan Mary
Dennison Manufacturing Company
Griffin Donald A.
Josephs Barry D.
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