Transparencies for electrostatic printing

Details Transparencies for electrostatic printing Transparencies for electrostatic printing

1982-10-13

1984-12-18

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428217, 428327, 428331, 428483, 428519, B05D 136, B32B 2708

Patent

active

044891229

ABSTRACT:
A sheet material for electrostatic production, as by xerography, of transparencies comprising a synthetic polymeric film base having at least one surface receptive to adhesion and fusion of toner. The toner-receptive surface of the film base has a two-layer coating which comprises a first layer of a conformable material coated over the surface of the polymeric film base and a second layer of a rigid material coated over the first layer. The first layer is soft enough to conform to the shape of toner particles coming in contact with the sheet material during use. The second layer provides the film with a non-sticky, lower friction surface in order to allow the sheets to be fed to a copying machine from a stack. This two-layer coating allows the toner used in an electrostatic printing process to be bonded to the sheet material by means of cold pressure fusing so that images created by the electrostatic process can be fixed without heat.

REFERENCES:
patent: 2819985 (1958-01-01), Cobbs, Jr.
patent: 3037879 (1962-06-01), Newman et al.
patent: 3592725 (1971-07-01), Yoshimura et al.
patent: 4038449 (1977-07-01), Uemura et al.
patent: 4301195 (1981-11-01), Mercer et al.

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