Electrostatic information recording medium

Details Electrostatic information recording medium Electrostatic information recording medium

1996-03-19

1998-05-12

Krynski, William

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

4284111, 428421, 428422, 428500, 428694BF, 427256, B32B 300

Patent

active

057502382

ABSTRACT:
The electrostatic information recording medium of the present invention has an electric charge retaining layer 11 stacked on at least an electrode layer 13, as shown in FIG. 1. The electric charge retaining layer is formed from either 1 a resin selected from among fluorocarbon resins, and an insulating organic substance having no photoconductivity, or 2 a fluorine-containing thermoplastic resin consisting of a repeating unit represented by formula (1): ##STR1## (where the content of the dioxonol component represented by the number m of repeating units is in the range of 20 mol % to 90 mol %)
the fluorine-containing thermoplastic resin having a melt viscosity of 10.sup.2 to 10.sup.4 Pa.sec at a temperature which is 90.degree. C. to 110.degree. C. higher than its glass transition temperature.

REFERENCES:
patent: 3920330 (1975-11-01), Wells et al.
patent: 4294904 (1981-10-01), Mammino

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