Pressure sensitive adhesive drafting films for use in electrosta

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428325, 428326, 428328, 428331, 428332, 428364, 428447, 428451, 428452, 428481, 428507, 428352, 428914, 428922, B32B 516, B32B 1902, B32B 2708

Patent

active

040740005

ABSTRACT:
Disclosed is a novel pressure sensitive adhesive drafting film which is specially formulated to permit it to be imaged in electrostatographic copiers. The film is a multilayered structure comprising layers from the top down of:
(a) a matte coating capable of receiving and holding graphic information;
(b) a layer of organic resinous material in film form;
(c) a layer of pressure sensitive adhesive;
(d) a release coating;
(e) a layer of an organic resinous material in film form as release liner; and
(f) a back coating which is a layer of an organic resinous binder material having dispersed therein:
I. a particulate solid material of particle size ranging from 3 to 20 microns in the longest dimension, and
Ii. a water insoluble antistatic agent of a type to cause the film to have a surface resistivity in the range of from 10.sup.9 to 10.sup.14 ohms/sq.

REFERENCES:
patent: 3516842 (1970-06-01), Klinker et al.
patent: 3533822 (1970-10-01), Bailey
patent: 3567571 (1971-03-01), Martinovich
patent: 3607526 (1971-09-01), Biegen
patent: 3652329 (1972-03-01), Vossos
patent: 3834925 (1974-09-01), Matsumura et al.
patent: 3967022 (1976-06-01), Hasei
patent: 3975325 (1976-08-01), Long

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