Antistat layers having print retaining qualities

Details Antistat layers having print retaining qualities Antistat layers having print retaining qualities

1992-02-24

1993-09-14

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428331, 428513, 428520, 428922, 430527, 430529, 430536, 430634, B32B 516, G03C 176

Patent

active

052447286

ABSTRACT:
A photographic paper coated with a polyolefin resin layer on each surface, one of the free surfaces of one of the polyolefin layers bearing a print retaining antistatic layer, the print retaining antistatic layer consisting essentially of an aluminum modified colloidal silica and an antistatic agent in a binder polymer, the binder polymer consisting essentially of an addition product of from about 30 to 78 mol % of an alkyl methacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol % of an alkali metal salt of an ethylenically unsaturated sulfonic acid and from 20 to about 65 mol % of a vinyl benzene, the polymer having a glass transition point of from 30.degree. to 65.degree. C.

REFERENCES:
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patent: 4895792 (1990-01-01), Aizawa et al.
patent: 5045394 (1991-09-01), Saverin et al.
patent: 5075164 (1991-12-01), Bowman et al.

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