Erasably, markable articles and methods of making such articles

Details Erasably, markable articles and methods of making such articles Erasably, markable articles and methods of making such articles

1989-06-02

1991-08-06

Van Balen, William J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427 39, 427 40, 427 41, 427 541, 4273722, 4284237, 4284248, 4284251, 428483, 428514, B32B 2708, B32B 2710, B05D 306

Patent

active

050377027

ABSTRACT:
An erasably markable article formed of a coated substrate that is markable with dry wipe inks without causing permanent discernible distortion of the substrate. The surface after marking is substantially fully erasable. The surface is provided by a smooth coating of cured lacquer preferably a radiation cured lacquer, for example, electron beam radiation cured urethane acrylate. The substrate may be flexible, for example, a biaxially oriented polypropylene multilayer film having a closed cell foam-like core wherein the substrate exhibits electrostatic cling properties. The substrate may also be adhesive coated paper or may be relatively inflexible pressboard.

REFERENCES:
patent: 4393103 (1983-07-01), Louden
patent: 4603079 (1986-07-01), Nishizaki et al.

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