Thermosensitive recording adhesive label

Details Thermosensitive recording adhesive label Thermosensitive recording adhesive label

1981-06-08

1983-01-25

Hess, Bruce H.

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Halogen containing compound

282 275, 428202, 428204, 4283204, 4283208, 428336, 4284744, 4284796, 428484, 428488, 428514, 428522, 428537, 428913, 428914, B41M 518

Patent

active

043703704

ABSTRACT:
A thermosensitive recording adhesive label comprising: a support sheet; a thermosensitive coloring layer formed on the front side of the support sheet, the thermosensitive coloring layer comprising a colorless or light-colored leuco dye and an acidic material capable of coloring the leuco dye when heat is applied thereto; a front barrier layer formed on the thermosensitive coloring layer, the front barrier layer comprising a polymeric material capable of preventing intrusion of materials which may discolor said thermosensitive coloring layer; a back barrier layer formed on the back side of the support sheet, the back barrier layer comprising a polymeric material capable of preventing intrusion of materials which may discolor the thermosensitive coloring layer; an adhesive layer formed on the back barrier layer; and a disposable backing sheet which is attached to the adhesive layer and can be peeled off the adhesive layer when the thermosensitive recording adhesive label is used.

REFERENCES:
patent: 3539375 (1970-11-01), Baum

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