Thermally sensitive recording medium
AssigneesNippon Paper Industries Co., Ltd., Ipposha Oil Industries Co., Ltd.
InventorsReiko Sato, Kaoru Hamada, Yoshihide Kimura, Takaichi Yamamoto, Hiroyuki Kawabata, Seiji Sugimori
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Abstract
The present invention provides a thermally sensitive recording medium that possesses a thermally sensitive color developing layer containing colorless or pale colored basic leuco dye and an organic color developer as main components on a substrate, wherein said thermally sensitive recording medium contains at least one kind of an ultraviolet ray absorbent of aqueous emulsion type polymer composed of an emulsion copolymerized compound of (a) ultraviolet ray absorbing monomer, (b) vinyl compound monomer that can copolymerize with said monomer, (c) hydrophilic monomer and (d) reactive emulsifier.
Claims8
A thermally sensitive recording medium that possesses a thermally sensitive color developing layer containing colorless or pale colored basic leuco dye and an organic color developer as main components on a substrate, wherein said thermally sensitive recording medium contains at least one kind of an ultraviolet ray absorbent of aqueous emulsion type polymer composed of an emulsion copolymerized compound of (a) ultraviolet ray absorbing monomer, (b) vinyl compound monomer that can copolymerize with said monomer, (c) hydrophilic monomer and (d) reactive emulsifier.
Dependencies are inferred from the claim text.