Heat-sensitive recording material
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United States of America Patent
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Feb 18, 1997
Grant Date -
N/A
app pub date -
Apr 26, 1995
filing date -
Apr 27, 1994
priority date (Note) -
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Abstract
A heat-sensitive recording material comprises a recording layer containing a colorless or light-colored basic dye and a developing agent on a support. The recording layer further contains a polyethylene having a melting point not lower than 60.degree. C., which is obtained as an emulsion not comprising a surfactant. The heat-sensitive recording material may be prepared by coating on a support an aqueous coating composition, which contains a colorless or light-colored basic dye and a developing agent together with a polyethylene emulsion comprising a polyethylene having a melting point not lower than 60.degree. C. but no surfactant (e.g. emulsifier), to form a recording layer.
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