THERMAL RECORDING BODY

PURPOSE:To obtain a thermal recording body with improved stability of a recording image by providing a heat-sensitive recording layer contg. a specified basic dye and a specified color-developing agent which develops color when it is brought into contact with this dye on a supporting body. CONSTITUT...

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Hauptverfasser: ARAI NAOTO, OKIMOTO SATOYUKI
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creator ARAI NAOTO
OKIMOTO SATOYUKI
description PURPOSE:To obtain a thermal recording body with improved stability of a recording image by providing a heat-sensitive recording layer contg. a specified basic dye and a specified color-developing agent which develops color when it is brought into contact with this dye on a supporting body. CONSTITUTION:A coating liq. for a thermal recording layer contg. each specified amt. of a colorless or light-color basic dye of formula [wherein R1 and R2 are each halogen atom, a 1-4C alkyl group or a 1-25C alkoxy group; R3 is a 1-25C alkyl group, a 1-25C alkoxyalkyl group, phenyl group or benzyl group; m and n are each integer of 0, 1 or 2] and 4,4-cyclohexylidene-diphenol as a color developing agent is prepd. After a supporting body such as a paper and a plastic film is coated with this coating liq. for thermal recording layer, it is dried to form a thermal recording layer and to obtain a thermal recording body. In addition, it is possible to improve storage stability by providing a protective layer on the thermal recording layer.
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CONSTITUTION:A coating liq. for a thermal recording layer contg. each specified amt. of a colorless or light-color basic dye of formula [wherein R1 and R2 are each halogen atom, a 1-4C alkyl group or a 1-25C alkoxy group; R3 is a 1-25C alkyl group, a 1-25C alkoxyalkyl group, phenyl group or benzyl group; m and n are each integer of 0, 1 or 2] and 4,4-cyclohexylidene-diphenol as a color developing agent is prepd. After a supporting body such as a paper and a plastic film is coated with this coating liq. for thermal recording layer, it is dried to form a thermal recording layer and to obtain a thermal recording body. 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subjects COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
title THERMAL RECORDING BODY
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