HEAT-SENSITIVE RECORDING MATERIAL

PROBLEM TO BE SOLVED: To provide excellent heat response and saturated concentration by incorporating an electron donative dye precursor, electron acceptive compound and a specific compound as an additive. SOLUTION: A dye precursor contains a 3-(N,N-dibutyl)amino-6-methyl-7- anilinofluoran. An elect...

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Bibliographic Details
Main Author TSUKADA HIDETAKA
Format Patent
LanguageEnglish
Published 27.02.2001
Edition7
Subjects
COLOUR PRINTING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:PROBLEM TO BE SOLVED: To provide excellent heat response and saturated concentration by incorporating an electron donative dye precursor, electron acceptive compound and a specific compound as an additive. SOLUTION: A dye precursor contains a 3-(N,N-dibutyl)amino-6-methyl-7- anilinofluoran. An electron acceptive compound contains a diphenylsulfone derivative represented by formula I, wherein R1, R2 are each a hydrogen atom, halogen atom, alkyl group, alkenyl group, aralkyl group, aryl group, alkyloxy group, alkenyloxy group, aralkyloxy group or aryloxy group, m is an integer of 1 to 3, and n is an integer of 0 to 2.). An additive contains a 3-(N,N-dibutyl) amino-6-methyl-7-anilinofluoran and benzyl-2-naphthylether having high compatibility in both a diphenylsulfone and its derivative represented by the formula I.
Bibliography:Application Number: JP19990232059