HEAT-SENSITIVE INK AND TEMPERATURE HYSTERESIS INDICATOR USING THE SAME

PROBLEM TO BE SOLVED: To obtain a heat-sensitive ink used for mass-producing, conveniently in a simple way, a temperature hysteresis indicator which can correctly indicate whether or not it has a temperature hysteresis exceeding a certain temperature, by a distinct change in color tone, and can be s...

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Bibliographic Details
Main Authors MIYATA YOSHIE, MIZUSAWA HIROMICHI, HARUMOTO DAISUKE
Format Patent
LanguageEnglish
Published 09.10.2002
Edition7
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COLOUR PRINTING
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
LINING MACHINES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
PRINTING
PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES
STAMPS
TRANSPORTING
TYPEWRITERS
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:PROBLEM TO BE SOLVED: To obtain a heat-sensitive ink used for mass-producing, conveniently in a simple way, a temperature hysteresis indicator which can correctly indicate whether or not it has a temperature hysteresis exceeding a certain temperature, by a distinct change in color tone, and can be stored without further changing the color tone. SOLUTION: The heat-sensitive ink contains microcapsules containing a particulate or powdery, a thermally meltable substance having a melting point equal to the temperature to be recorded and a particulate or powdery colorant which is diffusable in the thermal melt of the thermally meltable substance by dispersion or dissolution.
Bibliography:Application Number: JP20010299342