JPS57151388A - 2-color type heat-sensitive recording material - Google Patents

2-color type heat-sensitive recording material

Info

Publication number
JPS57151388A
JPS57151388A JP56037087A JP3708781A JPS57151388A JP S57151388 A JPS57151388 A JP S57151388A JP 56037087 A JP56037087 A JP 56037087A JP 3708781 A JP3708781 A JP 3708781A JP S57151388 A JPS57151388 A JP S57151388A
Authority
JP
Japan
Prior art keywords
color
temperature
former
low
color development
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP56037087A
Other languages
Japanese (ja)
Inventor
Yukinori Motosugi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP56037087A priority Critical patent/JPS57151388A/en
Publication of JPS57151388A publication Critical patent/JPS57151388A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/34—Multicolour thermography

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

PURPOSE:To prepare a 2-color type heat-sensitive recording material in which a low-temperature color development layer and a given high-temperature color development layer are laminated on a support substance, and in case a color development is performed by a high-temperature heating under a low-speed recording condition, a mixture color due to a low-temperature color development is not produced around a high-temperature color development part. CONSTITUTION:A high-temperature color development layer and a low-temperature color development layer (a difference in color development temperature is preferably about 20 deg.C or more), in which a color development temperature is adjusted through combination of a leuco dystuff as a color former and an acid material as a developer (at a combination ratio (weight) being about 1 to 2-10) and further addition of a material presenting an eutectic property to a color former, are laminated on a support substance to prepare a 2-color type heat-sensitive recording material. In case, for example, a color of a high-temperature color development is brought to a black color system and a color of a low-temperatur color development is brought to a red color system, a red color system color former is used as a color former for the low- temperature color development layer, and a black color system color former and a color former (or green color system color former) color-developing in a complementary color to the low-temperature color former are used as a color former for the high-temperature color development layer.
JP56037087A 1981-03-14 1981-03-14 2-color type heat-sensitive recording material Pending JPS57151388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56037087A JPS57151388A (en) 1981-03-14 1981-03-14 2-color type heat-sensitive recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56037087A JPS57151388A (en) 1981-03-14 1981-03-14 2-color type heat-sensitive recording material

Publications (1)

Publication Number Publication Date
JPS57151388A true JPS57151388A (en) 1982-09-18

Family

ID=12487768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56037087A Pending JPS57151388A (en) 1981-03-14 1981-03-14 2-color type heat-sensitive recording material

Country Status (1)

Country Link
JP (1) JPS57151388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620205A (en) * 1984-10-03 1986-10-28 Ricoh Company, Ltd. Two-color thermosensitive recording material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620205A (en) * 1984-10-03 1986-10-28 Ricoh Company, Ltd. Two-color thermosensitive recording material

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