JPS5382421A - Heat sensitive recording material - Google Patents

Heat sensitive recording material

Info

Publication number
JPS5382421A
JPS5382421A JP15914476A JP15914476A JPS5382421A JP S5382421 A JPS5382421 A JP S5382421A JP 15914476 A JP15914476 A JP 15914476A JP 15914476 A JP15914476 A JP 15914476A JP S5382421 A JPS5382421 A JP S5382421A
Authority
JP
Japan
Prior art keywords
recording material
sensitive recording
heat sensitive
discoloring
fading
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.)
Granted
Application number
JP15914476A
Other languages
Japanese (ja)
Other versions
JPS5752916B2 (en
Inventor
Susumu Iwata
Takashi Kubo
Hiroshi Tamura
Shigeru Miyajima
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 JP15914476A priority Critical patent/JPS5382421A/en
Publication of JPS5382421A publication Critical patent/JPS5382421A/en
Publication of JPS5752916B2 publication Critical patent/JPS5752916B2/ja
Granted 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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • 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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/337—Additives; Binders
    • 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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/3275—Fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

PURPOSE:To enhance heat sensitivity and to prevent an image formed from readily fading or discoloring, by employing a specified lactone compound as a colorant.
JP15914476A 1976-12-28 1976-12-28 Heat sensitive recording material Granted JPS5382421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15914476A JPS5382421A (en) 1976-12-28 1976-12-28 Heat sensitive recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15914476A JPS5382421A (en) 1976-12-28 1976-12-28 Heat sensitive recording material

Publications (2)

Publication Number Publication Date
JPS5382421A true JPS5382421A (en) 1978-07-20
JPS5752916B2 JPS5752916B2 (en) 1982-11-10

Family

ID=15687204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15914476A Granted JPS5382421A (en) 1976-12-28 1976-12-28 Heat sensitive recording material

Country Status (1)

Country Link
JP (1) JPS5382421A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4868243A (en) * 1971-12-18 1973-09-18
JPS4911141A (en) * 1972-05-29 1974-01-31
JPS4934842A (en) * 1972-07-31 1974-03-30
JPS49120648A (en) * 1973-03-16 1974-11-18
JPS5018048A (en) * 1973-06-20 1975-02-26

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4868243A (en) * 1971-12-18 1973-09-18
JPS4911141A (en) * 1972-05-29 1974-01-31
JPS4934842A (en) * 1972-07-31 1974-03-30
JPS49120648A (en) * 1973-03-16 1974-11-18
JPS5018048A (en) * 1973-06-20 1975-02-26

Also Published As

Publication number Publication date
JPS5752916B2 (en) 1982-11-10

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