JPS644387A - Thermal recording material - Google Patents

Thermal recording material

Info

Publication number
JPS644387A
JPS644387A JP62158924A JP15892487A JPS644387A JP S644387 A JPS644387 A JP S644387A JP 62158924 A JP62158924 A JP 62158924A JP 15892487 A JP15892487 A JP 15892487A JP S644387 A JPS644387 A JP S644387A
Authority
JP
Japan
Prior art keywords
compound
protective layer
high mol
acrylamide
main constituents
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
JP62158924A
Other languages
Japanese (ja)
Other versions
JP2585605B2 (en
Inventor
Miho Ohashi
Tokuo Kurisu
Yasuhiro Honda
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 JP62158924A priority Critical patent/JP2585605B2/en
Publication of JPS644387A publication Critical patent/JPS644387A/en
Application granted granted Critical
Publication of JP2585605B2 publication Critical patent/JP2585605B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • 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
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds

Landscapes

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

Abstract

PURPOSE:To obtain an image excellent in chemical resistance and contrive higher reliability, by providing a protective layer comprising at least one compound selected from among acrylamide and derivatives thereof together with a high mol.wt. compound as main constituents, on a thermal color forming layer. CONSTITUTION:A thermal color forming layer comprising a leuco dye and a color developer as main constituents is provided on a base, and a protective layer comprising acrylamide or a derivative thereof and a high mol.wt. compound as main constituents is provided thereon. With the protective layer provided, decoloration of images due to oils or fats, plasticizers or the like is prevented, and reliability is markedly enhanced. At least one compound selected from among acrylamide and derivatives thereof, e.g., N,N'-methylene- bisacrylamide, is incorporated in the protective layer. The protective layer also comprises the high mol.wt. compound, e.g., a water-soluble high mol.wt. compound, such as polyvinyl alchohol, or an emulsion of a high mol.wt. compound.
JP62158924A 1987-06-26 1987-06-26 Thermal recording material Expired - Fee Related JP2585605B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62158924A JP2585605B2 (en) 1987-06-26 1987-06-26 Thermal recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62158924A JP2585605B2 (en) 1987-06-26 1987-06-26 Thermal recording material

Publications (2)

Publication Number Publication Date
JPS644387A true JPS644387A (en) 1989-01-09
JP2585605B2 JP2585605B2 (en) 1997-02-26

Family

ID=15682313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62158924A Expired - Fee Related JP2585605B2 (en) 1987-06-26 1987-06-26 Thermal recording material

Country Status (1)

Country Link
JP (1) JP2585605B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1518707A1 (en) 2003-09-25 2005-03-30 Brother Kogyo Kabushiki Kaisha Heat sensitive recording material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1518707A1 (en) 2003-09-25 2005-03-30 Brother Kogyo Kabushiki Kaisha Heat sensitive recording material
US7132387B2 (en) 2003-09-25 2006-11-07 Brother Kogyo Kabushiki Kaisha Heat sensitive recording material

Also Published As

Publication number Publication date
JP2585605B2 (en) 1997-02-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees