JPS57178793A - Heat sensitive recording medium - Google Patents

Heat sensitive recording medium

Info

Publication number
JPS57178793A
JPS57178793A JP56063389A JP6338981A JPS57178793A JP S57178793 A JPS57178793 A JP S57178793A JP 56063389 A JP56063389 A JP 56063389A JP 6338981 A JP6338981 A JP 6338981A JP S57178793 A JPS57178793 A JP S57178793A
Authority
JP
Japan
Prior art keywords
heat sensitive
coloring
substance
recording medium
sensitive recording
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
JP56063389A
Other languages
Japanese (ja)
Inventor
Ensuke Takeuchi
Norihide Sakai
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.)
HONSHIYUU SEISHI KK
Honshu Paper Co Ltd
Original Assignee
HONSHIYUU SEISHI KK
Honshu Paper 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 HONSHIYUU SEISHI KK, Honshu Paper Co Ltd filed Critical HONSHIYUU SEISHI KK
Priority to JP56063389A priority Critical patent/JPS57178793A/en
Publication of JPS57178793A publication Critical patent/JPS57178793A/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
    • B41M5/30—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
    • B41M5/3372—Macromolecular 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 improve the thermoplastic property of coloring component of a heat sensitive recording medium by employing a sulfonyldiphenyl compound as an acidic substance for coloring a coloring substance at the heating time and incorporating aromatic polysulfone resin in a heat sensitive layer. CONSTITUTION:In a heat sensitive recording medium containing a heat sensitive layer composed of colorless or pale coloring substance, acidic substance for coloring the coloring substance at the heating time and a binder at least on one side surface of the medium, the acidic substance is a sulfonyldiphenyl compound such as 4, 4'-sulfonyldiphenol, mixed with aromatic polysulfone resin such as ''Udel '' polysulsone represented by the formula, where (n) signifies 50-80 in the heat sensitive layer. The recorded image obtained from this medium improves its stability against a plasticizer, thereby eliminating the erasing effect of the image and discoloring effect.
JP56063389A 1981-04-28 1981-04-28 Heat sensitive recording medium Pending JPS57178793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56063389A JPS57178793A (en) 1981-04-28 1981-04-28 Heat sensitive recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56063389A JPS57178793A (en) 1981-04-28 1981-04-28 Heat sensitive recording medium

Publications (1)

Publication Number Publication Date
JPS57178793A true JPS57178793A (en) 1982-11-04

Family

ID=13227889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56063389A Pending JPS57178793A (en) 1981-04-28 1981-04-28 Heat sensitive recording medium

Country Status (1)

Country Link
JP (1) JPS57178793A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165684A (en) * 1983-03-10 1984-09-18 Ricoh Co Ltd Thermal recording material
WO2000053427A1 (en) * 1999-03-05 2000-09-14 Nippon Paper Industries Co., Ltd. Thermal recording material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165684A (en) * 1983-03-10 1984-09-18 Ricoh Co Ltd Thermal recording material
JPH0475148B2 (en) * 1983-03-10 1992-11-30
WO2000053427A1 (en) * 1999-03-05 2000-09-14 Nippon Paper Industries Co., Ltd. Thermal recording material
EP1080939A1 (en) * 1999-03-05 2001-03-07 Nippon Paper Industries Co., Ltd. Thermal recording material
EP1080939B1 (en) * 1999-03-05 2007-01-03 Nippon Paper Industries Co., Ltd. Thermal recording material

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