EP4743311A1 - Phenol-free, heat-sensitive recording material - Google Patents

Phenol-free, heat-sensitive recording material

Info

Publication number
EP4743311A1
EP4743311A1 EP24843108.2A EP24843108A EP4743311A1 EP 4743311 A1 EP4743311 A1 EP 4743311A1 EP 24843108 A EP24843108 A EP 24843108A EP 4743311 A1 EP4743311 A1 EP 4743311A1
Authority
EP
European Patent Office
Prior art keywords
phenol
free
heat
recording material
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
EP24843108.2A
Other languages
German (de)
French (fr)
Inventor
Simon R Cuch
Robert N Zimmerman
Kazuyuki Sakamoto
Masahiro Minami
Takashi Takemura
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.)
Oji Holdings Corp
Original Assignee
Oji Holdings Corp
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 Oji Holdings Corp filed Critical Oji Holdings Corp
Publication of EP4743311A1 publication Critical patent/EP4743311A1/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
    • B41M5/333—Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333—Non-macromolecular compounds
    • B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
    • B41M5/3336—Sulfur compounds, e.g. sulfones, sulfides, sulfonamides
    • 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
    • B41M5/3375—Non-macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/04—Direct thermal recording [DTR]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/38—Intermediate layers; Layers between substrate and imaging layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
    • 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
    • B41M5/423—Intermediate, backcoat, or covering layers characterised by non-macromolecular compounds, e.g. waxes
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
EP24843108.2A 2023-07-14 2024-07-12 Phenol-free, heat-sensitive recording material Pending EP4743311A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363526760P 2023-07-14 2023-07-14
PCT/JP2024/025377 WO2025018318A1 (en) 2023-07-14 2024-07-12 Phenol-free, heat-sensitive recording material

Publications (1)

Publication Number Publication Date
EP4743311A1 true EP4743311A1 (en) 2026-05-20

Family

ID=94282201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24843108.2A Pending EP4743311A1 (en) 2023-07-14 2024-07-12 Phenol-free, heat-sensitive recording material

Country Status (4)

Country Link
EP (1) EP4743311A1 (en)
KR (1) KR20260041791A (en)
CN (1) CN121487838A (en)
WO (1) WO2025018318A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4547495A1 (en) 2022-08-10 2025-05-07 Appvion, LLC Direct thermal recording media with diarylurea combinations for oil resistance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009040963A (en) * 2007-08-10 2009-02-26 Ricoh Co Ltd Heat sensitive adhesive sheet
JP4986781B2 (en) * 2007-09-13 2012-07-25 株式会社リコー Recording material
JP6664552B2 (en) * 2016-10-07 2020-03-13 ミツビシ ハイテク ペイパー ユーロップ ゲー・エム・ベー・ハーＭｉｔｓｕｂｉｓｈｉ ＨｉＴｅｃ Ｐａｐｅｒ Ｅｕｒｏｐｅ ＧｍｂＨ Thermal recording material
JP6971787B2 (en) * 2017-11-07 2021-11-24 日本化薬株式会社 Thermal recording material

Also Published As

Publication number Publication date
KR20260041791A (en) 2026-03-27
WO2025018318A1 (en) 2025-01-23
CN121487838A (en) 2026-02-06

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Legal Events

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