CA2133932C - Pigment a microcapsules, memorisant la couleur et thermosensible - Google Patents

Pigment a microcapsules, memorisant la couleur et thermosensible

Info

Publication number
CA2133932C
CA2133932C CA 2133932 CA2133932A CA2133932C CA 2133932 C CA2133932 C CA 2133932C CA 2133932 CA2133932 CA 2133932 CA 2133932 A CA2133932 A CA 2133932A CA 2133932 C CA2133932 C CA 2133932C
Authority
CA
Canada
Prior art keywords
temperature
color
alcohol
carbon atoms
esters
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.)
Expired - Fee Related
Application number
CA 2133932
Other languages
English (en)
Other versions
CA2133932A1 (fr
Inventor
Kuniyuki Senga
Tsutomu Kito
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.)
Pilot Ink Co Ltd
Original Assignee
Pilot Ink 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 Pilot Ink Co Ltd filed Critical Pilot Ink Co Ltd
Priority to CA 2133932 priority Critical patent/CA2133932C/fr
Publication of CA2133932A1 publication Critical patent/CA2133932A1/fr
Application granted granted Critical
Publication of CA2133932C publication Critical patent/CA2133932C/fr
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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/305—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers with reversible electron-donor electron-acceptor compositions
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0097—Dye preparations of special physical nature; Tablets, films, extrusion, microcapsules, sheets, pads, bags with dyes
    • 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
    • B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
    • B41M5/287—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using microcapsules or microspheres only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
CA 2133932 1994-10-20 1994-10-20 Pigment a microcapsules, memorisant la couleur et thermosensible Expired - Fee Related CA2133932C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2133932 CA2133932C (fr) 1994-10-20 1994-10-20 Pigment a microcapsules, memorisant la couleur et thermosensible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2133932 CA2133932C (fr) 1994-10-20 1994-10-20 Pigment a microcapsules, memorisant la couleur et thermosensible

Publications (2)

Publication Number Publication Date
CA2133932A1 CA2133932A1 (fr) 1996-04-21
CA2133932C true CA2133932C (fr) 1998-04-28

Family

ID=4154497

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2133932 Expired - Fee Related CA2133932C (fr) 1994-10-20 1994-10-20 Pigment a microcapsules, memorisant la couleur et thermosensible

Country Status (1)

Country Link
CA (1) CA2133932C (fr)

Also Published As

Publication number Publication date
CA2133932A1 (fr) 1996-04-21

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Legal Events

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