EP0414509A3 - Heat sensitive record material - Google Patents

Heat sensitive record material Download PDF

Info

Publication number
EP0414509A3
EP0414509A3 EP19900309181 EP90309181A EP0414509A3 EP 0414509 A3 EP0414509 A3 EP 0414509A3 EP 19900309181 EP19900309181 EP 19900309181 EP 90309181 A EP90309181 A EP 90309181A EP 0414509 A3 EP0414509 A3 EP 0414509A3
Authority
EP
European Patent Office
Prior art keywords
heat sensitive
record material
sensitive record
microcapsules
chromogenic
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
EP19900309181
Other versions
EP0414509B1 (en
EP0414509A2 (en
Inventor
Robert J. Kalishek
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.)
Appvion Operations Inc
Original Assignee
Appleton Papers Inc
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 Appleton Papers Inc filed Critical Appleton Papers Inc
Publication of EP0414509A2 publication Critical patent/EP0414509A2/en
Publication of EP0414509A3 publication Critical patent/EP0414509A3/en
Application granted granted Critical
Publication of EP0414509B1 publication Critical patent/EP0414509B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41M5/28—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

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Paints Or Removers (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Paper (AREA)

Abstract

Heat sensitive record material in which microcapsules of a polyisocyanate/active hydrogen compound reaction product comprise a chromogenic-material; microcapsules as such.
EP90309181A 1989-08-24 1990-08-22 Heat sensitive record material Expired - Lifetime EP0414509B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US39803189A 1989-08-24 1989-08-24
US398031 1989-08-24

Publications (3)

Publication Number Publication Date
EP0414509A2 EP0414509A2 (en) 1991-02-27
EP0414509A3 true EP0414509A3 (en) 1991-10-02
EP0414509B1 EP0414509B1 (en) 1994-09-21

Family

ID=23573720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90309181A Expired - Lifetime EP0414509B1 (en) 1989-08-24 1990-08-22 Heat sensitive record material

Country Status (8)

Country Link
EP (1) EP0414509B1 (en)
AT (1) ATE111820T1 (en)
AU (1) AU6123590A (en)
CA (1) CA1339248C (en)
DE (1) DE69012718T2 (en)
ES (1) ES2060053T3 (en)
FI (1) FI96290C (en)
ZA (1) ZA906719B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113547855A (en) * 2020-04-26 2021-10-26 中国科学院理化技术研究所 Photothermal sensitive microcapsule and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1421418A1 (en) * 1961-04-29 1968-10-10 Lumoprint Zindler Kg Process for making copies and material for carrying out this process
FR2083120A5 (en) * 1970-02-28 1971-12-10 Fuji Photo Film Co Ltd Recording sheets containing liquid encap-sul - sensitive cap-sules
FR2208716A1 (en) * 1972-12-04 1974-06-28 Speiser Peter
FR2288104A1 (en) * 1974-10-16 1976-05-14 Sjoholm Ingvar BIOLOGICALLY ACTIVE SUBSTANCE IMMOBILIZED IN A THREE-DIMENSIONAL POLYMER NETWORK AND ITS APPLICATIONS
EP0284933A2 (en) * 1987-03-31 1988-10-05 Bayer Ag Foamed microspheres and process for their preparation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020781C2 (en) * 1980-05-31 1982-11-18 Hoechst Ag, 6000 Frankfurt Pressure-resistant microcapsules with a polyamide outer shell and an inner mass structured by polyurethane-polyurea or polyurea and process for their production
US4497793A (en) * 1980-08-11 1985-02-05 Pennwalt Corporation Microencapsulated naturally occuring pyrethrins
US4681806A (en) * 1986-02-13 1987-07-21 Minnesota Mining And Manufacturing Company Particles containing releasable fill material and method of making same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1421418A1 (en) * 1961-04-29 1968-10-10 Lumoprint Zindler Kg Process for making copies and material for carrying out this process
FR2083120A5 (en) * 1970-02-28 1971-12-10 Fuji Photo Film Co Ltd Recording sheets containing liquid encap-sul - sensitive cap-sules
FR2208716A1 (en) * 1972-12-04 1974-06-28 Speiser Peter
FR2288104A1 (en) * 1974-10-16 1976-05-14 Sjoholm Ingvar BIOLOGICALLY ACTIVE SUBSTANCE IMMOBILIZED IN A THREE-DIMENSIONAL POLYMER NETWORK AND ITS APPLICATIONS
EP0284933A2 (en) * 1987-03-31 1988-10-05 Bayer Ag Foamed microspheres and process for their preparation

Also Published As

Publication number Publication date
ES2060053T3 (en) 1994-11-16
FI904163A0 (en) 1990-08-22
EP0414509B1 (en) 1994-09-21
AU6123590A (en) 1991-02-28
DE69012718D1 (en) 1994-10-27
ZA906719B (en) 1991-07-31
EP0414509A2 (en) 1991-02-27
DE69012718T2 (en) 1995-02-09
CA1339248C (en) 1997-08-12
FI96290C (en) 1996-06-10
ATE111820T1 (en) 1994-10-15
FI96290B (en) 1996-02-29

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