EP0390432B1 - Chromogène - Google Patents

Chromogène Download PDF

Info

Publication number
EP0390432B1
EP0390432B1 EP19900303121 EP90303121A EP0390432B1 EP 0390432 B1 EP0390432 B1 EP 0390432B1 EP 19900303121 EP19900303121 EP 19900303121 EP 90303121 A EP90303121 A EP 90303121A EP 0390432 B1 EP0390432 B1 EP 0390432B1
Authority
EP
European Patent Office
Prior art keywords
color
dye
former
diethylamino
methyl
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 - Lifetime
Application number
EP19900303121
Other languages
German (de)
English (en)
Other versions
EP0390432A2 (fr
EP0390432A3 (fr
Inventor
Masahiro C/O Oiso Branch Sakamoto
Tsutomu C/O Oiso Branch Murano
Shozo C/O Oiso Branch Harada
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.)
Nippon Paper Industries Co Ltd
Original Assignee
Nippon Paper Industries Co Ltd
Jujo 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13555488&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0390432(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Paper Industries Co Ltd, Jujo Paper Co Ltd filed Critical Nippon Paper Industries Co Ltd
Publication of EP0390432A2 publication Critical patent/EP0390432A2/fr
Publication of EP0390432A3 publication Critical patent/EP0390432A3/fr
Application granted granted Critical
Publication of EP0390432B1 publication Critical patent/EP0390432B1/fr
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
    • 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
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/165—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components characterised by the use of microcapsules; Special solvents for incorporating the ingredients

Claims (7)

  1. Un chromogène constitué de microcapsules contenant un colorant incolore donneur d'électrons dispersé dans un liquide hydrophobe par un agent tensio-actif non ionique, un agent tensio-actif polymérisé, ou un composé polaire à chaîne longue soluble dans l'huile.
  2. Un chromogène selon la revendication 1, dans lequel la concentration du colorant dans le liquide hydrophobe est de 2 à 60 % en poids.
  3. Un chromogène selon la revendication 1 ou 2, dans lequel la dispersion du colorant dans le liquide hydrophobe est effectuée par un agent tension-actif non ionique qui peut être au moins un ester sorbitique d'acide gras, un ester sorbitique de polyoxyéthylène d'acide gras, un ester de polyéthylène glycol d'acide gras, un éther alcoylphénylique de polyoxyéthylène ou un dérivé de la lanoline ou de la cire d'abeille.
  4. Un chromogène selon la revendication 1, 2 ou 3, dans lequel la quantité d'agent tensio-actif non ionique, d'agent tensio-actif polymérisé ou de composé polaire à chaîne longue soluble dans l'huile est de 2 à 40 % en poids du liquide hydrophobe.
  5. Un chromogène selon l'une ou l'autre des revendications qui précèdent, dans lequel le colorant a une dimension particulaire moyenne de 0,1 à 5 µ.
  6. Un chromogène selon la revendication 5 , dans lequel le colorant a une dimension particulaire moyenne de 0,5 à 2 µ.
  7. L'utilisation d'un chromogène selon l'une ou l'autre des revendications qui précèdent dans un support d'enregistrement pressosensible ou une matière indicatrice de température.
EP19900303121 1989-03-27 1990-03-23 Chromogène Expired - Lifetime EP0390432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1074725A JPH0741738B2 (ja) 1989-03-27 1989-03-27 発色材料
JP74725/89 1989-03-27

Publications (3)

Publication Number Publication Date
EP0390432A2 EP0390432A2 (fr) 1990-10-03
EP0390432A3 EP0390432A3 (fr) 1991-05-22
EP0390432B1 true EP0390432B1 (fr) 1994-10-19

Family

ID=13555488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900303121 Expired - Lifetime EP0390432B1 (fr) 1989-03-27 1990-03-23 Chromogène

Country Status (4)

Country Link
EP (1) EP0390432B1 (fr)
JP (1) JPH0741738B2 (fr)
AU (1) AU630680B2 (fr)
DE (1) DE69013383T2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113086D0 (en) * 1991-06-18 1991-08-07 Wiggins Teape Group Ltd Solvent compositions for use in pressure-sensitive copying paper
EP0573210B2 (fr) * 1992-06-04 2005-11-23 Arjo Wiggins Limited Matériau d'enregistrement sensible à la pression
GB9221621D0 (en) * 1992-10-15 1992-11-25 Wiggins Teape Group Ltd Solvents for use in pressure-sensitive record material
GB9318369D0 (en) * 1993-09-04 1993-10-20 Carrs Paper Ltd Pressure-sensitive record materials
GB9318371D0 (en) * 1993-09-04 1993-10-20 Carrs Paper Ltd Pressure-sensitive record materials
US6071852A (en) * 1994-09-05 2000-06-06 Carrs Paper Limited Pressure-sensitive record materials

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB184992A (en) * 1921-07-29 1922-08-31 Henry Alfred Oake Improvements in or relating to advertising devices
JPS558856A (en) * 1978-07-05 1980-01-22 Mitsubishi Paper Mills Ltd Covering of finely dispersed liquid droplet with thin film
JPS55158998A (en) * 1979-05-29 1980-12-10 Mitsubishi Paper Mills Ltd Manufacturing of microcapsule
JPS5634495A (en) * 1979-08-31 1981-04-06 Kureha Chem Ind Co Ltd Pressure sensitive copying paper
JPS5711085A (en) * 1980-06-25 1982-01-20 Nippon Petrochem Co Ltd Recording material
JPS57116686A (en) * 1981-01-13 1982-07-20 Kureha Chem Ind Co Ltd Pressure-sensitive recording paper
JPS59214691A (ja) * 1983-05-21 1984-12-04 Mitsubishi Paper Mills Ltd 感熱記録紙
JPS6122985A (ja) * 1984-07-12 1986-01-31 Toa Nenryo Kogyo Kk 感圧複写紙用溶剤
JPS61242886A (ja) * 1985-04-22 1986-10-29 Fuji Photo Film Co Ltd 多色感熱記録材料
JPS61286337A (ja) * 1985-06-13 1986-12-16 Kureha Chem Ind Co Ltd １−トリル−２−フエニルプロパン
JPS62129141A (ja) * 1985-11-29 1987-06-11 Fuji Photo Film Co Ltd マイクロカプセルの製造方法
FR2591124B1 (fr) * 1985-12-10 1988-02-12 Rhone Poulenc Spec Chim Procede de microencapsulation par polyaddition-interfaciale.
JPS62257879A (ja) * 1986-05-02 1987-11-10 Kureha Chem Ind Co Ltd 感圧記録紙用染料溶剤及びその溶剤を用いた感圧記録紙
JPS62257880A (ja) * 1986-05-02 1987-11-10 Kureha Chem Ind Co Ltd 感圧記録紙用染料溶剤及びその溶剤を用いた感圧記録紙
JPS63118288A (ja) * 1986-11-07 1988-05-23 Kawasaki Steel Corp 感圧複写紙用溶剤及びその製造方法
JPH07121612B2 (ja) * 1986-11-20 1995-12-25 日本石油化学株式会社 複写材料
JPH07121611B2 (ja) * 1986-11-20 1995-12-25 日本石油化学株式会社 複写材料
JPH0737179B2 (ja) * 1986-12-30 1995-04-26 日本石油化学株式会社 感圧複写材料
JP2559112B2 (ja) * 1987-02-09 1996-12-04 東燃株式会社 感圧複写紙用溶剤
FR2610537A1 (fr) * 1987-02-11 1988-08-12 Rhone Poulenc Chimie Procede ameliore de microencapsulation par polyaddition interfaciale
JPS63203376A (ja) * 1987-02-19 1988-08-23 Kureha Chem Ind Co Ltd 感圧記録紙用染料溶剤
JPH02106387A (ja) * 1988-10-14 1990-04-18 Kanzaki Paper Mfg Co Ltd 感圧複写シート
JP2675594B2 (ja) * 1988-10-18 1997-11-12 三菱製紙株式会社 マイクロカプセル製造用乳化剤、該乳化剤を用いてなるマイクロカプセル及びその製造方法並びに該マイクロカプセルを用いたノーカーボン感圧複写紙

Also Published As

Publication number Publication date
JPH02252576A (ja) 1990-10-11
DE69013383D1 (de) 1994-11-24
JPH0741738B2 (ja) 1995-05-10
AU630680B2 (en) 1992-11-05
AU5210390A (en) 1990-09-27
DE69013383T2 (de) 1995-02-23
EP0390432A2 (fr) 1990-10-03
EP0390432A3 (fr) 1991-05-22

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