WO2004055122A1 - インクジェットインク及び記録方法 - Google Patents
インクジェットインク及び記録方法 Download PDFInfo
- Publication number
- WO2004055122A1 WO2004055122A1 PCT/JP2003/016151 JP0316151W WO2004055122A1 WO 2004055122 A1 WO2004055122 A1 WO 2004055122A1 JP 0316151 W JP0316151 W JP 0316151W WO 2004055122 A1 WO2004055122 A1 WO 2004055122A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- ink jet
- ultraviolet
- recording
- dissolved oxygen
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
Definitions
- the present invention relates to an ultraviolet-curable ink jet ink which can be reacted and cured by irradiating ultraviolet rays, and an ink jet recording method for forming and fixing an image by an ink jet recording method.
- the present invention relates to an ink ink and an ink jet recording method.
- the ink jet recording method has been applied to various printing fields such as photography, various kinds of printing, marking, special printing such as a color filter, etc. since images can be easily and inexpensively created.
- recording devices that eject and control fine dots, ink jet inks with improved color gamut, durability, and ejection suitability, and special papers that have dramatically improved their absorptivity, color material coloration, surface gloss, etc. It is possible to obtain image quality comparable to silver halide photography.
- the improvement of the image quality of the ink jet recording system has been achieved only when the recording apparatus, ink jet ink (hereinafter, also simply referred to as ink), and special paper are all provided.
- an ink jet system that requires special paper has a problem in that the cost of the recording medium increases because the recording medium is limited. Therefore, many attempts have been made to record on a transfer-receiving medium different from special paper by an ink jet recording method.
- a phase-change ink jet recording method using a wax ink that is solid at room temperature There are a solvent-based ink jet recording method using an ink mainly composed of a fast-drying organic solvent, and a UV ink jet recording method using an ultraviolet curable ink which is crosslinked by ultraviolet (UV) light after recording.
- the UV ink jet recording method has attracted attention in recent years because it has a relatively low odor compared to the solvent-based ink jet method, and can record on recording media that does not absorb ink such as quick-drying and plastic supports. .
- Patent Documents 1 to 3 disclose UV-curable inks, but they are not sufficient for adhesion to various supports, high sensitivity, storage stability of ink, and ejection stability of the ink. What we want is the current situation.
- Ultraviolet-curable inks are broadly classified into solventless UV inks that hardly contain non-curable solvents, and aqueous UV inks in which a photopolymerizable compound is dissolved or dispersed in an aqueous medium or the like.
- Solventless UV inks have already been put into practical use because they have the advantages of being able to cure and dry the inks only by irradiation with ultraviolet light, being suitable for high-speed recording, and having no generation of harmful substances such as VOCs.
- the solventless UV ink does not undergo volume shrinkage after curing, the ink is fixed in a state of being raised on the recording substrate, so that a feeling of unevenness occurs.
- the timing of UV irradiation The leveling of the ink by improving the physical properties of the ink eliminates some unevenness, but the problem is that the texture between the ordinary print and the texture differs due to the gap between dots and excessive gloss. is there.
- an aqueous UV ink using an aqueous medium is diluted with an aqueous solvent, so a higher viscosity polymerizable compound can be used compared to a solventless UV ink.By volatilizing the aqueous medium after UV curing, the ink volume can be reduced. Thermal tie that can improve the texture on the substrate by reducing The feature is that the ink jet recording method of the printer can be used. In general, radically polymerizable compounds are widely used in this ink. In the radical reaction, it is known that a radical, which is an active species, is quenched by oxygen.
- Solventless UV inks have a lower viscosity than ordinary UV-curable paints and the like, and therefore have a high oxygen diffusivity to ink. For this reason, measures are taken to increase the irradiation intensity of ultraviolet rays, increase the concentration of the photoinitiator, etc., and generate active species at a higher rate than the diffusion of oxygen.
- the amount of dissolved oxygen is less than that of hydrophobic organic solvents and polymerization is less susceptible to polymerization inhibition.
- Patent Document 1 Color Materials, 2002, Vol. 75, No. 8, p. 394-400
- Patent Document 3 JP 2000-504778 A DISCLOSURE OF THE INVENTION
- An object of the present invention is to provide an ultraviolet-curable ink jet ink and a method of recording ink jet, which can provide stable injection performance even when recording is performed for a long period of time.
- one embodiment of the present invention is an ultraviolet curable ink jet ink containing at least a coloring material, an ultraviolet spring polymerizable compound and a photopolymerization initiator in an aqueous medium, comprising: An ink jet ink characterized in that the concentration of dissolved oxygen in the ink jet ink at 0.1 ° C. is 0.1 to 2 ppm.
- a UV-curable ink jet ink having a dissolved oxygen concentration of 0.1 to 2 ppm at 2.25 ° C.
- An ink jet recording method characterized by forming an image by irradiating light.
- the concentration of dissolved oxygen in the ultraviolet-curable ink jet ink is in a specific range.
- radical polymerizable compounds are used in UV inks.By setting the dissolved oxygen concentration in the ink to a specific range, this oxygen causes radicals, which are active species, to be entangled, eliminating the need for UV irradiation. It is thought that stable injection performance can be obtained even if recording is performed for a long period of time by preventing excessive polymerization.
- the dissolved oxygen concentration is less than 0.1 ppm, polymerization inhibition due to dissolved oxygen may occur. It becomes hard. In this case, the ink adhering to the surface of the ink jet nozzle gradually reacts due to the leak light from the ultraviolet irradiation device arranged adjacent to the ink jet nozzle, and the recording is performed for a long period of time, and the irradiation is performed when the ultraviolet light is irradiated. It becomes unstable. If the dissolved oxygen concentration is greater than 2 ppm, cavitation will occur due to the bubble nuclei remaining in the ink flow path and the bubble nuclei remaining on the pigment surface when a pigment is used as a coloring material. Further, a problem arises when the curing sensitivity is lowered by dissolved oxygen. A more preferable range of the dissolved oxygen concentration is 0.5 to 2 ppm.
- an image is formed by ejecting an inkjet ink having a dissolved oxygen concentration in a specific range onto a substrate surface and then irradiating the substrate with ultraviolet rays.
- an inkjet ink having a dissolved oxygen concentration in a specific range onto a substrate surface and then irradiating the substrate with ultraviolet rays.
- the ink itself comes into contact with the outside air, the amount of dissolved oxygen further increases. Therefore, it is preferable to use a material that shuts off the air in the ink liquid supply system so as to maintain 0.1 to 2 ppm.
- the dissolved ink can be reduced by subjecting the finished ink to a reduced pressure treatment, and can be increased by bringing it into contact with air.
- the amount of dissolved oxygen can be measured using a polarographic type 1 or Galva 2 type measuring instrument, but the polarographic type is preferable because of good reproducibility.
- a dissolved oxygen measuring device D ⁇ _32A manufactured by Toa DKK-IKK can be used.
- the coloring material As the coloring material, the UV-polymerizable compound (UV-polymerizable substance), the photopolymerization initiator, and the aqueous medium used in the present invention, the compounds described in JP-A-2000-117960 can be used. You.
- Typical ink compositions include Bignont Yellow 74, Pigment Pigment Blue 15: 3, Pigment Blue 7 and Pigment Black 7 are dispersed in water, and water-soluble UV-polymerizable compounds such as Compound 1 and Compound 2 have high viscosity, high reactivity, and water solubility. And a compound 3 combined with a water-soluble photopolymerization initiator.
- the effect is exhibited by using a radical polymerizable compound as the ultraviolet polymerizable compound. This is because by appropriately adjusting the amount of oxygen dissolved in the water-soluble medium, it becomes possible to suppress polymerization of the ink due to ultraviolet leakage light near the inkjet nozzle.
- radical polymerizable compound examples include, for example, JP-A-7-159893, JP-B-7-313939, JP-A-8-224982, and 10-86
- the compounds described in No. 3 can be mentioned.
- the radically polymerizable compound is a compound having a radically polymerizable ethylenically unsaturated bond, and may be any compound having at least one radically polymerizable ethylenically unsaturated bond in the molecule. , Monomers, oligomers, polymers and the like. Even if only one radical polymerizable compound is used In order to improve the desired properties, two or more of them may be used in an optional ratio.
- Examples of the compound having a radically polymerizable ethylenically unsaturated bond include unsaturated carboxylic acids such as acryl / leic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid, and maleic acid, and salts, esters, and urethanes thereof. And amide-anhydrides, acrylonitrile, styrene, and radically polymerizable compounds such as various unsaturated polyesters, unsaturated polyethers, unsaturated polyamides, and unsaturated urethanes.
- Acrylic acid derivatives methyl methacrylate, 11-butyl methacrylate, 2-ethylhexyl methacrylate, lauryl methacrylate, aryl methacrylate, glycidyl methacrylate, benzyl methacrylate, dimethylamino methyl methacrylate, 1, 6 Hexanediol / dimethacrylate, ethyleneglycol / resinmethacrylate , Triethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, polypropylene daricone resin methacrylate, trimethylonoleethane methacrylate, trimethylolpropane trimethacrylate, 2,2-bis (4-methacryloxypolyethoxy phenol) ) Methacryl derivatives such as propane, and derivatives of aryl compounds such as aryl glycidyl ether, diaryl phthalate and triallyl trimellitate.
- the amount of the radical polymerizable compound to be added is preferably 1 to 97% by mass, more preferably 30 to 95% by mass, based on the ink composition.
- a non-absorbable support can be used in addition to ordinary non-coated paper, coated paper, and the like.
- a non-absorbent support is used as the substrate. Preferably, it is used.
- various non-absorbable plastics and films thereof can be used as the non-absorbable support.
- the various plastic films include PET finolem, OPS finolem, OPP finolem, and ONy finolem.
- Other plastics include polycarbonate, acryl resin, ABS, polyacetal, PVA, Rubbers and the like can be used. It is also applicable to metals and glasses.
- the structure of the present invention is particularly effective when an image is formed on a PET film, an OPS film, an OPP film, an ONy film, or a PVC film that can be shrunk by heat. In these substrates, not only the curl and deformation of the film are likely to occur due to the curing shrinkage of the ink and the heat generated during the curing reaction, but also it is difficult for the ink film to follow the shrinkage of the substrate.
- the wet base has a wet index of 40 to 6 OmN / m as a force base material including an OPP film and an OPS film having a low surface energy and PET having a relatively high surface energy.
- the aqueous pigment dispersion contains a polyurethane resin with a number average molecular weight of 3000 as a dispersant
- Example 1 the measurement of dissolved oxygen concentration in Example using the dissolved oxygen measuring device DO- 3 2 A (manufactured by Toa Dikeke one Ltd.) was measured at 2 5 ° C, relative humidity 50% conditions.
- each ink was supplied to a piezo type inkjet head using a tank and piping made of PFA.
- a material having low gas permeation is used in the flow path from the ink tank to the ink jet nozzle.
- the present invention can provide a two-ray curable ink jet ink and an ink jet recording method.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Ink Jet (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030780820 EP1574553B1 (en) | 2002-12-18 | 2003-12-17 | Ink-jet ink and recording method |
US10/538,437 US7404631B2 (en) | 2002-12-18 | 2003-12-17 | Ink jet ink and recording method |
DE2003614774 DE60314774T2 (de) | 2002-12-18 | 2003-12-17 | Tintenstrahldrucktinte und -verfahren |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-366441 | 2002-12-18 | ||
JP2002366441A JP2004196936A (ja) | 2002-12-18 | 2002-12-18 | インクジェットインク及び記録方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004055122A1 true WO2004055122A1 (ja) | 2004-07-01 |
Family
ID=32588307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/016151 WO2004055122A1 (ja) | 2002-12-18 | 2003-12-17 | インクジェットインク及び記録方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7404631B2 (ja) |
EP (1) | EP1574553B1 (ja) |
JP (1) | JP2004196936A (ja) |
DE (1) | DE60314774T2 (ja) |
WO (1) | WO2004055122A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005097348A (ja) * | 2003-09-22 | 2005-04-14 | Konica Minolta Holdings Inc | 分散系インクジェットインクの製造方法及びインクジェット記録方法 |
JP5425357B2 (ja) * | 2005-08-16 | 2014-02-26 | 株式会社ミマキエンジニアリング | インクジェットプリンタとそれを用いたプリント方法 |
JP2007145889A (ja) * | 2005-11-24 | 2007-06-14 | Konica Minolta Holdings Inc | インクジェット用インクおよびインクジェット記録方法 |
JP5217088B2 (ja) * | 2005-12-13 | 2013-06-19 | コニカミノルタホールディングス株式会社 | インクジェット用インクとインクジェット用インクセット、及びインクジェット記録方法 |
JP2007204622A (ja) * | 2006-02-02 | 2007-08-16 | Konica Minolta Holdings Inc | インクジェット用インク、インクジェット用インクセットおよびインクジェット記録方法 |
JP2011016362A (ja) * | 2006-03-20 | 2011-01-27 | Seiko Epson Corp | インク収容体及び保存方法 |
JP2007283753A (ja) * | 2006-03-20 | 2007-11-01 | Seiko Epson Corp | インク収容体及び保存方法 |
JP4928892B2 (ja) | 2006-09-29 | 2012-05-09 | 富士フイルム株式会社 | インクジェット記録装置 |
US9056986B2 (en) | 2010-11-09 | 2015-06-16 | Seiko Epson Corporation | Ultraviolet curable type ink-jet ink composition, recording method and recording apparatus using same |
JP5486556B2 (ja) | 2011-06-28 | 2014-05-07 | 富士フイルム株式会社 | インク組成物、インク容器及びインクジェット記録方法 |
EP2644405B1 (en) | 2012-03-28 | 2015-06-17 | Seiko Epson Corporation | Ink jet recording method and ink jet recording apparatus |
JP6191120B2 (ja) | 2012-03-29 | 2017-09-06 | セイコーエプソン株式会社 | インクジェット記録方法、インクジェット記録装置 |
US10029483B2 (en) | 2012-04-25 | 2018-07-24 | Seiko Epson Corporation | Ink jet recording method, ultraviolet-ray curable ink, and ink jet recording apparatus |
JP6236768B2 (ja) | 2012-04-27 | 2017-11-29 | セイコーエプソン株式会社 | インクジェット記録方法、インクジェット記録装置 |
JP2014132083A (ja) * | 2012-05-29 | 2014-07-17 | Seiko Epson Corp | インク収容体、インクジェット記録方法 |
JP6142506B2 (ja) | 2012-05-29 | 2017-06-07 | セイコーエプソン株式会社 | インクジェットインク組成物、インク収容体、インクジェット記録方法 |
JP2014046480A (ja) * | 2012-08-29 | 2014-03-17 | Fujifilm Corp | インクジェット記録方法、及び、印刷物 |
JP6065535B2 (ja) | 2012-11-15 | 2017-01-25 | セイコーエプソン株式会社 | 紫外線硬化型インクジェット記録用インク組成物、インク収容体、及びインクジェット記録装置 |
DE102016101970A1 (de) * | 2016-02-04 | 2017-08-10 | Schmid Rhyner Ag | Verfahren zum Auftragen von Kunststoffbeschichtungen, Vorrichtung zur Durchführung des Verfahrens und verfahrensgemäß herstellbares beschichtetes Substrat |
JP6226011B2 (ja) * | 2016-03-24 | 2017-11-08 | セイコーエプソン株式会社 | インク収容体、インクジェット記録方法 |
JP6551486B2 (ja) * | 2017-10-05 | 2019-07-31 | セイコーエプソン株式会社 | インク収容体、インクジェット記録方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0517712A (ja) * | 1991-07-08 | 1993-01-26 | Seiko Epson Corp | インクジエツト記録用インクの脱気方法 |
GB2303376A (en) * | 1995-03-15 | 1997-02-19 | Fujitsu Isotec Ltd | Pigment ink for ink jet printer |
JPH09165541A (ja) * | 1995-12-14 | 1997-06-24 | Kao Corp | インクジェット記録用水系インク |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5274406A (en) * | 1975-12-05 | 1977-06-22 | Dainippon Toryo Kk | Ink for ink jet recording |
JPS57207065A (en) * | 1981-06-17 | 1982-12-18 | Seiko Epson Corp | Ink jet recorder |
JPS60119554A (ja) | 1983-12-02 | 1985-06-27 | Konishiroku Photo Ind Co Ltd | 熱現像カラ−感光材料 |
JPH06200204A (ja) | 1992-12-28 | 1994-07-19 | Brother Ind Ltd | 熱溶融性インク及びそれを用いたインクジェット記録装置 |
GB9603667D0 (en) | 1996-02-21 | 1996-04-17 | Coates Brothers Plc | Ink composition |
GB9606966D0 (en) | 1996-04-02 | 1996-06-05 | Sericol Ltd | Printing ink |
JP4065476B2 (ja) * | 1998-11-27 | 2008-03-26 | キヤノン株式会社 | カラーフィルタの製造方法及び表示装置の製造方法 |
JP2000318296A (ja) * | 1999-05-07 | 2000-11-21 | Kazuhiro Tachibana | インクジェット記録シート及びその製造法 |
US6608119B2 (en) * | 2000-02-01 | 2003-08-19 | Seiko Epson Corporation | Water-base ink, method of manufacturing the ink, and method of printing using the ink |
JP3893262B2 (ja) * | 2000-09-14 | 2007-03-14 | キヤノン株式会社 | 水性光硬化型樹脂組成物、水性インク、インクカートリッジ、記録ユニット及びインクジェット記録装置 |
JP2004122574A (ja) * | 2002-10-02 | 2004-04-22 | Konica Minolta Holdings Inc | インクジェット記録方法 |
-
2002
- 2002-12-18 JP JP2002366441A patent/JP2004196936A/ja active Pending
-
2003
- 2003-12-17 DE DE2003614774 patent/DE60314774T2/de not_active Expired - Lifetime
- 2003-12-17 US US10/538,437 patent/US7404631B2/en not_active Expired - Lifetime
- 2003-12-17 EP EP20030780820 patent/EP1574553B1/en not_active Expired - Fee Related
- 2003-12-17 WO PCT/JP2003/016151 patent/WO2004055122A1/ja active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0517712A (ja) * | 1991-07-08 | 1993-01-26 | Seiko Epson Corp | インクジエツト記録用インクの脱気方法 |
GB2303376A (en) * | 1995-03-15 | 1997-02-19 | Fujitsu Isotec Ltd | Pigment ink for ink jet printer |
JPH09165541A (ja) * | 1995-12-14 | 1997-06-24 | Kao Corp | インクジェット記録用水系インク |
Non-Patent Citations (2)
Title |
---|
NOGUCHI H.: "UV inkjet gijutsu no tenbo", SHIKIZAI KYOKAISHI, vol. 75, no. 8, 20 August 2002 (2002-08-20), pages 394 - 400, XP002986745 * |
See also references of EP1574553A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1574553A1 (en) | 2005-09-14 |
EP1574553A4 (en) | 2006-06-07 |
JP2004196936A (ja) | 2004-07-15 |
US7404631B2 (en) | 2008-07-29 |
DE60314774T2 (de) | 2008-03-06 |
DE60314774D1 (de) | 2007-08-16 |
EP1574553B1 (en) | 2007-07-04 |
US20060050116A1 (en) | 2006-03-09 |
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