WO2008026417A1 - Liquide de déplacement pour imprimante à jet d'encre, procédé d'enregistrement d'image à jet d'encre, et imprimante à jet d'encre - Google Patents

Liquide de déplacement pour imprimante à jet d'encre, procédé d'enregistrement d'image à jet d'encre, et imprimante à jet d'encre Download PDF

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Publication number
WO2008026417A1
WO2008026417A1 PCT/JP2007/065157 JP2007065157W WO2008026417A1 WO 2008026417 A1 WO2008026417 A1 WO 2008026417A1 JP 2007065157 W JP2007065157 W JP 2007065157W WO 2008026417 A1 WO2008026417 A1 WO 2008026417A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
ink jet
image recording
replacement liquid
inkjet
Prior art date
Application number
PCT/JP2007/065157
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English (en)
Japanese (ja)
Inventor
Satoshi Masumi
Original Assignee
Konica Minolta Medical & Graphic, 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 Konica Minolta Medical & Graphic, Inc. filed Critical Konica Minolta Medical & Graphic, Inc.
Priority to JP2008532005A priority Critical patent/JPWO2008026417A1/ja
Publication of WO2008026417A1 publication Critical patent/WO2008026417A1/fr

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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
    • C09D11/02—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/1707—Conditioning of the inside of ink supply circuits, e.g. flushing during start-up or shut-down

Definitions

  • the present invention relates to a replacement liquid for an ink jet printer, and more specifically, a replacement liquid for an ink jet printer applied to an ink jet printer having an ink supply path made of a metal material, an ink jet image recording method and an ink jet printer using the same.
  • a replacement liquid for an ink jet printer applied to an ink jet printer having an ink supply path made of a metal material, an ink jet image recording method and an ink jet printer using the same.
  • Inkjet recording methods have been applied to various printing fields such as photography, various printing, marking, special printing such as color filters, etc., from the viewpoint of simple and inexpensive image creation.
  • Inks used for the ink jet recording system are properly selected according to applications such as solvent-based ink-jet ink, oil-based ink-jet ink, solid-based ink jet ink, and curable ink-jet ink in addition to the commonly used water-based ink-jet ink.
  • curable ink-jet inks that are cured with active energy rays such as ultraviolet rays are attracting attention and are in great demand due to the variety of recording media that can be used.
  • a cationically polymerizable ink-jet ink has high safety and high sensitivity and is advantageously used by selecting a polymerizable compound and an initiator (see, for example, Patent Document 1). ).
  • an inkjet printer used in an inkjet recording method may easily cause clogging of the inkjet head.
  • Filtered or degassed ink may be used, or a filter may be provided in the inkjet printer.
  • regular maintenance of the inkjet head may be necessary to prevent clogging or to repair clogging.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2004-315778 (Claims)
  • Patent Document 2 JP-A-59-111856 (Claims)
  • Patent Document 3 JP-A-8-1953 (Claims)
  • Patent Document 4 Japanese Patent Publication No. 62-9030 (Claims)
  • An object of the present invention is to provide a replacement liquid for an ink jet printer that prevents nozzle clogging in an ink jet head, an ink jet image recording method and an ink jet printer using the same.
  • the compound having film-forming ability is selected from nitrite, borate, molybdate, carbonate, phosphate, sulfonate, amines, triazoles, thiazoles and imidazoles.
  • An ink jet image recording method for performing ink jet image recording wherein the ink contact portion is subjected to the step of bringing the ink contact portion into contact with the replacement liquid for an ink jet printer according to any one of 1 to 3 above.
  • An ink jet image recording method characterized by comprising:
  • the step of bringing the ink jet printer replacement liquid into contact includes the step of filling the ink supply path with the ink jet printer replacement liquid, or the process of circulating the ink jet printer replacement liquid in the ink supply path. 6.
  • FIG. 1 is a schematic view showing an example of cleaning an ink jet head using a replacement liquid for an ink jet printer of the present invention.
  • the filter holder is made of aluminum
  • the present invention is a replacement liquid for an ink jet printer (hereinafter also simply referred to as a replacement liquid) applied to an ink jet printer provided with an ink supply path having an ink contact portion made of a metal, and the replacement liquid includes: It contains a compound having a film-forming ability for the metal
  • the substitution liquid of the present invention can prevent nozzle clogging in the ink jet head by containing a compound having a film forming ability with respect to the metal constituting the ink contact portion of the ink supply path.
  • the ink supply path of the ink jet printer according to the present invention refers to all the ink contacts from the portion where the ink jet ink (hereinafter also simply referred to as ink) of the ink jet printer is stored to the portion where the ink is ejected from the ink jet printer.
  • the ink jet printer according to the present invention is characterized in that at least a part of the ink supply path has an ink contact portion made of a metal force.
  • the ink contact part as used in the present invention is a part that contacts when passing through the ink supply path before being ejected from the ink-jet S inkjet head, and the part of which the surface is made of metal! / [0028]
  • Examples of the metal member constituting the ink contact portion according to the present invention include iron, an alloy of iron and chromium (stainless steel), anodized aluminum, and the like.
  • the replacement liquid for an ink jet printer of the present invention is a liquid that can be used for an ink jet printer that performs ink jet image recording using an ink jet ink and can be replaced by an ink for performing image recording and an ink supply path.
  • the replacement liquid can be used as a cleaning liquid for cleaning the ink supply path performed before ink jet image recording, a filling liquid for filling the ink supply path with a liquid, or the like.
  • the compound having the ability to form a film on the metal constituting the ink contact part according to the present invention is a compound that can be adsorbed on the metal surface when the replacement liquid contacts the metal.
  • Examples of compounds having film-forming ability include nitrites such as sodium nitrite and potassium nitrite, nitrates such as sodium nitrate and potassium nitrate, borate salts such as sodium borate and potassium borate, ammonium molybdate, and molybdenum.
  • Molybdates such as potassium silicate, carboxylates such as potassium oleate, sodium stearate, sodium alkyl ether carboxylate, phosphates such as sodium pyrophosphate, oxalates such as potassium silicate and sodium silicate , Sulphonate such as sodium benzene sulphonate, phosphonate such as sodium methylene phosphonate, amines such as monoethanolamine and triethanolamine, triazoles such as benzotriazole, mercaptobenzothiazole, Nzo Examples include thiazoles such as azolethioacetic acid, 2-benzothiazolethiopropionic acid, 2-benzothiazolepropionic acid, imidazoles such as benzimidazole, and anionic surfactants such as alkylbenzenesulfonic acid, and these are preferable. Used.
  • the compound having an adsorption-type film-forming ability is a type that forms an oxide film on the metal surface, a type that forms a film on the metal surface by combining with components in the liquid such as calcium ions, and a film together with metal ions.
  • a precipitation film type that forms a film
  • an adsorption film type in which molecules having a polar group and a hydrophobic group are adsorbed to a metal surface via polarity.
  • Examples of the compound adsorbed in the oxide film type include nitrite, nitrate, molybdate and the like.
  • Examples of compounds adsorbed in the precipitation film type include phospho Phosphates, polymerized phosphates, zinc salts, borates, triazole compounds, imidazole compounds
  • adsorbing film type adsorbing compound examples include amines and anionic surfactants.
  • the concentration of the compound having a film-forming ability in the replacement liquid is not particularly limited as long as it is within the range of dissolution. From the viewpoint of prevention of clogging and ink ejection stability, 0.01% by mass to 25% mass
  • the solvent used in the substitution liquid of the present invention for example, water is preferable when used as a water-based ink as an ink.
  • the ink is organic solvent-based, aliphatic alcohols such as methanol, ethanol, and polypropylene V, and ketones such as dimethyl ketone and methyl ethyl ketone
  • glycol ethers glycol esters
  • aromatic hydrocarbons aliphatic hydrocarbons
  • amides amino alcohols
  • morpholine pyridine
  • other nitrogen-containing compounds
  • this cationic polymerization type active energy line curable ink which is preferably a cationic polymerization type active energy ray curable ink used in an ink jet printer
  • a cyclic ester compound it is preferable to use a cyclic ester compound.
  • propylene carbonate, ⁇ -propiolatathone, ⁇ -butyrolatathone, ⁇ -methinoleto ⁇ -butyrolatathone, ⁇ -butyrolatathone, ⁇ -bare latataton, ⁇ -valerolataton, ⁇ -one-prolacton, ⁇ -force-prolatatone, and ⁇ -heptanolataton are preferably used.
  • the viscosity at 25 ° C is preferably lower than the viscosity at 25 ° C of the ink to be newly filled from the viewpoint that the replacement efficiency can be further improved.
  • the substitution liquid of the present invention preferably has a surface tension at 25 ° C of 20 to 40 mN / m from the viewpoint of filling properties.
  • a means for adjusting the surface tension it is preferable to include a force S that can use a known surfactant, and a nonionic surfactant.
  • the replacement liquid is a force used as an aqueous solution, non-aqueous solution, or the like. It is preferable from the viewpoint of enhancing the effect.
  • the water content is preferably 2.0% by mass or less, and more preferably 0.5% by mass or less.
  • the replacement liquid of the present invention is brought into contact with an ink supply path before image recording using ink, and then replaced with ink used for image recording to perform image recording.
  • a method of performing inkjet image recording after passing through the step of bringing the replacement liquid into contact with the ink contact portion is a preferred mode.
  • the replacement liquid When the replacement liquid is circulated in the ink supply path, it is preferable to circulate the replacement liquid a plurality of times from the viewpoint of enhancing the effect.
  • the present invention is particularly effective when the ink contact part is an inkjet head.
  • the image recording method of the present invention has a step of circulating the replacement liquid in the ink supply path, that is, when the replacement liquid is used as a cleaning liquid, see FIG. explain.
  • the drawings show one embodiment of the present invention, and the embodiments of the present invention are not limited to this drawing.
  • FIG. 1 is a schematic view showing an example of cleaning an ink jet head using the replacement liquid for an ink jet printer of the present invention.
  • a rubber cap 3 is in close contact with the nozzle section 2 of the inkjet head 1, and is connected to a liquid feed pump 6 (for example, a tubing pump) via a replacement liquid feed pipe 5A.
  • a liquid feed pump 6 for example, a tubing pump
  • the inkjet head 1 heats the ink flow path with a surface heater. It has a mechanism that can do it, and the power of S is preferable!
  • the liquid feed pump 6 is connected to the replacement liquid storage container 8 via the liquid feed pipe 5B.
  • the replacement liquid storage container 8 a fixed volume of the replacement liquid 7 is stored.
  • a liquid supply pipe 5C is disposed, and the replacement liquid 7 is placed upstream of the liquid supply pipe 5C.
  • a filter 9 for example, a disk filter having a filtration diameter of 3 Hm
  • the replacement liquid 7 is supplied from the replacement liquid inlet 4 provided in the inkjet head 1 via the liquid supply pipe 5D.
  • the replacement liquid 7 stored in the replacement liquid storage container 8 is supplied to the inkjet head 1 through the filter 9 and filled or circulated for cleaning the inkjet head 1. It consists of a liquid process A and a discharge process B in which the replacement liquid used for cleaning is discharged to the nozzle part 2 force replacement liquid storage container 8 using a liquid feed pump.
  • the liquid supply pump 6 is operated in the replacement liquid circulation path of FIG. After removing the foreign substance and the like from the replacement liquid 7 stored in the storage container 8 with the filter 9 through the liquid supply pipe 5C, the liquid is transferred from the replacement liquid inflow section 4 into the inkjet head 1 heated by a surface heater or the like. The solvent and ink remaining in the inkjet head 1 are dissolved in the replacement liquid 7, and then the replacement liquid 7 is fed out of the inkjet head 1 through the nozzle portion 2. By performing this operation for a certain period of time, the inside of the inkjet head 1 is completely replaced with a replacement liquid, cleaned, and effectively prevents aggregation and the like when the ink is filled in the inkjet head. Monkey.
  • the image forming method of the present invention is particularly effective when the replacement liquid is applied to an ink jet printer using a cationic polymerization type active energy ray-curable ink as the ink jet ink.
  • the cationic polymerization type active energy ray-curable ink is an ink containing a cationic polymerizable compound and a cationic polymerization initiator.
  • the cationic polymerizable compound include oxetane groups such as oxetane groups and epoxy groups described in JP-A-2004-315778.
  • cationic polymerization initiators examples include arylene sulfone salt derivatives (for example, Adekaoptomer SP-150 manufactured by Asahi Denka Kogyo Co., Ltd.), and arylodium salt derivatives (for example, Rhodia RP-2074), allene ion complex derivatives (for example, Irgacure 261 manufactured by Ciba-Gaigi Co., Ltd.), diazodium salt derivatives, triazine initiators, and other acid generators such as halides. It is done.
  • arylene sulfone salt derivatives for example, Adekaoptomer SP-150 manufactured by Asahi Denka Kogyo Co., Ltd.
  • arylodium salt derivatives for example, Rhodia RP-2074
  • allene ion complex derivatives for example, Irgacure 261 manufactured by Ciba-Gaigi Co., Ltd.
  • diazodium salt derivatives triazine initiators
  • triazine initiators
  • OXT—221 (Oxetane compound manufactured by Toagosei Co., Ltd.) 71 parts After the above solution was cooled to room temperature, 20 parts Pigment Red 122 (manufactured by Dainichi Seika Co., Ltd., CFR—321) as a pigment was added to a diameter of 0.5 mm. A glass dispersion was placed in a glass bottle together with 200 g of zirconia beads and dispersed in a paint shaker for 6 hours, after which the zirconia beads were removed to prepare pigment dispersion a.
  • the viscosity of the ink A at 25 ° C was 25 mPa's.
  • Pigment Pigment dispersion a 12. 5%
  • Photopolymerizable compound (alicyclic epoxy compound: Celoxide 2021P, Daicel Chemical Industries 25. 0%
  • Photopolymerizable compound OXT—221, manufactured by Toagosei Co., Ltd. 40.
  • 0% Photopolymerizable compound Oxetane compound: ⁇ —213, manufactured by Toagosei Co., Ltd.
  • 0% Surfactant KF—351 ( (Shin-Etsu Chemical Co., Ltd.) 0.4%
  • Basic compound Triptylamin 0.1%
  • OXT-213 Oxetane compound (manufactured by Toagosei Co., Ltd.)
  • OXT—221 Oxetane compound (manufactured by Toagosei Co., Ltd.)
  • a test piece prepared by cutting the filter used in the ink flow path was immersed in the prepared replacement solutions 1 to 14 described above.
  • test piece was immersed in ink A at 70 ° C for 24 hours.
  • the above prepared replacement liquid 15 to 26 was filled into an aluminum ink tank with scratches inside.
  • the ejection stability was evaluated using each of the prepared replacement liquid and ink A.
  • the ink supply path in the printer head had an ink contact portion made of aluminum.
  • the inkjet head cleaning apparatus shown in FIG. 1 is used, and the inkjet head 1 includes a piezo-type ink jet recording head (256) in which a solvent is left in an amount corresponding to 5% of the total internal volume. Nozzle) was used, liquid feed pump 6 (tubing pump) was used, and each replacement liquid was circulated for 5 minutes under the condition of 20 mlZmin. [0074] Next! /, The ink jet head 1 washed with each of the replacement liquids is filled with ink A, and the ink jet head 1 is heated to 50 ° C, with a drive frequency of 4 kHz and ink droplets per cycle. The conditions were such that 6 gradations could be expressed by 5 drops of 4p 1 being continuously discharged, and the drive voltage was adjusted so that the droplet velocity was 6 m / s.
  • the image recording method using the replacement liquid of the present invention is capable of agglomeration and the like even after continuous ejection over a long period of time after filling with ink. It can be seen that a stable ejection property without causing a defective emission due to the occurrence is obtained, and that the nozzle clogging prevention property is excellent.

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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)
  • Ink Jet (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

La présente invention concerne un liquide de déplacement pour imprimantes à jet d'encre capable d'empêcher l'obstruction des buses de la tête d'impression à jet d'encre. La présente invention concerne également un procédé d'enregistrement d'image à jet d'encre et une imprimante à jet d'encre utilisant l'un et l'autre le liquide de déplacement. Le liquide de déplacement est utilisé dans des imprimantes à jet d'encre équipées d'une voie d'alimentation en encre présentant une partie de contact d'encre fabriquée en métal et contient un composé pouvant former un film sur le métal.
PCT/JP2007/065157 2006-09-01 2007-08-02 Liquide de déplacement pour imprimante à jet d'encre, procédé d'enregistrement d'image à jet d'encre, et imprimante à jet d'encre WO2008026417A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008532005A JPWO2008026417A1 (ja) 2006-09-01 2007-08-02 インクジェットプリンタ用置換液、インクジェット画像記録方法及びインクジェットプリンタ

Applications Claiming Priority (2)

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JP2006237555 2006-09-01
JP2006-237555 2006-09-01

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WO2008026417A1 true WO2008026417A1 (fr) 2008-03-06

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015182444A (ja) * 2014-03-26 2015-10-22 ブラザー工業株式会社 液体吐出装置及び液体吐出装置の保存方法
US10518537B1 (en) 2018-11-29 2019-12-31 Xerox Corporation System and method for attenuating the drying of ink from a printhead
US10518551B1 (en) 2018-12-11 2019-12-31 Xerox Corporation System and method for attenuating the drying of ink from a printhead
US10632757B1 (en) 2018-12-10 2020-04-28 Xerox Corporation System and method for attenuating the drying of ink from a printhead during idle periods
US10696052B1 (en) 2019-02-11 2020-06-30 Xerox Corporation Submersion cap devices stabilizing ink in nozzles of inkjet printheads
US10710371B1 (en) 2019-02-11 2020-07-14 Xerox Corporation Inkjet printhead cap having latching system
US10710370B2 (en) 2018-12-18 2020-07-14 Xerox Corporation System and method for attenuating the drying of ink from a printhead during periods of printhead inactivity
US10717284B1 (en) 2019-03-28 2020-07-21 Xerox Corporation System and method for attenuating the drying of ink from a printhead during periods of printer inactivity
US10800174B2 (en) 2019-02-11 2020-10-13 Xerox Corporation Evaporative ink-blocking film devices stabilizing ink in nozzles of inkjet printheads
US10814631B2 (en) 2019-02-11 2020-10-27 Xerox Corporation Inkjet printhead cap having rotatable panels
US10857798B2 (en) 2019-02-11 2020-12-08 Xerox Corporation Cap and evaporative devices stabilizing ink in nozzles of inkjet printheads
US10889117B2 (en) 2019-03-28 2021-01-12 Xerox Corporation System and method for attenuating the drying of ink from a printhead during periods of printer inactivity
US10894411B2 (en) 2019-02-11 2021-01-19 Xerox Corporation Cap and application devices stabilizing ink in nozzles of inkjet printheads
US10919299B1 (en) 2019-09-05 2021-02-16 Xerox Corporation System and method to counteract the drying of aqueous inks in a printhead
US11383525B2 (en) 2020-06-10 2022-07-12 Xerox Corporation System and method for efficiently purging printheads

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003165207A (ja) * 2001-11-30 2003-06-10 Hitachi Printing Solutions Ltd インクジェット記録装置
JP2004182875A (ja) * 2002-12-04 2004-07-02 Konica Minolta Holdings Inc カチオン重合性光硬化インク用洗浄液及びインクジェットプリンタのクリーニング方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003165207A (ja) * 2001-11-30 2003-06-10 Hitachi Printing Solutions Ltd インクジェット記録装置
JP2004182875A (ja) * 2002-12-04 2004-07-02 Konica Minolta Holdings Inc カチオン重合性光硬化インク用洗浄液及びインクジェットプリンタのクリーニング方法

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015182444A (ja) * 2014-03-26 2015-10-22 ブラザー工業株式会社 液体吐出装置及び液体吐出装置の保存方法
US10518537B1 (en) 2018-11-29 2019-12-31 Xerox Corporation System and method for attenuating the drying of ink from a printhead
US10632757B1 (en) 2018-12-10 2020-04-28 Xerox Corporation System and method for attenuating the drying of ink from a printhead during idle periods
US10518551B1 (en) 2018-12-11 2019-12-31 Xerox Corporation System and method for attenuating the drying of ink from a printhead
US10710370B2 (en) 2018-12-18 2020-07-14 Xerox Corporation System and method for attenuating the drying of ink from a printhead during periods of printhead inactivity
US10933641B2 (en) 2018-12-18 2021-03-02 Xerox Corporation Method for attenuating the drying of ink from a printhead during periods of printhead inactivity
US10800174B2 (en) 2019-02-11 2020-10-13 Xerox Corporation Evaporative ink-blocking film devices stabilizing ink in nozzles of inkjet printheads
US10710371B1 (en) 2019-02-11 2020-07-14 Xerox Corporation Inkjet printhead cap having latching system
US10814631B2 (en) 2019-02-11 2020-10-27 Xerox Corporation Inkjet printhead cap having rotatable panels
US10857798B2 (en) 2019-02-11 2020-12-08 Xerox Corporation Cap and evaporative devices stabilizing ink in nozzles of inkjet printheads
US10894411B2 (en) 2019-02-11 2021-01-19 Xerox Corporation Cap and application devices stabilizing ink in nozzles of inkjet printheads
US10696052B1 (en) 2019-02-11 2020-06-30 Xerox Corporation Submersion cap devices stabilizing ink in nozzles of inkjet printheads
US10717284B1 (en) 2019-03-28 2020-07-21 Xerox Corporation System and method for attenuating the drying of ink from a printhead during periods of printer inactivity
US10889117B2 (en) 2019-03-28 2021-01-12 Xerox Corporation System and method for attenuating the drying of ink from a printhead during periods of printer inactivity
US10919299B1 (en) 2019-09-05 2021-02-16 Xerox Corporation System and method to counteract the drying of aqueous inks in a printhead
US11383525B2 (en) 2020-06-10 2022-07-12 Xerox Corporation System and method for efficiently purging printheads

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