WO2006025585A1 - インクジェット用ブラックインク、インクセット、インクジェット記録方法、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 - Google Patents
インクジェット用ブラックインク、インクセット、インクジェット記録方法、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 Download PDFInfo
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- WO2006025585A1 WO2006025585A1 PCT/JP2005/016359 JP2005016359W WO2006025585A1 WO 2006025585 A1 WO2006025585 A1 WO 2006025585A1 JP 2005016359 W JP2005016359 W JP 2005016359W WO 2006025585 A1 WO2006025585 A1 WO 2006025585A1
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- 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
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/328—Inkjet printing inks characterised by colouring agents characterised by dyes
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- 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
- C09D11/40—Ink-sets specially adapted for multi-colour inkjet printing
Definitions
- the present invention relates to an inkjet ink having a high image density, excellent ozone resistance, fixing recovery property, and high storage stability, and a small ink set using the ink as a black ink, an ink jet recording method, and an ink.
- the present invention relates to a cartridge, a recording unit, and an ink jet recording apparatus. Background art
- the ink jet recording method is a recording method in which ink droplets are applied on a recording medium such as plain paper or glossy medium to form an image, and it is rapidly spreading due to its low price and improved recording speed. Yes.
- digital cameras have become widely used as a method for outputting photographic images comparable to silver halide photography.
- Black ink has high weather resistance such as ozone resistance and high image density. There is a need for success.
- R 2 , R 3 and R 4 are each independently a hydrogen atom; a hydroxyl group; a hydroxy group; a strong lpoxyl group; a sulfonic acid group; an alkyl group having 1 to 4 carbon atoms; An alkoxy group having 1 to 4 carbon atoms; a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, an alkoxy group substituted with a sulfonic acid group or a carboxyl group; may be further substituted with a strong lpoxyl group or a sulfonic acid group 1 to 4 carbon atoms An alkoxy group; a phenyl group, an alkyl group, or an amino group substituted by an acyl group, and n is 0 or 1.
- the dye represented by the above general formula (I) or a salt thereof is liable to deteriorate in the fixing recovery at the nozzle of the recording head when the concentration of the dye in the ink is increased (adhesion is likely). It was found that there was a problem. For this reason, it is necessary to use a water-soluble organic solvent or the like that is excellent in fixing and recovering properties.
- the compound represented by the above general formula (I) or a dye thereof is greatly influenced by the compatibility with the water-soluble organic solvent used together.
- a common water-soluble organic solvent and the above dye are simply combined, fixing recovery is likely to deteriorate.
- increasing the absolute amount of the water-soluble organic solvent increases the ink viscosity. The ink rises sharply and tends to cause poor ink supply. .
- an object of the present invention is to have a color that is preferable as a black ink for inkjet, to obtain high ozone resistance, high image density and fixing recovery, and represented by the general formula (I) during long-term storage.
- Another object of the present invention is to provide a black ink for an ink jet capable of suppressing the decomposition of a compound or a salt thereof.
- Another object of the present invention is to provide an ink set, an ink jet recording method, an ink cartridge, a recording unit, and an ink jet recording apparatus using the ink jet black ink.
- the black ink for ink jet of the present invention is a black ink jet ink containing at least a coloring material.
- the ink is a compound represented by the following general formula (I) or a salt thereof, the black ink contains ethylene dallicol or diethylene glycol, and the content of the ethylene glycol or diethylene glycol is It is characterized by being 15 to 30% by mass with respect to the total mass of the ink.
- R and R 2 , R 3 and R 4 are each independently a hydrogen atom; a hydroxyl group; an amino group; a carboxyl group; a sulfonic acid group; an alkyl group having 1 to 4 carbon atoms.
- the black ink for ink jet is the black ink for ink jet having the above-described configuration, and further, as the coloring material, a compound represented by the following general formula (II) or a salt thereof: It is characterized by containing.
- General formula (II) a compound represented by the following general formula (II) or a salt thereof: It is characterized by containing.
- R 2 are each independently a hydrogen atom; a hydroxyl group; an amino group; a carboxyl group; a sulfonic acid group; an alkyl group having 1 to 4 carbon atoms; and an alkoxy group having 1 to 4 carbon atoms.
- R 3 and R 4 are each a hydrogen atom; an alkyl group having 1 to 4 carbon atoms; an alkoxy group having 1 to 4 carbon atoms; a hydroxyl group; and a hydroxyl group or an alkoxy group having 1 to 4 carbon atoms.
- an inkjet black ink according to another embodiment of the present invention is the inkjet black ink having the above-described configuration.
- a compound represented by the following general formula (III) and the following general formula (III) IV) Condensed dyes with the compounds represented by formula (IV), salts thereof, and dyes obtained by reduction of the condensed dyes or salts thereof (the counter ions of the dyes after condensation or reduction are hydrogen ions, alkali metal ions It is characterized in that it contains at least one selected from the group force consisting of a cation of organic amine, or an ammonium ion.
- M is a hydrogen atom or an alkali metal atom.
- R 2 , R 3 , R 4 and R 5 are each independently hydrogen atom; halogen atom; hydroxyl group; sulfonic acid group; carboxyl group; alkyl group having 1 to 4 carbon atoms; An alkoxy group having 1 to 4 carbon atoms.
- an ink set according to another embodiment of the present invention is characterized in that, in an ink set comprising a plurality of inks, the ink jet black ink having the above-described configuration is included as a black ink.
- An ink jet recording method is characterized in that the ink jet recording method includes a step of ejecting ink by an ink jet method, wherein the ink is a black ink for ink jet having the above-described configuration. To do.
- An ink cartridge according to another embodiment of the present invention is an ink cartridge including an ink containing portion for containing ink, wherein the ink is black ink for ink jet having the above-described configuration.
- a recording unit comprising: an ink storage unit that stores ink; and a recording unit that includes a recording head for ejecting ink. It is the black ink for inkjet of the said structure, It is characterized by the above-mentioned.
- an ink jet recording apparatus is an ink jet recording apparatus including an ink containing portion that stores ink, and a recording head for ejecting ink.
- Inkjet bra with the above configuration It is characterized by being a cuck ink.
- an ink jet black ink it is possible to provide a black ink for ink jet that provides high ozone resistance, fixing recovery, and storage stability.
- a black ink having a preferred color as an inkjet black ink can be provided.
- an ink set an ink jet recording method, an ink cartridge, a recording unit, and an ink jet recording apparatus using the ink jet black ink can be provided.
- FIG. 1 is a perspective view of the recording apparatus.
- FIG. 2 is a perspective view of the mechanism unit of the recording apparatus.
- FIG. 3 is a sectional view of the recording apparatus.
- Figure 4 shows a perspective view of the ink cartridge installed in the head cartridge.
- FIG. 5 is an exploded perspective view of the head cartridge.
- FIG. 6 is a front view showing a recording element substrate in the head cartridge.
- the salt when the compound is a salt, the salt is an ion in the ink. Although it is dissociated into, it is expressed as “contains a salt” for convenience.
- the compound represented by the general formula (I) or a salt thereof is particularly compatible with ethylene glycol and diethylene glycol, and improves adhesion recovery. It was found that the ink viscosity was moderately increased and storage stability was excellent. In particular, when the content of ethylene glycol or diethylene glycol is 15% by mass or more and 30% by mass or less with respect to the total mass of the ink jet black ink, a remarkable effect is obtained.
- the content of ethylene glycol or diethylene glycol in ordinary inkjet ink is about 10% by mass with respect to the total mass of the ink.
- the fixing recovery property and the continuous ejection property may be lowered depending on the ink composition. That is, a sufficient effect on the above problem can be obtained only when the content of ethylene glycol or diethylene glycol is 15% by mass or more and 30% by mass or less.
- ink components constituting the black ink for ink jet according to the present invention (hereinafter sometimes simply referred to as ink) will be described in detail.
- the color material used in the ink of the present invention is a compound represented by the following general formula (I) or a salt thereof.
- R and R 2 , R 3 and R 4 are each independently a hydrogen atom; Carboxyl group; Amino group; Carboxyl group; Sulphonic acid group; C1-C4 alkyl group; C1-C4 alkoxy group; Hydroxyl group, C1-C4 alkoxy group, Sulfonate group or An alkoxy group substituted by a carboxyl group; an alkoxy group having 1 to 4 carbon atoms that may be further substituted by a strong lpoxyl group or a sulfonic acid group; an amino group substituted by a phenyl group, an alkyl group, or an acyl group N is 0 or 1.
- the compound represented by the above general formula (I) or a salt thereof is preferably exemplified compound 1 shown below.
- the content of the color material which is the compound represented by the general formula (I) or a salt thereof is preferably 0.1% by mass or more and 10.0% by mass or less with respect to the total mass of the ink. If the content is less than 0.1% by mass, sufficient image density, which is one of the effects of the present invention, may not be obtained. If the content exceeds 10.0% by mass, the effects of the present invention may not be achieved. This is because there is a case where one fixing recovery property cannot be obtained.
- the content is preferably 3.0% by mass or more and 10.0% by mass or less, and in order to achieve a higher image density, the content is preferably Is preferably 4.5% by mass or more and 10.0% by mass or less.
- the compound represented by the general formula (I) or a salt thereof may be used alone, or may be used in combination with other colorants to adjust the color tone.
- a colorant other than the compound represented by the general formula (I) or a salt thereof is used in combination, the inclusion of the compound represented by the general formula (I) or a salt thereof in order to sufficiently exhibit the effects of the present invention.
- the amount is preferably 0.1% by mass or more and 3.0% by mass or less, and more preferably 0.5% by mass or more with respect to the total mass of the ink.
- the mass ratio of the content of the compound represented by the above general formula (I) or a salt thereof and the content of other coloring materials is preferably 2: 1 or more and 1:10 or less.
- the compound represented by the general formula (I) or a salt thereof is preferably used in combination with the compound represented by the following general formula (I I) or a salt thereof.
- a condensed dye of 4,4′-dinitrostilbene-2,2′-disulfonic acid represented by the following general formula (III) and a compound represented by the following general formula (IV), or It is preferably used in combination with a dye obtained by reduction of the condensed dye (the counter ion of the dye after condensation or after reduction is a hydrogen ion, an alkali metal ion, an organic amine cation, or an ammonium ion).
- C * is small.
- C * is saturation and indicates the degree of vividness. The smaller this C *, the more neutral the hue.
- the mass ratio in the ink of the compound represented by the above general formula (I) or a salt thereof, and the compound represented by the following general formula (II) or a salt thereof is It is preferably 2: 1 or more and 1: 5 or less.
- the mass ratio in the ink is preferably 2: 1 or more and 1: 5 or less.
- R 2 are each independently a hydrogen atom; a hydroxyl group; an amino group; a carboxyl group; a sulfonic acid group; an alkyl group having 1 to 4 carbon atoms; R 3 and R 4 represent a hydrogen atom; an alkyl group having 1 to 4 carbon atoms; an alkoxy group having 1 to 4 carbon atoms; a hydroxyl group; a hydroxyl group or an alkoxy group having 1 to 4 carbon atoms An alkyl group having 1 to 4 carbon atoms that may be substituted; an alkoxy group having 1 to 4 carbon atoms that may be substituted with a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, a sulfonic acid group, or a strong loxyl group; N is 0 or 1.
- the general formula (III) ⁇ M is a hydrogen atom or an alkali metal atom.
- R and R 2 , R 3 , R 4 and R 5 are each independently a hydrogen atom; a halogen atom; a hydroxyl group; a sulfonic acid group; a carboxyl group; an alkyl group having 1 to 4 carbon atoms. An alkoxy group having 1 to 4 carbon atoms.
- the analysis conditions of the mass spectrum are as shown below. For the obtained peak, measure the mass spectrum under the following conditions, and measure the most strongly detected MZZ for each of p o s i and n e g a.
- the ink of the present invention is characterized by containing at least 15% by mass or more and 30% by mass or less of ethylene glycol or diethylene glycol with respect to the total amount of the ink.
- These water-soluble organic solvents have high moisturizing properties and high solubility of the general formula (I), so that they are excellent in fixing and recovering properties and have little increase in viscosity.
- the solubility of Exemplified Compound 1 in 2 5 in ethylene glycol and diethylene glycol exceeds 20% by mass.
- ethylene glycol or diethylene glycol has high solubility, even if an amount sufficient for imparting fixing recovery is added to the ink, the viscosity of the ink can be suppressed to such an extent that the ink jet characteristics can be maintained. it can.
- the ink containing ethylene glycol or ethylene glycol is excellent in storage stability when stored for a long time.
- the content of ethylene glycol or diethylene glycol in the ink according to the present invention is essential to be 15% by mass or more and 30% by mass or less with respect to the total mass of the ink.
- the reason why the content is 5% by mass or more is that the compound represented by the general formula (I) or a salt thereof can be sufficiently dissolved even when the ink is evaporated in the vicinity of the nozzle, and the ink has an abrupt viscosity. This is because the rise can be mitigated and discharge failure can be prevented, and the content is 30% by mass or less in combination with a compound represented by the general formula (I) or a salt thereof using ethylene glycol or diethylene glycol. However, if it exceeds 30% by mass, the viscosity of the ink becomes too high, making it difficult to use as an ink jet ink. This is because.
- the effect of adding these can be obtained, and water or water and various water-soluble substances can be obtained within the range that does not impair the object effect of the present invention.
- Mixed solvent with organic solvent Can be used.
- the water-soluble organic solvent is not particularly limited as long as it is water-soluble, and examples thereof include alcohol, polyhydric alcohol, polyglycol, glycol ether, nitrogen-containing polar solvent, and sulfur-containing polar solvent.
- the content of these water-soluble organic solvents is preferably 10% by mass or less with respect to the total mass of the ink.
- deionized water ion exchange water
- the water content is preferably 10% by mass to 84% by mass with respect to the total mass of the ink.
- a surfactant an antifungal agent, an antiseptic agent, an antifungal agent, an antioxidant, an anti-reduction agent, an evaporation accelerator, a sharpening agent, and a water-soluble polymer, if necessary.
- Various additives may be included.
- any recording medium can be used as long as recording is performed by applying ink.
- the present invention is applied to a recording medium in which a coloring material such as a dye or a pigment is adsorbed to fine particles forming a porous structure in an ink receiving layer, and an image is formed from at least the adsorbed fine particles. It is particularly suitable for use.
- a recording medium for an ink jet is preferably a so-called absorption type in which ink is absorbed by a gap formed in the ink receiving layer on the support.
- the absorption type ink-receiving layer is mainly composed of fine particles, and is configured as a porous layer containing a binder and other additives as required.
- fine particles include silica, clay, talc, calcium carbonate, kaolin, aluminum oxide such as alumina or alumina hydrate, diatomaceous earth, titanium oxide, hydrated talcite, inorganic pigment such as zinc oxide, urea formalin resin, Examples include organic pigments such as ethylene resins and styrene resins, and one or more of these are used.
- suitable materials include water-soluble polymers and latex.
- cellulose derivatives such as polypinyl alcohol or a modified product thereof, starch or a modified product thereof, gelatin or a modified product thereof, gum arabic, carboxymethylcellulose, hydroxychetylcellulose, hydroxyprooil methylcellulose, SBR latex, NBR latex, Kyoichi Methyl methacrylate, butadiene copolymer latex, functional group-modified polymer latex, vinyl acetate latex such as ethylene vinyl acetate copolymer, polyvinyl pyrrolidone, maleic anhydride or copolymer thereof An acrylic acid ester copolymer is used, and two or more kinds can be used in combination as required.
- additives can also be used, for example, dispersants, thickeners, pH adjusters, lubricants, fluidity modifiers, surfactants, antifoaming agents, mold release agents, fluorescent enhancements as necessary. Whitening agents, UV absorbers, antioxidants, etc. are used.
- the recording medium preferably used in the present invention is preferably a recording medium mainly composed of fine particles having an average particle diameter of ⁇ ⁇ or less and having an ink receiving layer formed thereon.
- the fine particles include silica fine particles and aluminum oxide fine particles.
- a preferable silica fine particle is a silica fine particle typified by colloidal silica. Colloidal silica itself can be obtained from the market, but those disclosed in, for example, Japanese Patent Nos. 2803134 and 2881847 are preferable.
- Preferred as the aluminum oxide fine particles are alumina hydrate fine particles and the like.
- One example of such alumina hydrate fine particles is an alumina hydrate represented by the following general formula.
- n represents an integer of 1, 2 or 3
- m represents a value of 0 to 10, preferably 0 to 5, provided that m and n are not 0 at the same time.
- mH 2 0 often also represents a removable water phase that is not involved in the formation of the mH 2 O crystal lattice
- m can also be an integer or non-integer value. Material When heated, m can reach a value of zero.
- Alumina hydrate is obtained by hydrolysis of aluminum alkoxide, hydrolysis of sodium aluminate described in US Pat. No. 4,2 4 2, 2 71, US Pat.
- it should be manufactured by a known method such as neutralization by adding an aqueous solution of sodium sulfate, aluminum chloride or the like to an aqueous solution of sodium aluminate or the like described in JP-B-5-7-4460. Can do.
- the recording medium preferably has a support for supporting the ink receiving layer.
- the ink receiving layer may be formed of the porous fine particles.
- any material can be used as long as it is capable of providing rigidity that can be transported by a transport mechanism such as an ink jet printer.
- a paper support made mainly of natural cellulose fibers and made of pulp raw materials, polyester (eg, polyethylene terephthalate), cellulose triacetate, polycarbonate, polyvinyl chloride, polypropylene, polyimide, etc.
- a resin-coated paper eg, RC vapor
- the ink of the present invention can be preferably used even when an ink set is combined with other inks.
- the ink set according to the present invention is a state in which the ink of the present invention is used together with other inks such as cyan ink, magenta ink, yellow ink, and black ink.
- other inks such as cyan ink, magenta ink, yellow ink, and black ink.
- the ink set according to the present invention includes, of course, an ink tank having a plurality of ink tanks integrated, and includes a case where a plurality of individual ink tanks are used in combination. The one that is integrated is also included.
- Inkjet recording method> The ink according to the present invention is particularly suitable for use in an ink jet recording method having a step of ejecting ink by an ink jet method.
- Ink jet recording methods include a recording method in which mechanical energy is applied to ink and ink is ejected, and a recording method in which heat energy is applied to ink and ink is ejected.
- an ink jet recording method using thermal energy can be preferably used.
- An ink force trough suitable for recording using the ink according to the present invention may be an ink force trough provided with an ink containing portion for containing these inks.
- a recording unit suitable for recording using the ink according to the present invention includes a recording unit provided with an ink storage unit for storing these inks and a recording head.
- a recording unit in which the recording head causes thermal energy corresponding to a recording signal to act on the ink and generates ink droplets by the energy.
- a recording apparatus suitable for performing recording using the ink according to the present invention provides thermal energy corresponding to a recording signal to ink in a recording head having an ink storage portion in which these inks are stored. And an apparatus for generating ink droplets by the energy.
- the main body of the recording apparatus is composed of a paper feed unit, a paper transport unit, a carriage unit, a paper discharge unit, a cleaning unit, and an exterior unit that protects these parts and has a design from the role of each mechanism. The outline of these will be described below.
- FIG. 1 is a perspective view of the recording apparatus.
- Figures 2 and 3 show the main part of the recording device.
- FIG. 2 is a perspective view from the upper right part
- FIG. 3 is a side sectional view of the recording apparatus main body.
- the pair of roller rollers composed of the conveying roller M 3 0 60 and the pinch roller M 3 0 70 is rotated by the drive of the LF motor E 0 0 0 2, and the recording medium is moved on the platen M 3 0 4 0 by this rotation. Be transported.
- the recording head H 1 0 0 1 When an image is formed on the recording medium in the carriage section, the recording head H 1 0 0 1 (FIG. 4) is arranged at the target image forming position, and the recording medium is recorded according to the signal from the electric substrate E 0 0 1 4. Ink is discharged.
- the detailed configuration of the recording head H 1 0 0 1 will be described later, a recording main scan in which the carriage M 4 0 0 0 scans in the column direction while recording by the recording head H 1 0 0 1 is performed. In this configuration, an image is formed on the recording medium by alternately repeating sub-scanning in which the recording medium is conveyed in the row direction by the conveying rollers M 3 0 60.
- the last recording medium on which an image has been formed is sandwiched between the first paper discharge roller M 3 1 1 0 and the spur M 3 1 2 0 at the paper output section, and conveyed to the paper output tray M 3 1 6 0 is discharged.
- the cap M 5 0 1 0 is connected to the recording head HI 0 0 1 ink discharge port.
- the pump M500 is operated in close contact with the ink, unnecessary ink or the like is sucked from the recording head H1001. Also, with the cap M 5 0 1 0 opened, the ink remaining in the cap M 5 0 1 0 is sucked By doing so, care is taken to prevent sticking due to residual ink and subsequent adverse effects.
- the configuration of the head cartridge H 1 00 0 0 will be described.
- the head cartridge H 1 0 0 0 supplies the recording head H 1 0 0 1, means for mounting the ink tank H 1 900, and ink from the ink tank HI 9 0 0 to the recording head And is detachably mounted on the carriage M 4 0 0 0.
- FIG. 4 is a diagram showing how the ink tank H 1 900 is mounted on the head cartridge H 1 0 0 0.
- the recording apparatus forms an image with yellow, magenta, cyan, black, light magenta, light cyan, and green ink, and therefore, ink tanks H I 900 are prepared for seven colors independently.
- the ink according to the present invention is used as at least one kind of ink.
- FIG. 5 is an exploded perspective view of the head cartridge H 1 00 0 0.
- the head cartridge H 1 00 0 0 is a first recording element substrate H 1 100 and a second recording element substrate H 1 1 0 1, a first plate HI 2 0 0, a second plate.
- Lay H1 4 0 Electric wiring board H 1 3 0 0, Tank holder 1 H 1 5 0 0, Flow path forming member H 1 6 0 0, Filter H 1 7 0 0, Seal rubber H 1 8 0 0, etc. Consists of.
- the first recording element substrate H 1 1 0 0 and the second recording element substrate H 1 1 0 1 are S i substrates, and a plurality of recording elements (nozzles) for ejecting ink on one side are formed by photolithography technology. Is formed.
- the electrical wiring such as A 1 that supplies power to each recording element is formed by a film forming technique, and a plurality of ink flow paths corresponding to individual recording elements are also formed by a photolithography technique.
- multiple An ink supply port for supplying ink to a number of ink flow paths is formed so as to open on the back surface.
- FIG. 6 is an enlarged front view for explaining the configuration of the first recording element substrate H 1100 and the second recording element substrate H 1101.
- H2000 to H2600 are printing element rows corresponding to different ink colors (hereinafter also referred to as nozzle rows), and the first printing element substrate HI 100 has a nozzle ⁇ / row H to which yellow ink is supplied.
- a nozzle row for three colors, 2000, a nozzle row H2100 to which magenta ink is supplied, and a nozzle row H2200 to which cyan ink is supplied is configured.
- the second printing element substrate HI 101 includes a nozzle row H 2 300 supplied with light cyan ink, a nozzle row H 2400 supplied with black ink, a nozzle row H 2500 supplied with orange ink, and a light magenta ink.
- the nozzle row for H4600 is supplied for 4 colors.
- Each nozzle array is composed of 768 nozzles arranged at an interval of 1200 dpi (dot Zin nc h; reference value) in the recording medium conveyance direction, and ejects approximately 2 picoliters of ink droplets.
- the opening area at each nozzle outlet is set to approximately 100 square m 2 .
- the first recording element substrate H 1100 and the second recording element substrate HI 101 are bonded and fixed to the first plate HI 200, and here, the first recording element substrate ⁇ 1100 and the second recording element
- An ink supply port ⁇ 1201 for supplying ink to the element substrate ⁇ 1101 is formed.
- a second plate ⁇ 1 400 having an opening is bonded and fixed to the first plate ⁇ 1200.
- the second plate HI 400 is composed of the electric wiring board H 1300 and the first recording element.
- the electric wiring substrate HI 300 is held so that the substrate H 1100 and the second recording element substrate H 1101 are electrically connected.
- the electrical wiring board H 1300 is used for ejecting ink from the nozzles formed on the first printing element board H 1 100 and the second printing element board HI 101.
- An electrical signal is applied to the first recording element substrate H 1 100 and the second recording element substrate HI 1 0 1, and the recording apparatus main body located at the end of the electrical wiring And an external signal input terminal H 1 3 0 1 for receiving an electric signal from.
- the external signal input terminal HI 3 0 1 is positioned and fixed on the back side of the tank holder HI 5 0 0.
- the flow path forming member HI 6 0 0 is fixed to the tank holder H 1 500 which holds the ink tank H 1 900 by, for example, ultrasonic welding.
- the ink flow path HI 5 0 1 leading to the plate HI 2 0 0 is formed.
- a filter HI 7 0 0 is provided at the ink tank side end of the ink flow path H 1 5 0 1 that engages with the ink tank H 1 90 0 0 to prevent the entry of dust from the outside. It has become. Further, a seal rubber H I 800 is attached to the engaging portion with the ink tank H I 900, so that ink evaporation from the engaging portion can be prevented.
- a part of the tank holder composed of the tank holder H 1 500, the flow path forming member HI 6 00, the fill evening H 1 700, and the seal rubber H 1 800, Recording element substrate H 1 1 0 0 and second recording element substrate H 1 1 0 1, first plate HI 2 0 0, electrical wiring substrate HI 3 0 0 and second plate H 1 4 0 0
- the head cartridge H 1 00 0 0 is configured by joining the recording head portions H 1 0 0 1 to be recorded by bonding or the like.
- a bubble jet that uses an electrothermal transducer (recording element) that generates thermal energy for generating film boiling on the ink in response to an electrical signal
- an electrothermal transducer that generates thermal energy for generating film boiling on the ink in response to an electrical signal
- the basic configuration and principle disclosed in US Pat. Nos. 4, 7 2 3 and 1 29, 4 and 7 4 0 and 7 96 principle What is performed using is preferable.
- This method can be applied to both the so-called on-demand type and the continuous type.
- the on-demand type it corresponds to a sheet or a liquid flow path in which liquid (ink) is held.
- the electrothermal transducers are arranged in a manner that gives a rapid temperature rise corresponding to the recorded information and exceeds the nucleate boiling. By applying at least one drive signal, the thermal energy is applied to the electrothermal transducers.
- a nozzle forming substrate having a plurality of nozzles, a pressure generating element made of a piezoelectric material and a conductive material disposed facing the nozzles
- An example is an on-demand ink jet recording head that includes ink filling the periphery of the pressure generating element, displaces the pressure generating element by an applied voltage, and discharges a small droplet of ink from the nozzle.
- the ink jet recording apparatus is not limited to the one in which the head and the ink tank are separated as described above, and may be one in which they are integrated so as not to be separated.
- the ink tank is integrated with the head so as to be separable or non-separable and mounted on the carriage, and is provided at a fixed portion of the apparatus, and ink is supplied to the recording head via an ink supply member, for example, a tube. It may be in the form of supplying.
- an absorber is disposed in the ink storage portion of the ink tank, or a flexible ink storage bag and the same.
- the recording device may take the form of a line printer in which recording elements are aligned over a range corresponding to the entire width of the recording medium.
- the compound of the following formula (A) was dissolved by adding water to which sodium hydroxide was added, and a sodium nitrite aqueous solution was further added for diazotization.
- This diazo turbid solution is dropped into 6-amino-1-hydroxynaphthalene-3,5-disulfonic acid in an aqueous solution to carry out a coupling reaction, salted with sodium chloride, filtered and washed. went.
- the compound was dissolved in water to which sodium hydroxide was added, and diazotized by adding hydrochloric acid and sodium nitrite.
- reaction solution (A 1) 1-amino-2-benzenesulfonic acid was dissolved in water to which sodium hydroxide was added, and sodium nitrite aqueous solution was further added to diazotize the diazo turbid solution.
- Amino 1-hydroxynaphthalene-3-sulfonic acid was dropped into an alkaline aqueous solution to perform a force pulling reaction, and after salting with sodium chloride, filtration and washing were carried out.
- the mixture was dissolved in water with sodium added, and diazotized by adding hydrochloric acid and sodium nitrite.
- the diazo turbid solution was added to the above reaction solution (A 1) to carry out a coupling reaction, and sodium chloride was added. After salting, by performing filtration, washing, Exemplified Compound Got Object 1 ⁇
- reaction solution (B 1) An aqueous 6-phenylamino-1-hydroxynaphthalene-3-sulfonic acid solution was added and dissolved in the presence of sodium carbonate to obtain a reaction solution (B 1).
- 2 monoaminosulfonic acid was dissolved in the presence of sodium hydroxide and diazotized by adding hydrochloric acid and sodium nitrite.
- 6-amino-1-hydroxynaphthalene-3-sulfonic acid was dissolved in the presence of sodium hydroxide, and acetic anhydride was added to carry out acetylation.
- the above diazo turbid solution was added dropwise in the presence of sodium carbonate to carry out a coupling reaction to obtain a reaction solution (B 2).
- reaction solution (B 2) sodium hydroxide and then sodium chloride were added for salting out to obtain a compound.
- This compound was dissolved in water in the presence of sodium hydroxide, and diazotized by adding hydrochloric acid and sodium nitrite.
- the reaction solution (B 1) was added dropwise to the diazo turbid solution in the presence of sodium carbonate to complete the coupling reaction, thereby obtaining a reaction solution.
- This reaction solution is salted with sodium chloride and filtered. To obtain an intermediate product (B 3).
- This reaction solution was diazotized by adding hydrochloric acid and sodium nitrite, and this diazo turbid solution was added to an aqueous solution in which the intermediate product (B 3) was dissolved to complete the coupling reaction. This was salted with sodium chloride, filtered, and washed to give Exemplary Compound 2.
- Ink jet printer (PI XUS 950 manufactured by Canon) is an on-demand ink jet recording apparatus using the inks of Examples 1 to 14 and Comparative Examples 1 to 6 obtained above as heat sources for the ink discharge. i), each of which was installed and evaluated the following evaluation items.
- the ink was placed in a Teflon jar and stored in an environment at a temperature of 60 for 10 days.
- the ink absorbance spectrum was measured before and after storage, and the residual ratio of peak intensity at the maximum absorbance was calculated.
- a spectrophotometer (trade name: U-3300, manufactured by Hitachi, Ltd.) was used, and the peak intensity was measured in the range of 3880 nm to 7800 nm. Further, the ink was diluted with pure water 200.times. And measured.
- the criteria for storage stability are as follows. The evaluation results are shown in Tables 5 and 6.
- Ink is filled in the printer, continuous printing is performed by applying 1 X 10 8 pulses per nozzle in an environment with a temperature of 23 T and a relative humidity of 55%. The state was compared.
- the criteria for continuous ejection are as follows. The evaluation results are shown in Tables 5 and 6.
- the recorded material Before continuous printing ends, the recorded material may be blurred.
- the ink is filled in the above-mentioned blank, and 100% duty is printed on the ink jet glossy recording medium PR 101 (manufactured by Canon), then dried for 24 hours, and the image density of the subsequent image is measured. It was.
- the spectrophotometer Spectorolino; made from GretemagMacbeth
- the standard of image density is as follows. The evaluation results are shown in Tables 5 and 6.
- Image density is 2.2 or higher
- Image density is 2.1 or more and less than 2.2
- Image density is less than 2.1
- A: C * is less than 10
- the coloring material represented by the general formula (I) represented by Exemplified Compound 1 and ethylene glycol or diethylene glycol are 15% by mass or more and 30% by mass with respect to the total amount of the ink.
- the colorant represented by the general formula (II) represented by Exemplified Compound 2 is used in combination, the image density is further increased.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/362,029 US7247196B2 (en) | 2004-08-31 | 2006-02-27 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-252204 | 2004-08-31 | ||
JP2004252204 | 2004-08-31 | ||
JP2005-246157 | 2005-08-26 | ||
JP2005246157A JP2006096990A (ja) | 2004-08-31 | 2005-08-26 | インクジェット用ブラックインク、インクセット、インクジェット記録方法、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 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/362,029 Continuation US7247196B2 (en) | 2004-08-31 | 2006-02-27 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus |
Publications (1)
Publication Number | Publication Date |
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WO2006025585A1 true WO2006025585A1 (ja) | 2006-03-09 |
Family
ID=36000219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/016359 WO2006025585A1 (ja) | 2004-08-31 | 2005-08-31 | インクジェット用ブラックインク、インクセット、インクジェット記録方法、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 |
Country Status (3)
Country | Link |
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US (1) | US7247196B2 (ja) |
JP (1) | JP2006096990A (ja) |
WO (1) | WO2006025585A1 (ja) |
Cited By (1)
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EP1783180A1 (en) * | 2004-07-02 | 2007-05-09 | Canon Kabushiki Kaisha | Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder |
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-
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- 2005-08-31 WO PCT/JP2005/016359 patent/WO2006025585A1/ja active Application Filing
-
2006
- 2006-02-27 US US11/362,029 patent/US7247196B2/en not_active Expired - Fee Related
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EP1783180A1 (en) * | 2004-07-02 | 2007-05-09 | Canon Kabushiki Kaisha | Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder |
EP1783180A4 (en) * | 2004-07-02 | 2007-08-29 | Canon Kk | BLACK INK FOR INK JET, INK SET, INK JET PRINTING METHOD, INK CARTRIDGE, PRINT UNIT, AND INK JET PRINTER |
Also Published As
Publication number | Publication date |
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US20060146108A1 (en) | 2006-07-06 |
JP2006096990A (ja) | 2006-04-13 |
US7247196B2 (en) | 2007-07-24 |
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