WO2006011657A1 - 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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- WO2006011657A1 WO2006011657A1 PCT/JP2005/014241 JP2005014241W WO2006011657A1 WO 2006011657 A1 WO2006011657 A1 WO 2006011657A1 JP 2005014241 W JP2005014241 W JP 2005014241W WO 2006011657 A1 WO2006011657 A1 WO 2006011657A1
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- ink
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- black
- ink jet
- recording
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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
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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
- C09D11/324—Inkjet printing inks characterised by colouring agents containing carbon black
Definitions
- the present invention relates to a recording medium in which ink is discharged from an orifice in accordance with a recording signal.
- the present invention relates to a recording unit and an ink jet recording apparatus.
- the ink jet recording method is widely used in offices and personal use as a means for easily forming a color image.
- high-quality images of ink-jet recording images have progressed, and it has become possible to realize high-quality recording images that are comparable to silver halide photography. Therefore, the required performance is excellent in color tone reproducibility.
- the quality of recorded images such as high optical density and a clear color tone, and the long-term storage stability of images have been raised.
- Long-term preservation means that it does not cause thigh color caused by sunlight or various illumination light (light resistance), and oxidizing gases (ozone,
- a recording medium using a porous material such as alumina or silica as an ink receiving material has been used as an ink-jet recording medium in order to obtain an image quality comparable to or superior to that of a silver salt photograph.
- recording media using alumina hydrate have a negative charge in the ink because the alumina hydrate has a positive charge.
- the color material is well fixed, and an image with good color development can be obtained.
- the color material is advantageous in comparison with a conventional recording medium in terms of image quality and gloss in a full color image.
- the recording medium is remarkably discolored from the viewpoint of gas resistance, and an improvement is desired.
- black ink the following are particularly desired in terms of image performance and robustness.
- pigments are superior to dyes in terms of fastness, and many proposals for inks using pigments have been made.
- Pigment When ink is used, the robustness is excellent when printing on plain paper or a so-called swelling type recording medium with an ink receiving layer that swells and is based on resin.
- the voids of the porous body are smaller than the particle size of the pigment in the ink. Since the pigment is small, the pigment does not penetrate into the recording medium and agglomerates on the recording medium, resulting in metal bronze and a decrease in optical density.
- the present inventors have repeatedly studied in view of the above-mentioned object, and in the process, evaluated various dyes and pigments. As a result, the inventors have found a combination of dyes and pigments that achieve both high fastness and high image quality, and have achieved the present invention.
- an object of the present invention is to provide a black ink for an ink jet which can obtain an image quality comparable to a silver salt photograph and can achieve both high fastness and high image quality when printed on a recording medium.
- Another object of the present invention is when printing on a recording medium (especially when printing on a recording medium having a porous body having a cationic charge for receiving ink on the support), in particular.
- Ink with excellent optical density and color tone at halftones, and excellent gas resistance It is to provide a black ink for jet.
- Another object of the present invention is to provide a black ink for ink jet which can suppress the occurrence of metallic luster (bronze) when printing on a so-called absorption type recording medium having a porous body in the ink receiving layer. Is to provide.
- 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 inkjet of the present invention is a black ink for ink jet containing a dye and a black pigment, wherein the dye is a compound represented by the following general formula (I) or a salt thereof, and the following: It is at least one selected from the group consisting of a compound represented by the general formula (II) or a salt thereof. '
- R 2 and 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 independently 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.
- 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 from 4 to 4 carbon atoms; An alkoxy group substituted with a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, a sulfonic acid group, or a carboxyl group; may be further substituted with a carboxyl group or a sulfonic acid group An alkoxy group having 1 to 4 carbon atoms; a phenyl group, an alkyl group, or an amino group substituted by an acyl group, and n is 0 or 1.
- An inkjet black ink according to another embodiment of the present invention is characterized in that, in the inkjet black ink having the above-described configuration, the black pigment is self-dispersing carbon black.
- the ink jet black ink according to another embodiment of the present invention is the ink jet black ink having the above-described configuration, wherein the mass ratio of the dye content and the pigment content is: (Dye content / Characteristic of pigment content)> 5.
- An ink set according to another embodiment of the present invention includes a plurality of inks.
- the ink set includes black ink for ink jet having the above-described configuration as black ink.
- an ink jet recording method includes: In an inkjet recording method including a step of recording on a recording medium by discharging by an inkjet method, the ink is an inkjet black ink having the above-described configuration.
- the ink cartridge according to another embodiment of the present invention is characterized in that in the ink cartridge having an ink containing portion for containing ink, the ink is a black ink for ink jet having the above-described configuration. To do.
- a recording unit comprising: an ink storage portion for storing ink; and a recording unit for discharging ink, wherein the ink is It is the black ink for inkjet of the 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. It is characterized by being a black ink for ink jet having the above-described configuration.
- the black ink for ink jet according to another embodiment of the present invention is a black ink for ink jet containing at least one dye and at least one black pigment, wherein the dye is contained in a molecule.
- the total number of sulfonic acid groups in the ortho position with respect to the azo group is 4 or more.
- an ink jet black ink that can obtain an image quality comparable to a silver salt photograph and can achieve both high fastness and high image quality when printed on a recording medium.
- the ink jet can suppress the occurrence of metallic gloss (bronze) when printing on a so-called absorption type recording medium having a porous body in the ink receiving layer.
- Blackink can be provided.
- FIG. 1 is a perspective view of the recording apparatus.
- FIG. 2 is a perspective view of the mechanism of the recording apparatus.
- FIG. 3 is a sectional view of the recording apparatus.
- FIG. 4 is a perspective view showing a state in which the ink tank is attached to 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 dissociated into ions in the ink, but for convenience, it is expressed as “contains a salt”.
- ink The 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 below.
- the coloring material used in the ink of the present invention comprises a compound represented by the following general formula '(I) or a salt thereof, and a compound represented by the following general formula (II) or a salt thereof. At least one dye selected from the group and at least one black pigment.
- the dye used in the ink of the present invention is at least selected from the group consisting of a compound represented by the following general formula (I) or a salt thereof, and a 'compound represented by the general formula (II) or a salt thereof.
- a compound represented by the following general formula (I) or a salt thereof and a 'compound represented by the general formula (II) or a salt thereof.
- 1 and 2 are each independently a hydrogen atom; hydroxyl group; amino group; carboxyl group; sulfonic acid group; alkyl group having 1 to 4 carbon atoms; alkoxy group having 1 to 4 carbon atoms]
- R 3 and R 4 are each independently 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 a alkoxy group having 1 to 4 carbon atoms.
- 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 ananol having 1 to 4 carbon atoms.
- the total content of the compound represented by the general formula (I) or a salt thereof, or the compound represented by the general formula (II) or the salt thereof is based on the total amount of the ink. 1.0 mass% or more and 15.0 mass% or less is preferable, and 3.0 mass% or more and 10.0 mass% or less is particularly preferable. If the total content is less than 1.0% by mass, the color developability may be insufficient when printing on a recording medium provided with a porous material having a cationic charge on the support. When the total amount exceeds 15.0% by mass, good ink jet speciality is obtained, such as failure to obtain fixing recovery (performance that recovers by recovery operation such as suction when ink is fixed on the recording head). This is because it may not be possible.
- the content of the compound represented by the general formula (I) or a salt thereof (referred to as the general formula (I)), and the compound represented by the general formula (II) or a salt thereof (referred to as the general formula (I)), and the compound represented by the general formula (II) or a salt thereof (
- the mass ratio of the general formula (II) is preferably (content of general formula (I): content of general formula (II)) force 1: 9 to 9: 1. This is because by setting the above range, an ink having a particularly excellent color tone can be obtained. [Dye verification method]
- 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 strongest detected MZZ for each of p o s i and n g a.
- the black pigment is preferably 'self-dispersing carbon black.
- the self-dispersing carbon black include carbon black in which at least one hydrophilic group is bonded directly to the surface of the single bon black or via another atomic group.
- ionic self-dispersing carbon black is preferable.
- ⁇ - charged carbon black is ON resistance, one CO OM surface of carbon black, one S0 3 M, - P0 3 HM , the union of a hydrophilic group such as one P0 3 M 2 can be mentioned up.
- M is a hydrogen atom, alkali metal, ammonium or organic ammonium.
- carbon black which is charged with anionic property by bonding one COOM and one S0 3 M to the carbon black surface, is an ink. Since dispersibility in is good, it is particularly preferable.
- alkali metal examples include Li, Na, K, Rb and Cs.
- organic ammonium examples include methyl ammonium, dimethyl ammonium, trimethyl ammonium, Ethyl ammonium, Jetyl ammonium, Triethyl ammonium, Methanol ammonium, Dimethanol ammonium, Trimethanol ammonium, etc.
- An example of a method for producing a self-dispersing carbon black charged with anionic properties is a method of oxidizing carbon black with sodium hypochlorite.
- one COON a group is chemically bonded to the carbon black surface. It can be made.
- the hydrophilic group may be directly bonded to the carbon black surface.
- another atomic group may be interposed between the carbon black surface and the hydrophilic group, and the hydrophilic group may be indirectly bonded to the carbon black surface.
- Specific examples of the other atomic group include a linear or branched alkylene group having 1 to 12 carbon atoms, a substituted or unsubstituted phenylene group, and a substituted or unsubstituted naphthylene group.
- Examples of the substituent of the phenylene group and the naphthylene group include a linear or branched alkyl group having 1 to 6 carbon atoms. Specific examples of combinations of other atomic groups and hydrophilic groups include: —C 2 H 4 —CO OM, 1 P h—S 0 3 M, —P h—CO OM, etc. L is a hydrogen group, M is a hydrogen atom, an alkali metal, and an ammonium woman is an organic ammonium.).
- the content of the black pigment in the ink of the present invention is preferably 0.1% by mass or more and 5% by mass or less, and particularly preferably 0.2% by mass or more and 2% by mass or less with respect to the total mass of the ink.
- the content is less than 0.1% by mass, the desired optical density may not be obtained.
- the content is more than 5% by mass, recording with a porous material having a cationic charge on the support This is because the glossiness when printing on the medium may be insufficient.
- the mass ratio of the dye content and the pigment content is (the dye content Z the pigment content)> 5.
- the mass ratio is 5 or less, metallic luster is generated and the image density may be lowered.
- 20 ⁇ (content of dye / content of pigment) >> 5 is preferable. If the mass ratio exceeds 20, the effect on image density and fastness may not be obtained sufficiently. .
- the compound represented by the general formula (I) or a salt thereof, or the compound represented by the general formula (II) or a salt thereof is a dye having particularly excellent fastness compared to a conventional dye, Further, when compared with the same ink composition, the permeability to the recording medium in which the ink receiving layer is formed of porous fine particles is relatively low. As a result, even if the content of the black pigment in the ink is reduced, it is considered possible to maintain high fastness.
- the compound represented by the general formula (I) or a salt thereof, or the compound represented by the general formula (II) or a salt thereof has 4 or more azo groups in the molecular structure
- the molecular size is large compared to the widely used disazo and triazo dyes.
- the large molecular size of the dye makes it easier to trap the pigment between the dyes, and the pigment can be distributed near the surface of the recording medium. Concentration is thought to increase effectively.
- a recording medium such as glossy paper, which is difficult for the pigment to penetrate and easily aggregates on the surface of the recording medium, it is considered that the aggregation of the pigment is reduced by using the dye and the pigment together.
- the dye used in the present invention suppresses the penetration of the dye into the recording medium, compared with the dye that penetrates deeply into the recording medium, the pigment on the surface of the recording medium has It is considered that it has a function of more effectively mitigating aggregation.
- the dye in addition to the above dyes and pigments, other than the above as color materials for toning
- the dye may be used.
- an ink having a color tone different from that of the ink of the present invention may be used in combination.
- light inks having the same color tone as these inks can be used in combination.
- the color material of these different color tones or light inks may be a known dye or a newly synthesized color material.
- toning dyes and dyes used for other inks used together with the black ink of the present invention are shown below by color tone.
- color tone Specific examples of toning dyes and dyes used for other inks used together with the black ink of the present invention are shown below by color tone.
- the present invention is not limited to these. .
- the ink of the present invention is prepared by dissolving or dispersing the above-described color material in an aqueous medium mainly composed of water.
- an aqueous medium water alone or one containing water and a water-soluble organic solvent can be used.
- the water-soluble organic solvent is generally used as a solvent for inkjet ink, such as aliphatic monohydric alcohol, polyhydric alcohol, glycol ether, nitrogen-containing polar solvent, sulfur-containing polar solvent, etc., it is problematic. Can be used.
- These water-soluble organic solvents can be used alone or in combination.
- the content of these water-soluble organic solvents is preferably 5% by mass to 90% by mass, and more preferably 10% by mass to 50% by mass with respect to the total mass of the ink.
- the content is less than this range, If the content is higher than this range, the ink viscosity may increase and ink supply failure may occur. is there.
- the viscosity is sufficient to obtain ink ejection stability, and the water content of the ink does not cause clogging at the nozzle tip. 30 mass%-95 mass% is preferable with respect to the total mass.
- nitrogen-containing compounds such as urea or ethylene urea, surfactants, pH adjusting agents, antifungal agents, antiseptics, force-proofing agents, antioxidants, reducing agents
- Various additives such as an inhibitor, an evaporation accelerator, a chelating agent and a water-soluble polymer may be contained.
- any recording medium can be used as long as recording is performed by applying ink.
- a recording medium in which the ink receiving layer is formed of porous fine particles having a cationic charge is preferable.
- a recording medium having an ink receiving layer mainly composed of fine particles having an average particle size of 1 ⁇ or less is preferable.
- the fine particles include Siri force fine particles and acid aluminum fine particles.
- Preferred silica fine particles are silica fine particles represented by colloidal silica force. Colloidal silica itself can be obtained from the market, but in particular, those disclosed in, for example, Japanese Patent Nos. 2 80 3 1 3 4 and 2 8 8 1 8 4 7 are preferable.
- Preferred as the aluminum oxide fine particles are alumina hydrate fine particles and the like.
- One example of such an alumina pigment is an alumina hydrate represented by the following formula.
- n represents an integer of 1, 2 or 3
- m is 0 to 1 0, preferably Or 0-5.
- m and n cannot be 0 at the same time.
- mH 2 0 also represents a detachable aqueous phase that is often not involved in the formation of the mH 2 O crystal lattice, m can be an integer or non-integer value. And when this kind of material is heated, m can reach zero.
- Alumina hydrate can be obtained by hydrolysis of aluminum alkoxide, hydrolysis of sodium aluminate described in U.S. Pat. No. 4,2 4 2,2 71, U.S. Pat. Also, it is produced by a known method such as a method of neutralizing by adding an aqueous solution of sodium sulfate, aluminum salt, etc. to an aqueous solution of sodium aluminate described in Japanese Patent Publication No. 5-7-4 4605. can do.
- the recording medium using the above-mentioned alumina hydrate is preferable because it has excellent gloss, transparency, and fixability of the coloring material in the ink required for realizing the photographic image quality as described above. .
- binder examples include water-soluble polymers such as latex.
- cenorelose derivatives such as polybutyl alcohol or a modified product thereof, starch or a modified product thereof, gelatin or a modified product thereof, gum arabic, carboxymethylcellulose, hydroxyxylyl cellulose, hydroxypropynolemethylenoresenorelose, etc.
- S ⁇ BR Latex, NBR Latex, Methyl Methacrylate-Butadiene Copolymer Latex, Functional Group Modified Polymer Latex, Ethylene Acetate Bull Copolymer Latex, Polyvinylpyrrolidone, Maleic Anhydride or its A copolymer, an acrylate ester copolymer, etc. are used, and one kind selected from these, or two or more kinds can be used in combination as required.
- the mixing ratio of the fine particles and the binder is preferably 1: 1 to 100: 1 in mass ratio.
- the preferred content of the aluminum oxide fine particles or silica fine particles in the ink receiving layer is 50% by mass or more, more preferably 70 '% by mass or more, and further preferably 80% by mass or more. 9 9% by mass or less is most preferable.
- the coating amount of the ink receiving layer is preferably 10 g / m 2 or more, most preferably 10 to 60 g / m 2 in terms of dry solid content.
- the recording medium preferably has a support for supporting the ink receiving layer.
- the support is not particularly limited as long as the ink receiving layer can be formed of the above-described porous fine particles and gives rigidity that can be transported by a transport mechanism such as an ink jet printer. Any one can be used.
- additives can be used in the ink receiving layer.
- a dispersant e.g., a thickener, a pH adjusting agent, a lubricant, a fluidity modifier, a surfactant, an antifoaming agent.
- Mold release agents e.g., fluorescent brighteners, ultraviolet absorbers, acid repellants, and the like.
- 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 integrated ink tanks, and includes a case where a plurality of individual ink tanks are used in combination. One thing is also included. Inkjet recording method>
- the ink according to the present invention is particularly preferably used for an ink jet recording method having a step of ejecting the ink by an ink jet method.
- Inkjet recording method is a recording that ejects ink by applying mechanical energy to ink.
- a recording method in which ink is ejected by applying thermal energy to the ink can be preferably used.
- Examples of the ink cartridge suitable for performing recording using the ink according to the present invention include an ing cartridge provided with an ink storage portion for storing these inks. ⁇
- a recording unit suitable for performing recording using the ink according to the present invention includes a recording unit including 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 schematic configuration of the mechanism part of the ink jet recording apparatus will be described below.
- 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.
- 2 and 3 are diagrams for explaining an internal mechanism of the recording apparatus main body,
- FIG. 2 is a perspective view from the upper right part, and
- FIG. 3 is a side sectional view of the recording apparatus main body. Is.
- the pair of roller rollers composed of the transport roller M 3 0 60 and the pinch roller M 3 0 70 is rotated by the drive of the motor E 0 0 0 2, and the recording medium moves 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 HI 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 with the recording head H 1 0 0 1; Conveying roller M 3 0 6 (This configuration is such that an image is formed on the recording medium by alternately repeating sub-scanning in which the recording medium is conveyed in the row direction.
- the recording medium on which the image is finally 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 is conveyed to the paper output tray M 3 1 6 Ejected to zero.
- the cap M .5 0 1 0 is attached to the recording head HI 0 0 1 for the purpose of attaching the recording head H 1 0 0 1 before and after the image recording in the taring section.
- the pump M 5 0 0 0 When the pump M 5 0 0 0 is applied in a state of being in close contact with the ink discharge port, unnecessary ink or the like is sucked from the recording head HI 0 1.
- the cap M 5 0 10 opened the ink remaining in the cap M 5 0 1 0 is aspirated to prevent sticking with the remaining ink and subsequent problems. Yes.
- the configuration of the head cartridge H1000 will be described.
- the head cartridge H 1000 has a recording head H 1001, a means for mounting the ink tank H1900, and a means for supplying ink from the ink tank HI 900 to the recording head. It is detachably mounted on 4000.
- Fig. 4 shows how the ink tank H1900 is installed in the head cartridge H1000.
- the recording device forms an image with yellow, magenta, cyan, black, light magenta, light scan, and green ink, so the ink tank HI 900 is also prepared for 7 colors independently.
- the ink according to the present invention is used as at least one kind of ink. As shown in the figure, each is detachable from the head cartridge HI 000.
- the ink tank HI 900 can be attached and detached while the cartridge M4000 is installed with the head cartridge H 1000.
- Figure 5 shows an exploded perspective view of the head cartridge HI 000.
- the head cartridge H 1000 includes a first recording element substrate HI 100 and a second recording element substrate H 1101, a first plate HI 200, a second plate H 1400, an electric wiring substrate H 1300, It consists of tank holder H 1500, flow path forming member HI 600, filter HI 700, seal rubber H 1800, and so on.
- the first recording element substrate H 1 100 and the second recording element substrate H 1 101 are S i substrates, and a plurality of recording elements (nozzles) for ejecting ink are formed on one side by photolithography technology.
- 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. Furthermore, an ink supply port for supplying ink to a plurality of ink flow paths is formed so as to open on the back surface.
- FIG. 6 shows the first recording element substrate H 1 100 and the second recording element substrate H 1 101. It is a front enlarged view for demonstrating the structure of this.
- 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.
- Nozzle rows H2100 to which magenta ink is supplied and nozzle rows H2200 to which cyan ink is supplied are composed of nozzle rows for three colors.
- printing element substrate HI 101 has a nozzle row H 2 to which light cyan ink is supplied.
- Nozzle rows H2400 to which black ink is supplied, nozzle rows H2500 to which orange ink is supplied, and nozzle rows H2600 to which light magenta ink is supplied are configured.
- Each nozzle array is composed of 768 nozzles arranged at intervals of 1200 dpi (dot / inch; 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 ⁇ 2 .
- the first recording element substrate 100 1 100 and the second recording element substrate HI 101 are bonded and fixed to the first plate HI 200.
- An ink supply port HI 201 for supplying ink to the second recording element substrate H 1101 is formed.
- first plate HI 200 includes a second plate HI having an opening.
- the second plate HI 400 is electrically connected to the electrical wiring board H1 300 and the first recording element substrate H 1 100 and the second recording element substrate H 1 101. As shown, the electric wiring board HI 300 is held.
- the electrical wiring board H 1300 is a mokume which applies an electrical signal for ejecting ink from each nozzle formed on the first recording element board H 1 100 and the second recording element board HI 101.
- the external signal input terminal HI 301 is positioned and fixed on the back side of the tank holder HI 500.
- a flow path forming member H 1600 is fixed to a tank holder H 1500 that holds the ink tank H 1900 by, for example, ultrasonic welding, and an ink flow path HI 501 that leads from the ink tank H 1 900 to the first plate H 1200 is provided. It is formed.
- a filter HI 700 is provided at the end of the ink flow path H 1 501 engaged with the ink tank H 1 900 on the ink tank side so as to prevent intrusion of dust from the outside.
- a seal rubber HI 800 is attached to the engaging portion with the ink tank HI 900 so that ink evaporation from the engaging portion can be prevented.
- the tank holder HI 500 a part of the tank holder including the flow path forming member HI 600, the filter H 1 700, and the seal rubber H 1800, the first recording element substrate H 1 100, and the second recording
- the red cartridge H 1000 is configured.
- a bubble jet (registered trademark) that performs recording using an electrothermal transducer (recording element) that generates thermal energy for causing film boiling to the ink in response to an electrical signal.
- An example of the recording head of the method was described.
- Arranged electricity Applying at least one drive signal that corresponds to the recorded information and gives a rapid temperature rise exceeding nucleate boiling to the thermal transducer, generating thermal energy in the electrothermal transducer, and the thermal action of the recording head It is effective because film boiling occurs on the surface, and as a result, bubbles in the liquid (ink) corresponding to this drive signal on a one-to-one basis can be formed.
- the liquid (ink) is ejected through the ejection opening to form at least one droplet. If this ft signal is made into a pulse shape, the bubble growth and contraction are performed immediately and appropriately, so that it is possible to achieve discharge of a liquid (ink) with particularly excellent responsiveness.
- a nozzle forming substrate having a plurality of nozzles, a pressure generating element made of a piezoelectric material and a conductive material disposed opposite to the nozzle
- An example is an on-demand ink jet recording head that includes ink that fills the periphery of the pressure generating element, displaces the pressure generating element by an applied voltage, and ejects small droplets 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 mounted on the carriage so as to be separable or non-separable from the head, but is provided at a fixed portion of the apparatus, and is used for recording via an ink supply member such as a tube.
- the ink may be supplied to the head.
- an ink absorber is disposed in the ink storage section 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 ( ⁇ ) was dissolved in water containing added sodium carbonate, and further dichlorinated by adding hydrochloric acid and sodium nitrite. To this diazo turbid solution, an aqueous solution of 6-phenylamino-1-hydroxynaphthalene-1-sulfonic acid was added and dissolved in the presence of sodium carbonate to obtain a solution ( ⁇ ). Next, 2-aminosulfonic acid was dissolved in the presence of sodium hydroxide, and diazotization was performed by adding hydrochloric acid and sodium nitrite. Next, 6-amino-1-hydroxynaphthalene-3-sulfonic acid was dissolved in the presence of sodium hydroxide, and acetic anhydride was added to carry out acetylation.
- reaction solution ( ⁇ ) 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 ( ⁇ ).
- reaction liquid ( ⁇ ) 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 added with hydrochloric acid and sodium nitrite to diazotize.
- the solution ( ⁇ ) was added dropwise in the presence of sodium carbonate to complete the coupling reaction, whereby a reaction solution was obtained.
- reaction solution was salted out with sodium chloride and then filtered to obtain the compound ( ⁇ ). ⁇ , ⁇ -Dimethylformamide was added with 2-tallow 4-1 cresol, toluene, potassium hydroxide, water was distilled off by azeotropy with toluene, propane sultone was added dropwise, and then sodium hydroxide was added. After adding and concentrating, palladium carbon was added in an autoclave and hydrogen gas was sealed to obtain a solution. By adding hydrochloric acid and sodium nitrite, Diazotization was performed, and the reaction solution (A) was added dropwise to complete the force coupling reaction in the presence of sodium hydroxide to obtain a reaction solution.
- 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 compound (A) was dissolved to complete the coupling reaction. This was salted with sodium chloride and then filtered and washed to obtain Exemplary Compound 1 (sodium salt).
- the compound of the following formula (B) was dissolved in water to which sodium hydroxide had been added, and further added with an aqueous sodium nitrite solution for diazotization.
- the diazo turbid solution was dropped into an aqueous solution of 6-amino-1-hydroxynaphthalene_3,5-disulfonic acid to perform a coupling reaction, salted with sodium chloride, filtered and washed. .
- the compound was dissolved in water to which sodium hydrate was added, and diazotized by adding hydrochloric acid and sodium nitrite.
- reaction solution A 8-amino-1-hydroxynaphthalene-1,6-disolefonic acid was added, sodium carbonate was added, and the mixture was stirred overnight to obtain reaction solution A.
- 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.
- This' Gazo turbid solution is dropped into 6-amino-1-hydroxynaphthalene-3-sulfonic acid in an aqueous solution to perform a coupling reaction, and after salt praying with sodium chloride, filtration and washing Went.
- Carbon black with specific surface area of 240 m 2 / g and DBP oil absorption of 65 m 1/100 g, 10 g of p-aminobenzoic acid, 1.2 g, and 7 2 g of water were mixed well.
- 1.62 g of nitric acid was added dropwise and stirred at 70 ° C.
- a solution of 1.07 g of sodium nitrite dissolved in 5 g of water was added thereto.
- the solution was stirred for an additional hour.
- the obtained slurry was filtered with a filter paper (trade name: Standard filter paper No. 2; manufactured by Advantech), and the particles were washed thoroughly with water and dried in an oven at 90 ° C.
- Self-dispersing carbon black ⁇ Prepared. Further, water was added to the self-dispersing carbon black B obtained above and dispersed so that the pigment concentration became 10% by mass to prepare a dispersion. By the above method, Pigment Dispersion Liquid B in which self-dispersing carbon black B was dispersed in water was obtained.
- Exemplified compound 1 as a compound represented by general formula (I) or a salt thereof
- Exemplified compound 4 as a compound represented by general formula (II) or a salt thereof
- pigment dispersions A and B Tables 3 and 4
- pressure filtration was performed with a filter having a pore size of 0.20 ⁇ m to prepare inks of Examples 1 to 9 and Comparative Examples 1 to 6.
- Table 3 After mixing the components shown in FIG. 1 and stirring sufficiently, pressure filtration was performed with a filter having a pore size of 0.20 ⁇ m to prepare inks of Examples 1 to 9 and Comparative Examples 1 to 6.
- Ink jet recording having an on-demand type multi-recording head in which the inks of Examples 1 to 9 and Comparative Examples 1 to 6 obtained above are ejected by applying thermal energy corresponding to the recording signal to the ink. It was installed in each color ink jet printer, and the following evaluation items were evaluated.
- Copy paper product name: office planner; manufactured by Canon
- glossy paper product
- PR-1100 glossy paper
- PR-1100 glossy paper
- the obtained printed matter was naturally dried for 24 hours, and then reflected with a spectrophotometer (trade name: Spectrolino; manufactured by Gretag Macbeth) with a reflection density of 50% of the ink applied (re, tone). The value of (OD) was measured.
- Tables 5 and 6 show the evaluation results.
- Table 7 shows the results of visual confirmation of the presence or absence of metallic luster in an image with an ink application amount of 100%.
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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 (1)
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US11/339,770 US7198664B2 (en) | 2004-07-29 | 2006-01-26 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus |
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JP2004-221833 | 2004-07-29 | ||
JP2004221833 | 2004-07-29 | ||
JP2005216231A JP2006063332A (ja) | 2004-07-29 | 2005-07-26 | 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 |
JP2005-216231 | 2005-07-26 |
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US11/339,770 Continuation US7198664B2 (en) | 2004-07-29 | 2006-01-26 | Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus |
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WO2006011657A1 true WO2006011657A1 (ja) | 2006-02-02 |
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PCT/JP2005/014241 WO2006011657A1 (ja) | 2004-07-29 | 2005-07-28 | 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 |
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2005
- 2005-07-26 JP JP2005216231A patent/JP2006063332A/ja not_active Withdrawn
- 2005-07-28 WO PCT/JP2005/014241 patent/WO2006011657A1/ja active Application Filing
-
2006
- 2006-01-26 US US11/339,770 patent/US7198664B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10204308A (ja) * | 1997-01-24 | 1998-08-04 | Nippon Kayaku Co Ltd | ポリアゾ化合物、水性インク組成物及び着色体 |
WO2004078860A1 (ja) * | 2003-03-05 | 2004-09-16 | Nippon Kayaku Kabushiki Kaisha | 水性黒色インク組成物及び着色体 |
JP2005036164A (ja) * | 2003-07-18 | 2005-02-10 | Nippon Kayaku Co Ltd | 水性黒色インク組成物及び着色体 |
Non-Patent Citations (2)
Title |
---|
DATABASE REGISTRY [online] XP002997108, Database accession no. 554433-03-3 * |
DATABASE REGISTRY [online] XP002997109, Database accession no. 546079-42-9 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
---|---|
JP2006063332A (ja) | 2006-03-09 |
US20060119684A1 (en) | 2006-06-08 |
US7198664B2 (en) | 2007-04-03 |
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