WO2004037546A1 - インクジェット記録方法および記録物 - Google Patents
インクジェット記録方法および記録物 Download PDFInfo
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- WO2004037546A1 WO2004037546A1 PCT/JP2003/013603 JP0313603W WO2004037546A1 WO 2004037546 A1 WO2004037546 A1 WO 2004037546A1 JP 0313603 W JP0313603 W JP 0313603W WO 2004037546 A1 WO2004037546 A1 WO 2004037546A1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
-
- 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
-
- 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
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
- B41J2/2114—Ejecting specialized liquids, e.g. transparent or processing liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
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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
Definitions
- the present invention relates to an ink jet recording method and a recorded matter, and more particularly to an ink jet recording method and a recorded matter capable of obtaining a high-quality color image on a recording medium having fibers that absorb ink components such as plain paper.
- ink jet recording method recording is performed by flying small droplets of a recording liquid (ink) and attaching them to a recording medium such as paper.
- a method in which an electrothermal converter is used as a discharge energy supply means and droplets are discharged by applying thermal energy to ink to generate bubbles it is easy to form a recording head with high density multi-orifice. High-resolution and high-quality images can be recorded at high speed (Japanese Patent Publication No. 61-59911, Japanese Patent Publication No. 61-59991, Japanese Patent Publication No. 61-59991) .
- inks used in conventional ink jet recording generally contain water as a main component, and generally contain a water-soluble high-boiling solvent such as glycol for the purpose of preventing drying and clogging.
- a water-soluble high-boiling solvent such as glycol
- the ink permeates into the recording paper, resulting in insufficient image density or a filler or sizing agent on the surface of the recording medium (recording paper).
- the image density may have been uneven due to the uneven distribution of the image.
- ink to add a compound to increase and penetration of the surface active agent in the ink is disclosed (JP-A 5 5 - 6 5 2 6 9) 0
- the permeability of the ink to the recording paper is improved and the bleeding is suppressed to some extent, the colorant of the ink penetrates deep into the recording paper, so that the image density is reduced.
- there were inconveniences such as a reduction in the sharpness of the image, and an image appearing through the back side of the recording medium.
- the ink tends to spread, resulting in a decrease in resolution and bleeding.
- a method in which a liquid for improving an image is deposited on recording paper prior to the ejection of recording ink.
- a method of jetting a solution of a polymer such as carboxymethylcellulose, polyvinyl alcohol, or polyvinyl acetate on a recording medium before printing Japanese Patent Laid-Open No. 56-89595.
- a polymer such as carboxymethylcellulose, polyvinyl alcohol, or polyvinyl acetate
- the reaction liquid penetrates into the recording medium, and the coloring liquid is applied after being present in the recording medium and disappearing from the surface of the medium.
- the coloring property is not improved, and there is a problem of strike-through in which the colorant is visible on the back surface of the recording medium.
- the reaction liquid reacts with the ink on the recording medium, the fixability is poor. If the reaction liquid reacts with the ink on the recording medium, the coloring property is poor.
- Another object of the present invention is to obtain a recorded matter in which a high-color-forming image is formed on a recording medium containing a plurality of fibers such as plain paper.
- a recording method in which, after applying a reaction liquid containing a polyvalent metal salt, a pigment ink having a surface tension lower than the surface tension of the reaction liquid is applied to perform recording, wherein the reaction is performed on an upper surface of the recording medium.
- Another embodiment according to the present invention includes the following.
- a recording method comprising:
- the pigment ink containing the surfactant at a higher content than the surfactant in the reaction solution is used.
- a recording method comprising:
- a recording method in which a reaction liquid is applied to a recording medium in advance and then a pigment ink is applied to perform recording.
- a recording method comprising:
- a recording method for forming an image on a recording medium by applying a reaction solution containing a polyvalent metal salt and then applying a pigment ink having a surface tension lower than the surface tension of the reaction solution.
- the recorded matter to be.
- a recorded material in which a pigment aggregation film is formed on a recording medium composed of a large number of fibers is formed on a recording medium composed of a large number of fibers
- the recorded matter wherein the coagulated film covers the plurality of fibers over a plurality of fibers.
- the recorded matter wherein the aggregation film covers the uneven portions of the plurality of fibers over the uneven portions.
- this recording method uses a recording medium containing a large number of fibers, such as plain paper.
- a recording medium containing a large number of fibers such as plain paper.
- FIG. 1 is a schematic perspective view showing an example of an ink jet printing.
- FIG. 2 is a schematic perspective view showing an example of the ink jet cartridge.
- FIGS. 3 (a), (b), (c), (d), (e) and (f) are schematic cross-sectional views showing the behavior of an ink on a recording medium by the inkjet recording method of the present invention.
- Figure 4 shows the absorption curve of the Bliss method.
- FIGS. 5 (a), (b), (c) and (d) are diagrams showing a state in which aggregates 31b are aggregated to form a film-like aggregate 31c.
- FIGS. 6 (a) and (b) are diagrams showing a state in which a film-like aggregate 31c is fixed on the surface of a recording medium to form an aggregated film 31d.
- FIG. 7 is a diagram showing a state of the recording medium surface when the aggregated film 31 d is not formed.
- FIGS. 8 (a), (b) and (c) are views showing the state when the surface of the recording medium is photographed using an electron microscope.
- FIG. 3 (a), (b), (c), (d), (e) and (f) show the basic concept of the present invention.
- FIG. 3 (a) shows a process in which the reaction liquid 20 is brought into contact with the pigment ink 30 on the upper surface of the recording medium 10, and the pigment is applied to the recording medium 10 to which the reaction liquid 20 has been applied in advance. The moment when the ink 30 is applied and comes into contact with the reaction liquid 20 is shown.
- the reaction liquid and the pigment ink are contacted in a liquid state.
- the permeability of the pigment ink is higher than the permeability of the reaction liquid.
- the surface tension of the pigment ink is lower than the surface tension of the reaction solution.
- the relationship between the surface forces can be adjusted, for example, by changing the content ratio of the surfactant in the reaction liquid and the pigment ink.
- the method of applying the reaction solution 20 is not particularly defined in the present invention, but the application by the well-known ink jet method can be suitably used. Further, in order to bring the reaction liquid 20 and the pigment ink 30 into contact with each other on the upper surface of the recording medium 10, the pigment ink 3 is applied before the reaction liquid 20 applied to the recording medium 10 permeates the recording medium 10. 0 must be assigned. In other words, the pigment ink is brought into contact with the reaction liquid in a liquid state on the upper surface of the recording medium. This is one of the features of the present invention. In order to realize this, it is preferable to use a reaction solution 20 having low permeability. If the reaction liquid 20 has low permeability to the recording medium 10, it is possible to set a certain amount of time until the pigment ink 30 is applied, so that it is easy to set suitable printing conditions.
- Making the reaction solution 20 low in permeability to the recording medium 10 can be achieved by suppressing the addition amount of a surfactant or the like serving as a penetration enhancer.
- a surfactant or the like serving as a penetration enhancer.
- the Bliss I method As one method for evaluating the permeability of the reaction solution 20 to the recording medium 10, there is the Bliss I method.
- the Bristol method is described in JAP AN TA PPI Paper and Pulp Test Method No. 51, “Test Method for Liquid Absorbency of Paper and Paperboard”, wetting time Tw, absorption coefficient K a (mL / m2-msi / 2 ) And the roughness index V r (mLZm2) are defined and described in many sales books, so detailed description is omitted here, but Fig. 4 shows only an example of an absorption curve.
- the reaction liquid 20 starts to permeate the recording medium 10 from the time when the wetting time Tw has elapsed. Therefore, by applying the pigment ink 30 and bringing it into contact with the reaction liquid 20 by the time when the permeation is not completely completed, the reaction existing on the upper surface of the recording medium can be achieved. The pigment ink can be brought into contact with the liquid interface.
- reaction liquid 10 and the pigment ink 30 are brought into contact with each other on or above the recording medium 10.
- the liquid absorbency of various types of plain paper can be controlled mainly by the surface tension of the liquid, and the landing time difference Td is several milliseconds or more in a general inkjet recording method. Therefore, the surface tension of the reaction solution is desirably 35 mN / m to 6 OmNZm.
- FIGS. 3 (b), (c) and (d) show a step of forming a film-like aggregate 31c on the interface where the reaction liquid and the pigment ink come into contact.
- This step is to form a film-like aggregate 31c formed by aggregating the pigment aggregates 31b immediately after the previous step, which is one of the features of the present invention.
- the manner in which the aggregates 31b aggregate to form the film-like aggregates 31c will be described later in detail with reference to FIGS. 5 (a), (b), (c) and (d).
- the pigment ink 3 To form the aggregates 31b constituting the film-like aggregates 31c, the pigment ink 3
- the most suitable method is to include polyvalent metal ions in the reaction solution to cause coagulation. It is also possible to use a method in which an organic substance is contained and aggregated.
- the polyvalent metal ions 21 contained in the reaction liquid collide with carboxylate ions, sulfonate ions, phosphate ions, etc. in the pigment ink 30 to cause a reaction, thereby reducing the dispersibility of the pigment. And consequently causes agglomeration of the pigment.
- the aggregation of the pigment is more likely to occur as the probability of the collision increases. Therefore, it is preferable that the polyvalent metal ion 21 contained in the reaction liquid 20 be contained more than the total charge concentration of the opposite polarity ion that reacts with the polyvalent metal ion 21 in the pigment ink 30.
- the total charge concentration refers to the number of polyvalent metal ions per unit mass in the reaction solution, and the opposite polarity ions such as carboxylate, sulfonate, and phosphate ions per unit mass in the pigment ink. Is defined by the number.
- FIGS. 5 (a) to 5 (d) are enlarged views of the parts indicated by broken lines in FIGS. 3 (b) to 3 (d).
- the aggregates 31b formed immediately after the pigment ink 30 comes into contact with the reaction solution 20 move along the surface of the reaction solution 20 with the surfactant 32. I will do it.
- the reason why the aggregates 3 1b and the surfactant 32 move on the surface of the reaction solution 20 is that the content of the surfactant 32 in the pigment ink 30 is increased.
- FIGS. 3 (e) and (f) show a process for promoting the permeability of the reaction solution 20 into the recording medium 10 and a process for fixing the film-like aggregates 31c to the surface of the recording medium 10. The steps that proceed almost simultaneously are shown in chronological order.
- the penetration enhancer and the solvent typified by the surfactant 32 contained in the pigment ink 30 diffuse into the reaction solution 20, and with this diffusion, the permeability of the reaction solution increases. As a result, the solvent component in the reaction liquid 20 and the solvent component in the pigment ink 30 rapidly permeate the recording medium 10.
- Such a diffusion of the penetration enhancer and a change in the permeability of the reaction solution are another feature of the present invention.
- the state in which this process has progressed is shown in FIG. 3 (e), and finally, as shown in FIG. 3 (f), the film-like aggregate 31 c is formed on the recording medium 10 (for example, And fix it so as to cover the surface of the plain paper composed of the above fibers to form the cohesive film 3Id.
- the surface of plain paper has undulations due to fiber irregularities, as shown in Fig. 6 (a)
- the film-like aggregates 31c are formed, the The solvent component and the solvent component in the pigment ink 30 quickly penetrate into the recording medium 10 and follow the undulations of the fiber irregularities as shown in Fig. 6 (b).
- Fig. 8 (a) is an electron micrograph of the plain paper surface without printing. According to the actual recording method of the present invention, as shown in Fig. 8 (c), the aggregated film 31d is usually used. Cover the paper surface. According to FIG. 8 (c), it can be seen that the aggregated film 31 d covers a plurality of fibers and covers the plurality of fibers, and that the aggregated film 31 d has cracks.
- the mixed liquid component of the reaction liquid 20 and the pigment ink 30 quickly penetrates into the recording medium 10, and the film-like aggregates 31c are quickly fixed on the surface of the recording medium.
- Fast fixing can be achieved.
- high color developability can be achieved by the film-like aggregate aggregate film 31d fixed so as to cover the surface of the recording medium.
- one of the features is that the reaction liquid 20 and the pigment ink 30 are brought into contact with each other on the upper surface of the recording medium 10.
- the case where the reaction solution and the ink are brought into contact with each other at a position other than the top surface of 0 will be described.
- the reaction liquid 20 is impregnated into the recording medium 10 and brought into contact with the pigment ink 30, most of the reaction occurs in the recording medium 10, so that the distribution of the pigment particles is more inside the surface of the recording medium 10.
- the formation of aggregates 31b at the interface of the reaction solution does not occur. Aggregates 31c of the above cannot be formed, and for this reason, high color development cannot be obtained.
- one of the characteristic features is that a film-like aggregate 31c is formed by aggregating the aggregates 31b. That is, a case where the film-like aggregate 31c is not formed will be described. Even if the pigment particles lose electrical repulsion and aggregate, they do not form a film and may maintain the state of aggregates 31b. According to the study of the present inventors, the size of the aggregates 31b is often 1 or less, and in such a state, as the reaction liquid 20 and the liquid component of the pigment ink 30 penetrate, As shown in FIG. 7, it has been found that most of the aggregates 31b flow between the fibers of the recording medium 10 together with the liquid component. For this reason, even if the fixing property is excellent, there is a possibility that a recorded matter having low coloring property may be obtained.
- Fig. 8 (b) is an electron micrograph when the aggregates 3 1b flowed between the fibers of plain paper, but it was observed that there was not much difference from Fig. 8 (a). As shown in c), the aggregated film 31d was not formed, and the recorded material had low coloring.
- another feature of the present invention is a change in the permeability of the reaction solution due to the diffusion of the penetration enhancer in the pigment ink into the reaction solution 10. If not diffused into the liquid 10, the permeability of the reaction liquid does not change, and the liquid component of the pigment ink 30 is retained on the film-like aggregate 31c. For this reason, the printing unit has to dry the solvent for a long time, which causes a problem that the fixing property is lowered. The same applies to the case where the pigment ink does not have a penetration enhancer.Since the permeability of the reaction solution 20 does not change, the printing portion retains the liquid for a long time, causing a problem that the fixability decreases. I do.
- the most suitable reactant that reacts with the pigment ink contained in the reaction liquid in the present invention is a polyvalent metal salt.
- the polyvalent metal salt is composed of a divalent or higher polyvalent metal ion and an anion that binds to these polyvalent metal ions.
- the reaction solution at least a part of the polyvalent metal salt is dissociated.
- the polyvalent metal ion C a 2+, C u2 + , N i 2+, M g 2+ and zn 2 + etc. divalent metal ions, and F e 3 + and A l 3+ etc. Valuable metal ions are listed.
- C 1 one, N 0 3 - include S 0 4 2 ⁇ like. It is desirable that the total charge concentration of the polyvalent metal ions in the reaction liquid be at least twice the total charge concentration of the opposite polarity ions in the pigment ink in order to form an aggregated film by reacting instantaneously.
- water-soluble organic solvent examples include amides such as dimethylformamide and dimethylacetamide, ketones such as acetone, ethers such as tetrahydrofuran and dioxane, polyethylene glycol, and polypropylene glycol.
- Polyalkylene glycols such as ethylene glycol, propylene glycol, butylene glycol, triethylene glycol, 1,2,6-hexanetriol, thioglycol, hexylene glycol
- Lower alkyl ethers of polyhydric alcohols such as alkyl glycols such as coal and ethylene glycol, ethylene glycol methyl ether, diethylene glycol monomethyl ether, and triethylene glycol monomethyl ether, ethanol, isopropyl alcohol, n-butyl
- monohydric alcohols such as alcohol and isobutyl alcohol, glycerin, N-methyl-2-pyrrolidone, 1,3-dimethylimidazolidinone, triethanolamine, sulfolane, dimethyl sulfoxide, etc.
- the content of the water-soluble organic solvent in the reaction solution in the present invention is not particularly limited, but is preferably 5 to 60% by mass, more preferably 5 to 40% by mass of the total mass of the reaction solution. Range.
- the reaction solution of the present invention may further contain additives such as a viscosity adjuster, a pH adjuster, a preservative, and an antioxidant, if necessary. Care must be taken in selecting and adding the amount of the surfactant that functions as a solvent in order to suppress the permeability of the reaction solution to the recording medium.
- the reaction liquid in the present invention is more preferably colorless, but may be a light-colored liquid that does not change the color tone of each color ink when mixed with ink on a recording medium.
- a preferable range of various physical properties of the reaction solution in the present invention as described above is preferably a solution adjusted so that the viscosity around 25 is in the range of 1 to 30 cps.
- the pigment of the pigment ink used in the present invention is used in a mass ratio of 1 to 20% by mass, preferably 2 to 12% by mass, based on the total mass of the pigment ink.
- Specific examples of the pigment used in the present invention include car pump racks as black pigments.
- specific surface area by BET method is 50 to 300 m2 / g
- DBP oil absorption is 40 to: L5Om1Z100 g
- volatile matter is 0.5
- Those having characteristics such as 110% and 1 ⁇ value of 2-9 are preferably used.
- yellow pigments include, for example, CI Pigment tYel 1 owl, CI Pigment tYellow2, CI Pigment Ye 1 1 o 3, CI Pigment Ye 1 1 owl 3 CI Pigment Ye 11 owl 6, C.I.Pigment Ye 11 ow83, and the like.
- magenta pigments include CI Pigment Red 5, CIP igment Red 7, C.I.Pigment Re dl 2.C.I.Pigment Red 48 (C a), C.I.Pigment Red 48 (M n) CI Pigment Red 57 (Ca), CI Pigment Red 2 and CI Pigment Red 122 and the like, and examples of cyan pigments include C.I.Pi.
- the pigment dispersant may be any water-soluble resin, but preferably has a weight average molecular weight in the range of 1,000 to 30,000, more preferably 3,000 to 30,000. Use in the range of 15,000.
- Such a minute Specific examples of powders include styrene, styrene derivatives, vinylnaphthalene, vinylnaphthylene derivatives, Q !,) aliphatic alcohol esters of ⁇ -ethylenically unsaturated carboxylic acids, acrylic acid, acrylic acid derivatives, maleic acid At least two monomers selected from the group consisting of acid, maleic acid derivative, itaconic acid, itaconic acid derivative, fumaric acid, fumaric acid derivative, vinyl acetate, vinylpyrrolidone, acrylamide, and derivatives thereof. At least one of them is a block copolymer composed of a hydrophilic polymerizable monomer), a random copolymer, a graft copolymer, or a salt thereof.
- natural resins such as rosin, shellac and starch can also be preferably used. These resins are soluble in an aqueous solution in which a base is dissolved, and are soluble resins.
- the water-soluble resin used as the pigment dispersant is preferably contained in the range of 0.1 to 5% by mass based on the total mass of the pigment ink.
- the entire pigment ink is adjusted to be neutral or alkaline.
- the solubility of the water-soluble resin used as a pigment dispersant can be improved, and a pigment ink having more excellent long-term storage properties can be obtained.
- the pH be in the range of 7 to 10.
- the pH adjusting agent used in this case include various organic amines such as diethanolamine and triethanolamine, and water of alkali metal such as sodium hydroxide, lithium hydroxide, and hydroxide hydration.
- Inorganic alcohol agents such as oxides, organic acids and mineral acids, and the like.
- An aqueous liquid medium suitable for the pigment ink containing the pigment used in the present invention is a mixed solvent of water and a water-soluble organic solvent, and contains various ions as water. It is preferable to use ion-exchanged water (deionized water) instead of ordinary water.
- the water-soluble organic solvent used by mixing with water include, for example, carbons such as methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, sec-butyl alcohol, and tert-butyl alcohol.
- the content of the water-soluble organic solvent in the pigment ink as described above is generally in the range of 3 to 50% by mass, more preferably in the range of 3 to 40% by mass of the total mass of the pigment ink. use.
- the content of water used is in the range of 10 to 90% by mass, and preferably 30 to 80% by mass of the total mass of the pigment ink.
- a surfactant, an antifoaming agent, a preservative, and the like are appropriately added to the pigment ink of the present invention in order to obtain a pigment ink having desired physical properties as needed. be able to.
- Surfactants that especially function as penetration enhancers it is necessary to add an appropriate amount to quickly permeate the reaction liquid and the liquid component of the pigment ink into the recording medium.
- 0.5 to 10% by mass, preferably 0.5 to 5% by mass is suitable.
- anionic surfactant examples include carboxylate type, sulfate type, sulfonate type, and phosphate type, and any of those generally used can be preferably used.
- a pigment ink containing a pigment As a method for producing a pigment ink containing a pigment as described above, first, a pigment is added to an aqueous medium containing at least water and a water-soluble resin as a dispersant, and mixed and stirred. Dispersion is performed using the dispersing means described above, and if necessary, centrifugal separation is performed to obtain a desired dispersion. Next, a sizing agent and appropriately selected additive components as described above are added to the dispersion, followed by stirring to obtain a pigment ink used in the present invention.
- alkali-soluble resin When the above-mentioned alkali-soluble resin is used as a dispersant, it is necessary to add a base to dissolve the resin.
- monoethanolamine is used as the base.
- Organic amines such as diethanolamine, triethanolamine, amine methylpropanol and ammonia, or inorganic bases such as potassium hydroxide and sodium hydroxide are preferably used.
- a method for producing a pigment ink containing a pigment it is effective to perform premixing for 30 minutes or more before stirring and dispersing an aqueous medium containing the pigment. That is, such a premixing operation is preferable because the wettability of the pigment surface can be improved and the adsorption of the dispersant on the pigment surface can be promoted.
- the dispersing machine used in the above-described pigment dispersion treatment may be any commonly used dispersing machine, and examples thereof include a pole mill, a roll mill, and a sand mill. Among them, a high-speed sand mill is preferably used.
- Such materials include a super mill, a sand grinder, a bead mill, an agitate mill, a daren mill, a dyno mill, a pearl mill, and a mill.
- Polmill all are trade names).
- a pigment having an optimum particle size distribution is used due to a demand for clogging resistance and the like. Reducing the size of the grinding media of the mill, increasing the filling rate of the grinding media, increasing the processing time, reducing the discharge speed, classifying with a filter or centrifugal separator after grinding, And a method such as a combination of these methods.
- a liquid composition cartridge, a recording unit, an ink jet recording apparatus, and a liquid ejection head suitably used for these apparatuses are preferably applied to the liquid composition of the reaction liquid and the pigment ink having the above-described configuration.
- a specific example of the configuration will be described with reference to FIGS.
- FIG. 1 shows a liquid ejection head as an ink jet recording head of a discharge method suitable for the ink jet recording apparatus used in the present invention, in which bubbles communicate with the atmosphere at the time of discharge, and a liquid using the head.
- FIG. 1 is a schematic perspective view showing a main part of an example of an ink jet printer as a discharge device.
- the inkjet printer intermittently conveys paper 128 as a recording medium provided in a casing 100 along a longitudinal direction in a direction indicated by an arrow P shown in the figure.
- the reciprocating motion is carried out along the guide shaft 100 in a direction substantially parallel to an arrow S direction which is substantially perpendicular to the transport direction P of the transport device 100 and the transporting direction of the paper 102 by the transport device 103.
- a moving drive unit 106 as a driving unit for reciprocating the recording unit 101.
- the moving drive unit 106 includes pulleys 102 a and 102 b arranged on rotating shafts that are arranged opposite to each other with a predetermined interval, a belt 100 wound around the pulleys, and a roller unit 1. 0 2 2a, 1 0 2 2b, and approximately parallel to the roller unit And a motor 1018 for driving a belt 1016 connected to a carriage member 1010a of the recording unit 1010 in the forward and reverse directions.
- the carriage member 1010a of the recording unit 1010 is moved by a predetermined amount in the direction of arrow S in FIG.
- the carriage member 1010a of the recording unit 1010 moves in the direction opposite to the direction of arrow S in FIG. It is moved by a predetermined amount in the direction.
- a recovery unit 1026 for performing the ejection recovery process of the recording unit 1010 is provided at a position to be a home position of the carriage member 1010a, and an ink ejection port arrangement of the recording unit 1010. It is provided to face.
- the recording unit 1010 is an inkjet cartridge (hereinafter sometimes simply referred to as a “force cartridge”) 1012 Y, 1012 ⁇ , 1012 C and 1012 B each containing a color, for example, yellow, magenta, cyan and black pigments
- 1012S is provided as a reaction liquid so as to be detachable from the carriage member 1010a.
- FIG. 2 shows an example of an ink jet cartridge that can be mounted on the above-described ink jet recording apparatus.
- the cartridge 1012 in this example is of a serial type, and its main part is composed of an ink jet recording head 100 and a liquid tank 1001 that stores a liquid such as ink.
- the ink jet recording head 100 has a large number of discharge ports 832 for discharging liquid, and a liquid such as a liquid composition is supplied from the liquid tank 1001 through a liquid supply passage (not shown). It is led to a common liquid chamber (not shown) of the nozzle 100.
- the cartridge 1012 shown in FIG. The jet recording head 100 and the liquid tank 1001 are integrally formed so that the liquid can be supplied to the liquid tank 1001 as needed. A structure in which the liquid tank 1001 is exchangeably connected to the discharge head 100 may be adopted.
- the recording method of the present invention is particularly effective in an ink jet recording head or a recording apparatus in which a flying droplet is formed by utilizing thermal energy and recording is performed, among ink jet recording methods. is there.
- the typical configuration and principle are described, for example, in the basic specifications disclosed in U.S. Pat. Nos. 4,723,129 and 4,740,796. It is preferable to use the principle.
- This method can be applied to both the so-called on-demand type and continuous type.
- the on-demand type corresponds to the sheet ⁇ liquid path holding the liquid (ink).
- Heat energy is generated in the electrothermal transducer by applying at least one drive signal corresponding to the recorded information and providing a rapid temperature rise exceeding film boiling to the electrothermal transducer arranged At the very least, film boiling occurs on the heat-acting surface of the recording head, and as a result, bubbles in the liquid (ink) corresponding to this drive signal on a one-to-one basis are effective.
- the liquid (ink) is ejected through the ejection opening by the growth and contraction of the bubble to form at least one droplet.
- the drive signal is in the form of a pulse, the growth and shrinkage of the bubbles are performed immediately and appropriately, so that the ejection of liquid (ink) with particularly excellent responsiveness can be achieved, which is more preferable.
- the driving signal in the form of a pulse at this time is the one described in U.S. Pat. Nos. 4,463,359 and 4,345,262. Are suitable. Further, if the conditions described in US Pat. No. 4,313,124 relating to the invention relating to the rate of temperature rise of the heat acting surface are adopted, more excellent recording can be performed.
- the configuration of the ink cartridge, the recording unit, and the recording head constituting the ink jet recording apparatus used in the present invention include a discharge port, a liquid path, and an electrothermal converter as disclosed in the above-mentioned respective specifications.
- Japanese Unexamined Patent Publication No. 59-123690 discloses a configuration in which a common slit is used as a discharge portion of an electrothermal converter for a plurality of electrothermal converters, and a pressure wave of thermal energy is disclosed. It is also effective as a configuration based on Japanese Patent Application Laid-Open No. 59-1133841, which discloses a configuration in which an opening that absorbs air is made to correspond to a discharge portion.
- a multi-recording head as disclosed in the above specification is used. Or a configuration as a single recording head integrally formed.
- a replaceable chip-type recording head or recording head that can be electrically connected to the device main body and supplied with ink from the device main body by being attached to the device main body. It is also possible to use a cartridge type recording head in which an ink tank is provided integrally with the head itself.
- recovery means for the printhead, preliminary auxiliary means, and the like provided in the ink jet printing apparatus of the present invention since the effects of the present invention can be further stabilized.
- Specific examples thereof include a caving means for the recording head, a cleaning means, a pressurizing or suctioning means, a preheating means using an electrothermal converter or another heating element, or a combination thereof, and a recording means. It is also effective to perform a preliminary ejection mode for performing another ejection in order to perform stable printing.
- Disperser Sand grinder (made by Igarashi Kikai)
- the surface tension at this time was 32 mNZm, 3 lmN / m, and 33 mNZm, respectively.
- the surface tension at this time was 50 mNZm, 51 mNZm, and 48 mNZm, respectively.
- reaction solution S1 was obtained.
- reaction solutions S2 to S6 having the compositions shown in Table 3 below were prepared.
- reaction liquid S1 and pigment inks Kl, Cl, Ml, and Y1 Using reaction liquid S1 and pigment inks Kl, Cl, Ml, and Y1, reaction liquid S1 is first applied to PB paper (manufactured by Canon), which is plain paper, and then reaction liquid S1 and pigment The time difference Td before applying the inks Kl, Cl, ⁇ 1, ⁇ 1 is set to 5, 1
- Pigment inks Kl, Cl, Ml, and Y1 are applied so as to be in contact with the reaction solution S1 so that the times are 0, 15, and 20 milliseconds. did.
- the recording head used here had a recording density of 1,200 dpi, and the driving conditions were a driving frequency of 15 kHz. In addition, heads with a discharge volume of 4 p 1 per dot were used. The environmental conditions for the print test are unified to 25/55% RH.
- the reflection densities of 1.2, 1.1, 1.2, and 1.1 were obtained in the order of 1, Ml, and Yl.
- the printed matter 1B was prepared by applying the pigment inks Kl, Cl, Ml, and Yl to plain paper PB paper (manufactured by Canon).
- Example 1 When the same evaluation as in Example 1 was performed, the printed image did not flow, but the reflection density was 0.8, 0.7, 0.7 in the order of pigment inks Kl, Cl, Ml, and Y1. , 0.6. It was apparent that Example 1 had higher color developability than Example 1.
- Example 1C a printed matter 1C was obtained in the same manner as in Example 1 using the reaction solution S6. Then, when the same evaluation as in Example 1 was performed, the printed image did not flow, but the reflection density was 0.95, 0.8, 0.8 in the order of the pigment inks Kl, Cl, Ml, and Yl. 9, 0.8. The bleeding of the printed matter was better than Comparative Example 1. However, the color development was clearly higher in Example 1 than in Example 1.
- the printed materials 1A, 1B, and 1C prepared in Example 1 and Comparative Examples 1 and 2 were printed at a magnification of 5,000 times with a field emission scanning microscope JSM-6700F (manufactured by JEOL).
- Example 1 a printed matter 1D was prepared in the same manner as in Example 1, except that the pigment inks Kl, C1, Ml, and Y1 were replaced with the pigment inks K2, C2, M2, and Y2. Then, as in Example 1, when the printed portion was rubbed with the edge of another paper, the printed image was washed away and the image was disturbed. Even after rubbing 60 seconds later, the printed image was disturbed. Therefore, the result was low fixability.
- the printed matter 1 ⁇ was observed as if the pigment was uniformly covering the surface of the PB paper. In contrast to the visible color, printed matter 1D had small dots of pigment ink, and in some places the base was exposed.
- the reaction liquid S1 is first applied to PB paper (manufactured by Canon) as plain paper, and then the reaction liquid S1 and the pigment ink C1 are applied. While changing the condition of the time difference Td until the application, the pigment ink C1 was applied so as to be in contact with the reaction solution S1, and some prints were produced.
- PB paper manufactured by Canon
- the changed time difference Td was set to 5, 10, 20, 50, 80, 140, and 180 milliseconds.
- the recording head used here has a recording density of 1,200 dpi,
- the driving conditions were a driving frequency of 15 kHz.
- heads with a discharge volume of 4 p 1 per dot were used.
- the environmental conditions for the print test are unified to 25 ° C / 55% RH.
- Example 2 In the same manner as in Example 2, a printed matter was prepared with the time difference Td of 5, 10, 20, 50, 80, and 140 milliseconds, replacing the reaction solution S1 with S2.
- Example 2 In the same manner as in Example 2, a printed material was prepared with the time difference Td of 5, 10, 20, and 50 milliseconds, except that the reaction solution S1 was replaced with S3.
- Example 2 In the same manner as in Example 2, a printed matter was created with a time difference Td of 300 milliseconds.
- Example 3 In the same manner as in Example 3, a printed matter was created with a time difference Td of 180 and 300 milliseconds.
- Table 5 shows the results of measuring the reflection densities of the images obtained in Examples 2 to 5 and Comparative Examples 4 to 8 using a reflection densitometer.
- the evaluation criteria are as follows.
- the reflection density is 1.0 or more.
- the reflection density is 0.85 or more and less than 1.0.
- the strike-through was evaluated in the same manner as in the image density. However, the measurement was made on the back surface of the printing portion of the recording medium. Table 6 shows the results.
- the evaluation criteria are as follows.
- A The reflection density is less than 0.2.
- B The reflection density is 0.2 or more and less than 0.4.
- the reflection density is 0.4 or more and less than 0.6.
- the reflection density is 0.6 or more.
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20030758862 EP1555137B1 (en) | 2002-10-25 | 2003-10-24 | Method of ink-jet recording |
AU2003275642A AU2003275642A1 (en) | 2002-10-25 | 2003-10-24 | Method of ink jet recording and recorded matter |
CNB2003801046746A CN100346988C (zh) | 2002-10-25 | 2003-10-24 | 喷墨记录方法 |
US10/531,228 US7396120B2 (en) | 2002-10-25 | 2003-10-24 | Inkjet recording method and recording product |
KR1020057006980A KR100757160B1 (ko) | 2002-10-25 | 2003-10-24 | 잉크제트 기록 방법 |
DE60324699T DE60324699D1 (de) | 2002-10-25 | 2003-10-24 | Verfahren zur tintenstrahlaufzeichnung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002311468 | 2002-10-25 | ||
JP2002-311468 | 2002-10-25 |
Publications (1)
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WO2004037546A1 true WO2004037546A1 (ja) | 2004-05-06 |
Family
ID=32171084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/013603 WO2004037546A1 (ja) | 2002-10-25 | 2003-10-24 | インクジェット記録方法および記録物 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7396120B2 (ja) |
EP (1) | EP1555137B1 (ja) |
JP (1) | JP2004160996A (ja) |
KR (1) | KR100757160B1 (ja) |
CN (1) | CN100346988C (ja) |
AU (1) | AU2003275642A1 (ja) |
DE (1) | DE60324699D1 (ja) |
WO (1) | WO2004037546A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5235415B2 (ja) * | 2005-03-31 | 2013-07-10 | 富士フイルム株式会社 | インクジェット記録用インクセット、及びインクジェット画像記録方法 |
JP4989896B2 (ja) * | 2005-03-31 | 2012-08-01 | 富士フイルム株式会社 | インクジェット記録用インクセット、インクジェット記録用インク及びインクジェット画像記録方法 |
CN101346242B (zh) * | 2006-03-09 | 2010-04-14 | 佳能株式会社 | 图像形成方法、图像形成设备和喷墨记录设备 |
JP4498317B2 (ja) * | 2006-06-13 | 2010-07-07 | キヤノン株式会社 | 画像形成方法および画像形成装置 |
US7973097B2 (en) * | 2007-04-24 | 2011-07-05 | Canon Kabushiki Kaisha | Ink jet pigment ink and ink set |
JP5274083B2 (ja) * | 2008-04-08 | 2013-08-28 | 京セラドキュメントソリューションズ株式会社 | インクジェット記録方法及びインクジェット記録装置 |
JP2011521085A (ja) * | 2008-05-22 | 2011-07-21 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | インクジェットインクと共に用いられる定着インク |
JP5344871B2 (ja) * | 2008-08-22 | 2013-11-20 | 富士フイルム株式会社 | インクジェット記録方法 |
US8220913B2 (en) * | 2008-08-28 | 2012-07-17 | Fujifilm Corporation | Ink-jet recording method |
JP5665867B2 (ja) * | 2010-01-31 | 2015-02-04 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 表面処理された紙 |
JP6050998B2 (ja) * | 2012-09-28 | 2016-12-21 | 株式会社Screenホールディングス | 画像形成装置および画像形成方法 |
CN108472974B (zh) | 2016-01-15 | 2020-04-07 | 东洋油墨Sc控股株式会社 | 墨水组、及印刷物的制造方法 |
JP6776623B2 (ja) * | 2016-05-30 | 2020-10-28 | ブラザー工業株式会社 | インクセット及び記録方法 |
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2003
- 2003-10-24 AU AU2003275642A patent/AU2003275642A1/en not_active Abandoned
- 2003-10-24 KR KR1020057006980A patent/KR100757160B1/ko not_active IP Right Cessation
- 2003-10-24 DE DE60324699T patent/DE60324699D1/de not_active Expired - Lifetime
- 2003-10-24 JP JP2003364566A patent/JP2004160996A/ja active Pending
- 2003-10-24 CN CNB2003801046746A patent/CN100346988C/zh not_active Expired - Fee Related
- 2003-10-24 EP EP20030758862 patent/EP1555137B1/en not_active Expired - Fee Related
- 2003-10-24 US US10/531,228 patent/US7396120B2/en not_active Expired - Lifetime
- 2003-10-24 WO PCT/JP2003/013603 patent/WO2004037546A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
AU2003275642A1 (en) | 2004-05-13 |
DE60324699D1 (de) | 2008-12-24 |
CN1720146A (zh) | 2006-01-11 |
KR100757160B1 (ko) | 2007-09-07 |
US7396120B2 (en) | 2008-07-08 |
CN100346988C (zh) | 2007-11-07 |
EP1555137B1 (en) | 2008-11-12 |
US20060012627A1 (en) | 2006-01-19 |
EP1555137A4 (en) | 2006-04-19 |
JP2004160996A (ja) | 2004-06-10 |
KR20050060102A (ko) | 2005-06-21 |
EP1555137A1 (en) | 2005-07-20 |
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