WO2016117330A1 - Procédé de formation d'image et jeu d'encres - Google Patents

Procédé de formation d'image et jeu d'encres Download PDF

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Publication number
WO2016117330A1
WO2016117330A1 PCT/JP2016/000251 JP2016000251W WO2016117330A1 WO 2016117330 A1 WO2016117330 A1 WO 2016117330A1 JP 2016000251 W JP2016000251 W JP 2016000251W WO 2016117330 A1 WO2016117330 A1 WO 2016117330A1
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WO
WIPO (PCT)
Prior art keywords
solution
compound
image forming
forming method
white
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/000251
Other languages
English (en)
Inventor
Motokazu Kobayashi
Yoshinori Kotani
Satoshi YAMABI
Kenichi Iida
Takeshi Honma
Shiori YONEZAWA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2016006445A external-priority patent/JP2016137711A/ja
Application filed by Canon Inc filed Critical Canon Inc
Priority to US15/544,862 priority Critical patent/US20180002556A1/en
Publication of WO2016117330A1 publication Critical patent/WO2016117330A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
    • 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
    • B41M5/0023—Digital printing methods characterised by the inks used
    • 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
    • C09D11/322—Pigment inks
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/54—Inks based on two liquids, one liquid being the ink, the other liquid being a reaction solution, a fixer or a treatment solution for the ink

Definitions

  • the present invention relates to image forming methods and ink sets.
  • non-white recording media such as transparent and semitransparent films and colored paper.
  • Forming images on such non-white recording media involves forming white images.
  • One of the methods for forming white images is a method using white inks in which white pigment particles are dispersed.
  • Typical white pigment particles are often inorganic particles, such as titanium oxide particles. Because such inorganic particles have a large specific gravity, when white inks in which these inorganic particles are dispersed are left to stand in ink tanks, the inorganic particles may settle over time. When particles settle in ink tanks, not only may uneven images be formed but also nozzles may be clogged. Therefore, there has been a need to regularly circulate or stir inks in ink tanks.
  • an image forming method using an ink set including a liquid (ink composition) containing colloidal fine particles of titanium oxide and a liquid (reaction liquid) containing a flocculant for causing aggregation of colloidal fine particles of titanium oxide has been provided (PTL 1).
  • the image forming method described in PTL 1 involves reacting the ink composition and the reaction liquid on a recording medium to form white images.
  • titanium oxide is present as colloidal fine particles. Such fine particles are less likely to settle in ink tanks than titanium oxide particles having a large particle size and dispersed in white inks known in the art.
  • colloidal fine particles may aggregate and settle when the liquids are stored for a long time or when impurities are present in ink tanks.
  • the present invention provides an image forming method for forming white images. In this method, particles are unlikely to settle in ink tanks.
  • An image forming method includes a step of forming a white image by bringing a solution (A) containing a dissolved metal compound and a solution (B) containing an ion reactive with a metal element of the metal compound into contact with each other on a recording medium to produce a white compound.
  • An image forming method includes a step of forming a white image by bringing a solution (A) containing a dissolved metal compound and a solution (B) containing an ion reactive with a metal element of the metal compound into contact with each other on a recording medium (hereinafter referred to simply as a "medium") to produce a white compound.
  • the solution (A) contains and the solution (B).
  • a white image can be formed.
  • an ink set including the solution (A) and the solution (B) is used.
  • the “solution” as used herein does not refer to a liquid, such as a colloidal dispersion, in which fine particles are uniformly dispersed in a dispersion medium.
  • a “solution containing a dissolved compound X” as used herein, the compound X is electrolytically dissociated, ionized, and uniformly dispersed in a solvent, or oligomers of the compound X are uniformly dispersed in a solvent. Therefore, the Tyndall effect due to the compound X does not occur in the solution according to this embodiment containing the dissolved compound X.
  • the solution (A) according to this embodiment is a solution containing a dissolved metal compound X (hereinafter referred to simply as a "compound X").
  • the solution (A) is brought into contact with a solution (B) described below on a medium to cause a metal element to react with the solution (B).
  • a white compound Z hereinafter referred to as a "compound Z”
  • a precipitate is obtained as a precipitate.
  • the metal element contained in the solution (A) may be any metal element as long as the compound Z that is precipitated as a result of reaction between the metal element and the solution (B) is white.
  • the metal element include magnesium (Mg), sodium (Na), aluminum (Al), silicon (Si), zinc (Zn), zirconium (Zr), calcium (Ca), barium (Ba), titanium (Ti), and niobium (Nb). These metal elements tend to form white compounds as a result of being bonded to various anions.
  • the produced compound Z may be a compound having a low solubility in the solvent used.
  • the solution (A) is a solution obtained by dissolving the compound X in a solvent.
  • the compound X used to prepare the solution (A) may be a compound having a high solubility in the solvent used.
  • An aqueous medium may be used as a solvent for easy handling.
  • the compound X may be a salt containing a metal element and may be an ionic crystal or a polar molecule from the viewpoint of solubility in an aqueous medium.
  • the metal element dissolved in the solution (A) may be present as a metal ion, a complex, or a complex ion.
  • the compound X include, but are not limited to, magnesium chloride, magnesium sulfate, acetylacetone magnesium, magnesium disodium ethylenediaminetetraacetate, magnesium borate, magnesium citrate, magnesium formate, magnesium hexafluorosilicate, magnesium hydrogen phosphate, magnesium hydroxide, magnesium nitrate, magnesium lactate, magnesium oxalate, magnesium phosphate, magnesium silicate, magnesium thiocyanate, disodium ethylenediaminetetraacetate, sodium chloride, aluminum acetate, aluminum ammonium sulfate, aluminum lactate, aluminum hydroxide, aluminum nitrate, aluminum oxalate, aluminum potassium sulfate, aluminum sodium sulfate, aluminum chloride, potassium aluminate, potassium hexafluoroaluminate, calcium metasilicate, potassium silicate, sodium silicate, zinc acetate, zinc chloride, zinc disodium ethylenediaminetetraacetate, zinc sulfate
  • an organic solvent for example, aluminum ethoxide, aluminum isopropoxide, aluminum butoxide, ethyl silicate, titanium butoxide, and titanium isopropoxide may be used as the compound X.
  • the concentration of the compound X in the solution (A) may be 1 mass% or more and a saturated concentration or less. When the concentration of the compound X is 1 mass% or more, a large amount of the compound Z can be precipitated. When the concentration of the compound X is a saturated concentration or less, the compound X can be completely dissolved in the solution (A) to form a homogeneous solution.
  • the compound X When the compound X is unstable in the solution, the compound X may be stabilized by reaction with another compound in advance and used.
  • another compound for example, titanium (Ti) or niobium (Nb) is used as a metal element
  • an organic acid such as lactic acid or citric acid
  • the compound X may have a high solubility in the solvent of the solution (A).
  • the solubility may be controlled by, for example, adding another solvent for enhancing the dissolution of the compound in the solvent or adjusting the pH.
  • the solution (B) is a solution containing a reactive ion that causes precipitation of a white compound Z when reacted with a metal element contained in the compound X dissolved in the solution (A).
  • the solution (B) may be a solution in which a compound Y, which causes precipitation of the white compound Z when reacted with the metal element dissolved in the solution (A), is dissolved in the solvent.
  • the compound Y is any compound that provides the reactive ion when dissolved in the solvent and causes precipitation of the white compound Z when reacted with the metal element dissolved in the solution (A).
  • the compound Y can be freely selected in consideration of combination with the metal element.
  • the compound Z may be a salt in which the metal ion contained in the solution (A) is bonded to an anion being a reactive ion contained in the solution (B).
  • phosphate compounds such as sodium phosphate
  • the compound Y when the metal element is calcium, such as when calcium chloride is used as the compound X, phosphate compounds, such as sodium phosphate, can be used as the compound Y.
  • a calcium salt of phosphoric acid (compound Z) such as calcium phosphate, which is produced by reaction of a phosphate ion being a reactive ion with calcium, is white and has a low solubility in aqueous media and other solvents.
  • ammonium phosphate, phosphoric acid, or the like can be used as a phosphate compound.
  • sulfate compounds such as sodium sulfate
  • compound Y a calcium salt of sulfuric acid (compound Z), such as calcium sulfate, which is produced by reaction of a sulfate ion being a reactive ion with calcium, is white and has a low solubility in aqueous media and other solvents.
  • compound Z a calcium salt of sulfuric acid
  • sulfate compounds such as sodium sulfate
  • an organic acid complex of titanium such as titanium bis(ammonium lactato)dihydroxide
  • a basic aqueous solution can be used as the solution (B). That is, for example, potassium hydroxide, sodium hydroxide, or ammonia can be used as the compound Y.
  • the compound Z such as titanium oxide or titanium hydroxide, which is produced by hydrolysis of an organic acid complex of titanium under basic conditions, is white and has a low solubility in aqueous media. The same applies to the cases of using organic acid complexes of niobium and silicon.
  • the concentration of the compound Y in the solution (B) may be 1 mass% or more and a saturated concentration or less. When the concentration of the compound Y is 1 mass% or more, a large amount of the compound Z can be precipitated. When the concentration of the compound Y is a saturated concentration or less, the compound Y can be completely dissolved in the solution (B) to form a homogeneous solution.
  • the solution (A) according to this embodiment is a solution in which the compound X is dissolved in a solvent.
  • the solution (B) according to this embodiment is a solution in which the compound Y is dissolved in a solvent.
  • the solvent according to this embodiment is not limited to particular solvents, but an aqueous medium may be used as a solvent for easy handling.
  • the aqueous medium used in this embodiment may be water alone or a solvent mixture of water and a water-soluble organic solvent. Deionized water (ion exchange water) may be used as water.
  • the water-soluble organic solvent may have an effect of enhancing the dissolution of the compound X and the compound Y and an effect of inhibiting drying of the aqueous medium.
  • water-soluble organic solvent examples include, but are not limited to, C1 to C4 alkyl alcohols, such as methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, n-butyl alcohol, sec-butyl alcohol, and tert-butyl alcohol; amides, such as dimethylformamide and dimethylacetamide; ketones and ketone alcohols, such as acetone and diacetone alcohol; ethers, such as tetrahydrofuran and dioxane; polyalkylene glycols, such as polyethylene glycol and polypropylene glycol; alkylene glycols containing C2 to C6 alkylene groups, such as ethylene glycol, propylene glycol, butylene glycol, triethylene glycol, 1,2,6-hexanetriol, thiodiglycol, hexylene glycol, and diethylene glycol; lower alkyl ether acetates, such as polyethylene glycol
  • the proportion of the aqueous medium in the solution (solution (A) or solution (B)) may be, but not necessarily, 1 mass% or more and 95 mass% or less with respect to the total mass of the solution.
  • the solution can have a low viscosity.
  • the proportion of the aqueous medium is 95 mass% or less with respect to the total mass of the solution, an image having a high degree of whiteness can be formed.
  • the content of the water-soluble organic solvent may be, but not necessarily, 3 mass% or more and 50 mass% or less with respect to the total mass of the solution.
  • the solution (solution (A) or solution (B)) according to this embodiment can further contain a polymer compound.
  • the polymer compound contained in the solution can improve the scratch resistance of white images obtained by the image forming method according to this embodiment.
  • the polymer compound may be a water-soluble polymer.
  • the polymer compound may be a nonionic water-soluble polymer compound that does not react with other components in the ink set.
  • polymer compound according to this embodiment include, but are not limited to, resins, including polyacrylamide; polyvinyl pyrrolidone; water-soluble celluloses, such as carboxymethyl cellulose, hydroxymethyl cellulose, and hydroxypropyl cellulose; and polyvinyl methyl ether, polyvinyl acetal, and polyvinyl alcohol.
  • resins including polyacrylamide; polyvinyl pyrrolidone; water-soluble celluloses, such as carboxymethyl cellulose, hydroxymethyl cellulose, and hydroxypropyl cellulose; and polyvinyl methyl ether, polyvinyl acetal, and polyvinyl alcohol.
  • the above polymer compounds may be water-soluble polymers or may be in the form of a dispersion, such as a latex or an emulsion.
  • the proportion of the polymer compound in the solution according to this embodiment may be 0.01 mass% or more and 20 mass% or less with respect to the total mass of the solution.
  • solution (solution (A) or solution (B)) may optionally contain, in addition to the above components, for example, a polymer compound other than the above-mentioned polymer compound, a surfactant, a defoamer, and a preservative, unless the scope and advantages of the present invention are impaired.
  • the solution (solution (A) or solution (B)) according to this embodiment may contain organic fine particles to improve the visibility of the compound Z on a medium.
  • the diameter of the fine particles according to this embodiment is preferably 10 nm or more and 1000 nm or less, more preferably 20 nm or more and 600 nm or less.
  • the fine particles according to this embodiment may be shaped and made of materials so as not to settle in an aqueous solution. That is, porous or hollow fine particles having a lower apparent specific gravity may be used.
  • the fine particles according to this embodiment which are organic fine particles, tend to have a lower specific gravity than inorganic fine particles, the apparent specific gravity can be further reduced by using such porous or hollow fine particles. As a result, the fine particles added are less likely to settle in ink tanks.
  • organic fine particles include, but are not limited to, fine particles formed of polyolefins, such as polyethylene and polypropylene; vinyl polymers, such as polystyrene, polyacrylates, and polyvinyl acetate; condensation polymers, such as polyesters, phenol resins, polyurethanes, and polyimides; and naturally-occurring polymers. These may be used alone or as a mixture of two or more.
  • the ink set according to this embodiment includes the solution (A) containing the dissolved compound X and the solution (B) containing the dissolved compound Y.
  • the formation of a white image using the ink set according to this embodiment involves bringing the solution (A) and the solution (B) into contact with each other on a medium.
  • the compound X and the compound Y react with each other so that the compound Z, a white compound, is precipitated and forms a white image.
  • the image forming method includes a step of forming a white image by bringing a solution (A) containing a dissolved metal compound and a solution (B) containing a reactive ion reactive with a metal element of the metal compound into contact with each other on a recording medium to produce a white compound.
  • the recording medium is a medium on which a white image is formed by the image forming method according to this embodiment.
  • Examples of the recording medium that can be used include, but are not limited to, paper, films formed of polymer materials, such as polyvinyl chloride and PET, plastic, metal, wood, and fabric.
  • the solution (A) and the solution (B) are applied to a medium.
  • the solution (A) and the solution (B) are thus brought into contact with each other on the medium and, as a result, the compound Z is precipitated to form a white image on the medium.
  • Examples of methods for applying the solution (solution (A) or solution (B)) to a medium include, but not are limited to, a method for ejecting droplets of the solution to allow the droplets of the solution to land on a medium, a method for applying the solution to a medium using a roller or the like, and a method for bringing a capillary having the solution at its tip into contact with a medium.
  • a method for ejecting droplets of the solution to allow the droplets of the solution to land on a medium is preferred because the resolution of formed images can be improved.
  • An inkjet method is one of methods for ejecting droplets of a solution to allow the droplets of the solution to land on a medium.
  • Examples of the inkjet method include a method for discharging droplets of a solution (ink) by applying mechanical energy to the solution (ink) and a method for discharging droplets of a solution (ink) by applying thermal energy to the solution (ink) and thus foaming the ink.
  • the solution (A) and the solution (B) are mixed on a medium by bringing the solution (A) and the solution (B) into contact with each other on the medium.
  • the solution (B) reacts with a metal element in the solution (A) and the white compound Z is precipitated.
  • ejected droplets of the solutions (A) and (B) may be brought into contact with each other before landing on a medium and then allowed to land on the medium.
  • the order in which the solutions (A) and (B) are applied to a medium is not limited to a particular order.
  • droplets of the solution (B) may be applied to the medium so that at least some of droplets of the solution (B) overlap droplets of the solution (A) applied to the medium.
  • droplets of the solution (A) may be applied to the medium so that at least some of droplets of the solution (A) overlap droplets of the solution (B) applied to the medium.
  • droplets of the solution (A) and droplets of the solution (B) may be simultaneously applied to a specific region on a medium so that these droplets overlap each other.
  • the method in which one of the solution (A) and the solution (B) is applied to a recording medium and then the other solution is applied to overlap the one solution may be employed.
  • the white compound Z can be stably precipitated accordingly.
  • this method is employed in an inkjet method and droplets of the solution are applied to a recording medium by an inkjet method, the density of nozzles from which the solution is discharged can be increased. The resolution of a formed white image can be improved accordingly.
  • inks known in the art containing other color materials may be used together with the ink set according to this embodiment.
  • inks containing color materials of colors such as yellow, magenta, cyan, and black, can be used together with the ink set according to this embodiment to form images of full color including white.
  • images of colors other than white may be formed, by using coloring inks containing other color materials, on a white image formed by using the ink set according to this embodiment.
  • the solution (A) and the solution (B) are mixed on a recording medium and, as a result, the white compound Z is precipitated to form a white image.
  • the color tone of the compound Z on the recording medium may satisfy the following relationship from the viewpoint of the visibility of the white image.
  • the color tone of the compound Z on the recording medium may be as follows: in the L*a*b* color space (CIE 1976), the L* value is 50 or more and 100 or less, the a* value is -5 or more and +5 or less, and the b* value is -10 or more and +5 or less.
  • the L* value represents lightness where an L* value of 0 yields black and an L* value of 100 indicates diffuse white. That is, a higher L* value indicates a color closer to white.
  • the L* value is preferably 50 or more and 100 or less, more preferably 55 or more and 100 or less, and still more preferably 60 or more and 100 or less.
  • An image having a color tone closer to pure white can be formed by deposition of the compound Z having a color tone with an L* value in such ranges.
  • the a* value and the b* value represent chromaticity components, namely, hue and saturation.
  • the negative a* direction is the green direction and the positive a* direction is the red direction.
  • the negative b* direction is the blue direction and the positive b* direction is the yellow direction.
  • An a* value smaller than -5 indicates a color closer to green, whereas an a* value larger than +5 indicates a color closer to red.
  • a b* value smaller than -10 indicates a color closer to blue, whereas a b* value of +5 or more indicates a color closer to yellow. Therefore, the a* value may be -5 or more and +5 or less, and the b* value may be -10 or more and +5 or less.
  • the L* value, the a* value, and the b* value of a formed white image can be determined with a spectrophotometer.
  • a 50% aqueous solution of dihydroxybis(ammonium lactato)titanium (available from Alfa Aesar) was used as a solution (A).
  • a 3 mol/L aqueous solution of sodium hydroxide was used as a solution (B).
  • An A4-size OHP film (available from A-ONE G.K.) was used as a recording medium.
  • Example 1 A 1 mol/L aqueous solution of calcium nitrate (available from Kishida Chemical Co., Ltd.) was used as a solution (A). A 0.5 mol/L aqueous solution of sodium phosphate (available from Kishida Chemical Co., Ltd.) was used as a solution (B). As in Example 1, a white image was formed on the same recording medium as that in Example 1.
  • Example 1 A 1 mol/L aqueous solution of calcium chloride (available from Kishida Chemical Co., Ltd.) was used as a solution (A). A 1 mol/L aqueous solution of sodium phosphate (available from Kishida Chemical Co., Ltd.) was used as a solution (B). As in Example 1, a white image was formed on the same recording medium as that in Example 1.
  • Example 1 A 1 mol/L aqueous solution of calcium nitrate (available from Kishida Chemical Co., Ltd.) was used as a solution (A). A 1 mol/L aqueous solution of diammonium hydrogenphosphate (available from Kishida Chemical Co., Ltd.) was used as a solution (B). As in Example 1, a white image was formed on the same recording medium as that in Example 1.
  • Example 1 A 1 mol/L aqueous solution of calcium nitrate (available from Kishida Chemical Co., Ltd.) was used as a solution (A). A 1 mol/L aqueous solution of sodium sulfate (available from Kishida Chemical Co., Ltd.) was used as a solution (B). As in Example 1, a white image was formed on the same recording medium as that in Example 1.
  • Example 1 A 1 mol/L aqueous solution of barium chloride (available from Kishida Chemical Co., Ltd.) was used as a solution (A). A 1 mol/L aqueous solution of sodium sulfate (available from Kishida Chemical Co., Ltd.) was used as a solution (B). As in Example 1, a white image was formed on the same recording medium as that in Example 1.
  • Example 1 A 1 mol/L aqueous solution of barium acetate (available from Kishida Chemical Co., Ltd.) was used as a solution (A). A 1 mol/L aqueous solution of sodium sulfate (available from Kishida Chemical Co., Ltd.) was used as a solution (B). As in Example 1, a white image was formed on the same recording medium as that in Example 1. (COMPARATIVE EXAMPLE 1)
  • Example 2 One droplet (0.03 g) of a latex ink (LX-100, available from Mimaki Engineering Co., Ltd.) was placed on the same recording medium as that in Example 1 with a dropper. The droplet on the recording medium was then dried at room temperature to form a white image.
  • a latex ink LX-100, available from Mimaki Engineering Co., Ltd.
  • the lightness (L* value) and the chromaticity (a* value and b* value) were measured by using a spectrophotometer (CM-2600d, available from Konica Minolta, Inc). The measurement was carried out by a SCI mode including specularly reflected light. Images were rated A if the L* value was 50 or more and 100 or less, the a* value was -5 or more and +5 or less, and the b* value was -10 or more and +5 or less and rated B if otherwise. The results are shown in Table 1.
  • each of the solutions (30 mL) was placed in a 50 mL glass sample vial, tightly sealed, and allowed to stand at room temperature. After standing for 2 weeks (14 days), each sample vial was slowly tilted and determined for whether a sediment was present at the bottom of the sample vial.
  • the sedimentation property was evaluated as follows: the solution with no sediment was rated A; and the solution with a sediment was rated B. The results are shown in Table 1.

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

Abstract

Procédé de formation d'image comprenant une étape de formation d'une image blanche par mise en contact d'une solution (A) contenant un composé métallique dissous et d'une solution (B) contenant un ion réactif réagissant avec un élément métallique du composé métallique sur un support d'enregistrement pour produire un composé blanc.
PCT/JP2016/000251 2015-01-23 2016-01-19 Procédé de formation d'image et jeu d'encres Ceased WO2016117330A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/544,862 US20180002556A1 (en) 2015-01-23 2016-01-19 Image forming method and ink set

Applications Claiming Priority (4)

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JP2015011625 2015-01-23
JP2015-011625 2015-01-23
JP2016006445A JP2016137711A (ja) 2015-01-23 2016-01-15 画像形成方法、およびインクセット
JP2016-006445 2016-01-15

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WO2016117330A1 true WO2016117330A1 (fr) 2016-07-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150396A (en) * 1979-05-14 1980-11-22 Fuji Photo Film Co Ltd Method for attaining waterproof property to ink jet recorded sheet
JPS6458583A (en) * 1987-08-31 1989-03-06 Ricoh Kk Ink jet recording method
JPH0193389A (ja) * 1987-10-05 1989-04-12 Ricoh Co Ltd インクジェット記録方法
JPH05208548A (ja) * 1991-09-23 1993-08-20 Hewlett Packard Co <Hp> ブリードの軽減方法
JPH06106841A (ja) * 1992-08-05 1994-04-19 Hewlett Packard Co <Hp> 多色画像印刷方法、およびこれに用いるインクカートリッジ、ならびに多色画像印刷装置
JP2008066568A (ja) * 2006-09-08 2008-03-21 Konica Minolta Holdings Inc 電磁波シールド及び電磁波シールドの製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150396A (en) * 1979-05-14 1980-11-22 Fuji Photo Film Co Ltd Method for attaining waterproof property to ink jet recorded sheet
JPS6458583A (en) * 1987-08-31 1989-03-06 Ricoh Kk Ink jet recording method
JPH0193389A (ja) * 1987-10-05 1989-04-12 Ricoh Co Ltd インクジェット記録方法
JPH05208548A (ja) * 1991-09-23 1993-08-20 Hewlett Packard Co <Hp> ブリードの軽減方法
JPH06106841A (ja) * 1992-08-05 1994-04-19 Hewlett Packard Co <Hp> 多色画像印刷方法、およびこれに用いるインクカートリッジ、ならびに多色画像印刷装置
JP2008066568A (ja) * 2006-09-08 2008-03-21 Konica Minolta Holdings Inc 電磁波シールド及び電磁波シールドの製造方法

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