WO2012057372A1 - Procédé de préparation d'une composition d'encre pour impression jet d'encre séchable par rayonnement pour matériaux électriques ou électroniques pouvant utiliser un système d'impression jet d'encre tridimensionnel - Google Patents

Procédé de préparation d'une composition d'encre pour impression jet d'encre séchable par rayonnement pour matériaux électriques ou électroniques pouvant utiliser un système d'impression jet d'encre tridimensionnel Download PDF

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WO2012057372A1
WO2012057372A1 PCT/KR2010/007374 KR2010007374W WO2012057372A1 WO 2012057372 A1 WO2012057372 A1 WO 2012057372A1 KR 2010007374 W KR2010007374 W KR 2010007374W WO 2012057372 A1 WO2012057372 A1 WO 2012057372A1
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ink composition
polymer
ink
pigment
photocurable
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PCT/KR2010/007374
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English (en)
Korean (ko)
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문동완
임현균
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주식회사 씨드
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Priority to PCT/KR2010/007374 priority Critical patent/WO2012057372A1/fr
Publication of WO2012057372A1 publication Critical patent/WO2012057372A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
    • H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
    • H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing

Definitions

  • the present invention relates to an ink composition for an electrical or electronic material having anisotropy and electromagnetic conductivity capable of inkjet printing using a photocurable inkjet printing system, and in particular, an electrically conductive rheological polymer ink composition and a natural organic light emitting phosphorescent (fluorescence).
  • the present invention relates to a body ink composition and a method for manufacturing an electrical or electronic component using the same.
  • Solvent-type UV curing inks that can use inkjet printing in the field of manufacturing flexible electronic materials have attracted attention.
  • the inkjet printing method can be generally divided into a direct printing method and a thermal transfer printing method by a thermal transfer system by transferring to paper.
  • Photocuring inkjet printing is environmentally friendly due to simple process equipment and no waste water since no additional process for washing and fixing is required.
  • EPA Environmental Protection Agency
  • acetonitrile dimethyl sulfate, dimethylolamine, ethanolamine, N, N-dimethylformamide, formaldehyde, hydrazine
  • the International Chemical Safety Card also includes Acetonitrile, Dimethyl Sulfate, Dimethyl Sulfoxide (DMSO), Ethanolamine, N, N-Dimethylform Dimethylformamide, formaldehyde, hydrazine, morpholine (Morpholine), methyl ethyl ketone, sodium hydroxide (NaOH), tetrahydrofuran (THF) and urea as hazardous chemicals Doing.
  • DMSO Dimethyl Sulfate
  • DMSO Dimethyl Sulfoxide
  • Ethanolamine N, N-Dimethylform Dimethylformamide
  • formaldehyde hydrazine
  • morpholine Morpholine
  • methyl ethyl ketone sodium hydroxide
  • THF tetrahydrofuran
  • urea hazardous chemicals Doing.
  • Korea National Institute of Environmental Science defines methyl ethyl ketone, trimethyl amine, ethyl acetate, hydrazine, sodium
  • the harmful organic solvent is used to improve the output quality of the ink in the inkjet printing process.
  • organic solvents containing such harmful chemicals are used to make emulsion solutions in which the monodispersity and pigment particles have high stability.
  • the use of the solvent not only has a detrimental effect on the worker in the working process but also can generate harmful organic volatiles and water pollutants due to by-products of the process.
  • UV curing system which is a direct printing method
  • the UV curing system is used in the electronic, electrical, shipbuilding, It is not suitable as a system of digital inkjet inks for flexible materials as a system for special applications such as automobiles and aerospace.
  • Conventional digital electronic ink has a disadvantage that a specific pigment, dye phosphor (fluorescent) should be used because dyes and pigments (inks) are dyed (adhered) to the material by a dyeing mechanism, which has been pointed out in WO2007005240.
  • the current digital electronic printing process is easier to print using the digital electronic printing system than the conventional screen electronic printing process, but the pre-treatment process of the material for preventing ink bleeding and improving pigment-dye adhesion is still possible. Due to its complexity, it is known to be the biggest obstacle to the expansion of digital printing process. Recently, developed countries and overseas dye and pigment manufacturers are actively researching ink for digital electronic printing, which is available for all kinds of materials, but commercialized products are not known as an early stage of research and development.
  • an object of the present invention is to provide a photocurable ink composition for an electric material or an electronic material that can compensate for the disadvantages while applying the photocuring system of the existing dyes and pigments.
  • the ink composition of the present invention is physicochemically stable and can be applied to various kinds of materials such as films, glass and wood, and does not require pre and post treatment.
  • a pre- and post-treatment process according to the material is essential to obtain an optimal printed material.
  • Existing screen electronic printing process requires complicated processes such as vacuum decompression plasma surface treatment-thin film coating-print-exposure-etching-depressurization heating-washing-drying-bonding-molding-insulation process of silicon wafer and material surface processing. Water pollution occurs due to the chemicals used in the pretreatment and post-treatment processes, and environmental problems are caused by unfixed reaction dye pigments and unremoved pretreatment materials after printing on the material.
  • liquid crystal display LCD
  • TFT-LCD thin film transistor-liquid crystal display
  • PDP plasma display
  • SED set-off field emission display
  • FED field emission display
  • OLED Organic Limiting Emission Display
  • AMOLED Active Matrix Organic Limiting Emission Display
  • PLED Inorganic Phosphorus Organic Limiting Emission Display
  • Polymer-OLED Polymer-Organic Limiting Emission Display
  • OTFT It is used for display materials such as LCD (Organic Thin Film Transistor- Liquid Crystal Display), E-paper, Laser Paper (LCD).
  • PVK polyvinyl vinyl carbazole
  • carbon structuring materials such as carbon nanotubes, polypyrrole, and graphite are used to solve the switching problem of the liquid crystal, but problems of transparency, dispersion, and coating still exist.
  • an attempt was made to use an electrochromic polymer but in the case of an electrochromic material, there is a problem in that luminous efficiency drops rapidly with time.
  • the phosphor (fluorescent) used in the conventional LCD also has the disadvantage that the thickness of the display itself when used in the organic light emitting display.
  • the present invention provides a method for preparing an aqueous based or vegetable oil based photocurable inkjet ink composition which does not emit harmful substances and has a super high resolution similar to electron silver salt photographs for a conventional display, and does not emit harmful substances and can be used in various inkjet heads. to provide.
  • the present invention provides a method of manufacturing a high-performance polymer inkjet ink having an electroconductive rheological property including a material used for liquid crystal, and using the same, to realize a precision electrical and electronic component using a three-dimensional photocurable inkjet large format digital printer. To provide.
  • the step of preparing the electromagnetic conductive polymer particles is a polystyrene-acrylate- thiophene-acene-aniline-methylmethacrylate-unsaturated polyester mixture, modified silicone fluorinated-polyunsaturated polyester mixture Adding to ultrapure water or a vegetable oil mixture, and then polymerizing in the presence of a solvent and a catalyst; Synthesizing an electromagnetic conductive polymer by adding aluminum oxide and calcium hydrate to the polymer; Crystallizing the polymer by adding it to an azeotrope mixed with isopropyl alcohol and ethyl alcohol at 20:80 (volume ratio); Electromagnetic conductive polymer particles are prepared by adding the crystallized polymer, an initiator, a photosensitizer, a styrene / acrylate / methylmethacrylate / polyethyl-propyloxide mixture, a modified silicone / fluoro copolymer, an electrochromic
  • the method comprises the steps of selecting a dye or pigment phosphor (fluorescent); Preparing a photocurable dispersion master solution comprising the dye or pigment phosphor (fluorescent); Milling and dispersing the photocurable dispersion master solution; And mixing and dispersing the dispersed photocurable dispersion master solution and the photoreaction chemical, and finely filtering the photocurable ink composition for electrical and electronic materials.
  • the photocured dispersion master solution comprises the steps of mixing the ultrapure water or vegetable oil mixture with a surfactant; The polythiophenephosphonate-methyl methacrylate-modified unsaturated polyester copolymer polymer or polystyrene phosphonate-methyl methacrylate-modified unsaturated polyester copolymer polymer, modified fluorinated silicone polymer and conductive polymer are added to the mixture. Preparing a dispersion solution; And adding the conductive polymer particles or the dye-pigment phosphor (fluorescent substance) to the polymer dispersion solution and dispersing the mixture with stirring to produce a photocurable ink composition for electric and electronic materials. to provide.
  • the photocurable ink composition for electrical and electronic materials is 14 to 28% by weight photocurable dispersion master solution, 60 to 80% by weight water or vegetable oil mixture, pH buffer 0.1-1% by weight solution, 3-6% by weight photocuring monomer, 0.1-1% by weight surface tension modifier, at least one 0.1-1% by weight selected from the group consisting of photoinitiators, thermal initiators and free radical initiators, sensitizer 0.1 ⁇ 5% by weight, 0.1 to 1% by weight of the collecting agent, 0.1 to 1% by weight stabilizer, 0.1 to 1% by weight of the antifoaming agent and 0.5 to 1% by weight of the moisturizing agent.
  • an electrical and electronic component manufactured by printing with a three-dimensional digital printer using the photocurable ink composition for electrical and electronic materials.
  • the ink composition prepared by the present invention can be used for various types of heads without using harmful chemicals.
  • the ink composition of the present invention does not discharge harmful chemicals in the curing process does not have a harmful effect on the operator and the environment and can be used for various types of head, not a limited type of head.
  • 3D photocurable inkjet printers can be used to manufacture lighter and thinner precision electronic components, maximizing power consumption and power production efficiency.
  • the ink prepared in the present invention can be used for precision electric parts or electronic parts such as liquid crystal display, organic or inorganic light emitting display, plasma display, electrochromic display, electroluminescent display, solar cell, secondary battery, fuel cell or biosensor. have.
  • FIG. 1 schematically illustrates a manufacturing process of a photocurable inkjet ink composition
  • a photocurable inkjet ink composition comprising a dye, a pigment phosphor (fluorescent) body and electromagnetic conductive rheological polymer particles according to the present invention.
  • FIG. 2 is a block diagram showing the overall hardware configuration of a three-dimensional printing system according to an embodiment of the present invention.
  • FIG. 3 illustrates parallel processing operations of software by the three-dimensional printing system shown in FIG. 2.
  • FIG. 4B illustrates a liquid crystal display that is an example of an electronic product made by the method of the present invention.
  • FIG. 5 shows the color range of the display (red) which is an electronic product manufactured by the method of the present invention in Example 11 together with the color range of NTSC (violet), Adobe RGB (yellow) and commercially available TFT LCD (green).
  • NTSC violet
  • Adobe RGB yellow
  • TFT LCD commercially available TFT LCD
  • the present invention provides a photocurable ink composition for water-soluble (Red, Green, Blue, Black) or vegetable oils (Optical, White, Optical Electrode) -based electrical and electronic materials, including electromagnetic conductive rheological polymer and dyes, pigments.
  • Conventional molten LCD liquid crystal is LCP (Liquid Crystal Polymer) is formed by TN (Twist Nematic) method, in the present invention by providing an ink composition for electrical and electronic materials that can be applied to a three-dimensional optical curing printer A flexible three-dimensional photocurable printer can produce electrical and electronic components.
  • CNT Carbon Nano Tube
  • SWCNT Carbon Nano Tube
  • MWCNT Metal-Coupled Device
  • graphite graphene
  • the ink composition can be used to manufacture electrical and electronic components such as a display through a single printing process using a three-dimensional photo curing printer to escape the existing complex process.
  • the present invention uses a light (radiation, ultraviolet, infrared, visible light, microwave) light emitting diode curing device in the printing system to speed up the curing speed, and selected a form of moisture curing at room temperature for energy saving.
  • a light radiation, ultraviolet, infrared, visible light, microwave
  • the method for producing the dispersion master stock solution of a photocurable dye, a pigment phosphorescent inkjet ink comprises at least one dye, such as based on aqueous (red, blue, green, black) and vegetable oils (transparent, white, transparent electrodes), Selecting a pigment phosphor (fluorescent); Amphoteric (water soluble, fat soluble) photocurable modified polystyrene-acrylate-analine-acene-thiophene-methylmethacrylate-unsaturated ester photocured polymer from Sigma-Aldrich; Dyes, pigment phosphorescent (fluorescent) dyes 10 to 40 wt%; And super pure water or mixed vegetable oils (mixed dilution vegetable oils: 20 to 60 wt% vegetable oil, 20 to 40 wt% ether, 10 to 20 wt% lactam, 20 to 40 wt% lactone) 50 to 70 wt% dyes, pigment phosphorescent Preparing a (fluorescent) body
  • a photo-curable inkjet ink based on ultra pure water (red, blue, green, black) and mixed vegetable oil (transparent, white, transparent electrode) for inkjet electronic printing is at least one of Dispersion stock solutions comprising dyes, pigments and polystyrene / acrylate / thiophene / analine / acene / methylmethacrylate / unsaturated ester photocured polymers and modified silicone / fluoro copolymers; Ultra pure water or mixed vegetable oils; Potassium hydroxide pH buffer solution; A thickener prepared as a solution of vegetable oil mixed with water in any one or 5 to 500 ultrapure solutions thereof selected from the group consisting of polyethylene glycol and polypropylene glycol; One or a mixture thereof selected from the group consisting of glycerin, butanediol, propanediol and hexadiol is mixed diol solution mixed with normal methylpyrrolidone
  • the photocurable inkjet ink aqueous based composition comprises an ink composition comprising at least one of red, blue, green, black and vegetable oil based optical, white and optical eletronodes, pigment phosphors and organic substituted metallic molecules.
  • the dispersion master stocks do not emit volatile organic compounds in the manufacturing process and use process, and polythiophene, polypyrrole, polyacene, polyanaline, polyacetyrene, fullerene, carbon nanotubes, graphene, nano-electromagnetic conductive rheology polymers. It is an inkjet ink composition which can add a wire and a dendrimer.
  • Ink prepared in the present invention has a surface tension of 20 to 70 dyne / cm; Viscosity is 5.0-300 cPs; And pH 7-14.
  • the manufacturing process of the ink composition according to the present invention is a dye, pigment phosphorescent (fluorescent) pigment selection step (S11); Preparing a conductive rheological polymer particle (S12); Photocuring dispersion master solution manufacturing step (S13); Milling dispersion step S14; An ink formular step S15; Microfiltration step (S16); And it may include a printing step (S17).
  • S11 dye, pigment phosphorescent (fluorescent) pigment selection step
  • S12 Preparing a conductive rheological polymer particle
  • S13 Photocuring dispersion master solution manufacturing step
  • Milling dispersion step S14 An ink formular step S15; Microfiltration step (S16); And it may include a printing step (S17).
  • a dye or pigment phosphorescent (fluorescent) dye is selected.
  • Dyes and pigments phosphorescent pigments include aqueous based red, green and blue, vegetable oil based optical, white, optical electrodes and insulators. Black for the application.
  • the dye and pigment phosphorescent phosphors according to the present invention include the following materials. Among the following dyes, pigment phosphorescent (fluorescent) pigments and electrically conductive rheology materials, as shown in the provisions of the Oeko-Tex Standard 100 in Europe, a substance with no allergen and carcinogenicity can be used.
  • Pigment phosphor (fluorescent) body C.I. Pigment Blue 15; C.I. Pigment Blue 15: 1; C.I. Pigment Blue 15: 2; C.I. Pigment Blue 15: 3; C.I. Pigment Blue 15: 4
  • Dye phosphor fluorescent: C.I. Direct Blue 190; C.I. Direct Blue 191; C.I. Direct Blue 192
  • Natural phosphors Anthocyanin, Fe-Phtalocyanine, Luminol
  • Pigment phosphor (fluorescent) body C.I. Pigment Red 48; C.I. Pigment Red 48: 1; C.I. Pigment Red 48: 2; C.I. Pigment Red 122; C.I. Pigment Violet19
  • Dye phosphor fluorescent: C.I. Acid Red 84; C.I. Acid Red 87; C.I. Reactive Red 23
  • Natural phosphors Carmine A; Carmine b
  • Pigment phosphor (fluorescent) body C.I. Pigment Green 7, C.I. Pigment Green 36, Cu-Phtalocyanine,
  • Pigment C.I. Pigment Black 7, direct dye: Poly azo; Poly Phenol, Natural Dyes: Sepia color, Polypyrrole, Graphene, Fullerene, Graphite, Tanono Nanotubes
  • Pigments CI Pigment Violet 23, CI Pigment Orange 36, CI Pigment Orange 43, CI Pigment Green 7, CI Pigment Green 36, Phtalocyanine, White Carbon, Lithopone, Aluminum Oxide, Gold, Silver, Chopper, Fe 2 O 3 , Lithium, Magnesium, Barium sulfide, CNT (Carbon Nano Tube, SWCNT, MWCNT), Nanowire, Dendrimer, Graphene, Fullerene-C60, 61, 70, 90, PEDOT-POSS / PSS (Poly Thiopene Group), Poly Acetylene, Poly Pyrrole, Poly Phenylene Vinylene, Poly Vinylene Carbazole, Poly Sprazole, Poly acene, Poly aniline, Poly L-glutamate, Iridium, Hafnium.
  • the electrically conductive rheological polymers contained 20 to 40 wt% of a polystyrene-acrylate-thiophene-acene-aniline-methylmethacrylate-unsaturated polyester mixture under standard conditions (atmospheric pressure 1ATM, temperature 298.16K); 20 to 40 wt% of a modified silicone fluorinated polyester (such as Do-Corning I2700) mixture of ultrapure water or vegetable oil mixture (20 to 60 wt% of vegetable oil, 20 to 40 wt% of ether, lactam 10 to 20 wt%, lactone 20 ⁇ 40wt%).
  • a modified silicone fluorinated polyester such as Do-Corning I2700
  • the active end of the group terminal forms a functional group that is water-soluble or fat-soluble depending on the presence or absence of a hydroxy group. It is manufactured with Degassing using 99.999999999% nitrogen gas from Airproducts during the manufacturing process of electromagnetic conductive rheology polymer.
  • Dyes, pigment phosphors or conductive rheology polymers must first be short dispersed to produce a size such that the photocurable inkjet ink can be ejected through the printer nozzle.
  • Dispersing solvents for dispersing dyes, pigment phosphors and electroconductive rheological polymer particles are ultrapure water (Red, Green, Blue, Black pigments) or vegetable oil mixtures (Optical, White, Optical Electronode) (vegetable oil 20) ⁇ 60wt%, ether 20-40wt%, lactam 10-20wt%, lactone 20-40wt%) is used.
  • the vegetable oil may be used soybean oil, sesame oil, perilla oil or rapeseed oil.
  • KOH acid number (Acid number) 100 and Amine acid value (Acid) are used to produce inks that can be used not only for piezo electric jet heads but also for heads that generate at high temperatures in normal operating conditions, such as thermal (bubble) jet heads.
  • amphoteric modified silicone-fluorine-based surfactant having a density of 1.42 g / cm 3 was added and stirred sufficiently, and amphoteric photopolythiophenephosphonate-methylmethacrylate-modified unsaturated polyester of Sigma-Aldrich Copolymer or polystyrene phosphonate-methyl methacrylate-modified unsaturated polyester copolymer polymer, modified fluorinated silicone polymer of Dow-corning Co., Ltd. I2700 is added, and modified organic Phenylene Vinylene (PPV) or Tokyo Chemical Industry Sprizole is added to prepare a polymer dispersion suspension (emulsification) solution.
  • PPV modified organic Phenylene Vinylene
  • the dye, pigment phosphor (phosphorescent) particles or the above-mentioned electroconductive rheological polymer particles were added to prepare the dispersion master solution having a viscoelasticity by being wetted while slowly stirring. do.
  • the particle size of the dye, pigment phosphor (fluorescent) and the electroconductive rheological polymer particles dispersed (mixed / blended) in the dye, pigment phosphor (phosphorescent) dispersion master solution or dispersion solution of the electroconductive rheological polymer particles grows to the maximum size Is a sub nanoemulation size (0.1 nm) which is not suitable for jetting through an inkjet nozzle.
  • milling is performed by pre-milling (rotational speed of 500 to 3000 RPM) and fine milling (rotational speed of 1000 to 8000 RPM) to produce narrow nano-sized dispersions through the aggregation of particles.
  • zirconium-silica carbide-hafnium beads of 0.1 to 5 mm are placed in a milling machine to disperse the pigment so that the average particle size of the pigment is 1 to 10 nm for a processing time of 90 minutes at 1 kg.
  • a photocuring ink dispersion master stock solution excellent in dispersion is produced.
  • Beads for dispersing are introduced at about 60 to 90% of the total volume of the machine chamber and the injected zirconium-silica carbide-hafnium beads are rotated at a rate of 4,000 to 24,000 RPM.
  • ultrafast dry grinding equipment using a zirconium-silica carbide-hafnium bead is used for pilot ultra-high speed dry grinding equipment such as commercially available IKA T-200. do.
  • a photoreaction chemical is added to the dispersion master stock solution prepared above.
  • photoreactive chemicals are added to improve the stability, dispersibility, or binding properties of the ink composition.
  • the added photoreactive chemicals should take into account the improvement of ink properties such as surface tension, viscosity, pH and storage stability and at the same time use materials that are harmless to humans and the environment.
  • the photoreaction chemicals include pH buffer solutions such as potassium hydroxide, surface tension modifiers, moisturizers, sensitizers, collectors, stabilizers, antifoams, and ultrapure water / vegetable oil mixtures.
  • pH buffer solutions such as potassium hydroxide, surface tension modifiers, moisturizers, sensitizers, collectors, stabilizers, antifoams, and ultrapure water / vegetable oil mixtures.
  • Ultrapure water is used when the ink composition is water soluble, i.e. contains red, green, blue and black dyes, and vegetable oil mixtures are used for fat soluble, ie optical, white or optical electrodes.
  • the surface tension modifier is Surfynol CT-211, 221, 231, Dynol 604, 607 Zetasperse 2500, 3100, 3400, 3700, Envirogem AD01, AE01, 02, 03, 360; Tego 270, 280, 500, 505, Disperse 750, 760, an amphoteric surfactant from Degussa; BYK 023, 024, 027, 028, Disper 180, 184, 190, 192, 191, 193, which are amphoteric surfactants from BYK Corporation; Solsperse 27000, 40000, 41000, 41090, 42000, 44000, 46000, 47000, an amphoteric surfactant from Lubirazol; FC-4430, 4432 etc. which are amphoteric surfactants of 3M company can be used preferably.
  • the moisturizing agent may be a room temperature moisture-curable moisturizing agent such as modified glycerol ethoxy-propoxylate (Sigma-Aldrich, Glycerol ethoxy-prothoxylate), 1,6-hexylene diacrylate.
  • modified glycerol ethoxy-propoxylate Sigma-Aldrich, Glycerol ethoxy-prothoxylate
  • 1,6-hexylene diacrylate 1,6-hexylene diacrylate.
  • the photocurable polymer, the prepolymer, and the oligomer commercially available photocurable polymers, prepolymers, and oligomers may be used, but polyacrylates, polymethylmethacrylates, polyacrylates / polymethylmethacrylate oligomers, and unsaturated polyesters may be used.
  • polyacrylate polymethyl methacrylate, ethyl diacrylate, propyl diacrylate, butyl diacrylate, ethyl methacrylate, propylmethyl methacrylate, butyl methyl methacrylate
  • acrylamide monomers hydroxy ethyl methacrylate, hydroxypropyl methyl methacrylate, hydroxybutyl methyl methacrylate and the like can be used.
  • the ink composition of the present invention is 14 ⁇ 28wt% dispersion master solution; 0.1 to 1 wt% pH buffer solution; 1 to 2 wt% of a light cured polymer (including prepolymers and oligomers); 2 to 4 wt% photocuring monomer; 0.1 to 1 wt% surface tension modifier; 0.1 to 1 wt% photoinitiator; 0.1 to 1 wt% thermal initiator; 0.1 to 1 wt% free radical initiator; 0.1 to 1 wt% sensitizer; 0.1 to 1 wt% collecting agent; 0.1 to 1 wt% stabilizer; 0.1 to 1 wt% antifoam; And 1 to 5 wt% humectant.
  • benzoacetphenone, benzoperoxide, etc. may be used, and azobisbutylnitrile or azobismethylnitrile may be used as the thermal initiator, and 2,2-azobis (2-methylpropion), which is a free radical initiator, may be used.
  • Dihydrochloride (2,2-azobis (2-methylpropion) dihydrodicholoride) may be used.
  • polycinnamate may be used
  • TINUV 5060, 5061 of BASF (Ciba spe.) May be used as a stabilizer
  • hydroperoxide of Sigma-Aldrich may be preferably used as a collecting agent.
  • the ink composition master stock and the photoreaction chemical are blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blending process.
  • a commercially available variable conditional reaction and storage vessel which can be controlled by IKA's computer, can be used.
  • the prepared ink composition is subjected to a microfiltration process to remove impurities generated or mixed in the manufacturing process and to filter out particles having a predetermined size or more.
  • the filtration process is performed by ultrafiltration (less than 3 ⁇ m), fine filtration (less than 500 nm), selective ultra-precision filtration (less than 100 nm) using a Millpore product, and filtered by a reduced pressure (-1 ATM) vacuum pump.
  • a reduced pressure (-1 ATM) vacuum pump Through the filtration process, the ink composition has an overall uniform and stabilized particle size.
  • the ink composition of the present invention may accelerate the curing speed of the ink by the photocuring device when printing by configuring the photocuring device in the printing device.
  • color analysis and matching system is provided for color expression and reproduction, and is automated by parallel processing operation of x86-based or RISC-based processors (32 / 64bit microprocessors such as ARM, Intel, AMD, VIA, IBM, etc.). Ensure a system with excellent output.
  • a three-dimensional printing system 100 includes a motherboard system including first, second, third, fourth, and fifth motherboard modules 110a, 110b, 110c, 110d, and 110e of the system. And a color profiler 120, a photocuring device 130, a storage device 140, a commercial inkjet printer 150, and a display device 160. Each configuration is interconnected to allow data communication.
  • the first motherboard module 110a is the main computing system of the system, and FIG. 2 shows a block diagram of the first motherboard module.
  • the first motherboard module 110a is an X86 based 64-bit 8 thread processor that runs an independent operating system.
  • the first motherboard module 110a is capable of parallel processing and displays, prints, inputs, outputs, and stores the same.
  • the second and third motherboard modules 110b and 110c are auxiliary computing systems of the system, and a block diagram of the second and third motherboard modules is shown in FIG. 3.
  • the second and third motherboard modules 110b and 110c may run an independent operating system as an X86 based 64-bit 4 thread processor.
  • the second and third motherboard modules are capable of parallel processing and are responsible for display, input, output and high speed integer operation.
  • the fourth motherboard module 110d is a main processing system, and a block diagram of the fourth motherboard module is shown in FIG. 4.
  • the fourth motherboard module 110d is a RISC-based ARM processor capable of parallel processing and is responsible for input, output, and high-speed floating-point arithmetic processing.
  • the fifth motherboard module 110e is an auxiliary processing system, in which a block diagram of the fifth motherboard module is shown.
  • the fifth motherboard module 110e is a RISC-based Xscale processor capable of high-speed digital operation control and may be driven by a kernel or a shell.
  • the fifth motherboard module handles the input, output and high-speed image and integer and floating point operations of the photocuring control and color management (profiling) control system.
  • FIG. 3 shows a parallel processing flow of software by the three-dimensional printing system shown in FIG. 2.
  • step S001 the color matching profile information and the photocuring control data are transmitted to the step S002 through the fifth mainboard module to execute the computer parallel dispersion processing operation program, and then to each motherboard module in the step S003. It is distributed and processed.
  • step S004 and the target value of the operation coincides with the parallel operation using the multi-core by the multi-core of the first motherboard module, if the target value does not match through the step S010 of the second and third motherboard module If the processor is parallelized and processed by a multi-processor, and if the target value is larger than the target value in step S013, the feedback is returned to step S004, and the data is stored (S008) and displayed (S007) by the computer cluster language of steps S005 and S006 and S013 If the target value is lower than the target value, the controller moves to the fourth motherboard module (S018) and if the target value is the same in step S013, steps S015 and S016 are performed in sequence, and feedback is sent to step S003 in step S017 to calculate.
  • step S013 If the target value is low in step S013, the process moves to steps S018, S019, S020, S021, and S022, and then moves to step S010.
  • This structure is taken as a ring count method of a recursive feedback structure to form software capable of correcting the calculation by the high speed processing.
  • Flexible electronic components can be manufactured in a simple process using the ink compositions, hardware and software described above and using a three-dimensional photocurable inkjet printer.
  • a liquid crystal display is generally manufactured by a TFT-LCD process, specifically, a polarizing film (phase difference 90 degrees, 180 degrees) 12, 12 'is inserted between glass substrates 11, 11', respectively, and atmospheric pressure ion The surface is treated with a plasma apparatus. Next, the liquid crystal polymer 13 is injected between the substrates, and cell partitions are provided on the substrates to suppress birefringence or reflection of light. Next, after forming the R, G, B (14) in the cell partition wall, a light guide plate plated with silver is installed at the bottom, and a BLU (backlight unit) is installed below it. Reattach the glass substrate to the front to form the LCD.
  • a polarizing film phase difference 90 degrees, 180 degrees
  • the ink composition comprising the electroconductive polymer rheology particle ink composition and dye, and pigment fluorescent (phosphorescent) dye prepared above are simultaneously mounted on a printer, and the hardware and software are
  • the liquid crystal display (LCD) of the form shown in FIG. 4B can be manufactured.
  • 4B after printing the liquid crystal polymer 22 formed of the electromagnetic conductive polymer rheological particle ink composition of the present invention on the organic-inorganic hybrid polyethylene terephthalate film 21, the organic-inorganic hybrid polyethylene terephthalate film ( 21 '), a cell partition wall is formed using a three-dimensional printer, and R, G, and B 23 are continuously formed in the cell partition wall.
  • TFT-LCD Thin Film Transistor- Liquid Crystal Display
  • PDP Plasma Display
  • SED Set-off Field Emission Display
  • FED Field Emission (Emitting) Display
  • Organic Limiting Emission Display OLED
  • AMOLED Active Matrix Organic Limiting Emission Display
  • PLED Phosphorus Organic Limiting Emission Display
  • Polymer-OLED Polymer-Organic Limiting Emission Display
  • OFT-LCD Organic Thin Film Transistor- Liquid Crystal Display
  • E-paper Laser Paper, (ultra) High Speed Electrochromic Cell Display, Transmissive Display, etc.
  • the mixture was added dropwise to 1000 ml of azeotrope (isopropyl alcohol / ethyl alcohol volume mixing ratio 20:80), 1000 ml of 0.01 N HCl and 0.01 N NaOH neutralizing it were added dropwise and oxidized.
  • azeotrope isopropyl alcohol / ethyl alcohol volume mixing ratio 20:80
  • 1000 ml of 0.01 N HCl and 0.01 N NaOH neutralizing it were added dropwise and oxidized.
  • -1000 ml of 1N bisphosphocarbonate or disodium sulfonate as a reducing agent is added dropwise to form a crystal.
  • BPO benzoic peroxide
  • ITO indium tin oxide
  • Two or more selected from the group consisting of polythiophene, acene, analin, vinylcarbazole or L-glutamate may be used instead of spirazole or eosin from Tokyo Chemical Industry.
  • the electromagnetically conductive rheology polymer synthesized has water solubility or fat solubility depending on the presence or absence of a hydroxyl group at the end of the active group. It is manufactured with Degassing using 99.999999999% nitrogen gas from Airproducts during the manufacturing of conductive rheological polymer particles.
  • the pigment phosphorescent (fluorescent) pigments can be sprayed through the printer nozzle first must be monodisperse.
  • Deionized water Red, Green, Blue, Black
  • vegetable oil mixture Optical, White, Optical Electrode (20-60 wt% vegetable oil, ether) as a dispersing solvent to disperse dyes and pigment phosphors 20-40 wt%, lactam 10-20 wt%, lactone 20-40 wt%) is used.
  • a blue master dispersion stock solution was prepared using a blue dye and a pigment phosphor dye as dyes and pigment phosphor pigments.
  • a blue light curing ink composition was prepared by adding the prepared blue master dispersion stock solution and the following photo curing reaction chemicals.
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the resulting ink had a surface tension of 25 dyne / cm; Viscosity 13.9 cPs; And pH 9.3.
  • the prepared ink was injected into a cartridge and subjected to a 30 m output test on output devices such as the Stylus Pro 7900 manufactured by Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 manufactured by Canon. In the test procedure, a polyethylene terephthalate film was used for printing. No ejection of the nozzle occurred and the durability and sharpness of the printed phosphor ink were good in the test.
  • a blue master dispersion stock solution was prepared using red dye and pigment phosphor pigment as dyes and pigment phosphor pigments.
  • a blue photocurable ink composition was prepared by adding the prepared blue master dispersion stock solution and the following photocuring reaction chemicals.
  • red master dispersion stock solution 757 g of ultra pure water; 20 g of hydroxy polyethylmethylmethacrylate (photocured polymer); 40 g of hydroxy propylmethyl methacrylate (photocuring monomer); 10 g of 1,6-hexylenediacrylate (moisturizer); 1 g of Potassisium hydroxide (pH buffer solution); 1 g of Dioctyl sulfosucinate, disodium salt (defoamer); 1 g Dynol 604 (surface tension modifier); 1 g of Benzo-aceto-phenone or Benzo peroxide (photoinitiator); 1 g of 2,2-Azobis (2-methylpropion) dihydrodicholoride (free radical initiator); 5 g of Poly cinnamate (sensitizer); 1 g of Hydro peroxide; 1 g TINUVIN 5060 (stabilizer).
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the inks obtained as a result of the prepared ink composition had a surface tension of 26 dyne / cm; Viscosity 13.6 cPs; And pH 9.1. Filtering was conducted in the same manner as in Example 1 using a test such as a Stylus Pro 7900 manufactured by Epson, a Hewlett Packard Designer jet z3200, and a Canon IPF 8000 manufactured by Canon.
  • printing was performed using a polyethylene terephthalate film. No printout of the nozzle resulted in the printout, and the durability and sharpness of the printed phosphor ink were good in the test.
  • a green master dispersion stock solution was prepared using green dye and pigment phosphor dye as dyes and pigment phosphor pigments.
  • the green photocurable ink composition was prepared by adding the prepared green master dispersion stock solution and the following photocuring reaction chemicals.
  • a green master dispersion stock solution 767 g of ultra pure water; 20 g of hydroxy polyethylmethylmethacrylate; 40 g of hydroxyethylmethylmethacrylate; 10 g of 1,6-hexylenediacrylate (moisturizer); 1 g of Potassisium hydroxide (pH buffer solution); 1 g of Dioctyl sulfosucinate, disodium salt (defoamer); 1 g Dynol 604 (surface tension modifier); 1 g of Benzo-aceto-phenone or Benzo peroxide (photoinitiator); 1 g of 2,2-Azobis (2-methylpropion) dihydrodicholoride (free radical initiator); 5 g of Poly cinnamate (sensitizer); 1 g of Hydro peroxide; 1 g TINUVIN 5060 (stabilizer).
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the final ink produced had a surface tension of 27 dyne / cm; Viscosity 13.4 cPs; And pH 8.8.
  • a 30 m power test was performed on output equipment such as the Stylus Pro 7900 from Epson, the Hewlett Packard Designer jet z3200, and the Canon IPF 8000 from Canon. The printing was done using a polyethylene terephthalate film in the course of the test.
  • the assay master dispersion stock solution was prepared using black dye, pigment phosphor pigment or polypyrrole, graphene, fullerene, graphite, or tannonanotube in place of the dye and pigment phosphor pigment.
  • a blue light curing ink composition was prepared by adding the prepared assay master dispersion stock solution and the following photo curing reaction chemicals.
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the resulting ink had a surface tension of 26 dyne / cm; Viscosity 14.2 cPs; And pH 10.0.
  • a 30 m power test was performed on output equipment such as the Stylus Pro 7900 from Epson, the Hewlett Packard Designer jet z3200, and the Canon IPF 8000 from Canon.
  • the printing was done using a polyethylene terephthalate film in the course of the test. No ejection of the nozzle occurred and the durability and sharpness of the printed ink were good in the test.
  • a transparent master dispersion stock solution was prepared using zinc oxide instead of a dye and a pigment phosphor pigment.
  • a transparent photocurable ink composition was prepared by adding the prepared transparent master dispersion stock solution and the following photocuring reaction chemicals.
  • a transparent master dispersion stock solution 767 g of vegetable oil mixture (40 wt% of vegetable oil, 30 wt% of diethylene monobutyl ether, 10 wt% of 2-pyrrolidone, and 20 wt% of gamma butyrolactone); 20 g of polypropylmethylmethacrylate; 40 g of ethylpropyl methacrylate; 10 g of 1,6-hexylenediacrylate (moisturizer); 1 g of Potassisium hydroxide (pH buffer solution); 1 g of Dioctyl sulfosucinate, disodium salt (defoamer); 1 g Dynol 604 (surface tension modifier); 1 g of Benzo-aceto-phenone or Benzo peroxide (photoinitiator); 1 g of 2,2-Azobis (2-methylpropion) dihydrodicholoride (free radical initiator); 5 g of Poly c
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the final ink produced had a surface tension of 27 dyne / cm; Viscosity 9.9 cp; And pH 9.5.
  • Output tests were conducted using equipment such as Stylus Pro 7900 from Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 from Canon.
  • Example 1 was printed using a polyethylene terephthalate film. No ejection of the nozzle occurred and the durability and sharpness of the printed ink were good in the test.
  • a white master dispersion stock solution was prepared using titanium dioxide (Titanium Dioxide) instead of the dye and the pigment phosphor pigment.
  • a white photocurable ink composition was prepared by adding the prepared white master dispersion stock solution and the following photocuring reaction chemicals.
  • a white dispersion master stock solution 677 g of vegetable oil mixture (40 wt% vegetable oil, 30 wt% diethylene monobutyl ether, 10 wt% 2-pyrrolidone, 20 wt% gamma butyrolactone); 20 g of polypropylmethylmethacrylate; 40 g of ethylpropyl methacrylate; 10 g of 1,6-hexylenediacrylate (moisturizer); 1 g of Potassisium hydroxide (pH buffer solution); 1 g of Dioctyl sulfosucinate, disodium salt (defoamer); 1 g Dynol 604 (surface tension modifier); 1 g of Benzo-aceto-phenone or Benzo peroxide (photoinitiator); 1 g of 2,2-Azobis (2-methylpropion) dihydrodicholoride (free radical initiator); 5 g of Poly cinnamate (40 wt%
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the final ink produced had a surface tension of 27 dyne / cm; Viscosity 14.9 cp; And pH 9.7.
  • Output tests were conducted using equipment such as Stylus Pro 7900 from Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 from Canon.
  • a polyethylene terephthalate film was used for printing. No ejection of the nozzle occurred and the durability and sharpness of the printed ink were good in the test.
  • a conductive polymer photocurable ink composition was prepared by adding the conductive rheological polymer master dispersion solution prepared in Preparation Example 3 and the following photocuring reaction chemicals.
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the inks obtained as a result of the prepared ink composition had a surface tension of 27 dyne / cm; Viscosity 13.9 cp; And pH 10.1.
  • Output tests were conducted using equipment such as Stylus Pro 7900 from Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 from Canon.
  • printing was performed using a polyethylene terephthalate film. No ejection of the nozzle occurred and the durability and sharpness of the printed ink were good in the test.
  • a white master dispersion stock solution was prepared using ITO (Indium Tin Oxide) having a particle size of 6 nm instead of a dye and a pigment phosphor pigment.
  • a transparent electrode photocurable ink composition was prepared by adding the prepared transparent electrode master dispersion stock solution and the following photo curing reaction chemicals.
  • a transparent electrode master dispersion stock solution 637 g of vegetable oil mixture (40 wt% vegetable oil, 30 wt% triethylene monobutyl ether, 10 wt% N-methylpyrrolidone, 20 wt% valerolactone); 20 g of polypropylmethylmethacrylate; 40 g of ethylpropyl methacrylate; 10 g of 1,6-hexylenediacrylate (moisturizer); 1 g of Potassisium hydroxide (pH buffer solution); 1 g of Dioctyl sulfosucinate, disodium salt (defoamer); 1 g Dynol 604 (surface tension modifier); 1 g of Benzo-aceto-phenone or Benzo peroxide (photoinitiator); 1 g of 2,2-Azobis (2-methylpropion) dihydrodicholoride (free radical initiator); 5 g of Poly cinnamate (s) of polypropy
  • the ink composition is blended in a mechanical stirrer and prepared with Degassing using 99.999999999% nitrogen and helium gas from Airproducts during the blend.
  • the prepared ink composition was filtered using a member filter.
  • the inks obtained as a result of the prepared ink composition had a surface tension of 28 dyne / cm; Viscosity 15.9 cp; And pH 9.9.
  • Output tests were conducted using equipment such as Stylus Pro 7900 from Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 from Canon.
  • printing was performed using a polyethylene terephthalate film. No ejection of the nozzle occurred and the durability and sharpness of the printed ink were good in the test.
  • Example 6 The ink composition of Example 6 was printed and photocured on Sigma-Aldrich's conductive PET film (product number: 700177) using equipment such as Stylus Pro 7900, Hewlett Packard Designer jet z3200, Canon's Canon IPF 8000, etc., of Epson. Next, the electromagnetic conductive rheological polymer ink of Example 7 was printed and photocured. After placing the conductive PET film (Product No .: 700177) of Sigma-Aldrich on it, the blue and red green inks of Examples 1 to 3 and the ink of Example 4 to make cell partition walls were simultaneously printed and photocured. Next, a flexible display was completed by connecting metal conductive wires using a Roll to Roll (R2R: Screen Printing) method.
  • R2R Screen Printing
  • Example 6 The ink composition of Example 6 is printed and photocured on a Sigma-Aldrich Co., Ltd. conductive PET film (product number: 700177) using equipment such as Stylus Pro 7900, Hewlett Packard Designer jet z3200, Canon Canon IPF 8000, etc. of Epson. Next, the electromagnetic conductive rheological polymer ink of Example 7 is printed and photocured. After placing the conductive PET film (Product No .: 700177) of Sigma-Aldrich on it, the blue and red green inks of Examples 1 to 3 and the ink of Example 4 to make cell partition walls are simultaneously printed and photocured. Next, Example 8 was printed and photocured to complete the flexible display.
  • conductive PET film product number: 700177
  • the blue and red green inks of Examples 1 to 3 and the ink of Example 4 to make cell partition walls are simultaneously printed and photocured.
  • Example 8 was printed and photocured to complete the flexible display.
  • Example 6 The ink composition of Example 6 is printed and photocured on a Sigma-Aldrich Co., Ltd. conductive PET film (product number: 700177) using equipment such as Stylus Pro 7900, Hewlett Packard Designer jet z3200, Canon Canon IPF 8000, etc. of Epson. Next, the electromagnetic conductive rheological polymer ink of Example 7 is printed and photocured. After placing the conductive PET film (Product No .: 700177) of Sigma-Aldrich on it, the blue and red green inks of Examples 1 to 3 and the ink of Example 4 to make cell partition walls are simultaneously printed and photocured. Next, Example 8 was printed and photocured, and Example 5 was printed and photocured to complete a flexible display.
  • conductive PET film product number: 700177
  • the blue and red green inks of Examples 1 to 3 and the ink of Example 4 to make cell partition walls are simultaneously printed and photocured.
  • Example 8 was printed and photocured
  • Example 5 was printed and photocured to complete a flexible display.
  • the conventional display has a thickness of 5 mm, but the display manufactured in Example 11 has a thickness of 100 ⁇ m.
  • the power of the conventional display is 50 ⁇ 60Hz, DC 19v of AC 220v and 60w when the screen size is 22.1 inches, but the display manufactured in Example 11 consumes 6w at 5v DC at the same screen size. Only the same image can be expressed closer to natural colors.
  • FIG. 5 shows the color range of the display (red), NTSC (purple), Adobe RGB (yellow), and commercially available TFT LCD (green) manufactured in Example 11.
  • the prepared petroleum dilution UV curable inks were tested on output devices such as Stylus Pro 7900 from Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 from Canon.
  • output devices such as Stylus Pro 7900 from Epson, Hewlett Packard Designer jet z3200, and Canon IPF 8000 from Canon.
  • the nozzle was ejected on the polyethylene terephthalate film, and ink bleeding occurred.
  • a small amount of methane and carbon dioxide gas was generated during the curing process to increase the air pollution of the indoor space. Later, in the washing step, the durability and sharpness of Examples 9, 10 and 11 were much lower.

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Abstract

La présente invention concerne une composition d'encre pour matériaux électriques ou électroniques, présentant une anisotropie suffisante pour permettre une impression jet d'encre au moyen d'un système d'impression jet d'encre utilisant un séchage par rayonnement. L'invention concerne, plus précisément, une composition d'encre à base d'un polymère électrorhéologique, une composition d'encre à base d'un phosphore naturel organique émettant de la lumière et un procédé de préparation de matériaux électriques ou de pièces électroniques au moyen de celle-ci. La présente invention concerne un procédé de préparation d'une composition d'encre séchable par rayonnement pour un quelconque matériau électrique ou électronique, comprenant les étapes consistant à choisir un phosphore de type colorant-pigment ; à préparer des particules polymères électroconductrices ; à préparer une solution mère pour dispersion séchable par rayonnement et contenant le polymère électroconducteur ou le phosphore de type colorant-pigment ; à disperser par broyage la solution mère pour dispersion séchable par rayonnement ; et à mélanger la solution mère pour dispersion séchable par rayonnement ainsi dispersée, avec des matériaux chimiques photoréactifs, avant de procéder à une microfiltration.
PCT/KR2010/007374 2010-10-26 2010-10-26 Procédé de préparation d'une composition d'encre pour impression jet d'encre séchable par rayonnement pour matériaux électriques ou électroniques pouvant utiliser un système d'impression jet d'encre tridimensionnel WO2012057372A1 (fr)

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WO2016032075A1 (fr) * 2014-08-29 2016-03-03 이상호 Dispositif de commande d'une imprimante 3d
CN105427956A (zh) * 2015-12-28 2016-03-23 上海科润光电技术有限公司 一种带有荧光的纳米银线透明导电液制备方法
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CN113354981A (zh) * 2021-06-29 2021-09-07 安徽正洁高新材料股份有限公司 一种热转印墨水及其制备方法
CN113354981B (zh) * 2021-06-29 2022-11-15 铜陵晖闪数码科技有限公司 一种热转印墨水及其制备方法

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