WO2011034313A2 - Inkjet composition for forming a transparent film, and transparent film formed from same - Google Patents
Inkjet composition for forming a transparent film, and transparent film formed from same Download PDFInfo
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- WO2011034313A2 WO2011034313A2 PCT/KR2010/006188 KR2010006188W WO2011034313A2 WO 2011034313 A2 WO2011034313 A2 WO 2011034313A2 KR 2010006188 W KR2010006188 W KR 2010006188W WO 2011034313 A2 WO2011034313 A2 WO 2011034313A2
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- transparent film
- inkjet composition
- forming
- inkjet
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
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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
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
Definitions
- the present invention relates to an inkjet composition for forming a transparent film having excellent permeability and excellent thermal stability that can be used in an inkjet process.
- the inkjet process is widely utilized in manufacturing color filters and various wirings, such as a liquid crystal display, an organic electroluminescent display, and a plasma display.
- the inkjet process is a method of forming a desired thin film by printing a liquid raw material according to a predesigned pattern using inkjet equipment and then drying. Therefore, it is known to be a very innovative process in terms of economics or eco-friendliness because it uses a small amount of material compared to the existing process.
- transparent coating compositions have been widely used as overcoat materials in liquid crystal display processes. The overcoat covers the underlayer to smooth out uneven heights of the underlayer and to protect the underlayer from heat or chemicals.
- an overcoat transparent coating liquid is applied to the entire region of the lower layer by using a spin coater or a slit coater.
- the composition of the transparent coating liquid is very important because better jetting stability is required as compared with the case of forming the pattern.
- a transparent coating liquid has been added to a conventional white (R), green (G) and blue (B) tricolor color filter system to add a white (W) layer to improve the luminance of the device.
- R white
- G green
- B blue
- W white
- the field of use of the transparent coating liquid has been widened, for example, as the ink (W).
- the present invention provides an inkjet composition for forming a transparent film having excellent permeability and excellent thermal stability, in particular, it can be used as an overcoat material of an electronic device due to its excellent jetting property, and can be used as a white (W) pattern of a color filter. It is to provide an inkjet composition.
- the present invention provides an inkjet composition for forming a transparent film comprising a) a binder polymer, b) a polymerizable monomer, c) a polymerization initiator, and d) a solvent having a boiling point of 150 ° C or higher. Further, a transparent film formed by using the inkjet composition for forming a transparent film of the present invention is provided.
- the present invention provides a method for producing a transparent film comprising the step of forming a transparent film with the inkjet composition for forming a transparent film using an inkjet method.
- the present invention also provides an electronic device comprising the transparent film as an overcoat.
- the present invention also provides a color filter including the transparent film as a white pattern.
- the inkjet composition for forming a transparent film according to the present invention can increase the efficiency of the process by using a small amount of ink by using an inkjet process and can directly manufacture a transparent thin film at a desired place, and has excellent jetting property to form a transparent thin film. It is advantageous in that it can have excellent permeability and heat resistance.
- the present invention provides an inkjet composition
- an inkjet composition comprising a) a binder polymer, b) a polymerizable monomer, c) a polymerization initiator, and d) a solvent having a boiling point of 150 ° C. or higher, wherein the inkjet composition has a three-dimensional network structure.
- the ink film is very hardened to improve properties such as chemical resistance and wear resistance of the ink film.
- the kind of the a) binder polymer is not particularly limited, and any kind of binder polymer may be used without particular limitation as long as it is known in the art.
- an acrylate monomer, an acrylate oligomer, or a mixture thereof can be polymerized and used.
- the acrylate monomer or acrylate oligomer preferably comprises at least one acrylate functional group capable of participating in the curing reaction, the acrylate functional group is preferably located in the side chain of the binder polymer to participate in the curing reaction.
- the binder polymer reacts with the monomer being polymerized and crosslinks to form a three-dimensional network.
- the kind of the acrylate monomer and the acrylate oligomer is not particularly limited, and may be used without particular limitation to those commonly used in the art.
- acrylate monomer dipentaerythritol hexaacrylate, dipentaerythritol hydroxy pentaacrylate, pentaerythritol tetraacrylate, pentaerythritol triacrylate, trimethylene propyl triacrylate, propoxylated glycerol triacrylate , Trimethyllopropane ethoxy triacrylate, 1,6-hexanediol diacrylate, propoxylated glycerol triacrylate, tripropylene glycol diacrylate, ethylene glycol diacrylate or mixtures thereof, and the like are preferable. Although it may be used, it is not necessarily limited to these examples.
- acrylate oligomer urethane acrylate oligomer, epoxy acrylate oligomer, polyester acrylate, polyether acrylate, or a mixture thereof may be preferably used, but is not necessarily limited to these examples.
- the a) binder polymer is preferably included 1 to 40% by weight based on the total weight of the inkjet composition for forming a transparent film.
- the content of the binder polymer is less than 1% by weight, the strength of the prepared transparent film may be reduced, and when the content of the binder polymer is greater than 40% by weight, the viscosity of the inkjet composition for forming a transparent film may be increased, thereby significantly reducing the jetting characteristics. .
- the weight average molecular weight of the binder polymer is preferably 1,000 to 100,000.
- the weight average molecular weight of the binder polymer is less than 1,000, the heat resistance and the film strength of the prepared transparent film may be lowered. If the weight average molecular weight of the binder polymer is greater than 100,000, the solubility of the binder in the solvent is not high and the viscosity of the entire ink including the binder may be reduced. The lowering of the jetting property may result in a decrease in surface uniformity of the transparent film produced.
- the polymerizable monomer is a polyfunctional monomer having an ethylenically unsaturated double bond, and preferably has two or more functional groups in a molecule.
- the polymerizable monomer is responsible for forming a three-dimensional network structure by the polymerization reaction by the radical active species formed from the polymerization initiator. Specifically, monomers including two or more ethylenically unsaturated double bonds react with the binder polymer including an acrylate functional group in the side chain while polymerizing, thereby crosslinking, and form a three-dimensional network as a result of the crosslinking.
- Non-limiting examples of the polymerizable monomer include ethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate having 2 to 14 ethylene groups, trimethylolpropane di (meth) acrylate, trimethylolpropane tri (Meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, 2-trisacryloyloxymethylethylphthalic acid, and propylene glycol di (meth) acrylic having 2 to 14 propylene groups
- Compounds obtained by esterifying polyhydric alcohols such as latex, dipentaerythritol penta (meth) acrylate and dipentaerythritol hexa (meth) acrylate with ⁇ , ⁇ -unsaturated carboxylic acids;
- the polymerizable monomer b) is preferably 1 to 40% by weight based on the total weight of the inkjet composition for forming a transparent film.
- the content of the polymerizable monomer is less than 1% by weight, the heat resistance and strength of the transparent film may decrease due to insufficient crosslinking, and when the content of the polymerizable monomer exceeds 40% by weight, the unreacted monomer is denatured during curing or further heat treatment. The transparency of the transparent membrane may be lowered.
- the said a) binder polymer and b) a polymerizable monomer occupy most solid content. Therefore, the content of the binder polymer and the polymerizable monomer can be freely increased as compared with the conventional color ink composition, and it is easy to control the content ratio of the two materials.
- the pigment or the colorant is a material having a relatively high viscosity
- the color ink composition including the same may not increase the solid content to a certain level or more due to the viscosity limitation for stable jetting. Ink production with a relatively high solid content is possible.
- the solid content of the a) binder polymer and the polymerizable monomer is preferably included in an amount of 95 to 99% by weight based on the total solid content of the inkjet composition for forming a transparent film. If the content is less than 95%, the permeability may be lowered, or fumes may be generated during the curing or post-processing, resulting in contamination. When the content is more than 99% by weight, the ink film coating property and adhesion to the substrate may be deteriorated. Can be.
- the weight ratio of the a) binder polymer and the b) polymerizable monomer is free to adjust because the viscosity for jetting stability is less than that of the conventional color ink composition, but it is cured when the content of the polymerizable monomer is too large.
- the transparent film is thermally denatured, resulting in yellowing.
- the content of the polymerizable monomer is too small, ink curing may not occur well and the solid content of the entire inkjet composition may be reduced to form an ink film having a specific thickness. Since the number of ink drops to be ejected increases, the efficiency of the inkjet process is lowered.
- the weight ratio of a) the binder polymer and b) the polymerizable monomer is preferably 1: 2 or less, and more preferably 1: 0.5 to 1: 2.
- the c) polymerization initiator may be used one or more selected from a thermal polymerization initiator and a photopolymerization initiator.
- Non-limiting examples of the thermal polymerization initiator include 2,2'-azobisisobutyronitrile (AIBN), 2,2'-azobis- (2,4-dimethylvaleronitrile), 2,2'- Azobis- (4-methoxy-2,4-dimethylvaleronitrile), 2-cyano-2-propylazoformamide, 1,1'-azobis (cyclohexane-1-caronitrile), 2, 2'-azobis (2-methylbutyronitrile), V-40, VA-086, VA-085, VF096, VAm-110, Vam-111 (above Wako pure chemicals ind.), Benzoyl peroxide, lauro Yl peroxide, t-butylperoxy pivalate and 1,1'-bis- (bis-t-, butylperoxy) cyclohexane and the like.
- AIBN 2,2'-azobisisobutyronitrile
- Non-limiting examples of the photopolymerization initiator include 2,4-trichloromethyl- (4'-methoxyphenyl) -6-triazine, 2,4-trichloromethyl- (4'-methoxystyryl) -6 -Triazine, 2,4-trichloromethyl- (piflonil) -6-triazine, 2,4-trichloromethyl- (3 ', 4'-dimethoxyphenyl) -6-triazine, 3- Triazine compounds such as ⁇ 4- [2,4-bis (trichloromethyl) -s-triazin-6-yl] phenylthio ⁇ propanoic acid; 2,2'-bis (2-chlorophenyl) -4,4 ', 5,5'-tetraphenyl biimidazole, 2,2'-bis (2,3-dichlorophenyl) -4,4', 5 Biimidazole compounds such as 5′-tetraphenylb
- the c) polymerization initiator is preferably included in 0.1 to 5% by weight of the total weight of the inkjet composition for forming a transparent film.
- the content of the polymerization initiator is less than 0.1% by weight, the film participation strength and heat resistance of the transparent film, which is poor in the degree of participation in curing of the polymerizable monomer, may be lowered.
- the content of the polymerization initiator exceeds 5% by weight, radicals that do not participate in curing are transparent. Contamination and viscosity of the inkjet composition for film formation may be increased, thereby lowering the jetting property.
- the solvent d) having a boiling point of 150 ° C. or higher is a high boiling point solvent having low volatility, and more preferably 150 to 250 ° C.
- Specific examples of the solvent having a boiling point of 150 ° C. or higher include ethylene glycol monobutyl ether acetate, diethylene glycol monobutyl ether acetate, and diethylene glycol monoethyl ether acetate. (diethylene glycol monoethyl ether acetate), dipropylene glycol methyl ether acetate, ethoxy ethyl acetate and butoxy ethyl acetate may be used one or more selected from the group consisting of, but is not limited thereto.
- the solvent d) having a boiling point of 150 ° C. or higher is preferably included in an amount of 40 to 90 wt% based on the total weight of the inkjet composition for forming a transparent film.
- the inkjet composition for forming a transparent film according to the present invention may further include at least one additive selected from a surfactant, an adhesion promoter, a curing accelerator, a thermal polymerization inhibitor, a dispersant, a plasticizer, a filler, an antifoaming agent, a dispersing aid, an anti-agglomerating agent, and the like. have.
- the additive is preferably added in an amount of 0.01 to 0.5% by weight based on the total weight of the inkjet composition for forming a transparent film.
- the content of the additive is out of the above range, the antifoaming property of the inkjet composition may be increased or the viscosity of the ink may be affected, thereby adversely affecting the inkjet process characteristics.
- the viscosity of the inkjet composition for forming a transparent film according to the present invention is 8 to 16 cP, more preferably 11 to 13 cP.
- jetting stability may be lowered.
- the inkjet composition for forming a transparent film according to the present invention does not include a pigment having a relatively high viscosity, it is possible to easily adjust the viscosity required for use in the inkjet method, and thus is not limited to the purpose of viscosity adjustment.
- binders polymerizable monomers or other additives can be used, and their content can be more easily adjusted.
- a transparent film formed by using the inkjet composition for forming a transparent film of the present invention is provided.
- the light transmittance at 380-780 nm of the said transparent film is 98% or more after hardening.
- the present invention provides a method for producing a transparent film comprising the step of forming a transparent film with the inkjet composition for forming a transparent film using an inkjet method.
- the inkjet method is a method of discharging the inkjet composition for forming a transparent film in a non-contact manner using an ink nozzle.
- the present invention also provides an electronic device comprising the transparent film as an overcoat.
- the present invention also provides a color filter including the transparent film as a white pattern.
- the color filter may be manufactured by forming a black matrix pattern on a substrate using a method known in the art and then curing the black filter to form a light blocking portion and a pixel portion partitioned by the black matrix on the substrate;
- the pixel portion partitioned by the black matrix is filled with the inkjet composition for forming a transparent film of the present invention using an inkjet method: and the step of curing the filled inkjet composition for forming a transparent film.
- substrate Although it does not specifically limit as a material as a said board
- the inkjet method is a method of discharging droplet-shaped ink in a non-contact manner to a pixel portion partitioned by the black matrix using an ink nozzle.
- the filled inkjet composition for forming a transparent film is preferably pre-bake at 50 to 120 ° C. and then post-bake at 220 to 280 ° C. when a thermal initiator is used. If the temperature of the thermosetting is less than 220 °C the evaporation and thermal curing of the solvent is insufficient to reduce the strength and chemical resistance of the film, if the temperature exceeds 280 °C due to excessive volumetric shrinkage of the pixel portion problems with adhesion and precision to the substrate May occur, and the formed film may be damaged by heat.
- the curing of the filled inkjet composition for forming a transparent film is preferably performed at an exposure amount of 40 to 300 mJ / cm 2 when using a photoinitiator.
- the exposure amount is less than 40 mJ / cm 2
- the photocuring may be insufficient to reduce the strength and chemical resistance of the film.
- the exposure amount is higher than 300 mJ / cm 2
- the time required for the exposure process may be longer, and thus tack time may be a problem.
- the inkjet composition for forming a transparent film includes 9 g of a copolymer of benzyl acrylate and methacrylate as a binder polymer, and a methacrylic acid in a molar ratio of 60:10:30, and dipentaerythritol hexaacrylate (DPHA) as a polymerizable monomer.
- An inkjet composition for forming a transparent film was prepared by mixing 73 g of diethylene glycol monobutyl ether acetate with 18 g of V40 and 0.5 g of a solvent as a thermal initiator for 3 hours.
- the inkjet composition for forming a transparent film is a binder polymer of 10 g of a copolymer of benzyl acrylate and methacrylate and methacrylic acid in a molar ratio of 60:10:30, and dipentaerythritol hexaacrylate (DPHA) as a polymerizable monomer.
- DPHA dipentaerythritol hexaacrylate
- 16 g, 0.5 g of V40 as a thermal initiator and 75 g of diethylene glycol monobutyl ether acetate as a solvent were mixed for 3 hours to prepare an inkjet composition for forming a transparent film.
- the inkjet composition for forming a transparent film includes 11 g of a copolymer of benzyl acrylate, methacrylate, and methacrylic acid in a molar ratio of 60:10:30 as a binder polymer, and dipentaerythritol hexaacrylate (DPHA) as a polymerizable monomer. 14 g, 0.5 g of V40 as a thermal initiator and 74 g of diethylene glycol monobutyl ether acetate as a solvent were mixed for 3 hours to prepare an inkjet composition for forming a transparent film.
- DPHA dipentaerythritol hexaacrylate
- the inkjet composition for forming a transparent film is a binder polymer of 14.7 g of a copolymer of benzyl acrylate and methacrylate and methacrylic acid in a molar ratio of 60:10:30, and dipentaerythritol hexaacrylate (DPHA) as a polymerizable monomer.
- DPHA dipentaerythritol hexaacrylate
- An inkjet composition for forming a transparent film was prepared in the same manner as in Example 3, except that the solvent was replaced with propylene glycol monomethyl ether acetate (boiling point: 146 ° C.).
- the inkjet composition for forming a transparent film is 18 g of a copolymer in which benzyl acrylate and methacrylate and methacrylic acid are formed in a molar ratio of 60:10:30 as a binder polymer, and dipentaerythritol hexaacrylate (DPHA) as a polymerizable monomer.
- DPHA dipentaerythritol hexaacrylate
- the inkjet composition for forming a transparent film is 7.5 g of a copolymer in which benzyl acrylate and methacrylate and methacrylic acid are formed in a molar ratio of 60:10:30 as a binder polymer, and dipentaerythritol hexaacrylate (DPHA) as a polymerizable monomer.
- DPHA dipentaerythritol hexaacrylate
- the following method was used to test the permeability, heat resistance and inkjet processability of the inkjet composition for forming a transparent film prepared according to the present invention.
- Each of the inkjet compositions for forming a transparent film prepared by Examples 1 to 4 and Comparative Examples 1 to 2 was spin coated on a glass substrate, and then pre-bakeed at about 90 ° C. for 3 minutes. This was again post-bake in an IR oven (260-270 ° C.) for about 2 minutes to form a film having a thickness of 2 ⁇ m.
- the transmittance at the wavelength of 380-780 nm was evaluated using the UV absorber. It is excellent when the transmittance of the cured transparent film coating film is 98% or more in the entire visible light region.
- the prepared film was further heat treated at 250 ° C. for 40 minutes to evaluate transmittance at 380 to 780 nm using a UV absorber.
- transmittance of the transparent film coating film after the additional heat treatment is 94% or more can be said to be excellent heat resistance.
- the film prepared by the inkjet composition for forming a transparent film according to Examples 1 to 4 according to the present invention exhibits excellent permeability with a transmittance of 98% or more after curing. have.
- the heat resistance measurement results showed excellent results when the weight ratio of the polymerizable monomer and the polymer binder was 1: 2.0 or less, and when it exceeds 1: 2.0, the yellowing phenomenon that the transmittance in the short wavelength region (about 400 nm) decreased was It was confirmed to appear.
- the inkjet composition for forming a transparent film according to Examples 1 to 4 according to the present invention has a low volatilization degree and a suitable viscosity even in the inkjet process evaluation, so that the satellite and the nozzle surface are wet / drying. It was found that no problem occurred, and all nozzles were discharged normally to show excellent jetting properties.
- the inkjet composition for forming a transparent film according to Comparative Example 1 uses a solvent having a low boiling point and has high volatility and low viscosity, satellites are generated and a nozzle surface is dried. It can be seen that the inkjet characteristics are not normal. In other words, when the viscosity of the ink is lowered (less than 8 cP), satellites are generated and ink ejection becomes unstable.
- the inkjet composition for forming a transparent film according to Comparative Example 2 since the weight ratio of the binder polymer and the polymerizable monomer is less than 1: 0.5, the content of the binder polymer having a high viscosity is increased in the ink so that the ink viscosity exceeds 16 cP. . As a result, the jetting property is lowered and the surface uniformity of the transparent film is lowered, and the voltage value required for the normal ejection of the ink is increased, thereby impairing the inkjet equipment. Therefore, it can be seen that the inkjet characteristics are unstable.
- the weight ratio of the binder polymer and the polymerizable monomer is less than 1: 0.5 as in Comparative Example 2, when the viscosity of the ink is lowered to an appropriate level (8 cP to 16 cP) in order to improve unstable inkjet properties, the efficiency of the inkjet process is lowered.
- the solid content of the inkjet composition should be reduced to 20% or less.
- the number of ink droplets to be ejected to form an ink film having a specific thickness increases, which causes a problem of lowering the efficiency of the inkjet process.
Abstract
Description
실시예1 | 실시예2 | 실시예3 | 실시예4 | 비교예1 | 비교예2 | 비교예 3 | |
a):b) 비율 | 1 : 2 | 1 : 1.6 | 1 : 1.3 | 1 : 0.7 | 1 : 1.3 | 1 : 0.4 | 1:2.4 |
고형분(%) | 27 | 26 | 25 | 25 | 25 | 25 | 26.5 |
점도(cP) | 12.2 | 12.5 | 12.9 | 15.8 | 5.3 | 19.6 | 12.4 |
투과도 | >98% | >99% | >99% | >99% | > 99% | > 99% | >97% |
투과도 평가 | 우수 | 우수 | 우수 | 우수 | 우수 | 우수 | 양호 |
열처리 후 투과도 | >94% | >95% | >96% | >98% | > 96% | > 98% | >92% |
내열성 평가 | 양호 | 우수 | 우수 | 우수 | 우수 | 우수 | 취약 |
잉크젯 공정성 평가 | 정상 | 정상 | 정상 | 정상 | 비정상 | 불안 | 정상 |
Example 1 | Example 2 | Example 3 | Example 4 | Comparative Example 1 | Comparative Example 2 | Comparative Example 3 | |
a): b) ratio | 1: 2 | 1: 1.6 | 1: 1.3 | 1: 0.7 | 1: 1.3 | 1: 0.4 | 1: 2.4 |
Solid content (%) | 27 | 26 | 25 | 25 | 25 | 25 | 26.5 |
Viscosity (cP) | 12.2 | 12.5 | 12.9 | 15.8 | 5.3 | 19.6 | 12.4 |
Transmittance | > 98% | > 99% | > 99% | > 99% | > 99% | > 99% | > 97% |
Permeability Evaluation | Great | Great | Great | Great | Great | Great | Good |
Permeability after heat treatment | > 94% | > 95% | > 96% | > 98% | > 96% | > 98% | > 92% |
Heat resistance rating | Good | Great | Great | Great | Great | Great | weak |
Inkjet Fairness Assessment | normal | normal | normal | normal | abnormal | unrest | normal |
Claims (15)
- a) 바인더 폴리머, b) 중합성 단량체, c) 중합 개시제 및 d) 150℃ 이상의 비점을 가지는 용매를 포함하는 것을 특징으로 하는 투명막 형성용 잉크젯 조성물.An inkjet composition for forming a transparent film, comprising a) a binder polymer, b) a polymerizable monomer, c) a polymerization initiator, and d) a solvent having a boiling point of 150 ° C. or higher.
- 청구항 1에 있어서, 3차원 그물구조를 갖는 투명막 형성용 잉크젯 조성물.The inkjet composition of claim 1, wherein the inkjet composition has a three-dimensional network structure.
- 청구항 1에 있어서, 상기 투명막 형성용 잉크젯 조성물 총 중량에 대해 a) 바인더 폴리머 1 내지 40 중량%, b) 중합성 단량체 1 내지 40 중량%, c) 중합 개시제 0.1 내지 5 중량% 및 d) 150℃ 이상의 비점을 가지는 용매 40 내지 90 중량%를 포함하는 투명막 형성용 잉크젯 조성물.The method according to claim 1, a) 1 to 40% by weight of the binder polymer, b) 1 to 40% by weight of the polymerizable monomer, c) 0.1 to 5% by weight of the polymerization initiator and d) 150 to the total weight of the inkjet composition for forming the transparent film An inkjet composition for forming a transparent film comprising 40 to 90% by weight of a solvent having a boiling point of about 0 ° C. or more.
- 청구항 1에 있어서, 상기 a) 바인더 폴리머의 중량평균분자량은 1,000 내지 100,000인 투명막 형성용 잉크젯 조성물. The inkjet composition of claim 1, wherein the a) binder polymer has a weight average molecular weight of 1,000 to 100,000.
- 청구항 1에 있어서, 상기 a) 바인더 폴리머와 상기 b) 중합성 단량체의 중량비는 1:0.5 ~ 1:2인 투명막 형성용 잉크젯 조성물. The inkjet composition of claim 1, wherein a weight ratio of the a) binder polymer and the b) polymerizable monomer is 1: 0.5 to 1: 2.
- 청구항 1에 있어서, 상기 투명막 형성용 잉크젯 조성물의 점도는 8 내지 16 cP인 투명막 형성용 잉크젯 조성물.The inkjet composition of claim 1, wherein the viscosity of the inkjet composition for forming a transparent film is 8 to 16 cP.
- 청구항 1에 있어서, 상기 바인더 폴리머는 아크릴레이트 단량체, 아크릴레이트 올리고머, 또는 이들의 혼합물을 포함하는 투명막 형성용 잉크젯 조성물.The inkjet composition of claim 1, wherein the binder polymer comprises an acrylate monomer, an acrylate oligomer, or a mixture thereof.
- 청구항 1에 있어서, 상기 a) 바인더 폴리머 및 b) 중합성 단량체의 고형분 함량은 전체 투명막 형성용 잉크젯 조성물 총 고형분 함량에 대해 95 내지 99 중량%인 투명막 형성용 잉크젯 조성물.The inkjet composition of claim 1, wherein the solid content of the a) binder polymer and b) the polymerizable monomer is 95 to 99% by weight based on the total solid content of the inkjet composition.
- 청구항 1에 있어서, 상기 d) 150℃ 이상의 비점을 가지는 용매는 에틸렌 글리콜 모노부틸 에테르 아세테이트, 디에틸렌 글리콜 모노부틸 에테르 아세테이트, 디에틸렌 글리콜 모노에틸 에테르 아세테이트, 디프로필렌글리콜 메틸 에테르 아세테이트, 에톡시 에틸 아세테이트 및 부톡시 에틸 아세테이트로 이루어진 군에서 선택된 적어도 1종을 포함하는 투명막 형성용 잉크젯 조성물.The solvent of claim 1, wherein the solvent having a boiling point of 150 ° C. or higher is ethylene glycol monobutyl ether acetate, diethylene glycol monobutyl ether acetate, diethylene glycol monoethyl ether acetate, dipropylene glycol methyl ether acetate, ethoxy ethyl acetate And butoxy ethyl acetate for forming a transparent film comprising at least one selected from the group consisting of.
- 청구항 1에 있어서, 상기 투명막 형성용 잉크젯 조성물은 계면활성제, 접착 촉진제, 경화촉진제, 열 중합 억제제, 분산제, 가소제, 충전제, 소포제, 분산 조력제, 응집 방지제 및 중 선택된 적어도 1종을 포함하는 첨가제를 추가로 포함하며, 상기 첨가제는 투명막 형성용 잉크젯 조성물 총 중량에 대하여 0.1 내지 0.5 중량%로 포함되는 투명막 형성용 잉크젯 조성물.The additive composition of claim 1, wherein the inkjet composition for forming a transparent film comprises at least one selected from a surfactant, an adhesion promoter, a curing accelerator, a thermal polymerization inhibitor, a dispersant, a plasticizer, a filler, an antifoaming agent, a dispersing aid, an anti-agglomerating agent, and the like. Further comprising, wherein the additive is an inkjet composition for forming a transparent film comprising 0.1 to 0.5% by weight relative to the total weight of the inkjet composition for forming a transparent film.
- 청구항 1 내지 청구항 10 중 어느 한 항의 투명막 형성용 잉크젯 조성물을 이용하여 형성된 것을 특징으로 하는 투명막.It formed using the inkjet composition for transparent film formation of any one of Claims 1-10, The transparent film characterized by the above-mentioned.
- 청구항 11에 있어서, 상기 투명막은 380 내지 780 nm에서의 광투과도가 경화 후 98 % 이상인 투명막.The transparent film of claim 11, wherein the transparent film has a light transmittance of 380 to 780 nm of at least 98% after curing.
- 잉크젯 방법을 이용하여 청구항 1 내지 청구항 10 중 어느 한 항에 따른 투명막 형성용 잉크젯 조성물로 투명막을 형성하는 단계를 포함하는 투명막의 제조방법.A method of manufacturing a transparent film comprising the step of forming a transparent film with the inkjet composition for forming a transparent film according to any one of claims 1 to 10 using an inkjet method.
- 청구항 11에 따른 투명막을 오버코트로 포함하는 전자소자. An electronic device comprising the transparent film according to claim 11 as an overcoat.
- 청구항 11에 따른 투명막을 화이트 패턴으로서 포함하는 컬러필터.A color filter comprising the transparent film according to claim 11 as a white pattern.
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US13/395,844 US20120178863A1 (en) | 2009-09-15 | 2010-09-10 | Inkjet composition for forming a transparent film, and transparent film formed from same |
CN201080040601.5A CN102482525B (en) | 2009-09-15 | 2010-09-10 | Inkjet composition for forming a transparent film, and transparent film formed from same |
JP2012529664A JP2013504678A (en) | 2009-09-15 | 2010-09-10 | Ink jet composition for forming transparent film and transparent film formed using the same |
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KR1020100088723A KR20110030337A (en) | 2009-09-15 | 2010-09-10 | Inkjet composition for forming transparent film and transparent film formed using the same |
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JP2002201387A (en) * | 2000-12-28 | 2002-07-19 | Dainippon Printing Co Ltd | Ink-jet ink composition for color filter, method for producing ink composition, and method for producing color filter |
JP2008189731A (en) * | 2007-02-01 | 2008-08-21 | Fujifilm Corp | Method for producing dispersion of organic pigment nanoparticles, dispersion obtained thereby, and inkjet ink, colored photosensitive resin composition and photosensitive resin transfer material containing the same, and color filter and liquid crystal display using them |
KR20090053707A (en) * | 2007-11-22 | 2009-05-27 | 후지필름 가부시키가이샤 | Inkjet ink, color filter and process for preparing color filter, and liquid crystal display and image display device using color filter |
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JP2002201387A (en) * | 2000-12-28 | 2002-07-19 | Dainippon Printing Co Ltd | Ink-jet ink composition for color filter, method for producing ink composition, and method for producing color filter |
JP2008189731A (en) * | 2007-02-01 | 2008-08-21 | Fujifilm Corp | Method for producing dispersion of organic pigment nanoparticles, dispersion obtained thereby, and inkjet ink, colored photosensitive resin composition and photosensitive resin transfer material containing the same, and color filter and liquid crystal display using them |
KR20090053707A (en) * | 2007-11-22 | 2009-05-27 | 후지필름 가부시키가이샤 | Inkjet ink, color filter and process for preparing color filter, and liquid crystal display and image display device using color filter |
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