WO2005021665A1 - スペーサー形成用インキ - Google Patents
スペーサー形成用インキ Download PDFInfo
- Publication number
- WO2005021665A1 WO2005021665A1 PCT/JP2004/012590 JP2004012590W WO2005021665A1 WO 2005021665 A1 WO2005021665 A1 WO 2005021665A1 JP 2004012590 W JP2004012590 W JP 2004012590W WO 2005021665 A1 WO2005021665 A1 WO 2005021665A1
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- WIPO (PCT)
- Prior art keywords
- functional group
- resin
- group
- ink
- spacer
- Prior art date
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Classifications
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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
- C09D11/02—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
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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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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Definitions
- the present invention relates to a spacer forming ink.
- Japanese Patent Application Laid-Open No. 2000-35582 discloses a spacer forming method by gravure offset printing. Claims 2 and 3 of Japanese Patent Application Laid-Open No. 2000-35582, use of an ink containing 20 to 60% by weight of a spherical spacer in a resin having a viscosity of 20000 to 2500 cps. In the examples, 5 / resin spacer beads and polyester resin are shown.
- Japanese Unexamined Patent Application Publication Nos. Hei 11-32-23020, Hei 9-11111, and Hei 7-11404 disclose a color filter by intaglio offset printing. It is described that a polyester-melamine resin, an epoxymelamine resin, or the like is used as a heat-curable ink suitable for forming an evening layer or a black matrix.
- Japanese Patent Application Laid-Open No. 2000-347191 discloses a spacer forming method by an ink jet printing method. Claim 1 of Japanese Patent Application Laid-Open No. 2000-347191 describes that the spacer contains formed solid fine particles and a binder resin. Disclosure of the invention
- Japanese Patent Application Laid-Open No. 2000-35582 specifies only the viscosity of the resin.
- a polyester resin is shown, and only the particle size of the resin spacer is specified.
- Japanese Patent Application Laid-Open No. Hei 11-31-232200, Japanese Patent Application Laid-Open No. Hei 9-1111170, Japanese Patent Application Laid-Open No. 7-110404 discloses that as a binder resin for an ink used in an intaglio offset printing method for color filling, a polyester-melamine resin, a melamine-modified polyester resin, an epoxymelamine resin, and a melamine resin are used. A modified epoxy resin or the like is used. However, besides resins, high-boiling solvents such as higher alcohols, ketones such as ethylene glycol ether, propylene glycol ether, cyclohexanone, and isophorone are used from the viewpoint of printability. .
- An object of the present invention is to improve the adhesion between spacer particles and a binder resin in a spacer forming method by a printing method.
- the present invention relates to a spacer forming ink used in a printing method
- A spacer particles, and
- the spacer particles are dispersed in a thermosetting or active energy ray-curable resin composition C, and the resin composition C has a functional group capable of chemically reacting with the spacer particles. Since it has a component containing a group, a new chemical bond is formed between the spacer particle and the binder resin, and the adhesion can be improved. Further, in a preferred embodiment, a new chemical bond is generated between the binder resin and the alignment film, and as a result, the adhesion between the spacer and the alignment film can be improved.
- FIGS. 1 (a) and 1 (b) are schematic diagrams showing the bonding mode of the spacer particles A, the resin B, and the alignment film, respectively.
- FIGS. 2 (a) and 2 (b) are schematic diagrams showing a bonding mode of the spacer particles A, the resins B, F, G, the monomers, and the alignment films.
- the printing method includes a plate printing method and a plateless printing method.
- the plate type printing method means a printing method using a plate, and the following methods can be exemplified.
- the plateless printing method is not limited as long as the printing method does not use a plate, and includes an ink jet printing method and a laser printing method.
- Typical ink jet printing methods include the following.
- the resin formulation C contains at least one component containing a functional group capable of chemically reacting with the particles A.
- This component may be a thermosetting or active energy ray-curable resin B, or may be any component such as another resin, a monomer or diluent, an oligomer, a photoradical initiator, or a solvent. .
- the component containing a functional group capable of chemically reacting with the particles A is one or more resins B.
- the functional groups a, a ⁇ a "of the spacer particles A react with the functional groups b, b ', b" of the resin B. And combine.
- the component containing a functional group capable of chemically reacting with the particles A is one or more resins B, and the resin B can react with the functional groups of the alignment film.
- the resin B reacts with and binds to the functional group of the orientation film.
- the resin composition C contains a plurality of types of resins B. Then, the resin B chemically reacts with the spacer particles A, the other resin F chemically reacts with the resin B, and also reacts with the functional group of the alignment film.
- the functional group b of the resin B is The resin F reacts with the resin B, and the resin F reacts with the resin G. At the same time, the resin: F reacts with the functional group of the alignment film.
- the spacer particles A and the alignment film are chemically bonded via the generated polymer compound.
- components other than the resin in the resin composition react with the resin B and also react with the functional group of the alignment film.
- the functional group b 'of the resin B reacts with the functional group a of the spacer particle A
- the monomer or diluent reacts with the resin B and the particle A.
- the monomer reacts with the functional group of the alignment film.
- the spacer particles A and the alignment film are chemically bonded via the generated polymer compound.
- the resin B has a functional group b capable of reacting by heating, and the particles A have a functional group a capable of reacting with the functional group b.
- Examples of the functional group b of the resin B include a hydroxyl group, an epoxy group, a carboxyl group, a hydrolyzable silyl group, a silanol group, an isocyanate group, a methylol group, an alkylated methylol group, an imino group, an acid anhydride, and an unsaturated group. Can be illustrated. These functional groups are selected based on the reactivity of the particles A with the functional groups a.
- the resin composition C may contain a plurality of types of resins B reactive with the particles A, or may contain a curing agent or a coupling agent.
- examples thereof include a combination of a polyester resin and a melamine resin, a combination of an epoxy resin and a melamine resin, and a combination of an epoxy resin and an amine-based curing agent.
- the functional groups of the particles A that can react with the components in the resin composition include silanol groups, carboxyl groups, epoxy groups, hydrolyzable silyl groups, isocyanate groups, unsaturated groups, methylol groups, and alkylated methylol groups. , Imino group, acid anhydride and amino group.
- the functional group b of the resin B capable of reacting by heating is a functional group b1 capable of reacting with the functional group remaining in the alignment film.
- the adhesion between the binder resin and the alignment film is improved by the reaction between the functional group b 1 of the binder resin and the functional group remaining in the alignment film.
- the functional group remaining on the alignment film include a carboxyl group and an amide group, and a carboxyl group is particularly preferable from the viewpoint of reactivity.
- Examples of the functional group b 1 capable of reacting with the functional group remaining in the alignment film include an epoxy group, a hydroxyl group, and an amino group, and an epoxy group is particularly preferable in terms of reactivity.
- the functional group b1 of the resin B is an epoxy group
- the functional group a of the particle A is a functional group a1 capable of reacting with an epoxy group.
- the functional group a 1 include an epoxy group, a hydroxyl group, and a silanol group.
- the resin B has a functional group b ′ capable of reacting with active energy rays
- the particle A has a functional group a ′ capable of reacting with the functional group b ′.
- the functional group b ′ include an unsaturated group such as an acryl group or a methyl group.
- Examples of the functional group a ′ of the particle A include an unsaturated group such as an acryl group and a methyl acryl group.
- the resin composition C contains a component having a functional group b 1 ′ capable of reacting with a functional group remaining on the alignment film.
- This component may be resin B, may be resin B and another resin, and may be a monomer or an oligo.
- Other components such as a diluent, a photoinitiator and the like may be used.
- An epoxy group can be exemplified as the functional group bl.
- the ink comprises a diluent D and Z or a photoradical initiator E having a functional group a ′ or a functional group b ′ capable of reacting with an active energy ray. ing.
- the resin B has a functional group b which can be cationically polymerized by heating and / or energy
- the particle A has a functional group a "which can react with the functional group b". I have.
- Examples of the functional group b include an epoxy group and a hydroxyl group.
- Examples of the functional group a" of the particle A include an epoxy group and a hydroxyl group.
- the functional group of the resin B is a functional group b1, ′ capable of reacting with the functional group remaining on the alignment film.
- the functional group bl ' include an epoxy group and a hydroxyl group.
- the functional group b1 "of the resin B is an epoxy group
- the functional group a" of the particle A is a functional group a1 "capable of reacting with the epoxy group.
- the resin composition is a diluent having a functional group capable of reacting with the functional group a ′ or the functional group b ′ ′ With Agent H and / or Photodynamic Thion Initiator I.
- the amount of solvent and the type of solvent in the resin composition C can be appropriately determined experimentally.
- the solvent in the resin composition c may dissolve other components in the resin composition C, or may disperse other components.
- the ink used in the plate printing method of the present invention preferably has a low solvent content, specifically, 30% by weight or less, more preferably 10% by weight or less.
- the printing method of the present invention The ink used is substantially free of solvents. This means that solvent components are not actively added to the ink, and traces of solvent and unavoidable impurities are excluded.
- the ink does not substantially contain a solvent, liquid crystal contamination due to a residual solvent after formation of the spacer is eliminated, and printing can be performed more stably.
- a subsequent heating step can be omitted.
- examples of the solvent include polar solvents such as alcohols, glycols, propylene glycols, and water.
- the spacer particles used in the present invention are not limited.
- the particles are obtained by a precipitation polymerization method or a seed polymerization method.
- the precipitation polymerization method is a polymerization method in which a monomer is dissolved and a polymer based on the monomer is polymerized in a solvent in which the monomer is not dissolved to precipitate polymer particles.
- polymer particles obtained by the above-mentioned precipitation polymerization method are swollen with a monomer, and the monomer is further polymerized by radicals contained in the polymer particle to form a secondary polymer. This is a method for obtaining coalesced particles.
- crosslinked polymer particles using a polyvalent vinyl compound such as divinylbenzene, diarylolefate, or tetraxyloxetane as a part of the monomer are preferable.
- the crosslinked polymer particles have good solvent resistance and heat resistance.
- particles having a true spherical shape and a uniform particle size distribution suitable for a liquid crystal spacer are obtained, and particularly in the case of seed polymerization, true spherical particles having a large particle size are obtained.
- the polymerization is carried out by another polymerization method. Body particles, glass particles, ceramic particles, metal particles and the like may be used, but as described above, the liquid crystal spacer is desirably a true spherical particle having a uniform particle size distribution.
- Materials used for this adhesion layer include methyl acrylate, ethyl acrylate, n-butyl acrylate, iso-butyl acrylate, 2-ethylhexyl acrylate, cyclohexyl acrylate, and tetrahydro acrylate.
- thermoplastic polymer or copolymer is softened by heating and shows good adhesion to the surface of the oriented substrate.
- a homopolymer of an epoxy group-containing monomer such as glycidyl acrylate, glycidyl methacrylate, glycidyl aryl ether, an acrylate or methacrylate containing an alicyclic epoxy group, or the above-mentioned epoxy group-containing monomer may be used.
- An epoxy group-containing polymer such as a copolymer of two or more copolymers or an epoxy group-containing monomer and a monomer other than the above-mentioned epoxy group-containing monomer; Affinity with polyimide coated glass surface
- a polymer having a functional group having a property is also used.
- the polyvinyl alcohol is obtained by polymerizing vinyl acetate and then hydrolyzing it.
- the particle surface and the polymer constituting the adhesion layer are bound by a covalent bond. Examples of the method include a graft polymerization method and a polymer reaction method.
- a polymerizable vinyl group is introduced into the particle surface, and the monomer is polymerized starting from the vinyl group.
- a polymerization initiator is introduced into the particle surface, and Two methods of polymerizing the monomer are considered.
- Vinyl group introduction method In the vinyl group introduction method, a functional group such as a hydroxyl group, a hydroxyl group, an epoxy group, a silyl group, a silanol group, an isocyanate group, or the like is present on the particle surface, and reacts with the above functional group.
- a vinyl group is introduced by reacting a monomer having a functional group that can be covalently bonded.
- solvents such as methanol, ethanol, iso-propanol, sec-propanol, alcohols such as t-butanol, ketones such as acetone and methyl ethyl ketone, etc.
- solvents such as methanol, ethanol, iso-propanol, sec-propanol, alcohols such as t-butanol, ketones such as acetone and methyl ethyl ketone, etc.
- Particles produced by such polymerization orient the functional groups on the surface.
- the monomer having the above functional group include the following.
- the carboxyl group-containing monomer include acrylic acid, methacrylic acid, itaconic acid, crotonic acid, maleic acid, maleic anhydride, and citraconic acid.
- hydroxyl group-containing monomer 2-hydroxyshetyl acrylate
- 2-hydroxypropyl acrylate 2-hydroxypropyl methacrylate
- aryl alcohol 2-hydroxypropyl methacrylate
- Epoxy group-containing monomers include glycidyl acrylate, glycidyl methacrylate, and glycidyl acryl ether.
- the monomer containing a methylol group include N-methylol acrylamide, N-methyl methacrylamide and the like.
- amino group-containing monomer include dimethylaminoethyl acrylate and dimethylaminoethyl methacrylate.
- Examples of the monomer containing an acid amide group include acryl amide and methacrylamide.
- Examples of the silyl group-containing monomer include methacryloxypropyltrimethoxysilane, vinyltriacetoxysilane, p-trimethoxysilylstyrene, p-triethoxysilylstyrene, p-trimethoxysilinole-methylstyrene, and p-trimethylsilylstyrene.
- a method of introducing a silyl group a method of reacting silane gas with a particle having a functional group having an active hydrogen such as a silanol group, a hydroxyl group or a carboxyl group on the surface is also applied.
- Silyl groups can be introduced to the surface by treatment with a silane coupling agent such as -glycidoxytripropylmethoxysilane, 71-mercaptopropyltrimethoxysilane, methyltrimethoxysilane, p-trimethoxysilylstyrene, or methyltrichlorosilane. I can do it.
- the polymer particles or inorganic particles having the silyl groups introduced on the surface are Hydrolysis of the silyl group by treatment with acid or acid results in particles having silanol groups on the surface.
- Examples of the active energy curable resin include acrylic resin 1 having a polyurethane structure, urethane acrylate oligomer having a group bonded thereto, and polyester acrylate oligomer having an acrylate group bonded to an oligomer having a polyester structure.
- the photoradical initiator (photopolymerization initiator) E that can be mixed with the active energy ray-curable resin composition generates a radical by light. This is preferably one that initiates radical polymerization of unsaturated group-containing polymers, monofunctional and polyfunctional monomers, and any of the radical reaction type photopolymerization initiators conventionally known in the photosensitive resin field can be used. Not limited.
- photopolymerization initiators can be used alone or in combination of two or more in accordance with the type of curing agent (crosslinking agent) or diluent used.
- the amount of the photopolymerization initiator used is not particularly limited, and is usually about 0.10 parts by weight per 100 parts by weight of the active energy ray-curable resin crosslinked by ionizing radiation such as ultraviolet rays or electron beams. Used in proportions.
- a compound having at least one polymerizable carbon-carbon unsaturated bond can be used.
- one or more of the following monomers can be used: aryl acrylate, benzyl acrylate, butoxyl acrylate, butoxyethylene glycol acrylate, cyclohexyl acrylate, dicyclopentyl acrylate, 2- Ethyl hexyl acrylate, glycerol acrylate, glycidyl acrylate, 2-hydroxyhexyl acrylate, 2-hydroxypropyl acrylate, isobonyl acrylate, isodexyl acrylate, isococtyl Acrylate, lauryl acrylate, 2-methoxyethyl acrylate, methoxyethylene glycol acrylate, phenoxyshetyl acrylate, stearyl acrylate, ethylene glycol diacrylate, dimethacrylate
- the diluent D preferably has an epoxy group.
- examples include 3,4-epoxycyclohexylmethyl (meth) acrylate, 4-hydroxybutyl acrylate glycidyl ether, and glycidyl (methyl) acrylate.
- the amount of the diluent used is not particularly limited, and it is usually used in a proportion of 1 to 200 parts by weight per 100 parts by weight of the active energy ray-curable resin.
- heat-curable resin examples include epoxy resins (curing agents such as amines, polyamides, and acid anhydrides), polyester resins and melamine resins, and epoxy resins and melamine resins.
- epoxy resins include the following: hydroquinone diglycidyl ether, potassium diglycidyl ether, resorcinol diglycidyl ether, phenyl diglycidyl ether, phenol novolak epoxy resin, cresol novolak epoxy resin , Tris-hydroxyphenyl epoxy resin, dicyclopentene dimethanol epoxy resin, bisphenol-A epoxy resin, bisphenol-F epoxy resin, bisphenol-S epoxy resin, 2,2-bis ( 4-Hydroxyphenyl) 1,1,1,1,3,3,3—Hexafluoropropane epoxy compound, hydrogenated bisphenol—A-type epoxy resin, hydrogenated bisphenol—F-type epoxy resin, bishydride hydride Phenol S-type epoxy resin, 2,2-bis (4-hydroxyphenyl) hydride — 1,1,1,3,3,3-hexafluoropropane epoxy compound, brominated bisphenol—A-type epoxy Resin, brominated bisphenol-F epoxy resin, cyclohexanedimethanol-
- an alicyclic epoxy resin and an oxetane resin are preferable.
- Alicyclic epoxy resins are oxides having an oxysilane ring, which are obtained by reacting peracetic acid with a cyclic aliphatic unsaturated compound having two or more unsaturated groups.
- a typical example is an epoxy resin of a type in which a bond is epoxidized, and a resin having two or more epoxy groups in one molecule is preferable.
- An oxetane compound is a compound having one or more oxetane rings in the molecule. Specifically, 3-ethyl-3-hydroxymethyloxetane (trade name: OXT 101, manufactured by Toagosei Co., Ltd.), 1,4-bis [(3-ethyl-3-oxenil) Methoxymethyl] benzene (same as OXT 121), 3-ethyl-3- (phenoxymethyl) oxetane (same as OXT 211), Di (1-ethyl- 3- oxoxenyl) methyl ether (OXT221) etc., 3-ethyl-3- (2-ethylhexoxymethyl) oxene (OXT212) etc.
- 3-ethyl-3-hydroxymethylxoxen, 3-ethyl-13- (phenoxymethyl) oxetane, and di (1-ethy-3-oxetanyl) methyl ether can be preferably used. These can be used alone or in combination of two or more.
- polymer polyol there is no particular limitation on the polymer polyol.
- at least one polyether polyol selected from polyethylene glycol, polypropylene glycol, and polytetramethylene glycol
- at least one polyester polyol selected from esters of polyhydric alcohol and polybasic acid.
- At least one kind of polycarbonate-based polyol selected from hexamethylene carbonate and pentamethylene carbonate
- at least one kind of polylactone-based polyol selected from polycaprolactone polyol and polybutyrolactone boritol. Is preferred.
- polyether-based polyols polyester-based polyols, polycarbonate-based polyols and polylactone-based polyols can be selected, or a plurality of them can be combined.
- the melamine resin include amino resins such as methyl etherified melamine resin, butylated etherified melamine resin, isobutyl etherified melamine resin, and butylated etherified benzoguanamine resin.One or two of these resins can be used. Mixtures of the above can be used.
- a curing agent or an acid catalyst can be added to the thermosetting resin.
- a curing agent include an acid anhydride, an amine curing agent, and a cationic curing agent.
- the acid anhydride-based curing agent examples include phthalic anhydride, trimellitic anhydride, pyromeric anhydride, benzophenonetetracarboxylic anhydride, and ethylene glycol anhydride.
- Aromatic carboxylic acid anhydrides such as tonic anhydride, biphenyletracarboxylic acid anhydride, aliphatic carboxylic acid anhydrides such as azelaic acid, sebacic acid and dodecane diacid, tetrahydrophthalic anhydride, hexahydric acid
- alicyclic carboxylic anhydrides such as drofuric anhydride, nadic anhydride, wet anhydride, and highmic anhydride.
- amine curing agent examples include diaminodiphenylmethane, diaminodiphenylsulfone, diaminodiphenyl ether, p-phenylenediamine, m-phenylenediamine, o-phenylenediamine, 1,5-diaminonaf Aromatic amines such as ethylene, m-xylylenediamine, ethylenediamine, diethylenediamine, isophoronediamine, aliphatic amines such as bis (4-amino-13-methyldicyclohexyl) methane, polyetherdiamine, dicyandiamide, 1 ⁇ (O-tolyl) guanidines such as biguanide.
- Aromatic amines such as ethylene, m-xylylenediamine, ethylenediamine, diethylenediamine, isophoronediamine, aliphatic amines such as bis (4-amino-13-methyldicyclohexyl
- catalysts include tertiary amines (tris (dimethylaminomethyl) phenol, dimethylbenzylamine, 1,8-diazabicyclo (5,4,0) indene (DBU)), imidazoles, etc. It is a target.
- the acid catalyst examples include para-toluenesulfonic acid, dodecylbenzenesulfonate. Acids such as acid, dinonylnaphthalenesulfonic acid, dinonylnaphthalenedisulfonic acid, butylphosphoric acid, and octylphosphoric acid, and amine neutralized products of these acids are preferred.
- Examples of the cationic polymerization resin include an epoxy compound, an oxetane compound, an oxolane compound, a cyclic acetal compound, a cyclic lactone compound, a thiirane compound, a chain compound, a vinyl ether compound, and a reaction product of an epoxy compound and a lactone.
- a diluent H and / or a light-powered thione initiator I it is preferable to mix a diluent H and / or a light-powered thione initiator I with the cationic polymerization resin.
- Examples of the light-powered thione polymerization initiator I include arylaryl dimethyl salt type compounds, triarylsulfonium salt type compounds, and diaryl dominodium salt type compounds.
- Diluents H include alkylphenol monoglycidyl ether, alkyl monoglycidyl ether, dipropylene glycol, recall diglycidyl ether, polypropylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, trimethylolpropane triglycidyl ether, 1, 6-Hexanediol glycidyl ether.
- the amount of the light-powered thione polymerization initiator to be used is not particularly limited, and is usually used in a proportion of 0.1 to 10 parts by weight per 100 parts by weight of the active energy linear curable resin.
- the amount of the diluent used is not particularly limited, and it is usually used in a proportion of 1 to 40 parts by weight per 100 parts by weight of the active energy ray-curable resin.
- the ink was prepared by mixing spacer particles A, resin component; B, and an ultraviolet radical initiator.
- the functional group of the particle A is a hydroxyl group
- the resin component B is a urethane acrylate containing an isocyanate group
- the initiator is 2-hydroxy-2-methyl-1-phenylpropane-one-one.
- This mixture was printed on a filter substrate by the gravure offset printing method described in JP-A-2000-35582, cured, and cured. Specifically, the sample was preheated at 80 ° C. for 10 minutes, and then irradiated with ultraviolet light at 100 Omj / cm. The evaluation results of the obtained spacers are shown in Tables 1 and 2. See Figure 2.
- the slide was cracked to create a cross section of the ink, and the presence or absence of peeling at the interface between the binder resin and the spacer was observed using a scanning electron microscope. “ ⁇ ” indicates no peeling, “ ⁇ ” indicates partial peeling, and “X” indicates complete peeling.
- the cellophane tape was peeled off, and the presence or absence of peeling of the printed dots was observed with an optical microscope. “ ⁇ ” indicates no peeling, “ ⁇ ” indicates partial peeling, and “X” indicates complete peeling.
- An ITO / polyimide alignment film was formed on the surface, and the rubbed substrate was printed with ink by a printing machine so that it would be on the BM, and subjected to a heat treatment under predetermined conditions. After that, print the sealant around the substrate and apply The STN liquid crystal panel was created by laminating the substrates and injecting liquid crystal (Merck ZLI-2293 (S078W)) into the cells.
- liquid crystal Merck ZLI-2293 (S078W)
- the alignment abnormality around the liquid crystal spacer at the time of lighting was observed and evaluated.
- a DC voltage (DC) of 50 V, 1 second is applied to the liquid crystal panel prepared by the above method, and the change in the alignment abnormality (light leakage state) around the liquid crystal spacer before and after the application is evaluated. did.
- a predetermined amount of the cured ink and a predetermined amount of LC are placed in a sample bottle, and heated in a dryer to accelerate the heat.
- Resin-cured solids should be 5% of liquid crystal. Heating was promoted under the following conditions, and liquid crystal contamination was measured.
- Heating promotion conditions 80 ° C—7 hr
- Liquid electrode LE21, manufactured by Ando Electric
- High-resistance measuring device Kesleichi SR-651
- Example 1 liquid crystal contamination was suppressed.
- the same spacer particles A as used in Example 1 were used.
- the functional group of the particle A is a hydroxyl group.
- Epoxy resin is used as the resin component B, methyltetrahydrofluoric anhydride “Epolite B-570” (manufactured by Dainippon Ink) as an acid anhydride curing agent, and an aromatic tertiary amine as a catalyst.
- Epoxy resin is used as the resin component B
- This mixture was printed and cured in the same manner as in Example 1, and the spacer was placed on the BM. Specifically, it was cured by heating at 200 ° C. for 60 minutes.
- Example 3-1 The same spacer particles A as used in Example 1 were used.
- the functional group of the particle A is a hydroxyl group.
- resin component B "Braxel 410D” (Polycaprolactone 1, tetratetraol: manufactured by Daicel Chemical Industries, Ltd.), "Epico 1001” (epoxy resin, manufactured by Japan Epoxy Resin)
- Synmel 303 Melamine resin, manufactured by Mitsui Cytec Co., Ltd.
- paratoluenesulfonic acid was mixed as an acid catalyst.
- This mixture was printed and cured as in the example, and the spacer was placed on the BM. Specifically, it was cured by heating at 150 ° C. for 30 minutes. As a result, good characteristics were obtained.
- Example 5 The same spacer particles A as in Example 1 were used.
- the functional group of the particle A is a hydroxyl group.
- "Eporide GT403" (a polyfunctional alicyclic epoxy resin, manufactured by Daicel Chemical Industries, Ltd.) was used as the epoxy resin component B, and "San-Aid SI-100 L (aromatic sulfo) was used as a polymerization initiator.
- This mixture was printed and cured in the same manner as in Example 1, and the spacer was placed on the BM.
- the composition was cured by heating for 30 minutes at ° C. As a result, good characteristics were obtained. (Example 5)
- the surface of the particles is treated with MOI (2-isocyanateethyl methacrylate, manufactured by Showa Denko KK) and KBM 5103 ( ⁇ -acryloxypropyltrimethoxysilane, manufactured by Shin-Etsu Chemical Co., Ltd.) to obtain unsaturated groups.
- MOI 2-isocyanateethyl methacrylate
- KBM 5103 ⁇ -acryloxypropyltrimethoxysilane, manufactured by Shin-Etsu Chemical Co., Ltd.
- Nylpropane-1 ounce "Darocur 1 1 7 3" (manufactured by Ciba Geigy) was mixed, and the mixture was printed and cured in the same manner as in Example 1 and the spacer was placed on the BM. Specifically, it was cured by irradiating it with 1000 mj / cm of ultraviolet light, and as a result, good characteristics were obtained.
- the same spacer particles A as in Example 5 were used.
- resin B a phenol novolak resin “ENA” (manufactured by Kagawa Chemical Co., Ltd.) containing an epoxy group and an unsaturated group was used, and as a diluent D, an ultraviolet curable monomer “M210” was used.
- photoradical polymerization initiator (2-hydroxy-2-methyl-11-phenylpropane-11-one "Darocure 117, Ciba-Geigy”
- This mixture was printed, cured, and the spacer was placed on the BM in the same manner as in Example 1. Specifically, irradiation with ultraviolet light of lOOmj'Zcm was performed. And cured by heating for 30 minutes at 150 ° C. As a result, good characteristics were obtained.
- the same spacer particles A as in Example 5 were used.
- resin B acrylate “M7100” (polyester acrylate, manufactured by Toagosei Co., Ltd.)
- a diluent D a UV-curable monomer “4HBAGE” (4-hydroxybutyl acrylate glycidyl ether, manufactured by Nippon Kasei Co., Ltd.) and a photoradical polymerization initiator (2-hydroxy-2-methyl-1 _Phenylpropane-11-one "Darocure 1 173" (manufactured by Ciba-Geigy) was mixed in. This mixture was printed and cured in the same manner as in Example 1, and the powder was placed on the BM. Specifically, curing was performed by irradiating an ultraviolet ray of 100 Omj / cm, and as a result, good characteristics were obtained.
- the same spacer particles A as in Example 3-2 were used.
- the functional group of particle A is an epoxy group.
- Resin B includes Evolite 828 (epoxy resin, manufactured by Japan Epoxy Resin) and OXT-101 (3-ethyl-3-hydroxymethyloxetane, manufactured by Toa Gosei) And a photoinitiated thione polymerization initiator “San-Aid SI-100L (aromatic sulfonium salt type compound)” was further mixed.
- the mixture was printed in the same manner as in Example 1 and cured.
- the spacer was placed on the surface.Specifically, it was cured by irradiating 1000 mj / cm of ultraviolet rays and then heat-treating it at 150 ° C. for 30 minutes. Adhesion with spacer particles was improved, and liquid crystal contamination was suppressed.
- the same spacer particles A as in Example 3-2 were used.
- the functional group of particle A is an epoxy group.
- As the resin B an alicyclic epoxy resin “GT301” (Daicel Chemical Co., Ltd.) was used, and a photo-ionization polymerization initiator “Sun-Aid SI-100L” (aromatic sulfonium salt type compound) This mixture was printed, cured, and the spacer was placed on the BM in the same manner as in Example 1. Specifically, the mixture was irradiated with ultraviolet light of 100 Omj / cm. I At 150 ° C. for 15 minutes. As a result, good characteristics were obtained.
- the same spacer particles A as in Example 2 were used.
- the functional group of the particle A is a hydroxyl group.
- resin B “Epicoat 806” (bisphenol: F-Eve epoxy resin: manufactured by Japan Epoxy Resin Co., Ltd.) was used, and further, a light-intensity thione polymerization initiator “Sun-Aid SI—100 L (aromatic)
- the mixture was printed and cured in the same manner as in Example 1.
- the spacer was placed on the BM. Specifically, l OOO mj Z cm And cured by heat treatment at 120 ° C. for 15 minutes, resulting in good characteristics.
- the same spacer particles A as in Example 3-2 were used.
- the functional group of particle A is an epoxy group.
- As the resin B “Epico 806” (bisphenol F type epoxy resin, manufactured by Japan Epoxy Resin Co., Ltd.) is used, and a diluent (bifunctional epoxy resin “Epiclon 720” (Neopentyl) Glycol diglycidyl ether, manufactured by Dainippon Ink Co., Ltd.) and a photoactive thione polymerization initiator “San-Aid SI-100 L (aromatic sulfonium salt type compound)” were mixed.
- Printing and curing were performed in the same manner as in step 1, and the spacer was placed on the BM.Specifically, irradiation was performed with 1000 mj / cm of ultraviolet light, and then at 120 ° C. for 15 minutes. It was cured by heat treatment, and as a result, good characteristics were obtained.
- the same spacer particles A as used in Example 3-2 were used.
- the functional group of particle A is an epoxy group.
- Polycarbonate lactone tetraol epoxy resin partially having COOH groups was used as resin B.
- This resin is Cell 410D (Polycaprolactonetetraol, manufactured by Daicel Chemical Industries, Ltd.) was reacted with methyltetrahydrostalic anhydride “Epolite B-570” (manufactured by Dainippon Ink).
- “Polyde GT 403 (a polyfunctional alicyclic epoxy resin, manufactured by Daicel Chemical Industries, Ltd.) was mixed. This mixture was printed and cured in the same manner as in Example 1 to obtain a mixture.
- Example 1 was placed on the BM.
- the composition was cured by heating at 180 ° C. for 60 minutes, and as a result, good characteristics were obtained.
- the resin B was a UV-curable resin "M350" (trimethylolpropane E0-modified triacrylate: Toa Gosei Co., Ltd.) Was used.
- M350 trimethylolpropane E0-modified triacrylate: Toa Gosei Co., Ltd.
- the mixture was diluted with propylene glycol monomethyl ether to obtain a spacer particle dispersion.
- the resulting dispersion is discharged onto a substrate using a known ink jet device, preliminarily dried at 120 ° C for 30 minutes, and then cured by irradiating ultraviolet light at 100 mj'Z cm. Then, after baking was performed at 150 ° C. for 30 minutes.
- the same spacer particles A as in Example 1 were used.
- the functional group of the particle A is a hydroxyl group.
- polyester acrylate “M710” manufactured by Toagosei Co., Ltd.
- a high boiling point solvent propylene glycol diacetate
- a photoradical initiator was mixed. This mixture was printed and cured as in Example 1 and the spacer was placed on the BM. Specifically, after heating at 80 ° C. for 10 minutes, curing was performed by irradiating 100 Omj / cm ultraviolet rays.
- the same spacer particles A as used in Example 1 were used.
- the functional group of the particle A is a hydroxyl group.
- Melamine polyester resin was used as resin B, and a high boiling alcohol solvent was mixed. This mixture was printed and cured as in Example 1, and the spacer was placed on the BM. Specifically, it was cured by heating at 210 ° C. for 60 minutes.
- Example 13 the used sensor particles were changed to the particles used in Example 1. Other than that, the experiment was performed in the same manner as in Example 13. As a result, the adhesion between the spacer particles and the binder resin was low, and the impact resistance was low. Adhesion between the ink and the alignment film was slightly low, and light leakage and slight liquid crystal contamination were observed.
- the present invention it is possible to improve the adhesion between the spacer particles and the binder resin in the spacer forming method by the printing method.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005513512A JP4847130B2 (ja) | 2003-08-28 | 2004-08-25 | スペーサー形成用インキ、スペーサーおよび液晶表示パネル |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-209414 | 2003-08-28 | ||
JP2003209414 | 2003-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005021665A1 true WO2005021665A1 (ja) | 2005-03-10 |
Family
ID=34263965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012590 WO2005021665A1 (ja) | 2003-08-28 | 2004-08-25 | スペーサー形成用インキ |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4847130B2 (ja) |
KR (1) | KR20060041173A (ja) |
CN (1) | CN100475920C (ja) |
TW (1) | TW200516116A (ja) |
WO (1) | WO2005021665A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008224849A (ja) * | 2007-03-09 | 2008-09-25 | Sekisui Chem Co Ltd | 液晶スペーサ粒子分散液及び液晶表示装置の製造方法 |
JP2009263525A (ja) * | 2008-04-25 | 2009-11-12 | National Printing Bureau | 樹脂組成物、インキ組成物及びその印刷物 |
WO2010035895A1 (ja) * | 2008-09-26 | 2010-04-01 | ナトコ株式会社 | インクジェット法により基板上に微粒子を定点配置させるための分散液 |
JP2012012443A (ja) * | 2010-06-29 | 2012-01-19 | Fujifilm Corp | インク組成物、インクセット及び画像形成方法 |
JP5287238B2 (ja) * | 2006-04-06 | 2013-09-11 | 日立化成株式会社 | 液晶スペーサー形成用インク及びそれを用いた液晶表示装置 |
WO2018189516A1 (en) * | 2017-04-10 | 2018-10-18 | Rainbow Technology Systems Limited | Force sensitive resistor uv ink |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140007786A1 (en) * | 2011-04-05 | 2014-01-09 | Lg Chem, Ltd. | Composition for printing and printing method using the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62231926A (ja) * | 1986-04-01 | 1987-10-12 | Seiko Epson Corp | 液晶表示素子の製造方法 |
JPH075476A (ja) * | 1993-06-15 | 1995-01-10 | Hitachi Ltd | 液晶表示素子の製造方法 |
JPH09160009A (ja) * | 1995-12-06 | 1997-06-20 | Hitachi Ltd | カラー液晶表示素子とその製造方法 |
JPH10253966A (ja) * | 1997-03-11 | 1998-09-25 | Denso Corp | 液晶表示素子 |
JP2000338498A (ja) * | 1999-05-25 | 2000-12-08 | Nec Corp | 液晶表示パネル |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0830813B2 (ja) * | 1992-02-25 | 1996-03-27 | ナトコペイント株式会社 | 液晶スペーサ |
JPH09105946A (ja) * | 1995-10-13 | 1997-04-22 | Toshiba Corp | 液晶表示素子及びその製造方法 |
JP3997038B2 (ja) * | 1999-09-09 | 2007-10-24 | キヤノン株式会社 | スペーサー付カラーフィルタと液晶素子の製造方法 |
JP4603112B2 (ja) * | 1999-08-23 | 2010-12-22 | 株式会社日本触媒 | 液晶表示装置の製造方法 |
TW557237B (en) * | 2001-09-14 | 2003-10-11 | Sekisui Chemical Co Ltd | Coated conductive particle, coated conductive particle manufacturing method, anisotropic conductive material, and conductive connection structure |
-
2004
- 2004-08-25 CN CNB2004800190782A patent/CN100475920C/zh not_active Expired - Fee Related
- 2004-08-25 KR KR20057022902A patent/KR20060041173A/ko not_active Application Discontinuation
- 2004-08-25 WO PCT/JP2004/012590 patent/WO2005021665A1/ja active Application Filing
- 2004-08-25 JP JP2005513512A patent/JP4847130B2/ja not_active Expired - Fee Related
- 2004-08-27 TW TW093125813A patent/TW200516116A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62231926A (ja) * | 1986-04-01 | 1987-10-12 | Seiko Epson Corp | 液晶表示素子の製造方法 |
JPH075476A (ja) * | 1993-06-15 | 1995-01-10 | Hitachi Ltd | 液晶表示素子の製造方法 |
JPH09160009A (ja) * | 1995-12-06 | 1997-06-20 | Hitachi Ltd | カラー液晶表示素子とその製造方法 |
JPH10253966A (ja) * | 1997-03-11 | 1998-09-25 | Denso Corp | 液晶表示素子 |
JP2000338498A (ja) * | 1999-05-25 | 2000-12-08 | Nec Corp | 液晶表示パネル |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5287238B2 (ja) * | 2006-04-06 | 2013-09-11 | 日立化成株式会社 | 液晶スペーサー形成用インク及びそれを用いた液晶表示装置 |
JP2008224849A (ja) * | 2007-03-09 | 2008-09-25 | Sekisui Chem Co Ltd | 液晶スペーサ粒子分散液及び液晶表示装置の製造方法 |
JP2009263525A (ja) * | 2008-04-25 | 2009-11-12 | National Printing Bureau | 樹脂組成物、インキ組成物及びその印刷物 |
WO2010035895A1 (ja) * | 2008-09-26 | 2010-04-01 | ナトコ株式会社 | インクジェット法により基板上に微粒子を定点配置させるための分散液 |
JP2012012443A (ja) * | 2010-06-29 | 2012-01-19 | Fujifilm Corp | インク組成物、インクセット及び画像形成方法 |
WO2018189516A1 (en) * | 2017-04-10 | 2018-10-18 | Rainbow Technology Systems Limited | Force sensitive resistor uv ink |
Also Published As
Publication number | Publication date |
---|---|
JPWO2005021665A1 (ja) | 2006-10-26 |
CN1816599A (zh) | 2006-08-09 |
KR20060041173A (ko) | 2006-05-11 |
TW200516116A (en) | 2005-05-16 |
CN100475920C (zh) | 2009-04-08 |
JP4847130B2 (ja) | 2011-12-28 |
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