WO1996034065A1 - Composition adhesive durcissable aux ultraviolets - Google Patents
Composition adhesive durcissable aux ultraviolets Download PDFInfo
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- WO1996034065A1 WO1996034065A1 PCT/JP1996/001134 JP9601134W WO9634065A1 WO 1996034065 A1 WO1996034065 A1 WO 1996034065A1 JP 9601134 W JP9601134 W JP 9601134W WO 9634065 A1 WO9634065 A1 WO 9634065A1
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- meth
- acrylate
- ultraviolet
- adhesive composition
- curable adhesive
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/256—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers improving adhesion between layers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/067—Polyurethanes; Polyureas
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/14—Polymers provided for in subclass C08G
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—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 C09J159/00 - C09J187/00
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
- G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
Definitions
- the present invention relates to an ultraviolet-curable adhesive, particularly for bonding substrates having a total line transmittance of 0.01% to 20% with respect to energy rays having a wavelength of 280 nm or more and 380 nm or less.
- Adhesives that can be used.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, contrary to the conventional wisdom that an opaque base material cannot be bonded with a photocurable resin, the base material can transmit light even if a little. For example, it was found that even an opaque substrate can be bonded with a photocurable resin, and the present invention was accomplished.
- the present invention is directed to the use of a molar absorbance at a wavelength of An ultraviolet-curable adhesive composition comprising at least one kind of photopolymerization initiator having a coefficient of 200 or more and an ultraviolet-curable compound.
- the present invention is also an ultraviolet-curable adhesive composition
- an ultraviolet-curable adhesive composition comprising at least one kind of photopolymerization initiator having a molar extinction coefficient of 400 or more at a wavelength of 360 to 450 nm and an ultraviolet-curable compound.
- the ultraviolet-curable adhesive composition is applied to a base material having a total transmittance of energy rays at a wavelength of 280 nm to 380 nm of 0.01% to 20%. After that, another substrate is brought into close contact with the application surface, and then the substrate is irradiated with ultraviolet rays.
- the ultraviolet-curable adhesive composition of the present invention contains at least one photopolymerization initiator having a molar extinction coefficient of not less than 360 nm, particularly not less than 200 at a wavelength of from 360 to 400 nm.
- the ultraviolet-curable adhesive composition of the present invention contains at least one photopolymerization initiator having a molar extinction coefficient of 400 or more at a wavelength of 360 to 450 nm. .
- the molar extinction coefficient in the above absorption wavelength range is 200 or more or 400 or more means that there are portions in this wavelength region where the molar extinction coefficient is 200 or more or 400 or more, respectively. And need not be greater than 200 or greater than 400 over the entire range.
- the content of this photopolymerization initiator in the present invention is usually from 0.01 to 20% by weight, preferably from 0.1 to 20% by weight, in the ultraviolet-curable adhesive composition. It is preferably about 0.5 to 20% by weight, more preferably about 0.5 to 10% by weight.
- These photopolymerization initiators may be used singly or as a mixture of two or more at an arbitrary ratio. As long as the above conditions are satisfied, another polymerization initiator may be used in combination.
- photopolymerization initiators having a molar extinction coefficient of 200 or more at a wavelength of 360 nm or more include, for example, Michler's ketone, camphorquinone, 2-methyl-1- (4-methylthiophenenyl) -12- ( 4 1 morphonyl) 1 1 1 propanone, 2-benzyl-2-dimethylamino 1- (4-morpholinophenyl) butanone 1 2-cyclothioxanthone, 2,4-dimethylthioxanthone, 2,4-diisopropylthioxanthone, isopropylthioxanthone, 2,4,6-trimethylbenzoyldiphenyl phosphoxide, bis (2,6-dimethyl) (2,4,4-trimethylpentylphosphinoxide), (1-16-1 cumene) (1-cyclopentagenenyl) iron (1+) hexafluorophosphoric acid (11) be able to.
- a photopolymerization initiator having a molar extinction coefficient of not less than 200 at a wavelength of 360 to 400 nm for example, 2-methyl-1- (4-methylthiophenidyl) -12- ( 4-morphonyl) 1 1 1-propanone, 2-benzyl 2-dimethylamino-1- (4-morpholinofinyl) butanone 1,1,2-clothioxanthone, 2,4-dimethylthioxanthone, 2,4-diisopropylthio Xanthone, isopropyl thioxanthone, 2,4,6-trimethylbenzoyldiphenylphosphinoxide, bis (2,6-dimethoxybenzoyl) -1,2,4,4-trimethylpentylphosphonoxide, (1 — 6— 7? —Cumene) (monocyclopentagenyl) iron (1+) hexafluorophosphoric acid (111) and the like.
- the photopolymerization initiator used in the present invention may have a molar absorption coefficient of at least 400 at a wavelength of 360 to 450 nm.
- preferred initiators are compounds having a molar extinction coefficient of 500 or more at a wavelength of 360 to 450 nm, for example, mirabazoketone, 2-benzyl-12-dimethylamino-1- (4-1 Morpholinophenyl) 1-, 2-chlorothioxanthone, 2,4-chlorothioxanthone, 2,4-diisopropylthioxanthone, isopropylthioxanthone, 2,4,6-trimethylbenzoyldiphenylphosphinoxide And bis (2,6-dimethoxybenzoyl) -1,2,4,4-trimethylpentylphosphinoxide.
- a compound having a molar extinction coefficient of 10000 or more at a wavelength of 360 to 450 nm for example, Michler's ketone, 2-benzyl-1-2-dimethylamino-1-((4-morpholinophenyl) ) Butanone-1,2-clothioxanthone, 2,4-getylthioxanthone, 2,4-diisopropylthioxanthone, isopropylthioxanthone, bis (2,6-dimethoxybenzoyl) -1,2,4,4-trimethylpentylphosphite And the like.
- a photopolymerization initiation aid such as amines may be used in combination.
- photopolymerization initiation aids such as amines include 2-dimethylaminoethylbenzoate, dimethylaminoacetophenone, p-dimethylaminobenzoate, p-dimethylaminobenzoate and the like.
- the amount of the photopolymerization initiation aid is preferably about 0 to 15% by weight, more preferably about 0 to 10% by weight in the composition.
- the ultraviolet-curable adhesive composition of the present invention contains an ultraviolet-curable compound in addition to the above-mentioned photopolymerization initiator.
- the ultraviolet curable compound include a monomer having one or more (meth) acryloyl groups in a molecule.
- oligomers can be used in combination.
- Monomers having one or more (meth) acryloyl groups in the molecule include monofunctional acrylic monomers having one (meth) acryloyl group in the molecule and two or more (meth) acryloyl groups in the molecule. Polyfunctional acrylic monomers having a group are mentioned.
- Examples of the monofunctional acrylic monomer include an acrylic monomer having a ring structure such as an aliphatic ring, an aromatic ring, and a heterocyclic ring, and an aliphatic acrylate having a hydroxyl group.
- acrylic monomer having a ring structure such as an aliphatic ring, an aromatic ring, and a heterocyclic ring
- examples of the acrylic monomer having a ring structure include, for example, tricyclodecane (meth) acrylate, dicyclopentenyl (meth) acrylate, and isobornyl (meth) acrylate.
- these alkylenoxide modified products can also be used.
- a modified product of alkylene oxide having 2 to 3 carbon atoms is preferable, and examples thereof include dicyclopentenyloxyshethyl (meth) acrylate and phenyloxyshethyl (meth) acrylate.
- the aliphatic acrylate having a hydroxyl group for example, an acrylate having a hydroxyl group bonded to an aliphatic group having 2 to 9 carbon atoms is preferable, and an aliphatic group having 2 to 4 carbon atoms is preferable.
- An acrylate compound having a hydroxyl group bonded thereto is more preferable.
- the aliphatic acrylate may have a substituent such as a phenoxy group bonded thereto.
- Examples of the aliphatic acrylate having a hydroxyl group include 2-hydroxyethyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, and 2-hydroxy-13-phenoxy. And cipropyl (meth) acrylate.
- acrylic monomers particularly preferred for maintaining viscosity, wet heat resistance, and adhesiveness include, for example, phenyloquinethyl (meth) acrylate, tricyclodecane (methacrylic acid). ) Acrylate, isobornyl (meth) acrylate, tetrahydrofurfurinole (meth) acrylate, morpholine acrylate, 2-hydroxyquinethyl (meth) acrylate, 2-hydroxy-3-phenylpropyl (meth) acrylate And the like.
- Polyfunctional acrylic monomers are classified into bifunctional acrylic monomers and trifunctional or higher acrylic monomers.
- bifunctional acrylic monomer examples include an aliphatic diol acrylate compound having 4 to 9 carbon atoms, an alkylene oxide type acrylic monomer, and an acrylyl monomer having a ring structure.
- Examples of the aliphatic diol acrylate compound having 4 to 9 carbon atoms include neopentylglycoldi (meth) acrylate, 1,6-hexanedioldi (meth) acrylate, and the like.
- the aliphatic diol acrylate compound may be modified with an aliphatic ester or an alkylene oxide.
- Examples of the aliphatic ester-modified acrylate compound include neopentyl glycol hydroxyvivalate di (meth) acrylate, and force-prolactone-modified neopentyl glycol hydroxypivalate di (meth) acrylate.
- alkylene oxide-modified acrylate compound examples include diethylene oxide-modified neopentyl glycol di (meth) acrylate, dipropylene oxide-modified neopentyl glycol di (meth) acrylate, and diethylene oxide-modified 1,6-hexanediol.
- alkylene oxide type acrylic monomer examples include neopentyl glycol-modified trimethylolpropane di (meth) acrylate, polyethylene glycol di (meth) acrylate, and polypropylene glycol (meth) acrylate.
- acrylic monomer having a ring structure examples include tricyclodecane dimethylol di (meth) acrylate, dicyclopentanyl di (meth) acrylate, and the like.
- trifunctional or higher-functional acrylic monomers examples include trimethylolpropane tri (meth) acrylate, pen erythritol tri (meth) acrylate, and aliphatic modified dipentaerythritol penta (meth) acrylate having 2 to 5 carbon atoms.
- Aliphatic modified dipentaerythritol tetra (meth) acrylate having 2 to 5 carbon atoms dipentyl erythritol penta (meth) acrylate, dipentaerythritol hexa (meth) acrylate, diproerythone modified dipentaerythritol hexa (meta) )
- Atharylate pentaerythritol tetra (meth) acrylate, tris [(meth) acrylate mouth ixeshtil] isocyanurate, modified lactoprolactone tris [(meth) acryloxyshetyl] isocyanurate, ditrimethylol Mouth Pantetora (meth) Akurireto the like.
- polyfunctional acrylic monomers particularly preferable ones for maintaining the viscosity, moisture and heat resistance and adhesiveness include bifunctional acrylic monomers such as neopentyl glycol di (meth) acrylate, 6-Hexanediol di (meth) acrylate or other aliphatic diol acrylate compound having 4 to 9 carbon atoms, neopentyl glycol hydroquinine bivalate di (meth) acrylate, N-prolactone-modified neopentyl glycol hydroxy Aliphatic ester-modified aliphatic diol acrylates, such as di (meth) acrylate, are examples of acrylic monomers having three or more functions.
- dipentaerythritol penta (meth) acrylate, dipentaerythritol hexyl ( Meta) acrylate, tris [(meta Akuri port Kishechiru] Isoshianureto include force Puroraku tons modified tris [(meth) ⁇ chestnut Loki Chez chill] Isoshianureto.
- the amount of these monomers to be used is usually preferably about 5 to 90% by weight in the composition. Even if these monomers are used alone, two or more may be mixed in any ratio You may use it. From the viewpoint of viscosity, it is preferable to use a monofunctional acrylic monomer or a bifunctional acrylic monomer, and a trifunctional or higher functional acrylic monomer is used as necessary.
- an oligomer can be used in the adhesive composition of the present invention.
- the oligomer that can be used in the present invention is preferably one that is soluble in a monomer, and one that has two or more (meth) acryloyl groups in the molecule.
- examples of such oligomers include epoxy (meth) acrylate, polyester (meth) acrylate, and urethane (meth) acrylate.
- the usage ratio of the monomer and the oligomer is preferably 20 to 100 wZw%, more preferably 20 to 95 w / w%, and still more preferably 50 to 95 wZw%. It is preferably 0 to 80 wZw%, more preferably 5 to 80 wZw%, and still more preferably 5 to 50 wZw%. Further, if necessary, a high molecular polymer, an additive, and the like can be used.
- Epoxy (meth) acrylate is obtained by reacting an epoxy resin with (meth) acrylinoleic acid.
- the epoxy resin include a bisphenol-type epoxy resin such as a bisphenol A-type epoxy resin, a bisphenol F-type epoxy resin, and a novolak-type epoxy resin.
- the bisphenol A type epoxy resin include, for example, Epikoto 828 (trade name), Epikote 1001 (trade name), Epikoto 100 (trade name) manufactured by Yuka Shell Epoxy Co., Ltd.
- bisphenol F-type epoxy resins include, for example, Epikoto 400 P (trade name), Epikoto 400 P (trade name), and Epikoto 40, manufactured by Yuka Seal Epoxy. 0 3 P (product name).
- the novolak type epoxy resin include, for example, Epikoto 152 (trade name) and Epikoto 154 (trade name) manufactured by Yuka Seal Epoxy Co., Ltd.
- Polyester (meth) acrylate is obtained by the reaction of polyester polyol with (meth) acrylic acid.
- Polyester polyol is obtained by reacting a polyhydric alcohol with a polybasic acid.
- Polyhydric alcohols include, for example, neopentyl glycol, ethylene glycol, propylene glycol, 1,6-hexane Examples thereof include sundiol, trimethylolpropane, pennin erythritol, tricyclodecanedimethylol, and bis (hydroxymethyl) cyclohexane.
- polybasic acids include succinic acid, phthalic acid, hexahydrophthalic anhydride, telephthalic acid, adipic acid, azelaic acid, tetrahydrophthalic anhydride and the like.
- Urethane (meth) acrylate can be obtained by the reaction of a polyol with an organic polyisocyanate and a hydroxy (meth) acrylate compound, or can be obtained by using an organic polyisocyanate and a hydroxy (meth) acrylate without using a polyol.
- Examples include those obtained by a two-part reaction with a compound.
- the polyol include polyether polyols such as polypropylene glycol and polytetramethylene glycol; polyester polyols obtained by the reaction of the polyhydric alcohol with the polybasic acid; And the like.
- Polycaprolactone polyol obtained by the reaction with tonol and polycarbonate polyol for example, polycarbonate polyol obtained by the reaction of 1,6-hexanediol and difluorocarbonate
- organic polyisocyanate examples include isophorone diisocyanate, hexamethylene diisocyanate, tolylene diisocyanate, xylene diisocyanate, diphenyl methane 1,4'-diisocyanate, and zinc dipentyl diisocyanate.
- the product obtained by the reaction of the three or the product obtained by the reaction of the two may be used alone or in combination.
- epoxy (meth) acrylate and urethane (meth) acrylate are particularly preferable for maintaining the viscosity, heat and moisture resistance and adhesiveness.
- oligomers may be used singly or as a mixture of two or more at an arbitrary ratio.
- the amount used is usually preferably about 0 to 70% by weight in the composition.
- a polyester polymer if necessary, for example, a polyester polymer, a polycarbonate resin, a polyacryl resin, a polyurethane resin, a polyvinyl resin, or the like can be added as a polymer.
- Ring agent polymerization Additives such as inhibitors, leveling agents, surface lubricants, defoamers, light stabilizers, antioxidants, antistatic agents, and fillers can also be used in combination.
- silane coupling agent examples include an alkyl type, an amine type, a (meth) acrylate type, an isocyanate type, an epoxy type, and a thiol type.
- the amount of the silane coupling agent used is about 0 to 10% by weight in the composition.
- the polymerization inhibitor examples include methoquinone and methylhydroquinone.
- the amount of the polymerization inhibitor used is about 0 to 1% by weight in the composition.
- the leveling agent, surface lubricant, and defoaming agent examples include organic polymer, silicon, and fluorine.
- antioxidant examples include hindered amines, hindered phenols, and polymer phenols.
- the amounts of these leveling agents, surface lubricants, defoamers, and antioxidants used are about 0 to 5% by weight in the composition.
- the antistatic agent include quaternary ammonium-based, polyether-based, and conductive powder. The use amount of this antistatic agent is about 0 to 30% by weight in the composition.
- the filler include silica gel, titanium oxide, alumina, and conductive powder. The amount of the filler used is about 0 to 70% by weight in the composition. The amount of these additives used is appropriately determined within the above range according to the purpose.
- the adhesive composition of the present invention can be obtained by mixing and dissolving or dispersing the above components at room temperature to 80 ° C.
- the adhesive composition of the present invention is usually used as a mixture (solution or dispersion, etc.) of each of the above components as needed. (For example, to adjust the viscosity of the composition and to ensure smoothness after application) It may be used by dissolving or dispersing it in an organic solvent.
- organic solvent examples include toluene, xylene, methyl ketone, isopropanol, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether, diethylene glycol monobutyl ether acetate, diethylene glycol monodimethyl ether, and the like.
- the amount used is appropriately determined according to the purpose.
- the cured product of the adhesive composition of the present invention can be obtained by irradiating a light beam such as an ultraviolet ray or a visible light laser in a conventional manner.
- a light beam such as an ultraviolet ray or a visible light laser
- the curing of the adhesive composition of the present invention by irradiation with light such as ultraviolet rays is specifically performed by using a low-pressure or high-pressure mercury lamp, a metal halide lamp, or the like. UV irradiation using a lamp, xenon lamp or the like.
- a lamp having a high energy intensity of 360 nm to 450 nm is preferable as the light source.
- the adhesive composition of the present invention is particularly useful as an adhesive between opaque substrates having a total linear transmittance of 0.01% to 20% at a wavelength of 280 nm or more and 380 nm or less. It is. Of course, the present invention can be applied to a case where one is a transparent substrate and the other is an opaque substrate. Particularly suitable substrates include substrates for optical disks.
- the ultraviolet-curable adhesive composition of the present invention has a thickness of 1 to 50 m on a non-transparent substrate, using a coating device such as a roll coater, a spin coater, and a screen printing method.
- the adhesive composition of the present invention is prepared, stored, applied, and handled in an environment in which visible light and near-ultraviolet rays are blocked, and in particular an environment in which rays of 500 nm or less are blocked.
- the opaque substrate examples include a substrate obtained by adding or dispersing a dye, a pigment, a filler, or the like to a resin such as a polyvinyl resin, a polycarbonate resin, a polyacryl resin, and an amorphous (amorphous) polyolefin resin, and an optical disk substrate.
- a resin such as a polyvinyl resin, a polycarbonate resin, a polyacryl resin, and an amorphous (amorphous) polyolefin resin
- the substrate examples include a substrate having an inorganic sputtered film, particularly a metal sputtered film formed on the surface of the resin, and a substrate having a radiation-curable protective film formed on the inorganic sputtered film, particularly a metal sputtered film.
- the substrate may be a plate or a film.
- Articles having a cured product of the ultraviolet-curable adhesive composition of the present invention as an adhesive layer include, for example, information recording media, particularly DVD (digital video (or versatile) disc), MO (magneto-optical disc), PD (phase change High-density information recording media represented by optical disks such as optical disks).
- information recording media particularly DVD (digital video (or versatile) disc), MO (magneto-optical disc), PD (phase change High-density information recording media represented by optical disks such as optical disks).
- the resin component was stirred and dissolved at 60 ° C for 1 hour. Thereafter, a polymerization initiator and the like were added to prepare UV-curable adhesives of Examples 1 to 5 (the present invention) and Examples 6 to 9 (comparative).
- two opaque substrates (aluminum-deposited polycarbonate plates with a total line transmittance of 0.05% at 280 nm or more and 380 nm or less) are applied.
- the composition was adhered so that the thickness became about 10 m, and the composition was cured with a curing device having a high-pressure mercury lamp (8 OW / cm). Thereafter, the adhered substrate was separated, and the state of the surface was observed to evaluate the curability.
- Table 1 the resin component was stirred and dissolved at 60 ° C for 1 hour. Thereafter, a polymerization initiator and the like were added to prepare UV-curable adhesives of Examples 1 to 5 (the present invention) and Examples 6 to 9 (comparative).
- two opaque substrates aluminum
- EPA-1 Bisphenol type epoxy acrylate (Nippon Kayaku Co., Ltd.)
- UX-6101 Polyester urethane acrylate (Nippon Kayaku Co., Ltd.)
- UX-4101 Polyester type Receptacle (manufactured by Nippon Kayaku Co., Ltd.)
- M-315 Tris (acryloxyshethyl) isocyanurate (manufactured by Toagosei Co., Ltd.)
- HDDA 1,6-hexanediol diacrylate (Nippon Kayaku Co., Ltd.)
- R-561 Phenyloxyshethyl acrylate (Nippon Kayaku Co., Ltd.)
- TC-101 Tetrahydrofurfuryl acrylate (Nippon Kayaku Co., Ltd.)
- BP—100 Benzophenone (Nippon Kayaku Co., Ltd., photopolymerization initiator, absorption wavelength: 360 nm, Molar extinction coefficient: 50 or less)
- DETX 2,4-diethylthioxanthone (Nippon Kayaku Co., Ltd. photopolymerization initiator, absorption wavelength: 360 nm, molar extinction coefficient: more than 300,000)
- Irg-184 1-hydroxycyclohexyl phenyl ketone (photopolymerization initiator manufactured by Ciba Geigy Co., Ltd., absorption wavelength: 360 nm, molar extinction coefficient: 50 or less)
- Irg-369 2-benzyl 2-dimethylamino-1- (4-morpholino fuunil) butanone-1) (Photopolymerization initiator, absorption wavelength: 360 nm, mole, manufactured by Ciba Geigy Corporation) Absorption coefficient: 3000)
- Irg-1800 A mixture of Irg-184 and bis (2,6-dimethoxybenzoyl) -2,4,4_trimethylpentylphosphinoxide (a photopolymerization initiator manufactured by Ciba Geigy Co., Ltd. Absorption wavelength: 360 nm, molar extinction coefficient: 1800)
- TPO 2,4,6-trimethylbenzoyldiphenylphosphinoxide (photopolymerization initiator manufactured by BASF, absorption wavelength: 38 O nm, molar extinction coefficient: 580 )
- DMB I Isoamyl p-dimethylaminobenzoate (Nippon Kayaku Co., Ltd. photopolymerization initiator)
- the ultraviolet-curable adhesive composition of the present invention can be used for bonding opaque substrates having a total linear transmittance of 0.01% to 20% in a wavelength range of 28 to 180 nm. It can be cured and is extremely useful, for example, for bonding substrates for optical discs from the viewpoints of substrate adhesion, protection, and productivity.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960707324A KR100491543B1 (ko) | 1995-04-28 | 1996-04-25 | 자외선경화형접착제조성물 |
EP96912241A EP0768353A4 (en) | 1995-04-28 | 1996-04-25 | ULTRAVIOLET CURABLE ADHESIVE COMPOSITION |
KR1019970709718A KR100491544B1 (ko) | 1996-04-25 | 1997-04-24 | 자외선경화형접착제조성물및물품 |
PCT/JP1997/001445 WO1997040115A1 (fr) | 1996-04-25 | 1997-04-24 | Composition adhesive a sechage aux u.v. et article correspondant |
CN97190701A CN1132889C (zh) | 1996-04-25 | 1997-04-24 | 紫外线固化性粘合剂组合物及其物品 |
DE69736582T DE69736582T2 (de) | 1996-04-25 | 1997-04-24 | Uv-härtbare klebstoffzusammensetzung und gegenstand |
ES97919689T ES2267139T3 (es) | 1996-04-25 | 1997-04-24 | Composicion adhesiva curable por ultravioleta y articulo. |
EP97919689A EP0835917B1 (en) | 1996-04-25 | 1997-04-24 | Ultraviolet-curing adhesive composition and article |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12740795 | 1995-04-28 | ||
JP7/127407 | 1995-04-28 | ||
JP7/141429 | 1995-05-17 | ||
JP14142995 | 1995-05-17 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17032098A Division | 1995-04-28 | 1998-10-13 | |
US09/569,668 Continuation US6294239B1 (en) | 1995-04-28 | 2000-05-12 | Ultraviolet-curable adhesive composition |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996034065A1 true WO1996034065A1 (fr) | 1996-10-31 |
Family
ID=26463376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/001134 WO1996034065A1 (fr) | 1995-04-28 | 1996-04-25 | Composition adhesive durcissable aux ultraviolets |
Country Status (6)
Country | Link |
---|---|
US (1) | US6294239B1 (ja) |
EP (1) | EP0768353A4 (ja) |
KR (1) | KR100491543B1 (ja) |
CN (1) | CN1076378C (ja) |
TW (1) | TW330945B (ja) |
WO (1) | WO1996034065A1 (ja) |
Cited By (1)
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---|---|---|---|---|
US6337118B1 (en) | 1998-08-20 | 2002-01-08 | Jsr Corporation | Adhesive for optical disks |
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JPH06228217A (ja) * | 1992-11-12 | 1994-08-16 | Japan Synthetic Rubber Co Ltd | 光硬化性組成物 |
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-
1996
- 1996-04-25 KR KR1019960707324A patent/KR100491543B1/ko not_active IP Right Cessation
- 1996-04-25 EP EP96912241A patent/EP0768353A4/en not_active Withdrawn
- 1996-04-25 TW TW085105031A patent/TW330945B/zh not_active IP Right Cessation
- 1996-04-25 CN CN96190410A patent/CN1076378C/zh not_active Expired - Lifetime
- 1996-04-25 WO PCT/JP1996/001134 patent/WO1996034065A1/ja active Application Filing
-
2000
- 2000-05-12 US US09/569,668 patent/US6294239B1/en not_active Expired - Fee Related
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JPH0415280A (ja) * | 1990-05-10 | 1992-01-20 | Toagosei Chem Ind Co Ltd | 光硬化型接着剤 |
JPH05345790A (ja) * | 1991-09-23 | 1993-12-27 | Ciba Geigy Ag | アルキルビスアシルホスフインオキシド |
JPH05125330A (ja) * | 1991-11-08 | 1993-05-21 | Toagosei Chem Ind Co Ltd | 光硬化型接着剤 |
JPH06228217A (ja) * | 1992-11-12 | 1994-08-16 | Japan Synthetic Rubber Co Ltd | 光硬化性組成物 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6337118B1 (en) | 1998-08-20 | 2002-01-08 | Jsr Corporation | Adhesive for optical disks |
Also Published As
Publication number | Publication date |
---|---|
US6294239B1 (en) | 2001-09-25 |
CN1152330A (zh) | 1997-06-18 |
EP0768353A4 (en) | 1998-10-14 |
CN1076378C (zh) | 2001-12-19 |
KR100491543B1 (ko) | 2005-12-29 |
EP0768353A1 (en) | 1997-04-16 |
TW330945B (en) | 1998-05-01 |
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