WO2014203786A1 - 多官能(メタ)アクリレート、及びその製造方法 - Google Patents
多官能(メタ)アクリレート、及びその製造方法 Download PDFInfo
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- WO2014203786A1 WO2014203786A1 PCT/JP2014/065489 JP2014065489W WO2014203786A1 WO 2014203786 A1 WO2014203786 A1 WO 2014203786A1 JP 2014065489 W JP2014065489 W JP 2014065489W WO 2014203786 A1 WO2014203786 A1 WO 2014203786A1
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- 0 *CC(OC(C(CC1C2C3)OC(C(*)=C)=O)C1*3CC2OC(C(*)=C)[U])=O Chemical compound *CC(OC(C(CC1C2C3)OC(C(*)=C)=O)C1*3CC2OC(C(*)=C)[U])=O 0.000 description 3
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
- C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
- C07C69/54—Acrylic acid esters; Methacrylic acid esters
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
- C07C67/26—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
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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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/56—Ring systems containing bridged rings
- C07C2603/58—Ring systems containing bridged rings containing three rings
- C07C2603/60—Ring systems containing bridged rings containing three rings containing at least one ring with less than six members
- C07C2603/66—Ring systems containing bridged rings containing three rings containing at least one ring with less than six members containing five-membered rings
- C07C2603/68—Dicyclopentadienes; Hydrogenated dicyclopentadienes
Definitions
- the present invention relates to a novel compound having two or more (meth) acryloyl groups on a bridged cyclic carbocycle and a method for producing the same.
- a polymer obtained by polymerizing the novel compound is useful as a glass substitute material.
- Active energy ray polymerizable compounds include various (meth) acrylates, waveguides (optical waveguides, etc.), mixed substrates, optical fibers, stress relaxation adhesives, sealants, underfills, inkjet inks, color filters It is widely used for nanoimprints, flexible substrates, etc.
- polyfunctional (meth) acrylates having a bridged cyclic carbocyclic skeleton are particularly harder and more durable than glass, and are about half as light as glass. Since it can be attached to injection molding, it has a high degree of freedom in shape, and can be molded integrally with multiple members, contributing to improvements in vehicle design and productivity. For example, it is expected to be used as glazing for automobiles such as windshields, high-hardness hard coat films for portable communication devices or portable information devices, optical sheets, and the like.
- polyfunctional (meth) acrylates having a bridged cyclic carbocyclic skeleton for example, tricyclodecanediol di (meth) acrylate, tricyclodecane dimethanol di (meth) acrylate, etc. are cured products having excellent hardness and durability.
- Patent Document 1 a monomer capable of forming a cured product having even more excellent hardness and durability.
- tricyclodecanediol di (meth) acrylate is difficult to synthesize, and furthermore, the introduction rate of functional groups for imparting hardness and durability is low, which is not practical. Therefore, at present, no monomer has been found that can be efficiently produced by a simple method and can form a cured product having excellent hardness and durability by polymerization.
- the present inventors have found that one or two carbon-carbon single bonds constituting tricyclo [5.2.1.0 2,6 ] decane are carbon-carbon double bonds.
- the carbon-carbon double bond is epoxidized to form an epoxy group, and the epoxy group is further (meth) acrylated by a simple method of tricyclo [5.2.1.0 2 , 6 ] that a compound having 2 to 4 (meth) acryloyl groups in the decane ring can be selectively produced, a compound obtained by the above production method, tricyclo [5.2.1.0 2,6 ]
- a mixture containing a compound having one or two (meth) acryloyl groups in the decane ring in a specific ratio can form a cured product having excellent hardness and durability by polymerization.
- the present invention has been completed based on these findings.
- the present invention also provides the following formula (2): (In the formula, ring Z 2 formed one epoxy group by bonding two adjacent carbon atoms constituting the tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom. A ring, and R represents a hydrogen atom or a methyl group) Or a compound represented by the following formula (3) (In the formula, ring Z 3 is an epoxy group formed by bonding two adjacent carbon atoms constituting a tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom, respectively. Two rings formed) The above-mentioned mixture obtained by reacting the compound represented by (meth) acrylic acid is provided.
- the present invention also provides the following formula (1 ′) (In the formula, ring Z 1 represents a tricyclo [5.2.1.0 2,6 ] decane ring, and R represents a hydrogen atom or a methyl group) And a di (meth) acrylate compound represented by the following formula (4) (In the formula, ring Z 4 is a ring in which one of carbon-carbon single bonds constituting a tricyclo [5.2.1.0 2,6 ] decane ring is a carbon-carbon double bond, and R is hydrogen.
- the present invention also provides the above mixture, wherein the Lewis acid catalyst is a boron trifluoride diethyl ether complex.
- the present invention also provides the following formula (2): (In the formula, ring Z 2 formed one epoxy group by bonding two adjacent carbon atoms constituting the tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom. A ring, and R represents a hydrogen atom or a methyl group) Or a compound represented by the following formula (3) (In the formula, ring Z 3 is an epoxy group formed by bonding two adjacent carbon atoms constituting a tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom, respectively.
- the present invention also provides the following formula (4): (In the formula, ring Z 4 is a ring in which one of carbon-carbon single bonds constituting a tricyclo [5.2.1.0 2,6 ] decane ring is a carbon-carbon double bond, and R is hydrogen. Represents an atom or a methyl group) A compound represented by the formula (2) is reacted with a peracid. (In the formula, ring Z 2 formed one epoxy group by bonding two adjacent carbon atoms constituting the tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom. A ring and R is the same as above) And a method for producing the polyfunctional (meth) acrylate compound, in which the compound represented by the formula (2) and (meth) acrylic acid obtained are reacted.
- the present invention also provides the following formula (5):
- ring Z 5 is a ring in which two carbon-carbon single bonds constituting the tricyclo [5.2.1.0 2,6 ] decane ring are carbon-carbon double bonds
- a compound represented by the formula (3) is reacted with a peracid.
- ring Z 3 is an epoxy group formed by bonding two adjacent carbon atoms constituting a tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom, respectively. Two rings formed
- a method for producing the polyfunctional (meth) acrylate compound, in which the compound represented by the formula (3) and (meth) acrylic acid obtained are reacted.
- the present invention also provides a polymer having a monomer unit derived from the polyfunctional (meth) acrylate compound.
- the present invention also provides a high-hardness hard coat agent comprising the polyfunctional (meth) acrylate compound or the mixture.
- the present invention also provides a cured product obtained by curing the high-hardness hard coat agent.
- the polyfunctional (meth) acrylate compound of the present invention is also useful as a functional monomer precursor.
- the polyfunctional (meth) acrylate compound of the present invention includes compounds represented by the following formulas (1-a) to (1-k) (including stereoisomers such as endo isomer and exo isomer).
- R in a following formula may be the same, and may differ.
- the polyfunctional (meth) acrylate compound of the present invention has the following formula (2): (In the formula, ring Z 2 formed one epoxy group by bonding two adjacent carbon atoms constituting the tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom. A ring, and R represents a hydrogen atom or a methyl group) Or a compound represented by the following formula (3) (In the formula, ring Z 3 is an epoxy group formed by bonding two adjacent carbon atoms constituting a tricyclo [5.2.1.0 2,6 ] decane ring to one oxygen atom, respectively. Two rings formed) (Meth) acrylic acid can be made to react and the epoxy group can be (meth) acrylated and manufactured.
- the ring Z 2 is a ring in which two adjacent carbon atoms constituting the tricyclo [5.2.1.0 2,6 ] decane ring are bonded to one oxygen atom to form one epoxy group. Examples thereof include rings (including stereoisomers) represented by the following formulas (2-1) and (2-2).
- the ring Z 3 forms two epoxy groups by combining two adjacent carbon atoms constituting a tricyclo [5.2.1.0 2,6 ] decane ring with one oxygen atom.
- Examples thereof include a ring (including stereoisomers) represented by the following formula (3-1).
- it can be produced by reacting about 1 to 10 moles of (meth) acrylic acid.
- the compound represented by the formula (2) and an excess amount of (meth) acrylic acid can be charged and reacted for about 1 to 20 hours.
- it can be produced by reacting about 2 to 10 moles of (meth) acrylic acid.
- the compound represented by the formula (2) and an excess amount of (meth) acrylic acid can be charged and reacted for about 1 to 20 hours.
- it can be produced by reacting about 1 to 20 moles of (meth) acrylic acid.
- the compound represented by the formula (3) and an excess amount of (meth) acrylic acid can be prepared and reacted for about 1 to 20 hours.
- it can be produced by reacting about 2 to 10 moles of (meth) acrylic acid.
- the compound represented by the formula (3) and an excess amount of (meth) acrylic acid can be prepared and reacted for about 1 to 20 hours.
- the above reaction is preferably performed in the presence of a polymerization inhibitor.
- the polymerization inhibitor include hydroquinone, hydroquinone monomethyl ether, phenothiazine, 4,4′-thiobis (6-t-butyl-m-cresol), 4,4′-butylidenebis (6-t-butyl-m-cresol). ), 1,1,3-tris (5-t-butyl-4-hydroxy-2-methylphenyl) butane, p-methoxyphenol, 6-t-butyl-2,4-xylenol and the like. These can be used individually by 1 type or in combination of 2 or more types.
- the amount of the polymerization inhibitor used is, for example, about 0.001 to 0.5 mol, preferably 0.005 to 0, per 1 mol of the polyfunctional (meth) acrylate compound represented by the formula (1) to be generated. .1 mole. If the amount of the polymerization inhibitor used is less than the above range, a sufficient polymerization inhibition effect may not be obtained. On the other hand, when the usage-amount of a polymerization inhibitor exceeds the said range, there exists a possibility of having a bad influence on the physical property of a product.
- the polymerization reaction can be suppressed by allowing a component containing molecular oxygen (for example, oxygen diluted with air, nitrogen, etc.) to coexist in the reaction system.
- a component containing molecular oxygen for example, oxygen diluted with air, nitrogen, etc.
- the reaction is preferably performed in a molecular oxygen-containing gas atmosphere.
- the oxygen concentration is appropriately selected in consideration of safety.
- the above reaction is preferably performed at a temperature of 130 ° C. or lower (eg, 50 ° C. to 130 ° C.). When the reaction temperature is below the above range, a sufficient reaction rate may not be obtained. On the other hand, when the reaction temperature exceeds the above range, the radical polymerization reaction by heat proceeds, and the double bond portion may be cross-linked and gelled.
- Bases include organic and inorganic bases.
- the organic base include tertiary amines such as triethylamine and N-methylpiperidine; nitrogen atom-containing aromatic heterocyclic compounds such as pyridine; alkali metal alkoxides such as sodium methoxide; sodium acetate and (meth) acrylic acid
- An organic acid alkali metal salt such as potassium can be used.
- the inorganic base include simple alkali metals such as sodium; alkali metal hydroxides such as sodium hydroxide; alkali metal carbonates such as sodium carbonate; and alkali metal hydrogen carbonates such as sodium hydrogencarbonate. it can. These can be used alone or in combination of two or more.
- an alkali metal alone or an organic acid alkali metal salt it is preferable to use an alkali metal alone or an organic acid alkali metal salt.
- the amount of the base to be used is, for example, about 0.001 to 0.5 mol, preferably 0.01 to 0.4 mol, per 1 mol of the compound represented by formula (2) or formula (3). A large excess of base can also be used.
- the above reaction may be performed in the presence of a solvent.
- the solvent is not particularly limited as long as it does not inhibit the progress of the reaction.
- aromatic hydrocarbons such as toluene and benzene
- aliphatic hydrocarbons such as hexane
- alicyclic hydrocarbons such as cyclohexane
- esters such as ethyl acetate. These can be used individually by 1 type or in mixture of 2 or more types.
- the reaction can be carried out by any method such as batch, semi-batch and continuous methods.
- the reaction product can be separated and purified by, for example, separation / purification means such as filtration, concentration, distillation, extraction, crystallization, recrystallization, adsorption, column chromatography, or a combination of these.
- the compound represented by the above formula (2) is, for example, the following formula (4): (In the formula, ring Z 4 is a ring in which one of carbon-carbon single bonds constituting a tricyclo [5.2.1.0 2,6 ] decane ring is a carbon-carbon double bond, and R is hydrogen. Represents an atom or a methyl group) Can be produced by epoxidizing the carbon-carbon double bond of the compound represented by the formula (4).
- the compound represented by the above formula (3) is, for example, the following formula (5): (In the formula, ring Z 5 is a ring in which two carbon-carbon single bonds constituting the tricyclo [5.2.1.0 2,6 ] decane ring are carbon-carbon double bonds) Can be produced by epoxidizing the carbon-carbon double bond of the compound represented by the formula (5).
- the ring Z 4 is a ring in which one of the carbon-carbon single bonds constituting the tricyclo [5.2.1.0 2,6 ] decane ring is a carbon-carbon double bond. -1) and ring represented by (4-2) (including stereoisomers).
- the ring Z 5 is a ring in which two of the carbon-carbon single bonds constituting the tricyclo [5.2.1.0 2,6 ] decane ring are carbon-carbon double bonds. -1) (including stereoisomers).
- peracid for example, performic acid, peracetic acid, perbenzoic acid, metachloroperbenzoic acid, trifluoroperacetic acid and the like can be used. These can be used alone or in combination of two or more.
- the amount of peracid to be used is, for example, about 0.5 to 6 mol, preferably 1 to 3 mol, relative to 1 mol of the carbon-carbon double bond in the compound represented by formula (4) or formula (5). It is.
- the above reaction may be performed in the presence of a solvent.
- the solvent is not particularly limited as long as it does not inhibit the progress of the reaction.
- aromatic hydrocarbons such as toluene and benzene
- aliphatic hydrocarbons such as hexane
- alicyclic hydrocarbons such as cyclohexane
- esters such as ethyl acetate. These can be used individually by 1 type or in mixture of 2 or more types.
- the reaction atmosphere is not particularly limited as long as the reaction is not hindered, and may be, for example, a nitrogen atmosphere or an argon atmosphere.
- the reaction temperature is, for example, about minus 20 ° C. to 80 ° C., preferably 0 ° C. to 60 ° C.
- the reaction time is, for example, about 1 to 10 hours.
- the reaction can be carried out by any method such as batch, semi-batch and continuous methods.
- the reaction product can be separated and purified by, for example, separation / purification means such as filtration, concentration, distillation, extraction, crystallization, recrystallization, adsorption, column chromatography, or a combination of these.
- the compound represented by the above formula (4) can be produced by reacting the compound represented by the above formula (5) with (meth) acrylic acid.
- the amount of (meth) acrylic acid to be used is, for example, about 0.5 to 20 mol, preferably 1 to 10 mol, relative to 1 mol of the compound represented by the formula (5).
- the above reaction is preferably performed in the presence of a catalyst.
- the catalyst is generally free of, for example, anhydrous aluminum chloride, anhydrous aluminum bromide, anhydrous iron chloride, titanium tetrachloride, tin tetrachloride, zinc chloride, boron trifluoride diethyl ether complex, anhydrous boron trioxide, concentrated sulfuric acid, etc.
- Examples include Lewis acid catalysts that can be used in the Del Crafts reaction and sulfonic acids such as trifluoromethanesulfonic acid. These can be used alone or in combination of two or more.
- the amount of the catalyst used is, for example, about 0.001 to 0.5 mol, preferably 0.01 to 0.1 mol, per 1 mol of the compound represented by the formula (5).
- the above reaction is preferably performed in the presence of a polymerization inhibitor.
- the polymerization inhibitor include the same examples as described above.
- the amount of the polymerization inhibitor to be used is, for example, about 0.001 to 0.5 mol, preferably 0.005 to 0.1 mol, per 1 mol of the compound represented by the formula (4) to be generated.
- the reaction atmosphere is not particularly limited as long as the reaction is not hindered, and may be, for example, a nitrogen atmosphere or an argon atmosphere.
- the reaction temperature is, for example, about 30 to 130 ° C., preferably 40 to 120 ° C.
- the reaction time is, for example, about 0.5 to 10 hours.
- the reaction can be carried out by any method such as batch, semi-batch and continuous methods.
- the reaction product can be separated and purified by, for example, separation / purification means such as filtration, concentration, distillation, extraction, crystallization, recrystallization, adsorption, column chromatography, or a combination of these.
- the polyfunctional (meth) acrylate compound represented by the above formula (1) can be efficiently produced (yield is, for example, 80% or more).
- the polyfunctional (meth) acrylate compound represented by the formula (1) obtained by the above production method is excellent in polymerizability, either alone or other polymerizable compound (for example, the polyfunctional (meta) represented by the formula (1) And a (meth) acrylate compound other than the acrylate compound) and the like, and a polymer can be formed by polymerization by a conventional method such as solution polymerization, bulk polymerization, suspension polymerization, bulk-suspension polymerization, and emulsion polymerization. In the polymerization, a polymerization initiator or the like may be added.
- the mixture of the present invention contains a polyfunctional (meth) acrylate compound (including stereoisomers and positional isomers) represented by the above formula (1) (preferably, two or more selected from the above compounds) including).
- Mixture containing a tri (meth) acrylate compound [the sum of the contents of the hydroxydi (meth) acrylate compound and the tri (meth) acrylate compound is, for example, 50% by weight or more (preferably 70% by weight or more, particularly preferably Is preferably 80% by weight or more, most preferably 90% by weight or more and 100% by weight or less).
- the ratio of the content of the hydroxy di (meth) acrylate compound and the tri (meth) acrylate compound is, for example, 99.5: 0.5 to 60:40, preferably 99: 1. 70:30, particularly preferably 98.5: 1.5 to 80:20, most preferably 98: 2 to 90:10.
- the mixture of the present invention includes the following formula (1 ′) (In the formula, ring Z 1 represents a tricyclo [5.2.1.0 2,6 ] decane ring, and R represents a hydrogen atom or a methyl group) And a di (meth) acrylate compound represented by the following formula (4) (In the formula, ring Z 4 is a ring in which one of carbon-carbon single bonds constituting a tricyclo [5.2.1.0 2,6 ] decane ring is a carbon-carbon double bond, and R is hydrogen.
- a mixture of (meth) acrylate compounds containing a mono (meth) acrylate compound represented by [the sum of the contents of the mono (meth) acrylate compound and di (meth) acrylate compound is, for example, 50% by weight or more of the total amount of the mixture, Preferably 70% by weight or more, particularly preferably 80% by weight or more, most preferably 90% by weight or more and 100% by weight or less], and 10% by weight or more of the total (meth) acrylate compound contained in the mixture (preferably Also included are mixtures in which 15% by weight or more, particularly preferably 20% by weight or more, most preferably 25% by weight) is the di (meth) acrylate compound.
- the upper limit of the content of the di (meth) acrylate compound in the mixture is, for example, 99% by weight, preferably 90% by weight, more preferably 60% by weight, particularly preferably 50% by weight, most preferably 40% by weight, More preferably, it is 35% by weight.
- the content of the mono (meth) acrylate compound in the mixture containing the mono (meth) acrylate compound and the di (meth) acrylate compound is, for example, 10% by weight or more of the total (meth) acrylate compound contained in the mixture (preferably 20%). % By weight or more, particularly preferably 30% by weight or more, and most preferably 40% by weight). Further, the upper limit of the content of the mono (meth) acrylate compound in the mixture is, for example, 90% by weight, preferably 80% by weight, more preferably 70% by weight, still more preferably 65% by weight, particularly preferably 60% by weight, Most preferably, it is 55% by weight.
- the ratio of the content of the mono (meth) acrylate compound to the di (meth) acrylate compound in the mixture containing the mono (meth) acrylate compound and the di (meth) acrylate compound is, for example, 10: 90 to 80:20, preferably 30:70 to 80:20, more preferably 40:60 to 70:30, particularly preferably 45:55 to 70:30, most preferably 55:45 to 65:35. .
- the mixture containing the mono (meth) acrylate compound and the di (meth) acrylate compound is, for example, tricyclo [5.2.1.0 2,6 ] in the presence of a Lewis acid catalyst such as boron trifluoride diethyl ether complex.
- a Lewis acid catalyst such as boron trifluoride diethyl ether complex.
- the polyfunctional (meth) acrylate compound represented by the formula (1) of the present invention and the mixture of the present invention have the above-described configuration, they can be cured by irradiating with ultraviolet rays or the like, and have high hardness and elastic modulus. It is possible to form a cured product that has a property of having a small amount of plastic deformation work and hardly deforming. Therefore, it is useful as a raw material for high hardness hard coating agent.
- the cured product of the polyfunctional (meth) acrylate compound represented by the formula (1) of the present invention and the cured product of the mixture of the present invention are excellent in heat resistance and have a glass transition temperature (Tg) of, for example, 230 ° C. or more, preferably 240-270 ° C. Further, high hardness (Martens hardness is, for example, 300 N / mm 2 or more, preferably 350 N / mm 2 or more, and indentation hardness is, for example, 420 N / mm 2 or more, preferably 500 N / mm 2 or more, particularly preferably 550 N / mm.
- Tg glass transition temperature
- high hardness Martens hardness is, for example, 300 N / mm 2 or more, preferably 350 N / mm 2 or more
- indentation hardness is, for example, 420 N / mm 2 or more, preferably 500 N / mm 2 or more, particularly preferably 550 N / mm.
- the plastic deformation work is small (the plastic deformation work is For example, it is 3.3 ⁇ 10 ⁇ 11 N ⁇ m or less, preferably 3.0 ⁇ 10 ⁇ 11 N ⁇ m or less, particularly preferably 2.5 ⁇ 10 ⁇ 11 N ⁇ m or less), and has a property of being hardly deformed.
- the high-hardness hard coating agent of the present invention contains at least a polyfunctional (meth) acrylate compound represented by the above formula (1) as a radical polymerizable compound or the above mixture and a radical polymerization initiator.
- the content of the radical polymerization initiator is, for example, 0.1 to 10 parts by weight with respect to 100 parts by weight of the radical polymerizable compound.
- the high-hardness hard coat agent of the present invention may contain other components in addition to the above components as long as the effects of the present invention are not impaired.
- the high-hardness hard coating agent of the present invention has the above-described configuration, it can form a cured product having excellent heat resistance, high hardness and elastic modulus, small plastic deformation work, and low deformation property. it can. Therefore, it can be suitably used for a high-hardness hard coat film for mobile communication devices or portable information devices, an optical sheet, and the like.
- Example 1 Hydroquinone 0.6588 g (5.98 mmol), methacrylic acid 48.84 g (567 mmol), three fluorocarbons were added to a 300 mL four-necked flask equipped with a stirrer, thermometer, condenser, dropping funnel, air (containing 8% oxygen) bubbling vent line. 2.36 g (16.65 mmol) of boron bromide diethyl ether complex was charged. A 200 mL dropping funnel was charged with 50 g (378.19 mmol) of dicyclopentadiene and 48.84 g (567.28 mmol) of methacrylic acid, and mixed to obtain a solution.
- dicyclopentenyl monomethacrylate began to be distilled.
- the purity of dicyclopentenyl monomethacrylate was 96%, and the yield was 80%.
- the obtained mCPBA / ethyl acetate solution was charged into a dropping funnel, and after the atmosphere in the reaction system was replaced with nitrogen, the solution temperature was adjusted to 20 ° C. While maintaining the solution temperature at 20 ° C., dropping of the mCPBA / ethyl acetate solution was started, and the reaction was started. The mCPBA / ethyl acetate solution was added dropwise over 20 minutes, and the reaction was performed for 7 hours after the start of the addition.
- the purity of the epoxidized dicyclopentanyl monomethacrylate was 94%, and the yield was 86%.
- the structure of the epoxidized dicyclopentanyl monomethacrylate was confirmed by 1 H-NMR analysis and mass spectrometry (MS).
- a separatory funnel 190 g of the reaction solution and 190 g of saturated brine were added and extracted at 50 ° C. for 15 minutes.
- the lower layer liquid was extracted, and then 190 g of water and 190 g of normal heptane were added to perform extraction at room temperature. After extracting the lower layer liquid, 190 g of water was added to perform extraction again, and the lower layer liquid was extracted.
- a solution prepared by dissolving 0.1914 g of hydroquinone in 2.4 g of acetone was added to the upper layer liquid, and the mixture was concentrated at 100 ° C. under full reduced pressure with an evaporator to distill off the solvent and methacrylic acid. 61 g of a concentrated solution containing 71% by weight of hydroxydicyclopentanyl dimethacrylate and dicyclopentanyl trimethacrylate) was obtained. The above operation was repeated 4 times to synthesize a concentrated solution.
- Example 2 A liquid component (di-form and tri-form) containing 86.55 GC area% of hydroxydicyclopentanyl dimethacrylate (di form) and 4.69 GC area% of dicyclopentanyl trimethacrylate (tri form) obtained through column purification.
- a curable composition was obtained according to the formulation described in Table 2 below, and a bar coater (# 8) Is used to form a coating film of the curable composition (wet film thickness: 40 ⁇ m) and irradiated with ultraviolet rays in a nitrogen atmosphere [2 kW ⁇ 2.25 m / min, 1 pass (450 mW / cm 2 , 1000 mJ / cm 2 )] to obtain a cured product.
- a UV apparatus product number “ECS-401GX” manufactured by Eye Graphics Co., Ltd. was used for ultraviolet irradiation.
- the glass transition temperature (Tg: ° C.) of the obtained cured product was measured using a pendulum viscoelasticity measuring device (DDV).
- the obtained cured product was subjected to Martens hardness (N / mm 2 ), indentation hardness (N / mm 2 ), elastic modulus (N / mm 2 ), and plastic deformation work (N ⁇ m) using a microhardness meter. ) was measured.
- Comparative Examples 1 and 2 The same procedure as in Example 2 was performed except that the curable composition was changed to the formulation shown in Table 2 below.
- Tripropylene glycol diacrylate Trade name “TPGDA”, manufactured by Daicel Ornex Co., Ltd.
- Tricyclodecane dimethanol diacrylate Product name “IRR214-K”, manufactured by Daicel Ornex Co., Ltd.
- Irg. 184 Radical polymerization initiator, 1% -cyclohexyl-phenyl-ketone 5% diluted solution, trade name “IRGACURE 184”, manufactured by BASF Japan
- Example 3 Hydroquinone 3.18 g (28.88 mmol), phenothiazine 0.1 g (0.5 mmol) in a 2 L 4-neck flask equipped with a stirrer, thermometer, condenser, dropping funnel, air (containing 6% oxygen) bubbling vent line , 817.6 g (11.3 mol) of acrylic acid and 40.26 g (283.6 mmol) of boron trifluoride diethyl ether complex were charged.
- a 1 L dropping funnel was charged with 500 g (3.78 mol) of dicyclopentadiene and 272.5 g (3.78 mol) of acrylic acid, and mixed to form a solution.
- the obtained concentrated solution was mixed with 300 g of normal heptane, 23 g of acetonitrile and 3 g of water, and extracted with a separatory funnel. After extracting the lower layer liquid (acetonitrile layer), extraction operation which puts 10 g of acetonitrile in the upper layer liquid again was performed twice. Acetonitrile extraction was performed three times in total, and about 100 g of normal heptane was added to the extracted lower layer solution, and back extraction (recovery from the lower layer solution) was performed. The recovered upper layer liquid (normal heptane layer) and the extracted upper layer liquid were combined, and the solvent normal heptane was distilled off at 50 ° C. under reduced pressure using an evaporator.
- DCPDA 29.6 wt%, DCPA 49.8 wt%, high boiling point 116 g of a mixture (2) consisting of 20.6% by weight of component was obtained.
- Irg. A curable composition was obtained by adding 0.5 part by weight of 184.
- Example 4 Hydroquinone 1.27 g (11.55 mmol), phenothiazine 0.04 g (0.2 mmol) in a 1 L 4-neck flask equipped with a stirrer, thermometer, condenser, dropping funnel, air (containing 6% oxygen) bubbling vent line , 327.0 g (4.6 mol) of acrylic acid and 16.10 g (113.6 mmol) of boron trifluoride diethyl ether complex were charged. A 500 mL dropping funnel was charged with 200 g (1.51 mol) of dicyclopentadiene and 109.0 g (1.51 mol) of acrylic acid, and mixed to form a solution.
- Example 5 To 200 g of the mixture (1) obtained in Example 3, 40 g of a high-boiling solvent (trade name “GR-175”, manufactured by Matsumura Oil Co., Ltd.) and 0.1 g of phenothiazine were added and mixed, and then at 145 ° C. and 100 Pa. Thin film distillation was performed to obtain 110 g of a colorless mixture (5). GC analysis showed that mixture (5) contained 38% by weight of DCPDA and 62% by weight of DCPA. To 10 parts by weight of the obtained mixture (5), Irg. A curable composition was obtained by adding 0.5 part by weight of 184.
- a high-boiling solvent trade name “GR-175”, manufactured by Matsumura Oil Co., Ltd.
- Example 6 Normal heptane 650 was added to 130 g of the mixture (4) obtained in Example 4 to make a solution. Thereto, 13 g of powdered activated carbon was added and stirred at room temperature for 30 minutes. Thereafter, pressure filtration was performed to remove the activated carbon. In the same manner, the activated carbon treatment was performed three times in total.
- the solvent normal heptane was distilled off with a 50 ° C. evaporator to obtain 101 g of a slightly yellow mixture (6).
- GC analysis showed that mixture (6) contained 21% by weight of DCPDA and 75% by weight of DCPA.
- Irg. A curable composition was obtained by adding 0.5 part by weight of 184.
- Example 7 21 g of the mixture (1) obtained in Example 3 was subjected to silica gel column purification (silica gel 1000 g, developing solvent; normal heptane 95%, ethyl acetate 5%). DCPA and DCPDA were detected in this order, and the DCPDA-containing fraction was concentrated to obtain a slightly yellow mixture (7) (DCPDA 90 wt%, DCPA 10 wt%). To 10 parts by weight of the obtained concentrated liquid (7), Irg. A curable composition was obtained by adding 0.5 part by weight of 184.
- Example 8 The mixture (7) obtained in Example 7 and the mixture (1) obtained in Example 3 were mixed to obtain a mixture (8) (DCPDA 51 wt%, DCPA 49 wt%). To 10 parts by weight of the obtained mixture (8), Irg. A curable composition was obtained by adding 0.5 part by weight of 184.
- Tricyclodecane dimethanol diacrylate trade name “IRR214-K”, manufactured by Daicel Ornex Co., Ltd. 5% Irg. 184: Radical polymerization initiator, 1% -cyclohexyl-phenyl-ketone 5% diluted solution, trade name “IRGACURE 184”, manufactured by BASF Japan
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Abstract
Description
本発明の他の目的は、前記多官能(メタ)アクリレート化合物を簡便且つ選択的に製造する製造方法を提供することにある。
本発明の他の目的は、前記多官能(メタ)アクリレート化合物を含む混合物であって、硬化性に優れ、硬度及び耐久性に優れた硬化物を形成することができる混合物を提供することにある。
で表される多官能(メタ)アクリレート化合物を提供する。
で表される多官能(メタ)アクリレート化合物を含む混合物を提供する。
で表される化合物又は下記式(3)
で表される化合物と(メタ)アクリル酸を反応させて得られる前記の混合物を提供する。
で表されるジ(メタ)アクリレート化合物と、下記式(4)
で表されるモノ(メタ)アクリレート化合物を含む(メタ)アクリレート化合物の混合物であって、混合物に含まれる全(メタ)アクリレート化合物の10重量%以上が前記ジ(メタ)アクリレート化合物である混合物を提供する。
で表される化合物又は下記式(3)
で表される化合物と(メタ)アクリル酸を反応させて、下記式(1)
で表される多官能(メタ)アクリレート化合物を得る多官能(メタ)アクリレート化合物の製造方法を提供する。
で表される化合物と過酸を反応させて、下記式(2)
で表される化合物を得、得られた式(2)で表される化合物と(メタ)アクリル酸を反応させる前記の多官能(メタ)アクリレート化合物の製造方法を提供する。
で表される化合物と過酸を反応させて、下記式(3)
で表される化合物を得、得られた式(3)で表される化合物と(メタ)アクリル酸を反応させる前記の多官能(メタ)アクリレート化合物の製造方法を提供する。
また、本発明の多官能(メタ)アクリレート化合物のうち、ヒドロキシル基を有する化合物は、該ヒドロキシル基を特定の化学基に容易に変換することができ、それにより特定の優れた機能を有する樹脂(=機能性樹脂)の原料(=機能性モノマー)とすることもできる。例えば、ヒドロキシル基にイソシアネート化合物を反応させて得られる化合物はウレタン結合を有するため、重合することにより柔軟性、基板密着性に優れたポリマー若しくは硬化物を形成することができる。そのため、本発明の多官能(メタ)アクリレート化合物は機能性モノマーの前駆体としても有用である。
で表される。
で表される化合物又は下記式(3)
で表される化合物と(メタ)アクリル酸を反応させることにより、エポキシ基を(メタ)アクリル化して製造することができる。
で表される化合物と過酸を反応させることにより、前記式(4)で表される化合物の炭素-炭素二重結合をエポキシ化して製造することができる。
で表される化合物と過酸を反応させることにより、前記式(5)で表される化合物の炭素-炭素二重結合をエポキシ化して製造することができる。
で表されるジ(メタ)アクリレート化合物と、下記式(4)
で表されるモノ(メタ)アクリレート化合物を含む(メタ)アクリレート化合物の混合物[前記モノ(メタ)アクリレート化合物とジ(メタ)アクリレート化合物の含有量の和は、混合物全量の例えば50重量%以上、好ましくは70重量%以上、特に好ましくは80重量%以上、最も好ましくは90重量%以上、100重量%以下]であって、混合物に含まれる全(メタ)アクリレート化合物の10重量%以上(好ましくは15重量%以上、特に好ましくは20重量%以上、最も好ましくは25重量%)が前記ジ(メタ)アクリレート化合物である混合物も含まれる。尚、前記混合物におけるジ(メタ)アクリレート化合物の含有量の上限は、例えば99重量%、好ましくは90重量%、更に好ましくは60重量%、特に好ましくは50重量%、最も好ましくは40重量%、更に好ましくは35重量%である。
撹拌装置、温度計、冷却管、滴下ロート、空気(酸素8%含有)バブリング通気ラインを備えた300mL4口フラスコにハイドロキノン0.6588g(5.98mmol)、メタクリル酸48.84g(567mmol)、三フッ化ホウ素ジエチルエーテル錯体2.36g(16.65mmol)を仕込んだ。
200mL滴下ロートにはジシクロペンタジエン50g(378.19mmol)とメタクリル酸48.84g(567.28mmol)を仕込み、混ぜて溶液にした。
窒素置換後、空気(酸素8%含有)を300mL/minで通気を開始し、70℃に加熱した。70℃で滴下ロート中の溶液を20分かけて滴下した。滴下開始時間を反応開始時間とし、反応開始1時間後、温水バスを冷却して反応液を室温まで冷却した。
反応液にノルマルヘプタンを68gと5%炭酸ナトリウム水溶液を134.78gを追加して分液ロートにて抽出操作を行った。下層(水層)抜取後、水134.78gとアセトニトリル33.69gを加えて抽出操作を行った。その後、再び下層を抜取した後、水134.78gを加えて抽出操作を行った。その後、更にまた下層を抜取した後、上層(有機層)を払い出し、有機層をエバポレーターにて70℃、20mmHg程度で粗濃縮を行い、有機層中のノルマルヘプタン、アセトニトリルを留去した。
更に粗濃縮液を単蒸留(バス温度:180℃)でゆっくり減圧して初留としてメタクリル酸を留去した。メタクリル酸の留出が止まると、さらに減圧(70~100Pa)して留出ライン温度を100℃以上としたところ、ジシクロペンテニルモノメタクリレートの留出が始まった。留出が止まるまで待って、液体のジシクロペンテニルモノメタクリレート(=下記式(E1)で表される化合物における立体異性体と位置異性体の混合物)66gを得た。ジシクロペンテニルモノメタクリレートの純度は96%、収率は80%であった。
別途、三角フラスコにメタクロロ過安息香酸(以後、「mCPBA」と称する場合がある)63.24g(256.53mmol)と酢酸エチル208.70gを入れ、撹拌して溶解し、mCPBA/酢酸エチル溶液を得た。
得られたmCPBA/酢酸エチル溶液を滴下ロートに仕込み、反応系内を窒素置換後、溶液温度を20℃になるように調整した。溶液温度20℃を維持した状態でmCPBA/酢酸エチル溶液の滴下を開始し、反応開始とした。mCPBA/酢酸エチル溶液は20分かけて滴下し、滴下開始後、7時間反応を行った。
反応終了後、反応液にノルマルヘプタンを186.97g、5%チオ硫酸ナトリウム水溶液240gを追加し、分液ロートにてクエンチ操作を行った。
下層(水層)抜取後、5%水酸化ナトリウム水溶液240gを加えて抽出するアルカリクエンチ操作を2回行った。
更に、下層抜取後、水185.97gを加えて水洗する操作を2回行った。
抽出上層液を払い出し、エバポレーターにて40℃以下で濃縮を行い、液体のエポキシ化ジシクロペンタニルモノメタクリレート(=下記式(E2)で表される化合物における立体異性体と位置異性体の混合物)76gを得た。エポキシ化ジシクロペンタニルモノメタクリレートの純度は94%、収率は86%であった。
エポキシ化ジシクロペンタニルモノメタクリレートの構造確認は1H-NMR分析及び質量分析(MS)により行った。
1H-NMR(500MHz,CDCl3):δ=6.06(d,1H), 5.54(d,1H), 4.68(m,1H), 3.47(d,1H), 3.28(d,1H), 1.34-2.37(m,13H)
Mass(EI,M+):234,148,69
滴下ロートにはエポキシ化ジシクロペンタニルモノメタクリレート40g(170.72mmol)とメタクリル酸73.49g(853.91mmol)を仕込んだ。
反応系内を窒素置換後、空気(酸素8%含有)300mLのバブリングを開始し、オイルバスにて120℃まで加熱した。120℃にて滴下を開始し、反応開始とした。10分間かけて滴下を行った。そのまま12時間反応を行って、ヒドロキシジシクロペンタニルジメタクリレート(=下記式(E3)で表される化合物における立体異性体と位置異性体の混合物)、及びジシクロペンタニルトリメタクリレート(=下記式(E4)で表される化合物における立体異性体と位置異性体の混合物)を含む反応液を得た。ガスクロマトグラフィーを使用した面積百分率法(GC面積%)による、ヒドロキシジシクロペンタニルジメタクリレートの収率は83.5%、ジシクロペンタニルトリメタクリレートの収率は1%、エポキシ化ジシクロペンタニルモノメタクリレートの転化率は93%であった。
ヒドロキシジシクロペンタニルジメタクリレートの構造確認は1H-NMR分析及び質量分析(MS)により行った。
1H-NMR(500MHz,CDCl3):δ=6.12(d,1H), 6.07(d,1H), 5.60(d,1H), 5.53(d,1H), 4.82-4.87(m,1H), 4.63-4.64(m,1H), 3.70-3.74(m,1H), 3.20(br,1H), 1.17-2.44(m,16H)
Mass(EI,M+):234,148,69
ジシクロペンタニルトリメタクリレートの構造確認は質量分析(MS)により行った。
Mass(EI,M+):389(M+1),303,217,69
以上の操作を4回繰り返して濃縮液を合成した。
トリ体:ジシクロペンタニルトリメタクリレート
カラム精製を経て得られた、ヒドロキシジシクロペンタニルジメタクリレート(ジ体)86.55GC面積%と、ジシクロペンタニルトリメタクリレート(トリ体)4.69GC面積%を含む液体成分(ジ体とトリ体の含有量の比[前者:後者(重量%)]=94.8:5.2)を使用して、下記表2に記載の処方に従って硬化性組成物を得、バーコーター(♯8)を使用して前記硬化性組成物の塗膜(ウェット膜厚:40μm)を形成し、窒素雰囲気下で紫外線を照射[2kW×2.25m/分、1パス(450mW/cm2、1000mJ/cm2)]して硬化物を得た。尚、紫外線の照射にはUV装置(アイグラフィックス(株)製、商品番号「ECS-401GX」)を使用した。
硬化性組成物を下記表2の処方に変更した以外は実施例2と同様に行った。
トリシクロデカンジメタノールジアクリレート:商品名「IRR214-K」、ダイセル・オルネクス(株)製
5% Irg.184:ラジカル重合開始剤、1-ヒドロキシ-シクロヘキシル-フェニル-ケトンの5%希釈液、商品名「IRGACURE 184」、BASFジャパン社製
撹拌装置、温度計、冷却管、滴下ロート、空気(酸素6%含有)バブリング通気ラインを備えた2Lの4口フラスコにハイドロキノン3.18g(28.88mmol)、フェノチアジン0.1g(0.5mmol)、アクリル酸817.6g(11.3mol)、三フッ化ホウ素ジエチルエーテル錯体40.26g(283.6mmol)を仕込んだ。
1L滴下ロートにはジシクロペンタジエン500g(3.78mol)とアクリル酸272.5g(3.78mol)を仕込み、混ぜて溶液にした。
窒素置換後、空気(酸素6%含有)を750mL/minで通気を開始し、70℃に加熱した。70℃で滴下ロート中の溶液を30分かけて滴下した。滴下開始時間を反応開始時間とし、滴下後、反応温度を100℃に昇温した。滴下開始後6時間反応を継続した後、冷却して反応液を室温まで冷却した。
反応液にノルマルヘプタンを408gと5%炭酸ナトリウム水溶液を1663gを追加して5Lセパラブルフラスコにて抽出操作を行った。下層(水層)抜取後、水1663gとを加えて抽出操作を行った。その後、再び下層を抜取した後、水1663gを加えて抽出操作を行った。抽出後の有機層をエバポレーター50℃にて溶媒のノルマルヘプタンを留去して、透明感のある茶色のジシクロペンタニルジアクリレート(以下、「DCPDA」と称する場合がある)33重量%、ジシクロペンテニルモノアクリレート(以下、「DCPA」と称する場合がある)43重量%、高沸点成分23重量%からなる混合物(1)700gを得た。
得られた混合物(1)150gをアセトニトリル抽出に付して濃縮液を得、得られた濃縮液をノルマルヘプタン300g、アセトニトリル23g、及び水3gと混合し、分液ロートで抽出を行った。下層液(アセトニトリル層)を抜取後、上層液に再度アセトニトリルを10g入れる抽出操作を2回実施した。合計3回アセトニトリル抽出を行い、抜き取った下層液にノルマルヘプタンを約100g入れて逆抽出(下層液からの回収)を行った。回収の上層液(ノルマルヘプタン層)と抽出上層液を合わせて、エバポレーターにて50℃フル減圧にて溶媒のノルマルヘプタンを留去して、DCPDA29.6重量%、DCPA49.8重量%、高沸点成分20.6重量%からなる混合物(2)116gを得た。
得られた混合物(2)10重量部に、Irg.184を0.5重量部を添加して硬化性組成物を得た。
撹拌装置、温度計、冷却管、滴下ロート、空気(酸素6%含有)バブリング通気ラインを備えた1Lの4口フラスコにハイドロキノン1.27g(11.55mmol)、フェノチアジン0.04g(0.2mmol)、アクリル酸327.0g(4.6mol)、三フッ化ホウ素ジエチルエーテル錯体16.10g(113.6mmol)を仕込んだ。
500mL滴下ロートにはジシクロペンタジエン200g(1.51mol)とアクリル酸109.0g(1.51mol)を仕込み、混ぜて溶液にした。
窒素置換後、空気(酸素6%含有)を320mL/minで通気を開始し、70℃に加熱した。70℃で滴下ロート中の溶液を30分かけて滴下した。滴下開始時間を反応開始時間とし、滴下後、反応温度を100℃に昇温した。滴下開始後2時間反応を継続した後、冷却して反応液を室温まで冷却した。
反応液にノルマルヘプタンを490gと5%炭酸ナトリウム水溶液を654gを追加して3L分液ロートにて抽出操作を行った。下層(水層)抜取後、水654gとを加えて抽出操作を行った。その後、再び下層を抜取した後、水654gを加えて抽出操作を行った。抽出後の有機層をエバポレーター50℃にて溶媒のノルマルヘプタンを留去して、透明感のある茶色のDCPDA24重量%、DCPA66重量%、高沸点成分10重量%からなる混合物(3)291gを得た。
得られた混合物(3)130gに高沸点溶媒(商品名「GR-175」、松村石油(株)製)を26g、フェノチアジン0.065gを入れて均一にした。WFE蒸留装置(薄膜蒸発装置、旭製作所、神鋼パンテック製)を使用して、140℃、120Paで薄膜蒸留を行い、無色の混合物(4)92gを得た。GC分析(島津製作所製)から、混合物(4)はDCPDA21重量%、DCPA78重量%を含むことがわかった。
得られた混合物(4)10重量部に、Irg.184を0.5重量部を添加して硬化性組成物を得た。
実施例3で得られた混合物(1)200gに高沸点溶媒(商品名「GR-175」、松村石油(株)製)40g、フェノチアジン0.1gを添加、混合し、145℃、100Paにて薄膜蒸留を行い、無色の混合物(5)110gを得た。GC分析から、混合物(5)はDCPDA38重量%、DCPA62重量%を含むことがわかった。
得られた混合物(5)10重量部に、Irg.184を0.5重量部を添加して硬化性組成物を得た。
実施例4で得られた混合物(4)130gにノルマルヘプタン650を入れて溶液にした。そこに、粉末活性炭13gを入れて、室温で30分撹拌した。その後、加圧ろ過を行い、活性炭を除去した。同様の方法で、活性炭処理を合計3回実施した。溶媒のノルマルヘプタンを50℃エバポレーターにて留去して、微黄色の混合物(6)101gを得た。GC分析から、混合物(6)はDCPDA21重量%、DCPA75重量%を含むことがわかった。
得られた混合物(6)10重量部に、Irg.184を0.5重量部を添加して硬化性組成物を得た。
実施例3で得られた混合物(1)21gをシリカゲルカラム精製(シリカゲル1000g、展開溶媒;ノルマルヘプタン95%、酢酸エチル5%)に付した。DCPA、DCPDAの順に検出し、DCPDA含有フラクションを濃縮して微黄色の混合物(7)(DCPDA90重量%、DCPA10重量%)を得た。
得られた濃縮液(7)10重量部に、Irg.184を0.5重量部を添加して硬化性組成物を得た。
実施例7で得られた混合物(7)と実施例3で得られた混合物(1)を混合して混合物(8)(DCPDA51重量%、DCPA49重量%)を得た。
得られた混合物(8)10重量部に、Irg.184を0.5重量部を添加して硬化性組成物を得た。
実施例3~8で得られた硬化性組成物、及び比較例3、4として下記表3に記載の硬化性組成物(単位:重量部)について、塗膜(ウェット膜厚:40μm)を形成し、窒素雰囲気下で紫外線を照射[2kW×2.25m/分、1パス(450mW/cm2、1000mJ/cm2)]して硬化物を得、得られた硬化物について実施例2と同様の方法で評価した。尚、比較例4ではジシクロペンテニルモノアクリレートとして、商品名「FS-511AS」(日立化成(株)製)を使用した。
また、本発明の多官能(メタ)アクリレート化合物のうち、ヒドロキシル基を有する化合物は、該ヒドロキシル基を特定の化学基に容易に変換することができ、それにより特定の優れた機能を有する樹脂(=機能性樹脂)の原料(=機能性モノマー)とすることもできる。そのため、本発明の多官能(メタ)アクリレート化合物は機能性モノマーの前駆体としても有用である。
Claims (12)
- ルイス酸触媒の存在下、トリシクロ[5.2.1.02,6]デカ-3,8-ジエン1モルに対して、(メタ)アクリル酸1.1モル以上を反応させて得られる請求項4に記載の混合物。
- ルイス酸触媒が三フッ化ホウ素ジエチルエーテル錯体である請求項5に記載の混合物。
- 下記式(2)
で表される化合物又は下記式(3)
で表される化合物と(メタ)アクリル酸を反応させて、下記式(1)
で表される多官能(メタ)アクリレート化合物を得る多官能(メタ)アクリレート化合物の製造方法。 - 請求項1に記載の多官能(メタ)アクリレート化合物に由来するモノマー単位を有するポリマー。
- 請求項1に記載の多官能(メタ)アクリレート化合物、又は請求項2~6の何れか1項に記載の混合物を含む高硬度ハードコート剤。
- 請求項11に記載の高硬度ハードコート剤を硬化して得られる硬化物。
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JP2015522833A JP6343610B2 (ja) | 2013-06-21 | 2014-06-11 | 多官能(メタ)アクリレート、及びその製造方法 |
KR1020157035724A KR20160023685A (ko) | 2013-06-21 | 2014-06-11 | 다관능 (메트)아크릴레이트 및 그의 제조 방법 |
CN201480027465.4A CN105392770A (zh) | 2013-06-21 | 2014-06-11 | 多官能(甲基)丙烯酸酯及其制造方法 |
US14/891,931 US20160083331A1 (en) | 2013-06-21 | 2014-06-11 | Polyfunctional (meth)acrylate, and method for producing same |
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JP2013130877 | 2013-06-21 |
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PCT/JP2014/065489 WO2014203786A1 (ja) | 2013-06-21 | 2014-06-11 | 多官能(メタ)アクリレート、及びその製造方法 |
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US (1) | US20160083331A1 (ja) |
JP (1) | JP6343610B2 (ja) |
KR (1) | KR20160023685A (ja) |
CN (1) | CN105392770A (ja) |
TW (1) | TW201509904A (ja) |
WO (1) | WO2014203786A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170253706A1 (en) * | 2016-03-04 | 2017-09-07 | Dongwoo Fine-Chem Co., Ltd. | Hard Coating Film |
JP2017156751A (ja) * | 2016-03-04 | 2017-09-07 | ドンウ ファインケム カンパニー リミテッド | ハードコートフィルム |
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KR100952465B1 (ko) * | 2007-12-18 | 2010-04-13 | 제일모직주식회사 | 방향족 (메타)아크릴레이트 화합물 및 감광성 고분자, 및레지스트 조성물 |
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- 2014-06-11 JP JP2015522833A patent/JP6343610B2/ja not_active Expired - Fee Related
- 2014-06-11 US US14/891,931 patent/US20160083331A1/en not_active Abandoned
- 2014-06-11 WO PCT/JP2014/065489 patent/WO2014203786A1/ja active Application Filing
- 2014-06-11 KR KR1020157035724A patent/KR20160023685A/ko not_active Application Discontinuation
- 2014-06-11 CN CN201480027465.4A patent/CN105392770A/zh active Pending
- 2014-06-20 TW TW103121293A patent/TW201509904A/zh unknown
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US20170253707A1 (en) * | 2016-03-04 | 2017-09-07 | Dongwoo Fine-Chem Co., Ltd. | Hard Coating Film |
Also Published As
Publication number | Publication date |
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KR20160023685A (ko) | 2016-03-03 |
US20160083331A1 (en) | 2016-03-24 |
JP6343610B2 (ja) | 2018-06-13 |
CN105392770A (zh) | 2016-03-09 |
JPWO2014203786A1 (ja) | 2017-02-23 |
TW201509904A (zh) | 2015-03-16 |
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