WO2017213205A1 - エポキシ化合物、これを含む硬化性組成物および硬化性組成物を硬化させた硬化物 - Google Patents
エポキシ化合物、これを含む硬化性組成物および硬化性組成物を硬化させた硬化物 Download PDFInfo
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- WO2017213205A1 WO2017213205A1 PCT/JP2017/021245 JP2017021245W WO2017213205A1 WO 2017213205 A1 WO2017213205 A1 WO 2017213205A1 JP 2017021245 W JP2017021245 W JP 2017021245W WO 2017213205 A1 WO2017213205 A1 WO 2017213205A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/14—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic peracids, or salts, anhydrides or esters thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/08—Bridged systems
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/5046—Amines heterocyclic
- C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
- C08G59/5073—Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
- C08G59/687—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/18—Oxetanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/10—Homopolymers or copolymers of unsaturated ethers
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/025—Gas chromatography
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
Definitions
- the present invention relates to an epoxy compound, a curable composition containing the epoxy compound, and a cured product obtained by curing the curable composition.
- an epoxy compound as a material such as a surface protective film of a semiconductor element or an organic thin film element (for example, an organic electroluminescence element or an organic thin film solar cell element), an interlayer insulator, a protective insulating film for a printed alignment substrate, and a fiber reinforced composite material
- a curable composition is used.
- an epoxy compound having an aromatic ring has been used as a material capable of obtaining a cured product having excellent heat resistance and the like.
- an epoxy compound having an alicyclic skeleton is known as a material capable of obtaining a cured product having excellent heat resistance and the like.
- Patent Document 1 discloses an epoxy compound having an alicyclic skeleton having a specific structure capable of obtaining a resin excellent in heat resistance and the like.
- Patent Document 2 discloses a curable composition containing dicyclopentadiene diepoxide or tricyclopentadiene diepoxide.
- Patent Document 3 discloses a curable composition containing a diepoxybicyclohexyl compound.
- the epoxy compounds having an alicyclic skeleton proposed in Patent Documents 2 and 3 have room for further improvement in terms of heat resistance of a cured product and weight reduction during curing.
- the present inventors have now found that the curable compositions disclosed in Patent Documents 2 and 3 and the like have not yet sufficient heat resistance of the cured product, and there is room for further improvement. Further, in the composition of an epoxy compound comprising one or more stereoisomers having a specific structure, the ratio of the peak area of the maximum peak to 90% with respect to the total peak area derived from the stereoisomers By setting it as the above, the knowledge that the heat resistance of the hardened
- the present invention includes the following inventions.
- a composition comprising at least one of the stereoisomers of the compound represented by: In a gas chromatogram obtained by gas chromatography analysis of the composition under the following analysis conditions, the ratio of the peak area of the maximum peak to 90% or more with respect to the total peak area derived from the stereoisomer A composition characterized by the above.
- R 1 to R 18 are each independently selected from the group consisting of hydrogen, an alkyl group, and an alkoxy group.
- a composition comprising at least one of the stereoisomers of the compound represented by: In the gas chromatogram obtained by gas chromatography analysis of the composition under the following analysis conditions, the peak area of the maximum peak in the range with respect to the total peak area in the range of retention time of 29.0 to 32.0 minutes The composition is characterized by being 90% or more.
- the compound represented by the formula (1) is represented by the following formula (2): (Wherein R 1 to R 18 are each independently selected from the group consisting of hydrogen, an alkyl group, and an alkoxy group.)
- Any of [1] to [3], wherein the maximum peak is a peak that occurs first after a retention time of 30.5 minutes among peaks in a retention time range of 29.0 to 32.0 minutes.
- the thermal cationic polymerization initiator is selected from the group consisting of an aromatic sulfonium salt-based thermal cationic polymerization initiator, an aromatic iodonium salt-based thermal cationic polymerization initiator, and an aluminum complex-based thermal cationic polymerization initiator.
- the curing is performed. 0.1 to 15 parts by mass with respect to 100 parts by mass of the composition according to any one of [1] to [7] or the epoxy compound according to [8] contained in the adhesive composition,
- the composition contains one or more selected from the group consisting of an epoxy compound other than the compound represented by the formula (1), an oxetane compound, and vinyl ether, it is included in the curable composition.
- composition according to any one of [1] to [7] or the epoxy compound according to [8], an epoxy compound other than the compound represented by the formula (1), an oxetane compound, and a binder Based on 100 parts by weight of the ether is 0.1 to 15 parts by mass, [10] - The curable composition according to any one of [12]. [14] The content of the acid anhydride curing agent is included in the curable composition when the curable composition does not contain an epoxy compound other than the compound represented by the formula (1).
- the curable composition is In the case where an epoxy compound other than the compound represented by the formula (1) is contained, the composition according to any one of [1] to [7] or the composition according to [8], which is included in the curable composition. [10] The amount is 0.6 to 1.2 equivalents relative to 1 equivalent of an epoxy equivalent of an epoxy compound and a mixture of epoxy compounds other than the compound represented by the formula (1). Curable composition. [15] The content of the curing accelerator is contained in the curable composition when the curable composition does not contain an epoxy compound other than the compound represented by the formula (1) [1].
- the curable composition contains one or more selected from the group consisting of an epoxy compound other than the compound represented by the formula (1), an oxetane compound, and vinyl ether, it is included in the curable composition.
- the composition according to any one of [1] to [7] or the epoxy compound according to [8], an epoxy compound other than the compound represented by the formula (1), an oxetane compound, and a vinyl compound Based on 100 parts by weight of the ether is 0.1 to 20 parts by weight, [10] or curable composition according to [18].
- the epoxy compound other than the compound represented by the formula (1) is selected from the group consisting of a glycidyl ether type epoxide, a glycidyl ester type epoxide, and an alicyclic epoxide.
- the curable composition in any one.
- a method for producing a cured product comprising a step of curing the curable composition according to any one of [9] to [21].
- composition or an epoxy compound capable of producing a cured product having high heat resistance can be provided.
- FIG. 1 shows a gas chromatograph of the composition (A-1) prepared in Preparation Example 1.
- FIG. 2 shows a gas chromatograph of the composition (A-2) prepared in Preparation Example 2.
- FIG. 3 shows a gas chromatograph of the composition (A-3) prepared in Preparation Example 3.
- FIG. 4 shows a gas chromatograph of the composition (A-4) prepared in Preparation Example 4.
- FIG. 5 shows a 1H NMR peak chart of the composition (A-4) prepared in Preparation Example 4.
- FIG. 6 shows a 13C NMR peak chart of the composition (A-4) prepared in Preparation Example 4.
- an epoxy equivalent is defined by the mass of an epoxy compound containing 1 equivalent of an epoxy group.
- m is an integer of 2 or more
- the epoxy equivalent of the mixture is: It is represented by The epoxy equivalent of the epoxy compound can be measured according to JIS K7236.
- composition of the present invention is a composition comprising at least one or more of stereoisomers of a compound represented by the following formula (1): In a gas chromatogram obtained by gas chromatography analysis of the composition under the following analysis conditions, the ratio of the peak area of the maximum peak to 90% or more with respect to the total peak area derived from the stereoisomer It is characterized by. Further, the composition of the present invention is a composition comprising at least one of the stereoisomers of the compound represented by the following formula (1), and the composition is gasified under the following analysis conditions.
- Detector temperature 250 ° C Sample injection volume: 0.2 ⁇ L Temperature rising conditions: 80 ° C. (3 minutes), 80 to 150 ° C. (10 ° C./min), 150 to 250 ° C. (5 ° C./min), 250 ° C. (20 minutes)
- composition of the present invention contains at least one of the stereoisomers of the compound represented by the above formula (1).
- the epoxy compound of the present invention has the following formula (3): (Wherein R 1 to R 18 are each independently selected from the group consisting of hydrogen, an alkyl group, and an alkoxy group.) It is represented by.
- R 1 to R 18 in the above formula (1) or the above formula (3) are each independently selected from the group consisting of hydrogen, an alkyl group and an alkoxy group.
- hydrogen is particularly preferable.
- the alkyl group has preferably 1 to 10 carbon atoms, and more preferably 1 to 5 carbon atoms. Further, it may be a linear alkyl group or a branched alkyl group.
- the alkoxy group preferably has 1 to 10 carbon atoms, and more preferably 1 to 5 carbon atoms. Particularly preferably, R 1 to R 18 are all hydrogen.
- a curable composition comprising the composition of the present invention or the epoxy compound of the present invention and a thermal cationic polymerization initiator, or the composition of the present invention or the epoxy compound of the present invention, an acid anhydride curing agent, and curing
- the composition of the present invention or the epoxy compound of the present invention contained in the curable composition preferably has an epoxy equivalent of 85 to 600 g / eq, preferably 90 to 600 g / eq is preferable, 85 to 300 g / eq is more preferable, 90 to 300 g / eq is more preferable, and 90 to 200 g / eq is still more preferable.
- the curable composition of the present invention may contain other compounds as described below, but from the viewpoint of reducing the heat resistance of the cured product and / or reducing the weight loss upon curing, the present invention.
- the content of the composition of the present invention or the epoxy compound of the present invention contained in the curable composition is preferably 10 to 99% by mass, more preferably 10 to 80% by mass, and 15 to 99%.
- the mass is more preferably 15% by mass, and more preferably 15 to 60% by mass.
- the composition of the present invention or the epoxy compound of the present invention contained in the curable composition is an epoxy.
- the equivalent is preferably 85 to 600 g / eq, more preferably 85 to 300 g / eq, and still more preferably 85 to 200 g / eq.
- the curable composition of the present invention may contain other compounds as described below, but from the viewpoint of the heat resistance of the cured product, the composition of the present invention contained in the curable composition of the present invention.
- the content of the product or the epoxy compound of the present invention is preferably 1 to 50% by mass, more preferably 5 to 40% by mass.
- the composition of the present invention is compared with the sum of peak areas derived from the stereoisomers of the compound of formula (1) contained in the composition.
- the ratio of the peak area of the maximum peak is 90% or more. Preferably, it is 91% or more, 95% or more, 97% or more, or 99% or more.
- the maximum peak is preferably derived from a stereoisomer of the compound represented by the above formula (1) contained in the composition having a retention time of 30.3 to 30.9 minutes. It is preferably derived from a stereoisomer of the compound represented by the above formula (1) contained in the composition having a retention time of 30.5 to 30.8 minutes.
- the composition of the present invention has a maximum peak in this range relative to the total peak area in the range of retention time 29.0 to 32.0 minutes.
- the ratio of the peak area is 90% or more.
- it is 91% or more, 95% or more, 97% or more, or 99% or more.
- the maximum peak is preferably one having a retention time of 30.3 to 30.9 minutes, and one having a retention time of 30.5 to 30.8 minutes. It is preferable.
- the stereoisomer corresponding to the maximum peak is preferably represented by the following formula (3).
- R 1 to R 18 are each independently selected from the group consisting of hydrogen, an alkyl group, and an alkoxy group.
- R 1 to R 18 are as described in the above formula (1).
- Agilent 19091Z-436E manufactured by Agilent Technologies, Inc. can be used as the column used for the chromatographic analysis.
- Agilent 6850 series manufactured by Agilent Technologies, Inc.
- Liquid phase 100% dimethylpolysiloxane carrier gas: N 2
- Flow rate 1.3 mL / min
- Detector temperature 250 ° C
- Sample injection volume 0.2 ⁇ L
- Temperature rising conditions 80 ° C. (3 minutes), 80 to 150 ° C. (10 ° C./min), 150 to 250 ° C. (5 ° C./min), 250 ° C. (20 minutes)
- the maximum peak in the composition of the present invention appears first among peaks derived from all stereoisomers contained in the epoxy compound after a retention time of 30.5 minutes.
- the maximum peak in the composition of the present invention is preferably a peak that occurs first after a retention time of 30.5 minutes among peaks in a retention time range of 29.0 to 32.0 minutes.
- R 1 to R 18 are all hydrogen, and the maximum peak is a peak existing during a retention time of 30.3 to 30.9 minutes. It is preferable.
- the compound represented by the above formula (1) is preferably a reaction product of a compound represented by the following formula (2) and a peracid.
- R 1 to R 18 are each independently selected from the group consisting of hydrogen, an alkyl group, and an alkoxy group.
- R 1 to R 18 are as described in the above formula (1).
- the compound represented by the above formula (1) is obtained by reacting the compound represented by the above formula (2) with a peracid such as hydrogen peroxide, peracetic acid or perbenzoic acid. Can be synthesized.
- a peracid such as hydrogen peroxide, peracetic acid or perbenzoic acid.
- a compound satisfying the above formula (2) can be synthesized by subjecting cyclopentadiene and dicyclopentadiene to a Diels-Alder reaction.
- the ratio of the peak area of the maximum peak derived from the stereoisomer contained in the composition can be further increased by crystallization purification.
- the maximum peak in the retention time range of 29.0 to 32.0 minutes is further obtained in the gas chromatogram obtained by gas chromatography analysis under the above analysis conditions by crystallization purification.
- the percentage of peak area can be increased.
- Curable composition comprises the composition of the present invention or the epoxy compound of the present invention, a thermal cationic polymerization initiator, an acid anhydride curing agent and a curing accelerator, and a photocationic polymerization initiator. 1 type selected from the group which consists of.
- the cationic polymerization initiator contained in the curable composition of the present invention includes a thermal cationic polymerization initiator (an initiator capable of generating a cationic active species by thermal energy) and a photocationic polymerization initiator. (Initiator capable of generating cationic active species by irradiation with light or electron beam).
- thermal cationic polymerization initiator examples include (i) aromatic sulfonium salt-based thermal cationic polymerization initiator, (ii) phosphonium salt-based thermal cationic polymerization initiator, and (iii) quaternary ammonium salt-based thermal cationic polymerization.
- An initiator (iv) an aluminum complex-based thermal cationic polymerization initiator, (v) an aromatic iodonium salt-based thermal cationic polymerization initiator, (vi) an aromatic diazonium salt-based thermal cationic polymerization initiator, and (vii) Examples thereof include pyrinidium-based thermal cationic polymerization initiators.
- Aromatic sulfonium salt-based thermal cationic polymerization initiators include (2-ethoxy-1-methyl-2-oxoethyl) methyl-2-naphthalenylsulfonium hexafluoroantimonate, 4- (methoxycarbonyloxy) phenylbenzylmethyl Sulfonium hexafluoroantimonate, 4-acetoxyphenyldimethylsulfonium hexafluoroantimonate, 4-hydroxyphenylbenzylmethylsulfonium hexafluoroantimonate, 4-hydroxyphenyl (o-methylbenzyl) methylsulfonium hexafluoroantimonate, 4-hydroxyphenyl ( ⁇ -naphthylmethyl) methylsulfonium hexafluoroantimonate, diphenyl-4- (phenylthio) phenylsulfonium hexafluoroa Timonate, triphenyl
- Examples of the phosphonium salt-based thermal cationic polymerization initiator include ethyltriphenylphosphonium hexafluoroantimonate and tetrabutylphosphonium hexafluoroantimonate.
- Quaternary ammonium salt-based thermal cationic polymerization initiators include N, N-dimethyl-N-benzylanilinium hexafluoroantimonate, N, N-diethyl-N-benzylanilinium tetrafluoroborate, N, N N-dimethyl-N-benzylpyridinium hexafluoroantimonate, N, N-diethyl-N-benzylpyridinium trifluoromethanesulfonic acid, N, N-dimethyl-N- (4-methoxybenzyl) pyridinium hexafluoroantimonate, N, N-diethyl-N- (4-methoxybenzyl) pyridinium hexafluoroantimonate, N, N-diethyl-N- (4-methoxybenzyl) toluidinium hexafluoroantimonate, N, N-dimethyl-N- (4-methoxybenz
- Examples of the aluminum complex-based thermal cationic polymerization initiator include aluminum carboxylate, aluminum alkoxide, aluminum chloride, aluminum (alkoxide) acetoacetic acid chelate, acetoacetonatoaluminum, ethylacetoacetoaluminum and the like.
- (V) As an aromatic iodonium salt-based thermal cationic polymerization initiator, phenyliodonium hexafluorophosphate, diphenyliodonium hexafluoroantimonate, diphenyliodonium tetrafluoroborate, diphenyliodoniumtetrakis (pentafluorophenyl) borate, diphenyliodonium hexafluoro Phosphate, diphenyliodonium trifluoromethanesulfonate, bis (dodecylphenyl) iodonium hexafluorophosphate, bis (dodecylphenyl) iodonium hexafluoroantimonate, bis (dodecylphenyl) iodonium tetrafluoroborate, bis (dodecylphenyl) iodonium tetrakis (penta
- aromatic diazonium salt-based thermal cationic polymerization initiators include phenyldiazonium hexafluorophosphate, phenyldiazonium hexafluoroantimonate, phenyldiazonium tetrafluoroborate, and phenyldiazonium tetrakis (pentafluorophenyl) borate.
- Pyridinium-based thermal cationic polymerization initiators include 1-benzyl-2-cyanopyridinium hexafluorophosphate, 1-benzyl-2-cyanopyridinium hexafluoroantimonate, 1-benzyl-2-cyanopyridinium tetrafluoroborate 1-benzyl-2-cyanopyridinium tetrakis (pentafluorophenyl) borate, 1- (naphthylmethyl) -2-cyanopyridinium hexafluorophosphate, 1- (naphthylmethyl) -2-cyanopyridinium hexafluoroantimonate, 1- (Naphthylmethyl) -2-cyanopyridinium tetrafluoroborate, 1- (naphthylmethyl) -2-cyanopyridinium tetrakis (pentafluorophenyl) borate and the like.
- thermal cationic polymerization initiators may be used alone or in admixture of two or more.
- aromatic sulfonium salt-based thermal cationic polymerization initiators are more preferable, and monoaryl-based thermal cationic polymerization initiators such as 4-acetoxyphenyldimethylsulfonium hexafluoroantimonate are particularly preferable.
- monoaryl-based thermal cationic polymerization initiators such as 4-acetoxyphenyldimethylsulfonium hexafluoroantimonate are particularly preferable.
- the content of the thermal cationic polymerization initiator in the curable composition of the present invention is such that the curable composition is an epoxy compound other than the compound represented by the formula (1) described later, an oxetane compound described later, and a vinyl ether described later.
- the amount is preferably 0.1 to 15 parts by mass with respect to 100 parts by mass of the composition of the present invention or the epoxy compound of the present invention contained in the curable composition, and 0.3 to 7 More preferably, it is part by mass.
- the curable composition contains one or more selected from the group consisting of an epoxy compound other than the compound represented by the above formula (1), an oxetane compound, and vinyl ether, the curing of the present invention.
- the content of the thermal cationic polymerization initiator in the curable composition is the composition of the present invention contained in the curable composition or the epoxy compound of the present invention, an epoxy compound other than the compound represented by the above formula (1), or an oxetane compound And 0.1 to 15 parts by mass, more preferably 0.3 to 7 parts by mass with respect to 100 parts by mass of the total amount of vinyl ether.
- the thermal cationic polymerization initiator contained in the curable composition of the present invention includes an aromatic sulfonium salt-based thermal cationic polymerization initiator, an aromatic iodonium salt-based thermal cationic polymerization initiator, and an aluminum complex-based thermal cationic polymerization initiator. More preferably, it is selected from the group consisting of:
- the thermal cationic polymerization initiator contained in the curable composition of the present invention is more preferably an aromatic sulfonium salt-based thermal cationic polymerization initiator.
- the acid anhydride curing agent contained in the curable composition of the present invention includes hexahydrophthalic anhydride, methylhexahydrophthalic anhydride, tetrahydrophthalic anhydride, and methyltetrahydrophthalic anhydride.
- hexahydrophthalic anhydride and methylhexahydrophthalic anhydride are preferred because the heat resistance and transparency of the cured product can be further improved by combining with the composition of the present invention or the epoxy compound of the present invention.
- the curable composition of the present invention can contain one or more of the above acid anhydride curing agents.
- the content of the acid anhydride curing agent in the curable composition of the present invention is such that the curable composition is an epoxy other than the compound represented by the formula (1) described later.
- the amount is preferably 0.5 to 1.5 equivalents relative to 1 equivalent of the epoxy equivalent of the composition of the present invention or the epoxy compound of the present invention contained in the curable composition. It is more preferably 6 to 1.2 equivalents, and even more preferably 0.8 to 1.2 equivalents.
- the content of the acid anhydride curing agent in the curable composition of the present invention is the curable composition.
- Curing agents other than acid anhydride-based curing agents Curing agents that can be contained in the curable composition of the present invention include amine-based curing agents and phenol-based curing agents in addition to acid anhydride-based curing agents. And latent curing agents.
- amine curing agents include polyoxyethylenediamine, polyoxypropylenediamine, polyoxybutylenediamine, polyoxypentylenediamine, polyoxyethylenetriamine, polyoxypropylenetriamine, polyoxybutylenetriamine, polyoxypentylenetriamine, diethylenetriamine, Triethylenetetramine, tetraethylenepentamine, m-xylenediamine, trimethylhexamethylenediamine, 2-methylpentamethylenediamine, diethylaminopropylamine, isophoronediamine, 1,3-bisaminomethylcyclohexane, bis (4-aminocyclohexyl) Methane, norbornanediamine, 1,2-diaminocyclohexane, diaminodiphenylmethane, metaphenylenediamine, di Mino diphenyl sulfone, and the like N- aminoethyl piperazine.
- phenolic curing agent examples include a xylylene skeleton-containing phenol novolak resin, a dicyclopentadiene skeleton-containing phenol novolak resin, a biphenyl skeleton-containing phenol novolak resin, a fluorene skeleton-containing phenol novolak resin, a terpene skeleton-containing phenol novolak resin, bisphenol A novolak, and bisphenol F.
- Novolak bisphenol S novolak, bisphenol AP novolak, bisphenol C novolak, bisphenol E novolak, bisphenol Z novolak, biphenol novolak, tetramethylbisphenol A novolak, dimethylbisphenol A novolak, tetramethylbisphenol F novolak, dimethyl bisphenol F novolak, tetramethylbisphenol S Novora Dimethylbisphenol S novolak, tetramethyl-4,4'-biphenol novolak, trishydroxyphenylmethane novolak, resorcinol novolak, hydroquinone novolak, pyrogallol novolak, diisopropylidene novolak, 1,1-di-4-hydroxyphenylfluorene novolak Phenolic polybutadiene novolak, phenol novolak, cresol novolak, ethylphenol novolak, butylphenol novolak, octylphenol novolak, naphthol no
- latent curing agent examples include dicyandiamide, adipic acid dihydrazide, sebacic acid dihydrazide, dodecanedioic acid dihydrazide, isophthalic acid dihydrazide, ketimine, imidazole compound, dihydrazide compound, and amine adduct based latent curing agent.
- the curable composition of the present invention may contain one kind or two or more kinds of curing agents as described above.
- the curing agent is at least one selected from the group consisting of an acid anhydride curing agent, an amine curing agent, a phenol curing agent and a latent curing agent. It is an agent.
- Curing accelerator examples include triphenylphosphine, triphenylbenzylphosphonium tetraphenylborate, tetrabutylphosphonium diethylphosphorodithioate, tetraphenylphosphonium bromide, Tetrabutylphosphonium acetate, tetra-n-butylphosphonium bromide, tetra-n-butylphosphonium benzotriazolate, tetra-n-butylphosphonium tetrafluoroborate, tetra-n-butylphosphonium tetraphenylborate, methyltriphenylphosphonium bromide, Ethyltriphenylphosphonium bromide, ethyltriphenylphosphonium iodide, ethyltriphenylphosphonium acetate, methyltri- Phosphines such as butyl
- an imidazole-based curing accelerator is particularly preferable because the heat resistance of the cured product can be further improved by combining with the composition of the present invention or the epoxy compound of the present invention.
- the curable composition of the present invention may contain one or more of the above-described curing accelerators.
- the content of the curing accelerator in the curable composition of the present invention is such that the curable composition does not contain an epoxy compound other than the compound represented by the formula (1) described later.
- the amount is preferably 0.1 to 10 parts by weight, preferably 0.2 to 8 parts by weight with respect to 100 parts by weight of the composition of the present invention or the epoxy compound of the present invention contained in the curable composition. More preferred is 0.5 to 6 parts by mass.
- content of the hardening accelerator in the curable composition of this invention is contained in a curable composition.
- the total amount of the epoxy compound other than the composition of the present invention or the epoxy compound of the present invention and the compound represented by the above formula (1) is preferably 0.1 to 10 parts by mass, The amount is more preferably 0.2 to 8 parts by mass, and further preferably 0.5 to 6 parts by mass.
- Photocationic polymerization initiator contained in the curable composition of the present invention is a cationic species or Lewis acid by irradiation with active energy rays such as visible light, ultraviolet rays, X-rays, and electron beams.
- active energy rays such as visible light, ultraviolet rays, X-rays, and electron beams.
- active energy rays such as visible light, ultraviolet rays, X-rays, and electron beams.
- active energy rays such as visible light, ultraviolet rays, X-rays, and electron beams.
- cationic photopolymerization initiator contained in the curable composition of the present invention for example, compounds such as onium salts, metallocene complexes, and iron-allene complexes can be used.
- the onium salt aromatic sulfonium salt, aromatic iodonium salt, aromatic diazonium salt, aromatic phosphonium salt, aromatic selenium salt and the like are used, and as counter ions thereof, CF 3 SO 3 ⁇ , BF 4 ⁇ , PF 6 ⁇ , AsF 6 ⁇ , and SbF 6 ⁇ are used.
- CF 3 SO 3 ⁇ , BF 4 ⁇ , PF 6 ⁇ , AsF 6 ⁇ , and SbF 6 ⁇ are used.
- an initiator is used.
- the curable composition of this invention may contain 2 or more types of photocationic polymerization initiators.
- Aromatic sulfonium salts include diphenyl-4- (phenylthio) phenylsulfonium hexafluorophosphate, 4,4'-bis (diphenylsulfonio) diphenyl sulfide bishexafluorophosphate, 4,4'-bis [di ( ⁇ -hydroxy Ethoxy) phenylsulfonio] diphenylsulfide bishexafluoroantimonate, 4,4′-bis [di ( ⁇ -hydroxyethoxy) phenylsulfonio] diphenylsulfide bishexafluorophosphate, 7- [di (p-toluyl) sulfonio] -2-Isopropylthioxanthone hexafluoroantimonate, 7- [di (p-toluyl) sulfonio] -2-isopropylthioxanthone
- Aromatic iodonium salts include diphenyliodonium tetrakis (pentafluorophenyl) borate, diphenyliodonium hexafluorophosphate, diphenyliodonium hexafluoroantimonate, di (4-nonylphenyl) iodonium hexafluorophosphate, (4-methoxyphenyl) phenyliodonium Examples include hexafluoroantimonate and bis (4-t-butylphenyl) iodonium hexafluorophosphate.
- aromatic diazonium salt examples include benzenediazonium hexafluoroantimonate, benzenediazonium hexafluorophosphate, benzenediazonium tetrafluoroborate, 4-chlorobenzenediazonium hexafluorophosphate, and the like.
- aromatic phosphonium salt examples include benzyltriphenylphosphonium hexafluoroantimonate.
- aromatic selenium salts examples include triphenyl selenium hexafluorophosphate.
- Iron-allene complexes include xylene-cyclopentadienyl iron (II) hexafluoroantimonate, cumene-cyclopentadienyl iron (II) hexafluorophosphate, xylene-cyclopentadienyl iron (II) tris (trifluoro Methylsulfonyl) methanide and the like.
- the content of the photocationic polymerization initiator in the curable composition of the present invention is such that the curable composition is an epoxy compound other than the compound represented by the formula (1) described later, an oxetane compound described later, and a vinyl ether described later. Is not contained, it is preferably 0.1 to 20 parts by mass with respect to 100 parts by mass of the composition of the present invention or the epoxy compound of the present invention contained in the curable composition, preferably 0.3 to More preferably, it is 15 parts by mass. Further, when the curable composition contains one or more selected from the group consisting of an epoxy compound other than the compound represented by the above formula (1), an oxetane compound, and vinyl ether, the curing of the present invention.
- the content of the cationic photopolymerization initiator in the curable composition is the composition of the present invention contained in the curable composition or the epoxy compound of the present invention, an epoxy compound other than the compound represented by the above formula (1), or an oxetane compound.
- the total amount of vinyl ether is preferably from 0.1 to 20 parts by weight, more preferably from 0.3 to 15 parts by weight, based on 100 parts by weight of the total amount of vinyl ether.
- Epoxy compounds other than the compound represented by the above formula (1) is an epoxy compound other than the compound represented by the above formula (1) depending on the application (in the present specification, (Sometimes referred to as “other epoxy compounds”). Examples include glycidyl ether type epoxides, glycidyl ester type epoxides, glycidyl amine type epoxides and alicyclic epoxides, and oligomers and polymers thereof.
- Examples of the glycidyl ether type epoxide include bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, bisphenol S diglycidyl ether, tetramethylbiphenol diglycidyl ether, hydrogenated bisphenol A diglycidyl ether, and brominated bisphenol A diglycidyl ether.
- Glycidyl ester type epoxides include glycidyl methacrylate, phthalic acid diglycidyl ester, isophthalic acid diglycidyl ester, terephthalic acid diglycidyl ester, cyclohexanedicarboxylic acid diglycidyl ester, trimetic acid triglycidyl ester and the like. Examples include mold polyepoxides.
- Examples of the glycidylamine type epoxide include N, N-diglycidylaniline, N, N-diglycidyltoluidine, N, N, N ′, N′-tetraglycidyldiaminodiphenylmethane, N, N, N ′, N′-tetraglycidyl.
- Glycidyl aromatic amines such as diaminodiphenylsulfone, N, N, N ′, N′-tetraglycidyldiethyldiphenylmethane, bis (N, N-diglycidylaminocyclohexyl) methane (N, N, N ′, N′-tetraglycidyl) Hydride of diaminodiphenylmethane), N, N, N ′, N′-tetraglycidyl-1,3- (bisaminomethyl) cyclohexane (hydride of N, N, N ′, N′-tetraglycidylxylylenediamine) , Trisglycidylmelamine, triglycidyl-p-aminophenol, N-g Glycidyl heterocyclic amines such as glycidyl 4-glycidyl oxy pyrrolidone.
- Alicyclic epoxides include vinylcyclohexene dioxide, limonene dioxide, dicyclopentadiene dioxide, bis (2,3-epoxycyclopentyl) ether, ethylene glycol bisepoxy dicyclopentyl ether, 3,4-epoxy-6-methylcyclohexane.
- the content of the epoxy compound other than the compound represented by the above formula (1) is preferably 1 to 90% by mass with respect to the curable composition. More preferably, it is -85 mass%.
- the epoxy compound other than the compound represented by the formula (1) contained in the curable composition of the present invention comprises a glycidyl ether type epoxide, a glycidyl ester type epoxide, and an alicyclic epoxide. It is selected from the group.
- the curable composition of the present invention may further contain a reactive diluent for reducing the viscosity.
- a reactive diluent for reducing the viscosity.
- the reactive diluent include a monoepoxy compound produced by the method described in Preparation Example 5, butyl glycidyl ether, 2-ethylhexyl glycidyl ether, glycidyl ether of C12-13 mixed alcohol, 1,2-epoxy- 4-vinylcyclohexane and the like can be mentioned.
- the curable composition may contain one or more reactive diluents as described above. What is necessary is just to adjust the mixing ratio of a reactive diluent suitably so that the curable composition containing a reactive diluent may become a desired viscosity.
- the curable composition of the present invention may contain an oxetane compound.
- the oxetane compound include 1,4-bis [(3-ethyl-3-oxetanylmethoxy) methyl] benzene, 3-ethyl-3-hydroxymethyloxetane, 3-ethyl-3- (phenoxymethyl) oxetane, di [( 3-ethyl-3-oxetanyl) methyl] ether, 3-ethyl-3- (2-ethylhexyloxymethyl) oxetane, 3-ethyl-3- (cyclohexyloxymethyl) oxetane, phenol novolac oxetane, 1,3-bis [ (3-Ethyloxetane-3-yl)] methoxybenzene, oxetanylsilsesquioxane, oxetanyl silicate, bis [1-
- the content of the oxetane compound in the curable composition of the present invention is preferably 1 to 90% by mass, and more preferably 5 to 85% by mass.
- Vinyl ether compound The curable composition of the present invention may contain a vinyl ether compound.
- the vinyl ether compound include monofunctional vinyl ethers such as methyl vinyl ether, ethyl vinyl ether, propyl vinyl ether, and butyl vinyl ether, ethylene glycol divinyl ether, butanediol divinyl ether, cyclohexanedimethanol divinyl ether, cyclohexanediol divinyl ether, and trimethylolpropane trivinyl ether.
- Polyfunctional vinyl ethers such as pentaerythritol tetravinyl ether, glycerol trivinyl ether, triethylene glycol divinyl ether, diethylene glycol divinyl ether, hydroxyethyl vinyl ether, hydroxybutyl vinyl ether, cyclohexanedimethanol monovinyl ether, cyclohexanediol monovinyl Ether, 9-hydroxynonyl vinyl ether, propylene glycol monovinyl ether, neopentyl glycol monovinyl ether, glycerol divinyl ether, glycerol monovinyl ether, trimethylolpropane divinyl ether, trimethylolpropane monovinyl ether, pentaerythritol monovinyl ether, pentaerythritol divinyl ether, penta Vinyl ether compounds having a hydroxyl group such as erythri
- the content of the vinyl ether compound in the curable composition of the present invention is preferably 1 to 90% by mass, and more preferably 5 to 85% by mass.
- the curable composition of the present invention may further contain a compound having a hydroxyl group.
- the curing reaction can be allowed to proceed slowly.
- the compound having a hydroxyl group include ethylene glycol, diethylene glycol, glycerin and the like.
- the curable composition of the present invention may contain one or more compounds having a hydroxyl group as described above.
- the content of the compound having a hydroxyl group in the curable composition of the present invention is preferably 0.1 to 10% by mass, and preferably 0.2 to 8% by mass. More preferred.
- the curable composition of the present invention may further contain a solvent.
- the solvent include methyl ethyl ketone, ethyl acetate, toluene, methanol and ethanol.
- the curable composition of the present invention may contain various additives as long as the characteristics are not impaired.
- additives include fillers, silane coupling agents, mold release agents, colorants, flame retardants, antioxidants, light stabilizers and plasticizers, antifoaming agents, light stabilizers, pigments, dyes, and the like.
- Hardened material (1) Conditions for curing The cured product of the present invention is obtained by curing the curable composition of the present invention described above.
- the hardening method of a curable composition is not specifically limited, It can carry out suitably by a heating or light irradiation.
- the curable composition When the curable composition is cured by heating, it is preferable to heat the curable composition in multiple steps in consideration of the high reactivity of the epoxy compound. Thereby, hardening reaction can fully advance. For example, primary heating at 100 to 130 ° C. for 10 to 150 minutes, secondary heating at 140 to 160 ° C. for 10 to 150 minutes, tertiary heating at 170 to 200 ° C. for 60 to 180 minutes, and 210 to 250 ° C.
- the curing reaction can be performed by quaternary heating for 10 to 150 minutes.
- the curing reaction is performed by primary heating at 100 to 130 ° C. for 10 to 150 minutes, secondary heating at 140 to 200 ° C. for 10 to 150 minutes, and tertiary heating at 210 to 250 ° C.
- the curing reaction can be carried out by fourth heating for 10 to 150 minutes, fifth heating for 60 to 180 minutes at 180 to 200 ° C., and sixth heating for 60 to 240 minutes at 210 to 230 ° C.
- the curing reaction can be performed by quaternary heating for 10 to 150 minutes.
- the present invention is not limited to this, and it is preferable to carry out by appropriately changing the content of the epoxy compound and the characteristics of other compounds contained in the curable composition.
- the active energy ray kind and conditions to be used Is preferably changed as appropriate.
- the curable composition and the cured product of the present invention can be applied to paints, semiconductor elements, and the like applied on a substrate such as metal, resin film, glass, paper, and wood.
- Coating agents such as surface protective films, hard coat agents, antifouling films and antireflection films for organic thin film elements (for example, organic electroluminescence elements and organic thin film solar cell elements), adhesives, adhesives, lenses, prisms, filters, Image display materials, lens arrays, optical semiconductor element sealing materials and reflector materials, semiconductor element sealing materials, optical waveguides, light guide plates, light diffusion plates, diffraction elements, optical adhesives, and other optical members, casting Examples include materials, interlayer insulators, protective insulating films for printed alignment substrates, and fiber-reinforced composite materials.
- Preparation Example 1 Preparation of Composition (A-1) In a reaction vessel equipped with a thermometer, a stirrer, a reflux tube and a dropping device, 2511 g of a diolefin compound represented by the following formula (4), 3765 g of toluene and 104 g of sodium acetate Then, 5143 g of 38% peracetic acid aqueous solution was added dropwise over 23 hours while stirring at 10 to 19 ° C. Stirring was continued for 16 hours at 17-30 ° C. Next, washing was performed with a 15% aqueous sodium sulfite solution, water, and a 20% aqueous NaOH solution. The obtained solution was concentrated with a rotary evaporator to obtain 2679 g of a crude product.
- composition (A-1) was subjected to gas chromatography analysis under the following analysis conditions.
- a gas chromatograph of the composition (A-1) is shown in FIG.
- a peak derived from the stereoisomer of the compound represented by formula (1) was observed when the retention time was between 29.0 and 32.0 minutes.
- a maximum peak appears during a retention time of 30.5 to 30.8 minutes, and the peak area of this maximum peak area when the retention time is between 29.0 and 32.0 minutes.
- the ratio with respect to the sum total was 95%.
- Preparation Example 2 Preparation of Composition (A-2) The composition (A-1) was purified by crystallization purification of 6.11 g of the mother liquor concentrate, which was purified by silica gel column chromatography. 3.48 g of A-2) was obtained.
- the obtained composition (A-2) was subjected to gas chromatography analysis under the analysis conditions described in Preparation Example 1.
- a gas chromatograph of the composition (A-2) is shown in FIG.
- FIG. 2 when the retention time was 29.0 to 32.0 minutes, a peak derived from the stereoisomer of the compound represented by the formula (1) was observed.
- FIG. 2 a maximum peak appears during a retention time of 30.5 to 30.8 minutes, and the peak area of this maximum peak area when the retention time is between 29.0 and 32.0 minutes.
- the ratio with respect to the sum total was 87%.
- composition (A-3) 1.73 g of composition (A-1) and 1.73 g of composition (A-2) were mixed to prepare composition (A-3) as 3. 46 g was obtained.
- the obtained composition (A-3) was subjected to gas chromatography analysis under the analysis conditions described in Preparation Example 1.
- a gas chromatograph of the composition (A-3) is shown in FIG.
- FIG. 3 when the retention time was between 29.0 and 32.0 minutes, a peak derived from the stereoisomer of the compound represented by formula (1) was observed.
- FIG. 3 a maximum peak appears during a retention time of 30.5 to 30.8 minutes, and the peak area of this maximum peak area with a retention time of 29.0 to 32.0 minutes
- the ratio with respect to the sum total was 91%.
- Example 1 Preparation and evaluation of curable composition containing composition (A-1 to 3) (1)
- Example 1-1 Production of Curable Composition Composition (A-1) obtained by the method described in Preparation Example 1 above, the other epoxy compound (B-1) and the thermal cationic polymerization initiator so as to have the following composition: Mixing was performed to obtain a curable composition.
- composition (A-1) 50 parts by mass (obtained by the method described in Preparation Example 1 above) -50 parts by mass of other epoxy compound (B-1) (bisphenol A type liquid epoxy resin, manufactured by Nippon Steel & Sumikin Chemical Co., Ltd., trade name YD-128) -Thermal cationic polymerization initiator 2 parts by mass (aromatic sulfonium salt: 4-acetoxyphenyldimethylsulfonium hexafluoroantimonate, manufactured by Sanshin Chemical Industry Co., Ltd., trade name: SI-150L)
- Example 1-2 A curable composition in the same manner as in Example 1-1 except that the composition (A-1) was changed to the composition (A-3) (obtained by the method described in Preparation Example 3 above). Got.
- Preparation Example 4 Preparation of Composition (A-4) In a reaction vessel equipped with a thermometer, a stirrer, a reflux tube and a dropping device, 59.2 kg of chloroform and 4.0 kg of a diolefin compound represented by the following formula (4) Then, 10.6 kg of metachloroperbenzoic acid was added dropwise with stirring at ⁇ 10 ° C. The temperature was raised to room temperature and the reaction was carried out for 12 hours. Next, metachlorobenzoic acid by-produced by filtration was removed, and the filtrate was washed with 42.0 kg of 5% aqueous sodium sulfite solution.
- the organic layer was further washed 4 times with 41.6 kg of 1N aqueous sodium hydroxide solution and then with 48.0 kg of saturated brine.
- the organic layer was dried over magnesium sulfate, the magnesium sulfate was removed by filtration, and the filtrate was concentrated to obtain 5.1 kg of a crude product.
- composition (A-4) comprising a stereoisomer of the compound satisfying the above formula (1) as 2.8 kg of a white solid.
- the obtained composition (A-4) was subjected to gas chromatography analysis under the analysis conditions described in Preparation Example 1.
- a gas chromatograph of the composition (A-4) is shown in FIG.
- FIG. 4 when the retention time was between 29.0 and 32.0 minutes, a peak derived from the stereoisomer of the compound represented by formula (1) was observed.
- FIG. 4 a maximum peak appears during a retention time of 30.5 to 30.8 minutes, and the peak area of this maximum peak area with a retention time of 29.0 to 32.0 minutes The ratio of the total to 99% was 99%.
- the stereoisomer structure of the obtained composition (A-4) was identified by 1 H-NMR and 13 C-NMR.
- a 1H NMR peak chart of the composition (A-4) is shown in FIG. 5, and a 13C NMR peak chart of the composition (A-4) is shown in FIG. From these NMR analysis results and the above chromatographic analysis results, the mother nucleus structure of the compound occupying the maximum peak in the composition (A-4) has the configuration represented by the following formula (5). It was thought to have.
- Example 2 Preparation and evaluation of a curable composition containing the compositions (A-2 and A-4) (1)
- Example 2-1 A composition (A-4) obtained by the method described in Preparation Example 4 above, an acid anhydride curing agent, a curing accelerator, and a compound having a hydroxyl group were mixed so as to have the following composition to obtain a curable composition. I got a thing.
- composition (A-4) 100 parts by mass (obtained by the method described in Preparation Example 4 above)
- Acid anhydride curing agent 131 parts by mass mixture of 4-methylhexahydrophthalic anhydride and hexahydrophthalic anhydride, equivalent to 0.9 equivalent per 1 equivalent of epoxide compound (A), manufactured by Shin Nippon Rika Co., Ltd.
- Reference example 2-1 A curable composition in the same manner as in Example 2-1, except that the composition (A-4) was changed to the composition (A-2) (obtained by the method described in Preparation Example 2 above). Got.
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Abstract
Description
また、特定の構造を有する1種以上の立体異性体を含んでなるエポキシ化合物の組成物において、この立体異性体に由来するピーク面積の総和に対して、最大ピークのピーク面積の割合を90%以上とすることにより、この組成物を含む硬化性組成物を硬化させた硬化物の耐熱性を飛躍的に向上させることができるという知見を得た。さらに、該最大ピークに対応する立体異性体の特定の立体構造を解明した。
本発明はかかる知見に基づくものであり、本発明の解決しようとする課題は、硬化物の耐熱性をより顕著に向上させることのできる組成物若しくは特定の立体構造を持つエポキシ化合物を提供することである。
[1]下記式(1):
で表される化合物の立体異性体のうち、少なくとも1種以上を含んでなる組成物であって、
該組成物を下記分析条件にてガスクロマトグラフィー分析して得られるガスクロマトグラムにおいて、該立体異性体に由来するピーク面積の総和に対して、最大ピークのピーク面積の割合が90%以上であることを特徴とする、組成物。
(分析条件)
カラム:HP-1(アジレント・テクノロジー株式会社製)、長さ:60.0m、内径:250μm、膜厚:0.25μm
液相:100%ジメチルポリシロキサン
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間)
[2]下記式(1):
で表される化合物の立体異性体のうち、少なくとも1種以上を含んでなる組成物であって、
該組成物を下記分析条件にてガスクロマトグラフィー分析して得られるガスクロマトグラムにおいて、保持時間29.0~32.0分の範囲におけるピーク面積の総和に対して、該範囲における最大ピークのピーク面積の割合が90%以上であることを特徴とする、組成物。
(分析条件)
カラム:HP-1(アジレント・テクノロジー株式会社製)、長さ:60.0m、内径:250μm、膜厚:0.25μm
液相:100%ジメチルポリシロキサン
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間)
[3]前記式(1)で表される化合物が、下記式(2):
で表される化合物と、過酸との反応物である、[1]または[2]に記載の組成物。
[4]前記最大ピークが、保持時間30.5分以降における前記立体異性体に由来するピークの内の1番目のピークである、[1]~[3]のいずれかに記載の組成物。
[5]前記最大ピークが、保持時間29.0~32.0分の範囲におけるピークの内の保持時間30.5分以降において1番目に生じるピークである、[1]~[3]のいずれかに記載の組成物。
[6]前記R1乃至R18は全て水素であり、前記最大ピークが、保持時間が30.3~30.9分の間に存在するピークである、[1]~[5]のいずれかに記載の組成物。
[7]前記最大ピークに対応する立体異性体が下記式(3):
により表される、[1]~[6]のいずれかに記載の組成物。
[8]下記式(3):
で表される、エポキシ化合物。
[9][1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物と、熱カチオン重合開始剤、酸無水物系硬化剤および硬化促進剤、並びに光カチオン重合開始剤からなる群より選択される1種とを含んでなる、硬化性組成物。
[10]前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルからなる群より選択される1種または2種以上をさらに含む、[9]に記載の硬化性組成物。
[11]前記熱カチオン重合開始剤が、芳香族スルホニウム塩系の熱カチオン重合開始剤、芳香族ヨードニウム塩系の熱カチオン重合開始剤およびアルミニウム錯体系の熱カチオン重合開始剤からなる群から選択される、[9]または[10]に記載の硬化性組成物。
[12]前記熱カチオン重合開始剤が、芳香族スルホニウム塩系の熱カチオン重合開始剤である、[11]に記載の硬化性組成物。
[13]前記熱カチオン重合開始剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物およびビニルエーテルのいずれも含まない場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物の100質量部に対し、0.1~15質量部であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルからなる群より選択される1種または2種以上を含む場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルの総量100質量部に対して、0.1~15質量部である、[10]~[12]のいずれかに記載の硬化性組成物。
[14]前記酸無水物系硬化剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含まない場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物のエポキシ当量1当量に対して、0.6~1.2当量であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含む場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物、および該前記式(1)で表される化合物以外のエポキシ化合物からなるエポキシ化合物の混合物のエポキシ当量1当量に対して、0.6~1.2当量である、[10]に記載の硬化性組成物。
[15]前記硬化促進剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含まない場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物の100質量部に対して、0.1~10質量部であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含む場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物、および該前記式(1)で表される化合物以外のエポキシ化合物の総量100質量部に対して、0.1~10質量部である、[10]または[14]に記載の硬化性組成物。
[16]前記硬化促進剤が、イミダゾール系の硬化促進剤である、[9]、[14]または[15]に記載の硬化性組成物。
[17][1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物の含有量が、10~99質量%である、[11]~[16]のいずれかに記載の硬化性組成物。
[18]前記光カチオン重合開始剤が、芳香族スルホニウム塩系の光カチオン重合開始剤である、[9]または[10]に記載の硬化性組成物。
[19]前記光カチオン重合開始剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物およびビニルエーテルのいずれも含まない場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物の100質量部に対して、0.1~20質量部であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルからなる群より選択される1種または2種以上を含む場合は、前記硬化性組成物に含まれる[1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物およびビニルエーテルの総量100質量部に対して、0.1~20質量部である、[10]または[18]に記載の硬化性組成物。
[20][1]~[7]のいずれかに記載の組成物若しくは[8]に記載のエポキシ化合物の含有量が、1~50質量%である、[18]または[19]に記載の硬化性組成物。
[21]前記式(1)で表される化合物以外のエポキシ化合物が、グリシジルエーテル型エポキシド、グリシジルエステル型エポキシド、および脂環式エポキシドからなる群から選択される、[10]~[20]のいずれかに記載の硬化性組成物。
[22][9]~[21]のいずれかに記載の硬化性組成物を硬化させる工程を含む、硬化物の製造方法。
[23][9]~[21]のいずれかに記載の硬化性組成物の硬化物。
本明細書において、配合を示す「部」、「%」等は特に断らない限り質量基準である。
本明細書において、エポキシ当量とは、1当量のエポキシ基を含むエポキシ化合物の質量で定義される。ここで、m種(mは2以上の整数である)のエポキシ化合物からなる混合物の場合、その混合物のエポキシ当量は、
本発明の組成物は、下記式(1) で表される化合物の立体異性体のうち、少なくとも1種以上を含んでなる組成物であって、該組成物を下記分析条件にてガスクロマトグラフィー分析して得られるガスクロマトグラムにおいて、該立体異性体に由来するピーク面積の総和に対して、最大ピークのピーク面積の割合が90%以上であることを特徴とする。また、本発明の組成物は、下記式(1)で表される化合物の立体異性体のうち、少なくとも1種以上を含んでなる組成物であって、該組成物を下記分析条件にてガスクロマトグラフィー分析して得られるガスクロマトグラムにおいて、保持時間29.0~32.0分の範囲におけるピーク面積の総和に対して、該範囲における最大ピークのピーク面積の割合が90%以上であることを特徴とする。
(分析条件)
カラム:HP-1(アジレント・テクノロジー株式会社製)、長さ:60.0m、内径:250μm、膜厚:0.25μm
液相:100%ジメチルポリシロキサン
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間)
また、この最大ピークは、保持時間が30.3~30.9分である該組成物に含まれる上記式(1)で表される化合物の立体異性体に由来するものであることが好ましく、保持時間が30.5~30.8分である該組成物に含まれる上記式(1)で表される化合物の立体異性体に由来するものであることが好ましい。
また、この最大ピークは、保持時間が30.3~30.9分の間に存在するものであることが好ましく、保持時間が30.5~30.8分での間に存在するものであることが好ましい。
なお、上記式(3)中におけるR1乃至R18は上記式(1)において記載した通りである。
(分析条件)
測定機器:アジレント・テクノロジー株式会社製Agilent6850シリーズ
カラム:HP-1(アジレント・テクノロジー株式会社製)、長さ:60.0m、内径:250μm、膜厚:0.25μm
液相:100%ジメチルポリシロキサン
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間)
なお、上記式(2)中におけるR1乃至R18は上記式(1)において記載した通りである。
本発明の硬化性組成物は、本発明の組成物若しくは本発明のエポキシ化合物と、熱カチオン重合開始剤、酸無水物系硬化剤および硬化促進剤、並びに光カチオン重合開始剤からなる群より選択される1種とを含むことを特徴とする。
本発明の硬化性組成物に含まれるカチオン重合開始剤としては、熱カチオン重合開始剤(熱エネルギーによりカチオン活性種を発生させうる開始剤)および光カチオン重合開始剤(光や電子線の照射によりカチオン活性種を発生させうる開始剤)が挙げられる。本発明の組成物若しくは本発明のエポキシ化合物と、熱カチオン重合開始剤とを組み合わせることにより、硬化物の耐熱性をより一層向上させることができると共に、硬化の際に生じる重量減少を低減することができる。さらに、硬化物の透明性を向上させることができる。
本発明の硬化性組成物に含まれる酸無水物系硬化剤としては、ヘキサヒドロ無水フタル酸、メチルヘキサヒドロ無水フタル酸、テトラヒドロ無水フタル酸、メチルテトラヒドロ無水フタル酸、エンドメチレンテトラヒドロ無水フタル酸、メチルナジック酸無水物、メチルブテニルテトラヒドロ無水フタル酸、水素化メチルナジック酸無水物、トリアルキルテトラヒドロ無水フタル酸、シクロヘキサントリカルボン酸無水物、メチルシクロヘキセンジカルボン酸無水物、メチルシクロヘキサンテトラカルボン酸二無水物、無水マレイン酸、無水フタル酸、無水コハク酸、ドデセニル無水コハク酸、オクテニルコハク酸無水物、無水ピロメリット酸、無水トリメリット酸、アルキルスチレン-無水マレイン酸共重合体、クロレンド酸無水物、ポリアゼライン酸無水物、無水ベンゾフェノンテトラカルボン酸、エチレングリコールビスアンヒドロトリメリテート、グリセロールトリストリメリテート、グリセリンビス(アンヒドロトリメリテート)モノアセテート、ベンゾフェノンテトラカルボン酸、ポリアジピン酸無水物、ポリセバシン酸無水物、ポリ(エチルオクタデカン二酸)無水物、ポリ(フェニルヘキサデカン二酸)無水物、ヘット酸無水物、ノルボルナン-2,3-ジカルボン酸無水物等が挙げられる。
本発明の硬化性組成物に含有させることができる硬化剤としては、酸無水物系硬化剤以外にも、アミン系硬化剤、フェノール系硬化剤および潜在性硬化剤等が挙げられる。
本発明の硬化性組成物に含まれる硬化促進剤としては、例えば、トリフェニルホスフィン、トリフェニルベンジルホスホニウムテトラフェニルボレート、テトラブチルホスホニウムジエチルホスホロジチオエート、テトラフェニルホスホニウムブロマイド、テトラブチルホスホニウムアセテート、テトラ-n-ブチルホスホニウムブロマイド、テトラ-n-ブチルホスホニウムベンゾトリアゾレート、テトラ-n-ブチルホスホニウムテトラフルオロボレート、テトラ-n-ブチルホスホニウムテトラフェニルボレート、メチルトリフェニルホスホニウムブロマイド、エチルトリフェニルホスホニウムブロマイド、エチルトリフェニルホスホニウムアイオダイド、エチルトリフェニルホスホニウムアセテート、メチルトリ-n-ブチルホスホニウムジメチルホスフェート、n-ブチルトリフェニルホスホニウムブロマイド、ベンジルトリフェニルホスホニウムクロライド、テトラフェニルホスホニウムテトラフェニルボレート等のホスフィン類とその第四級塩、2-エチル-4-メチルイミダゾール、1,2-ジメチルイミダゾール、1-ベンジル-2-フェニルイミダゾール、2-メチルイミダゾール、2-フェニルイミダゾール、1-(2-シアノエチル)-2-エチル-4-メチルイミダゾール、2,4-ジアミノ-6-[2-メチルイミダゾリル-(1)]エチル-s-トリアジン、2-フェニルイミダゾリン、2,3-ジヒドロ-1H-ピロロ[1,2-a]ベンズイミダゾール等のイミダゾール類、トリス(ジメチルアミノメチル)フェノール、ベンジルジメチルアミン、テトラブチルアンモニウムブロミド等の3級アミンとその第四級塩、1,8-ジアザビシクロ(5,4,0)ウンデセン-7、1,5-ジアザビシクロ(4,3,0)ノネン-5等の超強塩基性の有機化合物、オクチル酸亜鉛、ラウリン酸亜鉛、ステアリン酸亜鉛、オクチル酸錫等の有機カルボン酸金属塩、ベンゾイルアセトン亜鉛キレート、ジベンゾイルメタン亜鉛キレートおよびアセト酢酸エチル亜鉛キレート等の金属-有機キレート化合物、テトラ-n-ブチルスルホニウム-o,o-ジエチルホスホロジチオネート、等が挙げられる。
本発明の硬化性組成物に含まれる光カチオン重合開始剤は、可視光線、紫外線、X線、電子線のような活性エネルギー線の照射によって、カチオン種又はルイス酸を発生させ、カチオン重合性化合物の重合反応を開始するものである。本発明の硬化性組成物に含まれる光カチオン重合開始剤としては、例えば、オニウム塩やメタロセン錯体、鉄-アレン錯体などの化合物を用いることができる。オニウム塩としては、芳香族スルホニウム塩、芳香族ヨードニウム塩、芳香族ジアゾニウム塩、芳香族ホスホニウム塩および芳香族セレニウム塩などが用いられ、これらの対イオンとしては、CF3SO3 -、BF4 -、PF6 -、AsF6 -、およびSbF6 -などのアニオンが用いられる。これらの中でも、300nm以上の波長領域でも紫外線吸収特性を有することから、硬化性に優れ、良好な機械強度や接着強度を有する硬化物を与えることができるため、芳香族スルホニウム塩系の光カチオン重合開始剤を使用することがより好ましい。また、本発明の硬化性組成物は、2種以上の光カチオン重合開始剤を含んでいてもよい。
本発明の硬化性組成物は、用途に応じて上記式(1)で表される化合物以外のエポキシ化合物(本明細書において、「その他のエポキシ化合物」と呼称することがある)を含んでいてもよい。例えば、グリシジルエーテル型エポキシド、グリシジルエステル型エポキシド、グリシジルアミン型エポキシドおよび脂環式エポキシド等、並びにそれらのオリゴマーおよびポリマーが挙げられる。
本発明の硬化性組成物は、低粘度化のために、反応性希釈剤をさらに含んでいてもよい。反応性希釈剤としては、例えば、調製例5に記載された方法により製造されたモノエポキシ化合物、ブチルグリシジルエーテル、2-エチルヘキシルグリシジルエーテル、C12-13混合アルコールのグリシジルエーテル、1,2-エポキシ-4-ビニルシクロヘキサン等が挙げられる。硬化性組成物は、上記したような反応性希釈剤を1種または2種以上含んでいてもよい。反応性希釈剤の混合比率は、反応性希釈剤を含む硬化性組成物が所望の粘度となるように、適宜調整すればよい。
本発明の硬化性組成物は、オキセタン化合物を含んでいてもよい。オキセタン化合物としては、1,4-ビス[(3-エチル-3-オキセタニルメトキシ)メチル]ベンゼン、3-エチル-3-ヒドロキシメチルオキセタン、3-エチル-3-(フェノキシメチル)オキセタン、ジ[(3-エチル-3-オキセタニル)メチル]エーテル、3-エチル-3-(2-エチルヘキシルオキシメチル)オキセタン、3-エチル-3-(シクロヘキシルオキシメチル)オキセタン、フェノールノボラックオキセタン、1,3-ビス[(3-エチルオキセタン-3-イル)]メトキシベンゼン、オキセタニルシルセスキオキサン、オキセタニルシリケート、ビス[1-エチル(3-オキセタニル)]メチルエーテル、4,4’-ビス[(3-エチル-3-オキセタニル)メトキシメチル]ビフェニル、4,4’-ビス(3-エチル-3-オキセタニルメトキシ)ビフェニル、エチレングリコール(3-エチル-3-オキセタニルメチル)エーテル、ジエチレングリコールビス(3-エチル-3-オキセタニルメチル)エーテル、ビス(3-エチル-3-オキセタニルメチル)ジフェノエート、トリメチロールプロパンプロパントリス(3-エチル-3-オキセタニルメチル)エーテル、ペンタエリスリトールテトラキス(3-エチル-3-オキセタニルメチル)エーテル、フェノールノボラック型オキセタン等が挙げられる。本発明の硬化性組成物は、上記したようなオキセタン化合物を1種または2種以上含んでいてもよい。
本発明の硬化性組成物は、ビニルエーテル化合物を含んでいてもよい。ビニルエーテル化合物としては、例えば、メチルビニルエーテル、エチルビニルエーテル、プロピルビニルエーテル、ブチルビニルエーテルなどの単官能ビニルエーテル、エチレングリコールジビニルエーテル、ブタンジオールジビニルエーテル、シクロヘキサンジメタノールジビニルエーテル、シクロヘキサンジオールジビニルエーテル、トリメチロールプロパントリビニルエーテル、ペンタエリスリトールテトラビニルエーテル、グリセロールトリビニルエーテル、トリエチレングリコールジビニルエーテル、ジエチレングリコールジビニルエーテル等の多官能ビニルエーテル、ヒドロキシエチルビニルエーテル、ヒドロキシブチルビニルエーテル、シクロヘキサンジメタノールモノビニルエーテル、シクロヘキサンジオールモノビニルエーテル、9-ヒドロキシノニルビニルエーテル、プロピレングリコールモノビニルエーテル、ネオペンチルグリコールモノビニルエーテル、グリセロールジビニルエーテル、グリセロールモノビニルエーテル、トリメチロールプロパンジビニルエーテル、トリメチロールプロパンモノビニルエーテル、ペンタエリスリトールモノビニルエーテル、ペンタエリスリトールジビニルエーテル、ペンタエリスリトールトリビニルエーテル、ジエチレングリコールモノビニルエーテル、トリエチレングリコールモノビニルエーテル、テトラエチレングリコールモノビニルエーテル、トリシクロデカンジオールモノビニルエーテル、トリシクロデカンジメタノールモノビニルエーテル等の水酸基を有するビニルエーテル化合物およびアクリル酸2-(2-ビニロキシエトキシ)エチル、メタクリル酸2-(2-ビニロキシエトキシ)エチル等の異種の官能基を有するビニルエーテル等が挙げられる。本発明の硬化性組成物は、上記したようなビニルエーテル化合物を1種または2種以上含んでいてもよい。
本発明の硬化性組成物は、水酸基を有する化合物をさらに含んでいてもよい。硬化性組成物が、水酸基を有する化合物を含むことにより、硬化反応を緩やかに進行させることができる。水酸基を有する化合物としては、例えば、エチレングリコール、ジエチレングリコール、グリセリン等が挙げられる。本発明の硬化性組成物は、上記したような水酸基を有する化合物を1種または2種以上含んでいてもよい。
本発明の硬化性組成物は、溶剤をさらに含んでいてもよい。溶剤としては、例えば、メチルエチルケトン、酢酸エチル、トルエン、メタノールおよびエタノール等が挙げられる。
本発明の硬化性組成物の製造においては、当業者に広く知られた技術常識に従い、硬化性組成物にさらに含有させる成分、および硬化性組成物の調製方法を適宜選択することができる。
(1)硬化の条件
本発明の硬化物は、上述した本発明の硬化性組成物を硬化させることにより得られる。硬化性組成物の硬化方法は特に限定されるものではないが、加熱または光照射により適宜行うことができる。
本発明の硬化性組成物および硬化物の用途としては、具体的には、金属、樹脂フィルム、ガラス、紙、木材等の基材上に塗布する塗料、半導体素子や有機薄膜素子(例えば、有機エレクトロルミネッセンス素子や有機薄膜太陽電池素子)の表面保護膜、ハードコート剤、防汚膜および反射防止膜等のコーティング剤、接着剤、粘着剤、レンズ、プリズム、フィルター、画像表示材料、レンズアレイ、光半導体素子の封止材やリフレクター材料、半導体素子の封止材、光導波路、導光板、光拡散板、回折素子および光学用接着剤等の各種光学部材、注型材料、層間絶縁体、プリント配向基板用保護絶縁膜および繊維強化複合材料等の材料等が挙げられる。
温度計、攪拌機、還流管、滴下装置を備えた反応容器に、下記式(4)で表されるジオレフィン化合物2511g、トルエン3765gおよび酢酸ナトリウム104gを投入し、10~19℃で攪拌しながら38%過酢酸水溶液5143gを23時間かけて滴下した。そのまま17~30℃で16時間攪拌を継続した。次いで、15%亜硫酸ナトリウム水溶液、水、20%NaOH水溶液で洗浄を行なった。得られた溶液をロータリーエバポレーターで濃縮し、粗体を2679g得た。
(分析条件)
測定機器:アジレント・テクノロジー株式会社製Agilent6850シリーズ
カラム:HP-1(アジレント・テクノロジー株式会社製)、ジメチルポリシロキサン、長さ:60.0m、内径:250μm、膜厚:0.25μm
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間)
組成物(A-1)を晶析精製した際に得られた母液濃縮物6.11gをシリカゲルカラムクロマトグラフィーにより精製することで、組成物(A-2)を3.48g得た。
組成物(A-1)1.73gと組成物(A-2)1.73gとを混合することにより組成物(A-3)を3.46g得た。
(1)実施例1-1
硬化性組成物の製造
上記調製例1に記載された方法により得られた組成物(A-1)、その他のエポキシ化合物(B-1)および熱カチオン重合開始剤を下記の組成となるように混合し、硬化性組成物を得た。
<硬化性組成物の組成>
・組成物(A-1) 50質量部(上記調製例1に記載された方法により得られたもの)
・その他のエポキシ化合物(B-1) 50質量部(ビスフェノールA型液状エポキシ樹脂、新日鉄住金化学製、商品名YD-128)
・熱カチオン重合開始剤 2質量部(芳香族スルホニウム塩:4-アセトキシフェニルジメチルスルホニウム ヘキサフルオロアンチモネート、三新化学工業社製、商品名:SI-150L)
組成物(A-1)を組成物(A-3)(上記調製例3に記載された方法により得られたもの)に変更した以外は、実施例1-1と同様にして硬化性組成物を得た。
組成物(A-1)を組成物(A-2)(上記調製例2に記載された方法により得られたもの)に変更した以外は、実施例1-1と同様にして硬化性組成物を得た。
上記実施例および参考例より得られた硬化性組成物を、熱風循環オーブンにより、130℃にて1時間、150℃にて1時間、190℃にて2時間、240℃にて1時間加熱し、硬化物を得た。
得られた硬化物のガラス転移温度を、SIIナノテクノロジー製示差走査熱量計DSC7020により、30~300℃まで10℃/minで昇温して測定し、硬化物の耐熱性とした。なお、ここでいうガラス転移温度は、JIS K7121「プラスチックの転移温度測定法」に記載されているうち「中間点ガラス転移温度:Tmg」に基づいて測定した。測定結果を表1にまとめた。
温度計、攪拌機、還流管、滴下装置を備えた反応容器に、クロロホルム59.2kg、下記式(4)で表されるジオレフィン化合物4.0kgを投入し、-10℃で攪拌しながらメタクロロ過安息香酸10.6kgを滴下した。室温まで昇温し、12時間反応を行った。次いで、ろ過により副生したメタクロロ安息香酸を除去した後、ろ液を5%亜硫酸ナトリウム水溶液42.0kgで洗浄した。有機層を更に1N水酸化ナトリウム水溶液41.6kgで4回洗浄後、飽和食塩水48.0kgで洗浄した。有機層を硫酸マグネシウムで乾燥後、ろ過により硫酸マグネシウムを除去してろ液を濃縮し、5.1kgの粗体を得た。
組成物(A-4)の1H NMRピークチャートを図5に、組成物(A-4)の13C NMRピークチャートを図6に示す。これらのNMR分析の結果および上記のクロマトグラフィーの分析結果から、組成物(A-4)中の上記最大ピークを占める化合物の母核構造は、以下の式(5)で表される立体配置を有するものと考えられた。
(1)実施例2-1
上記調製例4に記載された方法により得られた組成物(A-4)、酸無水物系硬化剤、硬化促進剤および水酸基を有する化合物を下記の組成となるように混合し、硬化性組成物を得た。
<硬化性組成物の組成>
・組成物(A-4) 100質量部(上記調製例4に記載された方法により得られたもの)
・酸無水物系硬化剤 131質量部(4-メチルヘキサヒドロ無水フタル酸とヘキサヒドロ無水フタル酸との混合物、エポキシド化合物(A)1当量に対して、0.9当量相当、新日本理化社製、商品名:MH-700)
・硬化促進剤 2質量部(2-エチル-4-メチルイミダゾール、四国化成社製、商品名:2E4MZ)
・水酸基を有する化合物 5質量部(エチレングリコール、和光純薬工業社製、試薬)
組成物(A-4)を組成物(A-2)(上記調製例2に記載された方法により得られたもの)に変更した以外は、実施例2-1と同様にして硬化性組成物を得た。
上記実施例および参考例より得られた硬化性組成物を、熱風循環オーブンにより、100℃にて1時間、110℃にて1時間、120℃にて2時間、190℃にて1時間、240℃にて2時間加熱し、硬化物を得た。
得られた硬化物のガラス転移温度を、実施例1に記載された方法により測定した。測定結果を表2にまとめた。
モノエポキシ化合物の製造例
温度計、攪拌機、還流管、滴下装置を備えた反応容器に、下記式(6)で表されるジオレフィン化合物3132g、トルエン3132gおよび酢酸ナトリウムを投入し、-5℃で攪拌しながら38%過酢酸水溶液3783gを5時間かけて滴下した。そのまま-5℃で攪拌を継続し、17時間反応を行った。
次いで、10%亜硫酸ナトリウム水溶液を用いて中和処理を行った後、分液操作を行った。圧力2hPa、塔底温度130~140℃で蒸留を行い、無色透明の液体2109gを得た。得られた液体は、13C NMRスペクトルおよびLC-MSによる精密質量測定において、理論構造に相当する[M+H]+=191.1439が得られたことから、式(7)を満たす目的のモノエポキシ化合物であることを確認した。粘度をE型粘度計を用いて測定したところ、11.0mPa・sであった。
Claims (23)
- 下記式(1):
で表される化合物の立体異性体のうち、少なくとも1種以上を含んでなる組成物であって、
該組成物を下記分析条件にてガスクロマトグラフィー分析して得られるガスクロマトグラムにおいて、該立体異性体に由来するピーク面積の総和に対して、最大ピークのピーク面積の割合が90%以上であることを特徴とする、組成物。
(分析条件)
カラム:HP-1(アジレント・テクノロジー株式会社製)、長さ:60.0m、内径:250μm、膜厚:0.25μm
液相:100%ジメチルポリシロキサン
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間) - 下記式(1):
で表される化合物の立体異性体のうち、少なくとも1種以上を含んでなる組成物であって、
該組成物を下記分析条件にてガスクロマトグラフィー分析して得られるガスクロマトグラムにおいて、保持時間29.0~32.0分の範囲におけるピーク面積の総和に対して、該範囲における最大ピークのピーク面積の割合が90%以上であることを特徴とする、組成物。
(分析条件)
カラム:HP-1(アジレント・テクノロジー株式会社製)、長さ:60.0m、内径:250μm、膜厚:0.25μm
液相:100%ジメチルポリシロキサン
キャリアガス:N2
流速:1.3mL/分
試料注入口温度:140℃
検出器温度:250℃
試料注入量:0.2μL
昇温条件:80℃(3分間)、80~150℃(10℃/分)、150~250℃(5℃/分)、250℃(20分間) - 前記最大ピークが、保持時間30.5分以降における前記立体異性体に由来するピークの内の1番目のピークである、請求項1~3のいずれか一項に記載の組成物。
- 前記最大ピークが、保持時間29.0~32.0分の範囲におけるピークの内の保持時間30.5分以降において1番目に生じるピークである、請求項1~3のいずれか一項に記載の組成物。
- 前記R1乃至R18は全て水素であり、前記最大ピークが、保持時間が30.3~30.9分の間に存在するピークである、請求項1~5のいずれか一項に記載の組成物。
- 請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物と、熱カチオン重合開始剤、酸無水物系硬化剤および硬化促進剤、並びに光カチオン重合開始剤からなる群より選択される1種とを含んでなる、硬化性組成物。
- 前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルからなる群より選択される1種または2種以上をさらに含む、請求項9に記載の硬化性組成物。
- 前記熱カチオン重合開始剤が、芳香族スルホニウム塩系の熱カチオン重合開始剤、芳香族ヨードニウム塩系の熱カチオン重合開始剤およびアルミニウム錯体系の熱カチオン重合開始剤からなる群から選択される、請求項9または10に記載の硬化性組成物。
- 前記熱カチオン重合開始剤が、芳香族スルホニウム塩系の熱カチオン重合開始剤である、請求項11に記載の硬化性組成物。
- 前記熱カチオン重合開始剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物およびビニルエーテルのいずれも含まない場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物の100質量部に対し、0.1~15質量部であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルからなる群より選択される1種または2種以上を含む場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルの総量100質量部に対して、0.1~15質量部である、請求項10~12のいずれか一項に記載の硬化性組成物。
- 前記酸無水物系硬化剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含まない場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物のエポキシ当量1当量に対して、0.6~1.2当量であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含む場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物、および該前記式(1)で表される化合物以外のエポキシ化合物からなるエポキシ化合物の混合物のエポキシ当量1当量に対して、0.6~1.2当量である、請求項10に記載の硬化性組成物。
- 前記硬化促進剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含まない場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物の100質量部に対して、0.1~10質量部であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物を含む場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物、および該前記式(1)で表される化合物以外のエポキシ化合物の総量100質量部に対して、0.1~10質量部である、請求項10または14に記載の硬化性組成物。
- 前記硬化促進剤が、イミダゾール系の硬化促進剤である、請求項9、14または15に記載の硬化性組成物。
- 請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物の含有量が、10~99質量%である、請求項11~16のいずれか一項に記載の硬化性組成物。
- 前記光カチオン重合開始剤が、芳香族スルホニウム塩系の光カチオン重合開始剤である、請求項9または10に記載の硬化性組成物。
- 前記光カチオン重合開始剤の含有量が、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物およびビニルエーテルのいずれも含まない場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物の100質量部に対して、0.1~20質量部であり、前記硬化性組成物が、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物、およびビニルエーテルからなる群より選択される1種または2種以上を含む場合は、前記硬化性組成物に含まれる請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物、前記式(1)で表される化合物以外のエポキシ化合物、オキセタン化合物およびビニルエーテルの総量100質量部に対して、0.1~20質量部である、請求項10または18に記載の硬化性組成物。
- 請求項1~7のいずれか一項に記載の組成物若しくは請求項8に記載のエポキシ化合物の含有量が、1~50質量%である、請求項18または19に記載の硬化性組成物。
- 前記式(1)で表される化合物以外のエポキシ化合物が、グリシジルエーテル型エポキシド、グリシジルエステル型エポキシド、および脂環式エポキシドからなる群から選択される、請求項10~20のいずれか一項に記載の硬化性組成物。
- 請求項9~21のいずれか一項に記載の硬化性組成物を硬化させる工程を含む、硬化物の製造方法。
- 請求項9~21のいずれか一項に記載の硬化性組成物の硬化物。
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CN201780034834.6A CN109312056B (zh) | 2016-06-10 | 2017-06-08 | 环氧化合物、包含该环氧化合物的固化性组合物以及使固化性组合物固化得到的固化物 |
US16/308,025 US11104686B2 (en) | 2016-06-10 | 2017-06-08 | Epoxy compound, curable composition containing the same, and cured product obtained by curing curable composition |
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US11104686B2 (en) | 2021-08-31 |
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EP3470449A4 (en) | 2019-12-11 |
CN109312056B (zh) | 2021-10-01 |
US20200308186A1 (en) | 2020-10-01 |
KR102304633B1 (ko) | 2021-09-23 |
TWI723175B (zh) | 2021-04-01 |
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