WO2022239797A1 - エポキシ樹脂組成物及びその硬化物 - Google Patents
エポキシ樹脂組成物及びその硬化物 Download PDFInfo
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- WO2022239797A1 WO2022239797A1 PCT/JP2022/019934 JP2022019934W WO2022239797A1 WO 2022239797 A1 WO2022239797 A1 WO 2022239797A1 JP 2022019934 W JP2022019934 W JP 2022019934W WO 2022239797 A1 WO2022239797 A1 WO 2022239797A1
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- Prior art keywords
- epoxy resin
- resin composition
- mass
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- compound
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- 239000004094 surface-active agent Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 150000004992 toluidines Chemical class 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical compound [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 description 1
- MOFPNEADTSBYFQ-UHFFFAOYSA-N tributan-2-yl borate Chemical compound CCC(C)OB(OC(C)CC)OC(C)CC MOFPNEADTSBYFQ-UHFFFAOYSA-N 0.000 description 1
- KDQYHGMMZKMQAA-UHFFFAOYSA-N trihexyl borate Chemical compound CCCCCCOB(OCCCCCC)OCCCCCC KDQYHGMMZKMQAA-UHFFFAOYSA-N 0.000 description 1
- DTBRTYHFHGNZFX-UHFFFAOYSA-N trioctyl borate Chemical compound CCCCCCCCOB(OCCCCCCCC)OCCCCCCCC DTBRTYHFHGNZFX-UHFFFAOYSA-N 0.000 description 1
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- LTEHWCSSIHAVOQ-UHFFFAOYSA-N tripropyl borate Chemical compound CCCOB(OCCC)OCCC LTEHWCSSIHAVOQ-UHFFFAOYSA-N 0.000 description 1
- LHJSLDBKUGXPMI-UHFFFAOYSA-N tris(2-methylpropyl) borate Chemical compound CC(C)COB(OCC(C)C)OCC(C)C LHJSLDBKUGXPMI-UHFFFAOYSA-N 0.000 description 1
- ZMCWFMOZBTXGKI-UHFFFAOYSA-N tritert-butyl borate Chemical compound CC(C)(C)OB(OC(C)(C)C)OC(C)(C)C ZMCWFMOZBTXGKI-UHFFFAOYSA-N 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 125000002256 xylenyl group Chemical class C1(C(C=CC=C1)C)(C)* 0.000 description 1
Classifications
-
- 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
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
Definitions
- the present invention relates to epoxy resin compositions and cured products thereof.
- Epoxy resins have excellent heat resistance, strength, chemical resistance, adhesiveness, etc., and are used in various applications such as fiber reinforcement, electronic parts, adhesives, and paints. ing.
- a composition containing an epoxy resin usually contains a curing agent for curing the composition, and may further contain a curing accelerator [e.g. , JP-A-2015-083634 (Patent Document 1) and JP-A-2013-032510 (Patent Document 2)].
- Epoxy resin compositions are required to have characteristics according to the application to which they are applied. In general, epoxy resin compositions are required to have a low viscosity and a long pot life at room temperature from the viewpoint of workability. In addition, epoxy resin compositions are sometimes required to have a low viscosity and a long pot life even at high temperatures, depending on the application.
- An object of the present invention is to provide an epoxy resin composition having low viscosity and a long pot life at room temperature (25°C) and high temperature (55°C), and a cured product thereof.
- the present invention provides the following epoxy resin composition, cured product, and the like.
- An epoxy resin composition comprising The curing agent (B) contains a compound (B-1) represented by the following formula (B-1), The content of the compound (B-2) represented by the following formula (B-2) in the curing agent (B) is 0 parts by mass or more and 2.0 parts by mass with respect to 100 parts by mass of the epoxy resin (A). is less than the epoxy resin composition.
- R 1 represents a hydrogen atom, a halogen atom, a methoxy group or a hydrocarbon group having 1 to 12 carbon atoms.
- R 2 represents a hydrogen atom, a halogen atom, a methyl group or a methoxy group.
- a prepreg comprising the epoxy resin composition according to any one of [1] to [6] and fibers.
- a composition comprising a cured product of the epoxy resin composition according to any one of [1] to [6] and fibers.
- Epoxy resin composition (hereinafter also referred to as "epoxy resin composition") according to the present invention comprises an epoxy resin (A), a curing agent (B), an imidazole adduct type curing accelerator (C), and a boron atom or It contains a Lewis acid compound (D) having an aluminum atom.
- the curing agent (B) includes a compound represented by the above formula (B-1) (hereinafter also referred to as “compound (B-1)”), and further a compound represented by the above formula (B-2). (hereinafter also referred to as “compound (B-2)”).
- the compounds exemplified as components that are contained or can be contained in the epoxy resin composition in this specification can be used singly or in combination.
- Epoxy resin (A) is not particularly limited as long as it has one or more epoxy groups in the molecule, but from the viewpoint of the curability of the epoxy resin composition and the heat resistance and strength of the cured product, preferably It includes epoxy resins having two or more epoxy groups, more preferably epoxy resins having two epoxy groups in the molecule.
- epoxy resins having two or more epoxy groups in the molecule include: Bisphenol A, bisphenol F, bisphenol AD, bisphenol S, biphenyldiol, naphthalene diol, polyhydric phenol compounds such as novolac resins obtained by condensation or co-condensation of phenols and aldehydes by reaction with epichlorohydrin.
- aromatic glycidyl ether type epoxy resin 1,4-Butanediol, 1,6-hexanediol, polyethylene glycol, polypropylene glycol, neopentyl glycol, glycerin, pentaerythritol, polyhydric alcohol compounds such as sorbitol, and aliphatic glycidyl obtained by reaction with epichlorohydrin ether type epoxy resin;
- a glycidyl ester type epoxy resin obtainable by reacting a polybasic acid such as phthalic acid, hexahydrophthalic acid, or dimer acid with epichlorohydrin;
- Glycidylamine-type epoxy resins obtainable by reacting amines such as aniline, toluidine, diaminodiphenylmethane, p-aminophenol and p-aminocresol with epichlorohydrin; Olefin compounds having two or more unsaturated bonds in the molecule, such as soybean
- the epoxy resin exemplified above may be an epoxy resin having two epoxy groups in the molecule.
- aromatic glycidyl ether type epoxy resins having two epoxy groups in the molecule include bisphenol A type epoxy resin, bisphenol F type epoxy resin, bisphenol AD type epoxy resin, bisphenol S type epoxy resin, and biphenyldiol type epoxy resin. , and naphthalene diol type epoxy resins.
- Examples of aliphatic glycidyl ether type epoxy resins having two epoxy groups in the molecule include hydrogenated bisphenol A type epoxy resin, 1,4-butanediol diglycidyl ether, 1,6-hexanediol diglycidyl ether, and polyethylene.
- Glycol diglycidyl ether, polypropylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether can be mentioned.
- Examples of glycidyl ester-type epoxy resins having two epoxy groups in the molecule include diglycidyl phthalate, diglycidyl hexahydrophthalate, and diglycidyl dimer acid.
- Examples of glycidylamine type epoxy resins having two epoxy groups in the molecule include glycidylaniline and glycidyltoluidine.
- the epoxy resin (A) preferably contains an aromatic glycidyl ether type epoxy resin, more preferably. contains a bisphenol type epoxy resin, more preferably a bisphenol A type epoxy resin.
- the epoxy resin (A) preferably contains a liquid epoxy resin, more preferably when the epoxy resin (A) contains one or more epoxy resins, the epoxy resin (A) as a whole is liquid. .
- Liquid as used herein means exhibiting fluidity at 25°C.
- a substance that is “liquid” in this specification usually exhibits viscosity, and its viscosity is measured by a viscometer using an electromagnetic spinning method (EMS viscometer) or by an E-type viscometer in a viscosity range that cannot be measured by an EMS viscometer.
- the viscosity at 25° C. may be from 0.0001 Pa ⁇ s to 1000 Pa ⁇ s, and may be from 0.001 Pa ⁇ s to 500 Pa ⁇ s.
- Liquid includes one or more components dispersed in another component. Examples of the case where the epoxy resin (A) is liquid as a whole include the following cases.
- epoxy resin (A) may comprise a solid epoxy resin.
- solid means solid at 25°C.
- the solid epoxy resin may be dissolved or dispersed in the liquid epoxy resin. In order to carry out the curing reaction uniformly, it is preferable that the solid epoxy resin is uniformly dissolved.
- the viscosity of the epoxy resin (A) (in the case of containing two or more epoxy resins, the viscosity as a mixture of the two or more epoxy resins) is
- the viscosity at 25° C. measured by an EMS viscometer is preferably 50 Pa ⁇ s or less, more preferably 40 Pa ⁇ s or less, and still more preferably 20 Pa ⁇ s or less.
- the viscosity of the epoxy resin (A) at 25°C is usually 0.01 Pa ⁇ s or more, may be 0.1 Pa ⁇ s or more, or may be 1 Pa ⁇ s or more.
- the viscosity of the epoxy resin (A) is preferably 0.01 Pa s or more and 50 Pa s or less, more preferably 0.1 Pa s or more and 40 Pa s or less, as determined by an EMS viscometer at 25°C, and 1 Pa s. Above 20 Pa ⁇ s or less is more preferable.
- Epoxy resins having two or more epoxy groups in the molecule may be used alone or in combination of two or more.
- the combined use of a bisphenol A type epoxy resin and a biphenyl type epoxy resin is preferable because it works favorably for achieving both good heat resistance and good tensile properties.
- the epoxy resin (A) preferably contains an epoxy resin having two epoxy groups in the molecule.
- the epoxy resin (A) is selected from the group consisting of epoxy resins having two epoxy groups in the molecule, epoxy resins having one epoxy group in the molecule, and epoxy resins having three or more epoxy groups in the molecule. and one or more epoxy resins.
- the content of the epoxy resin having two epoxy groups in the molecule in the epoxy resin (A) is, for example, 50 parts by mass or more in 100 parts by mass of the epoxy resin (A), and the properties of the cured product of the epoxy resin composition ( From the viewpoint of heat resistance and / or tensile properties, etc.), it is preferably 60 parts by mass or more, more preferably 70 parts by mass or more, still more preferably 80 parts by mass or more, and even more preferably 90 parts by mass. or more, and may be 100 parts by mass.
- the epoxy equivalent of the epoxy resin (A) (when it contains two or more epoxy resins, the epoxy equivalent as a mixture of the two or more epoxy resins) is determined by the tensile properties and heat resistance of the cured product of the epoxy resin composition. And from the viewpoint of strength and the like, it is preferably 30 g/eq to 500 g/eq, more preferably 40 g/eq to 400 g/eq, even more preferably 50 g/eq to 300 g/eq, and still more. It is preferably 50 g/eq or more and 250 g/eq or less.
- the epoxy equivalent of epoxy resin can be measured according to JIS K 7236.
- the curing agent (B) contains a compound capable of cross-linking and curing the epoxy resin (A).
- the curing agent (B) includes a compound (B-1) represented by the above formula (B-1), and a compound (B-2) represented by the above formula (B-2). may contain.
- the curing agent (B) may contain one type of compound (B-1), or may contain two or more types.
- the curing agent (B) may contain one compound (B-2) or two or more.
- R 1 represents a hydrogen atom, a halogen atom, a methoxy group, or a hydrocarbon group having 1 to 12 carbon atoms.
- Halogen atoms for R 1 include fluorine, chlorine, bromine and iodine atoms.
- Examples of the hydrocarbon group having 1 to 12 carbon atoms for R 1 include an aliphatic group (such as an alkyl group), an alicyclic group (such as a cycloalkyl group), an aromatic group, and a combination of an aliphatic group and an alicyclic group. and a hydrocarbon group consisting of a combination of an aromatic group and an aliphatic group and/or an alicyclic group.
- the number of carbon atoms in the hydrocarbon group is preferably 1-8.
- the hydrocarbon group is a methyl group or a 1-phenylethyl group.
- R 1 is preferably a hydrogen atom or a hydrocarbon group, more preferably a hydrogen atom.
- the positional relationship between the two OH groups of the compound (B-1) may be ortho, meta, or para. From the viewpoint of suppressing crystal precipitation at the ortho-position or meta-position, meta-position is more preferred.
- the compound (B-1) is used from the viewpoints of reducing the viscosity of the epoxy resin composition, suppressing crystal precipitation in the epoxy resin composition, and lowering the dissolution temperature during preparation of the epoxy resin composition. , preferably a compound having a melting point of 150°C or lower, more preferably a compound having a melting point of 130°C or lower.
- Examples of the compound (B-1) having a melting point of 150° C. or less include catechol (1,2-dihydroxybenzene), resorcin (1,3-dihydroxybenzene), 4-fluoro-1,3-dihydroxybenzene, 2- Chloro-1,3-dihydroxybenzene, 4-chloro-1,3-dihydroxybenzene, 2-methoxy-1,3-dihydroxybenzene, 4-methoxy-1,3-dihydroxybenzene, 5-methoxy-1,3- Dihydroxybenzene, 4-methyl-1,3-dihydroxybenzene, 5-methyl-1,3-dihydroxybenzene, 2-ethyl-1,3-dihydroxybenzene, 4-ethyl-1,3-dihydroxybenzene, 5-ethyl -1,3-dihydroxybenzene, 4-(1-phenylethyl)-1,3-dihydroxybenzene and the like.
- compound (B-1) contains 1,3-dihydroxybenzene.
- R 2 represents a hydrogen atom, a halogen atom, a methyl group or a methoxy group.
- Halogen atoms for R 2 include fluorine, chlorine, bromine and iodine atoms.
- R 2 is preferably a hydrogen atom, a methyl group or a methoxy group, more preferably a hydrogen atom.
- compound (B-1) contains 1,3-dihydroxybenzene and curing agent (B) contains compound (B-2), compound (B -2) contains dihydrocoumarin (R 2 : hydrogen atom).
- the curing agent (B) contains compound (B-1) and does not contain compound (B-2).
- compound (B-1) preferably comprises 1,3-dihydroxybenzene.
- the content of the compound (B-2) is 0 parts by mass or more and less than 2.0 parts by mass, preferably 0 parts by mass or more and 1.8 parts by mass or less with respect to 100 parts by mass of the epoxy resin (A), More preferably 0 parts by mass or more and 1.5 parts by mass or less, still more preferably 0 parts by mass or more and 1.0 parts by mass or less, still more preferably 0 parts by mass or more and 0.8 parts by mass or less, especially It is preferably 0 parts by mass or more and 0.5 parts by mass or less. Adjusting the content of the compound (B-2) within the above range is advantageous in terms of reducing the viscosity of the epoxy resin composition at high temperatures and extending the pot life at high temperatures. Advantageous for extension.
- Including the compound (B-1) in the epoxy resin composition is advantageous for improving the properties (heat resistance and/or tensile properties, etc.) of the cured product of the epoxy resin composition.
- the epoxy resin composition may further contain a compound having 3 or more phenolic hydroxyl groups.
- a compound having 3 or more phenolic hydroxyl groups By containing the compound, the properties (heat resistance and/or tensile properties, etc.) of the cured product of the epoxy resin composition may be improved.
- Examples of compounds having 3 or more phenolic hydroxyl groups include compounds in which one of the hydrogen atoms directly bonded to the benzene ring of the compound (B-1) is substituted with a hydroxyl group, phenolic resins, novolac resins, and the like.
- the epoxy resin composition may contain a compound having one phenolic hydroxyl group.
- Compounds having one phenolic hydroxyl group include phenol, cresol, xylenol, t-butylphenol and the like.
- the molar ratio of the phenolic hydroxyl group content to the epoxy group content in the epoxy resin composition is, for example, 0.20 or more and 0.75 or less, and improves the properties (heat resistance and/or tensile properties, etc.) of the cured product. From the viewpoint, it is preferably 0.25 or more and 0.67 or less, more preferably 0.3 or more and 0.6 or less, still more preferably 0.35 or more and 0.55 or less, and even more preferably 0.55 or less. It is 4 or more and 0.5 or less.
- Epoxy group content in the epoxy resin composition refers to the number (number of moles) of epoxy groups possessed by the epoxy resin (A).
- the "phenolic hydroxyl group content” is the phenolic hydroxyl group content in the epoxy resin composition, and the number (number of moles) of phenolic hydroxyl groups possessed by the compound (B-1) and the number of moles other than the compound (B-1) and the number (number of moles) of phenolic hydroxyl groups possessed by the phenolic compound having phenolic hydroxyl groups.
- the content of the compound (B-1) in the epoxy resin composition is preferably such that the molar ratio is within the above range, for example, 1 part by mass or more and 30 parts by mass with respect to 100 parts by mass of the epoxy resin (A). parts by mass or less, preferably 5 parts by mass or more and 25 parts by mass or less, more preferably 8 parts by mass or more and 22 parts by mass or less.
- the ratio of the content of the compound (B-2) to the content of the compound (B-1) in the epoxy resin composition is preferably 0 or more and 2 or less, more preferably 0 or more and 1 or less, still more preferably 0 or more and 0.5 or less, even more preferably 0 or more and 0.3 or less, particularly preferably 0 or more and 0.2 It is below.
- the epoxy resin composition may further contain epoxy resin curing agents other than those described above.
- Other curing agents for epoxy resins may be conventionally known curing agents.
- the content of other epoxy resin curing agents in the curing agent (B) is 100 parts by mass, it is preferably 20 parts by mass or less, more preferably 10 parts by mass or less, still more preferably 5 parts by mass or less, and even more preferably 1 part by mass. below (for example, 0 parts by mass).
- Imidazole adduct type curing accelerator refers to an agent that has the function of accelerating the curing reaction.
- acceleration as used herein includes the case of initiating a curing reaction.
- an imidazole adduct type curing accelerator (C) is used among curing accelerators.
- the use of the imidazole adduct type curing accelerator (C) can be advantageous in achieving both pot life and curability (rapid curability, etc.) at room temperature and high temperature of the epoxy resin composition. This is because the imidazole adduct type curing accelerator (C) causes a curing reaction between the epoxy resins (A) and a curing reaction between the epoxy resin (A) and the compound (B-1) and the compound (B-2) (if included). This is because the reaction can be effectively initiated and/or accelerated, and the imidazole adduct type curing accelerator (C) generally has a latent potential, which works favorably in extending the pot life. presumed to be.
- the use of the imidazole adduct type curing accelerator (C) as the curing accelerator is advantageous in enabling the curing reaction at a relatively low temperature, and also in enhancing the storage stability of the epoxy resin composition. But it is advantageous.
- the imidazole adduct type curing accelerator (C) may be used alone or in combination of two or more.
- “Latent” means that it can be stably stored at room temperature (25°C) in the presence of an epoxy resin or in the presence of an epoxy resin and a curing agent, while accelerating the curing reaction by heat, light, pressure, or the like. It refers to the property of being able to express a function.
- the imidazole adduct-type curing accelerator (C) used in the present invention preferably has a property (thermal latency) capable of exhibiting the function of accelerating the curing reaction by heat.
- the imidazole adduct type curing accelerator (C) is latent even at 55 ° C. (In the presence of an epoxy resin, or in the presence of an epoxy resin and a curing agent, it can be stably stored, while it can be stored stably by heat, light, pressure, etc. (property capable of exhibiting the function of accelerating the curing reaction).
- the imidazole adduct type curing accelerator (C) is a compound obtained by adding an adduct to an imidazole compound. Latency is imparted by the addition of adducts.
- An adduct is, for example, a compound that can be attached to the N-atom of the imidazole ring, preferably to the N-atom in the 1-position, by reaction with an imidazole compound. Said bond is usually a covalent bond.
- the adduct is preferably a compound that can impart good latency, and examples thereof include epoxy compounds, isocyanate compounds, (meth)acrylic compounds, and urea compounds.
- the imidazole adduct type curing accelerator (C) is preferably a polymer compound obtained by reacting the above adduct with an imidazole compound.
- the adduct may be made into a solid solution with a phenol resin or the like, or may be surface-treated with an organic acid, a boric acid compound, or the like.
- the imidazole adduct type curing accelerator (C) thus produced is usually pulverized to a particle size of about 0.5 to 50 ⁇ m and dispersed in an epoxy resin for use.
- the imidazole adduct-type curing accelerator (C) generally has low solubility in epoxy resin at room temperature, so the imidazole adduct-type curing accelerator (C) mixed with the epoxy resin often exhibits thermal latency.
- Imidazole adduct type curing accelerator is known patent literature, for example, JP-A-59-053526, JP-A-60-004524, JP-A-60-072917, JP-A-2005-206744 JP, JP-A-06-073156, JP-A-06-172495, JP-A-2008-214567, JP-A-2014-177525, and the like.
- a commercially available product may be used as the imidazole adduct type curing accelerator (C).
- all are trade names, "Fujicure FXR-1020", “Fujicure FXR-1030", “Fujicure FXR-1032", “Fujicure FXR-1081”, “ “FXR-1121”, “FXR-1131” (manufactured by T&K TOKA Co., Ltd.); “ADEKA Hardener EH-5011S”, “EH-5046S” (manufactured by ADEKA Co., Ltd.); “Cure Duct P- 0505” (manufactured by Shikoku Kasei Co., Ltd.); “Amicure PN-23”, “Amicure PN-23J”, “Amicure PN-31”, “Amicure PN-31J”, “Amicure PN-40”, “Amicure PN- 40J", "PN
- the epoxy resin composition may contain one or more curing accelerators other than the imidazole adduct type curing accelerator (C) as long as the effects of the present invention are not impaired.
- curing accelerators are not particularly limited, and examples include tertiary amine compounds and salts thereof, imidazole compounds (non-adduct type), imidazolium salts, phosphorus compounds such as triphenylphosphine and phosphonium salts, and metal carboxylates. salts, 2,3-dihydro-1H-pyrrolo[1,2-a]benzimidazole (TBZ) and the like.
- the content of the other curing accelerator in the curing accelerator is preferably 20 parts by mass or less when the total amount of the curing accelerator is 100 parts by mass. It is preferably 10 parts by mass or less, more preferably 5 parts by mass or less, and even more preferably 1 part by mass or less (for example, 0 parts by mass).
- the content of the imidazole adduct type curing accelerator (C) in the epoxy resin composition is, for example, 1 part by mass or more and 50 parts by mass or less with respect to 100 parts by mass of the epoxy resin (A). From the viewpoint of expression, it is preferably 2 parts by mass or more and 40 parts by mass or less, more preferably 3 parts by mass or more and 30 parts by mass or less, still more preferably 5 parts by mass or more and 20 parts by mass or less, still more preferably It is 5 parts by mass or more and 15 parts by mass or less.
- Lewis acid compound (D) The epoxy resin composition contains a Lewis acid compound (D) having a boron atom or an aluminum atom (hereinafter also simply referred to as "Lewis acid compound (D)").
- Lewis acid compound (D) By including the Lewis acid compound (D) in the epoxy resin composition, it is possible to reduce the viscosity at room temperature and high temperature, and to extend the pot life.
- Lewis acid compound (D) in the epoxy resin composition it is possible to reduce the viscosity at normal temperature and high temperature, extend the pot life, and improve the fast curing property without impairing the rapid curing property. It is also possible to obtain a cured product of the epoxy resin composition having (heat resistance and/or tensile properties, etc.).
- the Lewis acid compound (D) is preferably liquid.
- the meaning of "liquid” is as described above.
- the epoxy resin composition can contain one or more Lewis acid compounds (D).
- Lewis acid compound (D) is a compound represented by the following formula (1).
- X represents B (boron atom) or Al (aluminum atom).
- R 3 , R 4 and R 5 are each independently a linear or branched alkyl group having 1 to 22 carbon atoms or an aryl group having 6 to 22 carbon atoms, or represented by the following formula (2) It is a monovalent group.
- Each of R 3 , R 4 and R 5 may be substituted with any substituent.
- R 6 and R 7 are each independently a linear or branched alkyl group having 1 to 22 carbon atoms, an aryl group having 6 to 22 carbon atoms or an oxyalkyl group having 1 to 22 carbon atoms. be. Each of R 6 and R 7 may be substituted with any substituent.
- R 3 , R 4 and R 5 are each independently preferably a linear or branched alkyl group having 1 to 22 carbon atoms or a group represented by formula (2), more preferably A linear or branched alkyl group having 1 to 12 carbon atoms or a group represented by formula (2), more preferably a linear or branched alkyl group having 2 to 8 carbon atoms or a group represented by formula (2) .
- R 6 and R 7 are each independently preferably a straight or branched alkyl group having 1 to 22 carbon atoms or an oxyalkyl group having 1 to 22 carbon atoms, more preferably a straight chain having 1 to 12 carbon atoms Alternatively, it is a branched alkyl group or an oxyalkyl group having 1 to 12 carbon atoms, more preferably a linear or branched alkyl group having 2 to 8 carbon atoms or an oxyalkyl group having 1 to 8 carbon atoms.
- Examples of the Lewis acid compound (D) in which X in formula (1) is B include triethylborate, tri-n-propylborate, tri-i-propylborate, tri-n-butylborate, tri-i-butylborate, tri- sec-butylborate, tri-t-butylborate, tri-n-hexylborate, tri-n-octylborate.
- the Lewis acid compound (D) in which X in formula (1) is Al includes, for example, aluminum sec-butoxide, aluminum diisopropylate monosec-butylate, aluminum ethylacetoacetate diisopropylate, aluminum ethylacetoacetate diisopropylate aluminum tris(ethylacetoacetate), aluminum monoacetylacetonate bis(ethylacetoacetate), aluminum stearylacetoacetate diisopropylate.
- the content of the Lewis acid compound (D) in the epoxy resin composition is, for example, 0.01 parts by mass or more with respect to 100 parts by mass of the epoxy resin (A). It is 30 parts by mass or less, preferably 0.05 parts by mass or more and 20 parts by mass or less, more preferably 0.1 part by mass, from the viewpoint of reducing the viscosity at normal temperature and high temperature and from the viewpoint of extending the pot life at normal temperature and high temperature. It is from 0.2 to 5 parts by mass, and even more preferably from 0.3 to 3 parts by mass.
- the epoxy resin composition may further contain other compounding components other than the components described above.
- compounding components include, for example, rubber particles, inorganic particles (particles made of metals such as aluminum, metal compounds such as calcium carbonate and silica), flame retardants, surface treatment agents, release agents, antibacterial agents, leveling agents, Defoamers, thixotropic agents, heat stabilizers, light stabilizers, ultraviolet absorbers, colorants, coupling agents, surfactants, metal alkoxides (those not belonging to Lewis acid compounds (D)), thermoplastic resins, diluents and the like.
- inorganic particles particles made of metals such as aluminum, metal compounds such as calcium carbonate and silica
- flame retardants surface treatment agents, release agents, antibacterial agents, leveling agents, Defoamers, thixotropic agents, heat stabilizers, light stabilizers, ultraviolet absorbers, colorants, coupling agents, surfactants, metal alkoxides (those not belonging to Lewis acid compounds (D)), thermoplastic resins, diluents and the like.
- rubber particles examples include core-shell acrylic rubber particles, surface-modified acrylic rubber particles, crosslinked NBR particles, and silicone rubber particles. These rubber particles may be conventionally known ones.
- the average particle size of the rubber particles is, for example, 0.05 ⁇ m or more and 1 ⁇ m or less, preferably 0.2 ⁇ m or more and 0.5 ⁇ m or less.
- Rubber particles Only one kind of rubber particles may be used, or two or more kinds thereof may be used in combination.
- a commercially available product may be used as the rubber particles, or a dispersed product in which rubber particles are previously dispersed in an epoxy resin may be used.
- Commercially available products of rubber particles or dispersions thereof include trade names of "Acryset BPA328" (manufactured by Nippon Shokubai Co., Ltd.); ”, “Same MX-960” (manufactured by Kaneka Co., Ltd.); “Staphyroid AC” series (manufactured by Aica Kogyo Co., Ltd.); “Paraloid EXL” series (manufactured by Dow); “XER-91” (manufactured by JSR Corporation); “GENIOPERL P52” (manufactured by Asahi Kasei Wacker Silicone Co., Ltd.).
- the content of the rubber particles in the epoxy resin composition is, for example, 1 part by mass or more and 100 parts by mass or less with respect to 100 parts by mass of the epoxy resin (A), and from the viewpoint of more effectively expressing the above effects, preferably It is 5 parts by mass or more and 80 parts by mass or less, more preferably 10 parts by mass or more and 50 parts by mass or less.
- the content of the rubber particles in the epoxy resin composition is, for example, 1% by mass or more and 50% by mass or less with respect to the entire composition, and from the viewpoint of more effectively expressing the above effects, it is preferably 2% by mass or more and 30% by mass. % by mass or less, more preferably 2% by mass or more and 20% by mass or less.
- Epoxy resin composition comprising an epoxy resin (A), a compound (B-1), an imidazole adduct-type curing accelerator (C), and an optionally added compound (B-2) and other components.
- the epoxy resin composition according to is preferably liquid. The meaning of "liquid” is as described above.
- liquid epoxy resin composition all the components contained therein may be dissolved, or one or more components may be dispersed in other components.
- the liquid epoxy resin composition according to the present invention can have a low viscosity.
- the low viscosity can improve the productivity and workability of products using the epoxy resin composition.
- a method for producing a molding material (composition) containing a cured product of an epoxy resin composition and fibers or the like includes a step of impregnating a fiber fabric or fiber bundle with an epoxy resin composition. The impregnability of the epoxy resin composition can be enhanced by using the epoxy resin composition.
- the viscosity of the epoxy resin composition is preferably 50 Pa ⁇ s or less, more preferably 40 Pa ⁇ s or less, still more preferably 30 Pa ⁇ s or less, as determined by an EMS viscometer at 25°C. It is preferably 25 Pa ⁇ s or less, and particularly preferably 20 Pa ⁇ s or less.
- the viscosity of the epoxy resin composition at 25° C. is usually 0.01 Pa ⁇ s or more, may be 0.1 Pa ⁇ s or more, or may be 1 Pa ⁇ s or more.
- the viscosity of the epoxy resin composition is preferably 0.01 Pa s or more and 50 Pa s or less, more preferably 0.1 Pa s or more and 40 Pa s or less, as determined by an EMS viscometer at 25°C, and 1 Pa s or more. 30 Pa ⁇ s or less is more preferable, 1 Pa ⁇ s or more and 25 Pa ⁇ s or less is still more preferable, and 1 Pa ⁇ s or more and 20 Pa ⁇ s or less is particularly preferable.
- the viscosity of the epoxy resin composition measured by a rheometer at 55° C., is preferably 20 Pa ⁇ s or less, more preferably 10 Pa ⁇ s or less, even more preferably 5 Pa ⁇ s or less, and still more preferably It is 2 Pa ⁇ s or less, and particularly preferably 1 Pa ⁇ s or less.
- the viscosity of the epoxy resin composition at 25° C. is usually 0.01 Pa ⁇ s or more, may be 0.05 Pa ⁇ s or more, or may be 0.1 Pa ⁇ s or more.
- the viscosity of the epoxy resin composition is preferably 0.01 Pa ⁇ s or more and 20 Pa ⁇ s or less, more preferably 0.05 Pa ⁇ s or more and 10 Pa ⁇ s or less, and 0.1 Pa ⁇ s or more. 5 Pa ⁇ s or less is more preferable, 0.1 Pa ⁇ s or more and 2 Pa ⁇ s or less is still more preferable, and 0.1 Pa ⁇ s or more and 1 Pa ⁇ s or less is particularly preferable.
- the epoxy resin composition according to the present invention can have a long pot life.
- the epoxy resin composition preferably has a viscosity within the above range when the composition is stored at 25° C. for 1 day or more, 5 days or more, 7 days or more, or 9 days or more after preparation.
- the pot life at 55° C. is defined as the time from the lowest viscosity to the time when the viscosity doubles when the rheometer measurement is performed at 55° C.
- the pot life at 55° C. of the epoxy resin composition is, for example, 500 seconds. or more, preferably 700 seconds or more, more preferably 1000 seconds or more, and even more preferably 1200 seconds or more.
- the epoxy resin composition according to the present invention can exhibit good curability. That is, the epoxy resin composition can be sufficiently cured in a relatively short thermal curing time and/or at a relatively low temperature.
- the cured product according to the present invention is obtained by curing the epoxy resin composition according to the present invention.
- the cured product of the present invention is the cured product of the epoxy resin composition of the present invention, it can have good heat resistance or even better tensile properties.
- the cured product according to the present invention can exhibit a glass transition temperature of, for example, 90°C or higher, further 100°C or higher, further 110°C or higher, further 115°C or higher.
- the cured product according to the present invention has an elongation at break in tensile properties conforming to JIS K 7161-1 and JIS K 7161-2, for example, 5% or more, further 6% or more, further 7% or more, and further 8%. more, or even 10% or more.
- the epoxy resin composition according to the present invention and its cured product have excellent heat resistance and excellent tensile properties. In addition, it can be used as a resin composition for impregnating fibers. In addition, the epoxy resin composition according to the present invention has low viscosity and excellent impregnating properties at room temperature and high temperature, has a long pot life at room temperature and high temperature, and cures in a short time (for example, 135° C., 15 minutes) by heating. , Since it is excellent in productivity, it can be suitably used as a resin composition for sealing electronic members and impregnating fibers.
- the present invention also relates to products or parts containing the cured product.
- An example of the product is a molding (composition) containing the cured product and fibers.
- the product or part containing the cured product may contain components other than the component derived from the epoxy resin composition (cured product), such as fibers.
- Fibers such as PAN-based carbon fibers, pitch-based carbon fibers, glass fibers, aramid fibers, and kenaf fibers can be used as the fibers used in combination with the epoxy resin composition according to the present invention.
- a known sizing treatment may be performed on the surface of the fiber.
- a known method can be used as a method for forming a molded product by combining the epoxy resin composition and the fiber according to the present invention.
- a wet filament winding method in which fibers are impregnated with an epoxy resin composition, wound around a mold such as a mandrel, molded, and cured by heating;
- a dry filament winding method in which a tuple prepreg in which fibers are pre-impregnated with an epoxy resin composition is prepared, the tuple prepreg is wound around a molding die such as a mandrel, molded, and heat-cured;
- a resin transfer molding method in which a fiber fabric is prepared, the fiber fabric is laminated on a mold, and the preform is prepared by press-pressing, impregnated with an epoxy resin composition in a vacuum, and heat-cured;
- a sheet winding method in which a prepreg is prepared by pre-impregnating a fiber fabric with an epoxy resin composition, wrapped around a molding die such as a mand
- the present invention also provides a cured prepreg containing the epoxy resin composition and fibers according to the present invention.
- An example of the cured prepreg is a cured prepreg (tup prepreg, etc.) obtained by pre-impregnating a fiber or fabric of fibers with an epoxy resin composition.
- the cured product may be a cured molded product as described above.
- Epoxy resin 1 Liquid epoxy resin manufactured by ADEKA Corporation Trade name “ADEKA RESIN EP-4300E” (bisphenol A type epoxy resin, epoxy equivalent: 185 g/eq, viscosity: 8 Pa s (25°C))
- Curing agent 1 1,3-dihydroxybenzene (resorcinol)
- Curing agent 2 dihydrocoumarin
- Curing accelerator 1 imidazole adduct type curing accelerator manufactured by ADEKA Corporation Trade name “ADEKA HARDNER EH-5011S” (latency)
- Lewis acid compound 1 tri-n-butyl borate
- Lewis acid compound 2 triethyl borate
- the pot life can be evaluated from the amount of increase in viscosity with respect to the storage period.
- Viscosity and pot life of epoxy resin composition (55°C) The viscosity behavior of the prepared epoxy resin composition was measured using a rheometer ("MCR302" manufactured by AntonPaar) at a rotation speed of 10 rpm at 55°C. Tables 1 and 2 show the minimum viscosity and pot life obtained from the measurement results. The pot life at 55°C is defined as the time from the lowest viscosity measured at 55°C until the viscosity doubles.
- Tg (° C.) was defined as the midpoint of the step-like change in the DSC curve observed when the temperature was raised at a rate of temperature rise of 1 min.
- the epoxy resin composition was poured into a metal mold heated to a predetermined temperature, held at the same temperature for 30 minutes, and cured to obtain a plate-shaped cured product.
- a strip test piece was cut out from this plate-shaped cured product.
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Abstract
Description
[1] エポキシ樹脂(A)と、
硬化剤(B)と、
イミダゾールアダクト型硬化促進剤(C)と、
ホウ素原子又はアルミニウム原子を有するルイス酸化合物(D)と、
を含むエポキシ樹脂組成物であって、
前記硬化剤(B)は、下記式(B-1)で表される化合物(B-1)を含み、
前記硬化剤(B)における下記式(B-2)で表される化合物(B-2)の含有量は、前記エポキシ樹脂(A)100質量部に対して0質量部以上2.0質量部未満である、エポキシ樹脂組成物。
[2] 前記ルイス酸化合物(D)の含有量は、前記エポキシ樹脂(A)100質量部に対して0.01質量部以上30質量部以下である、[1]に記載のエポキシ樹脂組成物。
[8] [1]~[6]のいずれかに記載のエポキシ樹脂組成物と繊維を含むプリプレグ。
本発明に係るエポキシ樹脂組成物(以下、「エポキシ樹脂組成物」ともいう。)は、エポキシ樹脂(A)、硬化剤(B)、イミダゾールアダクト型硬化促進剤(C)、及び、ホウ素原子又はアルミニウム原子を有するルイス酸化合物(D)を含む。
エポキシ樹脂(A)としては、分子内にエポキシ基を1個以上有する限り特に制限されないが、エポキシ樹脂組成物の硬化性並びに硬化物の耐熱性及び強度等の観点から、好ましくは、分子内にエポキシ基を2個以上有するエポキシ樹脂を含み、より好ましくは、分子内にエポキシ基を2個有するエポキシ樹脂を含む。
ビスフェノールA、ビスフェノールF、ビスフェノールAD、ビスフェノールS、ビフェニルジオール、ナフタレンジオール、フェノール類とアルデヒド類とを縮合又は共縮合させて得られるノボラック樹脂等の多価フェノール化合物と、エピクロルヒドリンとの反応によって得ることができる芳香族グリシジルエーテル型エポキシ樹脂;
1,4-ブタンジオール、1,6-ヘキサンジオール、ポリエチレングリコール、ポリプロピレングリコール、ネオペンチルグリコール、グリセリン、ペンタエリスリトール、ソルビトール等の多価アルコール化合物と、エピクロルヒドリンとの反応によって得ることができる脂肪族グリシジルエーテル型エポキシ樹脂;
フタル酸、ヘキサヒドロフタル酸、ダイマー酸等の多塩基酸と、エピクロルヒドリンとの反応によって得ることができるグリシジルエステル型エポキシ樹脂;
アニリン、トルイジン、ジアミノジフェニルメタン、p-アミノフェノール、p-アミノクレゾール等のアミンと、エピクロルヒドリンとの反応によって得ることができるグリシジルアミン型エポキシ樹脂;
大豆油、ポリブタジエン等の分子内に2個以上の不飽和結合を有するオレフィン系化合物や、インデン、4-ビニル-1-シクロヘキセン、3-シクロヘキセン-1-カルボン酸(3-シクロヘキセニル)メチル等の分子内に2個以上の不飽和結合を有する環状オレフィン化合物を過酸(過酢酸等)で酸化することによって得ることができる脂環エポキシ樹脂
等が挙げられる。
エポキシ樹脂(A)全体として液状である場合としては、例えば以下の場合が挙げられる。
b)エポキシ樹脂(A)が2種以上の液状エポキシ樹脂の混合物である場合
c)エポキシ樹脂(A)が1種以上の液状エポキシ樹脂と1種以上の固体エポキシ樹脂との混合物であり、該混合物が液状である場合
d)エポキシ樹脂(A)が2種以上の固体エポキシ樹脂の混合物であり、該混合物が液状である場合
したがって、エポキシ樹脂(A)は、固体エポキシ樹脂を含み得る。本明細書において「固体」とは、25℃において固体であることをいう。固体エポキシ樹脂は、液状エポキシ樹脂に溶解していてもよいし、分散されていてもよい。硬化反応を均一に行うために、固体エポキシ樹脂は均一に溶解していることが好ましい。
硬化剤(B)は、エポキシ樹脂(A)を架橋硬化させることができる化合物を含む。該化合物として、硬化剤(B)は、上記式(B-1)で表される化合物(B-1)を含み、さらに上記式(B-2)で表される化合物(B-2)を含んでいてもよい。
本明細書において「硬化促進剤」とは、硬化反応を促進させる機能を有する剤をいう。ここでいう「促進」には、硬化反応を開始させる場合も含まれる。
エポキシ樹脂組成物は、ホウ素原子又はアルミニウム原子を有するルイス酸化合物(D)(以下、単に「ルイス酸化合物(D)」ともいう。)を含む。エポキシ樹脂組成物がルイス酸化合物(D)を含むことにより、常温及び高温における粘度を低下させることが可能になるとともにポットライフを延長させることが可能になる。また、エポキシ樹脂組成物がルイス酸化合物(D)を含むことにより、常温及び高温における粘度を低下させ、ポットライフを延長させることが可能になるとともに、速硬化性を損なうことなく、良好な特性(耐熱性及び/又は引張特性等)を有するエポキシ樹脂組成物の硬化物を得ることも可能となる。
ルイス酸化合物(D)は、下記式(1)で表される化合物である。
エポキシ樹脂組成物は、上述した成分以外の他の配合成分をさらに含むことができる。
ゴム粒子の添加により、エポキシ樹脂組成物の硬化物において、良好な耐熱性を維持しながら、靱性を向上させることが可能となる。
ゴム粒子として市販品が用いられてもよいし、あらかじめエポキシ樹脂にゴム粒子が分散された分散品を用いてもよい。ゴム粒子又は該分散品の市販品としては、いずれも商品名で、「アクリセット BPA328」(株式会社日本触媒製);「カネエース MX-153」、「同 MX-154」、「同 MX-257」、「同 MX-960」(以上、株式会社カネカ製);「スタフィロイド AC」シリーズ(アイカ工業株式会社製);「パラロイド EXL」シリーズ(ダウ社製);「メタブレン」(三菱ケミカル株式会社製);「XER-91」(JSR株式会社製);「GENIOPERL P52」(旭化成ワッカーシリコーン株式会社製)等が挙げられる。
エポキシ樹脂(A)、化合物(B-1)及びイミダゾールアダクト型硬化促進剤(C)、並びに任意で添加される化合物(B-2)及びその他の成分を含む本発明に係るエポキシ樹脂組成物は、好ましくは液状である。「液状」の意味は上述のとおりである。
本発明に係る硬化物は、上記本発明に係るエポキシ樹脂組成物を硬化させてなるものである。
繊維にエポキシ樹脂組成物を含浸して、マンドレル等の成型金型に巻き付けて成形し、加熱硬化させる、ウェットフィラメントワインディング法;
繊維にエポキシ樹脂組成物を予め含浸させたトゥプリプレグを準備し、トゥプリプレグをマンドレル等の成型金型に巻き付けて成形し、加熱硬化させる、ドライフィラメントワインディング法;
繊維の織物を作製し、金型に繊維織物を積層してプレス加圧して作製したプリフォームに、エポキシ樹脂組成物を真空含浸して、加熱硬化する、レジントランスファーモールド法;
繊維の織物にエポキシ樹脂組成物を予め含浸させたプリプレグを準備し、マンドレル等の成型金型に巻き付けて成形し、加熱硬化させる、シートワインディング法;
繊維の織物にエポキシ樹脂組成物を予め含浸させたプリプレグを準備し、金型にプリプレグを積層し、プレスで加熱・加圧硬化させる、プレス成形法;
繊維の織物にエポキシ樹脂組成物を予め含浸させたプリプレグを準備し、プリプレグを成形冶具に載せてバッグフィルムで覆い、オートクレーブ中で加熱・加圧硬化させる、オートクレーブ成形法;
等が挙げられる。
(1)エポキシ樹脂組成物の調製
下記表1及び表2に示される各成分を、下記表1及び表2に示される配合量で混合して、エポキシ樹脂組成物を調製した。表1及び表2において、各成分の配合量の単位は質量部である。すべての実施例及び比較例において、得られたエポキシ樹脂組成物は、液状であった(25℃で流動性あり)。
〔a〕エポキシ樹脂1:株式会社ADEKA製の液状エポキシ樹脂 商品名「アデカレジンEP-4300E」(ビスフェノールA型エポキシ樹脂、エポキシ当量:185g/eq、粘度:8Pa・s(25℃))
〔b〕硬化剤1:1,3-ジヒドロキシベンゼン(レゾルシン)
〔c〕硬化剤2:ジヒドロクマリン
〔d〕硬化促進剤1:株式会社ADEKA製のイミダゾールアダクト型硬化促進剤 商品名「アデカハードナー EH-5011S」(潜在性)
〔e〕ルイス酸化合物1:トリn-ブチルボレート
〔f〕ルイス酸化合物2:トリエチルボレート
(2)エポキシ樹脂組成物及びその硬化物の評価
(2-1)エポキシ樹脂組成物の粘度及びポットライフ(25℃)
調製直後、調製後所定の期間、25℃恒温槽内で保管したエポキシ樹脂組成物のそれぞれについて、約2gのエポキシ樹脂組成物を4.7mmアルミニウム球状プローブとともに試料管に封入した。この試験管を25℃に設定された京都電子工業株式会社製 EMS粘度計(EMS-1000)にセットし、モーター回転数1000rpm、測定時間2分、測定間隔30秒の条件でエポキシ樹脂組成物の粘度を測定した。結果を表1及び表2に示す。表1及び表2において「-」は、測定を行わなかったことを意味する。
(2-2)エポキシ樹脂組成物の粘度及びポットライフ(55℃)
調製したエポキシ樹脂組成物について、レオメータ(AntonPaar社製「MCR302」)を用いて、回転数10rpmの条件で55℃における粘度挙動を測定した。測定結果から得られた最低粘度及びポットライフを表1及び表2に示す。55℃でレオメータ測定を行ったときの最低粘度から粘度が2倍になるまでの時間を55℃におけるポットライフと定義する。
エポキシ樹脂組成物を所定の温度に加熱した金属金型に流し込み、同温度で30分間保持して、エポキシ樹脂組成物層の硬化反応を行った。
エポキシ樹脂組成物の硬化物について、JIS K 7161-1及びJIS K 7161-2に準拠して引張特性における破断伸びを測定した。
Claims (10)
- エポキシ樹脂(A)と、
硬化剤(B)と、
イミダゾールアダクト型硬化促進剤(C)と、
ホウ素原子又はアルミニウム原子を有するルイス酸化合物(D)と、
を含むエポキシ樹脂組成物であって、
前記硬化剤(B)は、下記式(B-1)で表される化合物(B-1)を含み、
前記硬化剤(B)における下記式(B-2)で表される化合物(B-2)の含有量は、前記エポキシ樹脂(A)100質量部に対して0質量部以上2.0質量部未満である、エポキシ樹脂組成物。
[式中、R1は、水素原子、ハロゲン原子、メトキシ基又は炭素数1~12の炭化水素基を表す。]
[式中、R2は、水素原子、ハロゲン原子、メチル基又はメトキシ基を表す。] - 前記ルイス酸化合物(D)の含有量は、前記エポキシ樹脂(A)100質量部に対して0.01質量部以上30質量部以下である、請求項1に記載のエポキシ樹脂組成物。
- 前記ルイス酸化合物(D)は、ホウ酸エステル化合物及びアルミニウムアルコキシド化合物からなる群より選択される1種以上の化合物を含む、請求項1又は2に記載のエポキシ樹脂組成物。
- 前記硬化剤(B)は、前記化合物(B-2)を含まない、請求項1~3のいずれか1項に記載のエポキシ樹脂組成物。
- 前記エポキシ樹脂組成物中のエポキシ基含有量に対するフェノール性水酸基含有量のモル比が0.20以上0.75以下である、請求項1~4のいずれか1項に記載のエポキシ樹脂組成物。
- 前記エポキシ樹脂(A)は、分子内にエポキシ基を2個有するエポキシ樹脂を含む、請求項1~5のいずれか1項に記載のエポキシ樹脂組成物。
- 請求項1~6のいずれか1項に記載のエポキシ樹脂組成物の硬化物。
- 請求項1~6のいずれか1項に記載のエポキシ樹脂組成物と繊維を含むプリプレグ。
- 請求項1~6のいずれか1項に記載のエポキシ樹脂組成物の硬化物と繊維を含む組成物。
- 請求項8に記載のプリプレグの硬化物。
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WO (1) | WO2022239797A1 (ja) |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953526A (ja) | 1982-09-21 | 1984-03-28 | Ajinomoto Co Inc | エポキシ樹脂用潜在性硬化剤 |
JPS604524A (ja) | 1983-06-22 | 1985-01-11 | Ajinomoto Co Inc | エポキシ樹脂用潜在性硬化剤 |
JPS6072917A (ja) | 1983-09-30 | 1985-04-25 | Ajinomoto Co Inc | エポキシ樹脂用潜在性硬化剤 |
JPH0673156A (ja) | 1992-06-24 | 1994-03-15 | Shikoku Chem Corp | 潜在性エポキシ硬化剤及びその製造方法並びにエポキシ樹脂組成物 |
JPH06172495A (ja) | 1992-10-05 | 1994-06-21 | Shikoku Chem Corp | エポキシ樹脂組成物 |
JP2005206744A (ja) | 2004-01-26 | 2005-08-04 | Fuji Kasei Kogyo Co Ltd | 一成分系加熱硬化性エポキシド組成物 |
JP2008214567A (ja) | 2007-03-07 | 2008-09-18 | Adeka Corp | エポキシ樹脂用硬化剤組成物及びそれを用いた硬化性エポキシ樹脂組成物 |
JP2012158730A (ja) * | 2011-02-03 | 2012-08-23 | Namics Corp | エポキシ樹脂組成物およびそれを用いた半導体封止材 |
JP2013032510A (ja) | 2011-06-29 | 2013-02-14 | Toray Ind Inc | エポキシ樹脂組成物、成形材料および繊維強化複合材料 |
JP2014177525A (ja) | 2013-03-14 | 2014-09-25 | Adeka Corp | ビスイミダゾール化合物、該ビスイミダゾール化合物を含有するエポキシ樹脂用硬化剤及び該エポキシ樹脂用硬化剤を含有する一液型硬化性エポキシ樹脂組成物 |
JP2015083634A (ja) | 2013-10-25 | 2015-04-30 | 日立化成株式会社 | エポキシ樹脂組成物、このエポキシ樹脂組成物を用いた電子部品装置及び電子部品装置の製造方法。 |
JP2016169275A (ja) * | 2015-03-12 | 2016-09-23 | ナミックス株式会社 | 樹脂組成物 |
JP2020084050A (ja) * | 2018-11-27 | 2020-06-04 | 住友化学株式会社 | エポキシ樹脂組成物及びその硬化物 |
JP2021036020A (ja) * | 2019-08-21 | 2021-03-04 | ナミックス株式会社 | エポキシ樹脂組成物 |
-
2021
- 2021-05-14 JP JP2021082189A patent/JP2022175617A/ja active Pending
-
2022
- 2022-05-11 EP EP22807496.9A patent/EP4339222A1/en active Pending
- 2022-05-11 WO PCT/JP2022/019934 patent/WO2022239797A1/ja active Application Filing
- 2022-05-11 KR KR1020237037890A patent/KR20240008307A/ko unknown
- 2022-05-11 CN CN202280034150.7A patent/CN117295778A/zh active Pending
- 2022-05-13 TW TW111117984A patent/TW202311341A/zh unknown
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5953526A (ja) | 1982-09-21 | 1984-03-28 | Ajinomoto Co Inc | エポキシ樹脂用潜在性硬化剤 |
JPS604524A (ja) | 1983-06-22 | 1985-01-11 | Ajinomoto Co Inc | エポキシ樹脂用潜在性硬化剤 |
JPS6072917A (ja) | 1983-09-30 | 1985-04-25 | Ajinomoto Co Inc | エポキシ樹脂用潜在性硬化剤 |
JPH0673156A (ja) | 1992-06-24 | 1994-03-15 | Shikoku Chem Corp | 潜在性エポキシ硬化剤及びその製造方法並びにエポキシ樹脂組成物 |
JPH06172495A (ja) | 1992-10-05 | 1994-06-21 | Shikoku Chem Corp | エポキシ樹脂組成物 |
JP2005206744A (ja) | 2004-01-26 | 2005-08-04 | Fuji Kasei Kogyo Co Ltd | 一成分系加熱硬化性エポキシド組成物 |
JP2008214567A (ja) | 2007-03-07 | 2008-09-18 | Adeka Corp | エポキシ樹脂用硬化剤組成物及びそれを用いた硬化性エポキシ樹脂組成物 |
JP2012158730A (ja) * | 2011-02-03 | 2012-08-23 | Namics Corp | エポキシ樹脂組成物およびそれを用いた半導体封止材 |
JP2013032510A (ja) | 2011-06-29 | 2013-02-14 | Toray Ind Inc | エポキシ樹脂組成物、成形材料および繊維強化複合材料 |
JP2014177525A (ja) | 2013-03-14 | 2014-09-25 | Adeka Corp | ビスイミダゾール化合物、該ビスイミダゾール化合物を含有するエポキシ樹脂用硬化剤及び該エポキシ樹脂用硬化剤を含有する一液型硬化性エポキシ樹脂組成物 |
JP2015083634A (ja) | 2013-10-25 | 2015-04-30 | 日立化成株式会社 | エポキシ樹脂組成物、このエポキシ樹脂組成物を用いた電子部品装置及び電子部品装置の製造方法。 |
JP2016169275A (ja) * | 2015-03-12 | 2016-09-23 | ナミックス株式会社 | 樹脂組成物 |
JP2020084050A (ja) * | 2018-11-27 | 2020-06-04 | 住友化学株式会社 | エポキシ樹脂組成物及びその硬化物 |
JP2021036020A (ja) * | 2019-08-21 | 2021-03-04 | ナミックス株式会社 | エポキシ樹脂組成物 |
Also Published As
Publication number | Publication date |
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JP2022175617A (ja) | 2022-11-25 |
CN117295778A (zh) | 2023-12-26 |
TW202311341A (zh) | 2023-03-16 |
EP4339222A1 (en) | 2024-03-20 |
KR20240008307A (ko) | 2024-01-18 |
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