WO2012124689A1 - リン原子含有オリゴマー組成物、硬化性樹脂組成物、その硬化物、及びプリント配線基板 - Google Patents
リン原子含有オリゴマー組成物、硬化性樹脂組成物、その硬化物、及びプリント配線基板 Download PDFInfo
- Publication number
- WO2012124689A1 WO2012124689A1 PCT/JP2012/056409 JP2012056409W WO2012124689A1 WO 2012124689 A1 WO2012124689 A1 WO 2012124689A1 JP 2012056409 W JP2012056409 W JP 2012056409W WO 2012124689 A1 WO2012124689 A1 WO 2012124689A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phosphorus atom
- structural formula
- atom
- containing oligomer
- phosphorus
- Prior art date
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- 125000004437 phosphorous atom Chemical group 0.000 title claims abstract description 84
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- 239000000126 substance Substances 0.000 title abstract description 4
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- 229920000647 polyepoxide Polymers 0.000 claims abstract description 71
- 150000001875 compounds Chemical class 0.000 claims abstract description 34
- 239000003960 organic solvent Substances 0.000 claims abstract description 26
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 125000004432 carbon atom Chemical group C* 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 16
- 125000003545 alkoxy group Chemical group 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 239000011889 copper foil Substances 0.000 claims description 11
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- 238000010438 heat treatment Methods 0.000 claims description 9
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 1
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 abstract 1
- 239000004848 polyfunctional curative Substances 0.000 abstract 1
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- 238000001723 curing Methods 0.000 description 36
- 239000003063 flame retardant Substances 0.000 description 35
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- 238000000034 method Methods 0.000 description 30
- 229920003986 novolac Polymers 0.000 description 29
- 239000000047 product Substances 0.000 description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 239000005011 phenolic resin Substances 0.000 description 19
- 150000002989 phenols Chemical class 0.000 description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 17
- 239000002904 solvent Substances 0.000 description 16
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- 239000010410 layer Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
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- 230000000052 comparative effect Effects 0.000 description 12
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- 238000012360 testing method Methods 0.000 description 12
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- 229910052736 halogen Inorganic materials 0.000 description 10
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- 229910052757 nitrogen Inorganic materials 0.000 description 9
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- 239000000654 additive Substances 0.000 description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 6
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- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
- 150000007973 cyanuric acids Chemical class 0.000 description 4
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- VSWALKINGSNVAR-UHFFFAOYSA-N naphthalen-1-ol;phenol Chemical compound OC1=CC=CC=C1.C1=CC=C2C(O)=CC=CC2=C1 VSWALKINGSNVAR-UHFFFAOYSA-N 0.000 description 3
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- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000004843 novolac epoxy resin Substances 0.000 description 1
- 230000003606 oligomerizing effect Effects 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical group 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 150000002990 phenothiazines Chemical class 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 150000004850 phospholanes Chemical class 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010125 resin casting Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- KCNSDMPZCKLTQP-UHFFFAOYSA-N tetraphenylen-1-ol Chemical compound C12=CC=CC=C2C2=CC=CC=C2C2=CC=CC=C2C2=C1C=CC=C2O KCNSDMPZCKLTQP-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- FOZHTJJTSSSURD-UHFFFAOYSA-J titanium(4+);dicarbonate Chemical compound [Ti+4].[O-]C([O-])=O.[O-]C([O-])=O FOZHTJJTSSSURD-UHFFFAOYSA-J 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- BNEMLSQAJOPTGK-UHFFFAOYSA-N zinc;dioxido(oxo)tin Chemical compound [Zn+2].[O-][Sn]([O-])=O BNEMLSQAJOPTGK-UHFFFAOYSA-N 0.000 description 1
- PZRXQXJGIQEYOG-UHFFFAOYSA-N zinc;oxido(oxo)borane Chemical compound [Zn+2].[O-]B=O.[O-]B=O PZRXQXJGIQEYOG-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/657163—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom
- C07F9/657172—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms the ring phosphorus atom being bound to at least one carbon atom the ring phosphorus atom and one oxygen atom being part of a (thio)phosphinic acid ester: (X = O, S)
-
- 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
- C08G59/32—Epoxy compounds containing three or more epoxy groups
- C08G59/3254—Epoxy compounds containing three or more epoxy groups containing atoms other than carbon, hydrogen, oxygen or nitrogen
- C08G59/3272—Epoxy compounds containing three or more epoxy groups containing atoms other than carbon, hydrogen, oxygen or nitrogen containing phosphorus
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
- C08L63/04—Epoxynovolacs
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0326—Organic insulating material consisting of one material containing O
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/012—Flame-retardant; Preventing of inflammation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4644—Manufacturing multilayer circuits by building the multilayer layer by layer, i.e. build-up multilayer circuits
- H05K3/4673—Application methods or materials of intermediate insulating layers not specially adapted to any one of the previous methods of adding a circuit layer
- H05K3/4676—Single layer compositions
Definitions
- the present invention relates to a phosphorus atom-containing oligomer composition having excellent solvent solubility and having both excellent flame retardancy and heat resistance in the cured product, and a curable resin using the oligomer composition as a curing agent for epoxy resin.
- the present invention relates to a composition, a cured product thereof, and a printed wiring board using the curable resin composition.
- An epoxy resin composition containing an epoxy resin and a curing agent as an essential component is excellent in various physical properties such as high heat resistance and moisture resistance, and is used for electronic components such as semiconductor encapsulants and printed circuit boards, electronic component fields, and conductive pastes. It is widely used in conductive adhesives such as, other adhesives, matrix for composite materials, paints, photoresist materials, developer materials, and the like.
- a halogen-based flame retardant such as bromine is blended with an antimony compound in order to impart flame retardancy.
- environmentally and flame-resistant flame retardants that do not use halogen-based flame retardants that may cause dioxins and do not use antimony compounds that are suspected of carcinogenicity.
- the use of halogenated flame retardants is a factor that impairs reliability at high temperatures.
- Patent Document 1 discloses 9,10-dihydro-9-oxax as a curing agent for epoxy resin.
- Phosphorus atom-containing bisphenols obtained by reacting -10-phosphaphenanthrene-10-oxide (hereinafter abbreviated as “HCA”) with p-hydroxybenzaldehyde and then reacting this reaction product with phenol
- HCA -10-phosphaphenanthrene-10-oxide
- Non-Patent Document 1 discloses a technique in which an intermediate product is obtained by reacting HCA and p-hydroxybenzaldehyde, and then the intermediate product is oligomerized in THF.
- Non-Patent Document 1 since the crystallinity of the reaction product of HCA, which is an intermediate, and p-hydroxybenzaldehyde is extremely high and poor in solvent solubility, it is described in Non-Patent Document 1. In the subsequent reaction, it is necessary to use THF with a low flash point and a high risk, which is not industrially producible, and the resulting oligomer itself has low solvent solubility, and printed wiring It was also difficult to adjust the plate material varnish.
- Patent Document 2 discloses a technique for producing a phosphorus atom-containing phenol compound by reacting HCA with hydroxybenzaldehyde.
- the phenolic compound described in Patent Document 2 is a monofunctional phenolic compound, which also has extremely high crystallinity and poor solvent solubility, and even when it is used as a curing agent for epoxy resins, it is sufficiently difficult. Flammability was not obtained.
- the problem to be solved by the present invention includes a phosphorus atom-containing oligomer having excellent flame retardancy and heat resistance in a cured product and dramatically improved solubility in an organic solvent, and the oligomer. It is providing the curable resin composition which consists of these, its hardened
- the present inventors have found that phosphorus having a specific molecular structure obtained by reacting and oligomerizing a phosphorus atom-containing compound typified by HCA and an o-hydroxybenzaldehyde compound.
- the atom-containing oligomer composition exhibits excellent solubility in an organic solvent and is cured by using the oligomer composition as an epoxy resin curing agent, an epoxy resin raw material, an additive for a thermosetting resin, etc.
- the present inventors have found that a cured product that exhibits excellent flame retardancy, has a high glass transition point, and can withstand the T288 test has been completed.
- R 1 to R 5 each independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group, and X represents a hydrogen atom or the following structure
- Formula (x1) wherein R 1 to R 5 each independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group, and X represents a hydrogen atom or the following structure
- R 2 to R 5 are each independently a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or 1 to 4 carbon atoms.
- an n is an integer of 0 or more in terms of repeating units.
- a mixture of a phosphorus atom-containing compound in which n is 0 in the structural formula (1) and a phosphorus atom-containing oligomer in which n is 1 or more in the structural formula (1) and The present invention relates to a phosphorus atom-containing oligomer composition characterized in that the content of the phosphorus atom-containing oligomer having n or more components in the structural formula (1) is in the range of 5 to 90% on the basis of the peak area in GPC measurement.
- the present invention further provides a curable resin composition comprising an epoxy resin and a curing agent as essential components, wherein the phosphorus atom-containing oligomer composition is used as the curing agent.
- a curable resin composition comprising an epoxy resin and a curing agent as essential components, wherein the phosphorus atom-containing oligomer composition is used as the curing agent.
- the present invention further relates to a cured product obtained by curing reaction of the curable resin composition.
- the present invention further relates to a printed wiring obtained by impregnating a reinforcing base material with a resin composition obtained by further blending an organic solvent with the curable resin composition, and then laminating the copper foil and heat-pressing it. Regarding the substrate.
- a phosphorus atom-containing oligomer composition having excellent flame retardancy and heat resistance in a cured product and dramatically improved solubility in an organic solvent, comprising the oligomer composition
- a curable resin composition, a cured product thereof, and a printed wiring board manufactured from the composition can be provided.
- FIG. 1 is a GPC chart of the phosphorus atom-containing oligomer composition (A-1) obtained in Example 1.
- FIG. 2 is a 13 C-NMR chart of the phosphorus atom-containing oligomer composition (A-1) obtained in Example 1.
- FIG. 3 is an MS spectrum of the phosphorus atom-containing oligomer composition (A-1) obtained in Example 1.
- 4 is a GPC chart of the phosphorus atom-containing oligomer composition (A-2) obtained in Example 2.
- FIG. FIG. 5 is a GPC chart of the phosphorus atom-containing oligomer composition (A-3) obtained in Example 3.
- FIG. 6 is a GPC chart of the phenol compound (A-4) obtained in Comparative Example 1.
- FIG. 7 is a GPC chart of the phenol resin (A-5) obtained in Comparative Example 2.
- FIG. 8 is a GPC chart of the phenol compound (A-6) obtained in Comparative Example 3.
- the phosphorus atom-containing oligomer composition of the present invention has the following structural formula (1)
- R 1 to R 5 each independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group, and X represents a hydrogen atom or the following structure
- Formula (x1) wherein R 1 to R 5 each independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group, and X represents a hydrogen atom or the following structure
- R 2 , R 3 , R 4 and R 5 are each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. Represents an alkoxy group having 1 to 4 carbon atoms, a phenyl group, or an aralkyl group. And n is an integer of 0 or more as a repeating unit. ) Is a mixture of a phosphorus atom-containing compound in which n is 0 and a phosphorus atom-containing oligomer in which n is 1 or more.
- the phosphorus atom-containing compound and phosphorus atom-containing oligomer have the basic skeleton represented by the structural formula (1), they are excellent in flame retardancy in a cured state and have a high glass transition temperature point. Furthermore, it becomes the thing excellent in heat-resistant peelability.
- X in the structural formula (1) is the structural formula (x1) or a hydrogen atom, and is particularly preferably the structural formula (x1) from the viewpoint of flame retardancy.
- a mixture of a phosphorus atom-containing compound (n 0 isomer) and a phosphorus atom-containing oligomer (component where n is 1 or more) represented by formulas (1-5) to (1-8) is preferable.
- R 1 to R 5 in the structural formula (1) and R 2 to R 5 in the structural formula (x1) are each independently a hydrogen atom or an alkyl having 1 to 4 carbon atoms, as described above.
- Group, an alkoxy group having 1 to 4 carbon atoms, and a phenyl group examples include a methyl group, an ethyl group, an n-propyl group, an i-propyl group, and a t-butyl group.
- Examples of the alkoxy group having 1 to 4 carbon atoms include Methoxy group, ethoxy group, n-propyloxy group, i-propyloxy group, t-butoxy group.
- R 1 to R 5 in the structural formula (1) and R 2 to R 5 in the structural formula (x1) are a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
- R 1 to R 5 in the structural formula (1) and R 2 to R 5 in the structural formula (x1) are all hydrogen atoms are preferable from the viewpoint of flame retardancy.
- the phosphorus atom-containing oligomer composition is a phosphorus atom-containing compound in which n is 0 in the above structural formula (1) (hereinafter abbreviated as “component where n is 0”).
- N is a mixture with a phosphorus atom-containing oligomer which is a component of 1 or more, and the content of the phosphorus atom-containing oligomer in the mixture is in the range of 5 to 90% on the basis of the peak area in GPC measurement It is said. Since it has a content in such a range, the solubility of the oligomer in an organic solvent and the flame retardancy of the cured product are remarkably excellent.
- the content of the phosphorus atom-containing oligomer whose n is 1 or more in the above structural formula (1) is in the range of 40 to 85% on the basis of the peak area in GPC measurement.
- those having excellent solubility in organic solvents and excellent flame retardancy of the cured product are preferred.
- the content of the phosphorus atom-containing oligomer that is, the content of the component having n of 1 or more in the structural formula (1) is less than 36.0 minutes in the GPC chart measured under the following conditions. It means the ratio of peak area.
- GPC The measurement conditions are as follows. Measuring device: “HLC-8220 GPC” manufactured by Tosoh Corporation Column: Guard column “HXL-L” manufactured by Tosoh Corporation + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation + Tosoh Corporation “TSK-GEL G3000HXL” + “TSK-GEL G4000HXL” manufactured by Tosoh Corporation Detector: RI (Differential refraction diameter)
- Data processing “GPC-8020 Model II version 4.10” manufactured by Tosoh Corporation Measurement conditions: Column temperature 40 ° C Developing solvent Tetrahydrofuran Flow rate 1.0 ml / min standard: The following monodisperse polystyrene having a known molecular weight was used according to the measurement manual of “GPC-8020 Model II version 4.10”.
- the solvent solubility is good, If it is less than or equal to%, the fluidity at the time of melting or the fluidity and impregnation when made into a varnish will be good.
- the other components are components in which n is 0. Therefore, in the phosphorus atom-containing oligomer composition of the present invention, the component in which n is 0 (phosphorus atom-containing compound) is 95 to 10 on the basis of the peak area in GPC measurement. %.
- the phosphorus atom in the composition is in the range of 40 to 75%, and the content of the phosphorus atom-containing compound (component where n is 0) is in the range of 60 to 25%. It is preferable.
- a phosphorus atom-containing oligomer in which the content of a component in which n is 0 (phosphorus atom-containing compound) is 95 to 10% and n is 1 hereinafter abbreviated as “component in which n is 1”.
- the content of the phosphorus atom-containing oligomer hereinafter, abbreviated as “component where n is 2 or more”) in which n is 2 or more and 3 to 50% and n is 2 or more is 2 to 45%.
- the content of the component where n is 0 is 60 to 25%
- the content of the component where n is 1 is 10 to 45%
- the content of the component where n is 2 or more is 10 to It is preferable that it is 40% from the point that the balance of solvent solubility, fluidity, and heat resistance becomes remarkable.
- the phosphorus atom-containing oligomer composition described above preferably has a phosphorus atom content in the oligomer composition in the range of 9 to 12% by mass from the viewpoint of flame retardancy.
- the phosphorus atom content is a value measured in accordance with “JIS standard K0102 46”.
- the phosphorus atom-containing oligomer composition described in detail above is preferable because, for example, a composition obtained by the following production method is excellent in solubility in an organic solvent, and a composition excellent in heat resistance of a cured product is obtained. .
- R 2 to R 5 each independently represent a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group
- a1 The following structural formula (a2)
- R 1 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group.
- the compound (a2) represented by the formula (1) is blended at a molar ratio [compound (a1) / compound (a2)] of 0.01 / 1.0 to 0.99 / 1.0.
- the reaction is carried out at 100 to 200 ° C. in the presence or in the absence of a catalyst, and then the total amount of the compound (a1) is 1.01 to 3.0 times on a molar basis with respect to the charged amount of the compound (a2).
- the reaction is carried out at 140 to 220 ° C. to obtain the target phosphorus atom-containing oligomer composition.
- the alkyl group having 1 to 4 carbon atoms constituting R 2 , R 3 , R 4 and R 5 in the structural formula (a1) a methyl group, an ethyl group, an n-propyl group, i -Propyl group and t-butyl group are exemplified, and examples of the alkoxy group having 1 to 4 carbon atoms include methoxy group, ethoxy group, n-propyloxy group, i-propyloxy group, and t-butoxy group.
- the compound (a1) is preferably a compound in which all of R 2 , R 3 , R 4 and R 5 are hydrogen atoms from the viewpoint of flame retardancy.
- R 1 in the structural formula (a2) in the compound (a2) is an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group.
- the alkyl group of 4 include a methyl group, an ethyl group, an n-propyl group, an i-propyl group, and a t-butyl group.
- the alkoxy group having 1 to 4 carbon atoms include a methoxy group, an ethoxy group, and an n group.
- R 1 is preferably a hydrogen atom from the viewpoint of excellent reactivity with the compound (a1) and flame retardancy of the cured product.
- a catalyst may or may not be used in the above method, but the reaction is preferably carried out without a catalyst from the viewpoint of excellent selectivity and yield of the finally obtained compound.
- examples of catalysts that can be used include inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid, organic acids such as methanesulfonic acid, p-toluenesulfonic acid, and oxalic acid, boron trifluoride, Examples include Lewis acids such as anhydrous aluminum chloride and zinc chloride. The amount used is in the range of 0.1 to 5.0% by mass with respect to the total weight of the charged raw materials from the viewpoint of preventing a decrease in the electrical insulation of the cured product.
- the compound (a2) since the compound (a2) is in a liquid state, it can be used as an organic solvent, but other organic solvents may be used from the viewpoint of improving workability and the like.
- the organic solvent used include non-ketone organic solvents such as alcohol-based organic solvents and hydrocarbon-based organic solvents.
- examples of the alcohol-based organic solvent include propylene glycol monomethyl ether.
- examples of the hydrocarbon organic solvent include toluene, xylene and the like.
- the desired product can be obtained by drying under reduced pressure.
- the curable resin composition of the present invention is a curable resin composition containing an epoxy resin and a curing agent as essential components, and uses the above-described phosphorus atom-containing oligomer composition of the present invention as the curing agent. It is.
- epoxy resins can be used as the epoxy resin used here, for example, bisphenol type epoxy resins such as bisphenol A type epoxy resin and bisphenol F type epoxy resin; biphenyl type epoxy resin, tetramethylbiphenyl type epoxy resin, etc. Biphenyl type epoxy resin; phenol novolak type epoxy resin, cresol novolak type epoxy resin, bisphenol A novolak type epoxy resin, epoxidized product of phenol and aromatic aldehyde having phenolic hydroxyl group, biphenyl novolak type epoxy resin, etc.
- bisphenol type epoxy resins such as bisphenol A type epoxy resin and bisphenol F type epoxy resin
- biphenyl type epoxy resin tetramethylbiphenyl type epoxy resin
- Biphenyl type epoxy resin phenol novolak type epoxy resin, cresol novolak type epoxy resin, bisphenol A novolak type epoxy resin, epoxidized product of phenol and aromatic aldehyde having phenolic hydroxyl group, biphenyl novolak type epoxy resin,
- Novolac type epoxy resin triphenylmethane type epoxy resin; tetraphenylethane type epoxy resin; dicyclopentadiene-phenol addition reaction type epoxy resin; Lukyl type epoxy resin; naphthol novolak type epoxy resin, naphthol aralkyl type epoxy resin, naphthol-phenol co-condensed novolac type epoxy resin, naphthol-cresol co-condensed novolac type epoxy resin, diglycidyloxynaphthalene, 1,1-bis (2, 7-diglycidyloxy-1-naphthyl) alkane and other molecular structures such as epoxy resins having a naphthalene skeleton; phosphorus atom-containing epoxy resins and the like. Moreover, these epoxy resins may be used independently and may mix 2 or more types.
- the phosphorus atom-containing epoxy resin is obtained by reacting 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (hereinafter abbreviated as “HCA”) with a quinone compound.
- HCA 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
- Epoxidized phenol resin, epoxy resin modified with phenol novolak epoxy resin with HCA, epoxy resin modified with cresol novolac epoxy resin with HCA, and bisphenol A epoxy resin reacted with HCA and quinone compound And an epoxy resin obtained by modifying an epoxy resin obtained by modification with a phenol resin obtained in this way, and a phenol resin obtained by reacting bisphenol F type epoxy resin with HCA and quinones.
- a novolak type epoxy resin and an epoxy resin having a naphthalene skeleton are preferable in the molecular structure from the viewpoint of heat resistance, and a bisphenol type epoxy resin and a novolak type epoxy resin from the viewpoint of solvent solubility. Is preferred.
- the blending amount of the epoxy resin and the phosphorus atom-containing oligomer in the curable resin composition of the present invention is not particularly limited, but the total of epoxy groups of the epoxy resin from the point that the obtained cured product characteristics are good.
- the amount by which the active hydrogen in the phosphorus atom-containing oligomer is 0.7 to 1.5 equivalents relative to 1 equivalent is preferred.
- curing agent of the said phosphorus atom containing oligomer composition as a hardening
- curing agents include amine compounds, amide compounds, acid anhydride compounds, phenol compounds, and the like.
- examples of the amine compound include diaminodiphenylmethane, diethylenetriamine, triethylenetetramine, diaminodiphenylsulfone, isophoronediamine, imidazole, BF 3 -amine complex, and guanidine derivative.
- the amide compound include dicyandiamide.
- polyamide resins synthesized from dimer of linolenic acid and ethylenediamine examples include acid anhydride compounds include phthalic anhydride, trimellitic anhydride, pyromellitic anhydride, maleic anhydride, and tetrahydrophthalic anhydride.
- phenolic compounds include phenol novolac resin, cresol novolac resin Aromatic hydrocarbon formaldehyde resin modified phenolic resin, dicyclopentadiene phenol addition type resin, phenol aralkyl resin (Zyrock resin), naphthol aralkyl resin, trisphenylol methane resin, tetraphenylol ethane resin, naphthol novolak resin, naphthol-phenol Condensed novolak resin, naphthol-cresol co-condensed novolak resin, biphenyl-modified phenol resin (polyhydric phenol compound in which phenol nucleus is linked by bismethylene group), Biphenyl-modified naphthol resin (polyvalent naphthol compound in which phenol nucleus is
- those containing a large amount of an aromatic skeleton in the molecular structure are preferred from the viewpoint of excellent low thermal expansion of the cured product, and specifically, phenol novolac resins, cresol novolac resins, aromatic hydrocarbon formaldehyde resin-modified phenols.
- Resin phenol aralkyl resin, naphthol aralkyl resin, naphthol novolak resin, naphthol-phenol co-condensed novolak resin, naphthol-cresol co-condensed novolak resin, biphenyl-modified phenol resin, biphenyl-modified naphthol resin, aminotriazine-modified phenol resin, alkoxy group-containing aromatic
- a ring-modified novolak resin (a polyhydric phenol compound in which a phenol nucleus and an alkoxy group-containing aromatic ring are linked with formaldehyde) is preferable because of its low thermal expansion.
- the aforementioned aminotriazine-modified phenol resin that is, a compound having a phenol skeleton, a triazine ring and a primary amino group in the molecular structure is a molecule obtained by condensation reaction of a triazine compound, a phenol and an aldehyde. What has a structure is preferable from the point which the flame retardance of hardened
- the other curing agent described above may be used within a range where the phosphorus atom content in the solid content in the curable resin composition of the present invention is 1 to 9%. preferable.
- a curing accelerator can be appropriately used in combination with the curable resin composition of the present invention.
- Various curing accelerators can be used, and examples thereof include phosphorus compounds, tertiary amines, imidazoles, organic acid metal salts, Lewis acids, and amine complex salts.
- phosphorus compounds tertiary amines, imidazoles, organic acid metal salts, Lewis acids, and amine complex salts.
- triphenylphosphine is a phosphorus compound and 2-ethyl 4-methyl is an amine compound. Imidazole is preferred.
- the amount of the curing accelerator used here is preferably in the range of 0.01 to 1% by mass in the curable resin composition.
- the curable resin composition of the present invention described in detail above is characterized by exhibiting excellent solvent solubility. Therefore, the curable resin composition preferably contains an organic solvent in addition to the above components.
- the organic solvent that can be used here include methyl ethyl ketone, acetone, dimethylformamide, methyl isobutyl ketone, methoxypropanol, cyclohexanone, methyl cellosolve, ethyl diglycol acetate, propylene glycol monomethyl ether acetate, etc.
- the amount used can be appropriately selected depending on the application. For example, in the case of printed circuit boards, an alcoholic organic solvent having a boiling point of 160 ° C.
- the non-volatile content is 40 to 80% by mass.
- organic solvents for example, ketones such as acetone, methyl ethyl ketone, cyclohexanone, acetates such as ethyl acetate, butyl acetate, cellosolve acetate, propylene glycol monomethyl ether acetate, carbitol acetate, It is preferable to use carbitols such as cellosolve and butyl carbitol, aromatic hydrocarbons such as toluene and xylene, dimethylformamide, dimethylacetamide, N-methylpyrrolidone and the like, and the nonvolatile content is 30 to 60% by mass. It is preferable to use in proportions.
- the curable resin composition may contain a non-halogen flame retardant in the range of, for example, the printed wiring board, as long as reliability is not lowered.
- non-halogen flame retardants examples include phosphorus flame retardants, nitrogen flame retardants, silicone flame retardants, inorganic flame retardants, and organic metal salt flame retardants.
- the flame retardants may be used alone or in combination, and a plurality of flame retardants of the same system may be used, or different types of flame retardants may be used in combination.
- the phosphorus flame retardant either inorganic or organic can be used.
- the inorganic compounds include red phosphorus, monoammonium phosphate, diammonium phosphate, triammonium phosphate, ammonium phosphates such as ammonium polyphosphate, and inorganic nitrogen-containing phosphorus compounds such as phosphate amide. .
- the red phosphorus is preferably subjected to a surface treatment for the purpose of preventing hydrolysis and the like.
- the surface treatment method include (i) magnesium hydroxide, aluminum hydroxide, zinc hydroxide, water A method of coating with an inorganic compound such as titanium oxide, bismuth oxide, bismuth hydroxide, bismuth nitrate or a mixture thereof; (ii) an inorganic compound such as magnesium hydroxide, aluminum hydroxide, zinc hydroxide, titanium hydroxide; and A method of coating with a mixture of a thermosetting resin such as a phenol resin, (iii) thermosetting of a phenol resin or the like on a coating of an inorganic compound such as magnesium hydroxide, aluminum hydroxide, zinc hydroxide, or titanium hydroxide
- a method of double coating with a resin may be used.
- general-purpose organic phosphorus compounds such as phosphate ester compounds, phosphonic acid compounds, phosphinic acid compounds, phosphine oxide compounds, phospholane compounds, organic nitrogen-containing phosphorus compounds, and
- the blending amount thereof is appropriately selected depending on the type of the phosphorus-based flame retardant, the other components of the curable resin composition, and the desired degree of flame retardancy.
- 0.1 to 2.0 parts by mass of red phosphorus is used as the non-halogen flame retardant.
- an organophosphorus compound it is preferably blended in the range of 0.1 to 10.0 parts by mass, particularly in the range of 0.5 to 6.0 parts by mass. It is preferable to do.
- the phosphorous flame retardant when using the phosphorous flame retardant, may be used in combination with hydrotalcite, magnesium hydroxide, boric compound, zirconium oxide, black dye, calcium carbonate, zeolite, zinc molybdate, activated carbon, etc. Good.
- nitrogen-based flame retardant examples include triazine compounds, cyanuric acid compounds, isocyanuric acid compounds, and phenothiazines, and triazine compounds, cyanuric acid compounds, and isocyanuric acid compounds are preferable.
- triazine compound examples include melamine, acetoguanamine, benzoguanamine, melon, melam, succinoguanamine, ethylene dimelamine, melamine polyphosphate, triguanamine, and the like, for example, guanylmelamine sulfate, melem sulfate, melam sulfate, etc.
- examples thereof include an aminotriazine sulfate compound, aminotriazine-modified phenol resin, and aminotriazine-modified phenol resin further modified with tung oil, isomerized linseed oil, and the like.
- cyanuric acid compound examples include cyanuric acid and melamine cyanurate.
- the compounding amount of the nitrogen-based flame retardant is appropriately selected according to the type of the nitrogen-based flame retardant, the other components of the curable resin composition, and the desired degree of flame retardancy.
- an epoxy resin It is preferable to add in the range of 0.05 to 10 parts by mass in 100 parts by mass of the curable resin composition containing all of the curing agent, non-halogen flame retardant and other fillers and additives. It is preferable to blend in the range of 1 to 5 parts by mass.
- a metal hydroxide, a molybdenum compound or the like may be used in combination.
- the silicone flame retardant is not particularly limited as long as it is an organic compound containing a silicon atom, and examples thereof include silicone oil, silicone rubber, and silicone resin.
- the amount of the silicone-based flame retardant is appropriately selected depending on the type of the silicone-based flame retardant, the other components of the curable resin composition, and the desired degree of flame retardancy.
- an epoxy resin It is preferable to add in the range of 0.05 to 20 parts by mass in 100 parts by mass of the curable resin composition containing all of the curing agent, non-halogen flame retardant and other fillers and additives.
- inorganic flame retardant examples include metal hydroxide, metal oxide, metal carbonate compound, metal powder, boron compound, and low melting point glass.
- metal hydroxide examples include aluminum hydroxide, magnesium hydroxide, dolomite, hydrotalcite, calcium hydroxide, barium hydroxide, zirconium hydroxide and the like.
- the metal oxide include, for example, zinc molybdate, molybdenum trioxide, zinc stannate, tin oxide, aluminum oxide, iron oxide, titanium oxide, manganese oxide, zirconium oxide, zinc oxide, molybdenum oxide, and cobalt oxide.
- metal carbonate compound examples include zinc carbonate, magnesium carbonate, calcium carbonate, barium carbonate, basic magnesium carbonate, aluminum carbonate, iron carbonate, cobalt carbonate, and titanium carbonate.
- the metal powder examples include aluminum, iron, titanium, manganese, zinc, molybdenum, cobalt, bismuth, chromium, nickel, copper, tungsten, and tin.
- boron compound examples include zinc borate, zinc metaborate, barium metaborate, boric acid, and borax.
- the low-melting-point glass include, for example, Shipley (Bokusui Brown), hydrated glass SiO 2 —MgO—H 2 O, PbO—B 2 O 3 system, ZnO—P 2 O 5 —MgO system, P 2 O 5 —B 2 O 3 —PbO—MgO system, P—Sn—O—F system, PbO—V 2 O 5 —TeO 2 system, Al 2 O 3 —H 2 O system, lead borosilicate system, etc.
- the glassy compound can be mentioned.
- the amount of the inorganic flame retardant is appropriately selected depending on the type of the inorganic flame retardant, the other components of the curable resin composition, and the desired degree of flame retardancy.
- an epoxy resin It is preferable to add in the range of 0.05 to 20 parts by mass in 100 parts by mass of the curable resin composition containing all of the curing agent, non-halogen flame retardant and other fillers and additives. It is preferable to blend in the range of 5 to 15 parts by mass.
- organometallic salt-based flame retardant examples include ferrocene, acetylacetonate metal complex, organometallic carbonyl compound, organocobalt salt compound, organosulfonic acid metal salt, metal atom and aromatic compound or heterocyclic compound or an ionic bond or Examples thereof include a coordinated compound.
- the amount of the organic metal salt flame retardant is appropriately selected depending on the type of the organic metal salt flame retardant, the other components of the curable resin composition, and the desired degree of flame retardancy. , Preferably in the range of 0.005 to 10 parts by mass in 100 parts by mass of the curable resin composition containing all of epoxy resin, curing agent, non-halogen flame retardant and other fillers and additives. .
- an inorganic filler can be blended as necessary.
- the inorganic filler include fused silica, crystalline silica, alumina, silicon nitride, and aluminum hydroxide.
- fused silica When particularly increasing the blending amount of the inorganic filler, it is preferable to use fused silica.
- the fused silica can be used in either a crushed shape or a spherical shape.
- the filling rate is preferably higher in consideration of flame retardancy, and particularly preferably 20% by mass or more with respect to the total amount of the curable resin composition.
- electroconductive fillers such as silver powder and copper powder, can be used.
- various compounding agents such as a silane coupling agent, a release agent, a pigment, and an emulsifier can be added as necessary.
- the curable resin composition of the present invention can be obtained by uniformly mixing the above-described components.
- the curable resin composition can be easily made into a cured product by a method similar to a conventionally known method.
- Examples of the cured product include molded cured products such as laminates, cast products, adhesive layers, coating films, and films.
- curable resin composition of the present invention includes printed wiring board materials, resin compositions for flexible wiring boards, interlayer insulating materials for build-up boards, semiconductor sealing materials, conductive pastes, and adhesive films for build-ups , Resin casting materials, adhesives and the like.
- a varnish-like curable resin composition further containing an organic solvent is used.
- a method of impregnating a reinforcing base material and stacking a copper foil to heat-press examples include paper, glass cloth, glass nonwoven fabric, aramid paper, aramid cloth, glass mat, and glass roving cloth.
- the varnish-like curable resin composition described above is first heated at a heating temperature corresponding to the solvent type used, preferably 50 to 170 ° C., so that a prepreg as a cured product is obtained. Get.
- the mass ratio of the resin composition and the reinforcing substrate used at this time is not particularly limited, but it is usually preferable that the resin content in the prepreg is adjusted to 20 to 60% by mass.
- the prepreg obtained as described above is laminated by a conventional method, and a copper foil is appropriately stacked, and heat-pressed at 170 to 250 ° C. for 10 minutes to 3 hours under a pressure of 1 to 10 MPa, A desired printed circuit board can be obtained.
- the phosphorus atom-containing oligomer composition, epoxy resin, and organic solvent, and if necessary, other curing agents and curing accelerators are blended, Using an applicator such as a reverse roll coater or comma coater, it is applied to the electrically insulating film. Subsequently, it is heated at 60 to 170 ° C. for 1 to 15 minutes using a heater to volatilize the solvent, and the adhesive composition is B-staged. Next, the metal foil is thermocompression bonded to the adhesive using a heating roll or the like.
- the pressure for pressure bonding is preferably 2 to 200 N / cm, and the temperature for pressure bonding is preferably 40 to 200 ° C. If sufficient adhesion performance can be obtained, the process may be completed here. However, if complete curing is required, post-curing is preferably performed at 100 to 200 ° C. for 1 to 24 hours.
- the thickness of the adhesive composition film after final curing is preferably in the range of 5 to 100 ⁇ m.
- the curable resin composition of the present invention As a method for obtaining an interlayer insulating material for a build-up substrate from the curable resin composition of the present invention, for example, the curable resin composition appropriately blended with rubber, filler, etc., spray coating method on a wiring board on which a circuit is formed, After applying using a curtain coating method or the like, it is cured. Then, after drilling a predetermined through-hole part etc. as needed, it treats with a roughening agent, forms the unevenness
- the plating method electroless plating or electrolytic plating treatment is preferable, and examples of the roughening agent include an oxidizing agent, an alkali, and an organic solvent.
- a build-up substrate can be obtained by alternately building up and forming the resin insulating layer and the conductor layer having a predetermined circuit pattern.
- the through-hole portion is formed after the outermost resin insulating layer is formed.
- a resin-coated copper foil obtained by semi-curing the resin composition on a copper foil is heat-pressed at 170 to 250 ° C. on a wiring board on which a circuit is formed, thereby forming a roughened surface and performing plating treatment. It is also possible to produce a build-up substrate by omitting the process.
- the method for producing an adhesive film for buildup from the curable resin composition of the present invention is, for example, a multilayer printed wiring board in which the curable resin composition of the present invention is applied on a support film to form a resin composition layer. And an adhesive film for use.
- the adhesive film is softened under the lamination temperature condition (usually 70 ° C. to 140 ° C.) in the vacuum laminating method, and simultaneously with the lamination of the circuit board, It is important to show fluidity (resin flow) that allows resin filling in via holes or through holes present in a circuit board, and it is preferable to blend the above-described components so as to exhibit such characteristics.
- the lamination temperature condition usually 70 ° C. to 140 ° C.
- the diameter of the through hole of the multilayer printed wiring board is usually 0.1 to 0.5 mm, and the depth is usually 0.1 to 1.2 mm. Usually, it is preferable that the resin can be filled in this range. When laminating both surfaces of the circuit board, it is desirable to fill about 1/2 of the through hole.
- the method for producing the adhesive film described above is, after preparing the varnish-like curable resin composition of the present invention, coating the varnish-like composition on the surface of the support film, further heating, Or it can manufacture by drying an organic solvent by hot air spraying etc. and forming the layer ((alpha)) of a curable resin composition.
- the thickness of the layer ( ⁇ ) to be formed is usually not less than the thickness of the conductor layer. Since the thickness of the conductor layer of the circuit board is usually in the range of 5 to 70 ⁇ m, the thickness of the resin composition layer is preferably 10 to 100 ⁇ m.
- the said layer ((alpha)) may be protected with the protective film mentioned later.
- a protective film By protecting with a protective film, it is possible to prevent dust and the like from being attached to the surface of the resin composition layer and scratches.
- the above-mentioned support film and protective film are made of polyolefin such as polyethylene, polypropylene and polyvinyl chloride, polyethylene terephthalate (hereinafter sometimes abbreviated as “PET”), polyester such as polyethylene naphthalate, polycarbonate, polyimide, and further. Examples thereof include metal foil such as pattern paper, copper foil, and aluminum foil.
- the support film and the protective film may be subjected to a release treatment in addition to the mud treatment and the corona treatment.
- the thickness of the support film is not particularly limited, but is usually 10 to 150 ⁇ m, preferably 25 to 50 ⁇ m.
- the thickness of the protective film is preferably 1 to 40 ⁇ m.
- the support film described above is peeled off after being laminated on a circuit board or after forming an insulating layer by heat curing. If the support film is peeled after the adhesive film is heat-cured, adhesion of dust and the like in the curing process can be prevented. In the case of peeling after curing, the support film is usually subjected to a release treatment in advance.
- the method for producing a multilayer printed wiring board using the adhesive film obtained as described above is, for example, when the layer ( ⁇ ) is protected with a protective film, Lamination is performed on one or both sides of the circuit board by, for example, vacuum laminating so that ⁇ ) is in direct contact with the circuit board.
- the laminating method may be a batch method or a continuous method using a roll. Further, the adhesive film and the circuit board may be heated (preheated) as necessary before lamination.
- the laminating conditions are a pressure bonding temperature (lamination temperature) of preferably 70 to 140 ° C. and a pressure bonding pressure of preferably 1 to 11 kgf / cm 2 (9.8 ⁇ 10 4 to 107.9 ⁇ 10 4 N / m 2 ). Lamination is preferably performed under a reduced pressure of 20 mmHg (26.7 hPa) or less.
- the curable resin composition of the present invention is used as a conductive paste, for example, a method of dispersing fine conductive particles in the curable resin composition to obtain a composition for anisotropic conductive film, liquid at room temperature And a paste resin composition for circuit connection and an anisotropic conductive adhesive.
- the phosphorus atom-containing oligomer composition, the epoxy resin, the curing accelerator, and an inorganic filler, etc. are extruded as necessary. It can be obtained by sufficiently melt-mixing until uniform using a machine, kneader, roll or the like. At that time, silica is usually used as the inorganic filler, and the filler is preferably used in the range of 30 to 95% by mass per 100 parts by mass of the curable resin composition, and particularly, flame retardant.
- the composition is molded by casting or using a transfer molding machine, injection molding machine, etc., and further heated at 50 to 200 ° C. for 2 to 10 hours to form a semiconductor device as a molded product. The method of obtaining is mentioned.
- the method for obtaining the cured product of the present invention may be based on a general curing method for a curable resin composition, but for example, the heating temperature condition may be appropriately selected depending on the kind of curing agent to be combined and the use. However, the composition obtained by the above method may be heated in a temperature range of about 20 to 250 ° C.
- melt viscosity at 180 ° C. compliant with ASTM D4287
- Softening point measurement method JIS K7234
- Phosphorus content measurement method compliant with JIS K0102-46
- GPC Measurement conditions are as follows.
- Measuring device “HLC-8220 GPC” manufactured by Tosoh Corporation Column: Guard column “HXL-L” manufactured by Tosoh Corporation + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation + Tosoh Corporation “TSK-GEL G3000HXL” + “TSK-GEL G4000HXL” manufactured by Tosoh Corporation Detector: RI (Differential refraction diameter)
- Data processing “GPC-8020 Model II version 4.10” manufactured by Tosoh Corporation Measurement conditions: Column temperature 40 ° C Developing solvent Tetrahydrofuran Flow rate 1.0 ml / min Standard: The following monodisperse polystyrene having a known molecular weight was used according to the measurement manual of “GPC-8020 model II version 4.10”.
- NMR JEOL JNM-ECA500 nuclear magnetic resonance apparatus
- Magnetic field strength 500 MHz
- Pulse width 3.25 ⁇ sec Integration count: 8000 times
- Solvent DMSO-d6 Sample concentration: 30% by mass
- n 1 or more
- Example 1 In a flask equipped with a thermometer, condenser, fractionator, and stirrer, 324.0 parts by mass (1.5 mol) of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 122 parts by mass (1.0 mol) of o-hydroxybenzaldehyde was charged and stirred at 40 ° C. while blowing nitrogen. The mixture was heated to 140 ° C. and stirred for 4 hours, then heated to 180 ° C. and stirred for 8 hours. Thereafter, water is removed under reduced pressure by heating, and the following structural formula
- a phosphorus atom-containing oligomer composition (A-1) represented by The obtained phosphorus atom-containing oligomer composition has a hydroxyl group equivalent of 428 g / equivalent, a softening point of 140 ° C., a phosphorus content of 10.5%, and an abundance ratio of the phosphorus atom-containing compound in which n is 0 is 53.3. The abundance ratio of components having% and n of 1 or more was 46.7%.
- the GPC chart of the obtained phosphorus atom-containing oligomer (A-1) is shown in FIG. 1, the 13 C-NMR chart is shown in FIG. 2, and the MS spectrum is shown in FIG.
- Example 2 In a flask equipped with a thermometer, condenser, fractionator, and stirrer, 324.0 parts by mass (1.5 mol) of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 122 parts by mass (1.0 mol) of o-hydroxybenzaldehyde was charged and stirred at 40 ° C. while blowing nitrogen. The mixture was heated to 140 ° C. and stirred for 1 hour, then heated to 180 ° C. and stirred for 8 hours. Thereafter, water is removed under reduced pressure by heating, and the following structural formula
- a phosphorus atom-containing oligomer composition (A-2) represented by The obtained phosphorus atom-containing oligomer composition has a hydroxyl group equivalent of 428 g / equivalent, a softening point of 120 ° C., a phosphorus content of 10.5%, and an abundance ratio of the phosphorus atom-containing compound in which n is 0 is 80.6. %, N was 19.4% or more was 19.4%.
- the GPC chart of the resulting phosphorus atom-containing oligomer composition (A-2) is shown in FIG.
- Example 3 In a flask equipped with a thermometer, condenser, fractionator, and stirrer, 324.0 parts by mass (1.5 mol) of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 122 parts by mass (1.0 mol) of o-hydroxybenzaldehyde was charged and stirred at 40 ° C. while blowing nitrogen. The mixture was heated to 140 ° C. and stirred for 8 hours, and then heated to 180 ° C. and stirred for 8 hours. Thereafter, water is removed under reduced pressure by heating, and the following structural formula
- the obtained phosphorus atom-containing oligomer composition has a hydroxyl group equivalent of 428 g / equivalent, a softening point of 148 ° C., a phosphorus content of 10.5%, and an abundance ratio of the phosphorus atom-containing compound in which n is 0 is 38.6. %, The abundance ratio of components having n of 1 or more was 61.4%.
- a GPC chart of the resulting phosphorus atom-containing oligomer composition (A-3) is shown in FIG.
- Comparative Example 2 (compound described in Non-Patent Document 1)
- a thermometer In a flask equipped with a thermometer, a condenser tube, a fractionating tube, a nitrogen gas inlet tube, and a stirrer, 236.6 g (0.7 mol) of the phenol compound (A-4) obtained in Comparative Example 1 and oxalic acid 3 0.08 g (0.034 mol) was added, and the mixture was heated and stirred at 180 ° C. for 3 hours. Next, water is removed under heating and reduced pressure, and the following structural formula:
- a GPC chart of the resulting phenol resin (A-5) is shown in FIG.
- Comparative Example 3 (compound described in Patent Document 1) In a flask equipped with a thermometer, a condenser tube, a fractionating tube, a nitrogen gas inlet tube, and a stirrer, 169 g (0.5 mol) of the phenol compound (A-4) obtained in Comparative Example 1 and 47 g (0. 5 mol), p-toluenesulfonic acid (1.25 g) was charged, heated to 180 ° C., reacted at 180 ° C. for 8 hours, filtered and dried to obtain the following structural formula
- Examples 4 to 6 and Comparative Examples 4 to 6 Preparation of epoxy resin composition and evaluation of physical properties
- an epoxy resin “N-690” (phenol novolac type epoxy resin, epoxy equivalent: 215 g / eq) manufactured by DIC, “FX-289BEK75” (phosphorus-containing) manufactured by Nippon Steel Chemical Co., Ltd.
- Modified epoxy resin epoxy equivalent: 330 g / eq
- phosphorus-containing phenol resin A-1
- A-2 phosphorus-containing phenol resin
- A-3 phosphorus-containing phenol resin
- A-5 phenol novolac
- a resin (“TD-2090” manufactured by DIC Corporation: hydroxyl group equivalent of 105 g / eq) was added, and 2-ethyl-4-methylimidazole (2E4MZ) was further added as a curing catalyst, and finally the nonvolatile content of each composition ( N.V.) was adjusted by blending methyl ethyl ketone so as to be 58% by mass.
- Heat-resistant peelability test (T288 test): The heat-resistant peelability evaluation (with copper foil) at 288 ° C. was performed in accordance with IPC TM650.
- N-690 Cresol novolak type epoxy resin manufactured by DIC Corporation (“Epiclon N-690”, epoxy equivalent: 215 g / equivalent)
- FX-289BEK75 Phosphorus-modified epoxy resin (“FX-289BER75” manufactured by Tohto Kasei: obtained by reacting cresol novolac type epoxy resin with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide Epoxy resin, epoxy equivalent 330 g / equivalent, phosphorus content 3.0 mass%)
- A-1 Phosphorus atom-containing oligomer composition obtained in Example 1 (A-1)
- A-2 Phosphorus atom-containing oligomer composition obtained in Example 2 (A-2)
- A-3 Phosphorus atom-containing oligomer composition obtained in Example 3 (A-3)
- A-5 Phenolic resin obtained in Comparative Example 2 (A-5)
- A-6 Phenol compound (A-6) obtained in Comparative Example 3 TD-2090:
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Abstract
Description
で表される構造部位であり、また、該構造式(x1)中、R2~R5は、それぞれ独立的に、水素原子、炭素原子数1~4のアルキル基、炭素原子数1~4のアルコキシ基、フェニル基で表され、かつnは繰り返し単位で0以上の整数である。)で表され、かつ、前記構造式(1)においてnが0のリン原子含有化合物と、前記構造式(1)においてnが1以上のリン原子含有オリゴマーとの混合物であって、かつ、前記構造式(1)においてnが1成分以上のリン原子含有オリゴマーの含有率が、GPC測定におけるピーク面積基準で5~90%の範囲にあることを特徴とするリン原子含有オリゴマー組成物に関する。
4)GPC:測定条件は以下の通り。
測定装置 :東ソー株式会社製「HLC-8220 GPC」、
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G4000HXL」
検出器 : RI(示差屈折径)
データ処理:東ソー株式会社製「GPC-8020モデルIIバージョン4.10」
測定条件 : カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 : 前記「GPC-8020モデルIIバージョン4.10」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
(使用ポリスチレン)
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料 : 樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)。
(式中、R1は水素原子、炭素原子数1~4のアルキル基、炭素原子数1~4のアルコキシ基、フェニル基を表す。)
で表される化合物(a2)とを、モル比[化合物(a1)/化合物(a2)]が0.01/1.0~0.99/1.0となる割合で配合し、酸触媒の存在下或いは無触媒下に、100~200℃で反応を行い、次いで、前記化合物(a2)の仕込み量に対して、モル基準で合計1.01~3.0倍量となる前記化合物(a1)を加え、140~220℃にて反応を行うことにより目的とするリン原子含有オリゴマー組成物を得ることができる。
ビフェニル変性ナフトール樹脂(ビスメチレン基でフェノール核が連結された多価ナフトール化合物)、アミノトリアジン変性フェノール樹脂(フェノール骨格、トリアジン環及び1級アミノ基を分子構造中に有する化合物)やアルコキシ基含有芳香環変性ノボラック樹脂(ホルムアルデヒドでフェノール核及びアルコキシ基含有芳香環が連結された多価フェノール化合物)等の多価フェノール化合物が挙げられる。
1)180℃における溶融粘度 : ASTM D4287に準拠
2)軟化点測定法 : JIS K7234
3)リン含有量測定法 : JIS K0102-46に準拠
4)GPC :測定条件は以下の通り。
測定装置 :東ソー株式会社製「HLC-8220 GPC」、
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G4000HXL」
検出器: RI(示差屈折径)
データ処理:東ソー株式会社製「GPC-8020モデルIIバージョン4.10」
測定条件: カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 : 前記「GPC-8020モデルIIバージョン4.10」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料 : 樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)。
磁場強度:500MHz
パルス幅:3.25μsec
積算回数:8000回
溶媒:DMSO-d6
試料濃度:30質量%
測定モード:linear
積算回数:100回
試料組成:sample/DHBA/NaTFA/THF=10.0mg/100.0mg/5.0mg/1ml
温度計、冷却管、分留管、撹拌器を取り付けたフラスコに、9,10-ジヒドロ-9-オキサ-10-ホスファフェナントレン-10-オキサイドを324.0質量部(1.5モル)、o-ヒドロキシベンズアルデヒド122質量部(1.0モル)を仕込み、40℃下、窒素を吹き込みながら撹拌した。140℃に加熱し4時間撹拌後、180℃に加熱し8時間撹拌した。その後、水を加熱減圧下で除去して下記構造式
であらわされるリン原子含有オリゴマー組成物(A-1)を410質量部得た。得られたリン原子含有オリゴマー組成物の水酸基当量は428グラム/当量、軟化点140℃、燐含有量は10.5%であり、nが0であるリン原子含有化合物の存在比率は53.3%、nが1以上の成分の存在比率は46.7%であった。得られたリン原子含有オリゴマー(A-1)のGPCチャートを図1に、13C-NMRチャートを図2に、MSスペクトルを図3に示す。
温度計、冷却管、分留管、撹拌器を取り付けたフラスコに、9,10-ジヒドロ-9-オキサ-10-ホスファフェナントレン-10-オキサイドを324.0質量部(1.5モル)、o-ヒドロキシベンズアルデヒド122質量部(1.0モル)を仕込み、40℃下、窒素を吹き込みながら撹拌した。140℃に加熱し1時間撹拌後、180℃に加熱し8時間撹拌した。その後、水を加熱減圧下で除去して下記構造式
温度計、冷却管、分留管、撹拌器を取り付けたフラスコに、9,10-ジヒドロ-9-オキサ-10-ホスファフェナントレン-10-オキサイドを324.0質量部(1.5モル)、o-ヒドロキシベンズアルデヒド122質量部(1.0モル)を仕込み、40℃下、窒素を吹き込みながら撹拌した。140℃に加熱し8時間撹拌後、180℃に加熱し8時間撹拌した。その後、水を加熱減圧下で除去して下記構造式
であらわされるリン原子含有オリゴマー組成物(A-3)を400重量部得た。得られたリン原子含有オリゴマー組成物の水酸基当量は428グラム/当量、軟化点148℃、燐含有量は10.5%であり、nが0であるリン原子含有化合物の存在比率は38.6%、nが1以上である成分の存在比率は61.4%であった。得られたリン原子含有オリゴマー組成物(A-3)のGPCチャートを図5に示す。
温度計、冷却管、分留管、窒素ガス導入管、撹拌器を取り付けたフラスコに、p-ヒドロキシベンズアルデヒド122g(1.0モル)と9,10-ジヒドロ-9-オキサ-10-ホスファフェナントレン-10-オキサイド(以下、「HCA」と略記する。)216g(1.0モル)、2-プロパノール336gを仕込み、5時間還流させた。次いで、析出した白色固体をろ別、2-プロパノール1000mLで洗浄、乾燥を経て、下記構造式
温度計、冷却管、分留管、窒素ガス導入管、撹拌器を取り付けたフラスコに、比較例1で得られたフェノール化合物(A-4)236.6g(0.7モル)とシュウ酸3.08g(0.034モル)を仕込み、180℃で3時間加熱攪拌した。次いで、水を加熱減圧下に除去し、下記構造式、
で表される構造単位を主成分とするフェノール樹脂(A-5)210gを得た。これの軟化点は84℃(B&R法)、溶融粘度(測定法:ICI粘度計法、測定温度:150℃)は1.0dPa・s、水酸基当量は420g/当量、リン含有量9.4質量%であり、nが2以上の成分比率は34.0%であった。得られたフェノール樹脂(A-5)のGPCチャートを図7に示す。
温度計、冷却管、分留管、窒素ガス導入管、撹拌器を取り付けたフラスコに、比較例1で得られたフェノール化合物(A-4) 169g(0.5モル)とフェノール47g(0.5モル)、p-トルエンスルホン酸1.25gを仕込み、180℃まで昇温し180℃で8時間反応させた後、ろ過、乾燥を経て、下記構造式
下記、表1記載の配合に従い、エポキシ樹脂として、DIC製「N-690」(フェノールノボラック型エポキシ樹脂、エポキシ当量:215g/eq)、新日鐵化学株式会社製「FX-289BEK75」(燐含有変性エポキシ樹脂、エポキシ当量:330g/eq)、硬化剤としてリン含有フェノール樹脂(A-1)、(A-2)、(A-3)、(A-5)、(A-6)フェノールノボラック樹脂(DIC株式会社製「TD-2090」:水酸基当量105g/eq)を配合し、更に硬化触媒として2-エチル-4-メチルイミダゾール(2E4MZ)を加え、最終的に各組成物の不揮発分(N.V.)が58質量%となるようにメチルエチルケトンを配合して調整した。
基材:100μm 日東紡績株式会社製 プリント配線基板用ガラスクロス「2116」プライ数:6
銅箔:18μm 日鉱金属株式会社製 TCR箔
プリプレグ化条件:160℃/2分
硬化条件:200℃、2.9MPa、2.0時間
成形後板厚:0.8mm、樹脂量40%
上記条件で作成した硬化物を試験片として用い、以下の各種の評価を行った。結果を表1に示す。
ガラス転移点:エッチング処理を施し銅箔除去した後、試験片をTMA法(圧縮荷重法)にて測定。昇温スピード3℃/分
耐熱剥離性試験(Time to Delamination):
IPC TM650に準拠し、288℃における耐熱剥離性評価(銅箔付)を実施した。
燃焼試験:試験方法はUL-94垂直試験に準拠。
N-690:DIC(株)製クレゾールノボラック型エポキシ樹脂(「エピクロンN-690」、エポキシ当量:215g/当量)
FX-289BEK75:リン変性エポキシ樹脂(東都化成製「FX-289BER75」:クレゾールノボラック型エポキシ樹脂に9,10-ジヒドロ-9-オキサ-10-ホスファフェナントレン-10-オキサイドを反応させて得られたエポキシ樹脂、エポキシ当量330g/当量、リン含有量3.0質量%)
A-1:実施例1で得られたリン原子含有オリゴマー組成物(A-1)
A-2:実施例2で得られたリン原子含有オリゴマー組成物(A-2)
A-3:実施例3で得られたリン原子含有オリゴマー組成物(A-3)
A-5:比較例2で得られたフェノール樹脂(A-5)
A-6:比較例3で得られたフェノール化合物(A-6)
TD-2090:フェノールノボラック型フェノール樹脂(DIC(株)製「TD-2090」、水酸基当量105g/当量)
2E4MZ:2-エチル-4-メチルイミダゾール
Claims (5)
- 下記構造式(1)
で表される構造部位であり、また、該構造式(x1)中、R2~R5は、それぞれ独立的に、水素原子、炭素原子数1~4のアルキル基、炭素原子数1~4のアルコキシ基、フェニル基で表され、かつ、nは繰り返し単位で0以上の整数である。)で表され、かつ、前記構造式(1)においてnが0のリン原子含有化合物と、前記構造式(1)においてnが1以上のリン原子含有オリゴマーとの混合物であって、かつ、前記構造式(1)においてnが1成分以上のリン原子含有オリゴマーの含有率が、GPC測定におけるピーク面積基準で5~90%の範囲にあることを特徴とするリン原子含有オリゴマー組成物。 - 前記リン原子含有オリゴマー組成物が、リン原子含有率9~12質量%のものである請求項1記載のリン原子含有オリゴマー組成物。
- エポキシ樹脂と、硬化剤とを必須成分とする硬化性樹脂組成物であって、前記硬化剤として、請求項1又は2記載のリン原子含有オリゴマー組成物を用いることを特徴とする硬化性樹脂組成物。
- 請求項3記載の硬化性樹脂組成物を硬化反応させてなることを特徴とする硬化物。
- 請求項3記載の硬化性樹脂組成物に、更に有機溶剤を配合してワニス化した樹脂組成物を、補強基材に含浸し銅箔を重ねて加熱圧着させることにより得られたプリント配線基板。
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JP2013023560A (ja) * | 2011-07-20 | 2013-02-04 | Dic Corp | エポキシ樹脂組成物、その硬化物、及びプリント配線基板 |
JP2014181280A (ja) * | 2013-03-19 | 2014-09-29 | Dic Corp | ポリウレタン樹脂用組成物及びこれを用いたポリウレタン樹脂発泡体 |
JP2015134878A (ja) * | 2014-01-17 | 2015-07-27 | Dic株式会社 | 難燃性樹脂組成物、難燃性マスターバッチ、成形体およびそれらの製造方法 |
JP2016020445A (ja) * | 2014-07-15 | 2016-02-04 | Dic株式会社 | エポキシ樹脂組成物、硬化物、繊維強化複合材料、繊維強化樹脂成形品、半導体封止材料、半導体装置、プリプレグ、回路基板、ビルドアップフィルム、及びビルドアップ基板 |
JP2016020444A (ja) * | 2014-07-15 | 2016-02-04 | Dic株式会社 | エポキシ樹脂組成物、硬化物、繊維強化複合材料、繊維強化樹脂成形品、半導体封止材料、半導体装置、プリプレグ、回路基板、ビルドアップフィルム、及びビルドアップ基板 |
JP2016094506A (ja) * | 2014-11-12 | 2016-05-26 | Dic株式会社 | 難燃性樹脂組成物、成形体およびそれらの製造方法 |
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LIU, Y. L.: "Flame-retardant epoxy resins from novel phosphorus-containing novolac", POLYMER, vol. 42, no. 8, 2001, pages 3445 - 3454, XP004313886 * |
See also references of EP2682398A4 |
YING LING LIU: "Flame-retardant epoxy resins from novel phosphorus-containing novolac", POLYMER, vol. 42, 2001, pages 3445 - 3454 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2013023560A (ja) * | 2011-07-20 | 2013-02-04 | Dic Corp | エポキシ樹脂組成物、その硬化物、及びプリント配線基板 |
JP2014181280A (ja) * | 2013-03-19 | 2014-09-29 | Dic Corp | ポリウレタン樹脂用組成物及びこれを用いたポリウレタン樹脂発泡体 |
JP2015134878A (ja) * | 2014-01-17 | 2015-07-27 | Dic株式会社 | 難燃性樹脂組成物、難燃性マスターバッチ、成形体およびそれらの製造方法 |
JP2016020445A (ja) * | 2014-07-15 | 2016-02-04 | Dic株式会社 | エポキシ樹脂組成物、硬化物、繊維強化複合材料、繊維強化樹脂成形品、半導体封止材料、半導体装置、プリプレグ、回路基板、ビルドアップフィルム、及びビルドアップ基板 |
JP2016020444A (ja) * | 2014-07-15 | 2016-02-04 | Dic株式会社 | エポキシ樹脂組成物、硬化物、繊維強化複合材料、繊維強化樹脂成形品、半導体封止材料、半導体装置、プリプレグ、回路基板、ビルドアップフィルム、及びビルドアップ基板 |
JP2016094506A (ja) * | 2014-11-12 | 2016-05-26 | Dic株式会社 | 難燃性樹脂組成物、成形体およびそれらの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
TWI411629B (zh) | 2013-10-11 |
EP2682398B1 (en) | 2016-05-11 |
JPWO2012124689A1 (ja) | 2014-07-24 |
US20140008108A1 (en) | 2014-01-09 |
TW201302867A (zh) | 2013-01-16 |
CN103249740A (zh) | 2013-08-14 |
CN103249740B (zh) | 2014-10-29 |
KR101895780B1 (ko) | 2018-09-07 |
KR20130139751A (ko) | 2013-12-23 |
JP5146793B2 (ja) | 2013-02-20 |
EP2682398A1 (en) | 2014-01-08 |
EP2682398A4 (en) | 2014-12-17 |
US9056990B2 (en) | 2015-06-16 |
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