JP2012522863A - ポリアミック酸溶液、ポリイミド樹脂及びこれを用いたフレキシブル金属箔張積層板 - Google Patents
ポリアミック酸溶液、ポリイミド樹脂及びこれを用いたフレキシブル金属箔張積層板 Download PDFInfo
- Publication number
- JP2012522863A JP2012522863A JP2012503339A JP2012503339A JP2012522863A JP 2012522863 A JP2012522863 A JP 2012522863A JP 2012503339 A JP2012503339 A JP 2012503339A JP 2012503339 A JP2012503339 A JP 2012503339A JP 2012522863 A JP2012522863 A JP 2012522863A
- Authority
- JP
- Japan
- Prior art keywords
- acid solution
- polyamic acid
- metal foil
- polyimide resin
- clad laminate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920001721 polyimide Polymers 0.000 title claims abstract description 79
- 229920005575 poly(amic acid) Polymers 0.000 title claims abstract description 66
- 239000009719 polyimide resin Substances 0.000 title claims abstract description 64
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 58
- 239000002184 metal Substances 0.000 title claims abstract description 58
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 claims abstract description 36
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical compound C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 150000004984 aromatic diamines Chemical class 0.000 claims abstract description 24
- 239000011256 inorganic filler Substances 0.000 claims abstract description 14
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 14
- 239000003960 organic solvent Substances 0.000 claims abstract description 9
- 239000011888 foil Substances 0.000 claims description 38
- 239000003822 epoxy resin Substances 0.000 claims description 23
- 229920000647 polyepoxide Polymers 0.000 claims description 23
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 17
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 claims description 14
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 238000009832 plasma treatment Methods 0.000 claims description 11
- 125000006158 tetracarboxylic acid group Chemical group 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000454 talc Substances 0.000 claims description 5
- 229910052623 talc Inorganic materials 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 150000000000 tetracarboxylic acids Chemical class 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000000378 calcium silicate Substances 0.000 claims description 2
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
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- 239000003365 glass fiber Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
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- 238000000034 method Methods 0.000 description 12
- 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 10
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
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- 239000000126 substance Substances 0.000 description 7
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- -1 [aminophenoxy] -phenyl Chemical group 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 3
- 238000006358 imidation reaction Methods 0.000 description 3
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- 238000003756 stirring Methods 0.000 description 3
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 2
- QYIMZXITLDTULQ-UHFFFAOYSA-N 4-(4-amino-2-methylphenyl)-3-methylaniline Chemical group CC1=CC(N)=CC=C1C1=CC=C(N)C=C1C QYIMZXITLDTULQ-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229930003836 cresol Natural products 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229940018564 m-phenylenediamine Drugs 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 description 1
- 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 1
- XUSNPFGLKGCWGN-UHFFFAOYSA-N 3-[4-(3-aminopropyl)piperazin-1-yl]propan-1-amine Chemical compound NCCCN1CCN(CCCN)CC1 XUSNPFGLKGCWGN-UHFFFAOYSA-N 0.000 description 1
- WUPRYUDHUFLKFL-UHFFFAOYSA-N 4-[3-(4-aminophenoxy)phenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(OC=2C=CC(N)=CC=2)=C1 WUPRYUDHUFLKFL-UHFFFAOYSA-N 0.000 description 1
- XPAQFJJCWGSXGJ-UHFFFAOYSA-N 4-amino-n-(4-aminophenyl)benzamide Chemical compound C1=CC(N)=CC=C1NC(=O)C1=CC=C(N)C=C1 XPAQFJJCWGSXGJ-UHFFFAOYSA-N 0.000 description 1
- CQMIJLIXKMKFQW-UHFFFAOYSA-N 4-phenylbenzene-1,2,3,5-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C(O)=O)=C1C1=CC=CC=C1 CQMIJLIXKMKFQW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
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- 239000002270 dispersing agent Substances 0.000 description 1
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- 125000005843 halogen group Chemical group 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
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- IGALFTFNPPBUDN-UHFFFAOYSA-N phenyl-[2,3,4,5-tetrakis(oxiran-2-ylmethyl)phenyl]methanediamine Chemical compound C=1C(CC2OC2)=C(CC2OC2)C(CC2OC2)=C(CC2OC2)C=1C(N)(N)C1=CC=CC=C1 IGALFTFNPPBUDN-UHFFFAOYSA-N 0.000 description 1
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- 235000012424 soybean oil Nutrition 0.000 description 1
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- 150000003457 sulfones Chemical class 0.000 description 1
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- 125000004434 sulfur atom Chemical group 0.000 description 1
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Images
Classifications
-
- 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
- H05K1/0346—Organic insulating material consisting of one material containing N
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1535—Five-membered rings
- C08K5/1539—Cyclic anhydrides
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Abstract
【選択図】 なし
Description
1−1.ポリアミック酸溶液の製造
温度計、攪拌機及び窒素吸入口と粉末投入口(Powder dispensing funnel)を備えた4口反応容器に窒素ガスを徐々に通過させながら166mlのN−メチルピロリドン(N-methyl pyrrolidone, NMP)と6.8g(20重量%)の滑石(Talc)粉末とを加えて攪拌した。この溶液に7.11g(0.0657mol)のp−フェニレンジアミン(p-phenylene diamine、p−PDA)と3.32g(0.0166mol)の4,4’−オキシジアニリン(4,4’-oxydianiline、ODA)とを加え、25℃で攪拌して完全に溶解させた。この溶液に21.77g(0.0740mol)の3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(3,3’,4,4’-biphenyltetracarboxylic acid dianhydride、BPDA)と1.79g(0.0082mol)のピロメリット酸二無水物(pyromellitic dianhydride、PMDA)とを徐々に加え、10時間攪拌しながら重合を行うことで、粘度25,000cpsのポリアミック酸溶液(polyamic acid solution)が得られた。
キャスト法(casting method)を用いて厚さ18μmの電解銅箔の表面に、上記で得られたポリアミック酸溶液のコーティングを施した。なお、コーティング厚さは、硬化過程完了後の最後に得られたポリイミド樹脂層が25μmの厚さとなるように調節した。次いで、コーティングが施されたポリアミック酸溶液を、50〜200℃の温度で、10〜40分間数回にわたって乾燥を行った。次いで、250〜400℃に昇温してイミド化反応を行うことで、ポリイミド層が形成されたフレキシブル銅箔張積層板を製造した。
常圧プラズマ発生装置を用いて、上記の実施例1−2で製造されたフレキシブル銅箔張積層板のポリイミド層の表面に常圧プラズマ処理を施した。
ガス(gas):アルゴンガス、酸素ガス、窒素ガス
プラズマの強さ:7kV
電極とポリイミド層との距離:5mm
処理速度:1m/min
下記の表1及び2に示されるように、p−フェニレンジアミン(p−PDA)、4,4’−オキシジアニリン(ODA)、3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(BPDA)、及びピロメリット酸二無水物(PMDA)と共に滑石(Talc)の含量を変えた以外は、実施例2と同様にしてポリアミック酸溶液、及びフレキシブル銅箔張積層板を製造した。
9−1.ポリアミック酸溶液の製造
温度計、攪拌機及び窒素吸入口と粉末投入口(powder dispensing funnel)を備えた4口反応容器に窒素ガスを徐々に通過させながら166mlのN−メチルピロリドン(NMP)と6.8g(20重量%)の滑石(Talc)粉末とを加えて攪拌した。この溶液に7.18g(0.0664mol)のp−フェニレンジアミン(p−PDA)と3.36g(0.0168mol)の4,4’−オキシジアニリン(ODA)とを加え、25℃で攪拌して完全に溶解させた。この溶液に21.77g(0.0740mol)の3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(BPDA)と1.79g(0.0082mol)のピロメリット酸二無水物(PMDA)を徐々に加え、10時間攪拌しながら重合を行うことで、粘度25,000cpsのポリアミック酸溶液が得られた。
キャスト法(casting method)を用いて厚さ18μmの電解銅箔の表面に、上記で得られたポリアミック酸溶液のコーティングを施した。なお、コーティング厚さは、硬化過程完了後の最後に得られたポリイミド樹脂層が25μmの厚さとなるように調節した。次いで、コーティングが施されたポリアミック酸溶液を、50〜200℃の温度で、10〜40分間数回にわたって乾燥を行った。次いで、250〜400℃に昇温してイミド化反応を行うことで、ポリイミド層が形成されたフレキシブル銅箔張積層板を製造した。
21.77g(0.0740mol)の3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(BPDA)及び1.79g(0.0082mol)のピロメリット酸二無水物(PMDA)の代わりに、20.75g(0.0705mol)の3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(BPDA)及び2.71g(0.0124mol)のピロメリット酸二無水物(PMDA)を用い、上記の実施例9と同様にしてポリアミック酸溶液及びフレキシブル銅箔張積層板を製造した。
0.68g(2重量%)のエポキシ樹脂(ビスフェノールA型、SER−10)の代わりに、3.4g(10重量%)のエポキシ樹脂(ビスフェノールA型、SER−10)を用いた以外は、実施例9と同様にしてポリアミック酸溶液及びフレキシブル銅箔張積層板を製造した。
実施例1〜11及び比較例1〜7で製造された各フレキシブル銅箔張積層板の特性を評価するため、下記のような測定方法に従って測定を行った。その結果を表3に示す。
フレキシブル銅箔張積層板のポリイミド層の表面にボンディングプリプレグ(prepreg)(DOOSAN電子BG製、DS−7402BS(DFP))60分間接着を行った後、25℃の温度条件下で前記ボンディングプリプレグを積層板の面に対して90度方向に50mm/minの速度で剥離する時に必要な力の最低値を測定し、これを剥離強度として示した。
IPC−TM−650 No.2、4、9に準じて、フレキシブル銅箔張積層板に、パターン幅1mmの回路を形成した後、25℃の温度条件下で銅箔を前記積層板の面に対して90度方向に50mm/minの速度で剥離する時に必要な力の最低値を測定し、これを銅箔剥離強度として示した。
フレキシブル銅箔張積層板の回路が形成される表面に、カバーレイ(Coverlay)(PIフィルム12μm、接着剤25μm)を接合して屈曲試験片を製作した。この試験片をMIT屈曲試験装置に装着した後、0.38Rの曲率半径を有する治具を用い、175rpmの速度で、装着された試験片が断線するまでの回数を測定した。このとき、断線回数によって下記のように屈曲性を評価した。
−2,000回未満:不良
−2,000〜5,000回:普通
−5,000超過:良好
フレキシブル銅箔張積層板(10cm×10cm)を水平床面上に静置した際に、凹状になったフレキシブル銅箔張積層板の各縁部から平面までの高さ(mm)の平均値を測定した。このとき、縁部から平面までの高さによって下記のように反り特性を評価した。
−0〜10mm以下:良好
−10mm超過〜20mm以下:普通
−20mm超過:不良
Claims (15)
- (a)芳香族テトラカルボン酸二無水物(aromatic tetracarboxylic acid dianhydride)として、3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(3,3’,4,4’-biphenyltetracarboxylic acid dianhydride、BPDA)及びピロメリット酸二無水物(pyromellitic dianhydride、PMDA)を含み、
(b)1種以上の芳香族ジアミン(aromatic diamine)と、
(c)有機溶媒と、
(d)無機充填剤と、
を含むポリアミック酸溶液。 - 前記3,3’,4,4’−ビフェニルテトラカルボン酸二無水物(BPDA)(a1)と、ピロメリット酸二無水物(PMDA)(a2)とは、a1:a2=50〜95:5〜50mol%の範囲で使用されることを特徴とする請求項1に記載のポリアミック酸溶液。
- 前記1種以上の芳香族ジアミン(b)は、p−フェニレンジアミン(p-phenylene diamine、p−PDA)と、4,4’−オキシジアニリン(4,4’-oxydianiline、ODA)とを含むことを特徴とする請求項1に記載のポリアミック酸溶液。
- 前記p−フェニレンジアミン(p−PDA)(b1)と、4,4’−オキシジアニリン(ODA)(b2)とは、b1:b2=50〜90:10〜50mol%の範囲で使用されることを特徴とする請求項3に記載のポリアミック酸溶液。
- 前記無機充填剤は、滑石(talc)、雲母(mica)、シリカ(silica)、炭酸カルシウム(calcium carbonate)、炭酸マグネシウム、クレイ、ケイ酸カルシウム、酸化チタン、酸化アンチモン、ガラス繊維、及びこれらの混合物からなる群から選択されることを特徴とする請求項1に記載のポリアミック酸溶液。
- 前記無機充填剤の含量は、芳香族テトラカルボン酸二無水物と芳香族ジアミンとの総重量に対して1〜25重量%の範囲であることを特徴とする請求項1に記載のポリアミック酸溶液。
- エポキシ樹脂をさらに含むことを特徴とする請求項1に記載のポリアミック酸溶液。
- 前記エポキシ樹脂の含量は、芳香族テトラカルボン酸二無水物と芳香族ジアミンとの総重量に対して1〜10重量%の範囲であることを特徴とする請求項7に記載のポリアミック酸溶液。
- (a)1つ以上の芳香族テトラカルボン酸二無水物(aromatic tetracarboxylic acid dianhydride)と、
(b)1つ以上の芳香族ジアミン(aromatic diamine)と、
(c)有機溶媒と、
(d)無機充填剤と、
を含むポリアミック酸溶液であって、
前記1つ以上の芳香族テトラカルボン酸二無水物(a)と、前記1つ以上の芳香族ジアミン(b)との混合比率が、a:b=1.05:1.00〜1.00:1.05mol%の範囲であることを特徴とするポリアミック酸溶液。 - 請求項1乃至9のいずれか1つに記載のポリアミック酸溶液をイミド化して製造されるポリイミド樹脂。
- 金属箔層、及び
前記金属箔層の片面に形成され、請求項10に記載のポリイミド樹脂層、
を含むフレキシブル金属箔張積層板。 - 前記ポリイミド樹脂層の表面は、常圧プラズマ処理が施されたものであることを特徴とする請求項11に記載のフレキシブル金属箔張積層板。
- 請求項11または12に記載のフレキシブル金属箔張積層板を備えるプリント回路基板。
- 請求項1乃至9のいずれか1つに記載のポリアミック酸溶液を金属箔上に塗布するステップと、
前記金属箔上に塗布されたポリアミック酸溶液に熱を加えて金属箔上にポリイミド樹脂層を形成するステップと、
を含むフレキシブル金属箔張積層板の製造方法。 - 前記ポリイミド樹脂層の表面に常圧プラズマ処理を施すステップをさらに含むことを特徴とする請求項14に記載のフレキシブル金属箔張積層板の製造方法。
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JP2022548897A (ja) * | 2019-09-18 | 2022-11-22 | ピーアイ アドヴァンスド マテリアルズ カンパニー リミテッド | ポリイミドフィルム、その製造方法、およびこれを含む軟性金属箔積層板 |
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KR101396817B1 (ko) * | 2012-02-14 | 2014-05-21 | 한화엘앤씨 주식회사 | 금속 베이스 배선층 적층판 제조방법 |
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US9850401B2 (en) | 2013-12-05 | 2017-12-26 | Taimide Technology Incorporation | Multilayered polyimide film having a low dielectric constant, laminate structure including the same and manufacture thereof |
JP2022548897A (ja) * | 2019-09-18 | 2022-11-22 | ピーアイ アドヴァンスド マテリアルズ カンパニー リミテッド | ポリイミドフィルム、その製造方法、およびこれを含む軟性金属箔積層板 |
JP7375176B2 (ja) | 2019-09-18 | 2023-11-07 | ピーアイ アドヴァンスド マテリアルズ カンパニー リミテッド | ポリイミドフィルム、その製造方法、およびこれを含む軟性金属箔積層板 |
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JP5763047B2 (ja) | 2015-08-12 |
US8809688B2 (en) | 2014-08-19 |
KR20100110656A (ko) | 2010-10-13 |
KR101064816B1 (ko) | 2011-09-14 |
WO2010114338A3 (ko) | 2011-01-27 |
US20120085570A1 (en) | 2012-04-12 |
CN102459466A (zh) | 2012-05-16 |
WO2010114338A2 (ko) | 2010-10-07 |
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