WO2006109655A1 - ポリイミドフィルム及びそれを用いたポリイミド金属積層体とその製造方法 - Google Patents
ポリイミドフィルム及びそれを用いたポリイミド金属積層体とその製造方法 Download PDFInfo
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- WO2006109655A1 WO2006109655A1 PCT/JP2006/307247 JP2006307247W WO2006109655A1 WO 2006109655 A1 WO2006109655 A1 WO 2006109655A1 JP 2006307247 W JP2006307247 W JP 2006307247W WO 2006109655 A1 WO2006109655 A1 WO 2006109655A1
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- WIPO (PCT)
- Prior art keywords
- polyimide
- polyimide film
- layer
- thermoplastic polyimide
- thermoplastic
- Prior art date
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- 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 description 1
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- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/381—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the substrate
-
- 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
-
- 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
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- 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
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
-
- 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
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
-
- 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
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- 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
- C08J2379/00—Characterised by the use 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 C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
-
- 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
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/036—Multilayers with layers of different types
-
- 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
- H05K2201/0129—Thermoplastic polymer, e.g. auto-adhesive layer; Shaping of thermoplastic polymer
-
- 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
- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0779—Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved
- H05K2203/0786—Using an aqueous solution, e.g. for cleaning or during drilling of holes
- H05K2203/0793—Aqueous alkaline solution, e.g. for cleaning or etching
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/12—Using specific substances
- H05K2203/122—Organic non-polymeric compounds, e.g. oil, wax or thiol
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
- Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31721—Of polyimide
Definitions
- a polyimide film and a metal foil are bonded to each other through various adhesives.
- a polyimide film and a metal foil for example, copper foil
- polyimide films due to its chemical structure and high chemical resistance (solvent) stability, polyimide films often have insufficient adhesion to copper foil, even with an adhesive.
- various surface treatments for example, coupling agent coating treatment, sand blast treatment, corona discharge treatment, plasma treatment, alkali treatment, etc.
- the polyimide film surface-treated by the coupling agent coating treatment may have a decrease in electrical characteristics due to Si residue. Sand blasting also leaves a problem in the cleaning process to remove abrasives that have adhered to the polyimide film.
- corona discharge treatment and plasma treatment can be incorporated (in-line) into a film-forming apparatus because of the simplicity of the equipment, and it is an advantageous treatment and a slight improvement in adhesion has been observed. Yes.
- a metal foil is bonded to a polyimide film subjected to corona discharge treatment or plasma treatment using a polyimide adhesive as an adhesive, no improvement in adhesion is observed. There was a problem as a practical treatment.
- Patent Document 1 a technique that can improve the adhesion to the metal layer by treating the surface of the polyimide film with an alkali is also known (see Patent Document 1, etc.).
- the content described in Patent Document 1 regarding adhesion is only a description that the adhesion is improved only by treating the polyimide film with a simple alkaline solution, and the composition of the alkaline solution has been studied at all. In some cases, the adhesion could be reduced.
- Patent Document 1 Special Table 2004-533723
- Patent Document 2 JP-A-11-293009
- An object of the present invention is to provide a polyimide film having excellent wettability and high adhesion to a metal foil bonded through a polyimide adhesive, and to use the polyimide film. It is providing the polyimide metal laminated body manufactured.
- a non-thermoplastic polyimide layer, a thermoplastic polyimide layer, and a polyimide metal laminate in which a metal layer are laminated in sequence are non-thermoplastic.
- Polyimide film that becomes polyimide layer is made of alcoholamine and alkali metal.
- the inventors have found that the above-mentioned problems can be solved by surface treatment with an aqueous solution containing a hydroxide salt, and have reached the present invention.
- the present invention relates to the following.
- the alcoholic amine weight content (A wt%) in the aqueous solution is 5 wt% or more and 75 wt% or less, and the alkali metal hydroxide weight content (B wt%) is 10 wt%.
- the polyimide film according to [1] which is 45% by weight or less and has a water content (C% by weight) of 9% by weight to 80% by weight.
- the alcohol amine is one or more selected from the group consisting of ethanolamine, propanolamine, butanolamine, diethanolamine and dipropanolamine, and the alkali metal hydroxide is water.
- the polyimide film comprises an acid dianhydride component containing at least one of pyromellitic dianhydride and biphenyltetracarboxylic dianhydride, and at least one of phenol-diamine and diaminodiphenyl ether.
- the manufacturing method of the polyimide metal laminated body containing.
- a polyimide film can be obtained with excellent wettability, high adhesion to a metal foil bonded via a polyimide adhesive, and a high-density circuit can be obtained by using the polyimide film.
- a polyimide metal laminate suitable for a substrate material can be provided.
- the polyimide film of the present invention is a film obtained by treating the surface of a polyimide film with an aqueous solution containing alcoholamine and alkali metal hydroxide.
- the material of the polyimide film of the present invention is not particularly limited, but is preferably a film made of a resin composition containing non-thermoplastic polyimide.
- the non-thermoplastic polyimide is a polycondensate of a raw material composition containing an acid dianhydride component and a diamine component.
- polyimide film strength containing non-thermoplastic polyimide which is a polycondensate of these raw material compositions.
- the present invention has a particularly remarkable effect.
- the raw material composition of the non-thermoplastic polyimide constituting the polyimide film of the present invention is not limited to the above-mentioned compounds, and the known diamine and acid dianhydride can be further filtered within a range not impairing the effects of the present invention. There is no problem to include.
- the resin composition constituting the polyimide film may be further blended with thermoplastic polyimide resin or the like! /.
- a commercially available polyimide film can be used as a polyimide film to be surface-treated.
- a commercially available polyimide film can be used.
- Ube Industries, Ltd .: trade name Upilex S (registered trademark), KANEKI Co., Ltd .: Trade name Avical NPI, Avical AH (registered trademark), Toray DuPont Co., Ltd .: Trade name KaptonV KaptonEN (registered trademark) are preferably used.
- the thickness of the polyimide film of the present invention is not particularly limited, and the force that can be selected according to the purpose is preferably in the range of 5 to 250 / ⁇ ⁇ , more preferably 5 to 50 / ⁇ ⁇ , and more preferably Preferably it is 5-25 micrometers.
- the surface of the polyimide film of the present invention is alcoholamine and alkali. It is characterized by being treated with an aqueous solution containing a metal hydroxide!
- the surface of the film to be treated can be either one or both sides of the film! /.
- the aqueous solution used for the surface treatment of the polyimide film is not particularly limited as long as it is an aqueous solution containing an alcoholamine and an alkali metal hydroxide, but a preferred composition is that of the alcoholamine contained in the aqueous solution.
- the weight content (A wt%) is 5 wt% or more and 75 wt% or less
- the weight content (B wt%) of the alkali metal hydroxide is 10 wt% or more and 45 wt% or less.
- the weight content (C% by weight) of is 9% to 80% by weight.
- the composition is a weight content (A wt%) of alcohol-based amine contained in the aqueous solution, and a weight content (B wt%) of the alkali metal hydroxide is not less than 25 wt%. Is 10 wt% or more and 30 wt% or less, and the weight content of water (C wt%) is 40 wt% or more and 80 wt% or less. More preferably, the weight content (A wt%) of the alcoholamine contained in the aqueous solution is 5 wt% or more and 10 wt% or less, and the weight content (B wt%) of the alkali metal hydroxide is 10 wt%. % To 20% by weight, and the water content (C% by weight) is 70% to 80% by weight. However, A + B + C does not exceed 100.
- Examples of the alcoholamine contained in the aqueous solution used in the surface treatment include ethanolamine, propanolamine, butanolamine, diethanolamine, dipropanolamine, and the like. .
- alkali metal hydroxide examples include potassium hydroxide, sodium hydroxide, lithium hydroxide, and the like, preferably at least one selected from potassium hydroxide, sodium hydroxide. is there.
- means for treating the surface of the polyimide film with an aqueous solution containing alcoholamine and an alkali metal hydroxide is not particularly limited, but the aqueous solution in which the polyimide film is placed in a Notch tank is not limited.
- the polyimide film can be treated by spraying an aqueous solution with a spray or the like. Also, it can be continuously processed by a roll-to-roll system that can be transported.
- the treatment conditions are not particularly limited! However, if the treatment is carried out at a very high temperature for a long time, the thickness of the polyimide film may decrease, which is not preferable. Therefore, the preferred solution temperature of the aqueous solution is 10 ° C to 9 ° C. The temperature is 0 ° C, more preferably 15 ° C to 85 ° C, and the treatment time is preferably about 0.03 to 10 minutes, more preferably about 0.08 to 5 minutes. In addition, when the temperature of the aqueous solution is low, the reaction may take time, and when treated with an aqueous solution that is too hot, it may be difficult to obtain a smooth surface.
- the surface of the polyimide film Before the surface of the polyimide film is treated with an aqueous solution containing alcoholamine and an alkali metal hydroxide, it may be subjected to a swelling treatment with an alkaline solution.
- the surface treatment of the polyimide film is considered to generate an amide group by hydrolyzing at least a part of the imide group present on the surface of the polyimide film.
- the generated amide group exhibits an anchor effect with the thermoplastic polyimide or thermoplastic polyimide precursor (described later) applied to the polyimide film surface, and further improves the adhesion with the laminated metal layer. It is guessed. However, these mechanisms are not always clear.
- the surface of the polyimide film of the present invention preferably has higher wettability than the surface of the film before the surface treatment.
- High wettability includes a small contact angle of water droplets on the surface.
- the polyimide film of the present invention is preferably not roughened after the surface treatment with an aqueous solution.
- the roughening treatment includes roughening by surface treatment with an aqueous solution followed by treatment with an oxidizing agent (permanganate, chromic acid, etc.).
- the surface of the polyimide film of the present invention is preferably substantially smooth. “Substantially smooth” includes, for example, the fact that there is substantially no unevenness when observed with an SEM.
- the polyimide film surface treatment does not change the thickness of the polyimide film. Not changing the thickness means not changing more than 1 m.
- the polyimide film of the present invention can be used in any application.
- the surface of the film that has been surface-treated has a characteristic of high adhesiveness with the thermoplastic polyimide applied to the surface.
- the polyimide metal laminate of the present invention is provided on the outer side of the polyimide film of the present invention, a thermoplastic polyimide layer containing a thermoplastic polyimide provided on at least one surface of the polyimide film, and the thermoplastic polyimide layer. Including a metal layer. Even if the polyimide metal laminate of the present invention is laminated on only one side as long as a thermoplastic polyimide layer and a metal layer are laminated on the surface-treated surface of the polyimide film, it is laminated on both sides. May be.
- the thermoplastic polyimide layer contained in the polyimide metal laminate of the present invention can be an adhesive layer that enhances the adhesion between the metal layer and the film.
- the thickness of the thermoplastic polyimide layer is not limited and is selected depending on the intended use of the polyimide metal laminate to be produced, but is preferably in the range of 0.5 to LO / z m.
- thermoplastic polyimide layer contained in the polyimide metal laminate of the present invention is a layer made of a resin composition containing a thermoplastic polyimide.
- the resin composition constituting the thermoplastic polyimide layer may contain bismaleimide in addition to the thermoplastic polyimide (bismaleimide will be described later).
- thermoplastic polyimide contained in the thermoplastic polyimide layer a known thermoplastic polyimide obtained by polycondensation reaction of a raw material composition containing a diamine component and a tetracarboxylic dianhydride component can be used. It is.
- the glass transition temperature Tg of the thermoplastic polyimide contained in the thermoplastic polyimide layer is preferably 100 ° C to 300 ° C! /.
- diamine contained in the raw material and composition of the thermoplastic polyimide include 1,3-bis (3-aminophenoxy) benzene, 4,4bis (3-aminophenoxy) biphenyl, 1,3-bis (3- (3-aminophenoxy) phenoxy) benzene, bis (3- (3-aminophenoxy) phenol) ether, bis (3- (3- (3-aminophenoxy) phenoxy) phenol- E) ether, 0-phenylenediamine, p-phenylenediamine, m-phenylenediamine, 4,4 diaminodiphenylenemethane, 3,4'-diaminodiphenylmethane, 3,3'-diaminodiphenylmethane, 4,4'-diaminodiphenyl ether, 3,3'-diaminodiphenyl ether, 3,4'-diaminodiphenyl ether, 4,4'-diaminodiphenyl
- the tetracarboxylic dianhydride contained in the thermoplastic polyimide raw material composition is not particularly limited, and a known compound can be used. Specific examples thereof include 3,3 ', 4,4' -Benzophenone tetracarboxylic dianhydride, pyromellitic dianhydride, 3,3 ', 4,4'-biphenyltetracarboxylic dianhydride, oxy-4,4'-diphthalic dianhydride 2,2-bis [4- (3,4-dicarboxyphenoxy) phenol] propane dianhydride, ethylene glycol bistrimellitic dianhydride, 2,2-bis (3,4 -Dicarboxyphenol) -1, 1, 1,3, 3, 3-hexafluor propane dianhydride, 2,2 ', 3, 3'-benzophenone tetracarboxylic dianhydride, 1, 2-bis (3,4-dicarboxybenzoyl) benzene dianhydride, 1,3-bis (3,
- the thermoplastic polyimide can be produced by a known method. For example, N-methylpyrrolidone (NMP), dimethylformamide (DMF), dimethylacetamide (DMAC), dimethylsulfoxide (DMSO), dimethyl sulfate, sulfolane, butyrolatathone, cresol, phenol, halogenated phenol, cyclohexane
- NMP N-methylpyrrolidone
- DMF dimethylformamide
- DMAC dimethylacetamide
- DMSO dimethylsulfoxide
- cresol cresol
- phenol halogenated phenol
- cyclohexane a solvent such as dioxane, tetrahydrofuran, diglyme, triglyme, etc.
- the tetracarboxylic dianhydride component and the diamine component are mixed at a predetermined ratio to obtain a raw material composition.
- thermoplastic polyimide precursor By reacting the obtained raw material composition within a reaction temperature range of 0 to 100 ° C., a solution of a thermoplastic polyimide precursor is obtained.
- the polyimide precursor is, for example, polyamic acid.
- this solution is heat-treated in a high temperature atmosphere of 200 ° C. to 500 ° C. and imidized to obtain a thermoplastic polyimide solution.
- thermoplastic polyimide precursor or the solution of the thermoplastic polyimide may be referred to as “varnish”.
- the molar ratio of the diamine component to the tetracarboxylic dianhydride component (tetracarboxylic dianhydride component / diamine component) contained in the thermoplastic polyimide raw material composition is from 0.75 to 1.25.
- the range is preferably 0.90 to:
- the range of L 10 is more preferable, and the range of 1.0 to 0.97 is particularly preferable. This is because the reaction can be easily controlled and the heat flowability of the thermoplastic polyimide to be synthesized is good.
- the total content of the diamine component and the tetracarboxylic dianhydride component in the raw material composition of the thermoplastic polyimide precursor solution (or “varnish”) is preferably about 5 to 20% by weight.
- Such an embodiment in which the resin composition constituting the thermoplastic polyimide layer may be further blended with bismaleimide in addition to the thermoplastic polyimide is preferable.
- the bismaleimide can be blended in the varnish.
- the blending amount can be determined according to the concentration of solids contained in the varnish (which can be polyimide, polyamic acid or a mixture thereof).
- the content of bismaleimide in the resin composition is preferably about 5 to 20% by weight in the solid content contained in the varnish.
- bismaleimide compounds include 1,3-bis (3-maleimidophenoxy) benzene, bis (3- (3-maleimidophenoxy) phenol) ether, 1,3-bis (3- (3-maleimidophenoxy) phenoxy) benzene, bis (3- (3- (3-maleimidophenoxy) phenoxy) phenol) ether, 1,3-bis (3- (3- (3- Maleimidophenoxy) Phenoxy) Be ⁇ ⁇ , ⁇ '- ⁇ -phenylene bismaleimide, ⁇ , ⁇ '-m-phenylene bismaleimide, bis (4-maleimidophenol) methane, ⁇ , ⁇ '-4,4'-diphenol -Luether bismaleimide, ⁇ , ⁇ '-3,4'-diphenyl ether bismaleimide, ⁇ , ⁇ '-3,3'-diphenyl ketone bismaleimide, 2,2-bis (4- (4-maleimide) Ph
- the metal layer contained in the polyimide metal laminate of the present invention is disposed outside the thermoplastic polyimide layer.
- “Arranged outside the thermoplastic polyimide layer” includes being disposed in direct contact with the thermoplastic polyimide layer, and disposed via an intermediate layer.
- the “intermediate layer” is, for example, a resin layer, and may be an adhesive layer or a non-adhesive layer.
- the metal layer is preferably arranged in direct contact with the thermoplastic polyimide layer.
- the type of metal constituting the metal layer is not particularly limited, and examples thereof include copper, copper alloy, aluminum, nickel, stainless steel, titanium, and iron. Since the metal layer is etched and becomes an electronic circuit, the metal constituting the metal layer is preferably a metal having high conductivity. From this point of view, the metal layer is preferably a layer having a copper strength.
- the thickness of the metal layer is not particularly limited as long as it can be used in the form of a tape, but 2-150 ⁇ m can be preferably used. More preferably, it is 2 to 105 ⁇ m.
- the metal laminate of the present invention can be produced by any method, but preferably, the above-mentioned surface-treated polyimide film is prepared; a thermoplastic polyimide or thermoplastic is provided on the surface-treated surface of the polyimide film. A resin composition containing a polyimide precursor is applied and dried to form a thermoplastic polyimide layer; and a metal layer is formed on the thermoplastic polyimide layer by thermocompression bonding with a metal foil. Is preferred. [0042] Further, the metal laminate of the present invention is manufactured by forming one or a plurality of intermediate layers on the thermoplastic polyimide layer, and forming a metal layer on the intermediate layer by heat-pressing a metal foil. It may be built.
- thermoplastic polyimide or the thermoplastic polyimide precursor (for example, polyamic acid) is dissolved in a solvent and applied onto the surface-treated surface of the polyimide film.
- a solution of thermoplastic polyimide or thermoplastic polyimide precursor dissolved in a solvent may be referred to as “varnish”.
- a polyimide solution may be used as a varnish.
- the concentration of the thermoplastic polyimide or the thermoplastic polyimide precursor contained in the varnish is preferably 3 to 50% by weight, preferably 10 to 30% by weight, based on the total weight of the varnish as a solution. More preferably.
- the varnish may contain bismaleimide.
- the varnish applied to the polyimide film is dried and cured as necessary. Drying includes removing the solvent contained in the varnish, and curing includes imidizing a polyimide precursor (eg, polyamic acid). Drying and curing of the applied varnish can be performed using a normal heating drying oven.
- the atmosphere in the drying furnace is preferably filled with air, inert gas (nitrogen, argon) or the like.
- As the drying and curing temperature a force range of 60 to 600 ° C, which is appropriately selected depending on the boiling point of the solvent, is preferably used.
- the drying and curing time is appropriately selected depending on the thickness of the thermoplastic polyimide layer to be formed, the concentration of the varnish, and the type of the solvent, but it is desirable that the drying and curing time be about 0.05 to 500 minutes.
- a typical method includes a hot press method and a Z or heat laminating method.
- the heat press method refers to, for example, cutting a polyimide film provided with a thermoplastic polyimide layer and a metal foil in accordance with the size of a press portion of a press machine, and superposing them, followed by thermocompression bonding using a hot press. Is the method.
- the heating temperature is preferably in the temperature range of 150 to 600 ° C.
- the applied pressure is not limited, but is preferably 0.1 to 500 kg / cm 2 . There is no restriction
- the heat laminating method is not particularly limited, but is a method in which a polyimide film provided with a thermoplastic polyimide layer and a metal foil are sandwiched between rolls and bonded together.
- a metal roll, a rubber roll, or the like can be used as the roll.
- steel or stainless steel is used as the metal roll.
- the rubber roll it is preferable to use silicon rubber or fluorine rubber having heat resistance on the surface of the metal roll.
- the laminating temperature is preferably in the temperature range of 100 to 300 ° C.
- a conduction heating method, a far-infrared heating method such as far infrared, an induction heating method, or the like can be used.
- non-thermoplastic polyimide film (Toray DuPont: Kapton ( (Registered trademark) 80EN, thickness: 20 / ⁇ ⁇ ), as shown in Table 1, in an aqueous solution consisting of ethanolamine 65% by weight, potassium hydroxide 16% by weight, water 19% by weight at a temperature of 22 ° C. Then, after immersion for 20 seconds, it was washed with water and dried (this treatment is also referred to as “alkali treatment”).
- a polyimide metal laminate was produced in the same manner as in Example 1 except that the composition of the treatment liquid and the treatment conditions were changed.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/885,455 US20090280339A1 (en) | 2005-04-08 | 2006-04-05 | Polyimide film, polyimide metal laminate using same, and method for manufacturing same |
CN2006800099631A CN101151304B (zh) | 2005-04-08 | 2006-04-05 | 聚酰亚胺膜、使用其的聚酰亚胺金属层叠体及其制造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005112116 | 2005-04-08 | ||
JP2005-112116 | 2005-04-08 |
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WO2006109655A1 true WO2006109655A1 (ja) | 2006-10-19 |
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PCT/JP2006/307247 WO2006109655A1 (ja) | 2005-04-08 | 2006-04-05 | ポリイミドフィルム及びそれを用いたポリイミド金属積層体とその製造方法 |
Country Status (5)
Country | Link |
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US (1) | US20090280339A1 (ja) |
KR (1) | KR100973392B1 (ja) |
CN (1) | CN101151304B (ja) |
TW (1) | TWI334826B (ja) |
WO (1) | WO2006109655A1 (ja) |
Cited By (1)
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JP2020057799A (ja) * | 2014-12-25 | 2020-04-09 | 住友電気工業株式会社 | プリント配線板用基板、プリント配線板、プリント配線板用基板の製造方法、及びプリント配線板の製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101189287B (zh) * | 2005-06-03 | 2011-04-20 | 三井化学株式会社 | 聚酰亚胺薄膜、聚酰亚胺金属叠层体及其制造方法 |
KR101579264B1 (ko) * | 2007-03-20 | 2015-12-21 | 가부시키가이샤 가네카 | 필름 및 플렉서블 금속장 적층판 |
CN101583244B (zh) * | 2008-05-13 | 2011-11-09 | 欣兴电子股份有限公司 | 线路板的制造方法 |
US20110281126A1 (en) * | 2008-12-26 | 2011-11-17 | Mitsuru Nozaki | Resin composite copper foil |
EP2502955A4 (en) | 2009-11-20 | 2013-05-01 | Ube Industries | AROMATIC POLYIMIDE FILM, LAMINATE THEREOF AND SOLAR CELL THEREWITH |
CN105437656A (zh) * | 2010-01-18 | 2016-03-30 | 株式会社钟化 | 多层聚酰亚胺膜及使用有该多层聚酰亚胺膜的柔性金属箔积层板 |
CN102837480B (zh) * | 2012-09-24 | 2015-09-30 | 云南云天化股份有限公司 | 用于挠性覆金属板聚酰亚胺承印膜、其制备方法及挠性覆金属板 |
TWI767436B (zh) * | 2016-02-26 | 2022-06-11 | 日商富士軟片股份有限公司 | 積層體的製造方法、半導體元件的製造方法及再配線層的製造方法 |
CN107629225A (zh) * | 2017-09-07 | 2018-01-26 | 银禧工程塑料(东莞)有限公司 | 一种双面覆铜板用聚酰亚胺复合膜及其制备方法 |
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JP4408277B2 (ja) * | 2003-02-18 | 2010-02-03 | 三井化学株式会社 | ポリイミド金属積層体 |
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2006
- 2006-04-05 US US11/885,455 patent/US20090280339A1/en not_active Abandoned
- 2006-04-05 CN CN2006800099631A patent/CN101151304B/zh not_active Expired - Fee Related
- 2006-04-05 WO PCT/JP2006/307247 patent/WO2006109655A1/ja active Application Filing
- 2006-04-05 KR KR1020077022781A patent/KR100973392B1/ko not_active IP Right Cessation
- 2006-04-07 TW TW95112377A patent/TWI334826B/zh not_active IP Right Cessation
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JPH11293009A (ja) * | 1998-04-06 | 1999-10-26 | Toray Eng Co Ltd | ポリイミド樹脂の表面改質方法 |
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Also Published As
Publication number | Publication date |
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KR20070108942A (ko) | 2007-11-13 |
TW200642833A (en) | 2006-12-16 |
US20090280339A1 (en) | 2009-11-12 |
CN101151304A (zh) | 2008-03-26 |
CN101151304B (zh) | 2012-04-04 |
TWI334826B (en) | 2010-12-21 |
KR100973392B1 (ko) | 2010-07-30 |
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