WO2011021639A1 - ポリイミドフィルムおよびポリイミドフィルムの製造方法 - Google Patents
ポリイミドフィルムおよびポリイミドフィルムの製造方法 Download PDFInfo
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- WO2011021639A1 WO2011021639A1 PCT/JP2010/063925 JP2010063925W WO2011021639A1 WO 2011021639 A1 WO2011021639 A1 WO 2011021639A1 JP 2010063925 W JP2010063925 W JP 2010063925W WO 2011021639 A1 WO2011021639 A1 WO 2011021639A1
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- polyimide film
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- aqueous solution
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- 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
- C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
-
- 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
- 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
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08J7/08—Heat treatment
-
- 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
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- 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
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2079/00—Use of polymers having nitrogen, with or without oxygen or carbon only, in the main chain, not provided for in groups B29K2061/00 - B29K2077/00, as moulding material
- B29K2079/08—PI, i.e. polyimides or derivatives thereof
-
- 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
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- 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
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
Definitions
- the present invention relates to a polyimide film having excellent adhesiveness. Moreover, this invention relates to the manufacturing method of the polyimide film which can improve the adhesiveness of a polyimide film by a simple method.
- Polyimide films are widely used in the fields of electric / electronic devices and semiconductors because they are excellent in heat resistance, chemical resistance, mechanical strength, electrical properties, dimensional stability, and the like.
- a flexible printed wiring board FPC
- a copper-clad laminated board formed by laminating a copper foil on one or both sides of a polyimide film is used.
- polyimide film suitable as an FPC film for example, an aromatic tetracarboxylic acid component containing 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride as a main component and paraphenylenediamine as a main component.
- aromatic tetracarboxylic acid component containing 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride as a main component and paraphenylenediamine as a main component.
- Patent Document 1 a polyimide film produced by thermal imidization from an aromatic diamine component
- polyimide films generally have problems with adhesion, and when bonded to a metal foil such as a copper foil via a heat-resistant adhesive such as an epoxy resin adhesive, a laminate having sufficient peel strength is obtained. It may not be possible.
- Patent Document 2 discloses that a composition containing an organic solvent solution of a polyimide precursor material is casted and then heated, and an imidation ratio is preferably 70% or more. After making the amount of residual volatiles in the pre-film preferably 40% by weight or less, this pre-film is heat-treated at a temperature of 450 ° C. or higher and 630 ° C. or lower, more preferably 520 ° C. or higher and 580 ° C. or lower to produce a polyimide film. A method is disclosed.
- polyimide film is manufactured by using a phenylenediamine, a chemical cure method, or a combination of a chemical cure method and a thermal cure method.
- a polyimide film as a final product manufactured by a conventional method may be heat-treated in a temperature range of 450 ° C. to 630 ° C.
- Alkaline treatment has also been proposed as a method for improving the adhesion of the polyimide film.
- Patent Document 3 as a polyimide film on which a metal foil can be bonded with high adhesion by a polyimide-based adhesive, an alkaline aqueous solution containing a permanganate and a hydroxide such as potassium hydroxide or sodium hydroxide is used.
- a surface-treated polyimide film is disclosed.
- a commercially available non-thermoplastic polyimide film is immersed in an aqueous solution containing potassium permanganate and sodium hydroxide at 75 ° C. for 5 minutes.
- a method of spraying or spraying the alkaline aqueous solution on the polyimide film by spraying or showering is also mentioned.
- Patent Document 4 in order to remove a catalyst compound and a solvent remaining in the film, a film obtained by casting using a solution containing a polyamic acid and a catalyst compound is removed.
- a method for producing a polyimide film is disclosed in which the film is dried after being immersed in water preferably at 5 ° C. to 100 ° C. for 30 minutes to 100 hours.
- An object of the present invention is to provide a polyimide film whose adhesion is further improved by a simple method while maintaining the excellent properties of the polyimide film.
- the present invention relates to the following matters.
- An adhesive-laminated polyimide film obtained by laminating an adhesive layer on a surface treated by spraying water or an alkaline aqueous solution of the polyimide film described in 1 or 2 above.
- a polyamic acid or polyimide obtained by reacting a tetracarboxylic acid component having 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride as a main component with a diamine component having p-phenylenediamine as a main component Casting a solution on a support and drying it to obtain a self-supporting film; Heating the self-supporting film to obtain a polyimide film; Heat treating the obtained polyimide film at 460 ° C. to 550 ° C .; And a step of spraying water or an alkaline aqueous solution onto the surface of the heat-treated polyimide film.
- a polyimide obtained by reacting a tetracarboxylic acid component mainly composed of 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride with a diamine component mainly composed of paraphenylenediamine
- the film is heat-treated at 460 ° C. to 550 ° C., preferably 460 ° C. or more and less than 520 ° C.
- the surface treatment is sprayed on the surface of the heat-treated polyimide film by spraying water or an alkaline aqueous solution. This treatment improves the adhesion of the polyimide film.
- the polyimide film of the present invention is excellent in adhesiveness with an adhesive, and particularly excellent in adhesiveness with an epoxy-based or acrylic adhesive.
- the polyimide film of the present invention is obtained by reacting a tetracarboxylic acid component mainly composed of 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride with a diamine component mainly composed of paraphenylenediamine. It is obtained.
- the polyimide film of the present invention can be produced by thermal imidization and / or chemical imidization.
- a polyamic acid solution or a polyamic acid solution composition in which an imidization catalyst, an organic phosphorus-containing compound, inorganic fine particles, etc. are selected and added to a polyamic acid solution as necessary is cast on a support in the form of a film.
- thermally dehydrating cyclization, removing the solvent to obtain a polyimide film (2) A cyclization catalyst and a dehydrating agent are added to the polyamic acid solution, and the polyamic acid solution composition added by selecting inorganic fine particles and the like as necessary is cast on a support in a film form.
- a method of obtaining a polyimide film by dehydrating and cyclizing and heat-drying as necessary to obtain a self-supporting film, followed by heat desolvation and imidization can be mentioned.
- a tetracarboxylic acid component and a diamine component are reacted in an organic solvent to synthesize a polyamic acid that is a polyimide precursor.
- the obtained polyamic acid solution is cast on a support, heated and dried to produce a self-supporting film.
- a polyimide film can be manufactured by heating and imidating this self-supporting film.
- the tetracarboxylic acid component and the diamine component are reacted in an organic solvent to synthesize a polyimide soluble in the organic solvent, and the obtained polyimide solution can be used for the production of a self-supporting film.
- the polyimide precursor (polyamic acid or polyimide) used in the present invention contains 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride (hereinafter sometimes abbreviated as s-BPDA) as a main component. It is a polyimide precursor produced from a tetracarboxylic acid component to be prepared and a diamine component containing paraphenylenediamine (hereinafter sometimes abbreviated as PPD) as a main component.
- s-BPDA 4,4′-biphenyltetracarboxylic dianhydride
- a tetracarboxylic acid component containing s-BPDA at 50 mol% or more, more preferably 80 mol% or more, particularly preferably 90 mol% or more is preferable, and PPD is 50 mol% or more, more preferably 80 mol%.
- a diamine component containing 90 mol% or more is particularly preferable, and a film excellent in mechanical properties can be easily obtained, and can be suitably used for various substrates such as a wiring substrate.
- tetracarboxylic dianhydrides and diamines can be used as long as the characteristics of the present invention are not impaired.
- tetracarboxylic dianhydrides include pyromellitic dianhydride, 2,3,3 ′, 4′-biphenyltetracarboxylic dianhydride (a-BPDA), oxydiphthalic dianhydride, Diphenylsulfone-3,4,3 ′, 4′-tetracarboxylic dianhydride, bis (3,4-dicarboxyphenyl) sulfide dianhydride, 2,2-bis (3,4-dicarboxyphenyl)- 1,1,1,3,3,3-hexafluoropropane dianhydride, 2,3,3 ′, 4′-benzophenone tetracarboxylic dianhydride, 3,3 ′, 4,4′-benzophenone tetracarboxylic Acid dianhydride, bis (3,4-dicarboxyphenyl) methane dianhydride, 2,2-bis (3,4-dicarboxyphenyl) propane dianhydride,
- an aromatic tetracarboxylic acid such as 2,3,3 ', 4'-diphenylsulfonetetracarboxylic acid. These may be used alone or in combination of two or more.
- the tetracarboxylic dianhydride to be used can be appropriately selected according to desired characteristics.
- diamines include 1) One diamine nucleus diamine such as 1,3-diaminobenzene, 2) 4,4'-diaminodiphenyl ether, 3,4'-diaminodiphenyl ether, 4,4'-diaminodiphenylmethane, 3,3'-dimethyl-4,4'-diaminobiphenyl, 2,2'-dimethyl-4, 4'-diaminobiphenyl, 2,2'-bis (trifluoromethyl) -4,4'-diaminobiphenyl, 3,3'-dimethyl-4,4'-diaminodiphenylmethane, 3,3'-dicarboxy-4 , 4′-diaminodiphenylmethane, 3,3 ′, 5,5′-tetramethyl-4,4′-diaminodiphenylmethane, bis (4-aminophenyl) sulfide, 4,4′-di
- the benzene core of three diamines 4) 3,3′-bis (3-aminophenoxy) biphenyl, 3,3′-bis (4-aminophenoxy) biphenyl, 4,4′-bis (3-aminophenoxy) biphenyl, 4,4′-bis (4-aminophenoxy) biphenyl, 4,4′-bis (4-aminophenoxy) biphenyl, bis [3- (3-aminophenoxy) phenyl] ether, bis [3- (4-aminophenoxy) phenyl] ether, bis [4- (3-aminophenoxy) phenyl] ether, Bis [4- (4-aminophenoxy) phenyl] ether, bis [3- (3-aminophenoxy) phenyl] ketone, bis [3- (4-aminophenoxy) phenyl] ketone, bis [4- (3-amino Phenoxy) phenyl] ketone, bis [4- (4-a
- the synthesis of the polyimide precursor is achieved by random polymerization or block polymerization of approximately equimolar aromatic tetracarboxylic dianhydride and aromatic diamine in an organic solvent. May also be mixed with the reaction conditions was keep two or more polyimide precursors in which either of these two components is excessive, the respective polyimide precursor solution together.
- the polyimide precursor solution thus obtained can be used for the production of a self-supporting film as it is or after removing or adding a solvent if necessary.
- organic solvent for the polyimide precursor solution examples include N-methyl-2-pyrrolidone, N, N-dimethylformamide, N, N-dimethylacetamide, N, N-diethylacetamide and the like. These organic solvents may be used alone or in combination of two or more.
- an imidization catalyst an organic phosphorus-containing compound, inorganic fine particles, and the like may be added to the polyimide precursor solution as long as it is thermal imidization.
- a cyclization catalyst a dehydrating agent, inorganic fine particles, and the like may be added to the polyimide precursor solution as long as it is chemical imidization.
- the imidization catalyst examples include a substituted or unsubstituted nitrogen-containing heterocyclic compound, an N-oxide compound of the nitrogen-containing heterocyclic compound, a substituted or unsubstituted amino acid compound, an aromatic hydrocarbon compound having a hydroxyl group, or an aromatic heterocyclic compound.
- Cyclic compounds such as 1,2-dimethylimidazole, N-methylimidazole, N-benzyl-2-methylimidazole, 2-methylimidazole, 2-ethyl-4-methylimidazole, 5-methylbenzimidazole, etc.
- Benzimidazoles such as alkylimidazole and N-benzyl-2-methylimidazole, isoquinoline, 3,5-dimethylpyridine, 3,4-dimethylpyridine, 2,5-dimethylpyridine, 2,4-dimethylpyridine, 4-n- Substituted pyridines such as propylpyridine It can be used to apply.
- the amount of the imidization catalyst used is preferably about 0.01 to 2 times equivalent, particularly about 0.02 to 1 time equivalent to the amic acid unit of the polyamic acid.
- organic phosphorus-containing compounds examples include monocaproyl phosphate, monooctyl phosphate, monolauryl phosphate, monomyristyl phosphate, monocetyl phosphate, monostearyl phosphate, triethylene glycol monotridecyl Monophosphate of ether, monophosphate of tetraethylene glycol monolauryl ether, monophosphate of diethylene glycol monostearyl ether, dicaproyl phosphate, dioctyl phosphate, dicapryl phosphate, dilauryl phosphate, dimyristyl phosphate, Dicetyl phosphate, distearyl phosphate, diethylene phosphate of tetraethylene glycol mononeopentyl ether, trie Diphosphate of glycol mono tridecyl ether, diphosphate of tetraethyleneglycol monolauryl ether, and phosphoric acid esters such as diphosphate esters of diethylene glycol monostearyl
- amine ammonia, monomethylamine, monoethylamine, monopropylamine, monobutylamine, dimethylamine, diethylamine, dipropylamine, dibutylamine, trimethylamine, triethylamine, tripropylamine, tributylamine, monoethanolamine, diethanolamine, triethanolamine Etc.
- Cyclization catalysts include aliphatic tertiary amines such as trimethylamine and triethylenediamine, aromatic tertiary amines such as dimethylaniline, and heterocyclic tertiary amines such as isoquinoline, pyridine, ⁇ -picoline and ⁇ -picoline. Etc.
- dehydrating agent examples include aliphatic carboxylic acid anhydrides such as acetic anhydride, propionic anhydride, and butyric anhydride, and aromatic carboxylic acid anhydrides such as benzoic anhydride.
- Inorganic fine particles include fine particle titanium dioxide powder, silicon dioxide (silica) powder, magnesium oxide powder, aluminum oxide (alumina) powder, inorganic oxide powder such as zinc oxide powder, fine particle silicon nitride powder, and titanium nitride powder.
- Inorganic nitride powder such as silicon carbide powder, inorganic carbide powder such as silicon carbide powder, and inorganic salt powder such as particulate calcium carbonate powder, calcium sulfate powder, and barium sulfate powder.
- These inorganic fine particles may be used in combination of two or more. In order to uniformly disperse these inorganic fine particles, a means known per se can be applied.
- the self-supporting film of the polyimide precursor solution is a support of the polyimide precursor organic solvent solution as described above or a polyimide precursor solution composition in which an imidization catalyst, an organic phosphorus-containing compound, inorganic fine particles, and the like are added. It is manufactured by heating to such an extent that it is cast onto the substrate and becomes self-supporting (meaning a stage before a normal curing step), for example, can be peeled off from the support.
- the solid content concentration of the polyimide precursor solution used in the present invention is not particularly limited as long as it is in a viscosity range suitable for production, but is usually preferably 10% by mass to 30% by mass, and 15% by mass to 27% by mass. Is more preferable, and 18 to 26% by mass is even more preferable.
- the heating temperature and heating time at the time of preparing the self-supporting film can be appropriately determined.
- the heating may be performed at a temperature of 100 to 180 ° C. for about 1 to 60 minutes.
- the support is not particularly limited as long as it can cast the polyimide precursor solution, but it is preferable to use a smooth base material, for example, a metal drum or belt such as stainless steel.
- the self-supporting film is not particularly limited as long as the solvent is removed and / or imidized to such an extent that it can be peeled off from the support, but in thermal imidization, the loss on heating is 20 to 50. It is preferably in the range of mass%, more preferably in the range of 20 to 50 mass% in weight loss and in the range of 8 to 55% in imidization rate. When the loss on heating of the self-supporting film is 20 to 50% by mass and the imidization ratio is 8 to 55%, the mechanical properties of the self-supporting film are sufficient.
- the heating loss of the self-supporting film and the imidization rate are within the above ranges, it is easy to apply the coupling agent solution neatly when applying the coupling agent solution on the upper surface of the self-supporting film.
- the occurrence of foaming, cracks, crazes, cracks, cracks, etc. is not observed in the polyimide film obtained after imidization.
- the loss on heating of the self-supporting film is a value obtained by the following formula from the mass W1 of the self-supporting film and the mass W2 of the film after curing.
- Heat loss (mass%) ⁇ (W1-W2) / W1 ⁇ ⁇ 100
- the imidation ratio of the self-supporting film is calculated by measuring the IR spectrum of the self-supporting film and its full-cure product (polyimide film) by the ATR method, and using the ratio of the vibration band peak area or height. be able to.
- As the vibration band peak an asymmetric stretching vibration band of an imide carbonyl group, a benzene ring skeleton stretching vibration band, or the like is used.
- As for imidation rate measurement there is also a method using a Karl Fischer moisture meter described in JP-A-9-316199.
- a solution of a surface treatment agent such as a coupling agent or a chelating agent may be applied to one side or both sides of the self-supporting film thus obtained, if necessary.
- various coupling agents such as silane coupling agents, borane coupling agents, aluminum coupling agents, aluminum chelating agents, titanate coupling agents, iron coupling agents, copper coupling agents, and chelating agents.
- a treatment agent that improves adhesiveness and adhesion of the agent.
- a coupling agent such as a silane coupling agent as the surface treatment agent.
- silane coupling agents include epoxy silanes such as ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -glycidoxypropyldiethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane, and vinyltrichloro.
- Silane vinyltris ( ⁇ -methoxyethoxy) silane, vinyltriethoxysilane, vinyltrimethoxysilane and other vinylsilanes, ⁇ -methacryloxypropyltrimethoxysilane and other acrylic silanes, N- ⁇ - (aminoethyl) - ⁇ - Aminosilanes such as aminopropyltrimethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropylmethyldimethoxysilane, ⁇ -aminopropyltriethoxysilane, N-phenyl- ⁇ -aminopropyltrimethoxysilane, ⁇ -mercapto Propyltri Tokishishiran, .gamma.-chloropropyl trimethoxy silane and the like.
- N- ⁇ - (aminoethyl) - ⁇ - Aminosilanes such as aminopropyltrimethoxysilane, N
- titanate coupling agents include isopropyl triisostearoyl titanate, isopropyl tridecylbenzenesulfonyl titanate, isopropyl tris (dioctylpyrophosphate) titanate, tetraisopropylbis (dioctyl phosphite) titanate, tetra (2,2-diallyloxy) Methyl-1-butyl) bis (di-tridecyl) phosphite titanate, bis (dioctylpyrophosphate) oxyacetate titanate, bis (dioctylpyrophosphate) ethylene titanate, isopropyltrioctanoyl titanate, isopropyltricumylphenyl titanate, etc. .
- silane coupling agents especially ⁇ -aminopropyl-triethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyl-triethoxysilane, N- (aminocarbonyl) - ⁇ -aminopropyl
- silane coupling agents especially ⁇ -aminopropyl-triethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyl-triethoxysilane, N- (aminocarbonyl) - ⁇ -aminopropyl
- aminosilane coupling agents are preferred, and N-phenyl- ⁇ -aminopropyltrimethoxysilane is particularly preferred.
- the solvent for the solution of the surface treatment agent such as a coupling agent and a chelating agent
- examples of the solvent for the solution of the surface treatment agent such as a coupling agent and a chelating agent include the same solvents as the organic solvent for the polyimide precursor solution (the solvent contained in the self-supporting film).
- the organic solvent is preferably a solvent that is compatible with the polyimide precursor solution, and is preferably the same as the organic solvent of the polyimide precursor solution.
- the organic solvent may be a mixture of two or more.
- the organic solvent solution of the surface treatment agent such as a coupling agent or a chelating agent has a surface treatment agent content of 0.5% by mass or more, more preferably 1 to 100% by mass, particularly preferably 3 to 60% by mass, A content of 5 to 55% by mass is preferable.
- the water content is preferably 20% by mass or less, more preferably 10% by mass or less, and particularly preferably 5% by mass or less.
- the rotational viscosity (solution viscosity measured with a rotational viscometer at a measurement temperature of 25 ° C.) of the organic solvent solution of the surface treatment agent is preferably 10 to 50000 centipoise.
- the surface treatment agent is particularly uniformly dissolved in the amide solvent at a concentration of 0.5% by mass or more, particularly preferably 1 to 60% by mass, and more preferably 3 to 55% by mass. Those having a low viscosity (especially a rotational viscosity of 10 to 5000 centipoise) are preferred.
- the coating amount of the surface treating agent solution can be appropriately determined. For example, 1 to 50 g / m 2 is preferable, 2 to 30 g / m 2 is more preferable, and 3 to 20 g / m 2 is particularly preferable.
- the amount applied may be the same on both sides or different.
- the surface treatment agent solution can be applied by a known method, for example, gravure coating method, spin coating method, silk screen method, dip coating method, spray coating method, bar coating method, knife coating method, roll coating method. And publicly known coating methods such as blade coating and die coating.
- a self-supporting film coated with a surface treating agent solution is then heated and imidized as necessary to obtain a polyimide film. Then, the obtained polyimide film is heat-treated at 460 ° C. to 550 ° C. (hereinafter referred to as additional heat treatment).
- the imidation of the polymer and the evaporation / removal of the solvent are gradually performed at a temperature of about 100 ° C. to 400 ° C. for about 0.05 to 5 hours, particularly 0.1 to 3 hours.
- the heat treatment is stepwise first heat treated at a relatively low temperature of about 100 ° C. to about 170 ° C. for about 0.5-30 minutes, and then at a temperature of 170 ° C.-220 ° C. for about 0.5 ° C. It is preferable that the second heat treatment is performed for ⁇ 30 minutes, and then the third heat treatment is performed at a high temperature of 220 ° C. to 400 ° C. for about 0.5 to 30 minutes. If necessary, the fourth high-temperature heat treatment may be performed at a high temperature of 400 ° C. to 550 ° C.
- pin ends, clips, frames, etc. are used to fix at least the edges in the direction perpendicular to the longitudinal direction of the long solid film, that is, the width direction of the film, It is preferable to perform heat treatment by expanding and contracting in the width direction as necessary.
- a polyimide film can be produced by a method in which chemical imidization or thermal imidization and chemical imidization are used in addition to thermal imidization.
- the chemical imidization may be performed according to a known method.
- imidization can be performed using a dehydrating agent such as acetic anhydride and a catalyst such as pyridine, ⁇ -picoline, ⁇ -picoline, and isoquinoline.
- the polyimide film thus obtained is subjected to heat treatment (additional heat treatment) at 460 ° C. to 550 ° C., preferably 460 ° C. or more and less than 520 ° C.
- the heating temperature in the additional heat treatment is in the range of 460 ° C. to 550 ° C., and can be appropriately selected according to the polyimide composition, the film thickness, and the like.
- the heating temperature is preferably 470 ° C. or higher, more preferably 480 ° C. or higher, further preferably 490 ° C. or higher, and particularly preferably 500 ° C. or higher.
- the heating temperature is more preferably less than 520 ° C. When the heating temperature is less than 460 ° C., the adhesion of the resulting polyimide film may not be improved. On the other hand, if the heating temperature is 550 ° C. or higher, the physical properties of the resulting polyimide film may deteriorate.
- the heating temperature may not be constant.
- the additional heat treatment time (time for heating at 460 ° C. to 550 ° C.) can be appropriately selected according to the purpose, but is preferably 5 seconds to 30 minutes, more preferably 10 seconds to 10 minutes, and still more preferably 20 Seconds to 5 minutes. If the additional heat treatment time is too short, the adhesion of the resulting polyimide film may not be improved, and if the additional heat treatment time is too long, the physical properties of the resulting polyimide film may deteriorate.
- the heat treatment can be performed batchwise or continuously. Further, the additional heat treatment can be performed by fixing the film with a pin tenter, a clip, a frame or the like.
- water or an alkaline aqueous solution is sprayed on one or both sides of the obtained polyimide film to perform surface treatment.
- the alkaline aqueous solution is not particularly limited, but is an aqueous solution of an alkali metal or alkaline earth metal hydroxide such as sodium hydroxide or potassium hydroxide, or an alkali metal or alkaline earth metal carbonate such as sodium carbonate or potassium carbonate. And an aqueous solution of an alkali metal or alkaline earth metal hydrogen carbonate such as sodium hydrogen carbonate or potassium hydrogen carbonate.
- an alkali metal or alkaline earth metal hydrogen carbonate such as sodium hydrogen carbonate or potassium hydrogen carbonate.
- sodium hydroxide aqueous solution, sodium carbonate aqueous solution, and sodium hydrogen carbonate aqueous solution can be used suitably.
- These metal hydroxides and metal salts may be used alone or in combination of two or more.
- An aqueous solution of an organic base can also be used.
- the concentration of the alkaline aqueous solution may be 0% by mass or more, preferably 0.1 to 50% by mass, preferably 0.2 to 10% by mass. Is more preferable, and 0.3 to 5% by mass is particularly preferable.
- concentration of the alkaline aqueous solution is 0.1% by mass or more, the adhesion of the obtained polyimide film is significantly improved.
- concentration of the alkaline aqueous solution exceeds 50% by mass, the properties of the resulting polyimide film may be lowered.
- the alkaline aqueous solution may contain other components as long as the desired effect is not impaired.
- the temperature of the sprayed water or alkaline aqueous solution is not particularly limited, but is preferably 5 to 80 ° C, more preferably 10 to 60 ° C, and particularly preferably 15 to 50 ° C.
- the temperature of water or alkaline aqueous solution is lower than 5 degreeC, the adhesiveness of the polyimide film obtained may not improve.
- the temperature of water or alkaline aqueous solution is higher than 80 degreeC, the physical property of the polyimide film obtained may fall.
- the time for spraying water or an aqueous alkaline solution can be appropriately selected according to the purpose.
- the optimum range also depends on the temperature and concentration of water or alkaline aqueous solution.
- the spray treatment time is preferably from 1 second to 5 minutes, more preferably from 2 seconds to 3 minutes, and particularly preferably from 2 seconds to 2 minutes. If the spray treatment time is too short, the adhesion of the resulting polyimide film may not be improved, and if the spray treatment time is too long, the physical properties of the resulting polyimide film may deteriorate.
- Water or an alkaline aqueous solution can be sprayed from the spray nozzle and sprayed onto the polyimide film surface, for example.
- a flat type As the spray nozzle, a flat type, a uniform flat type, a solid type, a full cone type, a hollow cone type, a fine spray type, and the like can be used.
- the spray pressure can be appropriately selected according to the purpose, but is usually preferably 0.03 to 25 MPa, more preferably 0.05 to 10 MPa, and particularly preferably 0.1 to 1 MPa. If the spray pressure is too weak, the adhesion of the resulting polyimide film may not be improved, and if the spray pressure is too strong, the polyimide film may be torn.
- the distance between the spray nozzle and the film can be appropriately selected according to the purpose, and can be preferably processed in the range of 1 to 50 cm, for example.
- the nozzle is arranged so that one or plural nozzles, preferably the entire film surface can be processed uniformly.
- one side of the polyimide film may be sprayed with water or an alkaline aqueous solution, or both sides may be sprayed with water or an alkaline aqueous solution.
- both surfaces can be processed simultaneously or one surface can be processed at a time.
- both surfaces of the polyimide film may be sprayed with the same liquid (water or alkaline aqueous solution) or may be treated with different ones.
- the polyimide film surface When the polyimide film surface is treated with water, the polyimide film can be dried as it is after the treatment.
- the polyimide film surface When the polyimide film surface is treated with an alkaline aqueous solution, the polyimide film is usually dried after further treatment with water, acid and water in order to remove metal ions remaining in the film or on the surface. If metal ions remain, the electrical insulation properties may deteriorate.
- the water washing, pickling and water washing can be carried out in the same manner as the spray treatment with water or an alkaline aqueous solution.
- Examples of the acid used for pickling include dilute sulfuric acid and dilute hydrochloric acid.
- the acid concentration, temperature, and treatment time can be appropriately selected according to the purpose.
- the acid concentration is 0.5 to 5% by mass
- the temperature is 5 to 60 ° C.
- the treatment time is 1 second to 5 minutes. Can be preferably performed.
- Alkaline aqueous solution, water, acid, water spray treatment can be carried out batchwise or continuously.
- a single piece of polyimide film is fixed to a resin frame or the like, or a continuous process is carried out by transporting through a spray tank in which long polyimide films are continuously arranged in a roll-to-roll manner. be able to.
- a drying tank after the final washing tank and perform continuous treatment until drying.
- the polyimide film surface when the polyimide film surface is treated with water, it can be continuously treated from water spraying to drying.
- the polyimide film can be dried using a hot air furnace or a heater.
- the surface treatment of the polyimide film using water has fewer steps and is excellent in productivity.
- the thickness of the polyimide film of the present invention is not particularly limited, but is about 3 to 250 ⁇ m, preferably about 4 to 150 ⁇ m, more preferably about 5 to 125 ⁇ m, and still more preferably about 5 to 100 ⁇ m.
- a thin polyimide film having a thickness of 12.5 ⁇ m or less usually has a problem of low adhesion, but according to the present invention, the thickness is 12.5 ⁇ m or less, preferably 10 ⁇ m or less, more preferably 8 ⁇ m or less, More preferably, a polyimide film having excellent adhesion can be obtained even at 7 ⁇ m or less, particularly preferably at 6 ⁇ m or less.
- the polyimide film of the present invention thus obtained has good adhesiveness, particularly adhesion with an adhesive, without using a coupling agent in the production of the polyimide film. After heat treatment, for example, at 150 ° C. Even after the heat treatment for 24 hours, it has high adhesiveness.
- the polyimide film of the present invention has, for example, an initial 90 degree peel strength with a coverlay (before heat treatment) and after a heat test at 150 ° C. for 24 hours without using a coupling agent in the production of the polyimide film. Excellent adhesiveness of 3 N / mm or more, further 0.4 N / mm or more.
- an epoxy adhesive or an acrylic adhesive is generally laminated in a semi-cured state on a polyimide film or a polyethylene terephthalate film.
- a coverlay an epoxy adhesive or an acrylic adhesive is generally laminated in a semi-cured state on a polyimide film or a polyethylene terephthalate film.
- Nikaflex CTSV series product name
- Nikaflex CISV series product name
- Nikaflex CISA series product name
- Nikaflex CKSE series product name
- Nikaflex CISG Leeds product name
- NIKAFLEX CKSG series product name
- Taiflex Scientific co. , Ltd. examples include “FHK series (product name), FD series (product name), FI series (product name)”.
- polyimide film of the present invention it is possible to obtain a (laminated) polyimide film with an adhesive, a photosensitive material, a thermocompression bonding material, or the like.
- the polyimide film obtained by the present invention has good adhesion, sputtering and metal vapor deposition, and adheres metal foil such as copper foil using an adhesive, or copper by metalizing methods such as sputtering and metal vapor deposition.
- metal layer such as a layer
- a metal laminated polyimide film such as a copper laminated polyimide film having excellent adhesion and sufficient peel strength can be obtained.
- a metal foil laminated polyimide film can be obtained by laminating a metal foil such as a copper foil on a polyimide film obtained according to the present invention using a thermocompression-bondable polymer such as a thermocompression bonding polyimide.
- the metal layer can be laminated according to a known method.
- the thickness of the copper layer of the copper laminated polyimide film can be appropriately selected according to the purpose of use, but is preferably about 1 ⁇ m to 50 ⁇ m, and more preferably about 2 ⁇ m to 20 ⁇ m.
- the type and thickness of the metal may be appropriately selected depending on the application to be used.
- rolled copper foil, electrolytic copper foil, copper alloy foil, aluminum foil, stainless steel foil , Titanium foil, iron foil, nickel foil and the like and the thickness is preferably about 1 ⁇ m to 50 ⁇ m, and more preferably about 2 ⁇ m to 20 ⁇ m.
- the polyimide film obtained by the present invention and another resin film, a metal such as copper, or a chip member such as an IC chip can be bonded using an adhesive.
- known adhesives can be used depending on the application, such as those excellent in insulation and adhesion reliability, or those excellent in conductivity and adhesion reliability by pressure bonding such as ACF.
- Thermoplastic adhesives And thermosetting adhesives are examples of thermosetting adhesives.
- the adhesive examples include polyimide-based, polyamide-based, polyimide-amide-based, acrylic-based, epoxy-based, urethane-based adhesives, and adhesives including two or more of these, particularly acrylic-based and epoxy-based adhesives. It is preferable to use a urethane-based or polyimide-based adhesive.
- the metallizing method is a method of providing a metal layer different from metal plating or metal foil lamination, and a known method such as vacuum deposition, sputtering, ion plating, or electron beam can be used.
- Metals used in the metalizing method include metals such as copper, nickel, chromium, manganese, aluminum, iron, molybdenum, cobalt, tungsten, vanadium, titanium, tantalum, or alloys thereof, or oxides or metals of these metals.
- Metal compounds such as carbides can be used, but are not particularly limited to these materials.
- the thickness of the metal layer formed by the metalizing method can be appropriately selected according to the purpose of use, and the range of preferably 1 nm to 500 nm, more preferably 5 nm to 200 nm is preferable for practical use.
- the number of metal layers formed by the metalizing method can be appropriately selected according to the purpose of use, and may be one layer, two layers, or three or more layers.
- the metal laminated polyimide film obtained by the metalizing method can be provided with a metal plating layer such as copper or tin on the surface of the metal layer by a known wet plating method such as electrolytic plating or electroless plating.
- the film thickness of the metal plating layer such as copper plating is preferably in the range of 1 ⁇ m to 40 ⁇ m because it is suitable for practical use.
- the 90 degree peel strength is 0.3 N / mm or more, even 0.4 N / mm or more, particularly 0.5 N / mm, even if no coupling agent is used in the production of the polyimide film.
- the copper laminated polyimide film as described above can be obtained.
- the polyimide film of the present invention is made of an insulating substrate material such as FPC, TAB, COF or a metal wiring base material, a cover base material such as a metal wiring or a chip member such as an IC chip, a liquid crystal display, an organic electroluminescence display, an electronic paper, a solar It can be suitably used as a base substrate for batteries and the like.
- the linear expansion coefficient of the polyimide film is close to the linear expansion coefficient of copper
- both MD and TD are 10 to 40 ppm / ° C., It is more preferably 11 to 30 ppm / ° C., and further preferably 12 to 25 ppm / ° C.
- the polyimide film whose linear expansion coefficient is close to the linear expansion coefficient of copper is obtained.
- the linear expansion coefficient of the polyimide film is preferably close to the linear expansion coefficient of glass or silicon.
- a polyimide film having a linear expansion coefficient of 0 to 10 ppm / ° C. can also be obtained.
- the measurement of the adhesive strength of the polyimide film coverlay was performed according to the following method.
- coverlay CVA0525KA manufactured by Arisawa Manufacturing Co., Ltd. was pressed and bonded at 180 ° C. and 3 MPa for 30 minutes. And 90 degree peel strength was measured with the peeling rate of 50 mm / min, and it was set as initial stage adhesive strength.
- the coverlay After bonding the coverlay, it was treated in a hot air dryer at 150 ° C. for 24 hours, and the 90 ° peel strength was measured in the same manner as the post-heat-resistant adhesive strength.
- the surface on the air side when the polyimide precursor solution was cast on the metal support during the production of the polyimide film was the A surface
- the surface on the metal support side was the B surface
- Production Example 2 The same as in Production Example 1 except that the maximum heating temperature in the continuous heating furnace was 480 ° C. and the amount of 1,2-dimethylimidazole added to the polyamic acid solution composition was 0.15 equivalents relative to the amic acid unit. Thus, a long polyimide film (PI-2) having an average film thickness of 5 ⁇ m was produced. The heat loss of the self-supporting film obtained here was 27.7% by mass, and the imidization ratio was 17.9% on the A side and 29.3% on the B side.
- PI-2 polyimide film having an average film thickness of 5 ⁇ m
- Example 1 The four sides of the polyimide film (PI-1) obtained in Production Example 1 were held with a clip on a metal frame and subjected to additional heat treatment in a heating furnace at 500 ° C. for 2 minutes. Next, the four sides of this film are fixed to a resin frame using an adhesive tape, and a 1.7% by mass sodium hydroxide aqueous solution tank, a recovery water tank, a 5% sulfuric acid tank, a recovery water tank, a recovery water tank, a pure water tank, Spraying and drying were performed by a continuous device consisting of a drying tank.
- a 1.7 mass% sodium hydroxide aqueous solution is sprayed from a full cone spray nozzle at a liquid temperature of 40 ° C. and a spray pressure of 0.2 MPa, and in other tanks, recovered water, pure water or 5% sulfuric acid.
- the residence time (spray treatment time) in the sodium hydroxide aqueous solution tank was 30 seconds.
- the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 3 Spray treatment / drying was performed in the same manner as in Example 1 except that the polyimide film (PI-1) obtained in Production Example 1 was not subjected to additional heat treatment at 500 ° C. for 2 minutes. And the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 2 The four sides of the polyimide film (PI-1) obtained in Production Example 1 were held with a clip on a metal frame and subjected to additional heat treatment in a heating furnace at 500 ° C. for 2 minutes. Next, the four sides of the film are fixed to a resin frame with an adhesive tape, and sprayed by a continuous device comprising a 0.44 mass% sodium carbonate aqueous solution tank, a recovery water tank, a recovery water tank, a pure water tank, and a drying tank. -Dried. In the sodium carbonate aqueous solution tank, 0.44 mass% sodium carbonate aqueous solution is sprayed from the full cone spray nozzle at a liquid temperature of 30 ° C.
- the polyimide film was dried at 50 ° C. in a drying tank.
- the residence time (spray treatment time) of the sodium carbonate aqueous solution tank was 13.5 seconds.
- the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 5 Spray treatment / drying was performed in the same manner as in Example 2 except that the polyimide film (PI-1) obtained in Production Example 1 was not subjected to additional heat treatment at 500 ° C. for 2 minutes. And the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 3 The four sides of the polyimide film (PI-1) obtained in Production Example 1 were held with a clip on a metal frame and subjected to additional heat treatment in a heating furnace at 500 ° C. for 2 minutes. Next, the four sides of the film were fixed to a resin frame using an adhesive tape, and spray treatment / drying was performed by a continuous device including a pure water tank and a drying tank. In the pure water tank, pure water was sprayed from the flat spray nozzle at room temperature and 0.1 MPa, and in the drying tank, the polyimide film was dried at 50 ° C. The residence time (spray treatment time) in the pure water tank was 6 seconds. And the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 6 Spray treatment / drying was carried out in the same manner as in Example 3 except that the polyimide film (PI-1) obtained in Production Example 1 was not subjected to additional heating treatment at 500 ° C. for 2 minutes. And the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 4 The polyimide film (PI-2) obtained in Production Example 2 was subjected to additional heat treatment at 500 ° C. for 2 minutes in the same manner as in Example 1, and then sprayed with a 1.7 mass% sodium hydroxide aqueous solution for 30 seconds. Spray treatment including treatment and drying were performed. And the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 8 Spray treatment / drying was performed in the same manner as in Example 4 except that the polyimide film (PI-2) obtained in Production Example 2 was not subjected to additional heat treatment. And the coverlay adhesive strength of the obtained polyimide film was measured. The results are shown in Table 1.
- Example 3 and Comparative Example 1 both the initial adhesive strength and the adhesive strength after the heat resistance test are increased even after the additional heat treatment at 480 ° C. or higher and then the spray treatment with pure water.
- the initial adhesive strength may be increased when spraying with an aqueous sodium hydroxide solution, an aqueous sodium carbonate solution or pure water without additional heat treatment.
- the adhesive strength after the heat test is low.
- the adhesiveness of the polyimide film obtained from can be improved by a simple method.
- the polyimide film of the present invention has excellent adhesion, insulating substrate materials such as FPC, TAB, COF or metal wiring base materials, cover base materials such as metal wiring and chip members such as IC chips, liquid crystal displays, organic electroluminescence. It can be suitably used as a base material for displays, electronic paper, solar cells and the like.
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Abstract
Description
460℃~550℃の温度範囲で熱処理されており、さらに
表面に水またはアルカリ性水溶液を吹き付けることによって表面処理されていることを特徴とするポリイミドフィルム。
この自己支持性フィルムを加熱してポリイミドフィルムを得る工程と、
得られたポリイミドフィルムを460℃~550℃で熱処理する工程と、
熱処理したポリイミドフィルムの表面に水またはアルカリ性水溶液を吹き付ける工程と
を有するポリイミドフィルムの製造方法。
(1)ポリアミック酸溶液、またはポリアミック酸溶液に必要に応じてイミド化触媒、有機リン含有化合物、無機微粒子などを選択して加えたポリアミック酸溶液組成物をフィルム状に支持体上に流延し、加熱乾燥して自己支持性フィルムを得た後、熱的に脱水環化、脱溶媒させてポリイミドフィルムを得る方法、
(2)ポリアミック酸溶液に環化触媒及び脱水剤を加え、さらに必要に応じて無機微粒子などを選択して加えたポリアミック酸溶液組成物をフィルム状に支持体上に流延し、化学的に脱水環化させて、必要に応じて加熱乾燥して自己支持性フィルムを得た後、これを加熱脱溶媒、イミド化することによりポリイミドフィルムを得る方法
が挙げられる。
1)1,3-ジアミノベンゼンなどのベンゼン核1つのジアミン、
2)4,4’-ジアミノジフェニルエーテル、3,4’-ジアミノジフェニルエーテル、4,4’-ジアミノジフェニルメタン、3,3’-ジメチル-4,4’-ジアミノビフェニル、2,2’-ジメチル-4,4’-ジアミノビフェニル、2,2’-ビス(トリフルオロメチル)-4,4’-ジアミノビフェニル、3,3’-ジメチル-4,4’-ジアミノジフェニルメタン、3,3’-ジカルボキシ-4,4’-ジアミノジフェニルメタン、3,3’,5,5’-テトラメチル-4,4’-ジアミノジフェニルメタン、ビス(4-アミノフェニル)スルフィド、4,4’-ジアミノベンズアニリド、3,3’-ジクロロベンジジン、3,3’-ジメチルベンジジン、2,2’-ジメチルベンジジン、3,3’-ジメトキシベンジジン、2,2’-ジメトキシベンジジン、3,3’-ジアミノジフェニルエーテル、3,4’-ジアミノジフェニルエーテル、4,4’-ジアミノジフェニルエーテル、3,3’-ジアミノジフェニルスルフィド、3,4’-ジアミノジフェニルスルフィド、4,4’-ジアミノジフェニルスルフィド、3,3’-ジアミノジフェニルスルホン、3,4’-ジアミノジフェニルスルホン、4,4’-ジアミノジフェニルスルホン、3,3’-ジアミノベンゾフェノン、3,3’-ジアミノ-4,4’-ジクロロベンゾフェノン、3,3’-ジアミノ-4,4’-ジメトキシベンゾフェノン、3,3’-ジアミノジフェニルメタン、3,4’-ジアミノジフェニルメタン、4,4’-ジアミノジフェニルメタン、2,2-ビス(3-アミノフェニル)プロパン、2,2-ビス(4-アミノフェニル)プロパン、2,2-ビス(3-アミノフェニル)-1,1,1,3,3,3-ヘキサフルオロプロパン、2,2-ビス(4-アミノフェニル)-1,1,1,3,3,3-ヘキサフルオロプロパン、3,3’-ジアミノジフェニルスルホキシド、3,4’-ジアミノジフェニルスルホキシド、4,4’-ジアミノジフェニルスルホキシドなどのベンゼン核2つのジアミン、
3)1,3-ビス(3-アミノフェニル)ベンゼン、1,3-ビス(4-アミノフェニル)ベンゼン、1,4-ビス(3-アミノフェニル)ベンゼン、1,4-ビス(4-アミノフェニル)ベンゼン、1,3-ビス(4-アミノフェノキシ)ベンゼン、1,4-ビス(3-アミノフェノキシ)ベンゼン、1,4-ビス(4-アミノフェノキシ)ベンゼン、1,3-ビス(3-アミノフェノキシ)-4-トリフルオロメチルベンゼン、3,3’-ジアミノ-4-(4-フェニル)フェノキシベンゾフェノン、3,3’-ジアミノ-4,4’-ジ(4-フェニルフェノキシ)ベンゾフェノン、1,3-ビス(3-アミノフェニルスルフィド)ベンゼン、1,3-ビス(4-アミノフェニルスルフィド)ベンゼン、1,4-ビス(4-アミノフェニルスルフィド)ベンゼン、1,3-ビス(3-アミノフェニルスルホン)ベンゼン、1,3-ビス(4-アミノフェニルスルホン)ベンゼン、1,4-ビス(4-アミノフェニルスルホン)ベンゼン、1,3-ビス〔2-(4-アミノフェニル)イソプロピル〕ベンゼン、1,4-ビス〔2-(3-アミノフェニル)イソプロピル〕ベンゼン、1,4-ビス〔2-(4-アミノフェニル)イソプロピル〕ベンゼンなどのベンゼン核3つのジアミン、
4)3,3’-ビス(3-アミノフェノキシ)ビフェニル、3,3’-ビス(4-アミノフェノキシ)ビフェニル、4,4’-ビス(3-アミノフェノキシ)ビフェニル、4,4’-ビス(4-アミノフェノキシ)ビフェニル、ビス〔3-(3-アミノフェノキシ)フェニル〕エーテル、ビス〔3-(4-アミノフェノキシ)フェニル〕エーテル、ビス〔4-(3-アミノフェノキシ)フェニル〕エーテル、ビス〔4-(4-アミノフェノキシ)フェニル〕エーテル、ビス〔3-(3-アミノフェノキシ)フェニル〕ケトン、ビス〔3-(4-アミノフェノキシ)フェニル〕ケトン、ビス〔4-(3-アミノフェノキシ)フェニル〕ケトン、ビス〔4-(4-アミノフェノキシ)フェニル〕ケトン、ビス〔3-(3-アミノフェノキシ)フェニル〕スルフィド、ビス〔3-(4-アミノフェノキシ)フェニル〕スルフィド、ビス〔4-(3-アミノフェノキシ)フェニル〕スルフィド、ビス〔4-(4-アミノフェノキシ)フェニル〕スルフィド、ビス〔3-(3-アミノフェノキシ)フェニル〕スルホン、ビス〔3-(4-アミノフェノキシ)フェニル〕スルホン、ビス〔4-(3-アミノフェノキシ)フェニル〕スルホン、ビス〔4-(4-アミノフェノキシ)フェニル〕スルホン、ビス〔3-(3-アミノフェノキシ)フェニル〕メタン、ビス〔3-(4-アミノフェノキシ)フェニル〕メタン、ビス〔4-(3-アミノフェノキシ)フェニル〕メタン、ビス〔4-(4-アミノフェノキシ)フェニル〕メタン、2,2-ビス〔3-(3-アミノフェノキシ)フェニル〕プロパン、2,2-ビス〔3-(4-アミノフェノキシ)フェニル〕プロパン、2,2-ビス〔4-(3-アミノフェノキシ)フェニル〕プロパン、2,2-ビス〔4-(4-アミノフェノキシ)フェニル〕プロパン、2,2-ビス〔3-(3-アミノフェノキシ)フェニル〕-1,1,1,3,3,3-ヘキサフルオロプロパン、2,2-ビス〔3-(4-アミノフェノキシ)フェニル〕-1,1,1,3,3,3-ヘキサフルオロプロパン、2,2-ビス〔4-(3-アミノフェノキシ)フェニル〕-1,1,1,3,3,3-ヘキサフルオロプロパン、2,2-ビス〔4-(4-アミノフェノキシ)フェニル〕-1,1,1,3,3,3-ヘキサフルオロプロパンなどのベンゼン核4つのジアミン、
などを挙げることができる。これらは単独でも、2種以上を混合して用いることもできる。用いるジアミンは、所望の特性などに応じて適宜選択することができる。
重合槽に所定量のN,N-ジメチルアセトアミド、パラフェニレンジアミン(PPD)を加えた後、40℃で撹拌しながら、3,3’,4,4’-ビフェニルテトラカルボン酸二無水物(s-BPDA)をPPDと略等モルまで段階的に添加して反応させ、固形分濃度が18質量%であるポリアミック酸溶液(ポリイミド前駆体溶液)を得た。そして、このポリアミック酸溶液に、ポリアミック酸100質量部に対して0.25質量部の割合でモノステアリルリン酸エステルトリエタノールアミン塩および0.3質量部の割合でコロイダルシリカを添加し、均一に混合した。得られたポリアミック酸溶液組成物の30℃における回転粘度は180Pa・sであった。
連続加熱炉における最高加熱温度を480℃とし、ポリアミック酸溶液組成物に添加する1,2-ジメチルイミダゾールの添加量をアミド酸単位に対して0.15当量とした以外は、製造例1と同様にして、平均膜厚が5μmの長尺状ポリイミドフィルム(PI-2)を製造した。ここで得られた自己支持性フィルムの加熱減量は27.7質量%で、イミド化率はA面側が17.9%、B面側が29.3%であった。
製造例1で得られたポリイミドフィルム(PI-1)のカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)の四辺を金属製の枠にクリップを用いて把持し、500℃の加熱炉内で2分間、追加加熱処理した。そして、このポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)の四辺を金属製の枠にクリップを用いて把持し、500℃の加熱炉内で2分間、追加加熱処理した。次に、このフィルムの四辺を樹脂製の枠に粘着テープを用いて固定し、1.7質量%の水酸化ナトリウム水溶液槽、回収水槽、5%硫酸槽、回収水槽、回収水槽、純水槽、乾燥槽からなる連続装置によりスプレー処理・乾燥を行った。水酸化ナトリウム水溶液槽では、1.7質量%水酸化ナトリウム水溶液がフルコーン型スプレーノズルから液温40℃、スプレー圧0.2MPaで噴射され、その他の槽では、回収水、純水または5%硫酸がフラット型ノズルから室温、0.1MPaで噴射されるようにし、乾燥槽では、50℃でポリイミドフィルムを乾燥させた。水酸化ナトリウム水溶液槽の滞留時間(スプレー処理時間)は30秒とした。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)に500℃、2分の追加加熱処理を行わなかった以外は、実施例1と同様にして、スプレー処理・乾燥を行った。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)の四辺を金属製の枠にクリップを用いて把持し、480℃の加熱炉内で2分間、追加加熱処理した。次に、このフィルムに、23℃において、5質量%の水酸化ナトリウム水溶液に5分浸漬、水洗、1質量%硫酸に2分浸漬、水洗の処理を施し、乾燥した。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)の四辺を金属製の枠にクリップを用いて把持し、500℃の加熱炉内で2分間、追加加熱処理した。次に、このフィルムの四辺を樹脂製の枠に粘着テープを用いて固定し、0.44質量%の炭酸ナトリウム水溶液槽、回収水槽、回収水槽、純水槽、乾燥槽からなる連続装置によりスプレー処理・乾燥を行った。炭酸ナトリウム水溶液槽では、0.44質量%炭酸ナトリウム水溶液がフルコーン型スプレーノズルから液温30℃、スプレー圧0.2MPaで噴射され、その他の槽では、回収水または純水がフラット型ノズルから室温、0.1MPaで噴射されるようにし、乾燥槽では、50℃でポリイミドフィルムを乾燥させた。炭酸ナトリウム水溶液槽の滞留時間(スプレー処理時間)は13.5秒とした。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)に500℃、2分の追加加熱処理を行わなかった以外は、実施例2と同様にして、スプレー処理・乾燥を行った。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)の四辺を金属製の枠にクリップを用いて把持し、500℃の加熱炉内で2分間、追加加熱処理した。次に、このフィルムの四辺を樹脂製の枠に粘着テープを用いて固定し、純水槽、乾燥槽からなる連続装置によりスプレー処理・乾燥を行った。純水槽では、純水がフラット型スプレーノズルから室温、0.1MPaで噴射されるようにし、乾燥槽では、50℃でポリイミドフィルムを乾燥させた。純水槽の滞留時間(スプレー処理時間)は6秒とした。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例1で得られたポリイミドフィルム(PI-1)に500℃、2分の追加加熱処理を行わなかった以外は、実施例3と同様にして、スプレー処理・乾燥を行った。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例2で得られたポリイミドフィルム(PI-2)のカバーレイ接着強度を測定した。結果を表1に示す。
製造例2で得られたポリイミドフィルム(PI-2)を、実施例1と同様にして、500℃で2分間、追加加熱処理した後、30秒間の1.7質量%水酸化ナトリウム水溶液のスプレー処理を含むスプレー処理・乾燥を行った。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
製造例2で得られたポリイミドフィルム(PI-2)に追加加熱処理を行わなかった以外は、実施例4と同様にして、スプレー処理・乾燥を行った。そして、得られたポリイミドフィルムのカバーレイ接着強度を測定した。結果を表1に示す。
Claims (4)
- 3,3’,4,4’-ビフェニルテトラカルボン酸二無水物を主成分とするテトラカルボン酸成分と、パラフェニレンジアミンを主成分とするジアミン成分とを反応させて得られるポリイミドフィルムであって、
460℃~550℃の温度範囲で熱処理されており、さらに
表面に水またはアルカリ性水溶液を吹き付けることによって表面処理されていることを特徴とするポリイミドフィルム。 - 前記アルカリ性水溶液が、水酸化ナトリウムおよび/または炭酸ナトリウムを含むことを特徴とする請求項1記載のポリイミドフィルム。
- 請求項1または2記載のポリイミドフィルムの水またはアルカリ性水溶液を吹き付けて表面処理した面に接着剤層を積層してなる接着剤積層ポリイミドフィルム。
- 3,3’,4,4’-ビフェニルテトラカルボン酸二無水物を主成分とするテトラカルボン酸成分と、パラフェニレンジアミンを主成分とするジアミン成分とを反応させて得られるポリアミック酸またはポリイミドの溶液を支持体上に流延し、これを乾燥して自己支持性フィルムを得る工程と、
この自己支持性フィルムを加熱してポリイミドフィルムを得る工程と、
得られたポリイミドフィルムを460℃~550℃で熱処理する工程と、
熱処理したポリイミドフィルムの表面に水またはアルカリ性水溶液を吹き付ける工程と
を有するポリイミドフィルムの製造方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012211221A (ja) * | 2011-03-30 | 2012-11-01 | Ube Industries Ltd | ポリイミドフィルムの製造方法、およびポリイミドフィルム |
US20140134428A1 (en) * | 2011-06-14 | 2014-05-15 | Ube Industries, Ltd. | Method for producing polyimide laminate, and polyimide laminate |
JP2016155979A (ja) * | 2015-02-26 | 2016-09-01 | 宇部興産株式会社 | ポリイミド前駆体溶液組成物及びそれを用いたポリイミド膜の製造方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8232129B2 (en) * | 2010-12-16 | 2012-07-31 | The Boeing Company | Bonding solar cells directly to polyimide |
WO2012173204A1 (ja) * | 2011-06-14 | 2012-12-20 | 宇部興産株式会社 | ポリイミド積層体の製造方法、およびポリイミド積層体 |
JP6410716B2 (ja) | 2013-05-31 | 2018-10-24 | 株式会社カネカ | 絶縁被覆材料及びその利用 |
WO2016051784A1 (ja) * | 2014-09-30 | 2016-04-07 | 三井化学株式会社 | 二次電池用負極、及びその製造方法、並びにこれを備えたリチウムイオン二次電池 |
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CN107004473B (zh) * | 2014-11-27 | 2019-09-13 | 株式会社钟化 | 耐磨损性优越的绝缘包覆材 |
DE102015103724B4 (de) * | 2015-03-13 | 2021-03-25 | At & S Austria Technologie & Systemtechnik Aktiengesellschaft | Komponententräger mit Verwerfungsstabilisierungsstruktur und Verfahren zur Herstellung dazu |
KR102529151B1 (ko) * | 2016-01-27 | 2023-05-08 | 삼성전자주식회사 | 폴리이미드 또는 폴리(아미드-이미드) 코폴리머를 포함하는 성형품 제조용 조성물, 상기 조성물로부터 얻어지는 성형품, 및 상기 성형품을 포함하는 디스플레이 장치 |
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KR102281613B1 (ko) * | 2017-11-21 | 2021-07-23 | 주식회사 엘지화학 | 디스플레이 기판용 폴리이미드 필름 |
CN108207044A (zh) * | 2017-12-12 | 2018-06-26 | 宁波今山电子材料有限公司 | 一种柔性电热模组及其制作方法 |
KR102109602B1 (ko) | 2018-09-06 | 2020-05-12 | 주식회사 오지엔테크 | 라디칼을 이용하여 냄새와 세균억제가 가능한 애완동물 배변패드 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH065997A (ja) * | 1992-06-20 | 1994-01-14 | Toshiba Chem Corp | フレキシブル印刷回路用基板 |
JPH07330930A (ja) * | 1994-06-03 | 1995-12-19 | Kanegafuchi Chem Ind Co Ltd | 高分子フィルムの表面処理方法 |
JPH11930A (ja) * | 1997-06-11 | 1999-01-06 | Kanegafuchi Chem Ind Co Ltd | 耐熱性フィルムの製造方法及びポリイミドフィルムの製造方法 |
JP2000239423A (ja) * | 1999-02-22 | 2000-09-05 | Kanegafuchi Chem Ind Co Ltd | 接着フィルムの製造方法および接着フィルム |
JP2008031470A (ja) * | 2006-07-05 | 2008-02-14 | Nippon Steel Chem Co Ltd | ポリイミド樹脂層の表面改質方法及び金属張積層板の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH062828B2 (ja) | 1986-05-15 | 1994-01-12 | 宇部興産株式会社 | ポリイミドフイルムの製造法 |
US6218022B1 (en) * | 1996-09-20 | 2001-04-17 | Toray Engineering Co., Ltd. | Resin etching solution and process for etching polyimide resins |
JP3346265B2 (ja) | 1998-02-27 | 2002-11-18 | 宇部興産株式会社 | 芳香族ポリイミドフィルムおよびその積層体 |
JP4531996B2 (ja) | 2001-02-09 | 2010-08-25 | 株式会社エー・エム・ティー・研究所 | ポリイミドフィルム積層体 |
JP2006056956A (ja) | 2004-08-19 | 2006-03-02 | Jsr Corp | ポリイミドフィルムの製造方法 |
KR100955552B1 (ko) | 2005-06-03 | 2010-04-30 | 미쓰이 가가쿠 가부시키가이샤 | 폴리이미드 필름, 폴리이미드 금속 적층체 및 그의제조방법 |
JP4231511B2 (ja) | 2005-06-03 | 2009-03-04 | 三井化学株式会社 | ポリイミドフィルム、ポリイミド金属積層体及びその製造方法 |
-
2010
- 2010-08-18 US US13/391,011 patent/US9393720B2/en not_active Expired - Fee Related
- 2010-08-18 CN CN2010800472322A patent/CN102575034B/zh not_active Expired - Fee Related
- 2010-08-18 KR KR1020127006850A patent/KR20120065349A/ko not_active Application Discontinuation
- 2010-08-18 JP JP2011527687A patent/JP5594289B2/ja not_active Expired - Fee Related
- 2010-08-18 WO PCT/JP2010/063925 patent/WO2011021639A1/ja active Application Filing
- 2010-08-19 TW TW099127719A patent/TW201117962A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH065997A (ja) * | 1992-06-20 | 1994-01-14 | Toshiba Chem Corp | フレキシブル印刷回路用基板 |
JPH07330930A (ja) * | 1994-06-03 | 1995-12-19 | Kanegafuchi Chem Ind Co Ltd | 高分子フィルムの表面処理方法 |
JPH11930A (ja) * | 1997-06-11 | 1999-01-06 | Kanegafuchi Chem Ind Co Ltd | 耐熱性フィルムの製造方法及びポリイミドフィルムの製造方法 |
JP2000239423A (ja) * | 1999-02-22 | 2000-09-05 | Kanegafuchi Chem Ind Co Ltd | 接着フィルムの製造方法および接着フィルム |
JP2008031470A (ja) * | 2006-07-05 | 2008-02-14 | Nippon Steel Chem Co Ltd | ポリイミド樹脂層の表面改質方法及び金属張積層板の製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012211221A (ja) * | 2011-03-30 | 2012-11-01 | Ube Industries Ltd | ポリイミドフィルムの製造方法、およびポリイミドフィルム |
US20140134428A1 (en) * | 2011-06-14 | 2014-05-15 | Ube Industries, Ltd. | Method for producing polyimide laminate, and polyimide laminate |
JP2016155979A (ja) * | 2015-02-26 | 2016-09-01 | 宇部興産株式会社 | ポリイミド前駆体溶液組成物及びそれを用いたポリイミド膜の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
TW201117962A (en) | 2011-06-01 |
US9393720B2 (en) | 2016-07-19 |
JPWO2011021639A1 (ja) | 2013-01-24 |
CN102575034B (zh) | 2013-11-06 |
KR20120065349A (ko) | 2012-06-20 |
CN102575034A (zh) | 2012-07-11 |
US20120156482A1 (en) | 2012-06-21 |
JP5594289B2 (ja) | 2014-09-24 |
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