WO2023013224A1 - ポリイミド樹脂、該ポリイミド樹脂を含有する樹脂組成物及びその硬化物 - Google Patents
ポリイミド樹脂、該ポリイミド樹脂を含有する樹脂組成物及びその硬化物 Download PDFInfo
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- WO2023013224A1 WO2023013224A1 PCT/JP2022/022278 JP2022022278W WO2023013224A1 WO 2023013224 A1 WO2023013224 A1 WO 2023013224A1 JP 2022022278 W JP2022022278 W JP 2022022278W WO 2023013224 A1 WO2023013224 A1 WO 2023013224A1
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- compound
- resin
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- polyimide resin
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- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- DLRJIFUOBPOJNS-UHFFFAOYSA-N phenetole Chemical compound CCOC1=CC=CC=C1 DLRJIFUOBPOJNS-UHFFFAOYSA-N 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000009774 resonance method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- NUMQCACRALPSHD-UHFFFAOYSA-N tert-butyl ethyl ether Chemical compound CCOC(C)(C)C NUMQCACRALPSHD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- KLNPWTHGTVSSEU-UHFFFAOYSA-N undecane-1,11-diamine Chemical compound NCCCCCCCCCCCN KLNPWTHGTVSSEU-UHFFFAOYSA-N 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
-
- 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
- C08G73/1039—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
-
- 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
-
- 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
- C08L79/085—Unsaturated polyimide precursors
Definitions
- the present invention relates to polyimide resins with novel structures, resin compositions containing these, and cured products of the resin compositions.
- Printed wiring boards are indispensable members for electronic devices such as mobile communication devices such as smartphones and tablets, communication base station devices, computers and car navigation systems. 2. Description of the Related Art Various resin materials having excellent properties such as adhesion to metal foil, heat resistance and flexibility are used for printed wiring boards. In recent years, high-speed, large-capacity printed wiring boards for next-generation high-frequency radio have been developed. It is required to be tangent.
- Polyimide resin which has excellent properties such as heat resistance, flame retardancy, flexibility, electrical properties, and chemical resistance, is widely used in electric and electronic parts, semiconductors, communication equipment and its circuit parts, peripheral equipment, etc.
- hydrocarbon compounds such as petroleum and natural oils exhibit high insulating properties and low dielectric constants.
- An example in which a skeleton of dimer diamine is introduced is described.
- the polyimide resin of Patent Document 1 is excellent in terms of low dielectric loss tangent, it is inferior in substrate adhesiveness and mechanical properties.
- Patent Document 2 describes that a polyimide made from a diamine having a phenolic hydroxyl group as a raw material is excellent in adhesiveness and mechanical properties.
- a high moisture absorption which deteriorates the lamination property
- a high water absorption which deteriorates the dielectric properties after moisture absorption.
- JP 2018-168369 A Japanese Patent Application No. 2020-535005
- An object of the present invention is to contain a resin material with a novel structure that can be suitably used for printed wiring boards, and a cured product of the resin material, which exhibits adhesion to substrates, mechanical properties, heat resistance, lamination properties, and dielectric properties after moisture absorption.
- An object of the present invention is to provide a resin composition having excellent properties.
- the present invention (1) an aminophenol compound (a1) having at least two amino groups in one molecule, an aliphatic diamino compound having 6 to 36 carbon atoms (a2) and an aromatic diamino compound having no phenolic hydroxyl group (a3)
- Polyimide resin that is a reaction product with the compound (C) having a double bond group
- aminophenol compound (a1) is represented by the following formula (1)
- R 1 represents a hydrogen atom, a methyl group or an ethyl group
- X is C(CH 3 ) 2 , C(CF 3 ) 2 , SO 2 , an oxygen atom, a direct bond or the following formula (2) )
- the polyimide resin according to the preceding item (1) containing a compound represented by (3) Tetrabasic dianhydride (B) is represented by the following formulas (3) to (7)
- Y is C(CF 3 ) 2 , SO 2 , CO, an oxygen atom, a direct bond, or the following formula (2)
- the polyimide resin according to the preceding item (1) containing at least one selected from the group consisting of the compounds represented by (4)
- R 2 independently represents a methyl group or a trifluoromethyl group; in formula (11), Z is CH(CH 3 ), SO 2 , CH 2 , O—C 6 H 4 — O, an oxygen atom, a direct bond, or the following formula (2)
- R4 independently represents a hydrogen atom, a methyl group, an ethyl group or a trifluoromethyl group.
- the polyimide resin according to the preceding item (1) containing at least one selected from the group consisting of compounds represented by (6)
- (9) A cured product of the resin composition according to (6) above, and (10) an article comprising the cured product according to (9) above, Regarding.
- polyimide resin having the specific structure of the present invention By using the polyimide resin having the specific structure of the present invention, it is possible to provide printed wiring boards and the like that are excellent in properties such as heat resistance, mechanical properties, low dielectric properties and adhesiveness.
- the polyimide resin of the present invention includes an aminophenol compound (a1) having at least two amino groups in one molecule (hereinafter also simply referred to as "(a1) component"), and an aliphatic diamino compound having 6 to 36 carbon atoms.
- component (a2) hereinafter simply referred to as “component (a2)
- component (a3) an amino compound containing an aromatic diamino compound (a3) having no phenolic hydroxyl group
- component (a3) Polyamic acid which is a copolymer of (A) (hereinafter simply referred to as “(A) component”) and tetrabasic dianhydride (B) (hereinafter simply referred to as “(B) component”)
- Resin imidized product (P) hereinafter also simply referred to as “imidized product (P)”
- a compound (C) having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group hereinafter referred to as , simply referred to as “component (C)”.
- the imidized product (P) which is an intermediate raw material for the polyimide resin of the present invention, will be described.
- the component (a1) used for synthesizing the imidized compound (P) is not particularly limited as long as it is a compound having at least two amino groups and at least one phenolic hydroxyl group in one molecule.
- component (a1) examples include 3,3′-diamino-4,4′-dihydroxydiphenyl sulfone, 3,3′-diamino-4,4′-dihydroxydiphenyl ether, 3,3′-diamino-4, 4'-dihydroxybiphenyl, 3,3'-diamino-4,4'-dihydroxybenzophenone, 2,2-bis(3-amino-4-hydroxyphenyl)methane, 2,2-bis(3-amino-4- hydroxyphenyl)ethane, 2,2-bis(3-amino-4-hydroxyphenyl)propane, 1,3-hexafluoro-2,2-bis(3-amino-4-hydroxyphenyl)propane and 9,9' -Bis(3-amino-4-hydroxyphenyl)fluorene and the like. These may be used alone or in combination of two or more.
- the component (a1) used for synthesizing the imidized compound (P) preferably contains a compound represented by the following formula (1).
- R 1 represents a hydrogen atom, a methyl group or an ethyl group
- X is C(CH 3 ) 2 , C(CF 3 ) 2 , SO 2 , an oxygen atom, a direct bond or the following formula (2)
- a direct bond means that two benzene rings are directly bonded without going through carbon or other atoms.
- the same meaning applies to direct bonds in symbols Y and Z hereinafter.
- the amount of component (a1) used when synthesizing the imidized product (P) is such that the phenolic hydroxyl equivalent of the imidized product (P) is 1,500 to 25,000 g/eq. is preferred.
- a phenolic hydroxyl equivalent of 1,500 g/eq. is lower than 25,000 g/eq. If it exceeds, the number of cross-linking points of the polyimide resin finally obtained by reducing the reaction points with the component (C) described later is reduced, and the heat resistance of the cured product of the resin composition and the adhesiveness to the substrate. tends to decline.
- the phenolic hydroxyl group equivalent in the present specification means a value measured by a method according to JIS K-0070.
- the imidized product (P) is obtained by an imidization reaction of a polyamic acid resin that is a copolymer of the components (A) and (B), that is, by a cyclization reaction by dehydration condensation. Therefore, the amount (ratio) of the components (A) and (B) necessary for synthesizing the imidized product (P) having the intended hydroxyl group equivalent and aliphatic chain content is and (B) components and the number of phenolic hydroxyl groups in component (a1).
- the component (a2) used in the synthesis of the imidized product (P) is not particularly limited as long as it is an aliphatic compound having 6 to 36 carbon atoms and having two amino groups in one molecule.
- the aliphatic structure in the component (a2) may be linear, branched or cyclic, or may have the above structures, and may be saturated or unsaturated.
- component (a2) include hexamethylenediamine, 1,3-bis(aminomethyl)cyclohexane, 1,3-bisaminomethylcyclohexane, norbornanediamine, isophoronediamine, dimerdiamine, 2-methyl-1,5 -diaminopentane, 1,7-diaminoheptane, 1,8-diaminooctane, 1,9-diaminononane, 1,10-diaminodecane, 1,11-diaminoundecane, 1,12-diaminododecane, 1,4-bis (Aminomethyl)cyclohexane, 4,4'-methylenebiscyclohexylamine, diaminopolysiloxane having 6 to 36 carbon atoms, and the like. These may be used alone or in combination of two or more. From the viewpoint of the dielectric properties of the polyimide resin, it is preferable to use dimerdiamine
- dimer diamine described in the specific examples of component (a2) is obtained by substituting primary amino groups for the two carboxyl groups of dimer acid, which is a dimer of unsaturated fatty acids such as oleic acid. See Japanese Laid-Open Patent Publication No. 9-12712, etc.).
- Specific examples of commercially available dimer diamines include PRIAMINE 1074 and PRIAMINE 1075 (both manufactured by Croda Japan Co., Ltd.) and Versamin 551 (manufactured by Cognis Japan Co., Ltd.). These may be used alone or in combination of two or more.
- dashed lines represent carbon-carbon single bonds or carbon-carbon double bonds).
- the amount of component (a2) used when synthesizing the imidized product (P) is determined by dividing the mass of component (A) by the number of moles of water (water generated by the dehydration condensation reaction) that is twice the number of moles of component (B). ) (the mass of the imidized product (P) produced) is preferably in the range of 10 to 50% by mass. If the amount of component (a2) is below the above range, the number of aliphatic chains derived from component (a2) in the finally obtained polyimide resin is too small, resulting in a high dielectric loss tangent of the cured product of the resin composition. On the other hand, if the above range is exceeded, the number of aliphatic chains derived from component (a2) in the polyimide resin is too large, and the heat resistance of the cured product of the resin composition is lowered.
- the component (a3) used in the synthesis of the imidized product (P) may be an aromatic diamino compound other than the component (a1), and may be an aromatic compound having two amino groups in one molecule. is not particularly limited.
- component (a3) include m-phenylenediamine, p-phenylenediamine, m-tolylenediamine, 4,4′-diaminodiphenyl ether, 3,3′-dimethyl-4,4′-diaminodiphenyl ether, 3 , 4'-diaminodiphenyl ether, 4,4'-diaminodiphenylthioether, 3,3'-dimethyl-4,4'-diaminodiphenylthioether, 3,3'-diethoxy-4,4'-diaminodiphenylthioether, 3, 3'-diaminodiphenylthioether, 4,4'-diaminobenzophenone, 3,3'-dimethyl-4,4'-diaminobenzophenone, 3,3'-diaminodiphenylmethane, 4,4'-diaminodiphenylmethane, 3,4' -di
- the (a3) component used in the synthesis of the imidized product (P) has the following formulas (8) to ( It is preferable to contain at least one compound selected from the group consisting of compounds represented by 11).
- R2 independently represents a methyl group or a trifluoromethyl group.
- R 3 is independently a hydrogen atom, a methyl group or an ethyl group;
- Z is CH(CH 3 ), SO 2 , CH 2 , O—C 6 H 4 —O, an oxygen atom, or a direct bond;
- Or represents a divalent linking group represented by the above formula (2).
- the amino compound (A) is composed of at least the aminophenol compound (a1), the aliphatic diamino compound (a2) and the aromatic diamino compound (a3).
- amino compound (A) another amino compound other than the aminophenol compound (a1), the aliphatic diamino compound (a2) and the aromatic diamino compound (a3) may be further used as the amino compound (A).
- amino compound (A) it is preferable not to use other amino compounds other than the aminophenol compound (a1), the aliphatic diamino compound (a2) and the aromatic diamino compound (a3).
- component (B) used for synthesis of the imidized compound (P) is not particularly limited as long as it has two acid anhydride groups in one molecule.
- component (B) include pyromellitic anhydride, ethylene glycol-bis(anhydrotrimellitate), glycerin-bis(anhydrotrimellitate) monoacetate, 1,2,3,4-butane tetra carboxylic dianhydride, 3,3′,4,4′-diphenylsulfonetetracarboxylic dianhydride, 3,3′,4,4′-benzophenonetetracarboxylic dianhydride, 3,3′,4, 4'-biphenyltetracarboxylic dianhydride, 3,3',4,4'-diphenyl ether tetracarboxylic dianhydride, 5-(2,5-dioxotetrahydro-3-furany
- 3,3′,4,4′-diphenylsulfonetetracarboxylic dianhydride and 3,3′,4,4′-benzophenone are preferred in terms of solvent solubility, adhesion to substrates, and photosensitivity.
- Tetracarboxylic dianhydride, 3,3′,4,4′-biphenyltetracarboxylic dianhydride or 3,3′,4,4′-diphenylethertetracarboxylic dianhydride is preferred. These may be used alone or in combination of two or more.
- the (B) component used for the synthesis of the imidized product (P) is represented by the following formulas (3) to (7) from the viewpoint of the solvent solubility of the polyamic acid resin, the imidized product (P), and the finally obtained polyimide resin. It is preferable to contain at least one compound selected from the group consisting of compounds represented by.
- Y represents C(CF 3 ) 2 , SO 2 , CO, an oxygen atom, a direct bond, or a divalent linking group represented by formula (2) above.
- the number of moles of component (a1) in component (A) used for synthesis of imidized compound (P) is a1M
- the number of moles of component (a2) is a2M
- the number of moles of component (a3) is a3M
- the value of /(a1M+a2M+a3M) is preferably greater than 0.01 and less than 0.3, more preferably greater than 0.03 and less than 0.15.
- the number of reaction sites with component (C) which will be described later, is reduced, so that the substrate adhesiveness and soldering heat resistance of the cured product of the resin composition tend to decrease.
- a1M/(a1M+a2M+a3M) is 0.3 or more, the dielectric properties of the cured product of the resin composition tend to deteriorate.
- the value of a2M/(a1M+a2M+a3M) is preferably more than 0.2 and less than 0.9, more preferably more than 0.3 and less than 0.6. If a2M/(a1M+a2M+a3M) is less than 0.2, the dielectric properties of the cured product of the resin composition tend to deteriorate, and the solvent solubility of the polyimide resin tends to deteriorate. Further, when a2M/(a1M+a2M+a3M) is 0.9 or more, the heat resistance of the cured product of the resin composition tends to deteriorate.
- the value of a3M/(a1M+a2M+a3M) is preferably more than 0.1 and less than 0.8, more preferably more than 0.2 and less than 0.6.
- a3M/(a1M+a2M+a3M) is 0.1 or less, the soldering heat resistance of the cured product of the resin composition tends to deteriorate.
- a3M/(a1M+a2M+a3M) is 0.8 or more, the solvent solubility of the polyimide resin tends to deteriorate.
- the number of moles of component (A) is MA
- the number of moles of component (B) is MB.
- the value of MA/MB is preferably in the range of more than 1.0 and less than 2.0, more preferably more than 1.0 and less than 1.5. If the above value is 2.0 or more, in addition to insufficient increase in the molecular weight of the finally obtained polyimide resin, the residual rate of unreacted raw materials increases, resulting in a resin composition (described later). Various properties such as heat resistance after curing may deteriorate.
- the number of moles of component (A) is MA
- the number of moles of component (B) is MB.
- the value of MB/MA is preferably in the range of more than 1.0 and less than 2.0, more preferably more than 1.0 and less than 1.5. If the above value is 2.0 or more, in addition to insufficient increase in the molecular weight of the finally obtained polyimide resin, the residual rate of unreacted raw materials increases, resulting in a resin composition (described later). Various properties such as heat resistance after curing may deteriorate.
- the imidized product (P) can be synthesized by a known method. For example, after dissolving the components (A) and (B) used in the synthesis in a solvent, the diamines and the tetrabasic dianhydrides are obtained by heating and stirring at 10 to 140°C under an inert atmosphere such as nitrogen. A copolymerization reaction with occurs to obtain a polyamic acid resin solution.
- a dehydrating agent or a catalyst is added to the polyamic acid resin solution obtained above, and the mixture is heated and stirred at 100 to 300° C. to cause an imidization reaction (ring-closure reaction accompanied by dehydration) to form the imidized product (P).
- an imidization reaction ring-closure reaction accompanied by dehydration
- Toluene, xylene and the like can be used as dehydrating agents, and tertiary amines and dehydrating catalysts can be used as catalysts.
- Preferred tertiary amines are heterocyclic tertiary amines such as pyridine, picoline, quinoline, and isoquinoline.
- Dehydration catalysts include, for example, acetic anhydride, propionic anhydride, n-butyric anhydride, benzoic anhydride, and trifluoroacetic anhydride.
- the reaction time for synthesizing the polyamic acid resin and the polyimide resin is greatly affected by the reaction temperature, but it is preferable to carry out the reaction until the increase in viscosity accompanying the progress of the reaction reaches equilibrium and the maximum molecular weight is obtained. , usually from a few minutes to 20 hours.
- the above example is a method of synthesizing the imidized product (P) via polyamic acid. After dissolving the components (A) and (B) used in the synthesis in a solvent, a dehydrating agent and a catalyst are added as necessary. In addition, the copolymerization reaction and the imidization reaction may be performed together by heating and stirring at 100 to 300° C. to obtain the imidized product (P).
- Solvents that can be used in synthesizing the imidized compound (P) include methyl ethyl ketone, methyl propyl ketone, methyl isopropyl ketone, methyl butyl ketone, methyl isobutyl ketone, methyl n-hexyl ketone, diethyl ketone, diisopropyl ketone, diisobutyl ketone, and cyclopentanone.
- cyclohexanone methylcyclohexanone, acetylacetone, ⁇ -butyrolactone, diacetone alcohol, cyclohexene-1-one, dipropyl ether, diisopropyl ether, dibutyl ether, tetrahydrofuran, tetrahydropyran, ethyl isoamyl ether, ethyl-t-butyl ether, ethyl benzyl ether , cresyl methyl ether, anisole, phenetole, methyl acetate, ethyl acetate, propyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, amyl acetate, isoamyl acetate, 2-ethylhexyl acetate, cyclohexyl acetate, methylcyclohexyl acetate, benzyl acetate,
- the preferred amount of the solvent to be used should be appropriately adjusted depending on the viscosity of the resin to be obtained and the intended use.
- a catalyst to promote the dehydration reaction.
- a catalyst to promote the dehydration reaction.
- usable catalysts include known basic catalysts such as triethylamine and pyridine. Among them, triethylamine is preferable because it has a low boiling point and does not easily remain.
- polyimide of the present invention which is a reaction product of an imidized product (P) and a compound (C) having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group (component (C)) Resin will be explained.
- the (C) component used for the reaction with the imidized product (P) is not particularly limited as long as it is a compound having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group.
- the polyimide resin of the present invention which is a reaction product of the phenolic hydroxyl group of the imidized product (P) and the component (C), has the ethylenically unsaturated double bond groups derived from the component (C) with each other or a thermosetting resin described later.
- the cured product of the resin composition has both excellent heat resistance and adhesiveness.
- the viscosity of the polyimide resin tends to be lowered and the laminating property to the substrate tends to be improved.
- Examples of functional groups capable of reacting with phenolic hydroxyl groups of component (C) include isocyanate groups, carboxylic acid chloride groups, acid anhydride groups, epoxy groups, silyl chloride groups, halogenated alkyl groups, ester groups, and sulfonyl chlorides. groups, carboxyl groups, and the like.
- an isocyanate group is preferred because residual impurities derived from leaving groups are not generated from the component (C).
- the ethylenically unsaturated double bond group possessed by the component (C) is not particularly limited as long as it is a C ⁇ C bond.
- the number of moles of component (A) is MA and the number of moles of component (B) is MB, and component (A) and component (B) can be copolymerized in an amount that satisfies the relationship MA/MB>1.0.
- the functional groups capable of reacting with the phenolic hydroxyl groups of component (C) are isocyanate groups, carboxylic acid chloride groups, acid anhydride groups, epoxy groups, and silyl chloride groups.
- a halogenated alkyl group, an ester group, a sulfonyl chloride group and a carboxyl group can react with the terminal amine of the imidide (P).
- component (A) and component (B) can be copolymerized in an amount that satisfies the relationship MA/MB ⁇ 1.0. Since the terminal of the imidized product (P) is an acid anhydride, when the functional group capable of reacting with the phenolic hydroxyl group of the component (C) is an isocyanate group, an epoxy group, and a carboxyl group, the imidized product (P) can react with the terminal anhydride groups of
- component (C) include Karenz MOI (manufactured by Showa Denko KK), Karenz AOI, Karenz MOI-BM, Karenz MOI-BP, Karenz BEI, Karenz MOI-EG, AOI-VM, methacrylic acid chloride, and acrylic. acid chloride, maleimidocaproic chloride, allyl bromide, allyl iodide, allyl chloride, 4-chloro-1-butene, 4-bromo-1-butene, crotonoyl chloride, cinnamoyl chloride and the like.
- the polyimide resin of the present invention which is a reaction product of imidized product (P) and component (C), can be synthesized by a known method. For example, it can be synthesized by mixing a predetermined component (C) with a resin solution of the imidized compound (P) and reacting it at 80°C to 150°C.
- Various catalysts may be used to advance the reaction between the imidized product (P) and the component (C).
- Known inorganic acids, organic acids, inorganic bases, organic bases and the like can be used as catalysts.
- MC is the number of moles of the component (C) used to synthesize the polyimide resin of the present invention
- MAB is the number of moles of the phenolic hydroxyl group of the imidized product (P)
- MP is the number of moles of the terminal functional group of the imidized product (P).
- the value of MC/(MAB+MP) is preferably more than 0.3 and less than 1.0, more preferably more than 0.5 and less than 1.0.
- the viscosity of the polyimide resin solution increases due to the hydrogen bonding of the phenolic hydroxyl groups that do not react with the component (C), and the lamination property tends to decrease.
- the substrate adhesion of the cured product tends to decrease.
- the resin composition of the present invention can contain a polyimide resin that is a reaction product of the imidized product (P) and the component (C), a thermosetting resin (compound), and a curing agent.
- thermosetting resins (compounds) contained in the resin composition of the present invention include epoxy resins, maleimide resins, carbodiimide resins, benzoxazine compounds and compounds having ethylenically unsaturated groups. These resins or compounds can be used singly or in admixture of two or more depending on the physical properties and applications of the resulting cured product.
- heat stability and high adhesiveness can be imparted to the cured product of the resin composition by using a thermosetting resin (compound) together with the polyimide resin.
- thermosetting resin compound contained in the resin composition of the present invention
- a maleimide resin or a compound having an ethylenically unsaturated group is preferable because the cured product of the resin composition has particularly excellent heat resistance and adhesiveness.
- the number of moles of the component (A) used in the synthesis of the polyimide resin of the present invention is MA
- the number of moles of the component (B) is MB
- the number of moles of the component (C) is MC
- the phenolic property of the imide (P) When the number of moles of hydroxyl groups is MAB and the number of moles of terminal functional groups of imidized product (P) is MP, the value of MA/MB exceeds 1.0 and the value of MC/(MAB+MP) exceeds 0. is less than 1.0, it is also preferable to use an epoxy resin as the thermosetting resin.
- thermosetting resin preferably has a molecular weight of 100 to 50,000 from the viewpoint of suppressing an increase in the viscosity of the varnish obtained by adding an organic solvent to the resin composition of the present invention.
- molecular weight in the present specification means the weight average molecular weight of a polystyrene standard by gel permeation chromatography (GPC) method.
- the maleimide resin as a thermosetting resin is not particularly limited as long as it has two or more maleimide groups in one molecule.
- a maleimide resin having an aromatic ring such as a benzene ring, a biphenyl ring and a naphthalene ring is preferable, and specific examples thereof include MIR-3000 (manufactured by Nippon Kayaku Co., Ltd.) and MIR-5000 (manufactured by Nippon Kayaku Co., Ltd.). etc.
- the maleimide resin is added for the purpose of reacting with the ethylenically unsaturated double bond groups of the polyimide resin of the present invention, thereby increasing the crosslink density of the cured product, improving the resistance to polar solvents, and Adhesion to materials and heat resistance are improved.
- the curing temperature of the resin composition containing the maleimide resin is preferably 150 to 250°C.
- the curing time depends on the curing temperature, but is generally several minutes to several hours.
- the content of the maleimide resin in the resin composition of the present invention containing a maleimide resin is such that the maleimide group equivalent of the maleimide resin is 0.1 to 500 equivalents per equivalent of the ethylenically unsaturated double bond groups of the polyimide resin. preferable.
- the resin composition of the present invention containing a maleimide resin may optionally contain various radical initiators as a curing agent for the purpose of promoting the curing reaction of the maleimide resin.
- Radical initiators include peroxides such as dicumyl peroxide and dibutyl peroxide, 2,2'-azobis(isobutyronitrile) and 2,2'-azobis(2,4-dimethylvaleronitrile), and the like. azo compounds, and the like.
- the amount of the radical initiator added to the resin composition of the present invention containing a maleimide resin is 0.1 to 10% by mass based on the maleimide resin.
- the epoxy resin as a thermosetting resin is not particularly limited as long as it has two or more epoxy groups in one molecule.
- Epoxy resins having an aromatic ring such as a benzene ring, a biphenyl ring and a naphthalene ring are preferred, and specific examples thereof include jER828 (Mitsubishi Chemical Co., Ltd.), NC-3000, and XD-1000 (both Nippon Kayaku Co., Ltd. made) and the like.
- the epoxy resin is added for the purpose of reacting with the phenolic hydroxyl group or terminal amino group or acid anhydride group of the polyimide resin, thereby increasing the crosslink density of the cured product and improving the resistance to polar solvents. Adhesion to substrates and heat resistance are improved.
- the curing temperature of the resin composition containing the epoxy resin is preferably 150 to 250°C. The curing time depends on the curing temperature, but is generally several minutes to several hours.
- the content of the epoxy resin in the resin composition of the present invention containing an epoxy resin is such that the epoxy group equivalent of the epoxy resin is 0.1 to 0.1 to 1 equivalent of the active hydrogen and acid anhydride of the phenolic hydroxyl group and terminal amino group of the polyimide resin. An amount that gives 500 equivalents is preferred.
- the epoxy group of the epoxy resin has reactivity with the phenolic hydroxyl group, it is necessary to use the epoxy resin in such an amount that the epoxy equivalent of the epoxy resin per equivalent of the phenolic hydroxyl group of the polyimide resin is 0.1 to 500 equivalents. It is a preferable aspect to add according to necessity.
- a curing agent can be added to the resin composition of the present invention containing an epoxy resin for the purpose of promoting the curing reaction of the epoxy resin.
- Curing agents include 2-methylimidazole, 2-ethylimidazole, 2-ethyl-4-methylimidazole, 2-phenyl-4,5-dihydroxymethylimidazole and 2-phenyl-4-methyl-5-hydroxymethylimidazole.
- imidazoles, tertiary amines such as 2-(dimethylaminomethyl)phenol and 1,8-diaza-bicyclo(5,4,0)undecene-7, phosphines such as triphenylphosphine, octylic acid Metal compounds such as tin and the like are included.
- the amount of the curing agent added to the resin composition of the present invention containing an epoxy resin is 0.1 to 10% by mass based on the epoxy resin.
- the compound having an ethylenically unsaturated group as a thermosetting resin is not particularly limited as long as it has an ethylenically unsaturated group in one molecule.
- Specific examples of compounds having an ethylenically unsaturated group include methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, lauryl (meth) acrylate, polyethylene glycol (meth) acrylate, polyethylene glycol (meth) Acrylate monomethyl ether, phenylethyl (meth)acrylate, isobornyl (meth)acrylate, cyclohexyl (meth)acrylate, benzyl (meth)acrylate, tetrahydrofurfuryl (meth)acrylate, butanediol di(meth)acrylate, hexanediol di(meth)acrylate ) acrylate, neopentyl glycol
- urethane (meth)acrylates having both a (meth)acryloyl group and a urethane bond in the same molecule
- polyester (meth)acrylates having both a (meth)acryloyl group and an ester bond in the same molecule
- reactive oligomers in which these bonds are used in combination are also specific examples of compounds having ethylenically unsaturated groups.
- Urethane (meth)acrylates include reaction products of hydroxyl group-containing (meth)acrylates, polyisocyanates, and other alcohols used as necessary.
- hydroxyalkyl (meth)acrylates such as hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, and hydroxybutyl (meth)acrylate;
- sugar alcohol (meth)acrylates such as pentaerythritol di(meth)acrylate, pentaerythritol tri(meth)acrylate, dipentaerythritol penta(meth)acrylate, and dipentaerythritol hexa(meth)acrylate; and toluene diisocyanate , hexamethylene diisocyanate, trimethylhexamethylene diisocyanate, isophorone diisocyanate, norbornene diisocyanate, xylene diisocyanate, hydrogenated x
- Polyester (meth)acrylates include, for example, caprolactone-modified 2-hydroxyethyl (meth)acrylate, ethylene oxide and/or propylene oxide-modified phthalic acid (meth)acrylate, ethylene oxide-modified succinic acid (meth)acrylate, caprolactone-modified tetrahydro Monofunctional (poly)ester (meth)acrylates such as furfuryl (meth)acrylate; hydroxypivalic acid ester neopentyl glycol di(meth)acrylate, caprolactone-modified hydroxypivalic acid ester neopentyl glycol di(meth)acrylate, epichlorohydrin-modified Di (poly) ester (meth) acrylates such as phthalic acid di (meth) acrylate; 1 mol or more of cyclic lactone compounds such as ⁇ -caprolactone, ⁇ -butyrolactone, and ⁇ -valerolactone per 1 mol of tri
- a triol obtained by adding 1 mol or more of a cyclic lactone compound such as ⁇ -caprolactone, ⁇ -butyrolactone, or ⁇ -valerolactone to 1 mol of pentaerythritol, dimethylolpropane, trimethylolpropane, or tetramethylolpropane.
- a cyclic lactone compound such as ⁇ -caprolactone, ⁇ -butyrolactone, or ⁇ -valerolactone
- mono-, di-, tri-, or tetra-(meth)acrylates mono-triols obtained by adding 1 mol or more of cyclic lactone compounds such as ⁇ -caprolactone, ⁇ -butyrolactone, and ⁇ -valerolactone to 1 mol of dipentaerythritol, or Examples include mono(meth)acrylates or poly(meth)acrylates of polyhydric alcohols such as triols, tetraols, pentaols or hexaols of poly(meth)acrylates.
- diol components such as (poly)ethylene glycol, (poly)propylene glycol, (poly)tetramethylene glycol, (poly)butylene glycol, 3-methyl-1,5-pentanediol, hexanediol, maleic acid, fumaric Polybasic acids such as acid, succinic acid, adipic acid, phthalic acid, isophthalic acid, hexahydrophthalic acid, tetrahydrophthalic acid, dimer acid, sebacic acid, azelaic acid, 5-sodium sulfoisophthalic acid, and anhydrides thereof (meth)acrylate of polyester polyol which is the reaction product of; (meth)acrylate of cyclic lactone-modified polyester diol composed of diol component, polybasic acid and their anhydrides and ⁇ -caprolactone, ⁇ -butyrolactone, ⁇ -valerolactone, etc. and polyfunctional (poly)
- Epoxy (meth)acrylates are carboxylate compounds of a compound having an epoxy group and (meth)acrylic acid.
- phenol novolak type epoxy (meth)acrylate cresol novolak type epoxy (meth)acrylate, trishydroxyphenylmethane type epoxy (meth)acrylate, dicyclopentadiene phenol type epoxy (meth)acrylate, bisphenol A type epoxy (meth)acrylate.
- bisphenol F type epoxy (meth)acrylate bisphenol F type epoxy (meth)acrylate, biphenol type epoxy (meth)acrylate, bisphenol A novolac type epoxy (meth)acrylate, naphthalene skeleton-containing epoxy (meth)acrylate, glyoxal type epoxy (meth)acrylate, heterocyclic epoxy ( meth)acrylates, and acid anhydride-modified epoxy acrylates thereof.
- vinyl ethers such as ethyl vinyl ether, propyl vinyl ether, hydroxyethyl vinyl ether, and ethylene glycol divinyl ether; styrenes such as styrene, methylstyrene, ethylstyrene, and divinylbenzene;
- a compound having a vinyl group such as lunadiimide is also included as a specific example of the compound having an ethylenically unsaturated group.
- KAYARAD registered trademark
- ZCR-6007H trade name
- KAYARAD registered trademark
- ZCR-6001H trade name
- KAYARAD registered trademark
- ZCR-6002H trade name
- KAYARAD registered trademark
- ZCR-6006H trade name
- These compounds having an ethylenically unsaturated group can be used singly or in admixture of two or more.
- the content of the compound having an ethylenically unsaturated group in the resin composition of the present invention containing a compound having an ethylenically unsaturated group is 0.1 to 0.1 with respect to the ethylenically unsaturated double bond group equivalent of the polyimide resin. An amount that gives 500 equivalents is preferred.
- a curing agent such as a radical initiator is optionally added for the purpose of promoting the curing reaction between the polyimide resin and the ethylenically unsaturated group.
- radical initiators include peroxides such as dicumyl peroxide and dibutyl peroxide, 2,2′-azobis(isobutyronitrile) and 2,2′-azobis(2,4-dimethylvalero nitrile) and other azo compounds.
- the amount of the radical initiator added to the resin composition of the present invention containing a compound having an ethylenically unsaturated group is 0.1 to 10% by mass based on the ethylenically unsaturated groups in the entire composition.
- varnish-like composition An organic solvent can be used together with the resin composition of the present invention to form a varnish-like composition (hereinafter simply referred to as varnish).
- Solvents that can be used include, for example, ⁇ -butyrolactones, amide solvents such as N-methylpyrrolidone, N,N-dimethylformamide, N,N-dimethylacetamide and N,N-dimethylimidazolidinone, and tetramethylenesulfone.
- Ether solvents such as sulfones, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, propylene glycol, propylene glycol monomethyl ether, propylene glycol monomethyl ether monoacetate and propylene glycol monobutyl ether, ketone solvents such as methyl ethyl ketone, methyl isobutyl ketone, cyclopentanone and cyclohexanone Solvents include aromatic solvents such as toluene and xylene.
- the organic solvent is used in such a range that the solid concentration of the varnish excluding the organic solvent is preferably 10 to 80% by mass, more preferably 20 to 70% by mass.
- a known additive may be used in combination with the resin composition of the present invention, if necessary.
- additives that can be used in combination include curing agents for epoxy resins, polybutadiene or modified products thereof, modified acrylonitrile copolymers, polyphenylene ethers, polystyrene, polyethylene, polyimide, fluororesins, maleimide compounds, cyanate esters.
- silicone gel silicone oil
- silica silica
- alumina calcium carbonate
- quartz powder aluminum powder
- graphite talc
- clay iron oxide
- titanium oxide aluminum nitride
- asbestos asbestos
- inorganic fillers such as glass powder
- silane Surface treatment agents for fillers such as coupling agents, release agents, coloring agents such as carbon black, phthalocyanine blue, and phthalocyanine green
- thixotropic agents such as Aerosil, silicone-based and fluorine-based leveling agents and antifoaming agents, Hydroquinone, hydroquinone monomethyl ether, phenol-based polymerization inhibitors, stabilizers, antioxidants, photopolymerization initiators, photobase generators, photoacid generators, and the like.
- the amount of these additives to be blended is preferably 1,000 parts by mass or less, more preferably 700 parts by mass or less per 100 parts by mass of the resin composition.
- a silane coupling agent having an acrylic group or a methacrylic group is particularly preferable from the viewpoint of heat resistance.
- the method of preparing the resin composition of the present invention is not particularly limited, but each component may be mixed uniformly or may be prepolymerized.
- the polyimide resin or terminal-modified polyimide resin and reactive compound of the present invention can be prepolymerized by heating in the presence or absence of a catalyst and in the presence or absence of a solvent.
- a catalyst for example, an extruder, kneader, rolls, etc. are used in the absence of a solvent, and a reactor equipped with a stirrer is used in the presence of a solvent.
- the resin composition of the present invention can be cured by heating.
- the curing temperature and curing time of the resin composition may be selected in consideration of the combination of the functional group possessed by the polyimide resin of the present invention and the reactive group possessed by the thermosetting resin.
- the curing temperature of the resin composition or the resin composition containing an epoxy resin is preferably 120 to 250° C., and the curing time is generally several tens of minutes to several hours.
- a prepreg can be obtained by heating and melting the resin composition of the present invention, reducing the viscosity, and impregnating reinforcing fibers such as glass fibers, carbon fibers, polyester fibers, polyamide fibers, and alumina fibers with the resin composition.
- a prepreg can also be obtained by impregnating reinforcing fibers with the varnish and heating and drying the varnish. After cutting the above prepreg into a desired shape and laminating it with copper foil or the like if necessary, the resin composition is heated and cured while applying pressure to the laminate by a press molding method, an autoclave molding method, a sheet winding molding method, or the like.
- Base materials (articles) comprising the cured product of the present invention, such as electronic laminates (printed wiring boards) and carbon fiber reinforcing materials, can be obtained.
- a polyimide film or LCP liquid crystal polymer
- heat curing is performed to obtain a base material provided with the cured product of the present invention.
- a base material provided with the cured product of the present invention can also be obtained by coating it on the polyimide film or LCP side and laminating it with a copper foil.
- a prepreg in which reinforcing fibers such as glass fiber, carbon fiber, polyester fiber, polyamide fiber, and alumina fiber are impregnated with the resin is laminated. It is also possible to obtain a substrate provided with the cured product of the present invention by heat-curing after heat-pressing.
- the substrate comprising the polyimide resin of the present invention can be used for copper clad laminates (CCL), printed wiring boards and multilayer wiring boards having circuit patterns on the copper foil of CCL.
- CCL copper clad laminates
- Example 1 (synthesis of polyimide resin 1 of the present invention) DAPBAF (2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro) was added to a 300 ml reactor equipped with a thermometer, reflux condenser, Dean-Stark apparatus, powder inlet, nitrogen inlet and stirring apparatus.
- DAPBAF 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro
- Propane (manufactured by Wakayama Seika Kogyo Co., Ltd., molecular weight 366.26 g / mol) 0.782 parts, PRIAMINE 1075 (manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol) 11.784 parts, BAFL (9,9-bis 5.723 parts of (4-aminophenyl)fluorene, manufactured by JFE Chemical Co., Ltd., molecular weight 348.16 g/mol) and 68.238 parts of anisole were added and heated to 70°C.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 14.987 parts of toluene are added, and the water generated due to the ring closure of amic acid is removed.
- a solution of imidized compound (P-1) (phenolic OH equivalent, 6,780 g/eq., molecular weight 78,600) was obtained by reacting at 130° C. for 8 hours while removing azeotropically with toluene.
- the molar ratio of the diamine component ((a1) component, (a2) component and (a3) component) and the acid anhydride component ((B) component) used in Example 1 (the number of moles of the diamine component/the number of the acid anhydride component The number of moles) is 1.01
- the number of moles of the compound (C) component having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group is MC
- Example 2 (synthesis of polyimide resin 2 of the present invention) DAPBAF (2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro) was added to a 300 ml reactor equipped with a thermometer, reflux condenser, Dean-Stark apparatus, powder inlet, nitrogen inlet and stirring apparatus.
- DAPBAF 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro
- Propane (manufactured by Wakayama Seika Kogyo Co., Ltd., molecular weight 366.26 g / mol) 0.782 parts, PRIAMINE 1075 (manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol) 11.784 parts, BAFL (9,9-bis 5.723 parts of (4-aminophenyl)fluorene, manufactured by JFE Chemical Co., Ltd., molecular weight 348.16 g/mol) and 66.814 parts of anisole were added and heated to 70°C.
- BPDA 3,3',4,4'-biphenyltetracarboxylic dianhydride, manufactured by Mitsubishi Chemical Corporation, molecular weight 294.22 g/mol) 11.768 parts, triethylamine 0.810 parts and toluene 14.884 and reacted at 130° C. for 8 hours while removing water generated due to ring closure of amic acid by azeotrope with toluene, imidized product (P-2) (phenolic OH equivalent, 6,701 g/eq. A solution with a molecular weight of 117,000 was obtained.
- the molar ratio of the diamine components (components (a1), (a2) and (a3)) and the acid anhydride component (component (B)) used in Example 2 (moles of diamine component/number of acid anhydride components)
- the number of moles) is 1.01
- the number of moles of the compound (C) component having a functional group and an ethylenically unsaturated double bond group that can react with a phenolic hydroxyl group is MC
- the phenol of the polyimide resin (P-2) MC/(MAB+MP) 0.85, where MAB is the number of moles of functional hydroxyl groups and MP is the number of moles of terminal functional groups of imidized compound (P-2).
- Example 3 (synthesis of polyimide resin 3 of the present invention) DAPBAF (2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro) was added to a 300 ml reactor equipped with a thermometer, reflux condenser, Dean-Stark apparatus, powder inlet, nitrogen inlet and stirring apparatus.
- Propane (manufactured by Wakayama Seika Kogyo Co., Ltd., molecular weight 366.26 g / mol) 0.782 parts, PRIAMINE 1075 (manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol) 11.784 parts, BAFL (9,9-bis 5.723 parts of (4-aminophenyl)fluorene, manufactured by JFE Chemical Co., Ltd., molecular weight 348.16 g/mol) and 68.238 parts of anisole were added and heated to 70°C.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 14.987 parts of toluene are added, and the water generated due to the ring closure of amic acid is removed.
- a solution of imidized product (P-3) (phenolic OH equivalent, 6,851 g/eq., molecular weight: 91,100) was obtained by reacting at 130° C. for 8 hours while azeotropically removing with toluene.
- the molar ratio of the diamine component ((a1) component, (a2) component and (a3) component) and the acid anhydride component ((B) component) used in Example 3 (the number of moles of the diamine component/the number of the acid anhydride component The number of moles) is 1.01
- the number of moles of the compound (C) component having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group is MC
- Example 4 (synthesis of polyimide resin 4 of the present invention) BAP (2,2-bis(3-amino-4-hydroxyphenyl)propane) was added to a 300 ml reactor equipped with a thermometer, reflux condenser, Dean-Stark apparatus, powder inlet, nitrogen inlet and stirring apparatus.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 14.950 parts of toluene are added, and the water generated due to ring closure of amic acid is removed.
- a solution of imidized product (P-4) (phenolic OH equivalent, 6,797 g/eq., molecular weight: 78,300) was obtained by reacting at 130° C. for 8 hours while azeotropically removing with toluene.
- the molar ratio of the diamine component ((a1) component, (a2) component and (a3) component) and the acid anhydride component ((B) component) used in Example 4 (moles of diamine component / number of acid anhydride components
- the number of moles) is 1.01
- the number of moles of the compound (C) component having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group is MC
- Example 5 Synthesis of polyimide resin 5 of the present invention
- DAPBAF 2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro
- Propane (manufactured by Wakayama Seika Kogyo Co., Ltd., molecular weight 366.26 g / mol) 0.782 parts, PRIAMINE 1075 (manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol) 11.784 parts, APPN (1,3-bis (3-Aminophenoxy)benzene (manufactured by JFE Chemical Co., Ltd., molecular weight: 292.34 g/mol) (4.801 parts) and anisole (66.190 parts) were added and heated to 70°C.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 14.950 parts of toluene are added, and the water generated due to ring closure of amic acid is removed.
- a solution of imidized product (P-5) (phenolic OH equivalent, 6,635 g/eq., molecular weight: 97,300) was obtained by reacting at 130° C. for 8 hours while azeotropically removing with toluene.
- Comparative Example 1 Synthesis of Comparative Polyimide Resin 1 (Synthesis of Comparative Polyimide Resin 1) DAPBAF (2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro) was added to a 300 ml reactor equipped with a thermometer, reflux condenser, Dean-Stark apparatus, powder inlet, nitrogen inlet and stirring apparatus.
- Propane (manufactured by Wakayama Seika Kogyo Co., Ltd., molecular weight 366.26 g / mol) 0.782 parts, PRIAMINE 1075 (manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol) 11.784 parts, BAFL (9,9-bis 5.723 parts of (4-aminophenyl)fluorene, manufactured by JFE Chemical Co., Ltd., molecular weight 348.16 g/mol) and 68.238 parts of anisole were added and heated to 70°C.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 14.987 parts of toluene are added, and the water generated due to the ring closure of amic acid is removed.
- a solution of Comparative Polyimide Resin 1 (phenolic OH equivalent, 6,851 g/eq., molecular weight 101,200) was obtained by reaction at 130° C. for 8 hours with azeotropic removal with toluene.
- the molar ratio of the diamine component ((a1) component, (a2) component and (a3) component) and the acid anhydride component ((B) component) used in Comparative Example 1 was 1.01.
- Comparative Example 2 Synthesis of Comparative Polyimide Resin 2
- 12.441 parts of PRIAMINE 1075 manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol
- PRIAMINE 1075 manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol
- 6.042 parts of BAFL 9,9-bis(4-aminophenyl)fluorene, JFE Chemical Co., Ltd., molecular weight 348.16 g/mol
- 68.671 parts of anisole were added and heated to 70°C.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 15.019 parts of toluene are added, and the water generated by the ring closure of the amic acid is removed.
- residual triethylamine and toluene were subsequently removed at 130°C to obtain a solution of comparative polyimide resin 2 (molecular weight: 110,900).
- the molar ratio of the diamine component ((a1) component, (a2) component and (a3) component) and the acid anhydride component ((B) component) used in Comparative Example 2 was 1.01.
- Comparative Example 3 Synthesis of Comparative Polyimide Resin 3) DAPBAF (2,2-bis(3-amino-4-hydroxyphenyl)hexafluoro) was added to a 300 ml reactor equipped with a thermometer, reflux condenser, Dean-Stark apparatus, powder inlet, nitrogen inlet and stirring apparatus.
- Propane manufactured by Wakayama Seika Kogyo Co., Ltd., molecular weight 366.26 g / mol) 0.799 parts
- PRIAMINE 1075 manufactured by Croda Japan Co., Ltd., molecular weight 534.38 g / mol
- anisole was heated to 70°C.
- ODPA oxydiphthalic anhydride, manufactured by Manac Co., Ltd., molecular weight 310.22 g/mol
- 0.810 parts of triethylamine and 15.492 parts of toluene are added, and the water generated due to the ring closure of amic acid is removed.
- a solution of imidized product (P-6) (phenolic OH equivalent, 4374 g/eq., molecular weight: 80,000) was obtained by reacting at 130° C. for 8 hours while azeotropically removing with toluene.
- the molar ratio of the diamine component ((a1) component, (a2) component and (a3) component) and the acid anhydride component ((B) component) used in Comparative Example 3 (the number of moles of the diamine component/the number of the acid anhydride component The number of moles) is 1.01
- the number of moles of the compound (C) component having a functional group capable of reacting with a phenolic hydroxyl group and an ethylenically unsaturated double bond group is MC
- each component in Table 1 is as follows.
- T9DA ultra-low roughness non-roughened electrolytic copper foil CF-T9DA-SV
- F9DA Fukuda Metal Foil & Powder Co., Ltd.
- Each resin composition obtained in Examples was applied and dried by heating at 120° C. for 10 minutes.
- the thickness of the coating film after drying was 30 ⁇ m.
- a PPE prepreg Metalwave 4000, manufactured by AGC nelco Co., Ltd.
- the obtained test piece was cut into a width of 10 mm, and the 90° peeling strength (peeling speed: 50 mm/min) between copper foils was measured using Autograph AGS-X-500N (manufactured by Shimadzu Corporation). Then, the adhesive strength with the PPE prepreg was evaluated. Table 1 shows the results.
- the stress at break, elongation at break, and elastic modulus are measured using Autograph AGS-X-500N (manufactured by Shimadzu Corporation), and the network analyzer 8719ET (manufactured by Agilent Technologies) is used to measure cavities. Permittivity and dielectric loss tangent at 10 GHz were measured by the resonance method. Table 1 shows the results.
- the resin compositions of the present invention are excellent in both adhesive strength and heat resistance and dielectric constant, whereas the resin compositions of Comparative Examples are inferior in adhesiveness and heat resistance. rice field.
- the polyimide resin having the specific structure of the present invention it is possible to provide a printed wiring board or the like having excellent properties such as heat resistance, mechanical properties, low dielectric properties and adhesiveness.
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Abstract
Description
また、近年では高速で大容量の次世代高周波無線用のプリント配線板の開発が行われており、上記の諸特性に加え、樹脂材料には低伝送損失であること、即ち低誘電・低誘電正接であることが求められている。
即ち本発明は、
(1)一分子中に少なくとも二個のアミノ基を有するアミノフェノール化合物(a1)、炭素数6乃至36の脂肪族ジアミノ化合物(a2)及びフェノール性水酸基を有さない芳香族ジアミノ化合物(a3)を含むアミノ化合物(A)と、四塩基酸二無水物(B)との共重合物であるポリアミック酸樹脂のイミド化物(P)と、フェノール性水酸基と反応し得る官能基及びエチレン性不飽和二重結合基を有する化合物(C)との反応物であるポリイミド樹脂、
(2)アミノフェノール化合物(a1)が、下記式(1)
(3)四塩基酸二無水物(B)が、下記式(3)乃至(7)
で表される化合物からなる群より選択される少なくとも一種を含む前項(1)に記載のポリイミド樹脂、
(4)化合物(C)が有するフェノール性水酸基と反応しうる官能基が、イソシアネート基又はカルボン酸クロリド基である前項(1)に記載のポリイミド樹脂、
(5)芳香族ジアミノ化合物(a3)が、下記式(8)乃至(11)
(6)前項(1)乃至(5)のいずれか一項に記載のポリイミド樹脂、熱硬化性樹脂及び硬化剤を含有する樹脂組成物、
(7)更に硬化剤を含有する前項(6)に記載の樹脂組成物、
(8)更にアクリル基を有するシランカップリング剤を含有する前項(6)に記載の樹脂組成物、
(9)前項(6)に記載の樹脂組成物の硬化物、及び
(10)前項(9)に記載の硬化物を備えた物品、
に関する。
先ず、本発明のポリイミド樹脂の中間原料であるイミド化物(P)について説明する。
イミド化物(P)の合成に用いられる(a1)成分は、一分子中に少なくとも二個のアミノ基と少なくとも一個のフェノール性水酸基を有する化合物であれば特に限定されない。(a1)成分の具体例としては、3,3’-ジアミノ-4,4’-ジヒドロキシジフェニルスルホン、3,3’-ジアミノ-4,4’-ジヒドロキシジフェニルエーテル、3,3’-ジアミノ-4,4’-ジヒドロキシビフェニル、3,3’-ジアミノ-4,4’-ジヒドロキシベンゾフェノン、2,2-ビス(3-アミノ-4-ヒドロキシフェニル)メタン、2,2-ビス(3-アミノ-4-ヒドロキシフェニル)エタン、2,2-ビス(3-アミノ-4-ヒドロキシフェニル)プロパン、1,3-ヘキサフルオロ-2,2-ビス(3-アミノ-4-ヒドロキシフェニル)プロパン及び9,9’-ビス(3-アミノ-4-ヒドロキシフェニル)フルオレン等が挙げられる。これらは1種を用いてもよく、2種以上を混合して用いてもよい。
尚、本明細書におけるフェノール性水酸基当量はJIS K-0070に準じた方法で測定した値を意味する。
イミド化物(P)の合成に用いられる(a2)成分は、一分子中に二個のアミノ基を有する炭素数6乃至36の脂肪族化合物であれば特に限定されない。(a2)成分中の脂肪族構造は直鎖、分岐鎖又は環状の何れであってもよく、前記の構造を併せ持つものでもよく、また、飽和の脂肪族及び不飽和の脂肪族の何れであってもよい。(a2)成分の具体例としては、ヘキサメチレンジアミン、1,3-ビス(アミノメチル)シクロヘキサン、1,3-ビスアミノメチルシクロヘキサン、ノルボルナンジアミン、イソホロンジアミン、ダイマージアミン、2-メチル-1,5-ジアミノペンタン、1,7-ジアミノヘプタン、1,8-ジアミノオクタン、1,9-ジアミノノナン、1,10-ジアミノデカン、1,11-ジアミノウンデカン、1,12-ジアミノドデカン、1,4-ビス(アミノメチル)シクロヘキサン、4,4’-メチレンビスシクロヘキシルアミン及び炭素数6乃至36のジアミノポリシロキサン等が挙げられる。これらは単独で用いてもよく、2種以上を混合して用いてもよい。また、ポリイミド樹脂の誘電特性の観点から、ダイマージアミンを用いることが好ましい。
イミド化物(P)の合成に用いられる(a3)成分は、前記の(a1)成分以外の芳香族ジアミノ化合物であって、一分子中に二個のアミノ基を有する芳香族系の化合物であれば特に限定されない。(a3)成分の具体例としては、m-フェニレンジアミン、p-フェニレンジアミン、m-トリレンジアミン、4,4’-ジアミノジフェニルエーテル、3,3’-ジメチル-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チオエーテル、3,3’-ジメチル-4,4’-ジアミノジフェニルチオエーテル、3,3’-ジエトキシ-4,4’-ジアミノジフェニルチオエーテル、3,3’-ジアミノジフェニルチオエーテル、4,4’-ジアミノベンゾフェノン、3,3’-ジメチル-4,4’-ジアミノベンゾフェノン、3,3’-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、3,4’-ジアミノジフェニルメタン、3,3’-ジメトキシ-4,4’-ジアミノジフェニルチオエーテル、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、4,4’-ジアミノジフェニルスルフォキサイド、3,3’-ジアミノジフェニルスルフォンスルホン、4,4’-ジアミノジフェニルスルフォンスルホン、ベンチジン、3,3’-ジメチルベンチジン、3,3’-ジメトキシベンチジン、3,3’-ジアミノビフェニル、p-キシリレンジアミン、m-キシリレンジアミン、o-キシリレンジアミン、2,2’-ビス(3-アミノフェノキシフェニル)プロパン、2,2’-ビス(4-アミノフェノキシフェニル)プロパン、1,3-ビス(4-アミノフェノキシフェニル)ベンゼン、1,3’-ビス(3-アミノフェノキシフェニル)プロパン、ビス(4-アミノ-3-メチルフェニル)メタン、ビス(4-アミノ-3,5-ジメチルフェニル)メタン、ビス(4-アミノ-3-エチルフェニル)メタン、ビス(4-アミノ-3,5-ジエチルフェニル)メタン、ビス(4-アミノ-3-プロピルフェニル)メタン及びビス(4-アミノ-3,5-ジプロピルフェニル)メタン等が挙げられる。これらは単独で用いてもよく、2種以上を混合して用いてもよい。
このように、アミノ化合物(A)は、少なくとも、アミノフェノール化合物(a1)、脂肪族ジアミノ化合物(a2)及び芳香族ジアミノ化合物(a3)から構成される。本発明の趣旨を逸脱しない限り、アミノフェノール化合物(a1)、脂肪族ジアミノ化合物(a2)及び芳香族ジアミノ化合物(a3)以外の別のアミノ化合物を、アミノ化合物(A)としてさらに使用してもよいが、アミノフェノール化合物(a1)、脂肪族ジアミノ化合物(a2)及び芳香族ジアミノ化合物(a3)以外の別のアミノ化合物は使用しない方が好ましい。
イミド化物(P)の合成に用いられる(B)成分は、一分子中に二個の酸無水物基を有するものであれば特に限定されない。(B)成分の具体例としては、無水ピロメリット酸、エチレングリコール-ビス(アンヒドロトリメリテート)、グリセリン-ビス(アンヒドロトリメリテート)モノアセテート、1,2,3,4-ブタンテトラカルボン酸二無水物、3,3’,4,4’-ジフェニルスルホンテトラカルボン酸二無水物、3,3’,4,4’-ベンゾフェノンテトラカルボン酸二無水物、3,3’,4,4’-ビフェニルテトラカルボン酸二無水物、3,3’,4,4’-ジフェニルエーテルテトラカルボン酸二無水物、5-(2,5-ジオキソテトラヒドロ-3-フラニル)-3-メチルシクロヘキセン-1,2-ジカルボン酸無水物、3a,4,5,9b-テトラヒドロ-5-(テトラヒドロ-2,5-ジオキソ-3-フラニル)-ナフト[1,2-c]フラン-1,3-ジオン、1,2,4,5-シクロヘキサンテトラカルボン酸二無水物、ビシクロ(2,2,2)-オクト-7-エン-2,3,5,6-テトラカルボン酸二無水物及びビシクロ[2.2.2]オクタン-2,3,5,6-テトラカルボン酸二無水物、5,5’-((プロパン-2,2-ジイルビス(4,1-フェニレン))ビス(オキシ))ビス(イソベンゾフラン-1,3-ジオン)等が挙げられる。なかでも、溶剤溶解性、基材への密着性及び感光性の面から、3,3’,4,4’-ジフェニルスルホンテトラカルボン酸二無水物、3,3’,4,4’-ベンゾフェノンテトラカルボン酸二無水物、3,3’,4,4’-ビフェニルテトラカルボン酸二無水物又は3,3’,4,4’-ジフェニルエーテルテトラカルボン酸二無水物が好ましい。これらは単独で用いてもよく、2種以上を混合して用いてもよい。
イミド化物(P)との反応に用いられる(C)成分は、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物であれば特に限定されない。イミド化物(P)の有するフェノール性水酸基と(C)成分の反応物である本発明のポリイミド樹脂は、(C)成分由来のエチレン性不飽和二重結合基が互いにもしくは後述する熱硬化性樹脂と反応し得るため、樹脂組成物の硬化物の優れた耐熱性と接着性が両立する。また、イミド化物(P)のフェノール性水酸基を(C)成分と反応させることによって、ポリイミド樹脂の粘度を下げ、基材に対するラミネート性が向上する傾向にある。
尚、(C)成分が有するエチレン性不飽和二重結合基は、C=C結合であれば特に限定されない。
また、(A)成分のモル数をMA、(B)成分のモル数をMBとし、MA/MB>1.0の関係を満たす量の(A)成分と(B)成分を共重合させ得られるイミド化物(P)は、末端がアミンであるため、(C)成分が有するフェノール性水酸基と反応しうる官能基がイソシアネート基、カルボン酸クロリド基、酸無水物基、エポキシ基、シリルクロリド基、ハロゲン化アルキル基、エステル基、スルホニルクロリド基及びカルボキシル基の時、イミド化物(P)の末端アミンと反応し得る。
一方、(A)成分のモル数をMA、(B)成分のモル数をMBとし、MA/MB<1.0の関係を満たす量の(A)成分と(B)成分を共重合させ得られるイミド化物(P)は、末端が酸無水物であるため、(C)成分が有するフェノール性水酸基と反応しうる官能基がイソシアネート基、エポキシ基、およびカルボキシル基の時、イミド化物(P)の末端酸無水物基と反応し得る。
本発明の樹脂組成物は、イミド化物(P)と(C)成分との反応物であるポリイミド樹脂、熱硬化性樹脂(化合物)及び硬化剤を含有することができる。
本発明の樹脂組成物が含有する熱硬化性樹脂(化合物)の具体例としては、エポキシ樹脂、マレイミド樹脂、カルボジイミド樹脂、ベンゾオキサジン化合物及びエチレン性不飽和基を有する化合物等が挙げられる。これらの樹脂または化合物は、得られる硬化物の物性および用途に応じて、1種類単独または2種類以上を適宜混合して使用することができる。
本発明の樹脂組成物においては、ポリイミド樹脂に熱硬化性樹脂(化合物)を併用することにより、樹脂組成物の硬化物に熱安定性と高い接着性を付与することができる。
尚、本発明のポリイミド樹脂の合成に用いられる(A)成分のモル数をMA、(B)成分のモル数をMB、(C)成分のモル数をMC、イミド化物(P)のフェノール性水酸基のモル数をMAB、イミド化物(P)の末端官能基のモル数をMPとした場合に、MA/MBの値が1.0を超え、かつMC/(MAB+MP)の値が0を超えて1.0未満であるポリイミド樹脂に関しては、熱硬化性樹脂として、エポキシ樹脂を使用することも好ましい。
マレイミド樹脂は、本発明のポリイミド樹脂のエチレン性不飽和二重結合基と反応させることを目的に加えられ、これにより硬化物の架橋密度が増加し、極性溶剤への耐性が向上すると共に、基材への密着性や耐熱性が向上する。
マレイミド樹脂を含有する樹脂組成物の硬化温度は、150乃至250℃が好ましい。硬化時間は硬化温度に依存するが、概ね数分間乃至数時間程度である。
マレイミド樹脂を含有する本発明の樹脂組成物におけるマレイミド樹脂の含有量は、ポリイミド樹脂のエチレン性不飽和二重結合基1当量に対するマレイミド樹脂のマレイミド基当量が0.1乃至500当量となる量が好ましい。
マレイミド樹脂を含有する本発明の樹脂組成物におけるラジカル開始剤の添加量は、マレイミド樹脂に対して0.1乃至10質量%である。
エポキシ樹脂は、ポリイミド樹脂のフェノール性水酸基又は末端アミノ基若しくは酸無水物基と反応させることを目的に加えられ、これにより硬化物の架橋密度が増加し、極性溶剤への耐性が向上すると共に、基材への密着性や耐熱性が向上する。
エポキシ樹脂を含有する樹脂組成物の硬化温度は、150乃至250℃が好ましい。硬化時間は硬化温度に依存するが、概ね数分間乃至数時間程度である。
エポキシ樹脂を含有する本発明の樹脂組成物における硬化剤の添加量は、エポキシ樹脂に対して0.1乃至10質量%である。
エチレン性不飽和基を有する化合物の具体例としては、メチル(メタ)アクリレート、エチル(メタ)アクリレート、ブチル(メタ)アクリレート、ラウリル(メタ)アクリレート、ポリエチレングリコール(メタ)アクリレート、ポリエチレングリコール(メタ)アクリレートモノメチルエーテル、フェニルエチル(メタ)アクリレート、イソボルニル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、ベンジル(メタ)アクリレート、テトラヒドロフルフリル(メタ)アクリレート、ブタンジオールジ(メタ)アクリレート、ヘキサンジオールジ(メタ)アクリレート、ネオペンチルグリコールジ(メタ)アクリレート、ノナンジオールジ(メタ)アクリレート、グリコールジ(メタ)アクリレート、ジエチレンジ(メタ)アクリレート、ポリエチレングリコールジ(メタ)アクリレート、トリス(メタ)アクリロイルオキシエチルイソシアヌレート、ポリプロピレングリコールジ(メタ)アクリレート、アジピン酸エポキシジ(メタ)アクリレート、ビスフェノールエチレンオキサイドジ(メタ)アクリレート、水素化ビスフェノールエチレンオキサイド(メタ)アクリレート、ビスフェノールジ(メタ)アクリレート、ε-カプロラクトン変性ヒドロキシピバリン酸ネオペングリコールジ(メタ)アクリレート、ε-カプロラクトン変性ジペンタエリスリトールヘキサ(メタ)アクリレート、ε-カプロラクトン変性ジペンタエリスリトールポリ(メタ)アクリレート、ジペンタエリスリトールポリ(メタ)アクリレート、トリメチロールプロパントリ(メタ)アクリレート、トリエチロールプロパントリ(メタ)アクリレート、及びそのエチレンオキサイド付加物;ペンタエリスリトールトリ(メタ)アクリレート、及びそのエチレンオキサイド付加物;ペンタエリスリトールテトラ(メタ)アクリレート、ジペンタエリスリトールヘキサ(メタ)アクリレート、及びそのエチレンオキサイド付加物等が挙げられる。
エチレン性不飽和基を有する化合物を含有する本発明の樹脂組成物におけるラジカル開始剤の添加量は、全組成物中のエチレン性不飽和基に対して0.1乃至10質量%である。
有機溶剤は、ワニス中の有機溶剤を除く固形分濃度が好ましくは10乃至80質量%、より好ましくは20乃至70質量%となる範囲で使用する。
樹脂組成物の硬化温度及び硬化時間は、本発明のポリイミド樹脂が有する官能基と熱硬化性樹脂が有する反応性基との組合せ等を考慮し選択すればよいが、例えば、マレイミド樹脂を含有する樹脂組成物やエポキシ樹脂を含有する樹脂組成物の硬化温度は、120乃至250℃が好ましく、硬化時間は概ね数十分間乃至数時間程度である。
上記のプリプレグを所望の形に裁断、必要により銅箔などと積層後、積層物にプレス成形法やオートクレーブ成形法、シートワインディング成形法などで圧力をかけながら樹脂組成物を加熱硬化させることにより電気電子用積層板(プリント配線板)や炭素繊維強化材等の本発明の硬化物を備えた基材(物品)を得ることができる。
また、銅箔に塗工し溶剤媒を乾燥させた後、ポリイミドフィルムもしくはLCP(液晶ポリマー)を積層させ、熱プレス後、加熱硬化することにより本発明の硬化物を備えた基材を得ることもできる。場合によりポリイミドフィルムもしくはLCP側に塗工し、銅箔と積層することで本発明の硬化物を備えた基材を得ることもできる。
さらに、本発明の樹脂組成物を銅箔に塗工し溶剤媒を乾燥させた後、樹脂をガラス繊維、カーボン繊維、ポリエステル繊維、ポリアミド繊維、アルミナ繊維などの強化繊維に含浸させたプリプレグを積層させ、熱プレス後、加熱硬化することにより本発明の硬化物を備えた基材を得ることもできる。
機種:TOSOH ECOSEC Elite HLC-8420GPC
カラム:TSKgel Super AWM-H
溶離液:NMP(N-メチルピロリドン);0.5ml/分、40℃
検出器:UV(示差屈折計)
分子量標準:ポリスチレン
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、DAPBAF(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)ヘキサフルオロプロパン)(和歌山精化工業株式会社製、分子量366.26g/mol)0.782部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)11.784部、BAFL(9,9-ビス(4-アミノフェニル)フルオレン、JFEケミカル株式会社製、分子量348.16g/mol)5.723部、及びアニソール68.238部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン14.987部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させイミド化物(P-1)(フェノール性OH当量、6,780g/eq.、分子量78,600)溶液を得た。続いて、カレンズMOI(昭和電工株式会社製、分子量155.15g/mol)0.663部、重合禁止剤としてBHT(2,6-ジ-tert-ブチル-p-クレゾール)0.088部を入れ、130℃で4時間反応させた後、残留するトリエチルアミンとトルエンを引き続き130℃で除去することによって本発明のポリイミド樹脂1溶液を得た。実施例1で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01、また、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物(C)成分のモル数をMC、イミド化物(P-1)のフェノール性水酸基のモル数をMAB、イミド化物(P-1)の末端官能基のモル数をMPとすると、MC/(MAB+MP)=0.85であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、DAPBAF(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)ヘキサフルオロプロパン)(和歌山精化工業株式会社製、分子量366.26g/mol)0.782部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)11.784部、BAFL(9,9-ビス(4-アミノフェニル)フルオレン、JFEケミカル株式会社製、分子量348.16g/mol)5.723部、及びアニソール66.814部を入れて70℃に加熱した。次いで、BPDA(3,3‘,4,4’-ビフェニルテトラカルボン酸二無水物、三菱ケミカル株式会社製、分子量294.22g/mol)11.768部、トリエチルアミン0.810部及びトルエン14.884部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させイミド化物(P-2)(フェノール性OH当量、6,701g/eq.、分子量117,000)溶液を得た。続いて、カレンズMOI(昭和電工株式会社製、分子量155.15g/mol)0.663部、重合禁止剤としてBHT(2,6-ジ-tert-ブチル-p-クレゾール)0.086部を入れ、130℃で4時間反応させた後、残留するトリエチルアミンとトルエンを引き続き130℃で除去することによって本発明のポリイミド樹脂2溶液を得た。実施例2で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01、また、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物(C)成分のモル数をMC、ポリイミド樹脂(P-2)のフェノール性水酸基のモル数をMAB、イミド化物(P-2)の末端官能基のモル数をMPとすると、MC/(MAB+MP)=0.85であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、DAPBAF(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)ヘキサフルオロプロパン)(和歌山精化工業株式会社製、分子量366.26g/mol)0.782部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)11.784部、BAFL(9,9-ビス(4-アミノフェニル)フルオレン、JFEケミカル株式会社製、分子量348.16g/mol)5.723部、及びアニソール68.238部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン14.987部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させイミド化物(P-3)(フェノール性OH当量、6,851g/eq.、分子量91,100)溶液を得た。続いて、メタクリル酸クロリド(東京化成式会社製、分子量104.53g/mol)0.992部、重合禁止剤としてBHT(2,6-ジ-tert-ブチル-p-クレゾール)0.088部を入れ、130℃で4時間反応させた後、残留するトリエチルアミンとトルエンを引き続き10℃で除去することによって本発明のポリイミド樹脂3溶液を得た。実施例3で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01、また、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物(C)成分のモル数をMC、イミド化物(P-3)のフェノール性水酸基のモル数をMAB、イミド化物(P-3)の末端官能基のモル数をMPとすると、MC/(MAB+MP)=0.85であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、BAP(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)プロパン)(東京化成株式会社製、分子量258.32g/mol)0.552部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)11.784部、BAFL(9,9-ビス(4-アミノフェニル)フルオレン、JFEケミカル株式会社製、分子量348.16g/mol)5.723部、及びアニソール67.726部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン14.950部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させイミド化物(P-4)(フェノール性OH当量、6,797g/eq.、分子量78,300)溶液を得た。続いて、カレンズMOI(昭和電工株式会社製、分子量155.15g/mol)0.446部、重合禁止剤としてBHT(2,6-ジ-tert-ブチル-p-クレゾール)0.087部を入れ、130℃で4時間反応させた後、残留するトリエチルアミンとトルエンを引き続き130℃で除去することによって本発明のポリイミド樹脂4溶液を得た。実施例4で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01、また、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物(C)成分のモル数をMC、イミド化物(P-4)のフェノール性水酸基のモル数をMAB、ポリイミド樹脂(P-4)の末端官能基のモル数をMPとすると、MC/(MAB+MP)=0.85であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、DAPBAF(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)ヘキサフルオロプロパン)(和歌山精化工業株式会社製、分子量366.26g/mol)0.782部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)11.784部、APPN(1,3-ビス(3-アミノフェノキシ)ベンゼン、JFEケミカル株式会社製、分子量292.34g/mol)4.801部、及びアニソール66.190部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン14.950部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させイミド化物(P-5)(フェノール性OH当量、6,635g/eq.、分子量97,300)溶液を得た。続いて、カレンズMOI(昭和電工株式会社製、分子量155.15g/mol)0.663部、重合禁止剤としてBHT(2,6-ジ-tert-ブチル-p-クレゾール)0.085部を入れ、130℃で4時間反応させた後、残留するトリエチルアミンとトルエンを引き続き130℃で除去することによって本発明のポリイミド樹脂5溶液を得た。実施例5で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01、また、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物(C)成分のモル数をMC、イミド化物(P-5)のフェノール性水酸基のモル数をMAB、ポリイミド樹脂(P-5)の末端官能基のモル数をMPとすると、MC/(MAB+MP)=0.85であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、DAPBAF(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)ヘキサフルオロプロパン)(和歌山精化工業株式会社製、分子量366.26g/mol)0.782部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)11.784部、BAFL(9,9-ビス(4-アミノフェニル)フルオレン、JFEケミカル株式会社製、分子量348.16g/mol)5.723部、及びアニソール68.238部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン14.987部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させることによって比較用ポリイミド樹脂1(フェノール性OH当量、6,851g/eq.、分子量101,200)溶液を得た。比較例1で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)12.441部、BAFL(9,9-ビス(4-アミノフェニル)フルオレン、JFEケミカル株式会社製、分子量348.16g/mol)6.042部、及びアニソール68.671部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン15.019部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させた後、残留するトリエチルアミンとトルエンを引き続き130℃で除去することによって比較用ポリイミド樹脂2(分子量110,900)溶液を得た。比較例2で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01であった。
温度計、還流冷却器、ディーンスターク装置、粉体導入口、窒素導入装置及び撹拌装置を取り付けた300mlの反応器に、DAPBAF(2,2-ビス(3-アミノ-4-ヒドロキシフェニル)ヘキサフルオロプロパン)(和歌山精化工業株式会社製、分子量366.26g/mol)0.799部、PRIAMINE1075(クローダジャパン株式会社製、分子量534.38g/mol)20.620部、及びアニソール75.196部を入れて70℃に加熱した。次いで、ODPA(オキシジフタル酸無水物、マナック株式会社製、分子量310.22g/mol)12.409部、トリエチルアミン0.810部及びトルエン15.492部を加え、アミック酸の閉環に伴い生成した水をトルエンとの共沸で除去しながら130℃で8時間反応させイミド化物(P-6)(フェノール性OH当量、4374g/eq.、分子量80,000)溶液を得た。続いて、カレンズMOI(昭和電工株式会社製、分子量155.15g/mol)0.677部、重合禁止剤としてBHT(2,6-ジ-tert-ブチル-p-クレゾール)0.097部を入れ、130℃で4時間反応させた後、残留するトリエチルアミンとトルエンを引き続き130℃で除去することによって比較用ポリイミド樹脂3溶液を得た。比較例3で用いたジアミン成分((a1)成分、(a2)成分及び(a3)成分)と酸無水物成分((B)成分)のモル比(ジアミン成分のモル数/酸無水物成分のモル数)は1.01、また、フェノール性水酸基と反応し得る官能基とエチレン性不飽和二重結合基を有する化合物(C)成分のモル数をMC、イミド化物(P-6)のフェノール性水酸基のモル数をMAB、ポリイミド樹脂溶液の末端官能基のモル数をMPとすると、MC/(MAB+MP)=0.85であった。
表1に示した配合量(単位は「部」、ポリイミド樹脂、マレイミド樹脂の部数は、溶剤を含まない固形分換算での部数である)で各成分を配合した後、固形分濃度が20質量%となる量のアニソールを溶剤として追加して均一に混合することにより、本発明及び比較用の樹脂組成物をそれぞれ調整した。
<ポリイミド樹脂>
ポリイミド樹脂1乃至5;実施例1乃至5で得られた本発明のポリイミド樹脂
比較用ポリイミド樹脂1乃至3;比較例1乃至3で得られた比較用のポリイミド樹脂
<熱硬化性樹脂>
MIR-3000-70MT;マレイミド樹脂、日本化薬(株)製
XD-1000;エポキシ樹脂、日本化薬(株)製
ZXR-1889H;エポキシアクリレート樹脂、日本化薬(株)製
<硬化剤>
DCP;ジクミルパーオキシド、化薬ヌーリオン(株)製
<添加剤>
KR-513;シランカップリング剤、信越化学(株)製
TT-LX;潤滑油添加剤、城北化学(株)製
福田金属箔粉工業株式会社製の超低粗度無粗化処理電解銅箔CF-T9DA-SV(以下、「T9DA」と記載する)の粗面に、オートマチックアプリケータを用いて実施例及び比較例で得られた各樹脂組成物をそれぞれ塗布し、120℃で10分間加熱乾燥した。乾燥後の塗膜の厚さは30μmであった。前記で得られた銅箔上の塗膜にPPEプリプレグ(Meteorwave4000、AGC nelco(株)製)を重ね合わせ、200℃で60分間、3MPaの条件で真空プレスした。得られた試験片を10mm幅に切り出し、オートグラフAGS-X-500N(株式会社島津製作所製)を用いて、銅箔間の90°引きはがし強さ(引き剥がし速度は50mm/min)を測定し、PPEプリプレグとの接着強度を評価した。結果を表1に示した。
上記「接着強度の評価」と同じ方法で作製した試験片を、POT-200C(太洋電機産業株式会社製)で288℃に熱したハンダ浴にフロートさせ、フクレが出るまでの時間により熱特性を評価した。結果を表1に示した。表中の記号の意味を下記する。
〇・・・半田浴に試験片をフロート後、フクレが出るまでの時間が600秒以上
×・・・半田浴に試験片をフロート後、600秒未満でフクレが発生
オートマチックアプリケータの塗工厚を変更した以外は上記の「接着強度の評価」と同じ方法で、T9DAの粗面上に乾燥後の厚さが100μmの塗膜をそれぞれ形成し、200℃で60分間加熱硬化した。液比重45ボーメ度の塩化鉄(III)溶液でエッチングして銅箔を除去し、イオン交換水で洗浄後、105℃で10分間乾燥することでフィルム状の硬化物をそれぞれ得た。フィルム状の硬化物について、オートグラフAGS-X-500N(株式会社島津製作所製)を用いて破断点応力、破断点伸度、弾性率を、またネットワークアナライザー8719ET(アジレントテクノロジー製)を用いて空洞共振法によって10GHzにおける誘電率及び誘電正接を測定した。結果を表1に示した。
Claims (10)
- 一分子中に少なくとも二個のアミノ基を有するアミノフェノール化合物(a1)、炭素数6乃至36の脂肪族ジアミノ化合物(a2)及びフェノール性水酸基を有さない芳香族ジアミノ化合物(a3)を含むアミノ化合物(A)と、四塩基酸二無水物(B)との共重合物であるポリアミック酸樹脂のイミド化物(P)と、フェノール性水酸基と反応し得る官能基及びエチレン性不飽和二重結合基を有する化合物(C)との反応物であるポリイミド樹脂。
- 化合物(C)が有するフェノール性水酸基と反応しうる官能基が、イソシアネート基又はカルボン酸クロリド基である請求項1に記載のポリイミド樹脂。
- 請求項1乃至5のいずれか一項に記載のポリイミド樹脂及び熱硬化性樹脂を含有する樹脂組成物。
- 更に硬化剤を含有する請求項6に記載の樹脂組成物。
- 更にアクリル基を有するシランカップリング剤を含有する請求項6に記載の樹脂組成物。
- 請求項6に記載の樹脂組成物の硬化物。
- 請求項9に記載の硬化物を備えた物品。
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JP2008050401A (ja) * | 2006-08-22 | 2008-03-06 | Shin Etsu Chem Co Ltd | アルカリ水溶液に可溶な感光性ポリイミド樹脂、該樹脂を含む組成物、及び該組成物から得られる膜 |
WO2020189354A1 (ja) * | 2019-03-15 | 2020-09-24 | 日本化薬株式会社 | ポリアミック酸樹脂、ポリイミド樹脂およびこれらを含む樹脂組成物 |
WO2020209625A1 (ko) * | 2019-04-09 | 2020-10-15 | 주식회사 엘지화학 | 폴리아미드-이미드 블록 공중합체, 이의 제조방법 및 이를 포함하는 폴리아미드-이미드 필름 |
WO2021085072A1 (ja) * | 2019-10-28 | 2021-05-06 | 富士フイルム株式会社 | パターン形成方法、感光性樹脂組成物、積層体の製造方法、及び、半導体デバイスの製造方法 |
WO2021187355A1 (ja) * | 2020-03-18 | 2021-09-23 | 東レ株式会社 | 感光性樹脂組成物、感光性シート、硬化膜、硬化膜の製造方法、電子部品、アンテナ素子、半導体パッケージおよび表示装置 |
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JP2018168369A (ja) | 2017-03-29 | 2018-11-01 | 荒川化学工業株式会社 | ポリイミド、接着剤、フィルム状接着材、接着層、接着シート、樹脂付銅箔、銅張積層板、プリント配線板、並びに多層配線板及びその製造方法 |
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- 2022-06-01 CN CN202280051746.8A patent/CN117693544A/zh active Pending
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JP2008050401A (ja) * | 2006-08-22 | 2008-03-06 | Shin Etsu Chem Co Ltd | アルカリ水溶液に可溶な感光性ポリイミド樹脂、該樹脂を含む組成物、及び該組成物から得られる膜 |
WO2020189354A1 (ja) * | 2019-03-15 | 2020-09-24 | 日本化薬株式会社 | ポリアミック酸樹脂、ポリイミド樹脂およびこれらを含む樹脂組成物 |
WO2020209625A1 (ko) * | 2019-04-09 | 2020-10-15 | 주식회사 엘지화학 | 폴리아미드-이미드 블록 공중합체, 이의 제조방법 및 이를 포함하는 폴리아미드-이미드 필름 |
WO2021085072A1 (ja) * | 2019-10-28 | 2021-05-06 | 富士フイルム株式会社 | パターン形成方法、感光性樹脂組成物、積層体の製造方法、及び、半導体デバイスの製造方法 |
WO2021187355A1 (ja) * | 2020-03-18 | 2021-09-23 | 東レ株式会社 | 感光性樹脂組成物、感光性シート、硬化膜、硬化膜の製造方法、電子部品、アンテナ素子、半導体パッケージおよび表示装置 |
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KR20240038743A (ko) | 2024-03-25 |
JPWO2023013224A1 (ja) | 2023-02-09 |
CN117693544A (zh) | 2024-03-12 |
TW202340323A (zh) | 2023-10-16 |
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