JP2016150959A - Thermosetting resin composition, prepreg, and laminated plate - Google Patents
Thermosetting resin composition, prepreg, and laminated plate Download PDFInfo
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- JP2016150959A JP2016150959A JP2015028101A JP2015028101A JP2016150959A JP 2016150959 A JP2016150959 A JP 2016150959A JP 2015028101 A JP2015028101 A JP 2015028101A JP 2015028101 A JP2015028101 A JP 2015028101A JP 2016150959 A JP2016150959 A JP 2016150959A
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- Prior art keywords
- thermosetting resin
- laminated
- resin composition
- average particle
- particle diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 72
- 239000011342 resin composition Substances 0.000 title claims abstract description 40
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000002245 particle Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 42
- 239000011347 resin Substances 0.000 claims abstract description 42
- 239000011256 inorganic filler Substances 0.000 claims abstract description 34
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 34
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 32
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims description 50
- 239000002184 metal Substances 0.000 claims description 50
- 239000011888 foil Substances 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000002759 woven fabric Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 5
- 238000002845 discoloration Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000002310 reflectometry Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 19
- 239000002966 varnish Substances 0.000 description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 14
- 239000011889 copper foil Substances 0.000 description 13
- 239000010953 base metal Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000003822 epoxy resin Substances 0.000 description 8
- 239000003365 glass fiber Substances 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 8
- 229920000647 polyepoxide Polymers 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229910052580 B4C Inorganic materials 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- -1 magnesium hydroxide Chemical compound 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
- B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/28—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/07—Parts immersed or impregnated in a matrix
- B32B2305/076—Prepregs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本発明は、熱硬化性樹脂組成物、前記熱硬化性樹脂組成物を用いたプリプレグ、および、前記プリプレグを用いた積層板に関するものである。 The present invention relates to a thermosetting resin composition, a prepreg using the thermosetting resin composition, and a laminate using the prepreg.
近年の電力省力化の取り組みに伴い、ＬＥＤ照明に代表される発光ダイオードを用いた電子機器が普及している。このような発光ダイオードとしては電子機器の小型化・薄型化の観点から基板表面に素子を直接実装したチップＬＥＤが増加してきている。ＬＥＤ素子を実装する基板としては、従来から熱硬化性樹脂を含浸した繊維状補強基材の層を１枚または複数枚積層し加熱加圧成形した積層板が使用されている。特に青色・白色のチップＬＥＤでは可視光短波長領域の反射が重要であることから、例えば特許文献１に開示されているような熱硬化性樹脂に着色顔料として二酸化チタン等を含有させた白色基板が使用されている。 With recent efforts to save power, electronic devices using light-emitting diodes typified by LED lighting have become widespread. As such light emitting diodes, chip LEDs in which elements are directly mounted on a substrate surface are increasing from the viewpoint of miniaturization and thinning of electronic devices. As a substrate on which an LED element is mounted, a laminated plate obtained by laminating one or a plurality of fibrous reinforcing base materials impregnated with a thermosetting resin and then heat-pressing the layer is used. In particular, since reflection in the short wavelength region of visible light is important for blue and white chip LEDs, for example, a white substrate containing titanium dioxide or the like as a color pigment in a thermosetting resin as disclosed in Patent Document 1 Is used.
一方でチップＬＥＤ等の発熱を伴う電子部品を実装する基板については、従来の基板では放熱性に問題があることから、このような問題を解決するために、例えば特許文献２で開示されているような不織繊維基材に無機充填材を含有する熱硬化性樹脂組成物を含浸した芯材層の両表面に、織繊維基材に樹脂組成物を含浸した表材層を積層一体化したコンポジット積層板が提案されている。 On the other hand, a substrate on which electronic components with heat generation such as chip LEDs are mounted has a problem in heat dissipation with a conventional substrate, and is disclosed in Patent Document 2, for example, in order to solve such a problem. On both surfaces of the core material layer impregnated with a thermosetting resin composition containing an inorganic filler on such a non-woven fiber base material, a surface material layer impregnated with the resin composition on a woven fiber base material was laminated and integrated. Composite laminates have been proposed.
従来の白色基板では、顔料として二酸化チタンおよび酸化アルミニウム等を用いているためＬＥＤ素子の発光を可視光領域において効率的に反射する点においてはメリットがあった。しかしながら、熱伝導率が低いために発熱を伴う電子部品の熱を放熱するのに十分な放熱性が得られないと言う問題点があった。また、従来の白色基板には難燃性が付与されていないため、安全面から求められるＵＬ−９４でＶ−０を達成することは困難であった。 Since the conventional white substrate uses titanium dioxide, aluminum oxide or the like as a pigment, there is a merit in that the light emitted from the LED element is efficiently reflected in the visible light region. However, there is a problem that heat dissipation is not sufficient to dissipate the heat of the electronic component that generates heat due to low thermal conductivity. In addition, since flame retardance is not imparted to conventional white substrates, it has been difficult to achieve V-0 with UL-94, which is required from a safety aspect.
一方、従来のコンポジット積層板では、コンポジット構成により熱伝導性、耐熱性、ドリル加工性および難燃性に優れるというメリットがあった。しかしながら、表材層と芯材層からなるコンポジット構成であるために、薄葉化することが困難であり、熱抵抗の観点で制約を受けるという問題があった。 On the other hand, the conventional composite laminate has the merit of being excellent in thermal conductivity, heat resistance, drilling workability and flame retardancy due to the composite structure. However, since it is a composite structure composed of a surface material layer and a core material layer, it has been difficult to reduce the thickness, and there has been a problem that it is restricted in terms of thermal resistance.
また、可視光領域での反射率が低く、かつ熱による反射率の低下が大きいためにチップＬＥＤを実装する場合、白色レジストを塗布する必要があるという問題があった。さらに、芯材層にガラス不織布を用いるために、厚さ方向の膨張係数が大きく、信頼性が必要とされる用途への適用が困難であった。 In addition, since the reflectance in the visible light region is low and the decrease in reflectance due to heat is large, there is a problem that when a chip LED is mounted, it is necessary to apply a white resist. Furthermore, since a glass nonwoven fabric is used for the core material layer, the coefficient of expansion in the thickness direction is large, making it difficult to apply to applications that require reliability.
そこで、本発明は前記の点を鑑み、熱伝導性、可視光領域反射率、耐変色性、絶縁性、難燃性、およびドリル加工性の全てにおいて優れており、かつ薄葉化を可能にする積層板を提供することを最終目的とし、さらに、この目的を達成するための熱硬化性樹脂組成物およびプリプレグを提供することを目的とする。 Therefore, in view of the above points, the present invention is excellent in all of thermal conductivity, visible light region reflectance, discoloration resistance, insulation, flame retardancy, and drill workability, and enables thinning. It is an object of the present invention to provide a laminated board, and further to provide a thermosetting resin composition and a prepreg for achieving this object.
本発明の熱硬化性樹脂組成物は、熱硬化性樹脂１００重量部に対し、無機充填材を１００〜４００重量部含有する熱硬化性樹脂組成物であって、前記無機充填剤として、０．１〜１．０μｍの平均粒子径を有する二酸化チタン、および、１．０〜２０．０μｍの平均粒子径を有する水酸化アルミニウムを少なくとも有することを特徴とする。 The thermosetting resin composition of the present invention is a thermosetting resin composition containing 100 to 400 parts by weight of an inorganic filler with respect to 100 parts by weight of the thermosetting resin. It has at least titanium dioxide having an average particle diameter of 1 to 1.0 μm and aluminum hydroxide having an average particle diameter of 1.0 to 20.0 μm.
本発明のプリプレグは、前記熱硬化性樹脂組成物を繊維基材に含浸させ、半硬化させて形成されることを特徴とする The prepreg of the present invention is formed by impregnating a fiber base material with the thermosetting resin composition and semi-curing it.
前記繊維基材として、ガラス織布が用いられている。 A glass woven fabric is used as the fiber base material.
本発明の積層板は、前記プリプレグを１枚または複数枚積層し、加熱加圧成型されて形成されることを特徴とする。 The laminated board of the present invention is characterized by being formed by laminating one or a plurality of the prepregs, followed by heat and pressure molding.
前記加熱加圧成形を行う前に、前記プリプレグを１枚または複数枚積層されたものの少なくとも一方の表面に金属箔が配置される。 Before performing the heat and pressure molding, a metal foil is disposed on at least one surface of one or a plurality of the prepregs laminated.
さらに、前記加熱加圧成形を行う前に、前記プリプレグを１枚または複数枚積層したものの一方の表面に金属箔が配置され、他方の表面に放熱用金属ベース板が配置されており、前記プリプレグを１枚または複数枚積層したものを絶縁層として配置される。 Furthermore, before performing the heat and pressure molding, a metal foil is disposed on one surface of a laminate of one or a plurality of the prepregs, and a heat radiating metal base plate is disposed on the other surface. One or a plurality of stacked layers are arranged as an insulating layer.
本発明の熱硬化性樹脂組成物は、熱硬化性樹脂１００重量部に対し、無機充填材を１００〜４００重量部含有する熱硬化性樹脂組成物であって、前記無機充填剤として、０．１〜１．０μｍの平均粒子径を有する二酸化チタン、および、１．０〜２０．０μｍの平均粒子径を有する水酸化アルミニウムを少なくとも有することによって、前記熱硬化性樹脂組成物を用いた積層板に、可視光領域における高い反射率、高い熱伝導性、および難燃性を付与することが可能となる。 The thermosetting resin composition of the present invention is a thermosetting resin composition containing 100 to 400 parts by weight of an inorganic filler with respect to 100 parts by weight of the thermosetting resin. Laminate using the thermosetting resin composition by having at least titanium dioxide having an average particle diameter of 1 to 1.0 μm and aluminum hydroxide having an average particle diameter of 1.0 to 20.0 μm In addition, it is possible to impart high reflectance in the visible light region, high thermal conductivity, and flame retardancy.
本発明のプリプレグは、前記熱硬化性樹脂組成物を繊維基材に含浸させ、半硬化させて形成され、前記繊維基材として、ガラス織布が用いられていることによって、積層板に用いた場合に実用可能な強度を維持しつつ薄葉化を達成することが可能となり、薄葉化を達成することで、積層板の厚み方向の熱抵抗を低減することが可能となる。 The prepreg of the present invention was formed by impregnating a fiber base material with the thermosetting resin composition and semi-curing it, and a glass woven fabric was used as the fiber base material. In this case, thinning can be achieved while maintaining a practical strength, and by achieving thinning, the thermal resistance in the thickness direction of the laminated plate can be reduced.
本発明の積層板は、前記プリプレグを１枚または複数枚積層し、加熱加圧成型されて形成されることによって、熱伝導性、可視光領域反射率、耐変色性、絶縁性、難燃性、信頼性、およびドリル加工性の全てにおいて優れ、かつ薄葉化による熱抵抗の低減、および、設計自由度の向上を可能にするプリント配線板に好適な積層板を実現することが可能となる。 The laminated plate of the present invention is formed by laminating one or a plurality of the prepregs and forming by heat and pressure molding, so that thermal conductivity, visible light region reflectance, discoloration resistance, insulation, flame retardancy are formed. In addition, it is possible to realize a laminated board suitable for a printed wiring board that is excellent in all of reliability and drilling workability, reduces thermal resistance due to thinning, and improves design flexibility.
本発明の熱硬化性樹脂組成物、プリプレグ、および、積層板について説明する。まず初めに、本発明の熱硬化性樹脂組成物について説明する。 The thermosetting resin composition, prepreg, and laminate of the present invention will be described. First, the thermosetting resin composition of the present invention will be described.
本発明の熱硬化性樹脂組成物は、プリプレグを形成する際に繊維基材に含浸させて使用される樹脂組成物であり、熱硬化性樹脂１００重量部に対し、無機充填材を１００〜４００重量部含有させている。前記無機充填剤として、０．１〜１．０μｍの平均粒子径を有する二酸化チタン、および、１．０〜２０．０μｍの平均粒子径を有する水酸化アルミニウムを少なくとも含有する。本発明の熱硬化性樹脂組成物に用いる熱硬化性樹脂および無機充填材について以下に詳細に説明する。 The thermosetting resin composition of the present invention is a resin composition used by impregnating a fiber base material when forming a prepreg, and 100 to 400 parts by weight of an inorganic filler with respect to 100 parts by weight of the thermosetting resin. Part by weight is contained. As the inorganic filler, at least titanium dioxide having an average particle diameter of 0.1 to 1.0 μm and aluminum hydroxide having an average particle diameter of 1.0 to 20.0 μm are contained. The thermosetting resin and inorganic filler used in the thermosetting resin composition of the present invention will be described in detail below.
前記熱硬化性樹脂としては、エポキシ樹脂、不飽和ポリエステル樹脂、ジアリルフタレート樹脂、熱硬化性ポリイミド樹脂等を適宜選択して用いる。そして、前記熱硬化性樹脂は、必要に応じて溶剤等を添加して、液状として用いられる。さらに、前記熱硬化性樹脂は、必要に応じて、硬化剤、硬化促進剤等の添加材が添加される。 As the thermosetting resin, an epoxy resin, an unsaturated polyester resin, a diallyl phthalate resin, a thermosetting polyimide resin, or the like is appropriately selected and used. And the said thermosetting resin is used as a liquid, adding a solvent etc. as needed. Furthermore, additives such as a curing agent and a curing accelerator are added to the thermosetting resin as necessary.
前記二酸化チタンは、本発明の熱硬化性樹脂組成物を積層板に用いた場合、積層板に可視光領域における高い反射率および高い熱伝導性を付与するものである。前記二酸化チタンの平均粒子径は０．１〜１．０μｍとし、好ましくは０．１〜０．８μｍとする。前記二酸化チタンの平均粒子径が０．０５μｍ未満の場合、前記積層板の可視光反射率および熱伝導性が低下する可能性がある。また、前記二酸化チタンの平均粒子径が１．０μｍより大きい場合、前記積層板の可視光反射率が低下する可能性がある。 The titanium dioxide imparts high reflectivity and high thermal conductivity in the visible light region to the laminate when the thermosetting resin composition of the present invention is used for the laminate. The average particle diameter of the titanium dioxide is 0.1 to 1.0 μm, preferably 0.1 to 0.8 μm. When the average particle diameter of the titanium dioxide is less than 0.05 μm, the visible light reflectance and thermal conductivity of the laminate may be lowered. Moreover, when the average particle diameter of the said titanium dioxide is larger than 1.0 micrometer, the visible light reflectance of the said laminated board may fall.
前記水酸化アルミニウムは、前記熱硬化性樹脂組成物を積層板に用いた場合、積層板に難燃性および熱伝導性を付与するものである。前記水酸化アルミニウムの平均粒子径は１．０〜２０．０μｍとし、好ましくは１．０〜１５．０μｍとする。前記水酸化アルミニウムの平均粒子径が１．０μｍ未満の場合、難燃性および熱伝導性が低下する可能性がある。また、前記水酸化アルミニウムの平均粒子径が２０．０μｍよりも大きい場合、ドリル加工性が低下する可能性がある。 The aluminum hydroxide imparts flame retardancy and thermal conductivity to the laminate when the thermosetting resin composition is used for the laminate. The average particle diameter of the aluminum hydroxide is 1.0 to 20.0 μm, preferably 1.0 to 15.0 μm. When the average particle diameter of the aluminum hydroxide is less than 1.0 μm, flame retardancy and thermal conductivity may be lowered. Moreover, when the average particle diameter of the aluminum hydroxide is larger than 20.0 μm, drill workability may be lowered.
前記二酸化チタンと前記水酸化アルミニウムの平均粒子径を上述の様な範囲に限定し、互いに異なる平均粒子径とする。これにより、前記熱硬化性樹脂組成物中において無機充填材がより密に存在することになり、前記熱硬化性樹脂組成物を積層板に用いた場合、優れた耐変色性および熱伝導性を付与することが可能となる。 The average particle diameter of the titanium dioxide and the aluminum hydroxide is limited to the above range, and the average particle diameters are different from each other. As a result, the inorganic filler is present more densely in the thermosetting resin composition, and when the thermosetting resin composition is used for a laminate, excellent discoloration resistance and thermal conductivity are obtained. It becomes possible to grant.
前記二酸化チタンと前記水酸化アルミニウムとの配合比は１：０．２〜１：１．５とし、好ましくは１：０．３〜１：１とする。二酸化チタンの配合量１に対し、水酸化アルミニウムの配合量が０．２未満の場合、前記熱硬化性樹脂組成物を積層板に用いると難燃性および熱伝導性が低下する可能性がある。また、二酸化チタンの配合量１に対し、水酸化アルミニウムの配合量が１．５を超える場合、前記熱硬化性樹脂組成物を積層板に用いると耐熱性および耐変色性が低下する可能性がある。 The compounding ratio of the titanium dioxide and the aluminum hydroxide is 1: 0.2 to 1: 1.5, preferably 1: 0.3 to 1: 1. When the blending amount of aluminum hydroxide is less than 0.2 with respect to the blending amount 1 of titanium dioxide, flame retardancy and thermal conductivity may be reduced when the thermosetting resin composition is used for a laminate. . Moreover, when the compounding quantity of aluminum hydroxide exceeds 1.5 with respect to the compounding quantity 1 of titanium dioxide, when the said thermosetting resin composition is used for a laminated board, heat resistance and discoloration resistance may fall. is there.
前記無機充填材として、二酸化チタンおよび水酸化アルミニウムに加えて、例えば、酸化アルミニウム、酸化マグネシウムおよびシリカなどの酸化物、水酸化マグネシウム等の水酸化物、窒化ホウ素、窒化アルミニウム、窒化ケイ素などの窒化物、炭化ケイ素および炭化ホウ素などの炭化物などを更に含むものとすることも可能である。 As the inorganic filler, in addition to titanium dioxide and aluminum hydroxide, for example, oxides such as aluminum oxide, magnesium oxide and silica, hydroxides such as magnesium hydroxide, nitriding such as boron nitride, aluminum nitride and silicon nitride It is also possible to further include carbides such as silicon carbide and boron carbide.
熱硬化性樹脂組成物に含有される無機充填材のモース硬度は８以下とすることが好ましい。これは、無機充填材のモース硬度が８を超える場合、前記熱硬化性樹脂組成物を積層板に用いるとドリル加工性が低下する可能性がある。 The Mohs hardness of the inorganic filler contained in the thermosetting resin composition is preferably 8 or less. If the Mohs hardness of the inorganic filler exceeds 8, if the thermosetting resin composition is used for a laminate, drill workability may be reduced.
熱硬化性樹脂１００重量部に対する無機充填材の配合比は１００〜４００重量部とし、好ましくは１５０〜３５０重量部とする。熱硬化性樹脂１００重量部に対する無機充填材の配合比が１００重量部未満の場合、前記熱硬化性樹脂組成物を積層板に用いると熱伝導性が低下する可能性があり、無機充填材の配合比が４００重量部を超える場合、前記熱硬化性樹脂組成物を用いた積層板の生産性が低下する可能性がある。 The mixing ratio of the inorganic filler to 100 parts by weight of the thermosetting resin is 100 to 400 parts by weight, preferably 150 to 350 parts by weight. When the blending ratio of the inorganic filler to 100 parts by weight of the thermosetting resin is less than 100 parts by weight, the thermal conductivity may be lowered when the thermosetting resin composition is used for the laminate, When the compounding ratio exceeds 400 parts by weight, the productivity of the laminate using the thermosetting resin composition may be reduced.
熱硬化性樹脂組成物の製造方法について説明する。熱硬化性樹脂に少なくとも二酸化チタンおよび水酸化アルミニウムを含む無機充填材を配合し、必要に応じて高級脂肪酸および官能基を有する共重合体等の界面活性剤を用いて攪拌または混練等を行い分散させる。この際に、必要に応じて溶剤などを用いることも可能である。 The manufacturing method of a thermosetting resin composition is demonstrated. Disperse the thermosetting resin with an inorganic filler containing at least titanium dioxide and aluminum hydroxide and, if necessary, stir or knead using a surfactant such as a higher fatty acid and a functional group copolymer. Let At this time, a solvent or the like may be used as necessary.
次に、前記熱硬化性樹脂組成物を用いた本発明のプリプレグについて説明する。本発明のプリプレグは、織布、不織布等の状態の繊維基材に前記熱硬化性樹脂組成物を含浸させ、その後、加熱乾燥することにより、熱硬化性樹脂が半硬化状態となることにより得られる。 Next, the prepreg of the present invention using the thermosetting resin composition will be described. The prepreg of the present invention is obtained by impregnating the thermosetting resin composition into a fiber substrate in a woven fabric, non-woven fabric or the like, and then drying by heating, whereby the thermosetting resin becomes a semi-cured state. It is done.
本発明のプリプレグに用いる繊維基材の具体例としては、ガラス織布などが挙げられる。前記繊維基材の繊維としては、ガラス繊維、液晶ポリマー繊維、アラミド繊維、カーボン繊維、ポリエステル繊維、ナイロン繊維、アクリル繊維、および、ビニロン繊維などが用いられる。 Specific examples of the fiber base material used in the prepreg of the present invention include glass woven fabric. As the fiber of the fiber base material, glass fiber, liquid crystal polymer fiber, aramid fiber, carbon fiber, polyester fiber, nylon fiber, acrylic fiber, vinylon fiber and the like are used.
次に、前記プリプレグを用いた本発明の積層板について説明する。本発明の積層板は、前記プリプレグを１枚または複数枚積層したものを加熱および加圧手段である金属板によって挟み込み、所定の温度および圧力で加熱加圧成型することにより得られる。 Next, the laminated board of this invention using the said prepreg is demonstrated. The laminate of the present invention is obtained by sandwiching one or a plurality of the prepregs laminated with a metal plate as heating and pressurizing means, and heating and press molding at a predetermined temperature and pressure.
次に、本発明の積層板の１つの形態である、金属箔貼り積層板１について説明する。金属箔貼り積層板１は、プリプレグ２を１枚または複数枚積層したものの少なくとも一表面に金属箔３を配し、その後、加熱加圧成型することにより得られるものである。金属箔３は特に限定するものではないが主として銅箔、アルミ箔などを用いる。 Next, the metal foil pasted laminated board 1 which is one form of the laminated board of this invention is demonstrated. The metal foil-clad laminate 1 is obtained by arranging the metal foil 3 on at least one surface of one or a plurality of prepregs 2 laminated and then heating and pressing. Although the metal foil 3 is not particularly limited, a copper foil, an aluminum foil or the like is mainly used.
前記金属箔貼り積層板１の一例として、２枚のプリプレグ２を積層し、両面に金属箔３を配した形態を図１に示す。前記金属箔貼り積層板１は、まず初めに、繊維基材であるガラス織布に前記熱硬化性樹脂組成物を含浸させる。その後、前記ガラス織布に含浸させた前記熱硬化性樹脂組成物を加熱乾燥することにより、熱硬化性樹脂組成物が半硬化状態となったプリプレグ２を得る。 As an example of the metal foil-clad laminate 1, a form in which two prepregs 2 are laminated and metal foils 3 are arranged on both surfaces is shown in FIG. First, the metal foil-clad laminate 1 is impregnated with the thermosetting resin composition in a glass woven fabric that is a fiber base material. Thereafter, the thermosetting resin composition impregnated in the glass woven fabric is dried by heating to obtain the prepreg 2 in which the thermosetting resin composition is in a semi-cured state.
その後、前記プリプレグ２を２枚積層し、２枚積層した状態のプリプレグ２の両面に２枚の金属箔３を別々に重ねる。その後、加熱および加圧手段である金属板によって挟み込んで所定の温度および圧力で加熱加圧成型すると、図１に示すような断面構造の金属箔貼り積層板１が完成する。 Thereafter, two prepregs 2 are stacked, and two metal foils 3 are separately stacked on both surfaces of the prepreg 2 in a stacked state. Thereafter, the metal foil-clad laminate 1 having a cross-sectional structure as shown in FIG. 1 is completed when sandwiched between metal plates as heating and pressurizing means and heated and pressed at a predetermined temperature and pressure.
本実施形態のように繊維基材としてガラス繊維の織布であるガラス織布を用いることにより積層板は、実用可能な強度を維持しつつ薄葉化を達成することができる。さらに、薄葉化によって厚み方向の熱抵抗を低減することが可能となり、放熱性を高くすることも可能となる。前記熱抵抗とは、例えば、ＪＰＣＡ規格のＪＰＣＡ−ＴＭＣ−ＬＥＤ０２Ｔ−２０１０において試験方法が規定されている放熱特性の評価方法によるものを意味する。 By using a glass woven fabric that is a woven fabric of glass fibers as the fiber base as in this embodiment, the laminated plate can achieve thinning while maintaining a practical strength. Furthermore, it is possible to reduce the thermal resistance in the thickness direction by reducing the thickness, and it is possible to increase the heat dissipation. The thermal resistance means, for example, that based on an evaluation method for heat radiation characteristics, which is defined as a test method in JPCA standard JPCA-TMC-LED02T-2010.
さらに、本発明の積層板の別の形態である、金属ベース金属箔貼り積層板１０について説明する。前記金属ベース金属箔貼り積層板１０は、プリプレグ２を１枚または複数枚積層したものの一方の表面に金属箔３を配し、他方の表面に放熱用金属ベース板４を配して、その後、加熱加圧成型することにより得られるものであり。図２に示す金属ベース金属箔貼り積層板１０は、プリプレグ２を２枚積層したものの一方の表面に金属箔３を配し、他方の表面に放熱用金属ベース板４を配して、加熱加圧成型したものである。 Furthermore, the metal base metal foil pasting laminated board 10 which is another form of the laminated board of this invention is demonstrated. The metal base metal foil-clad laminate 10 has one or more prepregs 2 laminated with a metal foil 3 on one surface and a heat radiating metal base plate 4 on the other surface. It is obtained by heat and pressure molding. The metal-base metal foil-clad laminate 10 shown in FIG. 2 has a metal foil 3 disposed on one surface of a laminate of two prepregs 2 and a heat-dissipation metal base plate 4 disposed on the other surface. It is pressure molded.
前記金属ベース金属箔貼り積層板１０では、前記プリプレグ２を２枚積層したものが絶縁層となる。絶縁層として樹脂組成物のみを用いた場合と比べると、前記プリプレグ２を絶縁層として用いた場合は、同等の放熱性を維持しながら、低コストを実現し、さらに白色外観を有するだけでなく、絶縁耐力のバラツキが小さい金属ベース金属箔貼り積層板１０を得ることが可能となる。 In the metal-base metal foil-clad laminate 10, a laminate of the two prepregs 2 becomes an insulating layer. Compared to the case where only the resin composition is used as the insulating layer, when the prepreg 2 is used as the insulating layer, not only has a low whiteness and a white appearance while maintaining the same heat dissipation. Thus, it is possible to obtain the metal base metal foil-clad laminate 10 with small variations in dielectric strength.
実施例を用いて、本発明の積層板について説明する。以下に、実施例１〜７と比較例１〜７について順に説明する。 The laminated board of this invention is demonstrated using an Example. Hereinafter, Examples 1 to 7 and Comparative Examples 1 to 7 will be described in order.
ビスフェノ−ルＡ型エポキシ樹脂およびアミン系硬化剤を含有する熱硬化性樹脂ワニスの樹脂固形分比１００重量部に対し、無機充填材として０．２μｍの平均粒子径を有する二酸化チタン１５０重量部、および、２．３μｍの平均粒子径を有する水酸化アルミニウム１００重量部を均一に分散した熱硬化性樹脂ワニスを準備する。 150 parts by weight of titanium dioxide having an average particle diameter of 0.2 μm as an inorganic filler with respect to 100 parts by weight of the resin solid content ratio of a thermosetting resin varnish containing a bisphenol A type epoxy resin and an amine curing agent, A thermosetting resin varnish in which 100 parts by weight of aluminum hydroxide having an average particle diameter of 2.3 μm is uniformly dispersed is prepared.
前記熱硬化性樹脂ワニスを、坪量２０３ｇ／ｍ２のガラス繊維織布に、成形後の厚さが０．２ｍｍとなる様に含浸および半硬化させてプリプレグを得る。前記プリプレグを５枚積層し、両外層に厚さ０．０３５ｍｍの銅箔を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．０ｍｍの金属箔貼り積層板を得る。 The thermosetting resin varnish is impregnated and semi-cured into a glass fiber woven fabric having a basis weight of 203 g / m 2 so that the thickness after molding becomes 0.2 mm to obtain a prepreg. Five prepregs are laminated, 0.035 mm thick copper foil is arranged on both outer layers, and then heated and pressed (temperature: 180 ° C., pressure: 3 MPa) to give a 1.0 mm thick metal foil A laminated laminate is obtained.
実施例１と同じ条件の熱硬化性樹脂ワニスを準備し、坪量４８ｇ／ｍ２のガラス繊維織布に、成形後の厚さが０．０５ｍｍとなる様に含浸および半硬化させてプリプレグを得る。前記プリプレグを２枚積層し、両外層に厚さ０．０３５ｍｍの銅箔を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ０．１ｍｍの金属箔貼り積層板を得る。 A thermosetting resin varnish having the same conditions as in Example 1 was prepared, and a prepreg was obtained by impregnating and semi-curing a glass fiber woven fabric having a basis weight of 48 g / m 2 so that the thickness after molding was 0.05 mm. . Two prepregs are laminated, a copper foil having a thickness of 0.035 mm is disposed on both outer layers, and then a metal foil having a thickness of 0.1 mm is formed by heating and pressing (temperature: 180 ° C., pressure: 3 MPa). A laminated laminate is obtained.
ビスフェノ−ルＡ型エポキシ樹脂およびアミン系硬化剤を含有する熱硬化性樹脂ワニスの樹脂固形分比１００重量部に対し、無機充填材として０．５μｍの平均粒子径を有する二酸化チタン１５０重量部、および、１８．６μｍの平均粒子径を有する水酸化アルミニウム１００重量部を均一に分散した熱硬化性樹脂ワニスを準備する。 150 parts by weight of titanium dioxide having an average particle size of 0.5 μm as an inorganic filler with respect to 100 parts by weight of the resin solid content ratio of a thermosetting resin varnish containing a bisphenol A type epoxy resin and an amine curing agent, A thermosetting resin varnish in which 100 parts by weight of aluminum hydroxide having an average particle diameter of 18.6 μm is uniformly dispersed is prepared.
前記熱硬化性樹脂ワニスを、坪量２０３ｇ／ｍ２のガラス繊維織布に、成形後の厚さが０．２ｍｍとなる様に含浸および半硬化させてプリプレグを得る。前記プリプレグを５枚積層し、両外層に厚さ０．０３５ｍｍの銅箔を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．０ｍｍの金属箔貼り積層板を得る。 The thermosetting resin varnish is impregnated and semi-cured into a glass fiber woven fabric having a basis weight of 203 g / m 2 so that the thickness after molding becomes 0.2 mm to obtain a prepreg. Five prepregs are laminated, 0.035 mm thick copper foil is arranged on both outer layers, and then heated and pressed (temperature: 180 ° C., pressure: 3 MPa) to give a 1.0 mm thick metal foil A laminated laminate is obtained.
ビスフェノ−ルＡ型エポキシ樹脂およびアミン系硬化剤を含有する熱硬化性樹脂ワニスの樹脂固形分比１００重量部に対し、無機充填材として０．２μｍの平均粒子径を有する二酸化チタン７５重量部、０．５μｍの平均粒子径を有する二酸化チタン７５重量部、２．３μｍの平均粒子径を有する水酸化アルミニウム５０重量部、および、１８．６μｍの平均粒子径を有する水酸化アルミニウム５０重量部を均一に分散した熱硬化性樹脂ワニスを準備する。 75 parts by weight of titanium dioxide having an average particle size of 0.2 μm as an inorganic filler with respect to 100 parts by weight of the resin solid content of a thermosetting resin varnish containing a bisphenol A type epoxy resin and an amine curing agent, Uniformly 75 parts by weight of titanium dioxide having an average particle diameter of 0.5 μm, 50 parts by weight of aluminum hydroxide having an average particle diameter of 2.3 μm, and 50 parts by weight of aluminum hydroxide having an average particle diameter of 18.6 μm A thermosetting resin varnish dispersed in is prepared.
前記熱硬化性樹脂ワニスを、実施例１と同様に、坪量２０３ｇ／ｍ２のガラス繊維織布に、成形後の厚さが０．２ｍｍとなる様に含浸および半硬化させてプリプレグを得る。前記プリプレグを５枚積層し、両外層に厚さ０．０３５ｍｍの銅箔を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．０ｍｍの金属箔貼り積層板を得る。 In the same manner as in Example 1, the thermosetting resin varnish was impregnated and semi-cured into a glass fiber woven fabric having a basis weight of 203 g / m 2 so that the thickness after molding was 0.2 mm to obtain a prepreg. Five prepregs are laminated, 0.035 mm thick copper foil is arranged on both outer layers, and then heated and pressed (temperature: 180 ° C., pressure: 3 MPa) to give a 1.0 mm thick metal foil A laminated laminate is obtained.
ビスフェノ−ルＡ型エポキシ樹脂およびアミン系硬化剤を含有する熱硬化性樹脂ワニスの樹脂固形分比１００重量部に対し、無機充填材として０．２μｍの平均粒子径を有する二酸化チタン４５重量部、０．５μｍの平均粒子径を有する二酸化チタン７０重量部、２．３μｍの平均粒子径を有する水酸化アルミニウム７０重量部、および、９．２μｍの平均粒子径を有する酸化アルミニウム５重量部を均一に分散した熱硬化性樹脂ワニスを準備する。 45 parts by weight of titanium dioxide having an average particle diameter of 0.2 μm as an inorganic filler with respect to 100 parts by weight of the resin solid content of the thermosetting resin varnish containing a bisphenol A type epoxy resin and an amine curing agent, Uniformly 70 parts by weight of titanium dioxide having an average particle diameter of 0.5 μm, 70 parts by weight of aluminum hydroxide having an average particle diameter of 2.3 μm, and 5 parts by weight of aluminum oxide having an average particle diameter of 9.2 μm A dispersed thermosetting resin varnish is prepared.
前記熱硬化性樹脂ワニスを、実施例１と同様に、坪量２０３ｇ／ｍ２のガラス繊維織布に、成形後の厚さが０．２ｍｍとなる様に含浸および半硬化させてプリプレグを得る。前記プリプレグを５枚積層し、両外層に厚さ０．０３５ｍｍの銅箔を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．０ｍｍの金属箔貼り積層板を得る。 In the same manner as in Example 1, the thermosetting resin varnish was impregnated and semi-cured into a glass fiber woven fabric having a basis weight of 203 g / m 2 so that the thickness after molding was 0.2 mm to obtain a prepreg. Five prepregs are laminated, 0.035 mm thick copper foil is arranged on both outer layers, and then heated and pressed (temperature: 180 ° C., pressure: 3 MPa) to give a 1.0 mm thick metal foil A laminated laminate is obtained.
ビスフェノ−ルＡ型エポキシ樹脂およびアミン系硬化剤を含有する熱硬化性樹脂ワニスの樹脂固形分比１００重量部に対し、無機充填材として０．２μｍの平均粒子径を有する二酸化チタン１５０重量部、０．５μｍの平均粒子径を有する二酸化チタン８０重量部、２．３μｍの平均粒子径を有する水酸化アルミニウム９０重量部、１８．６μｍの平均粒子径を有する水酸化アルミニウム５０重量部、および、９．２μｍの平均粒子径を有する酸化アルミニウム５重量部を均一に分散した熱硬化性樹脂ワニスを準備する。 150 parts by weight of titanium dioxide having an average particle diameter of 0.2 μm as an inorganic filler with respect to 100 parts by weight of the resin solid content ratio of a thermosetting resin varnish containing a bisphenol A type epoxy resin and an amine curing agent, 80 parts by weight of titanium dioxide having an average particle diameter of 0.5 μm, 90 parts by weight of aluminum hydroxide having an average particle diameter of 2.3 μm, 50 parts by weight of aluminum hydroxide having an average particle diameter of 18.6 μm, and 9 A thermosetting resin varnish in which 5 parts by weight of aluminum oxide having an average particle diameter of 2 μm is uniformly dispersed is prepared.
前記熱硬化性樹脂ワニスを、実施例１と同様に、坪量２０３ｇ／ｍ２のガラス繊維織布に、成形後の厚さが０．２ｍｍとなる様に含浸および半硬化させてプリプレグを得る。前記プリプレグを５枚積層し、両外層に厚さ０．０３５ｍｍの銅箔を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．０ｍｍの金属箔貼り積層板を得る。 In the same manner as in Example 1, the thermosetting resin varnish was impregnated and semi-cured into a glass fiber woven fabric having a basis weight of 203 g / m 2 so that the thickness after molding was 0.2 mm to obtain a prepreg. Five prepregs are laminated, 0.035 mm thick copper foil is arranged on both outer layers, and then heated and pressed (temperature: 180 ° C., pressure: 3 MPa) to give a 1.0 mm thick metal foil A laminated laminate is obtained.
実施例２で用いたプリプレグを２枚積層し、一方の表面に厚さ０．０３５ｍｍの銅箔を配し、他方の表面に放熱用として厚さ１．０ｍｍのアルミ板を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．１ｍｍの金属ベース金属箔貼り積層板を得る。 Two prepregs used in Example 2 were stacked, a copper foil having a thickness of 0.035 mm was disposed on one surface, and an aluminum plate having a thickness of 1.0 mm was disposed on the other surface for heat dissipation, A metal-base metal foil-laminated laminate having a thickness of 1.1 mm is obtained by hot pressing (temperature: 180 ° C., pressure: 3 MPa).
実施例１と同様の方法で、前記無機充填材を添加しないものを比較例１とした。 The same method as in Example 1 but without adding the inorganic filler was used as Comparative Example 1.
実施例１と同様の方法で、前記無機充填材を、０．２μｍの平均粒子径を有する二酸化チタン２５０重量部に変更したものを比較例２とした。 Comparative Example 2 was obtained by changing the inorganic filler to 250 parts by weight of titanium dioxide having an average particle diameter of 0.2 μm in the same manner as in Example 1.
実施例１と同様の方法で、前記無機充填材を、２．３μｍの平均粒子径を有する水酸化アルミニウム２５０重量部に変更したものを比較例３とした。 Comparative Example 3 was obtained by changing the inorganic filler to 250 parts by weight of aluminum hydroxide having an average particle diameter of 2.3 μm in the same manner as in Example 1.
実施例１と同様の方法で、前記無機充填材を、９．２μｍの平均粒子径を有する酸化アルミニウム２５０重量部に変更したものを比較例４とした。 Comparative Example 4 was obtained by changing the inorganic filler to 250 parts by weight of aluminum oxide having an average particle diameter of 9.2 μm in the same manner as in Example 1.
実施例１と同様の方法で、前記無機充填材を、０．０３μｍの平均粒子径を有する二酸化チタン１５０重量部、および、５５．３μｍの平均粒子径を有する水酸化アルミニウム１００重量部に変更したものを比較例５とした。 In the same manner as in Example 1, the inorganic filler was changed to 150 parts by weight of titanium dioxide having an average particle diameter of 0.03 μm and 100 parts by weight of aluminum hydroxide having an average particle diameter of 55.3 μm. This was designated as Comparative Example 5.
実施例１と同様の方法で、前記無機充填材を、０．２μｍの平均粒子径を有する二酸化チタン３００重量部、および、２．３μｍの平均粒子径を有する水酸化アルミニウム２００重量部に変更したものを比較例６とした。 In the same manner as in Example 1, the inorganic filler was changed to 300 parts by weight of titanium dioxide having an average particle diameter of 0.2 μm and 200 parts by weight of aluminum hydroxide having an average particle diameter of 2.3 μm. This was designated as Comparative Example 6.
実施例１で用いた熱硬化性樹脂ワニスにおいて、ビスフェノールＡ型エポキシ樹脂をビスフェノールＡ型エポキシ樹脂とフェノキシ樹脂の混合樹脂に変更した熱硬化性樹脂ワニスを準備する。 In the thermosetting resin varnish used in Example 1, a thermosetting resin varnish in which the bisphenol A type epoxy resin is changed to a mixed resin of bisphenol A type epoxy resin and phenoxy resin is prepared.
前記熱硬化性樹脂ワニスを、ＰＥＴフィルム上に成形後の厚さが０．０５ｍｍとなる様に塗布・加熱乾燥させて接着シートを得る。前記接着シートを、実施例４と同様に２枚積層し、一方の表面に厚さ０．０３５ｍｍの銅箔を配し、他方の表面に放熱用として厚さ１．０ｍｍのアルミ板を配し、その後、加熱加圧成形（温度：１８０℃、圧力：３ＭＰａ）することで厚さ１．１ｍｍの金属ベース金属箔貼り積層板を得る。 The said thermosetting resin varnish is apply | coated and heat-dried so that the thickness after shaping | molding on a PET film may be 0.05 mm, and an adhesive sheet is obtained. Two sheets of the adhesive sheet were laminated in the same manner as in Example 4, a 0.035 mm thick copper foil was placed on one surface, and a 1.0 mm thick aluminum plate was placed on the other surface for heat dissipation. Then, by heating and pressing (temperature: 180 ° C., pressure: 3 MPa), a metal base metal foil-laminated laminate having a thickness of 1.1 mm is obtained.
実施例１〜６および比較例１〜６によって得られた金属箔貼り積層板を以下の方法で評価し、実施例１〜６の結果を表１に、比較例１〜６の結果を表２に示す。 The metal foil-clad laminates obtained in Examples 1 to 6 and Comparative Examples 1 to 6 were evaluated by the following method. The results of Examples 1 to 6 are shown in Table 1, and the results of Comparative Examples 1 to 6 are shown in Table 2. Shown in
・反射率
得られた金属箔貼り積層板の銅箔をエッチングにより除去した後、積層板表面の可視光反射率をＪＩＳ−Ｚ８７２２に準拠しＹ（Ｄ６５）値を測定した。
-Reflectivity After removing the copper foil of the obtained metal foil-clad laminate, the visible light reflectance on the surface of the laminate was measured according to JIS-Z8722 and the Y (D65) value was measured.
・熱劣化後の反射率（耐熱変色性）
得られた金属箔貼り積層板の銅箔をエッチングにより除去した後、１５０℃で２４時間処理し前記と同様の方法でＹ（Ｄ６５）値を測定した。
・ Reflectance after heat deterioration (heat discoloration)
After removing the copper foil of the obtained metal foil-clad laminate by etching, it was treated at 150 ° C. for 24 hours, and the Y (D65) value was measured by the same method as described above.
・はんだ耐熱性
得られた金属箔貼り積層板をＪＩＳ−Ｃ６４８１に準拠して作製した試料を、２６０℃のはんだ槽に１２０秒間浸漬し、金属箔および積層板に膨れ、または剥がれが生じない最大時間を測定した。
・ Solder heat resistance A sample prepared by compliant with JIS-C6481 of the obtained laminate laminated with metal foil is immersed in a solder bath at 260 ° C. for 120 seconds, and the metal foil and laminate are not swelled or peeled off. Time was measured.
・難燃性
得られた金属箔貼り積層板の銅箔をエッチングにより除去した後、ＵＬ−９４の燃焼試験法に準じて燃焼試験を行い、判定した。
-Flame retardance After removing the copper foil of the obtained metal foil-clad laminate by etching, a combustion test was conducted in accordance with the combustion test method of UL-94 and judged.
・ドリル刃残存率
得られた金属箔貼り積層板を２枚重ねた状態で、０．３ｍｍ径のドリルを用い、回転数１２００００ｒｐｍ、送り速度０．０３ｍｍ／ｒｅｖの条件にて３０００個の穴を設けた後のドリル刃残存率を、加工前のドリル刃面積に対する加工後のドリル刃面積の割合により算出した。
・ Drilling blade remaining rate With the obtained metal foil-clad laminates stacked, use a 0.3 mm diameter drill and drill 3000 holes under the conditions of a rotation speed of 120,000 rpm and a feed rate of 0.03 mm / rev. The drill blade remaining rate after being provided was calculated by the ratio of the drill blade area after processing to the drill blade area before processing.
・熱伝導率
得られた金属箔貼り積層板の銅箔をエッチングにより除去した後、水中置換法により密度を測定し、ＤＳＣ（示差走査熱量測定）法により比熱容量を測定し、レーザーフラッシュ法により熱拡散率を測定し、次式により熱伝導率を算出した。
熱伝導率（Ｗ／ｍ・Ｋ）＝密度（ｋｇ／ｍ３）×比熱容量（Ｊ／ｇ・Ｋ）×熱拡散率（ｍ２／ｓ）×１０００
-Thermal conductivity After removing the copper foil of the obtained metal foil-clad laminate by etching, the density is measured by the underwater substitution method, the specific heat capacity is measured by the DSC (differential scanning calorimetry) method, and the laser flash method The thermal diffusivity was measured, and the thermal conductivity was calculated by the following formula.
Thermal conductivity (W / m · K) = density (kg / m 3) × specific heat capacity (J / g · K) × thermal diffusivity (m 2 / s) × 1000
・熱抵抗
得られた金属箔貼り積層板をＪＰＣＡ（一般社団法人日本電子回路工業会）規格のＪＰＣＡ−ＴＭＣ−ＬＥＤ０２Ｔ−２０１０に準拠した方法で熱抵抗を測定した。
-Thermal resistance The thermal resistance was measured by the method based on JPCA-TMC-LED02T-2010 of the JPCA (Japan Electronic Circuits Industry Association) standard for the obtained metal foil-clad laminate.
・成型性
得られ金属箔貼り積層板の銅箔をエッチングにより除去した外観を確認し、空隙等の成型欠点の有無を判定した。
-Moldability The appearance of the obtained copper foil-laminated laminate was removed by etching, and the presence or absence of molding defects such as voids was determined.
表１，２を見るとわかるように、比較例１〜６は項目によっては実施例１〜６と同等の優れた結果を残してはいるが、８項目全てにおいて優れたものではない。これに対し、実施例１〜６は全ての項目において優れた結果となっている。また、実施例２の結果から、薄葉化することにより同等の熱伝導率であっても熱抵抗を大きく低減できることが解る。 As can be seen from Tables 1 and 2, although Comparative Examples 1 to 6 leave excellent results equivalent to Examples 1 to 6 depending on the items, they are not excellent in all 8 items. On the other hand, Examples 1 to 6 are excellent results in all items. In addition, it can be seen from the results of Example 2 that the thermal resistance can be greatly reduced by thinning, even if the thermal conductivity is equivalent.
実施例７および比較例７によって得られた金属ベース金属箔貼り積層板を以下の方法で評価し、その結果を表３に示す。反射率の測定および熱伝導率の算出方法については、表１と同じ方法を用いる。 The metal-base metal foil-clad laminates obtained in Example 7 and Comparative Example 7 were evaluated by the following method, and the results are shown in Table 3. The same method as in Table 1 is used for the reflectance measurement and the thermal conductivity calculation method.
・絶縁破壊電圧
ＪＩＳ Ｃ２１１０−１に準拠した方法で所定の試料を同径電極間に挟み、５００Ｖ／ｓの昇圧速度で電圧を印加し、絶縁破壊電圧を測定した。
-Dielectric breakdown voltage A predetermined sample was sandwiched between electrodes of the same diameter by a method based on JIS C2110-1, a voltage was applied at a boosting rate of 500 V / s, and the dielectric breakdown voltage was measured.
表３を見るとわかるように、実施例７のように金属ベース金属箔貼り積層板の絶縁層にプリプレグを用いることにより、比較例７のような従来技術の樹脂シートと比較すると、絶縁破壊電圧は同等でありながら標準偏差を半分以下に低減することが可能となる。従って金属ベース金属箔貼り積層板の絶縁層にプリプレグを用いることで、他の特性を維持しながら絶縁信頼性において優れた効果を奏することが可能となる。 As can be seen from Table 3, by using a prepreg for the insulating layer of the metal-base metal foil-laminated laminate as in Example 7, compared to the resin sheet of the prior art as in Comparative Example 7, the dielectric breakdown voltage Can be reduced to less than half the standard deviation. Therefore, by using a prepreg for the insulating layer of the metal-base metal foil-clad laminate, it is possible to achieve an excellent effect in insulation reliability while maintaining other characteristics.
本発明の積層板は、プリプレグの熱硬化性樹脂組成物の無機充填材として所定粒子の二酸化チタンおよび水酸化アルミニウムを用いることにより、熱伝導性に優れるという効果を奏する。また、前記無機充填材として二酸化チタンを用いることにより可視光領域反射率において優れた効果を奏し、さらに、無機充填材を従来よりも高い割合とすることによる有機成分の低減によって、耐変色性に優れた効果を奏する。 The laminated board of this invention produces the effect that it is excellent in thermal conductivity by using the titanium dioxide and aluminum hydroxide of a predetermined particle as an inorganic filler of the thermosetting resin composition of a prepreg. In addition, by using titanium dioxide as the inorganic filler, it has an excellent effect in the visible light region reflectance, and further, by reducing the organic component by making the inorganic filler a higher ratio than before, it is possible to change color resistance. Excellent effect.
そして、前記無機充填材として二酸化チタンを用い、さらに無機充填材を従来よりも高い割合とすることによる有機成分の低減によって、難燃性に優れた効果を奏することが可能となる。また、前記無機充填材として所定粒子径の二酸化チタン、水酸化アルミニウム等の低硬度の充填材を用いることによって、ドリル加工性に優れた効果を奏する。さらに、積層板の薄葉化が可能となることで熱抵抗を大幅に低減し、放熱性に優れた効果を奏する。本発明のプリプレグは金属ベース金属箔貼り積層板の絶縁層に用いることによって、金属ベース金属箔貼り積層板の絶縁信頼性を優れたものとすることが可能となる。 And, by using titanium dioxide as the inorganic filler and further reducing the organic component by setting the inorganic filler to a higher ratio than before, an effect excellent in flame retardancy can be achieved. Moreover, the use of a low hardness filler such as titanium dioxide or aluminum hydroxide having a predetermined particle diameter as the inorganic filler produces an effect excellent in drill workability. Furthermore, since the laminated sheet can be made thin, the thermal resistance is greatly reduced, and the effect of excellent heat dissipation is achieved. When the prepreg of the present invention is used for an insulating layer of a metal-based metal foil-clad laminate, the insulation reliability of the metal-based metal foil-clad laminate can be made excellent.
１ 金属箔貼り積層板
２ プリプレグ
３ 金属箔
４ 金属板ベース
１０ 金属ベース金属箔貼り積層板
DESCRIPTION OF SYMBOLS 1 Metal foil sticking laminated board 2 Prepreg 3 Metal foil 4 Metal plate base 10 Metal base metal foil sticking laminated board
Claims (6)
前記無機充填剤として、０．１〜１．０μｍの平均粒子径を有する二酸化チタン、および、１．０〜２０．０μｍの平均粒子径を有する水酸化アルミニウムを少なくとも有することを特徴とする熱硬化性樹脂組成物。 A thermosetting resin composition containing 100 to 400 parts by weight of an inorganic filler with respect to 100 parts by weight of a thermosetting resin,
Thermosetting characterized by having at least titanium dioxide having an average particle diameter of 0.1 to 1.0 μm and aluminum hydroxide having an average particle diameter of 1.0 to 20.0 μm as the inorganic filler. Resin composition.
前記プリプレグを１枚または複数枚積層したものを絶縁層として配置されることを特徴とする請求項５に記載の積層板。 Before performing the heating and pressing, a metal foil is disposed on one surface of the one or a plurality of laminated prepregs, and a heat radiating metal base plate is disposed on the other surface,
6. The laminate according to claim 5, wherein one or a plurality of the prepregs are laminated as an insulating layer.
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| JP2015028101A JP6836313B2 (en) | 2015-02-16 | 2015-02-16 | Laminated board for insulation |
| KR1020177026102A KR102265358B1 (en) | 2015-02-16 | 2015-02-27 | Insulation laminate |
| CN201580076223.9A CN107429067B (en) | 2015-02-16 | 2015-02-27 | Laminate for insulation |
| PCT/JP2015/055788 WO2016132564A1 (en) | 2015-02-16 | 2015-02-27 | Heat-curable resin composition, prepreg, and laminated sheet |
| TW105102798A TWI746432B (en) | 2015-02-16 | 2016-01-29 | Insulation laminated board |
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| TWI627055B (en) * | 2016-11-09 | 2018-06-21 | 可成科技股份有限公司 | Low-density fiber reinforced plastic composite plate and method for manufacturing the same |
| KR102007234B1 (en) * | 2017-12-28 | 2019-08-05 | 한화큐셀앤드첨단소재 주식회사 | Thermosetting white film and method for preparing the same |
| US11879049B2 (en) * | 2018-11-15 | 2024-01-23 | Kyocera Corporation | Organic insulating body, metal-clad laminate, and wiring board |
| JP7336881B2 (en) * | 2019-06-06 | 2023-09-01 | 太陽ホールディングス株式会社 | Coated substrate having thermosetting composition and its cured coating |
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| JP6836313B2 (en) | 2021-02-24 |
| TWI746432B (en) | 2021-11-21 |
| TW201631047A (en) | 2016-09-01 |
| CN107429067A (en) | 2017-12-01 |
| WO2016132564A1 (en) | 2016-08-25 |
| KR20170118184A (en) | 2017-10-24 |
| KR102265358B1 (en) | 2021-06-14 |
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