WO2010013638A1 - エポキシ樹脂硬化剤、エポキシ樹脂組成物、その硬化物及び光半導体装置 - Google Patents
エポキシ樹脂硬化剤、エポキシ樹脂組成物、その硬化物及び光半導体装置 Download PDFInfo
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- WO2010013638A1 WO2010013638A1 PCT/JP2009/063188 JP2009063188W WO2010013638A1 WO 2010013638 A1 WO2010013638 A1 WO 2010013638A1 JP 2009063188 W JP2009063188 W JP 2009063188W WO 2010013638 A1 WO2010013638 A1 WO 2010013638A1
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- epoxy resin
- resin composition
- curing agent
- dendritic polymer
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/40—Encapsulations, e.g. protective coatings characterised by their materials
- H10W74/47—Encapsulations, e.g. protective coatings characterised by their materials comprising organic materials, e.g. plastics or resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4246—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof polymers with carboxylic terminal groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Definitions
- the present invention relates to an epoxy resin curing agent, an epoxy resin composition, a cured product thereof, and an optical semiconductor device. More specifically, the present invention relates to an epoxy resin curing agent, an epoxy resin composition, a cured product thereof, and an optical semiconductor device that give a cured product with little coloring and excellent crack resistance and transparency.
- epoxy resin cured products obtained from acid anhydrides and epoxy resins are inexpensive and have excellent transparency, electrical insulation, chemical resistance, moisture resistance, adhesiveness, etc., electrical insulation materials, semiconductor materials, adhesives It is used in various applications such as materials and paint materials.
- a sealing material for protecting a light emitting element of a light emitting diode (hereinafter abbreviated as LED) can be given.
- LED light emitting diode
- the epoxy resin composition using such an alicyclic epoxy resin has a drawback that the obtained cured product has poor toughness and easily cracks due to changes in conditions such as temperature.
- a method for toughening a cured product obtained from an epoxy resin composition a method using a modifier composed of various polymers is known.
- a method for improving toughness without impairing the transparency of a cured product by adding a polyester resin to an epoxy resin composition has been proposed (see, for example, Patent Document 4).
- the method of adding the dendritic polymer has a problem that it is difficult to handle because the viscosity after mixing tends to be high and the strength of the cured product tends to be poor. Thereby, it was not suitable especially when fine processing and surface smoothness were required for sealing of LED.
- the present invention has been made in view of the above problems, and can cure both low viscosity after mixing and strength after curing, and is cured with an epoxy resin that provides a cured product with little coloration and excellent crack resistance and transparency.
- An agent is provided.
- the present invention also provides a low-viscosity epoxy resin composition, a cured product and an optical semiconductor device that are less colored and excellent in crack resistance and transparency.
- the inventors of the present invention have achieved low viscosity by using an epoxy resin curing agent in which a specific dendritic polymer is added and mixed as a modifier to the polycarboxylic anhydride.
- the present inventors have found that an epoxy resin composition that is easy to handle and a cured product that is less colored and that is excellent in strength, crack resistance and transparency can be easily obtained.
- the present invention relates to the following [1] to [15].
- R 1 to R 4 each independently represents a hydrogen atom or a linear or branched alkyl group having 1 to 4 carbon atoms, and two selected from R 1 to R 4 are bonded to form a ring. It may be formed.
- An epoxy resin composition comprising an epoxy resin, a polyvalent carboxylic acid anhydride, and a dendritic polymer having a hydroxyl value of 550 mgKOH / g or less.
- R 1 to R 4 each independently represents a hydrogen atom or a linear or branched alkyl group having 1 to 4 carbon atoms, and two selected from R 1 to R 4 are bonded to form a ring. It may be formed.
- an epoxy resin curing agent that provides an epoxy resin composition that has low viscosity after mixing and is easy to handle and that has a cured product with good strength.
- a cured product having excellent transparency can be obtained.
- the polycarboxylic acid anhydride used in the present invention is not particularly limited.
- succinic anhydride, maleic anhydride, phthalic anhydride, tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, methylendomethylenetetrahydrophthalic anhydride, itaconic anhydride examples include acid, pyromellitic anhydride, benzophenone tetracarboxylic acid anhydride, and the like. Two or more of these may be used in combination.
- the polyvalent carboxylic acid anhydride is represented by the general formula (1).
- a compound is preferred.
- Examples of such compounds include hexahydrophthalic anhydride, methylhexahydrophthalic anhydride, methylendomethylenehexahydrophthalic anhydride, and the like. Two or more of these may be used in combination.
- the amount of polycarboxylic anhydride used is preferably such that the acid anhydride group is 0.8 to 1 equivalent, and 0.9 to 1 equivalent, relative to 1 equivalent of epoxy group in the epoxy resin. It is more preferable to blend so that.
- the acid anhydride group is 0.8 equivalent or more, curing is sufficient, and there is no possibility that the mechanical properties of the cured product are significantly deteriorated.
- the acid anhydride group is 1 equivalent or less, a decrease in mechanical properties of the cured product can be similarly avoided.
- the dendritic polymer used in the present invention has a hydroxyl value of 550 mgKOH / g or less, preferably a hydroxyl value of 400 to 500 mgKOH / g. If it is 550 mgKOH / g or less, it can prevent becoming high viscosity.
- the weight average molecular weight is preferably 2000 or less, more preferably 1000 to 2000.
- a dendritic polymer having a viscosity of 10 Pa ⁇ s (25 ° C.), more preferably 1 to 10 Pa ⁇ s (25 ° C.).
- the dendritic polymer is preferably a polyester. Further, it is more preferable that the polyester has 1 to 50 generations, preferably 1 to 10 generations of at least one dihydroxymonocarboxylic acid added to a nucleus having at least one reactive epoxy group or hydroxyl group.
- Preferred nuclei include alcohols such as neopentyl glycol, trimethylolpropane, pentaerythritol, 2-butyl-2-ethyl-1,3-propanediol, epoxides such as glycidyl esters of monocarboxylic acids, glycidyl ethers of monoalcohols, etc. And the like.
- dihydroxy monocarboxylic acid examples include 2,2-bis (hydroxymethyl) propionic acid and 2,2-bis (hydroxymethyl) butanoic acid.
- the dendritic polymer is preferably contained in an amount of 1 to 60 parts by weight, more preferably 10 to 50 parts by weight, based on 100 parts by weight of the polyvalent carboxylic acid anhydride.
- the content of the dendritic polymer is 1 part by weight or more, the toughness of the obtained cured product is sufficient, and there is no possibility that the crack resistance is lowered.
- the content of the dendritic polymer is 60 parts by weight or less, it is easy to handle without high viscosity, and there is no fear that the glass transition temperature of the obtained cured product is remarkably lowered, which is preferable in practical use.
- the epoxy resin used in the present invention is not particularly limited, but an alicyclic epoxy resin is preferable from the viewpoint of light resistance and heat resistance.
- the alicyclic epoxy resin has an alicyclic skeleton and two or more epoxy groups in one molecule.
- an epoxy resin other than the alicyclic epoxy resin can be used depending on the purpose.
- examples of such epoxy resins include bisphenol type epoxy resins obtained by reaction of bisphenols such as bisphenol A and bisphenol S with epichlorohydrin, and phenol novolak types obtained by reaction of phenol novolac and epichlorohydrin.
- examples thereof include an epoxy resin, a glycidyl ester type epoxy resin obtained by a reaction between a polyvalent carboxylic acid and epichlorohydrin. Two or more of these may be used in combination.
- the amount of the epoxy resin other than these alicyclic epoxy resins used is preferably 0 to 80 parts by weight, more preferably 0 to 20 parts by weight with respect to 100 parts by weight of the alicyclic epoxy resin. If the usage-amount of epoxy resins other than an alicyclic epoxy resin is 80 weight part or less, it can prevent that the light resistance and heat resistance of hardened
- a target epoxy resin curing agent can be obtained by mixing a polyvalent carboxylic acid anhydride and a dendritic polymer, but the production method is not particularly limited, and a known method is applied. can do.
- the epoxy resin composition can be obtained by mixing the epoxy resin curing agent and the epoxy resin, but the production method is not particularly limited, and known methods can be applied.
- an epoxy resin composition can be obtained by separately mixing a dendritic polymer and a polyvalent carboxylic acid anhydride with an epoxy resin.
- a curing accelerator can be appropriately added depending on the purpose.
- the curing accelerator include imidazoles such as 2-ethyl-4-methylimidazole and 1-methylimidazole, tertiary amines such as benzyldimethylamine and N, N-dimethylaniline, tetramethylammonium chloride, and benzyltriethylammonium chloride.
- Quaternary ammonium salts such as tetra-n-butylphosphonium o, o-diethyl phosphorodithionate, phosphonium salts such as tetrabutylphosphonium benzotriazolate, metal salts such as zinc octylate and zinc stearate, zinc acetylacetone, Examples thereof include metal complexes such as benzoylacetone zinc.
- the blending amount in the epoxy resin composition is preferably 0.01 to 8% by weight, and more preferably 0.1 to 5% by weight. A sufficient effect is obtained when the blending amount of the curing accelerator is 0.01% by weight or more. Moreover, when the compounding quantity of a hardening accelerator is 8 weight% or less, it can reduce that the hardened
- various additives can be further added according to the purpose within a range that does not impair the properties of the obtained cured product.
- the additive include a flexibilizer, a heat stabilizer, an ultraviolet absorber, a flame retardant, an antistatic agent, an antifoaming agent, a thixotropic agent, and a release agent.
- an antioxidant for further improving the light resistance and heat resistance of the cured product, a chain transfer agent for controlling the polymerization reaction during curing, and improving the mechanical properties, adhesiveness, and handleability of the cured product.
- the epoxy resin composition in the present invention By curing the epoxy resin composition in the present invention with heat, a cured product with little coloration and excellent crack resistance and transparency can be obtained.
- cured material A well-known method is applicable.
- the temperature and time for heat curing are not particularly limited, but are preferably 90 to 180 ° C. and 1 to 12 hours.
- the LED light-emitting element or the like can be sealed by providing the epoxy resin composition on the surface of the LED light-emitting element or the like by a method such as coating, potting, or impregnation, followed by heat curing.
- the optical semiconductor device of the present invention is an optical semiconductor element such as an LED light emitting element or a photodiode element sealed with the above cured product, has little coloring, is excellent in crack resistance and transparency, and further has light resistance and It also has excellent heat resistance.
- Example 1 Polyester dendritic polymer (hydroxyl value 470 mg KOH / g, weight average molecular weight 1800, viscosity 7.6 Pa ⁇ s (25 ° C.), BOLTORN P-1000: trade name manufactured by Perstorp) 20 parts by weight polyhydric carboxylic anhydride 116 parts by weight of 4-methylhexahydrophthalic anhydride (HN-7000: manufactured by Hitachi Chemical Co., Ltd./acid anhydride equivalent 168 (g / eq)) was added as a product, and the mixture was heated to 70 ° C. and stirred uniformly. It was made to melt
- Example 2 An epoxy resin curing agent (II) was obtained in the same manner as in Example 1 except that 40 parts by weight of the polyester dendritic polymer was used instead of 20 parts by weight.
- An epoxy resin composition (II) was obtained in the same manner as in Example 1 except that 156 parts by weight of the epoxy resin curing agent (II) was used instead of the epoxy resin curing agent (I). Further, a cured product (II) was obtained in the same manner as in Example 1.
- Example 3 As a polyvalent carboxylic anhydride, a mixture of 3-methylhexahydrophthalic anhydride and 4-methylhexahydrophthalic anhydride (hereinafter referred to as 3 & 4-methylhexahydrophthalic anhydride. HN-5500E: Hitachi Chemical Co., Ltd.) Product / acid anhydride equivalent 168 (g / eq)) Except for using 116 parts by weight, an epoxy resin curing agent (III) was obtained in the same manner as in Example 1.
- Example 4 An epoxy resin curing agent (IV) was obtained in the same manner as in Example 3 except that 40 parts by weight of the polyester dendritic polymer was used instead of 20 parts by weight.
- An epoxy resin composition (IV) was obtained in the same manner as in Example 1 except that 156 parts by weight of the epoxy resin curing agent (IV) was used instead of the epoxy resin curing agent (I). Further, a cured product (IV) was obtained in the same manner as in Example 1.
- Comparative Example 2 An epoxy resin curing agent (VI) was obtained in the same manner as in Comparative Example 1 except that 40 parts by weight of the polyester dendritic polymer was used instead of 20 parts by weight.
- An epoxy resin composition (VI) was obtained in the same manner as in Example 1 except that 156 parts by weight of the epoxy resin curing agent (VI) was used instead of the epoxy resin curing agent (I). Further, a cured product (VI) was obtained in the same manner as in Example 1.
- a cured product (VII) was obtained from the epoxy resin composition (VII) in the same manner as in Example 1.
- Viscosity Measured with an E-type viscometer at 25 ° C.
- Measuring device SSC-5200 (manufactured by Seiko Electronics Co., Ltd.) Measurement conditions: Load 20 g / minute 10 ° C. Heating / bending strength: Measured according to JIS (Japanese Industrial Standard) standard number K7171.
- Comparative Example 1 has a relatively low viscosity due to a small amount of the dendritic polymer, but has a poor bending strength.
- Comparative Example 2 the bending strength increased with an increase in the amount of the dendritic polymer added, but the viscosity became very high, and the cured product was colored yellow.
- the cured product of Comparative Example 3 cracks occurred and the bending strength was low, and the cured product was colored yellow.
- an epoxy resin composition having a low viscosity and easy handling, and a cured product excellent in crack resistance and transparency, having high strength and little coloring.
- an epoxy resin curing agent that provides an epoxy resin composition that has low viscosity after mixing and is easy to handle and that has a cured product with good strength.
- a cured product having excellent transparency can be obtained.
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
[5] 樹枝状高分子が、ポリエステルである[1]~[4]のいずれかに記載のエポキシ樹脂硬化剤。
[12] 樹枝状高分子が、ポリエステルである[8]~[11]のいずれかに記載のエポキシ樹脂組成物。
ポリエステル樹枝状高分子(水酸基価470mgKOH/g、重量平均分子量1800、粘度7.6Pa・s(25℃)、BOLTORN P-1000:Perstorp社製商品名)20重量部に対して、多価カルボン酸無水物として4-メチルヘキサヒドロ無水フタル酸(HN-7000:日立化成工業株式会社製/酸無水物当量168(g/eq))116重量部を加え、70℃に加熱して攪拌し、均一になるまで溶解させてエポキシ樹脂硬化剤(I)を得た。
ポリエステル樹枝状高分子を20重量部の代わりに40重量部用いた以外は実施例1と同様にしてエポキシ樹脂硬化剤(II)を得た。
多価カルボン酸無水物として、3-メチルヘキサヒドロ無水フタル酸と4-メチルヘキサヒドロ無水フタル酸との混合物(以下、3&4-メチルヘキサヒドロ無水フタル酸という。HN-5500E:日立化成工業株式会社製/酸無水物当量168(g/eq))116重量部用いた以外は実施例1と同様にして、エポキシ樹脂硬化剤(III)を得た。
ポリエステル樹枝状高分子を20重量部の代わりに40重量部用いた以外は実施例3と同様にして、エポキシ樹脂硬化剤(IV)を得た。
樹枝状高分子としてポリエステル樹枝状高分子(水酸基価600mgKOH/g、重量平均分子量1800、粘度32.8Pa・s(25℃)、BOLTORN P-500:Perstorp社製商品名)20重量部を用いた以外は実施例1と同様にして、エポキシ樹脂硬化剤(V)を得た。
ポリエステル樹枝状高分子を20重量部の代わりに40重量部用いた以外は比較例1と同様にしてエポキシ樹脂硬化剤(VI)を得た。
ポリエステル樹枝状高分子を用いず、エポキシ樹脂硬化剤(I)の代わりに4-メチルヘキサヒドロ無水フタル酸を116重量部用いた以外は、実施例1と同様にして、エポキシ樹脂組成物(VII)を得た。
×:サンプル中一箇所以上クラック有り
・ガラス転移温度:硬化物(b)から2mm×5mm×5mmの試料を切り出し、機械的熱分析(TMA)により測定した。
測定条件 荷重20g/毎分10℃加熱
・曲げ強度:JIS(日本工業規格) の規格番号K7171に従って測定した。
Claims (15)
- 多価カルボン酸無水物及び水酸基価550mgKOH/g以下の樹枝状高分子を含むエポキシ樹脂硬化剤。
- 樹枝状高分子の重量平均分子量が2000以下である請求項1記載のエポキシ樹脂硬化剤。
- 樹枝状高分子の粘度が10Pa・s(25℃)以下である請求項1又は請求項2記載のエポキシ樹脂硬化剤。
- 樹枝状高分子が、ポリエステルである請求項1~4のいずれかに記載のエポキシ樹脂硬化剤。
- 樹枝状高分子が、多価カルボン酸無水物100重量部に対して1~60重量部含まれる請求項1~5のいずれかに記載のエポキシ樹脂硬化剤。
- エポキシ樹脂及び請求項1~6のいずれかに記載のエポキシ樹脂硬化剤を含むエポキシ樹脂組成物。
- エポキシ樹脂、多価カルボン酸無水物及び水酸基価550mgKOH/g以下の樹枝状高分子を含むエポキシ樹脂組成物。
- 樹枝状高分子の重量平均分子量が2000以下である請求項8記載のエポキシ樹脂組成物。
- 樹枝状高分子の粘度が10Pa・s(25℃)以下である請求項8又は請求項9記載のエポキシ樹脂組成物。
- 樹枝状高分子が、ポリエステルである請求項8~11のいずれかに記載のエポキシ樹脂組成物。
- 樹枝状高分子が、多価カルボン酸無水物100重量部に対して1~60重量部含まれる請求項8~12のいずれかに記載のエポキシ樹脂組成物。
- 請求項7~13のいずれかに記載のエポキシ樹脂組成物を硬化させてなる硬化物。
- 請求項14記載の硬化物で光半導体素子が封止されてなる光半導体装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009801299408A CN102112516A (zh) | 2008-07-29 | 2009-07-23 | 环氧树脂固化剂、环氧树脂组合物、其固化物以及光半导体装置 |
| JP2010522689A JP5522043B2 (ja) | 2008-07-29 | 2009-07-23 | エポキシ樹脂硬化剤、エポキシ樹脂組成物、その硬化物及び光半導体装置 |
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| JP2008194808 | 2008-07-29 | ||
| JP2008-194808 | 2008-07-29 | ||
| JP2009-127596 | 2009-05-27 | ||
| JP2009127596 | 2009-05-27 |
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| WO2010013638A1 true WO2010013638A1 (ja) | 2010-02-04 |
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Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5522043B2 (ja) |
| KR (1) | KR101636587B1 (ja) |
| CN (2) | CN102112516A (ja) |
| TW (1) | TWI464192B (ja) |
| WO (1) | WO2010013638A1 (ja) |
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| TWI380916B (zh) * | 2010-03-17 | 2013-01-01 | Taiyen Biotech Co Ltd | 鹽雕基材之組成物及其製造方法 |
| KR20130100925A (ko) * | 2010-06-30 | 2013-09-12 | 닛뽄 가야쿠 가부시키가이샤 | 다가 카르복실산 조성물, 경화제 조성물, 및 그 다가 카르복실산 조성물 또는 그 경화제 조성물을 에폭시 수지의 경화제로서 함유하는 경화성 수지 조성물 |
| US10886506B2 (en) * | 2015-03-30 | 2021-01-05 | Dai Nippon Printing Co., Ltd. | Cell packaging material, method for manufacturing same, and cell |
| CN106433023B (zh) * | 2015-08-13 | 2018-09-21 | 中国石油化工股份有限公司 | 制备环氧树脂浇注干式变压器用弹性环氧树脂的方法 |
| CN111303384B (zh) * | 2020-03-26 | 2022-08-19 | 上海稳优实业有限公司 | 一种温度潜伏性固化剂及其制备方法 |
| US11286386B1 (en) | 2021-01-15 | 2022-03-29 | Wuhan Choice Technology Co., Ltd. | Circuit build-up film for wafer-level packaging, and fabrication method and use thereof |
| CN112375340B (zh) * | 2021-01-15 | 2021-03-26 | 武汉市三选科技有限公司 | 晶圆级封装密封用电路积层膜、其制备方法及应用 |
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| WO2002066541A1 (en) * | 2001-02-16 | 2002-08-29 | Perstorp Specialty Chemicals Ab | Process for manufacture of a carboxy terminated dendritic polyester |
| JP2003502461A (ja) * | 1999-06-12 | 2003-01-21 | バンティコ アクチエンゲゼルシャフト | 脂環式エポキシドと多官能性ヒドロキシ化合物との反応生成物の製造方法 |
| JP2007314740A (ja) * | 2006-04-26 | 2007-12-06 | Hitachi Chem Co Ltd | エポキシ樹脂組成物、その硬化物及び光半導体装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060252892A1 (en) * | 2005-05-03 | 2006-11-09 | Basheer Rafil A | Hyperbranched polymer and cycloaliphatic epoxy resin thermosets |
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2009
- 2009-07-23 CN CN2009801299408A patent/CN102112516A/zh active Pending
- 2009-07-23 JP JP2010522689A patent/JP5522043B2/ja active Active
- 2009-07-23 WO PCT/JP2009/063188 patent/WO2010013638A1/ja not_active Ceased
- 2009-07-23 KR KR1020107024790A patent/KR101636587B1/ko active Active
- 2009-07-23 CN CN201510131992.6A patent/CN104693419B/zh active Active
- 2009-07-27 TW TW098125180A patent/TWI464192B/zh active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003502461A (ja) * | 1999-06-12 | 2003-01-21 | バンティコ アクチエンゲゼルシャフト | 脂環式エポキシドと多官能性ヒドロキシ化合物との反応生成物の製造方法 |
| WO2002066541A1 (en) * | 2001-02-16 | 2002-08-29 | Perstorp Specialty Chemicals Ab | Process for manufacture of a carboxy terminated dendritic polyester |
| JP2007314740A (ja) * | 2006-04-26 | 2007-12-06 | Hitachi Chem Co Ltd | エポキシ樹脂組成物、その硬化物及び光半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI464192B (zh) | 2014-12-11 |
| KR20110055481A (ko) | 2011-05-25 |
| JPWO2010013638A1 (ja) | 2012-01-12 |
| KR101636587B1 (ko) | 2016-07-05 |
| CN104693419B (zh) | 2017-11-24 |
| JP5522043B2 (ja) | 2014-06-18 |
| CN104693419A (zh) | 2015-06-10 |
| CN102112516A (zh) | 2011-06-29 |
| TW201008970A (en) | 2010-03-01 |
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