WO2011001912A1 - 深部硬化性に優れたエネルギー線硬化型エポキシ樹脂組成物 - Google Patents
深部硬化性に優れたエネルギー線硬化型エポキシ樹脂組成物 Download PDFInfo
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- WO2011001912A1 WO2011001912A1 PCT/JP2010/060833 JP2010060833W WO2011001912A1 WO 2011001912 A1 WO2011001912 A1 WO 2011001912A1 JP 2010060833 W JP2010060833 W JP 2010060833W WO 2011001912 A1 WO2011001912 A1 WO 2011001912A1
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- epoxy resin
- resin composition
- energy ray
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- curable epoxy
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- 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
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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
- C08G59/68—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 catalysts used
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1525—Four-membered rings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
Definitions
- the present invention relates to an energy beam curable epoxy resin composition, and more particularly to an energy beam curable epoxy resin composition for fixing an optical component having excellent deep curability while maintaining high fixing accuracy.
- a photo-curing adhesive is used to fix the photodetector to the housing (Patent Documents 1 and 2).
- This adhesive is required to have high fixing accuracy and high deep part curability.
- the fixing accuracy is an accuracy indicating that the light detector does not move from a predetermined position when the light detector is fixed to the housing. If the fixing accuracy is low, the photodetector moves from a predetermined position at the time of manufacturing the optical pickup device or after the durability test, and light detection cannot be performed. Therefore, high fixing accuracy is required.
- Deep part curability is an index indicating how much depth is cured when light is irradiated from above, and the higher the deep part curability, the better.
- a cationic curable epoxy resin adhesive is superior to a photocurable acrylic resin adhesive as a photocurable adhesive. Furthermore, the cationic curable epoxy resin adhesive does not inhibit the curing by oxygen like the acrylic resin adhesive, and is excellent in thin film curability (Non-Patent Document 1). However, the cationic curable epoxy resin has a problem of poor deep part curability.
- An object of the present invention is to solve the problem of poor deep-part curability in an energy beam curable epoxy resin composition having high fixing accuracy while maintaining high fixing accuracy.
- the present invention is an energy ray curable epoxy resin composition containing an epoxy resin, a filler and a photoacid generator, wherein the refractive index of the filler and the refractive index of the energy ray curable epoxy resin composition not containing the filler are Is an epoxy resin composition having a difference of ⁇ 0.02 or less.
- the low cure shrinkage is important to prevent the position-adjusted photodetector from moving due to cure shrinkage when curing the photocurable adhesive, and the elastic modulus during heat. It is important to prevent the photodetector from moving due to its own weight or the tension of the FPC (polyimide wiring) attached to the photodetector when heated, and the photo-curing adhesive softens even when heated. It shows that it is hard without.
- the epoxy resin composition has a curing shrinkage of 3% or less and elasticity when heated (durability test temperature of 100 ° C.) in order to obtain high fixing accuracy. It has been found that the rate needs to be 50 MPa or more.
- the present inventors have found that it is preferable to have a deep curability of 2 mm or more if possible, as measured by a predetermined method (UV irradiation time 10 seconds).
- the deep curability of the resin composition can be remarkably improved while maintaining high fixing accuracy.
- the energy beam curable epoxy resin composition of the present invention includes an epoxy resin, a filler, and a photoacid generator.
- epoxy resin For example, bisphenol A type epoxy resin, bisphenol F type epoxy resin, biphenyl type epoxy resin, naphthalene type epoxy resin, phenol novolac type epoxy resin, cresol novolac type epoxy resin, hydrogenated bisphenol A
- examples thereof include a type epoxy resin, a hydrogenated bisphenol F type epoxy resin, a polybutadiene type epoxy resin, a polyisoprene type epoxy resin, an alicyclic epoxy resin, and an aliphatic epoxy resin. These resins may be used alone or in combination of two or more.
- alicyclic epoxy resins examples include vinylcyclohexene monooxide 1,2-epoxy-4-vinylcyclohexane (CEL2000), 1,2: 8,9 diepoxy limonene (CEL3000), 3,4-epoxycyclohexenylmethyl- 3 ′, 4′-epoxycyclohexenecarboxylate (CEL2021P), 1,2-epoxy-4- (2-oxiranyl) cyclosexane adduct of 2,2-bis (hydroxymethyl) -1-butanol (EHPE3150), 3 , 4-epoxycyclohexenylmethyl-3 ′, 4′-epoxycyclohexene carboxylate, hydrogenated biphenyl type alicyclic epoxy resin, and the like. Each may be used alone or in combination of two or more.
- Examples of the aliphatic epoxy resin include ethylene glycol diglycidyl ether, diethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, tripropylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, 1,4-butanediol diglycidyl ether, 1 , 6-hexanediol diglycidyl ether, trimethylolpropane triglycidyl ether, trimethylolpropane diglycidyl ether, polyethylene glycol diglycidyl ether, and the like. Each may be used alone or in combination of two or more.
- epoxy resin bisphenol A type epoxy resin (for example, Epicron 850 or Epicron 860 manufactured by DIC) and hydrogenated bisphenol A type epoxy resin (for example, YX8034 manufactured by jER) are particularly preferable.
- bisphenol A type epoxy resin for example, Epicron 850 or Epicron 860 manufactured by DIC
- hydrogenated bisphenol A type epoxy resin for example, YX8034 manufactured by jER
- a purified epoxy resin such as a bisphenol A epoxy resin may be used.
- phenol type epoxy resin epichlorohydrin used for the synthesis and halogen-containing intermediates not ring-closed to the epoxy group are present as impurities. These impurities are not cured even when irradiated with energy rays in the presence of a cationic curing catalyst. Therefore, by using a phenol type epoxy resin from which these impurities are removed, an uncured component in the cured product after curing with energy rays can be reduced, and an energy ray curable epoxy resin composition containing a low halogen content can be obtained. Obtainable.
- Examples of the purification of the phenol type epoxy resin include purification by distillation, purification by chromatography using silica gel, alumina, etc., purification by hydrolyzing a halogen bonded by a covalent bond with an alkaline aqueous solution such as an aqueous sodium hydroxide solution, etc. Can be mentioned.
- EXA-8067 is available from DIC as a refined product of bisphenol A type epoxy resin.
- the halogen content is preferably 500 ppm or less from the viewpoint of the problem of electric corrosion (electro-corrosion) and the problem of the global environment.
- EXA-8067 is used as the epoxy resin, low halogenation can be achieved in addition to the effects of the present invention described above.
- the filler examples include acrylic filler, styrene filler, acrylic / styrene copolymer filler, fluorine resin filler, polyethylene filler, polypropylene filler, silicone filler, silica filler, mica, and talc. Each may be used alone or in combination of two or more.
- Preferred fillers are acrylic / styrene copolymer fillers, polyethylene fillers, polypropylene fillers, and glass fillers, and more preferred fillers are acrylic / styrene copolymer fillers.
- the addition amount of the filler is preferably 5 to 100 parts by weight, more preferably 15 to 60 parts by weight with respect to 45 parts by weight of the epoxy resin.
- the difference between the refractive index of the filler and the refractive index of the energy beam curable epoxy resin composition containing no filler is within ⁇ 0.02, preferably ⁇ 0. Within .01.
- the energy ray curable epoxy resin composition containing no filler is an epoxy resin obtained by removing the filler from the energy ray curable epoxy resin composition of the present invention containing an epoxy resin, a filler, a photoacid generator, and optional components. Refers to the composition.
- the difference between the refractive index of the filler and the refractive index of the energy ray-curable epoxy resin composition not containing the filler is obtained. It can be within a predetermined range.
- the photoacid generator is not limited as long as it is a compound that generates a Lewis acid or a Bronsted acid upon irradiation with energy rays, and examples thereof include a sulfonium salt and an iodonium salt.
- the range of the amount of the photoacid generator used is preferably 0.5 to 10 parts by weight, more preferably 1 to 4 parts by weight with respect to 45 parts by weight of the epoxy resin.
- the photoacid generator can also be added after being dissolved or dispersed in a solvent such as 4-butyrolactone.
- sulfonium salt examples include triphenylsulfonium ⁇ ⁇ ⁇ hexafluorophosphate, triphenylsulfonium hexafluoroantimonate, triphenylsulfonium tetrakis (pentafluorophenyl) borate, 4,4'-bis [diphenylsulfonio] diphenyl sulfide bishexafluorophosphate, 4,4'-bis [di ( ⁇ -hydroxyethoxy) phenylsulfonio] diphenyl sulfide bishexafluoroantimonate, 4,4'-bis [di ( ⁇ -hydroxyethoxy) phenylsulfonio] diphenyl sulfide bishexafluorophosphate 7- [di (p-toluyl) sulfonio] -2-isopropylthioxanthone hexafluor
- SP-172, SP-150, SP-152, CPI-210S manufactured by Sun Apro, and the like can be mentioned.
- Preferred as the sulfonium salt is SP-170, SP-172 manufactured by Asahi Denka Co., Ltd. or CPI-210S manufactured by San Apro. These salts may be used alone or in combination of two or more.
- iodonium salt examples include diphenyliodonium tetrakis (pentafluorophenyl) borate, diphenyliodonium hexafluorophosphate, diphenyliodonium hexafluoroantimonate, di (4-nonylphenyl) iodonium hexafluorophosphate, and PI2074 manufactured by Rhodia.
- Preferable iodonium salt is Rho20's PI2074. These salts may be used alone or in combination of two or more.
- the energy ray-curable epoxy resin composition of the present invention can contain other additives such as an oxetane compound, a photosensitizer, and a silane coupling agent.
- Oxetane compound is added for the purpose of reducing viscosity and reducing shrinkage in order to improve coating workability.
- oxetane compounds include 3-ethyl-3-hydroxymethyloxetane (OXA), 1,4-bis [ ⁇ (3-ethyl-3-oxetanyl) methoxy ⁇ methyl] benzene (XDO), 3-ethyl-3- (phenoxy Methyl) oxetane (OXT-211 (POX)), 2-ethylhexyloxetane (OXT-212 (EHOX)), xylylene bisoxetane (OXT-121 (XDO)), bis (3-ethyl-3-oxetanylmethyl) ether (OXT-221 (DOX)), oxetanyl silicate OXT-191, 3-ethyl-[ ⁇ (3-triethoxysilylpropoxy) methyl) oxetan
- the number in parentheses indicates the product number of Toagosei Co., Ltd.
- the addition amount of the oxetane compound is preferably 5 to 100 parts by weight, more preferably 10 to 50 parts by weight with respect to 45 parts by weight of the epoxy resin.
- Each oxetane compound may be used alone or in combination of two or more.
- the photosensitizer is not particularly limited, and examples thereof include carbonyl compounds, organic sulfur compounds, persulfides, redox compounds, azo and diazo compounds, halogen compounds, and photoreductive dyes.
- Specific examples of photosensitizers include benzoin derivatives such as benzoin methyl ether, benzoin isopropyl ether, ⁇ , ⁇ -dimethoxy- ⁇ -phenylacetophenone; benzophenone, 2,4-dichlorobenzophenone, methyl o-benzoylbenzoate.
- Benzophenone derivatives such as 4,4′-bis (diethylamino) benzophenone; thioxanthone derivatives such as 2,4-diethylthioxanthone, 2-chlorothioxanthone, 2-isopropylthioxanthone; 2-chloroanthraquinone, 2-methylanthraquinone, etc.
- Anthraquinone derivatives; acridone derivatives such as N-methylacridone and N-butylacridone; other ⁇ , ⁇ -diethoxyacetophenone, benzyl, fluorenone, xanthone, uranyl compounds Etc.
- photosensitizers may be used alone or in combination of two or more.
- a preferred photosensitizer is 2,4-diethylthioxanthone (DETX-S manufactured by Nippon Kayaku).
- the addition amount of the photosensitizer is 0.001 to 1 part by weight, preferably 0.005 to 0.1 part by weight with respect to 45 parts by weight of the epoxy resin.
- iodonium salt-based PI2074 it is preferable to use the photosensitizer DETX-S, and the amount added is preferably 0.001 to 45 parts by weight of the epoxy resin. 0.1 parts by weight, particularly preferably 0.01 parts by weight.
- a photosensitizer is not always necessary, and excellent curability is obtained even if it is not added.
- silane coupling agent is added for the purpose of imparting adhesiveness.
- silane coupling agents include tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, tetraisopropoxysilane, tetrabutoxysilane, dimethoxydiethoxysilane, dimethoxydiisopropoxysilane, diethoxydiisopropoxysilane, diethoxydi Tetraalkoxysilanes such as butoxysilane; trialkoxysilanes such as methyltrimethoxysilane, methyltriethoxysilane, methyltriisopropoxysilane, ethyltriethoxysilane, etortributoxysilane, cyclohexyltriethoxysilane, and phenyltriisopropoxysilane Dimethyldimethoxysilane, dimethyldiethoxysilane, diethyldie
- the energy ray curable epoxy resin composition of the present invention includes, for example, an LD (laser diode), a photodetector (PD: photodetector), an optical component such as a lens and a prism, and an optical module on which an optical component such as a lens is mounted.
- LD laser diode
- PD photodetector
- an optical component such as a lens and a prism
- an optical module on which an optical component such as a lens is mounted can be quickly fixed with high fixing accuracy, and is useful as an adhesive for assembling an optical device.
- an optical device for example, in the optical pickup device described in Patent Documents 1 and 2 and paragraph 0023 of Japanese Patent Application Laid-Open No. 2007-311006, it can be used for fixing after adjusting the tilt of the actuator with a skew screw. In addition, it can also be used for fixing optical components such as mirrors and suspension wires.
- Example 1 and Comparative Examples 1 and 2 Based on the formulation shown in Table 1, the photoacid generator PI2074 was dissolved in 4-butyrolactone, added to Epicron 850 and CEL3000, and stirred until it became transparent, and the energy ray curable epoxy resin composition of Comparative Example 1 was prepared.
- GS350T or GS310T is added to the epoxy resin composition of Comparative Example 1 and stirred until uniform to prepare the energy ray curable epoxy resin composition of Example 1 or Comparative Example 2. did.
- the deep curability of the epoxy resin compositions of Example 1 and Comparative Examples 1 and 2 was measured.
- the deep curability was filled in a black tube with a hole of 5 mm ⁇ with each energy beam curable epoxy resin composition of Example 1 and Comparative Examples 1 and 2 to a height of 5 mm, and Hamamatsu Photonics from above.
- 500 mW / cm 2 (365 nm) with a UV irradiator for 10 seconds the cured product was taken out from the black tube, the uncured part was removed, and the thickness of the cured part was measured with a micrometer.
- Table 1 The results are shown in Table 1.
- Example 2 and Comparative Examples 3 and 4 Based on the formulation described in Table 2, the epoxy resin compositions of Example 2 and Comparative Examples 3 and 4 were prepared. The deep curability of each epoxy resin composition was measured. The results are shown in Table 2.
- Example 3 and Comparative Example 5 Based on the formulation described in Table 3, the epoxy resin compositions of Example 3 and Comparative Example 5 were prepared. The deep curability of each epoxy resin composition was measured. The results are shown in Table 3.
- Example 6 to 8 Based on the formulation shown in Table 7, energy ray curable epoxy resin compositions of Examples 6 to 8 were prepared.
- EXA-8067 Bisphenol A type epoxy resin (DIC Corporation: purified product by distillation)
- I-651 2,2-dimethoxy-1,2-diphenylethane (sensitizer manufactured by Ciba)
- the deep curability of the LED is such that an energy beam curing type epoxy resin composition is filled in a black tube having an inner diameter of 5 mm ⁇ and a length of 5 mm, and an illuminance of 500 mW / cm 2 from above by an LED irradiator with a wavelength of 365 nm (illuminance meter: C6080 made by Hamamatsu Photonics)
- the length of the energy ray-curable epoxy resin composition which was irradiated for 10 seconds at ⁇ 13) and was cured was measured. Table 10 shows the measurement results.
- an optical component such as an LD, a photodetector, a lens, a prism, or an optical module on which an optical component such as a lens is mounted is excellent with high fixing accuracy. Since it can be fixed by deep part curing, it is useful as an adhesive for assembling an optical device.
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Abstract
Description
表1に記載の配合に基づき、光酸発生剤PI2074を4-ブチロラクトンに溶かし、これをエピクロン850及びCEL3000に加え、透明になるまで撹拌して、比較例1のエネルギー線硬化型エポキシ樹脂組成物を調製した。
表2に記載の配合に基づいて、実施例2並びに比較例3及び4のエポキシ樹脂組成物を調製した。各エポキシ樹脂組成物の深部硬化性を測定した。結果を表2に示す。
表3に記載の配合に基づいて、実施例3及び比較例5のエポキシ樹脂組成物を調製した。各エポキシ樹脂組成物の深部硬化性を測定した。結果を表3に示す。
実施例2及び3並びに比較例3のエポキシ樹脂組成物のそれぞれについて、硬化収縮率及び弾性率を測定した。硬化収縮率は、JIS K 6833記載のカップ法に準じて測定した。弾性率は、SII社製 EXSTAR6000を使用して、平板引張法で測定した。結果を表4に示す。
表5に示した配合に基づき、実施例4及び5のエネルギー線硬化型エポキシ樹脂組成物のベース(フィラーを含まないエポキシ樹脂組成物)を調製した。
実施例4及び5で調製した8種類のエネルギー線硬化型エポキシ樹脂組成物について、実施例1と同様にして(ただし、UV照射時間を10秒間から20秒間に変えた)、深部硬化性を測定した。その結果を表6に示す。
表7に示した配合に基づき、実施例6~8のエネルギー線硬化型エポキシ樹脂組成物を調製した。
実施例6及び7のエネルギー線硬化型エポキシ樹脂組成物のそれぞれのLED硬化性を試験した。LED硬化性は、アルミ板上にエネルギー線硬化型エポキシ樹脂組成物を一滴たらし、これを波長365nmのLED照射機により500mW/cm2の照度(照度計浜松ホトニクス製C6080-13)で10秒間照射して硬化し、硬化状態を指触にて確認した。LED硬化性の基準は、○:硬化(固体)、×印:未硬化(液状)であった。試験結果を表8に示す。
実施例6及び8のエネルギー線硬化型エポキシ樹脂組成物のそれぞれのハロゲン量をEN14582燃焼イオンクロマトグラフ法により測定した。測定結果を表9に示す。
実施例6及び8のエネルギー線硬化型エポキシ樹脂組成物のそれぞれの深部硬化性を測定した。紫外線ランプによる深部硬化性は、内径5mmφの長さ5mmの黒チューブにエネルギー線硬化型エポキシ樹脂組成物を充填し、紫外線照射機(浜松ホトニクス社製LC5)により上部から紫外線を照度500mW/cm2(365nm)(照度計:浜松ホトニクス製 C6080-13)で10秒間照射し、硬化したエネルギー線硬化型エポキシ樹脂組成物の長さを測定した。LEDによる深部硬化性は、内径5mmφの長さ5mmの黒チューブにエネルギー線硬化型エポキシ樹脂組成物を充填し、波長365nmのLED照射機により上部から照度500mW/cm2(照度計:浜松ホトニクス製 C6080-13)で10秒間照射し、硬化したエネルギー線硬化型エポキシ樹脂組成物の長さを測定した。測定結果を表10に示す。
実施例6及び8のエネルギー線硬化型エポキシ樹脂組成物のそれぞれの硬度、硬化収縮率、弾性率を測定した。硬度(D)は、JIS K 7215記載のデュロメータにより測定した。硬化収縮率は、JIS K 6833記載のカップ法に準じて測定した。Tanδと貯蔵弾性率は、SII社製 EXSTAR6000を使用して、平板引張法で測定した。
Claims (8)
- エポキシ樹脂、フィラー及び光酸発生剤を含むエネルギー線硬化型エポキシ樹脂組成物であって、該フィラーの屈折率と該フィラーを含まないエネルギー線硬化型エポキシ樹脂組成物の屈折率との差が±0.02以内であるエポキシ樹脂組成物。
- フィラーの屈折率と該フィラーを含まないエネルギー線硬化型エポキシ樹脂組成物の屈折率との差が±0.01以内である、請求項1記載のエポキシ樹脂組成物。
- フィラーがアクリル樹脂とスチレン樹脂の共重合体である、請求項1又は2記載のエポキシ樹脂組成物
- さらに、オキセタン化合物を含む、請求項1~3のいずれか1項記載のエポキシ樹脂組成物。
- 光学装置組み立て用の接着剤である、請求項1~4のいずれか1項記載のエポキシ樹脂組成物。
- 光ピックアップ装置組み立て用の接着剤である、請求項1~4のいずれか1項記載のエポキシ樹脂組成物。
- 請求項5記載のエポキシ樹脂組成物を使用して組み立てた光学装置。
- 請求項6記載のエポキシ樹脂組成物を使用して組み立てた光ピックアップ装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080028777.9A CN102471560B (zh) | 2009-07-01 | 2010-06-25 | 深部固化性优良的能量射线固化型环氧树脂组合物 |
JP2011520898A JP5634993B2 (ja) | 2009-07-01 | 2010-06-25 | 深部硬化性に優れたエネルギー線硬化型エポキシ樹脂組成物 |
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Cited By (3)
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WO2012165413A1 (ja) * | 2011-05-30 | 2012-12-06 | 三菱レイヨン株式会社 | エポキシ樹脂組成物、硬化物及び光半導体封止材料 |
JP2015034227A (ja) * | 2013-08-08 | 2015-02-19 | 株式会社Adeka | エネルギー線感受性組成物 |
US10059803B2 (en) | 2014-11-24 | 2018-08-28 | Industrial Technology Research Institute | Resin containing oxetane and epoxy groups and resin composition including the same |
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CN103666320B (zh) * | 2012-09-20 | 2016-07-06 | 广东恒大新材料科技有限公司 | 一种用于加成型硅胶的增粘剂组合物及其应用 |
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WO2012165413A1 (ja) * | 2011-05-30 | 2012-12-06 | 三菱レイヨン株式会社 | エポキシ樹脂組成物、硬化物及び光半導体封止材料 |
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Also Published As
Publication number | Publication date |
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CN102471560B (zh) | 2014-11-26 |
TW201116605A (en) | 2011-05-16 |
TWI479002B (zh) | 2015-04-01 |
KR20120103433A (ko) | 2012-09-19 |
KR101555738B1 (ko) | 2015-09-25 |
JP5634993B2 (ja) | 2014-12-03 |
CN102471560A (zh) | 2012-05-23 |
JPWO2011001912A1 (ja) | 2012-12-13 |
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