WO2005012383A1 - 樹脂組成物 - Google Patents
樹脂組成物 Download PDFInfo
- Publication number
- WO2005012383A1 WO2005012383A1 PCT/JP2003/009647 JP0309647W WO2005012383A1 WO 2005012383 A1 WO2005012383 A1 WO 2005012383A1 JP 0309647 W JP0309647 W JP 0309647W WO 2005012383 A1 WO2005012383 A1 WO 2005012383A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- epoxy resin
- resin composition
- epoxy
- resin
- curable resin
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1477—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing nitrogen
-
- 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
- C08G59/50—Amines
-
- 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
- C08G59/50—Amines
- C08G59/5046—Amines heterocyclic
- C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
- C08G59/5073—Amines heterocyclic containing only nitrogen as a heteroatom having two nitrogen atoms in the ring
Definitions
- the present invention relates to a display device, a lighting device, an optical field, an optical information transmission field, an optical information processing field, or the like, which has high transparency, heat resistance, and UV resistance (yellowing resistance). Curable or radiation curable resins.
- semiconductor devices such as light-emitting diodes having an InGan composition
- emission wavelength such as the ultraviolet region and near-ultraviolet region.
- a bisphenol A type epoxy resin it is not preferable to use a bisphenol A type epoxy resin.
- the reason is that such a bisphenol A-type epoxy resin turns yellow when an aromatic ring in the molecule absorbs ultraviolet rays. Therefore, there is no aromatic ring as a transparent resin member of the ultraviolet-near-ultraviolet light emitting diode! /, It has been proposed to use hydrogenated bisphenol A type epoxy resin or alicyclic epoxy resin.
- epoxy resins having transparency and UV resistance suitable for encapsulating the above-mentioned ultraviolet-near-ultraviolet light emitting diode are all of low molecular weight and liquid at room temperature. This is because the molecular weight of such an epoxy resin can be increased by heating or adding rubric acid or the like, but through such a process, the resin itself discolors or turns yellow, and the transparency of these resins increases. This impairs the feature.
- semiconductor package encapsulation using a liquid resin member is based on a method of forming a pattern while extruding from a nozzle, which is generally called a dispenser.
- a method called potting in which a thermoset is applied directly to a resin in a resin state, has become mainstream.
- Liquid encapsulation has a problem in productivity, especially the production volume per hour is small
- Liquid resin members generally have lower moisture resistance reliability than solid resin members.
- these liquid seals are inferior to transfer molding, which is the main stream of sealing using a solid resin, in the following points:
- the ultraviolet-near-ultraviolet light emitting diode is encapsulated with a solid resin, especially for encapsulation by transfer molding, an epoxy that has transparency and UV resistance and is solid at room temperature is used. There is an increasing demand for resin compositions.
- the present invention provides a reactive oligomer or polymer obtained by reacting a compound having two or more epoxy groups in a molecule with a hydantoin or a derivative thereof having two secondary amino groups in a molecule.
- the present invention provides a curable resin composition comprising:
- the reactive oligomer or polymer of the present invention obtained in this manner has little discoloration of the resin itself and can maintain the optical properties of the starting material because of the small number of production steps.
- the rigid resin composition obtained from the reactive oligomer or polymer of the present invention has high viscosity and good moldability. Further, the cured product obtained from the curable resin composition of the present invention has excellent transparency and UV resistance.
- the curable resin composition of the present invention is obtained by reacting a compound having two or more epoxy groups in a molecule with a hydantoin having two secondary amino groups in a molecule or a derivative thereof. Characterized in that it comprises a reactive oligomer or polymer.
- any epoxy resin can be used as a compound having an epoxy group to produce a reactive oligomer or polymer.
- the epoxy resin include an alicyclic epoxy resin, a bisphenol A-type epoxy resin, a bisphenol F-type epoxy resin, a bisphenol S-type epoxy resin, a biphenol-type epoxy resin having a biphenyl skeleton, Hydrogenated epoxy resin with hydrogenated aromatic ring, etc., naphthalene ring-containing epoxy resin, dicyclopentagen type epoxy resin with dicyclopentadiene skeleton, phenol novolak type epoxy resin, cresol novolak type epoxy resin, triphenyl methane type epoxy resin Resin, bromine-containing epoxy resin, aliphatic epoxy resin, isocyanuric acid skeleton epoxy resin, hydantoin skeleton epoxy resin, and the like.
- the “epoxy resin” includes a low molecular weight compound (monomer compound) having only one repeating unit.
- bisphenol A epoxy resin includes bisphenol
- hydrogenated epoxy resins particularly hydrogenated bisphenol A-type epoxy resins, alicyclic epoxy resins having an epoxy group on a ring composed of a saturated aliphatic, and isocyanuric acid skeleton. It is particularly desirable to use epoxy resins or mixtures thereof which have high transparency and UV resistance (yellowing resistance).
- the hydantoin or a derivative thereof that can be used in the present invention is preferably a compound represented by the general formula (A):
- R 2 represents hydrogen or
- a derivative thereof is preferably a hydantoin or a derivative thereof, wherein represents a hydrogen or a methyl group, and R 2 represents a hydrogen, a methyl group or an isopropyl group.
- Dimethylhydantoin or methylhydantoin is more preferred as the hydantoin derivative. It is particularly desirable to use 5,5-dimethylhydantoin because of its excellent properties in reactivity, UV resistance and stability.
- the epoxy compound and the hydantoin or a derivative thereof can be reacted, for example, by melting at a temperature not lower than their respective melting points, adding a catalyst if necessary, and stirring and mixing.
- the molecular weight of the reactive oligomer or polymer can be controlled by controlling the molar ratio of the compound having an epoxy group to hydantoin or a derivative thereof.
- the reaction product or polymer of the present invention has a high molecular weight and is solid at ordinary temperature.
- this reactive oligomer or polymer is more plastic than epoxy monomer, has higher transparency, and is less likely to yellow under UV irradiation.
- this reactive oligomer or polymer contains a large amount of nitrogen atoms and is hardly flammable, it has desirable properties for use in an encapsulant / laminate electronic device.
- the rigid resin composition of the present invention is characterized by containing the above reactive oligomer or polymer.
- the curable resin composition of the present invention preferably contains a curing catalyst that initiates a curing reaction of the resin by an active energy ray such as light or an electron beam or heat.
- the curable resin composition of the present invention can contain any epoxy resin in addition to the reactive oligomer. Examples of the epoxy resin include, for example, specific examples of the epoxy resin described above as the compound having an epoxy group. One or two or more of these epoxy resins can be used.
- a so-called curing agent that forms a three-dimensional network structure in the cured product can be used.
- An acid anhydride curing agent having an acid anhydride group in the molecule for example, as long as transparency and heat resistance are not impaired, such as tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, and hexahydrohydrogen Phthalic anhydride, methylhexahydrophthalic anhydride or hydrogenated methylnadic anhydride
- a phenolic curing agent having two or more phenol's in the molecule or a molecule thereof, for example, a curing agent such as bisphenol A, phenol nopolak, cresol novolak or naphthol nopolak, or primary amine can be used.
- the curing agent is preferably an acid anhydride since it is difficult to be colored due to transparency, high temperature during hardening and high temperature received from the environment after hardening.
- the molar ratio of the stoichiometric reactive groups between the epoxy resin (referred to as “base agent”) and the curing agent is preferably 100: 60 to 100: 120, more preferably 100: 75 to: L00: 110.
- base agent the ratio (equivalent ratio) between the base agent equivalent and the curing agent equivalent
- the curing agent equivalent is less than 60 with respect to the main agent equivalent of 100, the composition is hardly cured, the heat resistance of the cured product is reduced even when the composition is cured, or the cured product is hardly cured. The strength may be reduced.
- the curing agent equivalent exceeds 120, the heat resistance of the cured product may be reduced, the adhesive strength after hardening may be reduced, and the moisture absorption rate of the cured product may increase. .
- curing initiator examples include those that initiate cationic polymerization by light or heat, such as phosphonium salts, odonium salts, sulfonium salts, and silanol aluminum complexes, diazabicycloalkenes and salts thereof, Examples thereof include imidazoles or salts thereof, metal salts of organic acids, quaternary ammonium salts, and phosphines. These are also called curing catalysts, and may be any as long as they cause a curing reaction of the epoxy group.
- the resin composition of the present invention can be added to the resin composition of the present invention, if necessary, as long as the object of the present invention is not impaired.
- examples of such materials include an ultraviolet absorber, a radical stabilizer, an antioxidant, a flame retardant, a low-elasticity agent, a coloring agent, a diluent, a defoaming agent, and an ion trapping agent.
- an alicyclic epoxy resin or a triazine-based epoxy resin is preferably used in combination.
- the transparency of the cured product can be increased, the glass transition temperature can be adjusted, and the heat resistance can be improved.
- an alicyclic epoxy resin in the resin composition of the present invention.
- the transparency of the cured product is increased and the refractive index is adjusted to be low. can do.
- those having no ester group in the molecular structure are particularly preferable because of their excellent hydrolysis resistance.
- hydrogenated bisphenol A type epoxy resin or hydrogenated bisphenol F type epoxy resin, or olefin having a cyclic structure such as bicyclohexene or cyclooctadiene and a carbon-carbon double bond is used as an epoxy resin. What can be obtained by doing so can be listed.
- the reactive oligomer or polymer has the general formula (B):
- R 3 is a moiety obtained by removing a glycidyl group from hydrogenated bisphenol A glycidyl ether, that is,
- R 4 represents hydrogen or an alkyl group
- R 5 represents hydrogen or a C 4 alkyl group
- 1 represents a number of 0 or more.
- the reactive oligomer or polymer may be represented by, for example, the general formula (C)
- R 6 is a moiety obtained by removing a cyclic structure from an alicyclic epoxy resin, for example,
- R 7 represents hydrogen or ⁇ 4 alkyl radical
- R 8 represents hydrogen or ⁇ C 4 alkyl group
- m represents a number of 0 or more.
- the reactive oligomer or polymer has, for example, the general formula (D):
- R 9 represents a glycidyl group and 1 ⁇ . It is to display the glycidyl group or Ariru group, R u represents hydrogen or-alkyl group, R 12 is hydrogen or -. 4 represents an alkyl group, and n represents a number of 0 or more. ]
- Hydrogenated bisphenol A type epoxy resin manufactured by Dainippon Ink Co., Ltd., product number "EXA-7015", molecular weight 402) 20.lg, dimethylhydantoin (Mitsui Igaku Fine Fine Co., Ltd.) , Product number 5,5DMH, molecular weight 126) 6.3 g, and 0.074 g of organophosphorus curing catalyst (Nippon Iridaku Kogyo Co., Ltd., product number PX-4ET) in a stainless steel flask The mixture was stirred and mixed for 1 hour while melting at 150 ° C, then taken out of the flask and allowed to cool to room temperature to obtain Oligomer 1 having a melting point of 75 ° C. GPC analysis revealed no monomer peak and oligomerization. When the epoxy equivalent was measured in accordance with JIS K7236, the epoxy equivalent was 264.
- Triglycidyl isocyanurate (manufactured by Nissan Chemical Co., Ltd., part number "TEPIC-SJ, molecular weight 297") 29.7 g 'and dimethylhydantoin (manufactured by Mitsui Chemicals, Inc., product number "5,5DMH", molecular weight 126) 6.
- 3 g was placed in a stainless steel flask and stirred and mixed for 1 hour while melting at 150 ° C., then taken out of the flask and allowed to cool to room temperature to obtain oligomer 2 having a melting point of 70 ° C.
- GPC analysis revealed no monomer peak and oligomerization.
- the epoxy equivalent was measured in accordance with Jis K7236, the epoxy equivalent was 180.
- Monoaryl diglycidyl isocyanurate (manufactured by Shikoku Kasei Kogyo Co., Ltd., product number "MA-DGIC", molecular weight 281) 56.2 g, dimethylhydantoin (manufactured by Mitsui Chemicals, Inc., product number "5,5DMH", molecular weight 126) 12.6 g and organophosphorus curing catalyst (Nippon Chemical Industry Co., Ltd., product number "PX-4ET”) 0.148 g is put in a stainless steel flask, and stirred and mixed for 1 hour while melting at 150 ° C.
- Part number “1006FS”) was also measured for melt viscosity.
- oligomers 1 to 4 of the present invention have a higher melt viscosity than the epoxy resin for comparison.
- the oligomers 1 to 4 of the present invention are epoxy resins which are solid at ordinary temperature. Therefore, the oligomers 1 to 4 of the present invention are suitable for use in encapsulation using a solid resin (for example, transfer molding). Preparation of curable resin composition
- the components other than the curing catalyst were mixed with a disper (manufactured by Tokushu Kagaku Kogyo Co., Ltd.) in an oil path at 80 ° C. at the compounding amount (parts by mass) shown in Table 2 below.
- a curing catalyst was added, and the mixture was stirred for about 1 minute, taken out of the flask, and allowed to cool to room temperature to prepare a resin composition.
- Epoxy resin bisphenol A type epoxy resin (Japan epoxy resin, product number "1006FS", molecular weight 1918)
- HHPA Hexahydrophthalic anhydride
- Curing catalyst Phosphorus organic salt (manufactured by Nippon Chemical Industry Co., Ltd., product number "PX-4ETJ") Measurement of transmittance and yellowness
- the transmittance and yellowness (yellow index) of the cured products obtained from the resin compositions of Examples 1 to 4 and Comparative Example 1 were measured by the following methods. The measurement results are shown in Table 2 below.
- a lmm-thick silicon rubber sheet was used as a spacer, and an epoxy resin composition was sandwiched between stainless steel plates to make a 20 mm x 40 mm cast product. Curing conditions are 120 ° C for 1 hour, and then 150 ° C for 3 hours.
- the test piece obtained in this way is used to measure the transmittance and yellowness at 800 nm to 250 nm using a system in which an integrating sphere is mounted on a spectrophotometer UV-3100PC manufactured by Shimadzu Corporation. '
- a lmm-thick silicon rubber sheet was used as a spacer, and an epoxy resin composition was sandwiched between stainless steel plates to make a 20 mm ⁇ 40 mm cast product.
- the curing conditions are 120 ° C for 1 hour, and then 150 ° C for 3 hours.
- the test piece obtained in this way is irradiated with UV (20000 1 m) using a high-power UV high-pressure mercury lamp having a peak at 340 nm as a light source.
- the transmittance and yellowness of the sample obtained after UV irradiation are measured by the above-mentioned method. (Table 2)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Epoxy Resins (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005507373A JP4400567B2 (ja) | 2003-07-30 | 2003-07-30 | 樹脂組成物 |
| PCT/JP2003/009647 WO2005012383A1 (ja) | 2003-07-30 | 2003-07-30 | 樹脂組成物 |
| AU2003252728A AU2003252728A1 (en) | 2003-07-30 | 2003-07-30 | Resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/009647 WO2005012383A1 (ja) | 2003-07-30 | 2003-07-30 | 樹脂組成物 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005012383A1 true WO2005012383A1 (ja) | 2005-02-10 |
Family
ID=34113452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/009647 Ceased WO2005012383A1 (ja) | 2003-07-30 | 2003-07-30 | 樹脂組成物 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4400567B2 (ja) |
| AU (1) | AU2003252728A1 (ja) |
| WO (1) | WO2005012383A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007308631A (ja) * | 2006-05-19 | 2007-11-29 | Sumitomo Osaka Cement Co Ltd | ジルコニア含有エポキシ樹脂組成物とこれを含有する透明複合体および発光素子並びに光半導体装置 |
| JP2009256448A (ja) * | 2008-04-16 | 2009-11-05 | Nippon Kayaku Co Ltd | エポキシ樹脂、エポキシ樹脂組成物、及びその硬化物 |
| JP2011157462A (ja) * | 2010-02-01 | 2011-08-18 | Daicel Chemical Industries Ltd | 硬化性エポキシ樹脂組成物 |
| US9062176B2 (en) | 2008-02-18 | 2015-06-23 | Panasonic Intellectual Property Management Co., Ltd. | Transparent film |
| WO2018008341A1 (ja) * | 2016-07-07 | 2018-01-11 | 日産化学工業株式会社 | ヒダントイン環を有する化合物の製造方法 |
| CN108485187A (zh) * | 2018-03-29 | 2018-09-04 | 广州聚合新材料科技股份有限公司 | 改性环氧树脂材料及其制备方法、应用和风叶 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53121828A (en) * | 1977-04-01 | 1978-10-24 | Dainippon Ink & Chem Inc | Powder coating resin composition |
| JPS53143698A (en) * | 1977-05-20 | 1978-12-14 | Dainippon Ink & Chem Inc | Preparation of solid epoxy resin useful for powder coating and having improved weather resistance |
| JPS5614567A (en) * | 1979-07-16 | 1981-02-12 | Dainippon Ink & Chem Inc | Resin composition for powder paint |
| WO1997021751A1 (en) * | 1995-12-14 | 1997-06-19 | Minnesota Mining And Manufacturing Company | Method for preparing a curing agent for epoxy resins |
| WO1997021752A1 (en) * | 1995-12-14 | 1997-06-19 | Minnesota Mining And Manufacturing Company | Latent curing agent compositions and a method of making |
-
2003
- 2003-07-30 WO PCT/JP2003/009647 patent/WO2005012383A1/ja not_active Ceased
- 2003-07-30 AU AU2003252728A patent/AU2003252728A1/en not_active Abandoned
- 2003-07-30 JP JP2005507373A patent/JP4400567B2/ja not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53121828A (en) * | 1977-04-01 | 1978-10-24 | Dainippon Ink & Chem Inc | Powder coating resin composition |
| JPS53143698A (en) * | 1977-05-20 | 1978-12-14 | Dainippon Ink & Chem Inc | Preparation of solid epoxy resin useful for powder coating and having improved weather resistance |
| JPS5614567A (en) * | 1979-07-16 | 1981-02-12 | Dainippon Ink & Chem Inc | Resin composition for powder paint |
| WO1997021751A1 (en) * | 1995-12-14 | 1997-06-19 | Minnesota Mining And Manufacturing Company | Method for preparing a curing agent for epoxy resins |
| WO1997021752A1 (en) * | 1995-12-14 | 1997-06-19 | Minnesota Mining And Manufacturing Company | Latent curing agent compositions and a method of making |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007308631A (ja) * | 2006-05-19 | 2007-11-29 | Sumitomo Osaka Cement Co Ltd | ジルコニア含有エポキシ樹脂組成物とこれを含有する透明複合体および発光素子並びに光半導体装置 |
| US9062176B2 (en) | 2008-02-18 | 2015-06-23 | Panasonic Intellectual Property Management Co., Ltd. | Transparent film |
| JP2009256448A (ja) * | 2008-04-16 | 2009-11-05 | Nippon Kayaku Co Ltd | エポキシ樹脂、エポキシ樹脂組成物、及びその硬化物 |
| JP2011157462A (ja) * | 2010-02-01 | 2011-08-18 | Daicel Chemical Industries Ltd | 硬化性エポキシ樹脂組成物 |
| WO2018008341A1 (ja) * | 2016-07-07 | 2018-01-11 | 日産化学工業株式会社 | ヒダントイン環を有する化合物の製造方法 |
| CN109415350A (zh) * | 2016-07-07 | 2019-03-01 | 日产化学株式会社 | 具有乙内酰脲环的化合物的制造方法 |
| CN108485187A (zh) * | 2018-03-29 | 2018-09-04 | 广州聚合新材料科技股份有限公司 | 改性环氧树脂材料及其制备方法、应用和风叶 |
| CN108485187B (zh) * | 2018-03-29 | 2021-05-11 | 广州聚合新材料科技股份有限公司 | 改性环氧树脂材料及其制备方法、应用和风叶 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005012383A1 (ja) | 2006-09-14 |
| JP4400567B2 (ja) | 2010-01-20 |
| AU2003252728A1 (en) | 2005-02-15 |
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