WO2008041680A1 - Article moulé de résine transparente, lentille optique et film optique - Google Patents
Article moulé de résine transparente, lentille optique et film optique Download PDFInfo
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- WO2008041680A1 WO2008041680A1 PCT/JP2007/069218 JP2007069218W WO2008041680A1 WO 2008041680 A1 WO2008041680 A1 WO 2008041680A1 JP 2007069218 W JP2007069218 W JP 2007069218W WO 2008041680 A1 WO2008041680 A1 WO 2008041680A1
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- resin molded
- resin
- transparent
- transparent resin
- molding
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- 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
- C08J5/18—Manufacture of films or sheets
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
Definitions
- the present invention relates to a transparent resin molded body used for forming an optical lens or an optical film mounted in an electronic component, and an optical lens and an optical film formed from the transparent resin molded body.
- solder reflow which is a method of obtaining high mounting density and high production efficiency
- solder reflow which is a method of obtaining high mounting density and high production efficiency
- the use of lead-free solder with a high melting point has been desired due to environmental problems. Therefore, even at solder reflow, heating at a high temperature of 220 to 270 ° C has been performed. Therefore, the electronic parts are also required to have heat resistance that can withstand this high temperature.
- the electronic component includes a component incorporating a member such as an optical lens or a transparent film that requires transparency.
- a member such as an optical lens or a transparent film that requires transparency.
- inorganic glass and transparent thermoplastic resin moldings have been used for these transparent members.
- thermoplastic resins such as methyl methacrylate, polycarbonate, and polyethylene terephthalate are lightweight and have excellent mechanical properties and excellent processability. However, they are superior to glass in terms of heat resistance and optical properties (transparency, discoloration, etc.). There was a problem of being inferior. Therefore, when these thermoplastic resins are used, a resin molded product having sufficient heat resistance (hereinafter referred to as reflow heat resistance) that can withstand the high temperature of solder reflow using lead-free solder is obtained. Being Absent.
- Examples of the resin having better heat resistance than the above resin include polysulfone, polyethersulfone, polyimide, polyetherimide and the like.
- the resin molded body that can obtain these forces has a problem of low birefringence in the visible light region (380 to 740 nm) and high birefringence because the resin contains a benzene ring.
- An object of the present invention is to provide a transparent resin molded article having both excellent reflow heat resistance and optical characteristics.
- the present invention further provides an optical lens and an optical film which are made of this transparent resin molded article and have excellent heat resistance and optical properties.
- the present inventor made a raw material a molding material containing a crosslinkable thermoplastic resin having a high transmittance in the visible to near-infrared range, and used this thermoplastic resin.
- the present invention has been completed by finding that the above-mentioned problems can be achieved by a resin molded product obtained by crosslinking, which has a high transmittance in the visible to near infrared range! did.
- thermoplastic resin obtained by molding a molding material containing a thermoplastic resin and crosslinking the thermoplastic resin
- thermoplastic resin is selected from resins having an average transmittance of 60% or more in a wavelength range of 600 to OOOnm in a molded product having a thickness of 2 mm;
- a transparent resin molded product wherein the resin molded product is heated at 200 ° C. for 10 minutes to have a thickness of 2 mm, and an average transmittance in a wavelength range of 600 to 10 OOnm is 60% or more I will provide a.
- thermoplastic resin is cross-linked, it is a cross-linkable thermoplastic resin.
- a crosslinkable thermoplastic resin is a thermoplastic resin that has a moiety (crosslinking site) that can form a crosslink in its main chain or side chain, that is, the ability to cause a crosslinking reaction by heating, ionizing radiation irradiation, UV irradiation, etc.
- the thermoplastic resin which has this.
- a crosslinked molded product After molding a molding material containing the crosslinkable thermoplastic resin, a crosslinked molded product can be obtained by heating, irradiation or the like.
- the molding method is not particularly limited and is publicly available. Known molding methods can be employed. For example, injection molding method, injection compression molding method, press molding method, extrusion molding method, blow molding method, vacuum molding method and the like can be mentioned. In the case of forming into a film shape, an extrusion molding method using a ⁇ die, a calendar molding method, an inflation molding method, a press, a casting, a thermoforming, etc. can be used.
- the molded product obtained by crosslinking is excellent in heat resistance and rigidity, and also has good creep resistance and wear resistance. Molding is easy at the stage before cross-linking, and therefore, a molded body having excellent characteristics can be easily obtained by performing predetermined molding at this stage and performing cross-linking by heating or irradiation after the molding. Can do.
- Examples of the crosslinking method include a heating method, a crosslinking method using an electron beam or other radiation, and the like.
- a method of crosslinking using an electron beam or other radiation is preferable because it is easy to control without being limited in temperature and fluidity during molding.
- Examples of radiation include ⁇ -rays as well as electron beams.
- the degree of cross-linking is not particularly limited, and is set according to the target resin molded product.
- the average transmittance in the wavelength range of 600 to 1000 nm is 60% or more. Heating at 200 ° C for 10 minutes is a condition that takes into account resistance to non-reflow. If this average transmittance is less than 60%, there is a problem of low transparency after solder reflow.
- the average transmittance in this range of the glass having a thickness of 2 mm is 80% or more. Therefore, when the transparent resin molded body is heated at 200 ° C for 10 minutes to have a thickness of 2 mm, a wavelength of 600 ⁇ ;! A transparent resin molded article having an average transmittance in the range of OOOnm of 80% or more is preferable.
- the total light transmittance power when heated at 200 ° C for 10 minutes When the thickness of the transparent resin molding is 2 mm, it is 60% or more Is preferable because of its high transparency in the visible light castle.
- Total light transmittance is an indicator of transparency, and the measurement is performed using the measurement method specified in JIS K 7361. In the range of visible light, the amount of incident light T and the total amount of light that has passed through the test piece. It is expressed as a percentage of the ratio to T.
- the transparent resin molded body when the transparent resin molded body is heated at 200 ° C for 10 minutes to a thickness of 2 mm, the average transmittance power S in the range of UOOnm is 60% or more.
- the resin molded body is preferably used for near infrared, which has high transparency in the near infrared region.
- the transparent resin molded article of the present invention preferably has a storage elastic modulus at 270 ° C of not less than 0. IMPa (claim 2). By setting the storage elastic modulus at 270 ° C to 0. IMPa or more, satisfactory rigidity can be obtained from room temperature to high temperature exceeding reflow temperature. Therefore, the problem of thermal deformation hardly occurs even during reflow heating. More preferably, the storage elastic modulus at 270 ° C. is IMPa or more, and a more excellent molded body is obtained in which the problem of thermal deformation is less likely to occur.
- the storage elastic modulus is a term (real number term) that constitutes a complex elastic modulus representing a relationship between stress and strain when sinusoidal vibration strain is applied to a viscoelastic body. It is a value measured with an elasticity meter (DMS). More specifically, it is a value measured at a rate of temperature increase of 10 ° C / min by a viscoelasticity measuring instrument based on DVA-200 made by IT Measurement Control.
- DMS elasticity meter
- the transparent resin molded product of the present invention is obtained from a crosslinkable thermoplastic resin.
- This thermoplastic resin is produced when a molded product having a thickness of 2 mm is produced from the resin.
- the resin is mainly composed of a polymer, but may contain an oligomer or a monomer.
- the weight average molecular weight is 5000 or more.
- thermoplastic resin one or more resins selected from the group consisting of transparent polyamide, cyclic polyolefin, polystyrene, fluororesin, polyester, acrylic, polycarbonate, and ionomer resin. Is preferably exemplified (Claim 3)
- thermoplastic resin which is preferably one constituted by a main polarizability 0. 6 X 10- 23 monomer comprising only the following chemical bond (claim 4).
- the monomer when the main fraction pole ratio is different depending on the direction to chemical bonds are those that consisting only either 0. 6 X 10_ 23 following chemical bond even with the direction is preferable.
- Transparent polyamide is a force disclosed in JP-A-62-121726, JP-A-63-170418, JP-A-2004-256812, etc. These are rings such as aromatic rings and alicyclic rings. It is obtained by using a monomer having a non-crystalline property and has a high glass transition point.
- the transparent polyamide is, for example, a force that can be obtained by condensing diamine and dicarboxylic acid.
- branched or unbranched aliphatic diamines having 14 C atoms for example 1, 6 hexamethylene diamine, 2 methylolene 1, 5 diaminopentane, 2, 2, 4 trimethyl Hexamethylenediamine, 2,4,4 trimethylhexamethylenediamine, 1,9 nonamethylenediamine, 1,10-decamethylenediamine, 1,12-decamethylenediamine;
- Cycloaliphatic diamines having 6 to 22 C atoms such as 4,4'-diaminodicyclohexylmethane, 3,3'-dimethyl-4, A'-diaminodicyclohexylmethane, 4,4'-diaminodi Cyclohexylpropane, 1,4-diaminocyclohexane, 1,4 bis (aminomethyl) monocyclohexane, 2,6 bis (aminomethyl) mononorbornane, or 3-aminomethylolene 3, 5, 5-trimethinorecyclo Hexenoleamine;
- araliphatic diamines having 8 to 22 C atoms such as m-xylylenediamine, p-xylylenediamine or bis (4-aminophenyl) propane.
- Branched or unbranched aliphatic dicarboxylic acids having 6 to 22 C atoms such as adipic acid, 2, 2, 4 trimethyladipic acid, 2, 4, 4 trimethyladipic acid, aze Rhine acid, sebacic acid, or 1,12-dodecanedioic acid;
- Cycloaliphatic dicarboxylic acids having 6 to 22 C atoms such as cyclohexane 1,4-dicarboxylic acid, 4,4'-dicarboxyldicyclohexylmethane, 3, 3'-dimethylol 4, A ' Canoleboxinoresicyclohexinomethane, 4, A'-dicanoleboxinoresi cyclohexylpropane, or 1,4 bis (carboxymethinole) cyclohexane;
- An araliphatic dicarboxylic acid having 8 to 22 C atoms such as 4,4'-diphenolinomethane dicanolebonic acid;
- Aromatic dicarboxylic acids having 8 to 22 C atoms such as isophthalic acid, tributyl Sophthalic acid, terephthalic acid, 1,4 naphthalene dicarboxylic acid, 1,5-Naphthalene dicarboxylic acid, 2, 6 naphthalene dicarboxylic acid, 2, 7 naphthalene dicarboxylic acid, diphenic acid, or diphenyl ether 4, 4'-dicarboxylic acid Etc. Power to raise S.
- the transparent polyamide is also measured by the power that can be obtained by ring-opening polymerization of ratatam or condensation of ⁇ -aminocarboxylic acid.
- a raw material monomer used at this time As a raw material monomer used at this time,
- Ratatam with 12 C atoms or corresponding ⁇ -amino carboxylic acid, ⁇ one strength prolatatam, ⁇ aminocaproic acid, force prilllatatam, ⁇ -amino force prillic acid, ⁇ -aminoundecanoic acid, laurinlatatam, or ⁇ aminododecane The ability to raise acids, etc.
- a polyamide comprising terephthalenolic acid and an isomer mixture of 2,2,4 trimethinorehexamethylenediamine and 2,4,4 trimethinorexamethylenediamine;
- a polyamide comprising isophthalic acid and 1,6 xamethylenediamine
- a copolyamide consisting of terephthalic acid / isophthalic acid and 1,6 xamethylenediamine
- a copolyamide comprising isophthalic acid, and 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane, and laurinlatatam or proprolatam
- a copolyamide comprising isophthalic acid, and 4,4′-diaminodicyclohexylmethane, and laurinlatatam or proprolatam
- terephthalic acid / isophthalic acid mixture and 3,3'-dimethyl-4,4'-diaminodicyclohexylmethane, and copolyamide composed of laurinlatatum.
- Transparent polyamide is also a blend of many different polyamides within the scope of the present invention. Good. If the formulation itself is transparent, this formulation component may contain a crystalline one. Specific examples of products of transparent polyamide include transparent nylon 12 (trade names Grillamide TR-55, TR-90 (manufactured by Ems Chemie Japan)) and the like. These transparent polyamides are excellent in UV resistance, and hardly cause discoloration or deformation even when UV is emitted by xenon emission.
- the cyclic polyolefin is a polyolefin resin obtained by polymerizing a monomer containing a cyclic olefin monomer.
- the cyclic olefin monomers are known from JP-A-8-20692, and preferred examples include cyclopentene, 2-norbornene, and tetracyclododecene compounds.
- nonoleponorenene 5 methyl-2-norbornene, 5,5 dimethyl-2 norbornene, 5 ethyl-2-norbornene, 5 butyl-2-norbornene, 5-ethylidene-2 norbornene, 5 methoxycarbonyl 2 norbornene, 5 cyano 1 2 Norbornene, 5 Methyl 5 Methoxycarbonyl 2 Norbornene, 5 —Phenolux 2 Norbornene, 5 Phenol 5 Methyl 2 Norbornene, Dicyclopentadiene, 2, 3 Dihydrodicyclopentagen, Tetracyclo-3 Dodecene, 8- Methyltetracyclo-3-dodecene, 8-ethyltetracyclo-3-dodecene, 8-hexyltetracyclo-3 dodecene, 2,10-dimethyltetracyclo-3 dodecene, 5,
- the cyclic polyolefin resin can be obtained by polymerizing a monomer containing the cyclic olefin monomer.
- Monomers to be subjected to the polymerization reaction include monomers other than the above-mentioned cyclic olefin monomers.
- the monomer other than the cyclic olefin monomer a monomer having an unsaturated group copolymerizable with the cyclic olefin monomer is used.
- Unsaturated carboxylic acids such as acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, citraconic acid, tetrahydrophthalic acid, methyltetrahydrophthalic acid;
- Acrylic acid esters and methacrylic acid esters such as methyl acrylate, ethyl acrylate, hydroxyethyl acrylate, methyl methacrylate, ethyl methacrylate, hydroxyethyl methacrylate;
- Unsaturated dicarboxylic acid diesters such as dimethyl maleate, dimethyl fumarate, jetyl itaconate, dimethyl citraconic acid;
- Unsaturated carboxylic acid anhydrides such as maleic anhydride, itaconic anhydride, citraconic anhydride, tetrahydrophthalic anhydride, and methyltetrahydrophthalic anhydride;
- Vinylenoreconoles such as vinylenoreconole and vinylinole acetate; vinylenoestenoles; styrenes such as styrene and ⁇ -methylstyrene are exemplified.
- the cyclic polyolefin-based resin is, for example, a random addition copolymerization of the cyclic olefin monomer and other monomers, or a cyclic olefin monomer together with the other monomers. It can be produced by a method of ring polymerization and hydrogenation of the ring-opened polymer.
- Known conditions described in JP-A-8-20692 and the like can be adopted as polymerization conditions such as a catalyst, a solvent and a reaction temperature to be used.
- Examples of the polyolefin resin thus obtained include resins represented by the following structural formula (1) or (2).
- R, R and X are each a hydrogen atom, a hydrocarbon group, a halogen, a hydroxyl group or an ester.
- a polar group-substituted hydrocarbon group such as an alkyl group, an alkoxy group, a cyano group, an amide group, an imide group, or a silyl group, which may be the same or different! /!
- Polar group-substituted hydrocarbon groups such as halogen, hydroxyl group, ester group, alkoxy group, cyano group, amide group, imide group and silyl group.
- Specific examples of cyclic olefins are Cappell 6013T (Mitsui Chemicals).
- any of atactic, isotactic, and syndiotactic can be used. From the viewpoint of crosslinkability, the syndiotactic structure is preferable because it has excellent crosslinkability.
- fluororesin examples include fluorinated polyimide, fluorinated acrylate, vinylidene fluoride, and ethylene-tetrafluoroethylene copolymer (ETFE).
- ionomer resins include olefin-based ionomers (for example, trade name “Noura Ilamin” manufactured by Mitsui DuPont Polychemical, trade name “Surlin” manufactured by DuPont) and fluorine ionomers (eg, ETFE ionomer manufactured by Daikin). ) Etc. Power S
- the transparent polyamide When the transparent polyamide is cross-linked, the water absorption decreases.
- ionomers and polyamides have polarity, the adhesion strength of plating and vapor deposition can be increased. Therefore, it is suitably used for applications such as reflectors and photoelectric conversion parts, and for forming circuits on lens parts.
- the transparent resin molded product of the present invention preferably further contains a filler, particularly a filler, as a reinforcing material (claim 5).
- a filler particularly a filler, as a reinforcing material.
- a filler it is desirable to use a so-called transparent filler having a refractive index close to that of a resin in order not to impair the transparency of the molded body.
- An example of the transparent filler is a transparent glass fiber.
- the addition amount is preferably 0.;! To 50 parts by weight, more preferably 1 to 50 parts by weight with respect to 100 parts by weight of the resin.
- a filler, a fumed silica, a nanometal filler, or a nanocomposite filler in which the particle diameter of the filler is not more than the wavelength of light can also be used.
- An example of the organic filler is bionanofiber (Kyoto University).
- the filler content is less than 0.1 part by weight, it is necessary to increase the heating amount and the irradiation amount of an electron beam, etc., and as a result, problems such as coloring of the molded product are likely to occur. In addition to being brittle Tend to. When the filler content exceeds 50 parts by weight, the resulting molded product tends to be brittle.
- the transparent resin molded product of the present invention may further contain a crosslinking aid.
- Crosslinking in combination with a crosslinking aid is preferred because it promotes crosslinking and provides excellent heat resistance and rigidity.
- crosslinking aids include oximes such as p-quinone dioxime, p, p'-dibenzoylquinone dioxime; ethylene dimetatalylate, polyethylene glycol dimetatalylate, trimethylolpropane trimetatalylate, cyclohexyl Metatarylates, acrylic acid / lead oxide mixtures, arylates or metatalylates such as allylic metatalylates; dibutylbenzene, butyltoluene, butylpyridine and other butyl monomers; hexamethylenediaryl nadiimide, Aryl compounds such as diaryl itaconate, diaryl phthalate, diaryl isophthalate, diaryl monoglycidyl isocyanurate, triaryl cyanurate, triallyl isocyanurate; N, N, 1 m-phenol Renbismaleimide, N, N,-(4, 4, monomethylene diphenol And maleimide
- crosslinking aids may be used alone or in combination.
- introduction of double bonds to the main chain of the thermoplastic resin, introduction of reactive substituents, etc. Can be mentioned.
- the transparent resin molded body of the present invention includes other components such as an antioxidant, an ultraviolet absorber, a weather resistance stabilizer, a copper damage inhibitor, and a flame retardant, as long as the gist of the present invention is not impaired. Further, a lubricant, a conductive agent, a texture imparting agent and the like can be added.
- the transparent resin molded product of the present invention is excellent in heat resistance and optical characteristics
- optical films such as lenses for infrared communication (Claim 6), polarizing films, retardation films, light diffusion sheets, prism sheets, condensing sheets, lenticular lenses, etc.
- the transparent resin molded body of the present invention has excellent heat resistance that can withstand reflow using lead-free solder and ITO deposition, and also has high transparency, so that it is incorporated into electronic components. It is preferably used as a material of a member that requires transparency. In particular, it can be suitably used as an optical material constituting an optical lens or an optical film, electronic paper, or a flexible display.
- FIG. 1 is a graph showing the relationship between wavelength and transmittance for the sample of Example 1.
- FIG. 2 is a graph showing the relationship between wavelength and transmittance for the sample of Example 7.
- thermoplastic resin As a crosslinkable thermoplastic resin,
- Tg 155.
- C average transmittance at 600 to 1000 wavelengths (thickness 2111111) 91%
- Tg 160.
- C average transmittance at 600 to 1000 wavelengths (thickness 2111111) 91%
- Tg 145 ° C, wavelength 600 ⁇ ;! OOOOm average transmittance (thickness 2mm) 90%
- each of the crosslinkable thermoplastic resins was blended with the following components in the blending ratios (all parts by weight) shown in Table 1, and 5 cm x 7 cm x 2 mm thick plate (sample) by injection molding ) was molded.
- DA-MGIC Diallyl monoglycidyl isocyanurate (Shikoku Kasei Kogyo Co., Ltd.) Mouth.
- TDI500 Trimethylolpropane tritalylate (Dainippon Ink and Chemicals) No.
- TAIC Triallyl isocyanurate (Japan) (Made by Kasei)
- the sample was irradiated with an electron beam having an irradiation amount shown in Table 1 for crosslinking. Then, the reflow heat resistance, transmission characteristics (transmittance), total light transmittance, and storage elastic modulus (270 ° C.) of the sample were measured by the following methods. The results are also shown in Table 1.
- Table 1 shows the results based on the following criteria.
- Example 1 and Example 7 containing TAIC as a crosslinking aid using transparent polyamide resin (Grillamide TR-90) as the thermoplastic resin was allowed to stand for 4 hours in an atmosphere of 150 ° C, 30 ° C
- the sample was left in a 70% humidity atmosphere for 72 hours and immersed in a 260 ° C solder bath for 1 minute, and the transmittance was measured in the wavelength range of 300 nm to 1200 nm.
- FIG. 1 (Example 1) and FIG. 2 (Example 7) shown after heat treatment in the figure).
- the transmittance of the sample before the treatment was measured in the same manner, and the results are also shown in FIG. 1 (Example 1) and FIG. 2 (Example 7) (in the figure, shown as before heat treatment).
- the ratio of the incident light quantity T to the total light quantity T that passed through the test piece in the visible light range is 100% in accordance with JIS K 7361.
- Example 1 The sample of Example 1 is about 450 nm, the sample of Example 7 is longer than about 470 nm, and the transmittance of the heat-treated sample is over 60%, almost the entire visible range. Excellent transmittance over a wide range,
- each sample has a wavelength longer than about 600 nm and a wavelength shorter than about lOOOnm, and the transmittance after the heat treatment exceeds 85%, which is comparable to inorganic glass. Excellent transmittance is obtained,
- Example 8 in which crosslinking was performed by irradiation with an electron beam but no crosslinking aid was blended, the storage elastic modulus at 270 ° C. was less than 0. IMPa.
- Comparative Examples 1 and 2 which were not crosslinked were melted at 260 ° C. for 1 minute, and the storage elastic modulus at 270 ° C. could not be measured.
- Fresnel lenses were injection molded. After injection molding, cross-linking was performed by irradiating an electron beam with a dose of 480 kGy. The sample irradiated with the electron beam was mounted on a mounter and then reflowed at a peak temperature of 260 ° C. The sample thus obtained was tested for light emission using a xenon as a light source for a digital camera strobe, and was found to have a strobe function.
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Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07828958.4A EP2070973B1 (en) | 2006-10-02 | 2007-10-01 | Transparent resin molding, optical lens, and optical film |
KR1020097006028A KR101307629B1 (ko) | 2006-10-02 | 2007-10-01 | 투명 수지 성형체 및 광학 렌즈 및 광학 필름 |
CN2007800370505A CN101522762B (zh) | 2006-10-02 | 2007-10-01 | 透明树脂模塑制品、光学透镜及光学膜 |
US12/442,037 US7951866B2 (en) | 2006-10-02 | 2007-10-01 | Transparent resin molding, optical lens, and optical film |
Applications Claiming Priority (2)
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JP2006271121A JP2008088303A (ja) | 2006-10-02 | 2006-10-02 | 透明樹脂成形体並びに光学レンズ及び光学フィルム |
JP2006-271121 | 2006-10-02 |
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WO2008041680A1 true WO2008041680A1 (fr) | 2008-04-10 |
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PCT/JP2007/069218 WO2008041680A1 (fr) | 2006-10-02 | 2007-10-01 | Article moulé de résine transparente, lentille optique et film optique |
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US (1) | US7951866B2 (ja) |
EP (1) | EP2070973B1 (ja) |
JP (1) | JP2008088303A (ja) |
KR (1) | KR101307629B1 (ja) |
CN (1) | CN101522762B (ja) |
WO (1) | WO2008041680A1 (ja) |
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US20100048805A1 (en) | 2010-02-25 |
CN101522762B (zh) | 2013-07-17 |
JP2008088303A (ja) | 2008-04-17 |
CN101522762A (zh) | 2009-09-02 |
EP2070973B1 (en) | 2018-04-18 |
EP2070973A1 (en) | 2009-06-17 |
EP2070973A4 (en) | 2016-02-17 |
KR101307629B1 (ko) | 2013-09-12 |
US7951866B2 (en) | 2011-05-31 |
KR20090057992A (ko) | 2009-06-08 |
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