WO2022075162A1 - 活性エネルギー線硬化性組成物、硬化物、レンズ及びカメラモジュール - Google Patents
活性エネルギー線硬化性組成物、硬化物、レンズ及びカメラモジュール Download PDFInfo
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- WO2022075162A1 WO2022075162A1 PCT/JP2021/036033 JP2021036033W WO2022075162A1 WO 2022075162 A1 WO2022075162 A1 WO 2022075162A1 JP 2021036033 W JP2021036033 W JP 2021036033W WO 2022075162 A1 WO2022075162 A1 WO 2022075162A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/061—Polyesters; Polycarbonates
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
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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
- G02B1/041—Lenses
Definitions
- the present invention relates to an active energy ray-curable composition, a cured product, a lens and a camera module.
- a camera module has been produced by a method of molding a resin lens by an injection mold or the like using a thermoplastic resin typified by a cycloolefin polymer and assembling a lens unit.
- the conventional method has a limit in productivity and thinning.
- a method for producing a camera module that achieves both productivity and thinning by superimposing wafer level lenses formed by a replica method and assembling a lens unit is disclosed (Patent Document 1). ).
- the lens unit corrects chromatic aberration by superimposing a plurality of lenses having different optical constants, mainly refractive index ( nd) and Abbe number ( ⁇ d ) , and realizes high pixel count.
- an active energy ray-curable resin composition is preferably used from the viewpoint of productivity, transparency, heat resistance and the like.
- a resin composition using a polycarbonate diol (meth) acrylate having an aliphatic skeleton as a material for a wafer level lens having a medium refractive index and a high Abbe number is disclosed (Patent Document 2).
- Wafer level lenses are expected to be mounted directly on the substrate, so heat resistance that can withstand solder reflow (170 ° C to 260 ° C) is required.
- a method of adding a thiol compound or an antioxidant is disclosed for improving heat resistance (Patent Documents 3 and 4).
- the moisture resistance that can withstand the wet heat test 85 ° C.-85% RH-1000h is required.
- the aliphatic skeleton showing a medium refractive index and a high Abbe number optical constant is hydrophobic and has a problem that abnormalities are likely to occur after a moist heat test.
- the problems to be solved by the present invention are that it has a high Abbe number and transmittance, the change in transmittance is small even after solder reflow, it has excellent heat resistance and moisture heat resistance, and an inorganic layer formed on the surface is formed. It is an object of the present invention to provide an active energy ray-curable composition capable of forming a lens having crack resistance that does not cause cracks even after undergoing thermal history and having excellent adhesion to an inorganic layer formed on the surface. ..
- an active energy ray-curable composition containing a compound having a (meth) acryloyl group, which has the following general formula (1) in one molecule.
- Di (meth) acrylate (B) is contained, and the component (A) is 1% by mass or more and 50% by mass with respect to 100% by mass of the total mass of the compound having a (meth) acryloyl group excluding the component (A).
- the present invention is an active energy ray-curable composition containing a compound having a (meth) acryloyl group, and comprises the group consisting of the following general formulas (1), (2) and (3) in one molecule. It contains a compound (A) having at least one selected structure and two or more (meth) acryloyl groups, and a polycarbonate diol di (meth) acrylate (B) represented by the following general formula (4). Active energy ray curability characterized by containing 1% by mass or more and less than 50% by mass with respect to 100% by mass of the total mass of the compound having a (meth) acryloyl group excluding the component (A). Concerning compositions, cured products, lenses and camera modules.
- R 1 independently represents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms, an alkoxy group, a (meth) acryloyloxyalkyl group or a (meth) acryloyloxyalkyloxy group.
- X represents a methylene group or an oxygen atom.
- R 2 independently represents a hydrogen atom or a methyl group
- R 3 independently represents a hydrocarbon group having 1 to 10 carbon atoms.
- N is an integer of 1 to 10. Is.
- the present invention has a high Abbe number and transmittance, a small change in transmittance even after solder reflow, excellent heat resistance and moisture heat resistance, and an inorganic layer formed on the surface undergoes a thermal history. It is possible to provide an active energy ray-curable composition capable of forming a lens having crack resistance that does not cause cracks and having excellent adhesion to an inorganic layer formed on the surface.
- the active energy ray-curable composition of the present invention can be easily cured by irradiation with active energy rays, and can be suitably used for lens production by optical imprint.
- the lens formed by the active energy ray-curable composition of the present invention has a high Abbe number and can reduce chromatic aberration. Further, the lens has heat resistance with a small change in transmittance before and after solder reflow, and can be suitably used for a wafer level lens. Further, since it has moisture and heat resistance that does not cause peeling or defects from the base material even under high temperature and high humidity, it can be suitably used as a wafer level lens having excellent long-term stability. In addition, since the inorganic layer formed on the lens surface suppresses the occurrence of cracks and peeling due to heat history and high temperature and high humidity, it is suitably used as a wafer level lens provided with an inorganic layer such as an antireflection layer. be able to.
- the active energy ray-curable composition of the present invention is an active energy ray-curable composition containing a compound having a (meth) acryloyl group, and the following general formulas (1), (2) and ( A compound (A) having at least one structure selected from the group consisting of 3) and two or more (meth) acryloyl groups, and a polycarbonate diol di (meth) acrylate (B) represented by the following general formula (4). ), And the component (A) is characterized by containing 1% by mass or more and less than 50% by mass with respect to the total mass of 100% by mass of the compound having a (meth) acryloyl group excluding the component (A). It is an active energy ray-curable composition.
- R 1 independently represents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms, an alkoxy group, a (meth) acryloyloxyalkyl group or a (meth) acryloyloxyalkyloxy group.
- X represents a methylene group or an oxygen atom.
- R 2 independently represents a hydrogen atom or a methyl group
- R 3 independently represents a hydrocarbon group having 1 to 10 carbon atoms.
- N is an integer of 1 to 10. Is.
- (meth) acrylate means acrylate and / or methacrylate.
- (meth) acryloyl means acryloyl and / or methacryloyl.
- (meth) acrylic means acrylic and / or methacrylic.
- the compound (A) having at least one structure selected from the group consisting of the general formulas (1), (2) and (3) and two or more (meth) acryloyl groups in the one molecule (hereinafter, "(hereinafter,” ( A) component ”) means at least one structure selected from the group consisting of the general formulas (1), (2) and (3) in one molecule, and two or more (meth) acryloyls. It has a group as an essential.
- an active energy ray-curable composition having a high Abbe number, excellent heat resistance and moisture heat resistance, and capable of forming a lens having excellent crack resistance and adhesion of an inorganic layer can be obtained. Be done.
- the component (A) has at least one structure selected from the group consisting of the general formulas (1), (2) and (3), it has an organosilane skeleton, a linear and cyclic siloxane skeleton, and a random skeleton. Includes mold, ladder and cage type siloseskioxane skeletons and the like.
- examples of R 1 include a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms, an alkoxy group, a (meth) acryloyloxyalkyl group, and a (meth) acryloyloxyalkyloxy group.
- alkyl group having 1 to 10 carbon atoms include a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an s-butyl group, an isobutyl group, a t-butyl group and an n-.
- alkoxy group examples include a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, an s-butoxy group, an isobutoxy group, a t-butoxy group, a pentyloxy group and a hexyloxy group.
- alkoxy group examples include a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, an s-butoxy group, an isobutoxy group, a t-butoxy group, a pentyloxy group and a hexyloxy group.
- examples thereof include a cyclohexyloxy group.
- the (meth) acryloyloxyalkyl group examples include (meth) acryloyloxymethyl group, (meth) acryloyloxyethyl group, (meth) acryloyloxypropyl group, (meth) acryloyloxybutyl group, and (meth) acryloyl. Examples thereof include an oxypentyl group and a (meth) acryloyloxyhexyl group.
- (meth) acryloyloxyalkyloxy group examples include (meth) acryloyloxymethyloxy group, (meth) acryloyloxyethyloxy group, (meth) acryloyloxypropyloxy group, and (meth) acryloyloxybutyloxy group. , (Meta) acryloyloxypentyloxy group, (meth) acryloyloxyhexyloxy group and the like.
- the two or more (meth) acryloyl groups of the component (A) may be contained in the general formulas (1), (2) and (3) as a partial skeleton of the R1 .
- the component (A) may be located at any of the end of the main chain, the inside of the main chain skeleton, the end of the branched chain, and the inside of the branched chain skeleton. It may be either a direct bond or a bond via a linking group.
- Examples of the chain structure include polyalkylene glycol, polyester, poly (meth) acrylate, polyurethane, polysiloxane, etc., and may be either a linear structure or a branched chain structure.
- the linking group include alkylene glycol, caprolactone, alkylene isocyanate and the like.
- component (A) include, for example, (meth) acryloyl group-modified organosilane, (meth) acryloyl group-modified siloxane, (meth) acryloyl group-modified polysiloxane, (meth) acryloyl group-modified siloseskioxane, and the like.
- examples thereof include (meth) acryloyl group-modified silicone oligomer and (meth) acryloyl group-modified silicone oil.
- Examples of commercially available products of the component (A) include “X-12-1048”, “X-12-1050”, “X-12-2475”, and “X-12-” manufactured by Shin-Etsu Chemical Industry Co., Ltd. 2430C ”,“ X-22-164 ”,“ X-22-164AS ”,“ X-22-164A ”,“ X-22-164B ”,“ X-22-164C ”,“ X-22-164E ” , “X-22-2445”, “X-40-2475”, “X-40-9296”, “X-40-9308”, “KP-410", “KP-411”, “KP-412” , “KP-413", “KP-414”, “KP-415”, “KP-420", “KP-423”, “KR-511”, “KR-513", Big Chemie "BYK UV-” 3500 “,” BYK UV-3530 “,” BYK UV-3570 “,” BYK UV-3575 “,” BYK UV-3576 “, JNC Co., Ltd
- the weight average molecular weight of the component (A) is not particularly limited as long as it has the effect of the present invention, but it is easily compatible with a compound having a (meth) acryloyl group other than the component (A) and has a high transmittance. Since a cured product can be obtained, the range of 100 to 10,000 is preferable, the range of 200 to 5000 is more preferable, and the range of 300 to 3000 is particularly preferable.
- the content ratio of the component (A) is not particularly limited as long as it has the effect of the present invention, but it has a high Abbe number, excellent heat resistance and moisture heat resistance, and crack resistance of the inorganic layer. Since an active energy ray-curable composition capable of forming a lens having excellent adhesion is obtained, the total mass of the compounds having a (meth) acryloyl group excluding the component (A) in the active energy ray-curable composition. The range of 1% by mass or more and less than 50% by mass is preferable, the range of 2.5 to 40% by mass is more preferable, and the range of 5 to 30% by mass is particularly preferable with respect to 100% by mass.
- a compound having a (meth) acryloyl group other than the component (A) may be contained.
- the compound having a (meth) acryloyl group other than these (A) components is not particularly limited as long as the effects of the present invention can be obtained, and (meth) as various (B) to (D) components described later.
- a compound having an acryloyl group may be used, or a compound having a (meth) acryloyl group may be added and used as another additive component.
- the polycarbonate diol di (meth) acrylate (B) represented by the general formula (4) (hereinafter, abbreviated as “component (B)”) has a structure represented by the general formula (4). It is a thing.
- component (B) an active energy ray-curable composition having a high Abbe number and capable of forming a lens having excellent heat resistance can be obtained.
- R 2 is preferably a hydrogen atom
- R 3 is independently a linear hydrocarbon group having 5 to 6 carbon atoms and 6 to 10 carbon atoms.
- a cyclic hydrocarbon group is preferable, and n is preferably an integer of 4 to 10.
- R 2 independently has a linear hydrocarbon group having 5 to 6 carbon atoms, a cyclohexane structure, or an isosorbide from the viewpoint of further preventing crystallization and successive warpage of the lens. It is more preferable that it has a structure, and n is more preferably an integer of 4 to 6.
- R 3 represents a linear hydrocarbon group having 5 to 6 carbon atoms and a cyclic hydrocarbon group having 6 to 10 carbon atoms
- n represents an integer of 4 to 6.
- the mass ratio of the linear hydrocarbon group having 5 to 6 carbon atoms to the cyclic hydrocarbon group having 6 to 10 carbon atoms is the linear hydrocarbon group / cyclic hydrocarbon group.
- the ratio is preferably in the range of 10/90 to 90/10, more preferably in the range of 20/80 to 80/20, and particularly preferably in the range of 40/60 to 75/25.
- component (B) examples include a reaction product of a polycarbonate diol and a (meth) acrylic acid and / or a (meth) acrylic acid ester.
- polycarbonate diol examples include a reaction product of a compound having two or more hydroxyl groups and a carbonic acid ester.
- Examples of the compound having two or more hydroxyl groups include an alkylene diol having a linear structure, an alkylene diol having a branched chain structure, an alkylene diol having a cyclic structure, and a diol having a heterocyclic structure. These compounds may be used alone or in combination of two or more.
- alkylene diol having a linear structure examples include 1,2-ethanediol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, and 1 , 7-Heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol and the like.
- alkylene diol having a branched chain structure examples include 1,2-propanediol 1,2-butanediol, 1,3-butanediol, 2,3-butanediol, and 2-methyl-1,3-propane.
- alkylene diol having a cyclic structure examples include 1,2-cyclopentanediol, 1,3-cyclopentanediol, 1,2-cyclohexanediol, 1,3-cyclohexanediol, 1,4-cyclohexanediol, and 1, , 3-Cyclohexanedimethanol, 1,4-Cyclohexanedimethanol, 1,3-adamantandiol, 1-hydroxy-3-adamantylmethanol and the like.
- diol having a complex cyclic structure examples include 3,4-tetrahydrofuran diol, 1,4-dioxane-2,3-diol, 1,1-bicyclohexyl-4,4-diol, and hexahydroflo [3, 2-b] Furan-3,6-diol and the like can be mentioned.
- carbonic acid ester examples include dimethyl carbonate, diethyl carbonate, diphenyl carbonate, ethylene carbonate, propylene carbonate and the like. These compounds may be used alone or in combination of two or more.
- Examples of the (meth) acrylic acid ester include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, n-butyl (meth) acrylate, isobutyl (meth) acrylate, and n-pentyl ( Examples thereof include meta) acrylate, n-hexyl (meth) acrylate, n-heptyl (meth) acrylate, and n-octyl (meth) acrylate. These (meth) acrylic acid esters can be used alone or in combination of two or more.
- Examples of commercially available products of the component (B) include "UH-100DA”, “UM-90 (1/3) DA”, and “UM-90 (1/1) DA” manufactured by Ube Kosan Co., Ltd. "UM-90 (3/1) DA”, “UH-100DM”, “UM-90 (1/3) DM”, “UM-90 (1/1) DM”, “UM-90 (3/1)” ) DM ”and the like.
- the content ratio of the component (B) is such that an active energy ray-curable composition having a high Abbe number and capable of forming a lens having excellent heat resistance and moisture heat resistance can be obtained.
- the range of 5 to 70% by mass is preferable, the range of 10 to 60% by mass is more preferable, and the range of 20 to 50% by mass is particularly preferable.
- the active energy ray-curable composition of the present invention has one or two (meth) acryloyl groups in one molecule for the purpose of further improving crack resistance.
- the compound (C) having an alkylene glycol structure (hereinafter, abbreviated as “component (C)”) can be used.
- the component (C) in the present invention has one or two (meth) acryloyl groups and an alkylene glycol structure as essential in one molecule.
- alkylene glycol structure examples include 1,2-ethanediol (ethylene glycol), 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, and 1, 7-Heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,2-propanediol (propylene glycol), 1,2-butanediol, 1,3-butanediol , 2,3-Butanediol, 2-Methyl-1,3-Propanediol, 1,2-Pentanediol, 1,3-Pentanediol, 1,4-Pentanediol, 2,4-Pentanediol, 2,2 -Dimethyl-1,3-propanediol (neopentyl
- alkylene glycol structures may have only one kind in one molecule, or may have two or more kinds.
- ethylene glycol, propylene glycol, and neopentyl glycol are preferable because an active energy ray-curable composition capable of forming a lens having excellent heat resistance and moisture heat resistance can be obtained.
- the number of repeating units of the alkylene glycol structure is preferably 2 to 15.
- the component (C) may have a cyclic structure, for example, a monocyclic structure such as a cyclopentane structure, a cyclohexane structure, a cyclooctane structure, or a cyclodecane structure, a perhydroindene structure, a perhydroanthracene structure, or a per.
- cyclic structures may be contained alone in one molecule or may have two or more kinds. Further, among these, since an active energy ray-curable composition capable of forming a lens having a high Abbe number and excellent heat resistance can be obtained, a cyclohexane structure, tricyclo [5.2.2.1.02 2 ] can be obtained. , 6 ] Decane structure is preferable.
- the cyclic structure and the (meth) acryloyl group may be directly bonded or may be bonded via a linking group.
- linking group examples include an oxygen atom, a linear and / or branched hydrocarbon group having 1 to 10 carbon atoms, an alkylene oxide group having 1 to 10 repetitions, and a ring-opening polymer of caprolactone.
- examples thereof include an alkyl ester group and an amide group having a number of 1 to 10.
- component (C) having a cyclic structure examples include cyclopentylalkylene oxide-modified (meth) acrylate, 1-methylcyclopentylalkylene oxide-modified (meth) acrylate, and 1-ethylcyclopentylalkylene oxide-modified (meth) acrylate.
- a hydrogenated bisphenol A alkylene oxide can be obtained because an active energy ray-curable composition having a high Abbe number and capable of forming a lens having excellent heat resistance, moisture heat resistance and crack resistance can be obtained.
- Modified di (meth) acrylates and tricyclodecanedimethanol alkylene oxide-modified di (meth) acrylates are preferred.
- Examples of commercially available products of the component (C) include MIWON's "Miramer M2040", “Miramer M231”, “Miramer M233”, “Miramer M235”, “Miramer M281”, “Miramer M283”, and “Mira”.
- the content ratio of the component (C) is not limited to the extent that the effect of the present invention can be obtained, but the active energy capable of forming a lens having a high Abbe number and excellent heat resistance and moisture heat resistance. Since a linear curable composition can be obtained, the range of 1 to 40% by mass is preferable, the range of 3 to 30% by mass is more preferable, and the range of 5 to 20% by mass is preferable in the active energy linear curable composition. Especially preferable.
- the active energy ray-curable composition of the present invention contains six or more (meth) acryloyl groups in one molecule for the purpose of further improving crack resistance.
- a compound (D) having a multi-branched structure (hereinafter, abbreviated as “component (D)”) can be used.
- the component (D) has 6 (meth) acryloyl groups and a multi-branched structure as essential in one molecule.
- the (meth) acryloyl group in one molecule of the component (D) is preferably in the range of 6 to 96, preferably 8 to 64, because an active energy ray-curable resin composition having excellent crack resistance can be obtained.
- the range of 9 to 48 is more preferable, and the range of 9 to 48 is particularly preferable.
- multi-branched structure examples include a dendron structure, a dendritic structure (dendritic structure), a hyper-branched structure (super-branched structure), a star structure and the like. These multi-branched structures may be contained alone in one molecule or may have two or more kinds. Further, among these, a dendritic structure and a hyperbranched structure are preferable because an active energy ray-curable composition capable of forming a lens having particularly excellent crack resistance can be obtained.
- the method for producing the component (D) is not particularly limited, and the component (D) can be appropriately produced by a known method.
- a divergent method in which a molecule is bound to a central core molecule for each generation to form a branch a convergent method in which a pre-synthesized branch portion is bound to a core molecule, and a branch portion having two or more reaction points B are different.
- Examples thereof include a method of synthesizing in one step using a monomer ABx having a connecting portion having a reaction point A in one molecule.
- the divergent method is preferable as one of the simple synthetic methods, for example, a polyhydric alcohol (a) and a compound (b) having one or more carboxyl groups and two or more hydroxyl groups in one molecule. And are subjected to an esterification reaction to obtain a polyol compound (c) having a multi-branched structure.
- an esterification reaction by dehydration condensation between the terminal hydroxyl group of the polyol compound and (meth) acrylic acid an ester exchange reaction between the terminal hydroxyl group of the polyol compound and the (meth) acrylic acid ester, and the terminal hydroxyl group of the polyol compound ( Meta) It can be produced by an addition reaction with an isocyanate compound having an acryloyl group.
- polyhydric alcohol (a) examples include glycerin, trimethylolethane, trimethylolethane, trimethylolpropane, trimethylolpropane, 1,2,4-butanetriol, pentaerythritol, dipentaerythritol, and tris (2-). Hydroxyethyl) isocyanurate, sorbitol, mannitol and alkylene oxide adducts of these alcohols or ring-opening adducts of caprolactone can be mentioned. These polyhydric alcohols can be used alone or in combination of two or more.
- Examples of the compound (b) having one or more carboxyl groups and two or more hydroxyl groups in one molecule include 2,3-dihydroxypropionic acid, 2,2-dimethylolpropionic acid, and 2,2-di. Methylolbutanoic acid, tartrate acid, 2,3-dihydroxybenzoic acid, 2,4-dihydroxybenzoic acid, 2,5-dihydroxybenzoic acid, 2,6-dihydroxybenzoic acid, 3,4-dihydroxybenzoic acid, 3,5- Dihydroxybenzoic acid, 3,5-bis (2-hydroxyethoxy) benzoic acid, 2,6-dihydroxy-4-methylbenzoic acid, 3,5-dihydroxy-4-methylbenzoic acid, citradic acid, 2,3-dihydroxy Examples thereof include phenylacetic acid, 2,4-dihydroxyphenylacetic acid, 2,5-dihydroxyphenylacetic acid, 2,6-dihydroxyphenylacetic acid, 3,4-dihydroxyphenylacetic acid, 3,5-dihydroxyphen
- Examples of commercially available products of the polyol compound (c) include “BOLTORN H20”, “BOLTORN H30”, “BOLTORN H40”, “BOLTORN H311”, “BOLTORN H2003”, “BOLTORN H2004”, and “BOL” manufactured by Parstoop. , “BOLTORN P501”, “BOLTORN P1000” and the like.
- Examples of commercially available products of the component (D) include "Viscoat # 1000LT” manufactured by Osaka Organic Chemical Industry Co., Ltd., “NK Ester A-HBR-5" manufactured by Shin Nakamura Chemical Industry Co., Ltd., and “Miramer SP1106” manufactured by MIWON. , "CN2302", “CN2303”, “CN2304" manufactured by Arkema, "Photomer 5500” manufactured by IGM, and the like.
- the content ratio of the component (D) is not particularly limited as long as the effect of the present invention can be obtained, but a lens having a high Abbe number, excellent heat resistance and moisture heat resistance, and excellent crack resistance is formed. Since a possible active energy ray-curable composition can be obtained, the range of 1 to 50% by mass is preferable, the range of 5 to 40% by mass is more preferable, and 10 to 35% by mass is preferable in the active energy ray-curable composition. The% range is particularly preferred.
- the active energy ray-curable composition of the present invention has one or two (1 or 2) in one molecule for the purpose of further improving the moist heat resistance, if necessary.
- Meta A compound (E) having an acryloyl group and at least one hydroxyl group in one molecule (hereinafter, abbreviated as “component (E)”) can be used.
- component (E) examples include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, and 2-hydroxy-1-methylethyl (meth) acrylate 2.
- a compound in which some or all of the hydroxyl groups of the compound are modified with alkylene oxide or caprolactone can also be used. These compounds may be used alone or in combination of two or more.
- hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate, cyclohexanedimethanol mono (meth) can be obtained from the viewpoint of obtaining even higher Abbe number, heat resistance, and moist heat resistance.
- Acrylate, neopentyl glycol carbonate-modified 2-hydroxyethyl (meth) acrylate, and sorbitol ethylene oxide-modified di (meth) acrylate are preferable.
- the component (E) includes a reaction product of a compound having one or two glycidyl groups in one molecule and (meth) acrylic acid, and a (meth) acryloyloxy group and a glycidyl group in one molecule.
- An epoxy (meth) acrylate or the like which is a reaction product of the compound (d) and a carboxylic acid and / or a dicarboxylic acid anhydride, can also be used.
- Examples of the compound having one or two glycidyl groups in one molecule include dodecyl glycidyl ether, tetradecyl glycidyl ether, ethylene glycol diglycidyl ether, diethylene glycol diglycidyl ether, polyethylene glycol diglycidyl ether, and propylene glycol diglycidyl.
- tripropylene glycol diglycidyl ether polypropylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, 1.6-hexanediol diglycidyl ether, glycerin diglycidyl ether, 1,2-epoxy-4-vinylcyclohexane, 3, 4-Epoxycyclohexylmethylmethacrylate, 1,4-cyclohexanedimethanol monoglycidyl ether, 1,4-cyclohexanedimethanol diglycidyl ether, 3,4,3,4 diepoxybicyclohexyl, 3,4-epoxycyclohexylmethyl- 3,4-Epoxycyclohexanecarboxylate, ⁇ -caprolactone-modified 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, bisphenol A monoglycidyl ether, bis
- Examples of the compound (d) having a (meth) acryloyl group and a glycidyl group in one molecule include glycidyl (meth) acrylate, 4-hydroxybutyl acrylate glycidyl ether, 3,4-epoxycyclohexylmethyl (meth) acrylate and the like. Can be mentioned.
- carboxylic acid and / or anhydrous dicarboxylic acid examples include (meth) acrylic acid, 1,2-cyclohexanedicarboxylic acid anhydride, 4-methylcyclohexane-1,2-dicarboxylic acid anhydride, 1,2,3.
- 6-Tetrahydrophthalic anhydride bicyclo [2.2.1] heptane-2,3-dicarboxylic acid anhydride, methylbicyclo [2.2.1] heptane-2,3-dicarboxylic acid anhydride, succinic anhydride, Octenyl Anhydrous Succinic Acid, Tetrapropenyl Anhydrous Succinic Acid, 3-Dodecenyl Anhydrous Succinic Acid, 3,3,4,4-Tetrahydro-3,3-Biflan-2,2,5,5-Tetraone, 4- (2,5) -Dioxotetratetra-3-yl) -1,2,3,4-tetrahydronaphthalene-1,2-dicarboxylic acid anhydride, trimellitic acid anhydride, bis (1,3-dihydro-1,3-dioxo- 5-Isobenzofurancarboxylic acid) 2-acetyloxy-1,3-propanediyl and the like can be
- Examples of commercially available products of the component (E) include “Miramer M100” and “Miramer M1051” manufactured by MIWON, “NK ester 702A”, “NK ester 401P” and “NK ester 701A” manufactured by Shin-Nakamura Chemical Industry Co., Ltd. , “NK Ester EA-5521”, “HEA”, “HPA”, “4-HBA”, “Viscoat # 540” manufactured by Osaka Organic Chemical Industry Co., Ltd., "Light Ester HO-250 (N)” manufactured by Kyoeisha Chemical Co., Ltd.
- the content ratio of the component (E) is not particularly limited as long as the effect of the present invention can be obtained, but the active energy capable of forming a lens having a high Abbe number and excellent heat resistance and moisture heat resistance. Since a linear curable composition can be obtained, the range of 0.5 to 20% by mass is preferable, and the range of 1 to 15% by mass is more preferable in the active energy linear curable composition.
- the active energy ray-curable composition of the present invention further comprises, if necessary, other than the component (A), the component (B), the component (C), the component (D), and the component (E). , Other compounds can also be used.
- Examples of the other compound include (meth) acrylate having a hydroxyl group.
- Examples of the (meth) acrylate having a hydroxyl group include pentaerythritol tri (meth) acrylate, dipentaerythritol tri (meth) acrylate, dipentaerythritol tetra (meth) acrylate, dipentaerythritol penta (meth) acrylate, and the above.
- Examples thereof include alkylene oxide-modified and / or caprolactone-modified compounds of (meth) acrylate having a hydroxyl group, urethane acrylate, acrylic (meth) acrylate, polyester polyol (meth) acrylate, and epoxy acrylate.
- the active energy ray-curable composition of the present invention can obtain a cured product or a lens by irradiating the active energy ray.
- the active energy rays refer to ionizing radiation such as ultraviolet rays, electron beams, ⁇ rays, ⁇ rays, and ⁇ rays.
- a photopolymerization initiator (F) it is preferable to add a photopolymerization initiator (F) to the active energy ray-curable composition of the present invention to improve the curability.
- the photopolymerization initiator (F) is particularly used because it cures rapidly without using the photopolymerization initiator (F). No need to add.
- Examples of the photopolymerization initiator (F) include diethoxyacetophenone, 2-hydroxy-2-methyl-1-phenylpropan-1-one, and oligo ⁇ 2-hydroxy-2-methyl-1- [4-(. 1-Methylvinyl) Phenyl] Propanone ⁇ , benzyldimethylketal, 1- (4-isopropylphenyl) -2-hydroxy-2-methylpropan-1-one, 4- (2-hydroxyethoxy) phenyl- (2-hydroxy) -2-propyl) ketone, 1-hydroxycyclohexylphenyl ketone, 2-methyl-2-morpholino (4-thiomethylphenyl) propan-1-one, 2-benzyl-2-dimethylamino-1- (4-morpholinophenyl) )-Acetphenone compounds such as butanone; benzoin compounds such as benzoin, benzoin methyl ether, benzoin isopropyl ether; 2,4,6-trimethylbenzoindiphenylpho
- Examples of commercially available products of the photopolymerization initiator (F) include “Omnirad 1173”, “Omnirad 184", “Omnirad 127”, “Omnirad 2959”, “Omnirad 369”, “Omnirad”, and “Omnirad” manufactured by IGM Resins.
- the amount of the photopolymerization initiator (F) used is preferably in the range of 0.05 to 20 parts by mass, preferably 0.1 to 20 parts by mass in the active energy ray-curable composition from the viewpoint of obtaining sufficient curability.
- the range of 10 parts by mass is more preferable, and the range of 0.5 to 5 parts by mass is particularly preferable.
- the active energy ray-curable composition of the present invention can further contain other additives in addition to the above-mentioned components (A) to (F), if necessary.
- additives examples include polymerization inhibitors, photosensitizers, surface modifiers, antistatic agents, defoamers, viscosity modifiers, light-resistant stabilizers, weather-resistant stabilizers, heat-resistant stabilizers, and ultraviolet absorbers.
- Additives such as antioxidants, leveling agents, organic pigments, inorganic pigments, pigment dispersants, silica beads, organic beads; inorganic fillers such as silicon oxide, aluminum oxide, titanium oxide, zirconium oxide, cerium oxide, antimony oxide, etc. And so on.
- additives may be used alone or in combination of two or more. Further, among these, it is preferable to add a heat-resistant stabilizer and an antioxidant because heat resistance and moist heat resistance can be improved.
- heat-resistant stabilizer examples include ethanethiol, 2-methylpropane-2-thiole, n-dodecanethiol, 2,3,3,4,5,hexamethylhexane-2-thiole, 2-mercaptoethanol.
- heat-resistant stabilizer Commercially available products of the heat-resistant stabilizer include, for example, "Ciocalcol 20" manufactured by Kao Corporation, "Karenzu MT PE1", “Karenzu MT BD1", “Karenzu MT NR1", “TPMB”, and “TEMB” manufactured by Showa Denko KK. , SC Organic Chemical Co., Ltd. "TMMP”, “TEMPIC”, “PEMP”, “EGMP-4”, “DPMP”, “TMMP II-20P”, “PEMP II-20P” and the like.
- the amount of the heat-resistant stabilizer used is preferably in the range of 0.01 to 10 parts by mass, preferably 0.1 to 5 parts by mass in the active energy ray-curable composition from the viewpoint of obtaining sufficient heat resistance.
- the range is more preferable, and the range of 0.5 to 3 parts by mass is particularly preferable.
- antioxidants examples include a phenol-based antioxidant, a phosphite-based antioxidant, a sulfur-based antioxidant, and the like. These antioxidants may be used alone or in combination of two or more.
- phenolic antioxidant examples include styrene phenol, 2,6-diter-shari butyl-p-cresol, 2,5-diter-shari butylhydroquinone, 2,5-diter-shari-amylhydroquinone, 3- (3,).
- IRGANOX 1010 examples include "IRGANOX 1010”, “IRGANOX 1010FF”, “IRGANOX 1035”, “IRGANOX 1035FF (W & C)”, “IRGANOX 1076”, and “IRGANOX 1076FD” manufactured by BASF Corporation.
- IRGANOX 1098 examples include "IRGANOX 1135”, “IRGANOX 1330”, “IRGANOX 1520L”, “IRGANOX 245", “IRGANOX 245FF", “IRGANOX 259”, “IRGANOX 3114", “ANTAGE BT” manufactured by Kawaguchi Chemical Industry Co., Ltd.
- phosphite-based antioxidant examples include tris (2-ethylhexyl) phosphite, tridecylphosphite triisodecylphosphite, trilaurylphosphite, tris (tridecyl) phosphite, and tri (stearyl) phosphite.
- JP-360 “ JP-351 ”,“ JP-3CP ”,“ JP-308E ”,“ JPE-308E ”,“ JP-310 ”,“ JP-312L ”,“ JP-333E ”,“ JPM- 308, "JPM-311”, “JPM-313", “JPP-100”, “JA-805", “JPH-1200”, “JPP-88”, “JPE-10”, “JPE-13R” , “JP-318E”, "JPP-2000PT", “JP-650”, “JPH-3800” and the like.
- sulfur-based antioxidant examples include didodecyl 3,3-thiodipropionate, ditridecyl 3,3-thiobispropionate, dioctadecyl 3,3-thiodipropionate, and tetrakis [3- (dodecylthio) propion. Acid] Pentaerythritol and the like can be mentioned.
- sulfur-based antioxidants examples include BASF's "IRGANOX PS800FL”, “IRGANOX PS802FL”, ADEKA Corporation's “ADEKA STAB AO-412S”, “ADEKA STAB AO-503", and Chemipro Kasei Co., Ltd.
- Examples include "KEMINOX PLS” and “SUMILIZER TP-D” manufactured by Sumitomo Chemical Co., Ltd.
- the amount of the antioxidant used is preferably in the range of 0.01 to 10 parts by mass, preferably 0.1 to 5 parts by mass in the active energy ray-curable composition from the viewpoint of obtaining sufficient heat resistance.
- the range of 0.5 to 3 parts by mass is more preferable, and the range of 0.5 to 3 parts by mass is particularly preferable.
- an inorganic filler is preferably used for adjusting the refractive index and the coefficient of thermal expansion.
- the inorganic filler include silica fine particles, zirconia fine particles, and other fine particles, and each of them can be used independently or in combination of two or more.
- the particle size of the inorganic filler is preferably 1000 nm or less, more preferably 500 nm or less, and particularly preferably 100 nm or less.
- silica fine particles examples include “methyl silica sol”, “MA-ST-M”, “MA-ST-L”, “IPA-ST”, and “IPA-ST-L” manufactured by Nissan Chemical Co., Ltd. , “IPA-ST-ZL”, “IPA-ST-UP”, “EG-ST”, “NPC-ST-30”, “PGM-ST”, “DMAC-ST”, “MEK-ST-40,” “MEK-ST-L”, “MEK-ST-ZL”, “MEK-ST-UP”, “MIBK-ST”, “MIBK-ST-L”, “CHO-ST-M”, "EAT-ST” , "PMA-ST", “TOR-ST”, “MEK-AC-2140Z”, “MEK-AC-4130Y”, “MEK-AC-5140Z”, “MIBK-AC-2140Z”, “MIBK-SD” -L “,” PGM-AC-2140Y “,” PGM-AC-4140Y “,” MEK-EC-2130Y “,” Seahoster KE-E10 ",” Sea
- Examples of commercially available products of the zirconia fine particles include "ZHR-101", “ZHR-103", “ZHR-200” manufactured by Daiichi Kogyo Seiyaku Co., Ltd., "Zircoster ZP-153” manufactured by Nippon Catalyst Co., Ltd., and "Zircoster”.
- Examples thereof include “ZSL-10T”, “ZSL-20N”, “ZSL-00014”, “Zirconeo-Cw” manufactured by Aitec, “Zirconeo-Ck”, and “TZP-103” manufactured by Taisei Kako Co., Ltd.
- Examples of the method for obtaining a cured product of the active energy ray-curable composition include a method of applying the active energy ray-curable composition on a substrate and then irradiating the active energy ray.
- the base material examples include polyester resins such as polyethylene terephthalate, polybutylene terephthalate, and polyethylene naphthalate; polyolefin resins such as polypropylene, polyethylene, and polymethylpentene; cellulose acetate (diacetyl cellulose, triacetyl cellulose, etc.), cellulose.
- Cellulose-based resins such as acetate propionate, cellulose acetate butyrate, cellulose acetate propionate butyrate, cellulose acetate phthalate, cellulose nitrate; acrylic resins such as polymethylmethacrylate; vinyl chloride such as polyvinyl chloride and polyvinylidene chloride.
- a die coat for example, a die coat, a micro gravure coat, a gravure coat, a roll coat, a comma coat, an air knife coat, a kiss coat, a spray coat, a dip coat, etc.
- Spinner coat, brush coating, solid coat by silk screen, wire bar coat, flow coat, dispenser, inkjet printing, screen printing, offset printing and the like can be mentioned.
- the active energy rays that cure the active energy ray-curable composition are ionizing radiation such as ultraviolet rays, electron rays, ⁇ rays, ⁇ rays, and ⁇ rays.
- the devices for irradiating the ultraviolet rays include, for example, low pressure mercury lamps, high pressure mercury lamps, ultrahigh pressure mercury lamps, metal halide lamps, electrodeless lamps (fusion lamps), chemical lamps, and the like. Examples include black light lamps, mercury-xenone lamps, short arc lamps, helium / cadmium lasers, argon lasers, sunlight, LED lamps and the like.
- the irradiation amount (integrated light amount) of the active energy rays is preferably 100 to 10,000 mJ / cm 2 , and more preferably 300 to 8,000 mJ / cm 2 .
- the irradiation amount of the active energy ray is based on the value measured by a photometer suitable for the desired excitation wavelength.
- a photometer suitable for the desired excitation wavelength For example, Iwasaki Electric Co., Ltd. Eye UV integrated luminometer UVPF-A2 series, Hamamatsu Photonics UV photometer.
- the C9536 / H9535 series, the C9536 / H9958 series, the C10427 / H10428 series, the UV integrated photometer UIT-201, the UIT-250, the UIT- ⁇ series, etc. manufactured by Ushio Denki can be used.
- the integrated light amount measured by Iwasaki Electric Co., Ltd. eye ultraviolet integrated illuminance meter UVPF-A2 (PD-365) is used as a reference.
- the irradiation of the active energy beam may be performed in one step or may be divided into two or more steps.
- the film thickness of the cured product of the active energy ray-curable composition of the present invention is preferably in the range of 1 to 1000 ⁇ m, preferably in the range of 50 to 500 ⁇ m, from the viewpoint that the hardness of the cured product can be sufficiently sufficient. Is more preferable.
- the refractive index ( nd ) of the cured product is preferably in the range of 1.40 to 1.60, more preferably in the range of 1.45 to 1.55.
- the refractive index of the cured product is a value measured according to the method A of JIS test method K7142: 2014.
- the Abbe number ( ⁇ d ) of the cured product is preferably 53 or more, more preferably 53 to 60, further preferably 55 to 59, and particularly preferably 56 to 58. ..
- the Abbe number of the cured product is a value calculated based on the refractive index measured according to the A method of JIS test method K7142: 2014.
- the light transmittance of the cured product is preferably 85% or more, more preferably 88% or more, and more preferably 90% or more from the viewpoint that it can be suitably used for an optical lens. It is particularly preferable to have.
- the method for measuring the light transmittance will be described in detail in Examples.
- the light transmittance at a wavelength of 410 nm is within ⁇ 5% from the initial light transmittance from the viewpoint that it can be suitably used for an optical lens having solder reflow resistance. It is preferably within ⁇ 3%, more preferably within ⁇ 1%, and particularly preferably within ⁇ 1%.
- the method for measuring the light transmittance after the heat resistance test will be described in detail in Examples.
- the water absorption rate of the cured product is preferably in the range of 0.1% to 4.0%, preferably 0.3 to 3.5%, in order not to cause defects inside the cured product in a high temperature and high humidity environment. It is more preferably in the range of 0.5 to 3.0%, and particularly preferably in the range of 0.5 to 3.0%.
- the water absorption rate of the cured product is a calculated value using a measured value based on the C method of JIS test method K7209: 2000 and taking into account the amount of elution into water.
- the substrate As for the moisture and heat resistance of the cured product, as a result of a wet and heat test conducted under the conditions of temperature 85 ° C.-humidity 85% RH-time 1000 hours in order not to cause defects inside the cured product in a high temperature and high humidity environment, the substrate was used. It is preferable that there is no peeling, it is more preferable that there is no defect at the interface between the cured product and the substrate, and it is particularly preferable that there is no defect inside the cured product.
- the method for evaluating the moisture resistance and heat resistance of the cured product will be described in detail in Examples.
- the lens of the present invention has the cured product. Further, the lens may have an inorganic layer made of an inorganic compound on at least one surface of the cured product, and may further have a base material, if necessary.
- the lens of the present invention can also be used as a wafer level lens by imprint molding.
- the method for producing the lens of the present invention is not particularly limited and may be produced by any method.
- the active energy ray-curable composition is placed on a substrate such as a wafer or glass. After coating and shaping into a desired shape by a mold, the composition is tentatively cured by irradiating it with active energy rays. After the mold is released, the uncured active energy ray-curable composition is washed with a solvent, and then irradiated with active energy rays again to perform main curing. Further, if necessary, an inorganic layer made of an inorganic compound is formed on the surface of the cured product by physical vapor deposition or the like. In addition, when forming an inorganic layer, if necessary, pretreatment such as ashing on the surface of the cured product is performed. Finally, a method of individualizing the base material and the like can be mentioned.
- the solvent examples include ketone solvents such as methyl ethyl ketone, acetone, isobutyl ketone, cyclopentanone and cyclohexanone; cyclic ether solvents such as tetrahydrofuran, dioxolan and dioxane; ester solvents such as methyl acetate, ethyl acetate and butyl acetate.
- ketone solvents such as methyl ethyl ketone, acetone, isobutyl ketone, cyclopentanone and cyclohexanone
- cyclic ether solvents such as tetrahydrofuran, dioxolan and dioxane
- ester solvents such as methyl acetate, ethyl acetate and butyl acetate.
- Aromatic solvents such as toluene, xylene, solvent naphtha; alicyclic hydrocarbon solvents such as cyclohexane and methylcyclohexane; alcohol solvents such as carbitol, cellosolve, methanol, isopropanol, butanol, propylene glycol monomethyl ether; alkylene Examples thereof include glycol ether solvents such as glycol monoalkyl ether, dialkylene glycol monoalkyl ether and dialkylene glycol monoalkyl ether acetate. These solvents may be used alone or in combination of two or more.
- the inorganic layer means a layer made of an inorganic compound, and generally has functions such as antireflection and scratch resistance.
- Examples of the inorganic compound include metal oxides, compound oxides, metal nitrides, metal fluorides, compound fluorides, silicon oxides, silicon nitrides and mixtures thereof.
- Examples of the metal include lithium, sodium, magnesium, aluminum, titanium, yttrium, indium, tin, zirconium, niobium, cerium, hafnium, tantalum, and the like.
- the antireflection film layer may be a single layer, but may have a low refractive index layer and a high refractive index layer. Further, the low refractive index layer and the high refractive index layer may be one layer or a plurality of layers, respectively. The stacking order of the low refractive index layer and the high refractive index layer is also not particularly limited.
- Examples of the inorganic compound used for the high refractive index layer include lanthanum titanate, zirconium oxide, titanium oxide, tantalum oxide, niobium oxide, hafnium oxide, cerium oxide, yttrium oxide and a mixture thereof.
- Examples of the inorganic compound used for the low refractive index layer include silicon oxide, silicon nitride, magnesium fluoride, aluminum fluoride, and a mixture thereof.
- the inorganic layer is obtained by forming a film on the surface of the resin layer.
- the method for forming the inorganic layer is not particularly limited, and a known film forming method can be used as appropriate, but it is preferable to form a film by physical vapor deposition (PVD) or chemical vapor deposition (CVD).
- PVD physical vapor deposition
- vacuum vapor deposition for example, a resistance heating method, a high frequency induction heating method, an electron beam heating method, or the like can be used.
- the sputtering may be DC sputtering or RF sputtering, magnetron sputtering or ion beam sputtering. Further, the parallel plate target method or the opposed target method may be used. Examples of the gas to be introduced into the vacuum chamber include argon, krypton, oxygen, nitrogen and the like, and each of them may be used alone or in combination of two or more.
- the film thickness of the inorganic layer can be appropriately adjusted according to the desired function, but when the antireflection function is intended, the range is preferably in the range of 10 nm to 5,000 nm, and from the viewpoint of the film strength and productivity of the inorganic layer, it is preferable.
- the range of 100 nm to 2,000 nm is more preferable, and the range of 250 nm to 1,000 nm is particularly preferable.
- methods such as photoexcited ashing and plasma ashing can be used from the viewpoint of interlayer adhesion with the inorganic layer, and these may be used in combination.
- the adhesion between the inorganic layer and the cured product is preferably 50% or more in terms of the remaining area ratio of the inorganic layer by peeling the cellophane tape on a 100-square grid with a width of 1 mm. 70% or more is more preferable, and 90% or more is particularly preferable.
- the method for evaluating the residual ratio of the inorganic layer will be described in detail in Examples.
- the crack resistance of the inorganic layer from the viewpoint of suppressing the generation of cracks in the inorganic layer, it is preferable that no cracks can be confirmed on the surface of the inorganic layer after film formation, and no cracks can be confirmed on the surface of the inorganic layer after solder reflow. Is more preferable.
- the method for evaluating the crack resistance of the inorganic layer will be described in detail in Examples.
- the cured product formed by the active energy ray-curable composition of the present invention has a high Abbe number and high light transmittance, is excellent in heat resistance and moisture heat resistance, and is an inorganic layer formed on the surface of the cured product. Since it has excellent crack resistance, excellent adhesion to the inorganic layer, and can be easily cured by irradiation with active energy rays, it can be suitably used for lens production by optical imprint.
- the weight average molecular weight (Mw) is a value measured by gel permeation chromatography (GPC) under the following conditions.
- the compound (D) having an acryloyl group and a multi-branched structure was neutralized with a 20% by mass aqueous sodium hydroxide solution, extracted and washed with a saline solution three times, and unreacted acrylic acid and toluene were distilled off under reduced pressure. -1) was obtained.
- the weight average molecular weight of this compound (D-1) was 2200 g / mol, and the ester value was 200 mgKOH / g.
- Example 1 (A) siloxane compound as a component (“KR-513” manufactured by Shin-Etsu Chemical Industry Co., Ltd.); 10 parts by mass, polycarbonate diol diacrylate as a component B (“UM-90 (1/3) DA” manufactured by Ube Kosan Co., Ltd .:
- R 2 is a hydrogen atom
- R 3 is independent of each other, and has a linear hydrocarbon group having 6 carbon atoms and a cyclohexane structure at random, and n is 4 to 5.
- component (C) polyethylene glycol diacrylate as component (C) (“A-400” manufactured by Shin-Nakamura Chemical Industry Co., Ltd.); 20 parts by mass, acryloyl group and multi-branched structure as component (D).
- Examples 2 to 14, Comparative Examples 1 to 8 The active energy ray curing is the same as in Example 1 except that the types and / or amounts of (A), (B), (C), (D) and (E) are changed as shown in Tables 1 to 3.
- a sex composition was prepared.
- KBM-13 Metaltrimethoxysilane, not containing (meth) acryloyl group” manufactured by Shin-Etsu Chemical Co., Ltd.
- KBM-5103 manufactured by Shin-Etsu Chemical Co., Ltd.
- (Meta) acryloyl group 1) KBM-5803 (manufactured by Shin-Etsu Chemical Co., Ltd. Methacryloyloctyltrimethoxysilane.
- (Meta) acryloyl group 1) is the present application (A). It did not correspond to the component and was used as a comparative component.
- the active energy ray-curable composition obtained in Examples and Comparative Examples was poured into a triangular prism type (thickness 5 mm, one side length 10 mm), and a belt conveyor type ultraviolet irradiation device (120 W metal halide) manufactured by Igraphics Co., Ltd. was poured.
- a triangular prism was produced by irradiating ultraviolet rays of 3,000 mJ / cm 2 using a lamp).
- the obtained triangular prism was measured for the refractive indexes of d-line, F-line, and C-line at 25 ° C. using a carnew precision refractometer "KPR-3000" manufactured by Shimadzu Corporation.
- a matching liquid having a refractive index ( nd ) closest to the refractive index ( nd ) of the cured product was appropriately selected and used.
- the Abbe number ( ⁇ d ) was calculated by the following formula using the d-line, F-line, and C-line measured by the above-mentioned [Refractive index measuring method].
- the oil droplets of the active energy ray-curable composition sandwiched between two glass plates are irradiated with the UV-LED irradiation device "LHPUV365 / 2501" manufactured by Iwasaki Electric Co., Ltd., with an irradiation intensity of 50 mW / cm 2 and an integrated light intensity of 8000 mJ /. Irradiation with cm 2 was performed to obtain a coin-shaped cured product having a thickness of about 1 mm.
- the obtained coin-shaped cured product is heated at 100 ° C. for 20 minutes in a blower oven, and then the initial transmittance at a wavelength of 410 nm is measured using an ultraviolet-visible near-infrared spectrophotometer "V-770" manufactured by JASCO Corporation. bottom.
- the weight of the test piece was measured to obtain an initial weight of m1.
- it was immersed in 300 ml of pure water at 23 ° C. for 24 hours. Moisture remaining on the test piece pulled up from pure water was wiped off with a non-woven fabric "Bencot" manufactured by Asahi Kasei Corporation, and then the weight of the test piece was measured to obtain a weight of m2 after immersion. After immersion and weight measurement, the test piece was dried at 50 ° C. for 24 hours in a blower oven, and the weight of the test piece was measured to obtain a dry weight of m3. Using the above m1 to m3, the water absorption rate was calculated by the following formula.
- a wafer level lens was obtained by performing post-baking at 100 ° C. for 90 minutes using a blower oven.
- the obtained wafer level lens was subjected to a moisture resistance test for 1000 hours at a temperature of 85 ° C. and a relative humidity of 85% using a small environmental tester "SH-222" manufactured by ESPEC CORPORATION.
- the lens was observed using a microscope "VHX900” manufactured by KEYENCE CORPORATION and a laser microscope "OLS5000” manufactured by Olympus Corporation, and evaluated according to the following criteria.
- ⁇ No peeling, interface defects, or internal defects are observed. ⁇ : No peeling or interface defects are seen, but there are about 1 to 10 internal defects. ⁇ : Medium degree of peeling, interface abnormality, and internal defects. ⁇ : Severe peeling, interface abnormality, and internal defects.
- a wafer level lens is manufactured in the same manner as the lens manufacturing procedure described in the above-mentioned method for evaluating moisture resistance, and a target SiO 2 and an introduction gas of argon are used using a ternary magnetron sputtering device “HSR-522” manufactured by Shimadzu Corporation. Sputtering was performed under the conditions of a gas flow rate of 15 sccm, a room temperature of 25 ° C., and a sputtering time of 40 min to obtain a laminated body in which a silicon oxide thin film having a thickness of 0.5 ⁇ m was laminated on the surface of the cured product.
- the surface of the laminate was observed with a microscope "VHX900” manufactured by KEYENCE CORPORATION, and the initial appearance of the laminate was evaluated according to the following criteria.
- the surface of the laminate was observed with a microscope "VHX900” manufactured by KEYENCE CORPORATION, and the appearance of the laminate after heat resistance was evaluated according to the following criteria. bottom.
- ⁇ No cracks or wrinkles are seen on the sputtered film.
- ⁇ Very slight cracks and wrinkles occur in the sputtered film.
- ⁇ Minor cracks and wrinkles occur in the sputtered film.
- X Cracks and wrinkles occur in the sputtered film.
- the oil droplets of the active energy ray-curable composition sandwiched between two glass plates are irradiated with the UV-LED irradiation device "LHPUV365 / 2501" manufactured by Iwasaki Electric Co., Ltd., with an irradiation intensity of 50 mW / cm 2 and an integrated light intensity of 8000 mJ /.
- the glass plate subjected to the mold release treatment was peeled off by irradiating with cm 2 , and heated at 100 ° C. for 90 minutes in a blower oven to obtain a flat film-like cured product having a thickness of about 0.5 mm.
- the obtained flat film-like cured product was used as a target SiO 2 , argon (gas flow rate 27 sccm) and oxygen (gas flow rate 3 sccm) as introduction gas, and room temperature.
- Sputtering was performed under the conditions of 25 ° C. and a sputtering time of 26 min to obtain a laminated body in which a silicon oxide thin film having a thickness of 0.1 ⁇ m was laminated on the surface of the flat film-like cured product.
- Remaining area ratio 90% or more The remaining area ratio is in the range of 70 to 89%.
- 3 The remaining area ratio is in the range of 50 to 69%.
- 2 The remaining area ratio is in the range of 20 to 49%.
- 1 The remaining area ratio is in the range of 1 to 19%.
- 0 Remaining area ratio 0%.
- Tables 1 to 3 indicate the following. "X-12-1048”; Acryloyl group-modified polysiloxane (manufactured by Shin-Etsu Chemical Co., Ltd.) "X-40-2761”; Acryloyl group-modified polysiloxane (manufactured by Shin-Etsu Chemical Co., Ltd.) "4-HBA”; 4-Hydroxybutyl acrylate (manufactured by Mitsubishi Chemical Corporation)
- the cured product formed by the active energy ray-curable composition of the present invention of Examples 1 to 14 has a high Abbe number, high heat resistance, and a water absorption rate of 4% or less. It has been clarified that it is controlled by and has high moisture and heat resistance. In addition, the lens samples of Examples 1 to 14 had no warp after curing, no cracks or cracks, and had a good appearance. Furthermore, it was clarified that the laminated body suppressed the generation of cracks and wrinkles both at the initial stage and after the heat resistance test. In addition, it was revealed that Examples 1 to 14 have high interlayer adhesion with the inorganic layer.
- Comparative Examples 1 and 2 are examples of active energy ray-curable compositions that do not contain the component (A) specified in the present invention, but it has been confirmed that the interlayer adhesion with the inorganic layer is insufficient. Was done.
- Comparative Examples 3 to 4 are examples of an active energy ray-curable composition in which the blending amount of the component (A) specified in the present invention is increased to 50 parts by mass. It was confirmed that defects were generated, the moisture and heat resistance was insufficient, and wrinkles and cracks were generated in the appearance after the heat resistance test, and the crack resistance was extremely insufficient.
- Comparative Example 5 is an example of an active energy ray-curable composition that does not contain the component (B) specified in the present invention, but the transmittance is lowered in the heat resistance test and the heat resistance is insufficient. It was confirmed that cracks were generated in the laminated body after the heat resistance test, and the crack resistance was insufficient.
- Comparative Examples 6 to 8 are examples of active energy ray-curable compositions containing a silane compound that does not correspond to the component (A) specified in the present invention, but wrinkles and cracks appear on the appearance of the laminate after the heat resistance test. It was confirmed that the crack resistance was remarkably insufficient and the interlayer adhesion with the inorganic layer was insufficient.
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Abstract
Description
カラム ; 東ソー株式会社製ガードカラムHXL-H
+東ソー株式会社製 TSKgel G5000HXL
+東ソー株式会社製 TSKgel G4000HXL
+東ソー株式会社製 TSKgel G3000HXL
+東ソー株式会社製 TSKgel G2000HXL
検出器 ; RI(示差屈折計)
データ処理:東ソー株式会社製 SC-8010
測定条件: カラム温度 40℃
溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 ;ポリスチレン
試料 ;樹脂固形分換算で0.4質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(100μl)
温度計、攪拌棒、ディーンスターク装置、空気導入管を具備した反応釜にペンタエリスリトールエチレンオキサイド(4mol)付加物134質量部(1mol)、パラトルエンスルホン酸17質量部(0.1mol)、トルエン200質量部を仕込み、反応釜を攪拌しながら内温110℃へ昇温させた。次に、内温110℃を保持したままジメチロールプロピオン酸1,073質量部(8mol)を反応系内に2時間ごと4回に分けて投入、同時に生成する水を系外に除去しながら10時間反応させた。次に反応混合物を冷却し、アクリル酸1081質量部(15mol)、メトキノン1.24質量部(10mmol)、パラトルエンスルホン酸34質量部(0.2mol)、トルエン500質量部を反応釜に投入した。次に、反応溶液中に空気を吹き込み、反応釜を攪拌しながら内温110℃へ昇温、内温を保持しながら生成する水を系外に除去しつつ、8時間反応させた。次に、20質量%の水酸化ナトリウム水溶液で中和し、食塩水で3回抽出洗浄し、減圧下で未反応アクリル酸及びトルエンを留去し、アクリロイル基及び多分岐構造を有する化合物(D-1)を得た。この化合物(D-1)の重量平均分子量は2200g/molであり、エステル価は200mgKOH/gであった。
(A)成分としてシロキサン化合物(信越化学工業株式会社製「KR-513」);10質量部、B成分としてポリカーボネートジオールジアクリレート(宇部興産株式会社製「UM-90(1/3)DA」:一般式(1)におけるR2が水素原子であり、R3がそれぞれ独立して、炭素原子数6の直鎖状炭化水素基とシクロヘキサン構造をランダムに有するものであり、nが4~5のものである。);50質量部、(C)成分としてポリエチレングリコールジアクリレート(新中村化学工業株式会社製「A-400」);20質量部、(D)成分としてアクリロイル基及び多分岐構造を有する化合物(D-1);30質量部、(F)成分として1-ヒドロキシシクロヘキシルフェニルケトン(BASF社製「I-184」);1質量部を混合し、50℃に加温後、ホモディスパ―を使用して回転数1,000rpmで10分間撹拌混合して活性エネルギー線硬化性組成物を調製した。
(A)、(B)、(C)、(D)及び(E)の種類及び/又は量を表1~3に示す通りに変更した以外は、実施例1と同様にして活性エネルギー線硬化性組成物を調製した。なお、表3記載の比較例6~8に配合したKBM-13(信越化学工業株式会社製「メチルトリメトキシシラン。(メタ)アクリロイル基を含まない)、KBM-5103(信越化学工業株式会社製。3-アクリロキシプロピルトリメトキシシラン。(メタ)アクリロイル基1個)、KBM-5803(信越化学工業株式会社製。メタクリロイルオクチルトリメトキシシラン。(メタ)アクリロイル基1個。)は本願(A)成分に該当せず比較成分として用いた。
実施例及び比較例で得られた活性エネルギー線硬化性組成物を三角プリズム型(厚さ5mm、1辺の長さ10mm)に流し込み、アイグラフィックス株式会社製ベルトコンベアー式紫外線照射装置(120Wメタルハライドランプ)を使用して、3,000mJ/cm2の紫外線を照射して三角プリズムを作製した。得られた三角プリズムを株式会社島津製作所製カルニュー精密屈折計「KPR-3000」を使用して25℃におけるd線、F線、C線、各々の屈折率を測定した。なお、硬化物の屈折率(nd)に最も近い屈折率(nd)を有するマッチング液を適宜選択して用いた。
前記[屈折率の測定方法]にて測定したd線、F線、C線、各々の屈折率を用いて下記式によりアッベ数(νd)を算出した。
オクタデシルトリクロロシランにより離型処理を施したガラス板上に、実施例及び比較例で得られた活性エネルギー線硬化性組成物を滴下し、厚み1mmのシムプレートをスペーサーとして油滴の左右に配置後、同様にオクタデシルトリクロロシランにより離型処理を施したガラス板により油滴を挟み込んだ。2枚のガラス板で挟みこまれた活性エネルギー線硬化性組成物の油滴を、岩崎電気株子会社製UV-LED照射装置「LHPUV365/2501」にて照射強度50mW/cm2、積算光量8000mJ/cm2を照射し、約1mm厚のコイン状硬化物を得た。得られたコイン状硬化物を送風式オーブンにより100℃で20分間加熱した後、日本分光株式会社製紫外可視近赤外分光光度計「V-770」を用いて波長410nmにおける初期透過率を測定した。
前記透過率の測定方法において測定したコイン状硬化物を、送風式オーブンにより(1)175℃で10分間加熱した後、日本分光株式会社製紫外可視近赤外分光光度計「V-770」を用いて波長410nmにおける透過率を、各々耐熱試験後透過率1及び耐熱試験後透過率2として測定した。なお、加熱温度は低温溶融半田と通常溶融半田のリフロー工程に準じた温度設定として175℃を用いた。
厚み0.5mmのシムプレートとガラス棒を用いて、アクリル板上に実施例及び比較例で得られた活性エネルギー線硬化性組成物を塗工後、アイグラフィックス株式会社製ベルトコンベアー式紫外線照射装置(120Wメタルハライドランプ)にて積算光量3,000mJ/cm2の紫外線照射により膜厚0.2mmのシート状硬化物を得た。得られたシート状硬化物をダンベルカッターを用いて長さ5cm×幅5cmに裁断することで吸水率測定用試験片を作製した。作製した前記試験片を送風式オーブンにより50℃で24時間乾燥後、試験片の重量測定を行い初期重量m1とした。初期重量測定後、23℃の純水300mlに24時間浸漬させた。純水から引き上げた試験片に残った水分を旭化成株式会社製不織布「ベンコット」にて拭き取った後、試験片の重量測定を行い浸漬後重量m2とした。浸漬後重量測定後、送風式オーブンにより50℃で24時間乾燥させ、試験片の重量測定を行い乾燥重量m3とした。上記m1~m3を用いて、下記式により吸水率を算出した。
実施例及び比較例で得られた活性エネルギー線硬化性組成物を、信越化学工業株式会社製シランカップリング剤「KBM-5103」により密着処理を施したカバーガラス上に滴下し、レンズレプリカにより賦形した後、岩崎電気株式会社製UV-LED照射装置「LHPUV365/2501」にて照射強度50mW/cm2、積算光量450mJ/cm2の照射により仮硬化させた。レンズレプリカを離型後、プロピレングリコールモノメチルエーテルにより現像処理を行い、未硬化の樹脂組成物を除去した。さらに、積算光量7,550mJ/cm2による本硬化を行った後、送風式オーブンを用いて100℃で90分間のポストベークを行うことで、ウェハレベルレンズを得た。得られたウェハレベルレンズをエスペック株式会社製小型環境試験機「SH-222」を用いて温度85℃、相対湿度85%、で1000時間の耐湿熱試験を行った。試験後レンズを株式会社キーエンス製マイクロスコープ「VHX900」及びオリンパス株式会社製レーザー顕微鏡「OLS5000」を用いて観察し、下記の基準に従い評価した。
〇:ハガレ、界面欠陥は見られないが内部欠陥が1~10個程度。
△:ハガレ、界面異常、内部欠陥の程度が中程度。
×:ハガレ、界面異常、内部欠陥が重度。
前記耐湿熱性の評価方法に記載のレンズ作製手順と同様にウェハレベルレンズを作製し、株式会社島津製作所製3元マグネトロンスパッタ装置「HSR-522」を用いて、ターゲットSiO2、導入ガスはアルゴン、ガス流量15sccm、室温25℃、スパッタ時間:40minの条件でスパッタリングを行い、前記硬化物の表面上に、膜厚0.5μmのシリコン酸化物薄膜を積層させた積層体を得た。前記積層体の表面を株式会社キーエンス製マイクロスコープ「VHX900」で観察し、積層体の初期外観として下記の基準に従い評価した。次に、送風式オーブンを用いて175℃で5分間熱処理を行った後、積層体の表面を株式会社キーエンス製マイクロスコープ「VHX900」で観察し、積層体の耐熱後外観として下記の基準に従い評価した。
◎:スパッタ膜にクラック、シワが見られない。
○:スパッタ膜にごく軽微なクラック、シワが発生。
△:スパッタ膜に軽微なクラック、シワが発生。
×:スパッタ膜にクラック、シワが発生。
信越化学工業株式会社製シランカップリング剤「KBM-5103」により密着処理を施したガラス上に、実施例及び比較例で得られた活性エネルギー線硬化性組成物を滴下し、厚み0.5mmのシムプレートをスペーサーとして油滴の左右に配置後、オクタデシルトリクロロシランにより離型処理を施したガラス板により油滴を挟み込んだ。2枚のガラス板で挟みこまれた活性エネルギー線硬化性組成物の油滴を、岩崎電気株子会社製UV-LED照射装置「LHPUV365/2501」にて照射強度50mW/cm2、積算光量8000mJ/cm2を照射し、離型処理を施したガラス板を剥離、送風式オーブンにより100℃で90分間加熱することで、約0.5mm厚の平膜状硬化物を得た。得られた平膜状硬化物を芝浦メカトロニクス株式会社製スパッタリング装置「CFS-12P-100型」を用いて、ターゲットSiO2、導入ガスとしてアルゴン(ガス流量27sccm)及び酸素(ガス流量3sccm)、室温25℃、スパッタ時間:26minの条件でスパッタリングを行い、前記平膜状硬化物の表面上に、膜厚0.1μmのシリコン酸化物薄膜を積層させた積層体を得た。上記で得られた積層体表面上にカッターナイフ及びカッターガイドを用いて1mm間隔で縦、横11本の切れ目を入れ、100マスの碁盤目を作製した。次いで、長さ8cmに裁断した3M社製セロハンテープ「Scotch 610」の一端を前記碁盤目表面に密着させた後、もう一端を垂直方向へ瞬間的に引き上げることで、無機膜を剥離させた。剥離後の積層体表面をオリンパス株式会社製レーザー顕微鏡「OLS5000」を用いて観察し、碁盤目上に剥離せずに残った無機膜の残面積比率から、下記の基準に従い評価した。
4:残面積比率70~89%の範囲。
3:残面積比率50~69%の範囲。
2:残面積比率20~49%の範囲。
1:残面積比率1~19%の範囲。
0:残面積比率0%。
「X-12-1048」;
アクリロイル基変性ポリシロキサン(信越化学工業株式会社製)
「X-40-2761」;
アクリロイル基変性ポリシロキサン(信越化学工業株式会社製)
「4-HBA」;
4-ヒドロキシブチルアクリレート(三菱ケミカル株式会社製)
Claims (15)
- (メタ)アクリロイル基を有する化合物を含有する活性エネルギー線硬化性組成物であって、
一分子中に下記一般式(1)、(2)及び(3)からなる群から選ばれる少なくとも一つの構造と2個以上の(メタ)アクリロイル基とを有する化合物(A)と、
下記一般式(4)で表されるポリカーボネートジオールジ(メタ)アクリレート(B)
とを含有し、
前記(A)成分を、(A)成分を除く(メタ)アクリロイル基を有する化合物の合計質量100質量%に対して、1質量%以上50質量%未満含むことを特徴とする活性エネルギー線硬化性組成物。
(式中、R1は、それぞれ独立して、水素原子、水酸基、炭素原子数1~10のアルキル基、アルコキシ基、(メタ)アクリロイルオキシアルキル基又は(メタ)アクリロイルオキシアルキルオキシ基を示す。Xはメチレン基又は酸素原子を示す。)
(式中、R2は、それぞれ独立して、水素原子又はメチル基を示し、R3は、それぞれ独立して、炭素原子数1~10の炭化水素基を示す。nは1~10の整数である。) - 前記一般式(4)中のR2が、それぞれ独立して、炭素原子数5~6の直鎖状炭化水素基、シクロヘキサン構造、又はイソソルバイド構造を有するものである請求項1記載の活性エネルギー線硬化性組成物。
- 前記活性エネルギー線硬化性組成物が、さらに、一分子中に1又は2個の(メタ)アクリロイル基とアルキレングリコール構造とを有する化合物(C)を含有することを特徴とする請求項1又は2記載の活性エネルギー線硬化性組成物。
- 前記アルキレングリコール構造がエチレングリコール、プロピレングリコール、及びネオペンチルグリコールからなる群より選ばれる1種以上である請求項3記載の活性エネルギー線硬化性組成物。
- 前記アルキレングリコール構造の繰り返し単位数が2~15の整数である請求項3又は4記載の活性エネルギー線硬化性組成物。
- 前記活性エネルギー線硬化性組成物が、さらに、一分子中に6個以上の(メタ)アクリロイル基と多分岐構造とを有する化合物(D)を含有することを特徴とする請求項1~5のいずれか一項記載の活性エネルギー線硬化性組成物。
- 前記多分岐構造が、デンドロン構造、デンドリティック構造、ハイパーブランチ構造、及びスター構造からなる群より選ばれる1種以上である請求項6記載の活性エネルギー線硬化性組成物。
- 前記活性エネルギー線硬化性組成物が、さらに、一分子中に1又は2個の(メタ)アクリロイル基と一分子中に1個以上の水酸基とを有する化合物(E)を含有するものである請求項1~7のいずれか一項記載の活性エネルギー線硬化性組成物。
- 前記化合物(E)が、2-ヒドロキシエチル(メタ)アクリレート、3-ヒドロキシプロピル(メタ)アクリレート、4-ヒドロキシブチル(メタ)アクリレート、シクロヘキサンジメタノールモノ(メタ)アクリレート、ネオペンチルグリコールカーボネート変性2-ヒドロキシエチル(メタ)アクリレート、及びエチレンオキサイド変性ソルビトールジ(メタ)アクリレートからなる群より選ばれる1種以上である請求項8記載の活性エネルギー線硬化性組成物。
- 請求項1~9のいずれか一項記載の活性エネルギー線硬化性組成物の硬化物。
- 請求項10記載の硬化物を有することを特徴とするレンズ。
- 請求項10記載の硬化物を有することを特徴とするウェハレベルレンズ。
- その少なくとも片面に無機化合物層が設けられた請求項10記載の硬化物を有することを特徴とするレンズ。
- 前記無機化合物層が、反射防止層である請求項13記載のレンズ。
- 請求項13又は14記載のレンズを有することを特徴とするカメラモジュール。
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| JP (1) | JP7468685B2 (ja) |
| KR (1) | KR20230083284A (ja) |
| CN (1) | CN116323726B (ja) |
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| WO (1) | WO2022075162A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004035600A (ja) * | 2002-06-28 | 2004-02-05 | Natoko Kk | (メタ)アクリレートオリゴマー及びそれを含有する活性エネルギ−線硬化性組成物並びにそれらの用途 |
| WO2008108390A1 (ja) * | 2007-03-07 | 2008-09-12 | Ube Industries, Ltd. | 光硬化性組成物およびこれを用いた硬化物 |
| JP2011225779A (ja) * | 2010-04-22 | 2011-11-10 | Kyocera Chemical Corp | 透明樹脂組成物および光半導体装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009251368A (ja) | 2008-04-08 | 2009-10-29 | Konica Minolta Opto Inc | 撮像レンズ及び撮像装置 |
| JP2014052424A (ja) | 2012-09-05 | 2014-03-20 | Jsr Corp | 感光性樹脂組成物 |
| JP6686284B2 (ja) * | 2015-03-26 | 2020-04-22 | 三菱ケミカル株式会社 | 活性エネルギー線硬化性樹脂組成物の硬化物を含む物品 |
| SG11201901065TA (en) | 2016-08-10 | 2019-03-28 | Nissan Chemical Corp | Imprint material |
| WO2019124156A1 (ja) | 2017-12-22 | 2019-06-27 | Dic株式会社 | 活性エネルギー線硬化性組成物、その硬化物、及び、レンズ |
| KR102549487B1 (ko) | 2018-01-17 | 2023-06-30 | 닛산 가가쿠 가부시키가이샤 | 임프린트용 광경화성 조성물 |
| CN111801770A (zh) | 2018-02-27 | 2020-10-20 | 日产化学株式会社 | 包含聚合物的压印用光固化性组合物 |
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2021
- 2021-09-30 CN CN202180067305.2A patent/CN116323726B/zh active Active
- 2021-09-30 KR KR1020237011648A patent/KR20230083284A/ko active Pending
- 2021-09-30 WO PCT/JP2021/036033 patent/WO2022075162A1/ja not_active Ceased
- 2021-09-30 JP JP2022555408A patent/JP7468685B2/ja active Active
- 2021-10-06 TW TW110137098A patent/TWI888656B/zh active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004035600A (ja) * | 2002-06-28 | 2004-02-05 | Natoko Kk | (メタ)アクリレートオリゴマー及びそれを含有する活性エネルギ−線硬化性組成物並びにそれらの用途 |
| WO2008108390A1 (ja) * | 2007-03-07 | 2008-09-12 | Ube Industries, Ltd. | 光硬化性組成物およびこれを用いた硬化物 |
| JP2011225779A (ja) * | 2010-04-22 | 2011-11-10 | Kyocera Chemical Corp | 透明樹脂組成物および光半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116323726A (zh) | 2023-06-23 |
| CN116323726B (zh) | 2025-08-29 |
| KR20230083284A (ko) | 2023-06-09 |
| JP7468685B2 (ja) | 2024-04-16 |
| TWI888656B (zh) | 2025-07-01 |
| TW202214712A (zh) | 2022-04-16 |
| JPWO2022075162A1 (ja) | 2022-04-14 |
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