WO2017170680A1 - 光学材料用重合性組成物、当該組成物から得られる光学材料およびプラスチックレンズ - Google Patents
光学材料用重合性組成物、当該組成物から得られる光学材料およびプラスチックレンズ Download PDFInfo
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- WO2017170680A1 WO2017170680A1 PCT/JP2017/012876 JP2017012876W WO2017170680A1 WO 2017170680 A1 WO2017170680 A1 WO 2017170680A1 JP 2017012876 W JP2017012876 W JP 2017012876W WO 2017170680 A1 WO2017170680 A1 WO 2017170680A1
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
- B29C39/006—Monomers or prepolymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
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- C08F18/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
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- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/20—Esters of polyhydric alcohols or polyhydric phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
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- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
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- C08F20/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
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- C08F38/00—Homopolymers and copolymers of compounds having one or more carbon-to-carbon triple bonds
- C08F38/02—Acetylene
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
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- C08G18/3876—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto groups
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- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
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- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
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- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
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- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- G—PHYSICS
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
Definitions
- the present invention relates to a polymerizable composition for an optical material, an optical material obtained from the composition, and a plastic lens.
- striae When manufacturing an optical material by thermosetting a polymerizable composition containing a polymerizable reactive compound (hereinafter also referred to as “polymerizable compound” or “monomer”), striae is particularly difficult to solve. is there.
- the striae are those that occur at the time of casting polymerization of the monomer, or convection due to the influence of the monomer heat generation during polymerization or the temperature difference from the surroundings, which becomes a flow mark and hardens. In particular, striae are very likely to occur in thick items.
- the monomer is slowly cured over a long time so that the monomer does not flow, or underwater polymerization is performed to increase heat conduction.
- the plastic lens manufacturing apparatus described in Patent Document 1 it is possible to manufacture a plastic lens while the molding die into which the plastic composition placed on the rotary table is injected is rotated once, and it is compact and space efficient. It is said that an excellent plastic lens manufacturing apparatus can be provided. Further, for example, a method of preliminarily reacting the monomer composition to increase the viscosity within a specific range, and then polymerizing and curing the same by a temperature rising polymerization program similar to the conventional manufacturing method (Patent Document 2), the monomer composition is polymerized and cured.
- the molded body filled with the monomer composition is forcibly and regularly moved irregularly to eliminate the unevenness of the monomer during curing and to generate optical distortion or striae.
- a method of suppressing (Patent Document 3), a method of optimizing a temperature program at the time of polymerizing the monomer composition (Patent Document 4), and a polymer filled with the monomer composition when the monomer composition is polymerized and cured
- a method of curing at a specific angle Patent Document 5
- Patent Document 7 and 8 as a composition for optical materials containing a fatty-acid ester type compound.
- the present inventors have found that the striae during polymerization can be effectively reduced by adding a specific compound to the polymerizable composition.
- a polymerizable composition for an optical material comprising one or more compounds selected from the group consisting of the following components (A) and (B) and a polymerizable compound.
- R 1 is a hydrogen atom, a C1-C20 linear alkyl group, a C3-C20 branched alkyl group, a C2-C20 linear carbonization having one or more unsaturated bonds.
- R 2 represents a polyoxyalkylene group represented by the following general formula (2).
- R 3 may be the same or different and each represents a hydrogen atom or a methyl group.
- N represents an integer of 2 to 20
- R 4 is a C1-C20 linear alkyl group, a C3-C20 branched alkyl group, a C2-C20 linear hydrocarbon group having one or more unsaturated bonds, Or a C3-C20 branched hydrocarbon group having one or more unsaturated bonds, wherein R 5 is a C1-C20 straight chain alkyl group, a C3-C20 branched alkyl group, or the following general group (The (poly) oxyalkylene group represented by Formula (4) is shown.) — (CH 2 CHR 6 O) m H (4) (In the general formula (4), a plurality of R 6 may be the same
- M represents an integer of 1 to 20.
- (C) represented by the following general formula (5) (poly) alkylene glycol HO (CH 2 CHR 7 O) p H (5)
- a plurality of R 7 may be the same or different and each represents a hydrogen atom or a methyl group.
- P represents an integer of 1 to 20
- the total weight of the components (A), (B), and (C) in the optical material polymerizable composition is 0.01 to 7 with respect to 100% by weight of the optical material polymerizable composition.
- the polymerizable composition for an optical material according to [2] which is 5% by weight.
- the polymerizable compound is a polyiso (thio) cyanate compound, poly (thio) epoxy compound, polyoxetanyl compound, polythietanyl compound, poly (meth) acryloyl compound, polyalkene compound, alkyne compound, poly (thi) ol compound,
- the polymerizable composition for an optical material according to any one of [1] to [4], which is one or more compounds selected from a polyamine compound, an acid anhydride, or a polycarboxylic acid compound.
- [6] A molded product obtained by curing the polymerizable composition for an optical material according to any one of [1] to [5].
- An optical material comprising the molded article according to [6].
- a plastic lens made of the optical material according to [7].
- a method for producing an optical material comprising a step of cast polymerization of the polymerizable composition for an optical material according to any one of [1] to [5].
- striae during polymerization can be effectively reduced.
- the polymerizable composition for optical materials according to the present invention will be described based on the following embodiments.
- the polymerizable composition for an optical material of the present embodiment (hereinafter also simply referred to as “polymerizable composition” as appropriate) comprises an ester compound of component (A) or an ether compound of component (B) and a polymerizable compound. Including.
- the polymerizable composition includes one or more compounds selected from the group consisting of the ester compound of component (A) and the ether compound of component (B), and a polymerizable compound. .
- each component will be described.
- each component can be included in the polymerizable composition alone or in combination of two or more.
- “to” represents the following from the above, and includes values at both ends.
- Component (A) The ester compound of component (A) is a compound represented by the following general formula (1).
- R 1 is a hydrogen atom, a C1-C20 linear alkyl group, a C3-C20 branched alkyl group, a C2-C20 linear carbonization having one or more unsaturated bonds.
- R 2 represents a polyoxyalkylene group represented by the following general formula (2). -(CH 2 CHR 3 O) n H (2)
- a plurality of R 3 may be the same or different and each represents a hydrogen atom or a methyl group.
- N represents an integer of 2 to 20
- the carbon number of R 1 is preferably 8 to 20, more preferably 10 to 20, and still more preferably 12 to 18.
- the C1-C20 linear alkyl group is specifically a group represented by the following general formula (6).
- H- (CH 2 ) x- (6) (In the general formula (6), x represents an integer of 1 to 20)
- examples of the linear or C3 ⁇ alkyl group branched C20 of C1 ⁇ C20 for example, a methyl group, an ethyl group, n- propyl group, an isopropyl group, n- butyl group, isobutyl group, t -Butyl group, n-pentyl group, isopentyl group, t-pentyl group, n-hexyl group, n-heptyl group, isoheptyl group, n-octyl group, isooctyl group, n-nonyl group, isononyl group, n-decyl group , Isodecyl group, n-undecyl group, isoundecyl group, n-dodecyl group, isododecyl group, tridecyl group, tetradecyl group, pentadecyl group, n
- a C2-C20 linear hydrocarbon group having one or more unsaturated bonds is preferably one or two from the viewpoint of suppressing the striae of the resulting molded article.
- a C2-C20 linear hydrocarbon group having an unsaturated bond more preferably a C3-C20 linear hydrocarbon group represented by the following general formula (7), or a general formula (8) C5-C20 linear hydrocarbon group.
- x and y each independently represent an integer of 0 to 17, and x + y is an integer of 0 to 17
- x, y and z each independently represent an integer of 0 to 15, and x + y + z is an integer of 0 to 15)
- examples of the C2-C20 linear hydrocarbon group or the C3-20 branched hydrocarbon group having one or more unsaturated bonds include an ethenyl group, a propenyl group, Propenyl group, butenyl group, isobutenyl group, pentenyl group, isopentenyl group, t-pentenyl group, hexenyl group, heptenyl group, isoheptenyl group, octenyl group, isooctenyl group, nonenyl group, isononenyl group, decenyl group, isodecenyl group, undecenyl group And isodecenyl group, dodecenyl group, isododecenyl group, tridecenyl group, tetradecenyl group, pentadecenyl group, hexadecenyl group, heptadecenyl group
- R 1 in the general formula (1) is a viewpoint of improving the balance between the effect of suppressing the striae of the obtained molded product and the effect of improving the transparency of the molded product while increasing the pot life of the polymerizable composition.
- a C1-C20 linear alkyl group a C2-C20 linear hydrocarbon group having one or more unsaturated bonds, a C3-C20 branched alkyl group, or one or more unsaturated bonds.
- a branched hydrocarbon group of C3 to C20 having That is, the ester compound of the general formula (1) is preferably a polyoxyalkylene fatty acid ester.
- a plurality of R 3 s in the general formula (2) may be the same or different and each represents a hydrogen atom or a methyl group, thereby suppressing the striae of the resulting molded article. From this point of view, a hydrogen atom is preferable.
- n in the general formula (2) is an integer of 2 to 20, and preferably 2 to 18 from the viewpoint of suppressing striae of the obtained molded body. It is an integer.
- the component (A) preferably contains two or more compounds, and the component (A) is a compound in which R 1 is an alkyl group and R 1 is a hydrocarbon group having an unsaturated bond.
- the component (A) is a compound in which R 1 is a linear alkyl group, a compound in which R 1 is a hydrocarbon group having one unsaturated bond, and R 1 is It is more preferable to include a compound that is a hydrocarbon group having a saturated bond.
- the polymerizable composition may contain a plurality of compounds having different R 1 or R 2 as the component (A), and more specifically, the compound (A) is a plurality of compounds having different R 1 or n. May be included.
- the content of the component (A) in the polymerizable composition is preferably 0.01 to 7.5% by weight with respect to 100% by weight of the polymerizable composition. More preferably 0.01 to 4% by weight, still more preferably 0.03 to 2.5% by weight, still more preferably 0.05 to 1% by weight, and still more preferably 0.1 to 0.5% by weight. %.
- the ether compound of component (B) is a compound represented by the following general formula (3).
- R 4 —O—R 5 (3) (In the general formula (3), R 4 is a C1-C20 linear alkyl group, a C3-C20 branched alkyl group, a C2-C20 linear hydrocarbon group having one or more unsaturated bonds, Or a C3-C20 branched hydrocarbon group having one or more unsaturated bonds, wherein R 5 is a C1-C20 straight chain alkyl group, a C3-C20 branched alkyl group, or the following general group (The (poly) oxyalkylene group represented by Formula (4) is shown.) — (CH 2 CHR 6 O) m H (4) (In the general formula (4), a plurality of R 6 may be the same or different and each represents a hydrogen atom or a methyl group. M represents an integer of 1 to 20.)
- the carbon number of R 4 is preferably 10 to 20, more preferably 12 to 20, and still more preferably 15 to 19 from the viewpoint of suppressing striae of the obtained molded body.
- the C1 to C20 linear or C3 to C20 branched alkyl groups are specifically exemplified by the groups described above as R 1 in general formula (1).
- the C1-C20 linear alkyl group is specifically represented by general formula (6) described above for R 1 in general formula (1). It is a group.
- a C2-C20 linear hydrocarbon group or a C3-C20 branched hydrocarbon group having one or more unsaturated bonds in R 4 is specifically represented by the general formula ( Examples of R 1 in 1) include the groups described above.
- R 1 in 1 examples include the groups described above.
- R 1 in general formula (1) the general formula described above for R 1 in general formula (1)
- the group represented by Formula (7) or (8) is mentioned.
- the C2-C20 linear hydrocarbon group having one or more unsaturated bonds is preferably one or two from the viewpoint of suppressing the striae of the resulting molded article.
- a C2-C20 linear hydrocarbon group having an unsaturated bond more preferably a C3-C20 linear hydrocarbon group represented by the general formula (7) described above for R 1 in the general formula (1)
- a linear hydrocarbon group of C5 to C20 represented by the general formula (8) described above for R 1 in the general formula (1) and more preferably the above described for R 1 in the general formula (1).
- a C3-C20 linear hydrocarbon group represented by the general formula (7) a C3-C20 linear hydrocarbon group represented by the general formula (7).
- a plurality of R 6 present in the general formula (4) may be the same or different and each represents a hydrogen atom or a methyl group, thereby suppressing the striae of the resulting molded body. From this point of view, a hydrogen atom is preferable.
- m in the general formula (4) is an integer of 1 to 20, and preferably from 1 to 18 from the viewpoint of suppressing the striae of the obtained molded body. It is an integer.
- Component (B) is preferably a compound having a (poly) oxyalkylene group, more preferably a compound having a polyoxyalkylene group, from the viewpoint of suppressing striae of the molded article to be obtained.
- the component (B) preferably contains two or more compounds, and the component (B) is a compound in which R 4 is an alkyl group and R 4 is a hydrocarbon group having an unsaturated bond.
- the component (B) includes a compound in which R 4 is a linear alkyl group and a compound in which R 4 is a hydrocarbon group having one unsaturated bond.
- the polymerizable composition may contain a plurality of compounds having different R 4 or R 5 as the component (B), and more specifically, the compound (B) is a plurality of compounds having different R 4 or m. May be included.
- the content of the component (B) in the polymerizable composition is preferably 0.01 to 7.5% by weight with respect to 100% by weight of the polymerizable composition. More preferably 0.01 to 1% by weight, still more preferably 0.03 to 0.5% by weight, still more preferably 0.05 to 0.3% by weight, and still more preferably 0.05 to 0. 2% by weight.
- the polymerizable composition may contain either one of the components (A) and (B) or both.
- the polymerizable composition is a component ( Preferably, A) and (B) are included.
- R 1 in the general formula (1) and R 4 in the general formula (3) are the same or different groups.
- R 2 in the general formula (1) and R 5 in the general formula (3) may be the same group or different groups.
- the total weight of components (A) and (B) in the polymerizable composition is preferably 0.01 to 7.5% by weight, more preferably 0.02% with respect to 100% by weight of the polymerizable composition. To 5 wt%, more preferably 0.06 to 3 wt%, and even more preferably 0.1 to 1.3 wt%.
- the polymerizable composition may further contain a modifier other than components (A) and (B).
- the polymerizable composition may further include a compound having the structure represented by the general formula (1), wherein R 2 is a C1-C20 linear alkyl group or a C3-C20 branched alkyl group. Good.
- the polymerizable composition may further contain the following component (C).
- (C) represented by the following general formula (5)
- a plurality of R 7 may be the same or different and each represents a hydrogen atom or a methyl group.
- P represents an integer of 1 to 20)
- a plurality of R 7 may be the same or different and each represents a hydrogen atom or a methyl group, and is preferably a hydrogen atom from the viewpoint of suppressing striae of the obtained molded article.
- p is an integer of 1 to 20, and preferably an integer of 2 to 20 from the viewpoint of suppressing the striae of the obtained molded body.
- the polymerizable composition may contain a plurality of compounds having different p as the component (C).
- the component (C) is preferably polyoxyalkylene glycol, more preferably polyethylene glycol or polypropylene glycol, from the viewpoint of suppressing striae of the obtained molded article.
- the content of the component (C) in the polymerizable composition is from the viewpoint of enhancing the effect of suppressing the striae of the resulting molded article.
- the amount is preferably 0.01 to 1% by weight, more preferably 0.05 to 0.5% by weight, and still more preferably 0.05 to 0.3% by weight with respect to 100% by weight.
- a component (C) contains a polyol compound, from a viewpoint of improving the effect as a polymerizable compound in the polymerizable composition of such a polyol compound, the content of the component (C) is the polymerizable composition 100.
- it is 50 weight% or less with respect to weight%, More preferably, it is 40 weight% or less, More preferably, it is 30 weight% or less.
- the composition preferably comprises components (A) and (B) as modifiers; More preferably comprising components (A), (B) and (C); More preferably, it includes compounds represented by the following general formulas (9) to (14).
- the compounds represented by the following general formulas (9) to (11) are the component (A), and the compounds represented by the following general formulas (12) and (13) are the component (B).
- the compound represented by 14) is component (C).
- x, y, z, m, n, and p are respectively x, y, z, and general formulas (2), (4) to (8). Same as m, n and p.
- x in the general formula (9) is preferably 9 to 17, more preferably 11 to 15.
- n is preferably 2 to 18, and more preferably 2 to 16.
- x + y is preferably 9 to 17, and more preferably 11 to 15.
- n is preferably 2 to 18, and more preferably 2 to 17.
- x + y + z is preferably 9 to 15, and more preferably 11 to 13.
- n is preferably 2 to 18, and more preferably 2 to 16.
- x is preferably 12 to 20, and more preferably 14 to 18.
- m is preferably 1 to 19, and more preferably 2 to 18.
- x + y is preferably 12 to 17, more preferably 14 to 16.
- m is preferably 1 to 19, and more preferably 1 to 18.
- p is preferably 1 to 20, and more preferably 2 to 20.
- the content of the modifiers of components (A) to (C) in the polymerizable composition of the present embodiment includes the types and combinations of polymerizable compounds, the types of modifiers such as polymerization catalysts and internal mold release agents, It is appropriately selected depending on the amount used, various physical properties of the resin obtained by polymerizing the polymerizable composition, and the shape of the molded product.
- the total weight of (A), (B) and (C) in the polymerizable composition is preferably based on 100% by weight of the polymerizable composition from the viewpoint of enhancing the effect of suppressing the striae of the obtained molded article.
- a component (C) contains a polyol compound, from the viewpoint of enhancing the effect of the polyol compound as a polymerizable compound in the polymerizable composition, (A), (B) and The total weight of (C) is preferably 57.5% by weight or less, more preferably 45% by weight or less, and still more preferably 33% by weight or less with respect to 100% by weight of the polymerizable composition.
- the polymerizable compound has at least one polymerizable functional group capable of self-polymerization, copolymerization, or addition polymerization in the presence or absence of additives such as an initiator and a catalyst that are added as necessary.
- the polymerizable compound having is included.
- a polymerizable compound means compounds other than a component (A) and a component (B).
- one or more compounds selected from the group consisting of the component (A) and the component (B) have one or more polymerizable functional groups in the molecule.
- the polymerizable composition contains a polymerizable compound other than the component (A) and the component (B).
- the compound having a polymerizable functional group capable of self-polymerization, copolymerization or addition polymerization will be described more specifically.
- Polyiso (thio) cyanate compounds include tetramethylene diisocyanate, pentamethylene diisocyanate, pentamethylene diisocyanate nurate, hexamethylene diisocyanate, octamethylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, 2,4,4-trimethylhexamethylene.
- Aliphatic polyisocyanate compounds such as diisocyanate, lysine diisocyanatomethyl ester, lysine triisocyanate, xylylene diisocyanate; Isophorone diisocyanate, bis (isocyanatomethyl) cyclohexane, bis (4-isocyanatocyclohexyl) methane, dicyclohexyldimethylmethane isocyanate, 2,5-bis (isocyanatomethyl) bicyclo- [2.2.1] -heptane, 2, 6-bis (isocyanatomethyl) bicyclo- [2.2.1] -heptane, 3,8-bis (isocyanatomethyl) tricyclodecane, 3,9-bis (isocyanatomethyl) tricyclodecane, 4, Alicyclic polyisocyanate compounds such as 8-bis (isocyanatomethyl) tricyclodecane and 4,9-bis (isocyanatomethyl) tricyclode
- poly (thio) epoxy compound examples include polyepoxy compounds such as bisphenol A diglycidyl ether; Bis (2,3-epoxypropyl) sulfide, bis (2,3-epoxypropyl) disulfide, bis (2,3-epoxypropylthio) methane, 1,2-bis (2,3-epoxypropylthio) ethane, 1,2-bis (2,3-epoxypropylthio) propane, 1,3-bis (2,3-epoxypropylthio) propane, 1,3-bis (2,3-epoxypropylthio) -2-methyl Propane, 1,4-bis (2,3-epoxypropylthio) butane, 1,4-bis (2,3-epoxypropylthio) -2-methylbutane, 1,3-bis (2,3-epoxypropylthio) ) Butane, 1,5-bis (2,3-epoxypropylthio) pentane,
- polyoxetanyl compound examples include 3-ethyl-3-hydroxymethyloxetane, 1,4-bis ⁇ [(3-ethyl-3-oxetanyl) methoxy] methyl ⁇ benzene, 3-ethyl-3- (phenoxymethyl) oxetane, Examples include di [1-ethyl- (3-oxetanyl)] methyl ether, 3-ethyl-3- (2-ethylhexyloxymethyl) oxetane, phenol novolac oxetane, and the like.
- polythietanyl compound examples include 1- ⁇ 4- (6-mercaptomethylthio) -1,3-dithianylthio ⁇ -3- ⁇ 2- (1,3-dithietanyl) ⁇ methyl-7,9-bis (mercaptomethylthio) -2 , 4,6,10-tetrathiaundecane, 1,5-bis ⁇ 4- (6-mercaptomethylthio) -1,3-dithianylthio ⁇ -3- ⁇ 2- (1,3-dithietanyl) ⁇ methyl-2, 4-dithiapentane, 4,6-bis [3- ⁇ 2- (1,3-dithietanyl) ⁇ methyl-5-mercapto-2,4-dithiapentylthio] -1,3-dithiane, 3- ⁇ 2- (1,3-dithietanyl) ⁇ methyl-7,9-bis (mercaptomethylthio) -1,11-dimercapto-2,4,6,10-
- Poly (meth) acryloyl compounds include ethylene glycol diacrylate, 1,3-butylene glycol diacrylate, 1,4-butanediol diacrylate, 1,6-hexanediol diacrylate, cyclohexanedimethanol diacrylate, alkoxylated hexane Diol diacrylate, neopentyl glycol diacrylate, caprolactone modified neopentyl glycol hydroxypivalate diacrylate, cyclohexane dimethanol diacrylate, diethylene glycol diacrylate, dipropylene glycol diacrylate, bisphenol A diacrylate, ethoxylated bisphenol A diacrylate, hydroxy Pivalaraldehyde modified trimethylolpropane diacrylate, neopentyl Recall diacrylate, polyethylene glycol diacrylate, propoxylated neopentyl glycol diacrylate, tetraethylene glycol diacrylate, tricyclode
- polyalkene compound examples include polyethylene, polypropylene, polyisobutylene, diethylene glycol bis (allyl carbonate), divinylbenzene, and the like.
- alkyne compounds examples include 2-butyne, 2-pentyne, 2-hexyne, 3-hexyne, 2-heptin, 3-heptin, 2-octyne, 3-octyne, 4-octyne, diisopropylacetylene, 2-nonine, 3- Nonine, 4-nonine, 5-nonine, 2-decyne, 3-decyne, 4-decyne, 5-decyne, di-tert-butylacetylene, diphenylacetylene, dibenzylacetylene, methyl-iso-propylacetylene, methyl-tert -Butylacetylene, ethyl-iso-propylacetylene, ethyl-tert-butylacetylene, n-propyl-iso-propylacetylene, n-propyl-tert-butylacetylene, phenylmethylacety
- examples of the polyol compound include butylene glycol, neopentyl glycol, glycerin, trimethylolethane, and trimethylolpropane.
- polyol compounds include oxalic acid, glutamic acid, adipic acid, acetic acid, propionic acid, cyclohexanecarboxylic acid, ⁇ -oxocyclohexanepropionic acid, dimer acid, phthalic acid, isophthalic acid, salicylic acid, 3-bromopropionic acid, 2
- a condensation reaction product of an organic acid such as bromoglycol, dicarboxycyclohexane, pyromellitic acid, butanetetracarboxylic acid, bromophthalic acid and the above polyol
- An addition reaction product of the above polyol with an alkylene oxide such as ethylene oxide or propylene oxide
- An addition reaction product of an alkylene polyamine and an alkylene oxide such as ethylene oxide or propylene oxide
- Polythiol compounds include methanedithiol, 1,2-ethanedithiol, 1,2,3-propanetrithiol, 1,2-cyclohexanedithiol, bis (2-mercaptoethyl) ether, tetrakis (mercaptomethyl) methane, diethylene glycol bis (2-mercaptoacetate), diethylene glycol bis (3-mercaptopropionate), ethylene glycol bis (2-mercaptoacetate), ethylene glycol bis (3-mercaptopropionate), trimethylolpropane tris (2-mercaptoacetate) , Trimethylolpropane tris (3-mercaptopropionate), trimethylolethanetris (2-mercaptoacetate), trimethylolethanetris (3-mercaptopropionate) ), Pentaerythritol tetrakis (2-mercaptoacetate), pentaerythritol tetrakis (3-mercaptopropionate), bis (
- Polyamine compounds include ethylenediamine, 1,2-, or 1,3-diaminopropane, 1,2-, 1,3-, or 1,4-diaminobutane, 1,5-diaminopentane, 1,6-diamino Hexane, 1,7-diaminoheptane, 1,8-diaminooctane, 1,10-diaminodecane, 1,2-, 1,3- or 1,4-diaminocyclohexane, o-, m- or p-diamino Benzene, 3,4- or 4,4'-diaminobenzophenone, 3,4- or 4,4'-diaminodiphenyl ether, 4,4'-diaminodiphenylmethane, 4,4'-diaminodiphenyl sulfide, 3,3'- Or 4,4′-diaminodiphenylsulfone, 2,7-di
- acid anhydride examples include succinic anhydride, phthalic anhydride, maleic anhydride, tetrabromophthalic anhydride, tetrahydrophthalic anhydride, trimellitic anhydride, dodecyl succinic anhydride, and the like.
- Polycarboxylic acid compounds include succinic acid, adipic acid, sebacic acid, azelaic acid, dodecanedioic acid, terephthalic acid, isophthalic acid, orthophthalic acid, phthalic anhydride, tetrahydrophthalic acid, hexahydrophthalic acid, naphthalenedicarboxylic acid, biphenyl Examples thereof include dicarboxylic acid, dimer acid, trimellitic acid, pyromellitic acid, and ⁇ -caprolactone.
- the polymerizable compound is preferably a polyiso (thio) cyanate compound, a poly (thio) epoxy compound, One or more selected from polyoxetanyl compounds, polythietanyl compounds, poly (meth) acryloyl compounds, polyalkene compounds, alkyne compounds, poly (thiol) compounds, polyamine compounds, acid anhydrides, or polycarboxylic acid compounds A compound.
- the polymerizable compound contained in the composition of this embodiment will be described in more detail.
- the above polymerizable compounds can be classified into (Group A) and (Group B) depending on the reactivity.
- Group B Poly (thi) ol compounds, polyamine compounds, acid anhydrides, or polycarboxylic acid compounds can be classified as (group B) as addition polymerizable compounds. However, the above (Group A) is not included in (Group B).
- any one selected from (Group A) or (Group B) is selected.
- one selected from self-polymerizable or copolymerizable compounds (Group A) is selected from the addition polymerizable compound (Group B). It is preferable because it hardens more easily than one kind.
- Polyiso (thio) cyanate compounds classified as self-polymerizable or copolymerizable compounds are more self-polymerizable than other compounds classified in (Group A), or copolymerization reactions with (Group A) compounds.
- a self-polymerization reaction type polymer such as a 1-nylon type polymer and an isocyanurate type polymer may be obtained.
- an ethylene carbonate type copolymer may be obtained in the copolymerization with a poly (thio) epoxy compound.
- the compounding ratio of the acid anhydride to the poly (thiol) or polyamine is approximately 8/2 in terms of the molar ratio of the acid anhydride group of the acid anhydride / the mercapto group of the poly (thiol) (or the amino group of the polyamine).
- the range is from ⁇ 2 / 8, preferably from 6/4 to 4/6, and more preferably from 55/45 to 45/55.
- the blending ratio in the case of using both (Group A) and (Group B) is approximately 999/1 when expressed in terms of the functional group molar ratio of (Group A) polymerizable functional group / (Group B) polymerizable functional group. It is in the range of ⁇ 1 / 9, preferably in the range of 99/1 to 10/90, more preferably in the range of 9/1 to 3/7, and even more preferably in the range of 7/3 to 4/6.
- the modifier preferably contains components (A) and (B); More preferably comprising components (A), (B) and (C); More preferably, including the compounds represented by the aforementioned general formulas (9) to (14);
- the polymerizable compound is preferably a polyiso (thio) cyanate compound, poly (thio) epoxy compound, polyoxetanyl compound, polythietanyl compound, poly (meth) acryloyl compound, polyalkene compound, alkyne compound, poly (thi) ol compound, polyamine compound , One or more compounds selected from acid anhydrides or polycarboxylic acid compounds; More preferably comprises a polyiso (thio) cyanate compound; More
- the reaction material of a component (A) or (B), or suitably (C) and a polymerizable compound may exist in the polymerizable composition.
- the polymerizable composition there are one or more compounds selected from the group consisting of the component (A) and the component (B), and a reaction product of the polymerizable compound (C) and the polymerizable compound as appropriate. May be.
- Such reactant may be an intermediate in the polymerization reaction.
- the polymerizable composition contains a reaction product of component (A) or (B) or optionally (C) and a polymerizable compound, this reaction product is contained in the polymerizable composition like the above intermediate.
- the polymerizable composition may occur, or may be prepared in advance and blended in the polymerizable composition.
- the resultant reaction product is mixed with another polymerizable compound for polymerization.
- Sex compositions can also be obtained.
- the polymerizable composition contains one or more compounds selected from the group consisting of component (A) and component (B), and a reaction product with (C) as appropriate, It may occur in the polymerizable composition like an intermediate, or may be prepared in advance and blended in the polymerizable composition.
- the polymerizable compound contains a polyiso (thio) cyanate compound
- one or more compounds selected from the compounds represented by the following general formulas (15) to (17) are contained in the polymerizable composition. May be present.
- R 1 , R 3 , R 4 , R 6 and R 7 are the same as R 1 , R 3 , R 4 , (Same as R 6 and R 7 , R 8 is a residue derived from a polyiso (thio) cyanate compound, and q is an integer of 2 or more.)
- components other than the said polymeric compound may be contained.
- the composition containing the polymerizable compound contains as little solvent and water as possible. Accordingly, the amount of the solvent and water contained in the composition of this embodiment immediately before being injected into the cavity is preferably at least 20% by weight, more preferably 5% by weight or less, and even more preferably 1% by weight or less. .
- Examples of the solvent that is highly likely to be included in the composition of the present embodiment include a reaction solvent remaining in the internal mold release agent, a reaction solvent remaining in the polymerizable compound, and a solvent added from the viewpoint of reducing the viscosity of the composition.
- solvents mixed in by various routes such as a solvent added to dissolve various additives.
- Solvents that are likely to remain include, for example, water such as water, methanol, ethanol, 1-propanol, isopropanol, 1-butanol, isobutanol, t-butanol, 1-pentanol, 2-pentanol, Alcohols such as 3-pentanol, isopentanol, 1-hexanol, 2-ethylhexanol, 1-octanol, 2-methoxyethanol, 1-methoxy-2-propanol, acetone, methyl ethyl ketone, methyl-n-propyl ketone, Esters other than component (A), such as ketones such as methyl isopropyl ketone, methyl-n-butyl ketone, methyl isobutyl ketone, cyclohexanone, ethyl acetate, n-propyl acetate, isopropyl acetate, n-butyl acetate
- a polymerization catalyst or a thermal polymerization initiator is added as necessary when cured by heat, and infrared rays (heat) such as ultraviolet rays are added.
- infrared rays heat
- a photopolymerization initiator is added.
- the polymerization catalyst include Lewis acids, amines, tertiary amine compounds and inorganic acid salts or organic acid salts thereof, metal compounds, quaternary ammonium salts, organic sulfonic acids, and the like.
- the amount of the polymerization catalyst used is preferably in the range of 5 ppm to 15% by weight, more preferably in the range of 10 ppm to 10% by weight, and still more preferably in the range of 50 ppm to 3% by weight with respect to the polymerizable composition.
- the metal compound used as the polymerization catalyst include dimethyltin dichloride, dibutyltin dichloride, and dibutyltin dilaurate.
- an imidazole compound is mentioned as another polymerization catalyst.
- the imidazole compound include 2-methylimidazole, 2-ethylimidazole, 2-ethyl-4-methylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl-2-phenylimidazolium trimellitate, 2-phenylimidazole, 2-mercapto-1-methylimidazole, dimethylimidazole, N-benzylimidazole, 1-phenylimidazole, 1- (2-cyanoethyl) -2-ethyl-4-methylimidazole, 2-isopropylimidazole, 4 -Methylimidazole, benzylmethylimidazole, imidazole.
- thermal polymerization initiator examples include ketone peroxide compounds such as methyl isobutyl ketone peroxide and cyclohexanone peroxide; Diacyl peroxide compounds such as isobutyryl peroxide, o-chlorobenzoyl peroxide, benzoyl peroxide; Dialkyl peroxide compounds such as tris (t-butylperoxy) triazine, t-nutylcumyl peroxide; 1,1-di (t-hexylperoxy) cyclohexane, 2,2-bis (4,4-di-t-butylperoxycyclohexyl) propane, 2,2-di (t-butylperoxy) butane, etc.
- ketone peroxide compounds such as methyl isobutyl ketone peroxide and cyclohexanone peroxide
- Diacyl peroxide compounds such as isobutyryl peroxide, o-chlorobenzoyl
- Peroxyketal compounds ⁇ -cumylperoxyneodecanoate, t-butylperoxypivalate, 2,4,4-trimethylpentylperoxy-2-ethylhexanoate, t-butylperoxy-2-ethylhexanoate, alkyl perester compounds such as t-butylperoxy-3,5,5-trimethylhexanoate; Peroxycarbonate compounds such as di-3-methoxybutylperoxydicarbonate, bis (4-t-butylcyclohexyl) peroxydicarbonate, t-butylperoxyisopropylcarbonate, diethylene glycol bis (t-butylperoxycarbonate), etc. Is mentioned.
- Examples of the photopolymerization initiator used include a photoradical polymerization initiator, a photocationic polymerization initiator, and a photoanionic polymerization initiator. Among these photopolymerization initiators, a photoradical polymerization initiator is preferable.
- photo radical polymerization initiator examples include Irgacure 127 (manufactured by BASF), Irgacure 651 (manufactured by BASF), Irgacure 184 (manufactured by BASF), Darocur 1173 (manufactured by BASF), benzophenone, 4- Phenylbenzophenone, Irgacure 500 (made by BASF), Irgacure 2959 (made by BASF), Irgacure 907 (made by BASF), Irgacure 369 (made by BASF), Irgacure 1300 (made by BASF), Irgacure 819 (BASF), Irgacure 1800 (BASF), Darocur TPO (BASF), Darocur 4265 (BASF), Irgacure OXE01 (BASF), Irgacure OXE02 (BASF) ), Esacure KT55 (Lamberti), Esacure ONE (
- Irgacure 127 (manufactured by BASF), Irgacure 184 (manufactured by BASF), Darocur 1173 (manufactured by BASF), Irgacure 500 (manufactured by BASF), Irgacure 819 (BASF) Darocur TPO (manufactured by BASF), Esacure ONE (manufactured by Lamberti), Esacure KIP100F (manufactured by Lamberti), Esacure KT37 (manufactured by Lamberti) and Esacure KTO46 (manufactured by Lamberti) are preferable.
- photocationic polymerization initiator examples include Irgacure 250 (manufactured by BASF), Irgacure 784 (manufactured by BASF), Esacure 1064 (manufactured by Lamberti), CYRAURE UVI 6990 (manufactured by Union Carbide Japan), Adeka Optomer SP-172 (made by ADEKA), Adeka optomer SP-170 (made by ADEKA), Adeka optomer SP-152 (made by ADEKA), Adeka optomer SP-150 (made by ADEKA), etc. are mentioned. .
- a photopolymerization accelerator When using the photopolymerization initiator, a photopolymerization accelerator may be used in combination.
- the photopolymerization accelerator include 2,2-bis (2-chlorophenyl) -4,5′-tetraphenyl-2′H- ⁇ 1,2 ′> biimidazolol, tris (4-dimethylaminophenyl) methane, Examples include 4,4′-bis (dimethylamino) benzophenone, 2-ethylanthraquinone, camphorquinone, and the like.
- the amount of the photopolymerization initiator and thermal polymerization initiator used is preferably in the range of 0.1 to 20% by weight, more preferably in the range of 0.5 to 10% by weight, even more preferably, based on the entire polymerizable composition. Is in the range of 1 to 5% by weight.
- an internal mold release agent may be added as necessary.
- An acidic phosphate ester can be used as the internal mold release agent.
- acidic phosphoric acid esters include phosphoric acid monoesters and phosphoric acid diesters, which can be used alone or in combination of two or more.
- the acidic phosphate used as the internal mold release agent can be represented by the general formula (18).
- s represents an integer of 1 or 2
- t represents an integer of 0 to 18
- R 27 represents an alkyl group having 1 to 20 carbon atoms
- R 28 and R 29 are each independently A hydrogen atom, a methyl group or an ethyl group is shown.
- the number of carbon atoms in s is preferably 4 to 20.
- a plurality of R 27 s , a plurality of R 28 s , or a plurality of R 29 s may be the same or different.
- R 27 in the general formula (18) is, for example, linear aliphatic such as methane, ethane, propane, butane, pentane, hexane, heptane, octane, nonane, decane, undecane, dodecane, tetradecane, hexadecane, etc.
- Residue Residue, cyclopentane, cyclohexane, 1,2-dimethylcyclohexane, 1,3-dimethylcyclohexane, organic residues derived from alicyclic compounds such as 1,4-dimethylcyclohexane, etc. At least one selected from these can be used. In addition, it is not limited only to these exemplary compounds.
- the acidic phosphate ester at least one kind or a mixture of two or more kinds can be used.
- t is preferably 0 or 1.
- R 27 is preferably a linear or branched alkyl group having 4 to 12 carbon atoms, and more preferably a linear alkyl group having 4 to 12 carbon atoms.
- R 27 is preferably a linear or branched alkyl group having 1 to 20 carbon atoms, and more preferably a linear or branched alkyl group having 3 to 12 carbon atoms.
- the acidic phosphate ester can be used as one or a mixture of two or more selected from these.
- acidic phosphoric acid esters examples include ZelecUN (STEPAN), MR internal mold release agent (Mitsui Chemicals), JP series such as JP-506H manufactured by Johoku Chemical Industry, and phosphanol manufactured by Toho Chemical Industries. Series, Daihachi Chemical Co., Ltd. AP, DP series and the like can be used, and ZelecUN (STEPAN) and MR internal mold release agent (Mitsui Chemicals) are more preferable.
- an ultraviolet absorber and a hindered amine light stabilizer are further added to the composition of this embodiment, and the weather resistance It is desirable that the composition is imparted with properties.
- the ultraviolet absorber is not limited.
- a benzotriazole ultraviolet absorber a triazine ultraviolet absorber, a benzophenone ultraviolet absorber, a benzoate ultraviolet absorber, a propanedioic acid ester ultraviolet absorber, an oxanilide ultraviolet absorber
- Various ultraviolet absorbers such as an agent can be used.
- HALS Hindered Amine Light Stabilizers
- a hindered amine light stabilizer for example, trade name Tinuvin 111FDL (manufactured by BASF), bis (1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate (trade name) Tinuvin 123 (manufactured by BASF), trade name Tinuvin 144 (manufactured by BASF), trade name Tinuvin 292 (manufactured by BASF), trade name Tinuvin 765 (manufactured by BASF), trade name Tinuvin 770 (manufactured by BASF), N , N′-bis (3-aminopropyl) ethylenediamine-2,4-bis [N-butyl-N- (1,2,2,6,6-pentamethyl-4-piperidyl) amino] -6-chloro-1 , 3,5-triazine condensate (trade name CHIMASSORB119FL (manufactured by BASF)), trade name CHIMASSORB
- the addition amount of the UV absorber and the hindered amine light stabilizer is not limited, but the content of the UV absorber is usually 0.1 to 20% by weight, preferably 0.5 to 0.5% based on the entire polymerizable composition.
- the content of the hindered amine light stabilizer is usually in the range of 0.1 to 10% by weight, preferably 0.5 to 5% by weight, more preferably 1 to 3% by weight.
- the amount of the ultraviolet absorber or hindered amine light stabilizer added is too small, the effect of improving the weather resistance of the resulting molded product may be reduced.
- the amount of the ultraviolet absorber or hindered amine light stabilizer added is too small, the effect of improving the weather resistance of the resulting molded product may be reduced.
- a light control dye or a light control pigment may be added.
- typical photochromic dyes or photochromic dyes for example, one or two or more of spiropyran compounds, spirooxazine compounds, fulgide compounds, naphthopyran compounds, and bisimidazole compounds may be used depending on the desired coloration. Can be used.
- spiropyran compounds include indole and indole of indolinospirobenzopyran, indole and indole of indolinospiropylobenzopyran, indole of indolinospironaphthopyran, each of which is substituted with halogen, methyl, ethyl, methylene, ethylene, hydroxyl group, etc.
- Examples include each substituent, and each substituent in which the indole ring of indolinospiropyridopyran is substituted with halogen, methyl, ethyl, methylene, ethylene, hydroxyl group, and the like.
- spirooxazine-based compounds include indolinospirobenzoxazine substituted with indole and benzene rings substituted with halogen, methyl, ethyl, methylene, ethylene, hydroxyl group, etc., and indolinospironaphthoxazine Indole ring and naphthalene ring substituted with halogen, methyl, ethyl, methylene, ethylene, hydroxyl group, etc.
- each substituted product, each indole ring of indolinospiroquinolinoxazine substituted with indole ring with halogen, methyl, ethyl, methylene, ethylene, hydroxyl group, etc., piperidine ring and naphthalene ring of piperidinospironaphthoxazine are halogen , Me Le, ethyl, methylene, ethylene, substitution products substituted by a hydroxyl group or the like, and the like.
- fulgide compounds include N-cyanomethyl-6,7-dihydro-4-methyl-2-phenylspiro (5,6-benzo [b] thiophenedicarboximide-7,2′-tricyclo [3.3 .1.1 3,7] decane], N- cyanomethyl-6,7-dihydro-2-(p-methoxyphenyl) -4-methylspiro (5,6-benzo [b] thiophene-dicarboximide -7,2 '-Tricyclo [3.3.1.1 3,7 ] decane), 6,7-dihydro-N-methoxycarbonylmethyl-4-methyl-2-phenylspiro (5,6-benzo [b] thiophenedicarboxy Imido-7,2′-tricyclo [3.3.1.1 3,7 ] decane), 6,7-dihydro-4-methyl-2- (p-methylphenyl) -N-nitromethylspiro (5 6-Benzo [b] chi Fen-dicar
- naphthopyran compounds include spiro [norbornane-2,2 ′-[2H] benzo [h] chromene], spiro [bicyclo [3.3.1] nonane-9,2 ′-[2H] benzo [h Chromene], 7'-methoxyspiro [bicyclo [3.3.1] nonane-9,2 '-[2H] benzo [h] chromene], 7'-methoxyspir [norbornane-2,2'-[2H] Benzo [f] chromene], 2,2-dimethyl-7-octoxy [2H] benzo [h] chromene, spiro [2-bicyclo [3.3.1] nonene-9,2 '-[2H] benzo [h ] Chromene], spiro [2-bicyclo [3.3.1] nonene-9,2 '-[2H] benzo [f] chromene], 6-morpholino-3,3-bis (3-fluoro-4-
- the addition amount of these light control dyes or light control pigments is not limited, but is in the range of about 0.01 to 10000 ppm (weight), preferably in the range of 0.1 to 1000 ppm (weight) with respect to the entire polymerizable composition. More preferably, it is in the range of 1 to 100 ppm (weight).
- the composition of the present embodiment further includes a polymerization accelerator, a catalyst, an infrared absorber, a radical scavenger, an antioxidant, a polymerization inhibitor, a non-light-control pigment and dye, a bluing agent, and the like.
- a polymerization accelerator such as polyethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium metabisulfite, sodium
- the color tone adjusting agent such as a bluing agent
- examples of the color tone adjusting agent include those having an absorption band in the wavelength range from orange to yellow in the visible light region and the function of adjusting the hue of the optical material made of resin. More specifically, the bluing agent contains a substance exhibiting a blue to purple color.
- a color tone adjusting agent such as a bluing agent, for example, Plast Color series manufactured by Arimoto Chemical Industry Co., Ltd. can be used.
- the polymerizable composition contains the component (A) or (B), striae caused by convection generated in the cavity during polymerization can be effectively reduced. Further, when the polymerizable composition contains one or more compounds selected from the group consisting of the component (A) and the component (B) and the polymerizable compound, convection generated in the cavity at the time of polymerization can be achieved. The cause of striae can be effectively reduced. In addition, in the polymerizable composition according to the present embodiment, for example, even when time has elapsed since preparation and the viscosity of the obtained optical lens can be remarkably reduced, the yield of products can be greatly improved. It is also possible to do. Furthermore, the obtained optical lens is excellent in quality such as optical properties.
- the polymerizable composition having a pot life longer than that of the prior art without impairing safety and productivity during polymerization by using the component (A) or (B). It is possible to provide a product, and it is possible to stably manufacture an extremely high quality product excellent in appearance and physical properties. Moreover, in this embodiment, the said effect is acquired when a polymeric composition contains the 1 or 2 or more compound selected from the group which consists of a component (A) and a component (B), and a polymeric compound. Further, according to the present embodiment, for example, striae is effectively suppressed, and it is possible to obtain an optical lens that is excellent in optical characteristics such as refractive index and Abbe number and heat resistance.
- ⁇ Curing resin, molded body> A cured resin obtained by heat-polymerizing (curing) the composition of the present embodiment and a molded body made of the resin are produced by adding a polymerizable compound and, if necessary, the various additives described above.
- a polymerizable compound and an additive that are not described in the present application may be added to the composition of the present embodiment as long as the effects of the present embodiment are not impaired.
- the cured resin constituting the molded body of this embodiment is preferably a cured resin obtained from a liquid polymerizable composition that is easy to cast, and among these cured resins, the following (a) to (z) are described.
- the cured resin is preferable.
- poly (thio) urethane resin obtained by polymerizing polyiso (thio) cyanate compound and poly (thi) ol compound
- poly (thio) urethane resin means polyurethane resin, polythiourethane resin and polydithiourethane resin.
- poly (thio) urea resin means polyurea resin and polythiourea resin.
- More preferable cured resins include the cured resins described in (a) to (f), (s) to (v), and (z) and mixed resins thereof.
- optical material various shapes of molded bodies and optical materials composed of such molded bodies can be obtained by changing the mold during polymerization.
- the molded body of the present embodiment can be used as various optical materials by forming a desired shape and providing a coat layer or other members formed as necessary.
- the manufacturing method of the optical material in the present embodiment includes, for example, a step of cast polymerization of the polymerizable composition of the present embodiment.
- the optical material examples include a plastic lens, a light emitting diode (LED), a prism, an optical fiber, an information recording substrate, a filter, and a light emitting diode.
- a plastic lens which consists of a molded object of this embodiment is demonstrated.
- the plastic lens can be manufactured as follows.
- the plastic lens of this embodiment is usually produced by a casting polymerization method using the above-described composition.
- the component (A) or (B) and optionally (C) are added to a composition containing a polymerizable compound, mixed and stirred, and degassed under reduced pressure as necessary.
- 1 or 2 or more compounds selected from the group which consists of a component (A) and a component (B), and (C) suitably are added to the composition containing a polymeric compound, and it mixes and stirs as needed. Then, vacuum degassing may be performed.
- the solubility of the components (A) to (C) in the poly (thi) ol compound may be low.
- a method in which the component (A) or (B) and, where appropriate, (C) is completely dissolved in the polyiso (thio) cyanate compound in advance and then mixed with the poly (thio) ol compound is preferred.
- one or more compounds selected from the group consisting of the component (A) and the component (B), and (C), as appropriate, are completely dissolved in the polyiso (thio) cyanate compound in advance, and then the poly (h) A method of mixing all compounds is preferred.
- the obtained composition of the present embodiment is injected into a cavity formed of a glass mold and a gasket or a tape, and irradiated with radiation such as ultraviolet rays other than heating or infrared rays to be polymerized and cured, and the cured resin of the present embodiment and A plastic lens made of the resin is manufactured.
- the heating is usually gradually raised from a low temperature for several days. It is also polymerized.
- the temperature is gradually raised from a low temperature in the range of 0 to 200 ° C. for 64 hours, similarly in the range of 5 to 150 ° C. for 40 hours, and similarly in the range of 20 to 120 ° C. for 36 hours.
- the polymerization is usually performed gradually by dividing the irradiation of radiation or reducing the illuminance. It is done. From the viewpoint of preventing more convection, after injecting a uniform polymerizable reaction composition into the cavity, it is once cooled to form a state where convection hardly occurs, and then a weak radiation is irradiated to form a uniform gel state. In some cases, a dual cure method or the like in which the formed semi-cured composition is completely cured by heating may be employed.
- the plastic lens obtained by releasing from the mold may be subjected to reheating treatment (annealing) as necessary from the viewpoint of completing polymerization or removing distortion due to residual stress.
- heat treatment is performed in the range of 1 to 24 hours at a temperature Tg to Tg ⁇ 2 times that of the obtained plastic lens. More preferably, the heat treatment conditions are 1 to 16 hours at a temperature of Tg to Tg ⁇ 1.5 times, and more preferably the heat treatment conditions are 1 to 4 hours at a temperature of Tg to Tg ⁇ 1.2 times. It is done.
- energy rays having a wavelength region in the range of 0.0001 to 800 nm are usually used.
- the radiation is classified into ⁇ -rays, ⁇ -rays, ⁇ -rays, X-rays, electron beams, ultraviolet rays, visible light, and the like, and can be appropriately selected and used according to the composition of the mixture.
- ultraviolet rays are preferable, and the output peak of ultraviolet rays is preferably in the range of 200 to 450 nm, more preferably in the range of 230 to 445 nm, still more preferably in the range of 240 to 430 nm, and even more preferably in the range of 250 to 400 nm. .
- the output peak of ultraviolet rays is preferably in the range of 200 to 450 nm, more preferably in the range of 230 to 445 nm, still more preferably in the range of 240 to 430 nm, and even more preferably in the range of 250 to 400 nm.
- ultraviolet absorber or a hindered amine stabilizer when added to the composition, it is preferable to use ultraviolet rays having an ultraviolet energy output peak in the range of 250 to 280 nm or 370 to 430 nm. It is in.
- the cured resin of this embodiment thus obtained and the plastic lens made of the resin have a hard coat, antireflection coat, light control coat, slipperiness coat or slipperiness treatment, antistatic coat, and the like on the surface.
- a polarizing film can be placed inside the surface. You may perform the process etc. which affix on or give various functionality.
- the surface of the obtained cured resin of the present embodiment and the plastic lens made of the resin corona treatment, ozone treatment, oxygen gas or Physical or chemical treatment such as low-temperature plasma treatment using nitrogen gas or the like, glow discharge treatment, oxidation treatment with chemicals, or flame treatment can also be performed.
- a primer layer formed by primer treatment, undercoat treatment, anchor coat treatment or the like may be provided.
- the coating agent used for the primer layer examples include polyester resins, polyamide resins, polyurethane resins, epoxy resins, phenol resins, (meth) acrylic resins, polyvinyl acetate resins, polyethylene, and polypropylene.
- a coating agent containing a resin such as a polyolefin resin or a copolymer or modified resin thereof, or a cellulose resin as a main component of the vehicle can be used.
- the coating agent may be either a solvent type coating agent or an aqueous type coating agent.
- modified polyolefin coating agents ethyl vinyl alcohol coating agents, polyethyleneimine coating agents, polybutadiene coating agents, polyurethane coating agents; Polyester polyurethane emulsion coating agent, polyvinyl chloride emulsion coating agent, retane acrylic emulsion coating agent, silicone acrylic emulsion coating agent, vinyl acetate acrylic emulsion coating agent, acrylic emulsion coating agent; Styrene-butadiene copolymer latex coating agent, acrylonitrile-butadiene copolymer latex coating agent, methyl methacrylate-butadiene copolymer latex coating agent, chloroprene latex coating agent, rubber-based latex coating agent of polybutadiene latex, polyacrylic acid ester A latex coating agent, a polyvinylidene chloride latex coating agent, a polybutadiene latex coating agent, or a coating agent comprising a carboxylic acid-modified latex or
- These coating agents can be applied by, for example, a dipping coating method, a spin coating method, a spray coating method, and the like. 2 to 10 g / m 2 .
- polyurethane-based coating agents are more preferable.
- the polyurethane-based coating agent has a urethane bond in the main chain or side chain of the resin contained in the coating agent.
- the polyurethane-based coating agent is, for example, a coating agent containing polyurethane obtained by reacting a polyol such as polyester polyol, polyether polyol, or acrylic polyol and an isocyanate compound.
- polyurethane coating agents obtained by mixing polyester polyols such as condensation polyester polyols and lactone polyester polyols with isocyanate compounds such as tolylene diisocyanate, hexamethylene diisocyanate, and xylene diisocyanate are closely attached. It is preferable because of its excellent properties.
- the method of mixing the polyol compound and the isocyanate compound is not limited. Further, although the blending ratio is not limited, too little isocyanate compound may cause poor curing, so that the OH group of the polyol compound and the NCO group of the isocyanate compound are in the range of 2/1 to 1/40 in terms of equivalents. Is preferred.
- the cured resin of the present embodiment can be applied to other than plastic lenses.
- a sheet and a film manufactured using a flat mold in the same manner as a plastic lens may be used. It is done. Sheets and films made of the curable resin of the present embodiment may have their surfaces physically or chemically treated in the same manner as plastic lenses, and the primer layer and physical or chemical treatment described above.
- the functional outermost layer (atmospheric contact surface) formed by the above may be laminated.
- the plastic lens made of the cured resin of this embodiment is a laminate including the primer layer between the functional outermost layer (atmospheric contact surface) formed by the above-described physical or chemical treatment and the cured resin surface. It may be.
- the plastic lens of the present embodiment can be used for various lens applications such as a spectacle lens, a camera lens, a pickup lens, a Furnell lens, a prism lens, and a lenticular lens.
- lens applications such as a spectacle lens, a camera lens, a pickup lens, a Furnell lens, a prism lens, and a lenticular lens.
- particularly preferred applications include eyeglass lenses, camera lenses, and pickup lenses having a smooth surface.
- the sheet and film of this embodiment obtained similarly are display members, such as a flat panel and a smart phone panel, a scattering prevention film, a specific wavelength cut film, film members, such as a film for decoration, building material window glass, vehicle window glass, a mirror It can be used as various flat member applications that require high transparency, such as glass substitute members.
- the present invention includes the following aspects.
- Polymeric composition for optical materials containing the following component (A) or (B) and a polymeric compound.
- R 1 is a hydrogen atom, a C1-C20 linear alkyl group, a C3-C20 branched alkyl group, a C2-C20 linear carbonization having one or more unsaturated bonds.
- R 2 represents a polyoxyalkylene group represented by the following general formula (2).
- R 3 may be the same or different and each represents a hydrogen atom or a methyl group.
- N represents an integer of 2 to 20
- R 4 is a C1-C20 linear alkyl group, a C3-C20 branched alkyl group, a C2-C20 linear hydrocarbon group having one or more unsaturated bonds, Or a C3-C20 branched hydrocarbon group having one or more unsaturated bonds, wherein R 5 is a C1-C20 straight chain alkyl group, a C3-C20 branched alkyl group, or the following general group (The (poly) oxyalkylene group represented by Formula (4) is shown.) — (CH 2 CHR 6 O) m H (4) (In the general formula (4), a plurality of R 6 may be the same
- M represents an integer of 1 to 20.
- C The polymerizable composition for optical materials described in 1.
- (C) represented by the following general formula (5) (poly) alkylene glycol HO (CH 2 CHR 7 O) p H (5)
- a plurality of R 7 may be the same or different and each represents a hydrogen atom or a methyl group.
- P represents an integer of 1 to 20) 3.
- the total weight of the components (A), (B), and (C) in the optical material polymerizable composition is 0.01 to 7.5 wt% with respect to 100 wt% of the optical material polymerizable composition. %, The above 2.
- the component (C) is contained in the range of 0.01 to 1% by weight in 100% by weight of the polymerizable composition for optical materials. Or 3.
- the polymerizable compound is a polyiso (thio) cyanate compound, a poly (thio) epoxy compound, a polyoxetanyl compound, a polythietanyl compound, a poly (meth) acryloyl compound, a polyalkene compound, an alkyne compound, a poly (thi) ol compound, a polyamine compound, 1.
- the polymerizable composition for an optical material according to any one of the above. 6). Above 1.
- the molded body made of a cured resin and the plastic lens were evaluated by the following method.
- Stratum Immediately after preparing the polymerizable composition and after 2 hours from the preparation, a lens is manufactured, and each lens is made of an ultra-high pressure mercury lamp (light source model OPM-252HEG: Ushio). And the transmitted image was visually evaluated for the presence or absence of striae.
- these lenses are hereinafter referred to as a lens immediately after compounding and a lens after 2 hours in order.
- Refractive index, Abbe number Measurement was performed at 20 ° C.
- Heat resistance glass transition temperature: Tg: Measured by a TMA penetration method (50 g load, pin tip 0.5 mm ⁇ , heating rate 10 ° C./min) with a thermomechanical analyzer TMA-60 manufactured by Shimadzu Corporation. Appearance: The turbidity of the produced lens was confirmed visually in a dark room. The turbidity was confirmed as x, and the turbidity as unacceptable.
- the modifier used in the following examples is a compound represented by the following formula (9): 3% by weight, a compound represented by the formula (10): 44% by weight, and a formula (11): 3% by weight of the compound, 9% by weight of the compound represented by the formula (12), 8% by weight of the compound represented by the formula (13), and 32% by weight of the compound represented by the formula (14) And a mixture containing a total of 99% by weight of the compounds represented by the formulas (9) to (14).
- Example 1 In a 2000 mL three-necked flask, 58.9 parts by weight of bis (4-isocyanatocyclohexyl) methane, 2- (3′-tert-butyl-2′-hydroxy-5′-methylphenyl) -5-chlorobenzotriazole ( Tinuvin 326 (manufactured by BASF) 0.64 parts by weight, EVERSORB109 (manufactured by EVER LIGHT) 1.5 parts by weight, ZelecUN (manufactured by STEPAN) 0.1 parts by weight 0.4 part by weight of a modifier containing a total of 99% by weight of the compound represented, Plast Blue 8514 (manufactured by Arimoto Chemical Industry) 0.0006 part by weight, Plast Red 8320 (manufactured by Arimoto Chemical Industry) 0003 parts by weight were added and completely dissolved in a nitrogen atmosphere at 20 ° C.
- Tinuvin 326 manufactured by BASF
- EVERSORB109 manufactured by EVER LIGHT
- the mold was removed from the oven, and the molded product was released from the cavity to obtain a lens.
- two hours after preparing the polymerizable composition the above procedure was repeated to obtain a lens.
- no striae were confirmed in any of the lenses immediately after compounding and after 2 hours.
- the lens immediately after the preparation exhibited good physical properties at a good appearance, a refractive index (ne) of 1.602, an Abbe number ( ⁇ e) of 39, and a Tg of 135 ° C.
- the evaluation results are shown in Table 1.
- Example 2 In a 2000 mL three-necked flask, 24.15 parts by weight of pentamethylene diisocyanate, 1.50 parts by weight of 2- (2′-hydroxy-5′-t-octylphenyl) -benzotriazole (Viosorb 583, manufactured by Kyodo Yakuhin), ZelecUN (STEPAN) 0.12 parts by weight, 0.3 parts by weight of a modifier containing a total of 99% by weight of the compounds represented by the above formulas (9) to (14), Plast Blue 8514 (Arimoto Chemical Industries) 0.0006 parts by weight) and Plast Red 8320 (manufactured by Arimoto Chemical Co., Ltd.) were added and dissolved completely in a nitrogen atmosphere at 20 ° C.
- pentamethylene diisocyanate 1.50 parts by weight of 2- (2′-hydroxy-5′-t-octylphenyl) -benzotriazole (Viosorb 583, manufactured by Kyodo Yakuhin),
- the mold was removed from the oven, and the molded product was released from the cavity to obtain a lens.
- two hours after preparing the polymerizable composition the above procedure was repeated to obtain a lens.
- the lens immediately after preparation exhibited good physical properties at an appearance of ⁇ , a refractive index (ne) of 1.602, an Abbe number ( ⁇ e) of 40, and a Tg of 86 ° C.
- the evaluation results are shown in Table 1.
- Example 3 In a 2000 mL three-necked flask, 46.2 parts by weight of isophorone diisocyanate, 0.35 parts by weight of JP-506H (manufactured by Johoku Chemical Co., Ltd.), and 99 parts by weight of the compounds represented by the above formulas (9) to (14) % Of modifier containing 0.5%, Plast Blue 8514 (Arimoto Chemical Co., Ltd.) 0.0006 part, Plast Red 8320 (Arimoto Chemical Co., Ltd.) 0.0003 part by weight, and 20 ° C. It was completely dissolved in a nitrogen atmosphere.
- thiol which is a mixture of 0.075 parts by weight of dimethyltin dichloride, 5,7-, 4,7-, 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane
- a mixture of 30.1 parts by weight of the compound and 23.7 parts by weight of polypropylene glycol (triol type, average molecular weight 1500) was added, transferred to a 10 ° C. bath, stirred and mixed for 20 minutes, and then further 0.20 kPa. Was degassed under reduced pressure for 30 minutes to obtain a polymerizable composition.
- the mold was removed from the oven, and the molded product was released from the cavity to obtain a lens.
- two hours after preparing the polymerizable composition the above procedure was repeated to obtain a lens.
- no striae were confirmed in any of the lenses immediately after compounding and after 2 hours.
- the lens immediately after the preparation exhibited good physical properties with an appearance of ⁇ , a refractive index (ne) of 1.562, an Abbe number ( ⁇ e) of 40, and a Tg of 94 ° C.
- the evaluation results are shown in Table 1.
- Example 1 A lens was obtained according to the method of Example 1 except that the modifier described above was not blended. When the obtained lenses were observed for the presence or absence of striae, many striae were confirmed in both the lenses immediately after compounding and after 2 hours.
- Example 2 A lens was obtained according to the method of Example 2 except that the modifier was not added. When the obtained lenses were observed for the presence or absence of striae, many striae were confirmed in both the lenses immediately after compounding and after 2 hours.
- Example 3 A lens was obtained according to the method of Example 3 except that the modifier was not added. When the obtained lenses were observed for the presence or absence of striae, many striae were confirmed in both the lenses immediately after compounding and after 2 hours.
- Isocyanate compound a bis (4-isocyanatocyclohexyl) methane isocyanate compound b: pentamethylene diisocyanate isocyanate compound c: pentamethylene diisocyanurate isocyanate compound d: isophorone diisocyanate thiol compound e: 5,7-, 4,7- and 4, Mixture of 8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane thiol compound f: pentaerythritol tetrakis (3-mercaptopropionate) Polyol compound g (component (C)): polypropylene glycol (triol type, average molecular weight 1500)
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Abstract
Description
特許文献1に記載のプラスチックレンズの製造装置によれば、ロータリテーブルに載置されたプラスチック組成物が注入された成形用型が1回転する間にプラスチックレンズの製造が可能となり、コンパクトでスペース効率に優れたプラスチックレンズの製造装置を提供することができるとされている。
また、たとえば、モノマー組成物を予備反応させて特定範囲に増粘させた後、従来の製造方法と同様の昇温重合プログラムにより重合硬化させる方法(特許文献2)、モノマー組成物を重合硬化する工程の途中に、モノマー組成物が充填された成形体を、強制的に、規則的または不規則的に動かすことで、硬化中のモノマーの偏りを解消し、光学的歪あるいは脈理の発生を抑制する方法(特許文献3)、モノマー組成物を重合する際の温度プログラムを最適化する方法(特許文献4)、モノマー組成物を重合硬化する際、モノマー組成物が充填された成形体を水平面から特定の角度に保って硬化する方法(特許文献5)、モノマー組成物が充填された成形型を液体に浸漬させた状態で、マイクロ波を照射することにより重合する方法(特許文献6)などがある。
また、脂肪酸エステル系化合物を含む光学材料用の組成物として、特許文献7および8に記載の技術がある。
[1] 以下の成分(A)および成分(B)からなる群から選択される1または2以上の化合物と、重合性化合物と、を含む、光学材料用重合性組成物。
(A)下記一般式(1)で表されるエステル化合物
-(CH2CHR3O)nH (2)
(上記一般式(2)中、複数存在するR3は同一または異なっていてもよく、水素原子またはメチル基を示す。nは、2~20の整数を示す。)
(B)下記一般式(3)で表されるエーテル化合物
R4-O-R5 (3)
(上記一般式(3)中、R4は、C1~C20の直鎖アルキル基、C3~C20の分岐のアルキル基、1つ以上の不飽和結合を有するC2~C20の直鎖炭化水素基、または、1つ以上の不飽和結合を有するC3~C20の分岐の炭化水素基を示す。R5は、C1~C20の直鎖のアルキル基、C3~C20の分岐のアルキル基、または、下記一般式(4)で表される(ポリ)オキシアルキレン基を示す。)
-(CH2CHR6O)mH (4)
(上記一般式(4)中、複数存在するR6は同一または異なっていてもよく、水素原子またはメチル基を示す。mは、1~20の整数を示す。)
[2] 以下の成分(C)をさらに含む、[1]に記載の光学材料用重合性組成物。
(C)下記一般式(5)で表される(ポリ)アルキレングリコール
HO(CH2CHR7O)pH (5)
(上記一般式(5)中、複数存在するR7は同一または異なっていてもよく、水素原子またはメチル基を示す。pは1~20の整数を示す。)
[3] 当該光学材料用重合性組成物中の前記成分(A)、(B)および(C)の重量合計が、当該光学材料用重合性組成物100重量%に対して0.01~7.5重量%である、[2]に記載の光学材料用重合性組成物。
[4] 前記成分(C)が、当該光学材料用重合性組成物100重量%中に0.01~1重量%の範囲で含まれる、[2]または[3]に記載の光学材料用重合性組成物。
[5] 前記重合性化合物が、ポリイソ(チオ)シアネート化合物、ポリ(チオ)エポキシ化合物、ポリオキセタニル化合物、ポリチエタニル化合物、ポリ(メタ)アクリロイル化合物、ポリアルケン化合物、アルキン化合物、ポリ(チ)オール化合物、ポリアミン化合物、酸無水物、またはポリカルボン酸化合物から選択される1種または2種以上の化合物である、[1]~[4]のいずれか1項に記載の光学材料用重合性組成物。
[6] [1]~[5]のいずれか1項に記載の光学材料用重合性組成物を硬化した成形体。
[7] [6]に記載の成形体からなる光学材料。
[8] [7]に記載の光学材料からなるプラスチックレンズ。
[9] [1]~[5]のいずれか1項に記載の光学材料用重合性組成物を注型重合する工程を含む、光学材料の製造方法。
本実施形態の光学材料用重合性組成物(以下、適宜単に「重合性組成物」ともよぶ。)は、成分(A)のエステル化合物または成分(B)のエーテル化合物と、重合性化合物とを含む。また、本実施形態において、重合性組成物は、成分(A)のエステル化合物および成分(B)のエーテル化合物からなる群から選択される1または2以上の化合物と、重合性化合物と、を含む。
以下、各成分について説明する。
なお、各成分はいずれも単独でまたは2種以上を組み合わせて重合性組成物中に含まれることができる。また、本明細書において、「~」は断りがなければ、以上から以下を表し、両端の値を含む。
成分(A)のエステル化合物は、下記一般式(1)で表される化合物である。
-(CH2CHR3O)nH (2)
(上記一般式(2)中、複数存在するR3は同一または異なっていてもよく、水素原子またはメチル基を示す。nは、2~20の整数を示す。)
H-(CH2)x- (6)
(上記一般式(6)中、xは、1~20の整数を示す。)
H3C-(CH2)yCH=CH-(CH2)x- (7)
(上記一般式(7)中、xおよびyは、それぞれ独立して0~17の整数を示し、x+yは、0~17の整数である。)
H3C-(CH2)zCH=CH-(CH2)yCH=CH-(CH2)x- (8)
(上記一般式(8)中、x、yおよびzは、それぞれ独立して0~15の整数を示し、x+y+zは、0~15の整数である。)
また、一般式(1)中のR2において、一般式(2)中のnは、2~20の整数であり、得られる成形体の脈理を抑制する観点から、好ましくは2~18の整数である。
また、重合性組成物は、成分(A)として、R1またはR2が異なる複数の化合物を含んでもよく、さらに具体的には、成分(A)が、R1またはnが異なる複数の化合物を含んでもよい。
成分(B)のエーテル化合物は、下記一般式(3)で表される化合物である。
R4-O-R5 (3)
(上記一般式(3)中、R4は、C1~C20の直鎖アルキル基、C3~C20の分岐のアルキル基、1つ以上の不飽和結合を有するC2~C20の直鎖炭化水素基、または、1つ以上の不飽和結合を有するC3~C20の分岐の炭化水素基を示す。R5は、C1~C20の直鎖のアルキル基、C3~C20の分岐のアルキル基、または、下記一般式(4)で表される(ポリ)オキシアルキレン基を示す。)
-(CH2CHR6O)mH (4)
(上記一般式(4)中、複数存在するR6は同一または異なっていてもよく、水素原子またはメチル基を示す。mは、1~20の整数を示す。)
一般式(3)中、R4のうち、C1~C20の直鎖またはC3~C20の分岐のアルキル基として、具体的には、一般式(1)中のR1として前述した基が挙げられる。また、一般式(3)中、R4のうち、C1~C20の直鎖アルキル基は、具体的には、一般式(1)中のR1において前述した一般式(6)で表される基である。
また、一般式(3)中のR5において、一般式(4)中のmは、1~20の整数であり、得られる成形体の脈理を抑制する観点から、好ましくは1~18の整数である。
成分(B)は、得られる成形体の脈理を抑制する観点から、好ましくは(ポリ)オキシアルキレン基を有する化合物であり、より好ましくはポリオキシアルキレン基を有する化合物である。
また、重合性組成物は、成分(B)として、R4またはR5が異なる複数の化合物を含んでもよく、さらに具体的には、成分(B)が、R4またはmが異なる複数の化合物を含んでもよい。
たとえば、重合性組成物は、一般式(1)で表される構成を有し、R2が一般式(2)で表されるn=1の化合物をさらに含んでもよい。
また、重合性組成物は、一般式(1)で表される構成を有し、R2がC1~C20の直鎖のアルキル基またはC3~C20の分岐のアルキル基である化合物をさらに含んでもよい。
(C)下記一般式(5)で表される(ポリ)アルキレングリコール
HO(CH2CHR7O)pH (5)
(上記一般式(5)中、複数存在するR7は同一または異なっていてもよく、水素原子またはメチル基を示す。pは1~20の整数を示す。)
また、一般式(5)において、pは、1~20の整数であり、得られる成形体の脈理を抑制する観点から、好ましくは2~20の整数である。重合性組成物は、成分(C)として、pの異なる複数の化合物を含んでもよい。
成分(C)は、得られる成形体の脈理を抑制する観点から、好ましくはポリオキシアルキレングリコールであり、より好ましくはポリエチレングリコールまたはポリプロピレングリコールである。
また、成分(C)がポリオール化合物を含むとき、かかるポリオール化合物の重合性組成物中での重合性化合物としての効果を高める観点からは、成分(C)の含有量は、重合性組成物100重量%に対して好ましくは50重量%以下であり、より好ましくは40重量%以下、さらに好ましくは30重量%以下である。
より好ましくは成分(A)、(B)および(C)を含み;
さらに好ましくは、下記一般式(9)~(14)で表される化合物を含む。下記一般式(9)~(11)で表される化合物は成分(A)であり、下記一般式(12)および(13)で表される化合物は成分(B)であり、下記一般式(14)で表される化合物は成分(C)である。
H3C-(CH2)yCH=CH-(CH2)x-O(CH2CH2O)mH (13)
HO(CH2CH2O)pH (14)
重合性組成物のポットライフを延ばす効果、得られる成形体の透明性の向上効果および成形体における脈理の抑制効果のバランスを向上させる観点から、上記一般式(9)中、xは好ましくは9~17であり、より好ましくは11~15である。同様の観点から、nは好ましくは2~18であり、より好ましくは2~16である。
同様の観点から、上記一般式(10)中、x+yは好ましくは9~17であり、より好ましくは11~15である。同様の観点から、nは好ましくは2~18であり、より好ましくは2~17である。
同様の観点から、上記一般式(11)中、x+y+zは好ましくは9~15であり、より好ましくは11~13である。同様の観点から、nは好ましくは2~18であり、より好ましくは2~16である。
同様の観点から、上記一般式(12)中、xは好ましくは12~20であり、より好ましくは14~18である。同様の観点から、mは好ましくは1~19であり、より好ましくは2~18である。
また、同様の観点から、上記一般式(13)中、x+yは好ましくは12~17であり、より好ましくは14~16である。同様の観点から、mは好ましくは1~19であり、より好ましくは1~18である。
また、同様の観点から、上記一般式(14)中、pは好ましくは1~20であり、より好ましくは2~20である。
重合性組成物中の(A)、(B)および(C)の重量合計は、得られる成形体の脈理を抑制する効果を高める観点から、重合性組成物100重量%に対して好ましくは0.01~7.5重量%であり、より好ましくは0.05~5重量%、さらに好ましくは0.1~2重量%、さらにより好ましくは0.1~1重量%であり、よりいっそう好ましくは0.2~0.6重量%である。
また、成分(C)がポリオール化合物を含むとき、かかるポリオール化合物の重合性組成物中での重合性化合物としての効果を高める観点からは、重合性組成物中の(A)、(B)および(C)の重量合計は、重合性組成物100重量%に対して好ましくは57.5重量%以下であり、より好ましくは45重量%以下、さらに好ましくは33重量%以下である。
次に、本実施形態の重合性組成物に含まれる重合性化合物について説明する。
重合性化合物には、必要に応じて添加される開始剤および触媒等の添加剤の存在下またはそれら不存在下においても、自己重合、共重合または付加重合できる重合性官能基を少なくとも1個以上有する重合性化合物が含まれる。ここで、重合性化合物とは、成分(A)および成分(B)以外の化合物をいう。具体的には、重合性組成物中において、成分(A)および成分(B)からなる群から選択される1または2以上の化合物が、分子内に1つ以上の重合性官能基を有する化合物であるとき、重合性組成物は、かかる成分(A)および成分(B)以外の重合性化合物を含む。
また、重合性組成物が前述した成分(C)を含み、成分(C)がポリオール化合物を含むとき、かかるポリオール化合物が重合性化合物として機能してもよい。
イソホロンジイソシアネート、ビス(イソシアナトメチル)シクロヘキサン、ビス(4-イソシアナトシクロヘキシル)メタン、ジシクロヘキシルジメチルメタンイソシアネート、2,5-ビス(イソシアナトメチル)ビシクロ-[2.2.1]-ヘプタン、2,6-ビス(イソシアナトメチル)ビシクロ-[2.2.1]-ヘプタン、3,8-ビス(イソシアナトメチル)トリシクロデカン、3,9-ビス(イソシアナトメチル)トリシクロデカン、4,8-ビス(イソシアナトメチル)トリシクロデカン、4,9-ビス(イソシアナトメチル)トリシクロデカン等の脂環族ポリイソシアネート化合物;
トリレンジイソシアネート、4,4'-ジフェニルメタンジイソシアネート、ジフェニルスルフィド-4,4-ジイソシアネート、フェニレンジイソシアネート等の芳香族ポリイソシアネート化合物;
2,5-ジイソシアナトチオフェン、2,5-ビス(イソシアナトメチル)チオフェン、2,5-ジイソシアナトテトラヒドロチオフェン、2,5-ビス(イソシアナトメチル)テトラヒドロチオフェン、3,4-ビス(イソシアナトメチル)テトラヒドロチオフェン、2,5-ジイソシアナト-1,4-ジチアン、2,5-ビス(イソシアナトメチル)-1,4-ジチアン、4,5-ジイソシアナト-1,3-ジチオラン、4,5-ビス(イソシアナトメチル)-1,3-ジチオラン等の複素環ポリイソシアネート化合物;
ヘキサメチレンジイソチオシアネート、リジンジイソチオシアネートメチルエステル、リジントリイソチオシアネート、m-キシリレンジイソチオシアネート、ビス(イソチオシアナトメチル)スルフィド、ビス(イソチオシアナトエチル)スルフィド、ビス(イソチオシアナトエチル)ジスルフィド等の脂肪族ポリイソチオシアネート化合物;
イソホロンジイソチオシアネート、ビス(イソチオシアナトメチル)シクロヘキサン、ビス(イソチオシアナトシクロヘキシル)メタン、シクロヘキサンジイソチオシアネート、メチルシクロヘキサンジイソチオシアネート、2,5-ビス(イソチオシアナトメチル)ビシクロ-[2.2.1]-ヘプタン、2,6-ビス(イソチオシアナトメチル)ビシクロ-[2.2.1]-ヘプタン、3,8-ビス(イソチオシアナトメチル)トリシクロデカン、3,9-ビス(イソチオシアナトメチル)トリシクロデカン、4,8-ビス(イソチオシアナトメチル)トリシクロデカン、4,9-ビス(イソチオシアナトメチル)トリシクロデカン等の脂環族ポリイソチオシアネート化合物;
トリレンジイソチオシアネート、4,4-ジフェニルメタンジイソチオシアネート、ジフェニルジスルフィド-4,4-ジイソチオシアネート等の芳香族ポリイソチオシアネート化合物;
2,5-ジイソチオシアナトチオフェン、2,5-ビス(イソチオシアナトメチル)チオフェン、2,5-イソチオシアナトテトラヒドロチオフェン、2,5-ビス(イソチオシアナトメチル)テトラヒドロチオフェン、3,4-ビス(イソチオシアナトメチル)テトラヒドロチオフェン、2,5-ジイソチオシアナト-1,4-ジチアン、2,5-ビス(イソチオシアナトメチル)-1,4-ジチアン、4,5-ジイソチオシアナト-1,3-ジチオラン、4,5-ビス(イソチオシアナトメチル)-1,3-ジチオラン等の含硫複素環ポリイソチオシアネート化合物等を挙げることができる。
ビス(2,3-エポキシプロピル)スルフィド、ビス(2,3-エポキシプロピル)ジスルフィド、ビス(2,3-エポキシプロピルチオ)メタン、1,2-ビス(2,3-エポキシプロピルチオ)エタン、1,2-ビス(2,3-エポキシプロピルチオ)プロパン、1,3-ビス(2,3-エポキシプロピルチオ)プロパン、1,3-ビス(2,3-エポキシプロピルチオ)-2-メチルプロパン、1,4-ビス(2,3-エポキシプロピルチオ)ブタン、1,4-ビス(2,3-エポキシプロピルチオ)-2-メチルブタン、1,3-ビス(2,3-エポキシプロピルチオ)ブタン、1,5-ビス(2,3-エポキシプロピルチオ)ペンタン、1,5-ビス(2,3-エポキシプロピルチオ)-2-メチルペンタン、1,5-ビス(2,3-エポキシプロピルチオ)-3-チアペンタン、1,6-ビス(2,3-エポキシプロピルチオ)ヘキサン、1,6-ビス(2,3-エポキシプロピルチオ)-2-メチルヘキサン、3,8-ビス(2,3-エポキシプロピルチオ)-3,6-ジチアオクタン、1,2,3-トリス(2,3-エポキシプロピルチオ)プロパン、2,2-ビス(2,3-エポキシプロピルチオ)-1,3-ビス(2,3-エポキシプロピルチオメチル)プロパン、2,2-ビス(2,3-エポキシプロピルチオメチル)-1-(2,3-エポキシプロピルチオ)ブタン、1,5-ビス(2,3-エポキシプロピルチオ)-2-(2,3-エポキシプロピルチオメチル)-3-チアペンタン、1,5-ビス(2,3-エポキシプロピルチオ)-2,4-ビス(2,3-エポキシプロピルチオメチル)-3-チアペンタン、1-(2,3-エポキシプロピルチオ)-2,2-ビス(2,3-エポキシプロピルチオメチル)-4-チアヘキサン、1,5,6-トリス(2,3-エポキシプロピルチオ)-4-(2,3-エポキシプロピルチオメチル)-3-チアヘキサン、1,8-ビス(2,3-エポキシプロピルチオ)-4-(2,3-エポキシプロピルチオメチル)-3,6-ジチアオクタン、1,8-ビス(2,3-エポキシプロピルチオ)-4,5-ビス(2,3-エポキシプロピルチオメチル)-3,6-ジチアオクタン、1,8-ビス(2,3-エポキシプロピルチオ)-4,4-ビス(2,3-エポキシプロピルチオメチル)-3,6-ジチアオクタン、1,8-ビス(2,3-エポキシプロピルチオ)-2,5-ビス(2,3-エポキシプロピルチオメチル)-3,6-ジチアオクタン、1,8-ビス(2,3-エポキシプロピルチオ)-2,4,5-トリス(2,3-エポキシプロピルチオメチル)-3,6-ジチアオクタン、1,1,1-トリス[[2-(2,3-エポキシプロピルチオ)エチル]チオメチル]-2-(2,3-エポキシプロピルチオ)エタン、1,1,2,2-テトラキス[[2-(2,3-エポキシプロピルチオ)エチル]チオメチル]エタン、1,11-ビス(2,3-エポキシプロピルチオ)-4,8-ビス(2,3-エポキシプロピルチオメチル)-3,6,9-トリチアウンデカン、1,11-ビス(2,3-エポキシプロピルチオ)-4,7-ビス(2,3-エポキシプロピルチオメチル)-3,6,9-トリチアウンデカン、1,11-ビス(2,3-エポキシプロピルチオ)-5,7-ビス(2,3-エポキシプロピルチオメチル)-3,6,9-トリチアウンデカン等の鎖状脂肪族の2,3-エポキシプロピルチオ化合物;
1,3-ビス(2,3-エポキシプロピルチオ)シクロヘキサン、1,4-ビス(2,3-エポキシプロピルチオ)シクロヘキサン、1,3-ビス(2,3-エポキシプロピルチオメチル)シクロヘキサン、1,4-ビス(2,3-エポキシプロピルチオメチル)シクロヘキサン、2,5-ビス(2,3-エポキシプロピルチオメチル)-1,4-ジチアン、2,5-ビス[[2-(2,3-エポキシプロピルチオ)エチル]チオメチル]-1,4-ジチアン、2,5-ビス(2,3-エポキシプロピルチオメチル)-2,5-ジメチル-1,4-ジチアン等の環状脂肪族の2,3-エポキシプロピルチオ化合物;
1,2-ビス(2,3-エポキシプロピルチオ)ベンゼン、1,3-ビス(2,3-エポキシプロピルチオ)ベンゼン、1,4-ビス(2,3-エポキシプロピルチオ)ベンゼン、1,2-ビス(2,3-エポキシプロピルチオメチル)ベンゼン、1,3-ビス(2,3-エポキシプロピルチオメチル)ベンゼン、1,4-ビス(2,3-エポキシプロピルチオメチル)ベンゼン、ビス[4-(2,3-エポキシプロピルチオ)フェニル]メタン、2,2-ビス[4-(2,3-エポキシプロピルチオ)フェニル]プロパン、ビス[4-(2,3-エポキシプロピルチオ)フェニル]スルフィド、ビス[4-(2,3-エポキシプロピルチオ)フェニル]スルホン、4,4'-ビス(2,3-エポキシプロピルチオ)ビフェニル等の芳香族の2,3-エポキシプロピルチオ化合物等を挙げることができる。
グリセロールトリアクリレート、エトキシル化トリメチロールプロパントリアクリレート、ペンタエリスリトールトリアクリレート、プロポキシル化グリセリルトリアクリレート、プロポキシル化トリメチロールプロパントリアクリレート、トリス(2-ヒドロキシエチル)イソシアヌレートトリアクリレート等のトリアクリロイル化合物;
ジトリメチロールプロパンテトラアクリレート、ジペンタエリスリトールペンタアクリレート、エトキシル化ペンタエリスリトールテトラアクリレート、ペンタエリスリトールテトラアクリレート、カプロラクトン修飾ジペンタエリスリトールヘキサアクリレート等のテトラ-、ペンタ-またはヘキサ-アクリロイル化合物、等が挙げられる。
アセチレンジオール、プロピンオール、ブチンオール、ペンチンオール、ヘキシンオール、ヘキシンジオール、ヘプチンオール、ヘプチンジオール、オクチンオール、オクチンジオール等のアルキニルアルコール類、および上記アルキニルアルコール類の一部または全部のOH基がNH2基に置換されたアルキニルアミン類などが挙げられる。
ジヒドロキシナフタレン、トリヒドロキシナフタレン、テトラヒドロキシナフタレン、ジヒドロキシベンゼン、ベンゼントリオール、ビフェニルテトラオール、ピロガロール、(ヒドロキシナフチル)ピロガロール、トリヒドロキシフェナントレン、ビスフェノールA、ビスフェノールF、キシリレングリコール、ジ(2-ヒドロキシエトキシ)ベンゼン、ビスフェノールA-ビス-(2-ヒドロキシエチルエーテル)、テトラブロムビスフェノールA、テトラブロムビスフェノールA-ビス-(2-ヒドロキシエチルエーテル)等の芳香族ポリオール;
ジブロモネオペンチルグリコール等のハロゲン化ポリオール;
エポキシ樹脂等の高分子ポリオールが挙げられる。本実施形態においては、これらから選択される少なくとも1種を組み合わせて用いることができる。
上記ポリオールとエチレンオキサイドやプロピレンオキサイドなどアルキレンオキサイドとの付加反応生成物;
アルキレンポリアミンとエチレンオキサイドや、プロピレンオキサイドなどアルキレンオキサイドとの付加反応生成物;さらには、
ビス-[4-(ヒドロキシエトキシ)フェニル]スルフィド、ビス-[4-(2-ヒドロキシプロポキシ)フェニル]スルフィド、ビス-[4-(2,3-ジヒドロキシプロポキシ)フェニル]スルフィド、ビス-[4-(4-ヒドロキシシクロヘキシロキシ)フェニル]スルフィド、ビス-[2-メチル-4-(ヒドロキシエトキシ)-6-ブチルフェニル]スルフィドおよびこれらの化合物に水酸基当たり平均3分子以下のエチレンオキシドおよび/またはプロピレンオキシドが付加された化合物;
ジ-(2-ヒドロキシエチル)スルフィド、1,2-ビス-(2-ヒドロキシエチルメルカプト)エタン、ビス(2-ヒドロキシエチル)ジスルフィド、1,4-ジチアン-2,5-ジオール、ビス(2,3-ジヒドロキシプロピル)スルフィド、テトラキス(4-ヒドロキシ-2-チアブチル)メタン、ビス(4-ヒドロキシフェニル)スルホン(ビスフェノールS)、テトラブロモビスフェノールS、テトラメチルビスフェノールS、4,4'-チオビス(6-tert-ブチル-3-メチルフェノール)、1,3-ビス(2-ヒドロキシエチルチオエチル)-シクロヘキサンなどの硫黄原子を含有したポリオール等が挙げられる。本実施形態においては、これらから選択される少なくとも1種を組み合わせて用いることができる。
1,2-ジメルカプトベンゼン、1,3-ジメルカプトベンゼン、1,4-ジメルカプトベンゼン、1,2-ビス(メルカプトメチル)ベンゼン、1,3-ビス(メルカプトメチル)ベンゼン、1,4-ビス(メルカプトメチル)ベンゼン、1,2-ビス(メルカプトエチル)ベンゼン、1,3-ビス(メルカプトエチル)ベンゼン、1,4-ビス(メルカプトエチル)ベンゼン、1,3,5-トリメルカプトベンゼン、1,3,5-トリス(メルカプトメチル)ベンゼン、1,3,5-トリス(メルカプトメチレンオキシ)ベンゼン、1,3,5-トリス(メルカプトエチレンオキシ)ベンゼン、2,5-トルエンジチオール、3,4-トルエンジチオール、1,5-ナフタレンジチオール、2,6-ナフタレンジチオール等の芳香族ポリチオール化合物;
2-メチルアミノ-4,6-ジチオール-sym-トリアジン、3,4-チオフェンジチオール、ビスムチオール、4,6-ビス(メルカプトメチルチオ)-1,3-ジチアン、2-(2,2-ビス(メルカプトメチルチオ)エチル)-1,3-ジチエタン等の複素環ポリチオール化合物等が挙げられる。
ジエチルアミン、ジプロピルアミン、ジ-n-ブチルアミン、ジ-sec-ブチルアミン、ジイソブチルアミン、ジ-n-ペンチルアミン、ジ-3-ペンチルアミン、ジヘキシルアミン、ジオクチルアミン、ジ(2-エチルヘキシル)アミン、メチルヘキシルアミン、ジアリルアミン、N-メチルアリルアミン、ピペリジン、ピロリジン、ジフェニルアミン、N-メチルアミン、N-エチルアミン、ジベンジルアミン、N-メチルベンジルアミン、N-エチルベンジルアミン、ジシクロヘキシルアミン、N-メチルアニリン、N-エチルアニリン、ジナフチルアミン、1-メチルピペラジン、モルホリン等の単官能2級アミン化合物;
N,N'-ジメチルエチレンジアミン、N,N'-ジメチル-1,2-ジアミノプロパン、N,N'-ジメチル-1,3-ジアミノプロパン、N,N'-ジメチル-1,2-ジアミノブタン、N,N'-ジメチル-1,3-ジアミノブタン、N,N'-ジメチル-1,4-ジアミノブタン、N,N'-ジメチル-1,5-ジアミノペンタン、N,N'-ジメチル-1,6-ジアミノヘキサン、N,N'-ジメチル-1,7-ジアミノヘプタン、N,N'-ジエチルエチレンジアミン、N,N'-ジエチル-1,2-ジアミノプロパン、N,N'-ジエチル-1,3-ジアミノプロパン、N,N'-ジエチル-1,2-ジアミノブタン、N,N'-ジエチル-1,3-ジアミノブタン、N,N'-ジエチル-1,4-ジアミノブタン、N,N'-ジエチル-1,5-ジアミノペンタン、N,N'-ジエチル-1,6-ジアミノヘキサン、N,N'-ジエチル-1,7-ジアミノヘプタン、ピペラジン、2-メチルピペラジン、2,5-ジメチルピペラジン、2,6-ジメチルピペラジン、ホモピペラジン、1,1-ジ-(4-ピペリジル)メタン、1,2-ジ-(4-ピペリジル)エタン、1,3-ジ-(4-ピペリジル)プロパン、1,4-ジ-(4-ピペリジル)ブタン、テトラメチルグアニジン等の2級ポリアミン化合物;等が挙げられる。
得られる光学レンズにおける脈理の抑制効果を高める観点および光学レンズの光学物性等の品質を向上させる観点から、重合性化合物は、好ましくは、ポリイソ(チオ)シアネート化合物、ポリ(チオ)エポキシ化合物、ポリオキセタニル化合物、ポリチエタニル化合物、ポリ(メタ)アクリロイル化合物、ポリアルケン化合物、アルキン化合物、ポリ(チ)オール化合物、ポリアミン化合物、酸無水物、またはポリカルボン酸化合物から選択される1種または2種以上の化合物である。
より好ましくは成分(A)、(B)および(C)を含み;
さらに好ましくは、前述した一般式(9)~(14)で表される化合物を含み;
重合性化合物が、好ましくはポリイソ(チオ)シアネート化合物、ポリ(チオ)エポキシ化合物、ポリオキセタニル化合物、ポリチエタニル化合物、ポリ(メタ)アクリロイル化合物、ポリアルケン化合物、アルキン化合物、ポリ(チ)オール化合物、ポリアミン化合物、酸無水物、またはポリカルボン酸化合物から選択される1種または2種以上の化合物であり;
より好ましくはポリイソ(チオ)シアネート化合物を含み;
さらに好ましくはポリイソ(チオ)シアネート化合物とポリ(チ)オール化合物とを含み;
よりいっそう好ましくはポリイソ(チオ)シアネート化合物と成分(C)以外のポリ(チ)オール化合物とを含む組合せが挙げられる。
また、重合性組成物が、成分(A)または(B)あるいは適宜(C)と重合性化合物との反応物を含むとき、この反応物は、上記中間体のように重合性組成物中で生じるものであってもよいし、あらかじめ調製されて重合性組成物中に配合されるものであってもよい。後者の場合、たとえば、成分(A)または(B)あるいは適宜(C)と重合性化合物との反応物を調製した後、得られた反応物と、他の重合性化合物とを混合して重合性組成物を得ることもできる。
また、重合性組成物が、成分(A)および成分(B)からなる群から選択される1または2以上の化合物、ならびに適宜(C)との反応物を含むとき、この反応物は、上記中間体のように重合性組成物中で生じるものであってもよいし、あらかじめ調製されて重合性組成物中に配合されるものであってもよい。
本実施形態の組成物には、上記重合性化合物以外の成分が含まれていてもよい。たとえば、単官能のイソ(チオ)シアネート化合物、単官能の(チオ)エポキシ化合物、単官能のオキセタニル化合物、単官能のチエタニル化合物、メタクリロイルオキシ基、アクリロイルオキシ基、メタクリロイルチオ基、アクリロイルチオ基、メタクリルアミド基、またはアクリルアミド基から任意に選ばれた官能基を1個有する単官能の(メタ)アクリロイル化合物、メタクリロイルオキシ基、アクリロイルオキシ基、メタクリロイルチオ基、アクリロイルチオ基、メタクリルアミド基、またはアクリルアミド基以外の重合性炭素炭素2重結合を1個有する単官能のアルケン化合物、溶剤として使用されたアルコール以外の単官能のアルコール化合物、単官能のチオール化合物、アミノ基、第二アミノ基から任意に選ばれた1個の官能基を有する単官能のアミン化合物、カルボキシル基を1個有する単官能のカルボン酸化合物、溶剤、および水分などが挙げられる。ここで、上記重合性化合物以外の成分とは、成分(A)、成分(B)および成分(C)以外の成分のことをいう。たとえば、上記単官能のアルコール化合物とは、成分(A)、成分(B)および成分(C)以外のアルコール化合物である。
重合触媒としては、ルイス酸、アミン、3級アミン化合物およびその無機酸塩または有機酸塩、金属化合物、4級アンモニウム塩、または有機スルホン酸等を挙げることができる。
重合触媒として用いられる金属化合物としては、ジメチル錫ジクロライド、ジブチル錫ジクロライド、ジブチル錫ジラウレート等を挙げることができる。
イソブチリルパーオキサイド、o-クロロベンゾイルパーオキサイド、ベンゾイルパーオキサイド等のジアシルパーオキサイド化合物;
トリス(t-ブチルパーオキシ)トリアジン、t-ヌチルクミルパーオキサイド等のジアルキルパーオキサイド化合物;
1,1-ジ(t-ヘキシルパーオキシ)シクロヘキサン、2,2-ビス(4,4-ジ-t-ブチルパーオキシシクロヘキシル)プロパン、2,2-ジ(t-ブチルパーオキシ)ブタン等のパーオキシケタール化合物;
α-クミルパーオキシネオデカノエート、t-ブチルパーオキシピバレート、2,4,4-トリメチルペンニルパーオキシ-2-エチルヘキサノエート、t-ブチルパーオキシ-2-エチルヘキサノエート、t-ブチルパーオキシ-3,5,5-トリメチルヘキサノエート等のアルキルパーエステル化合物;
ジ-3-メトキシブチルパーオキシジカーボネート、ビス(4-t-ブチルシクロヘキシル)パーオキシジカーボネート、t-ブチルパーオキシイソプロピルカーボネート、ジエチレングリコールビス(t-ブチルパーオキシカーボネート)等のパーオキシカーボネート化合物等が挙げられる。
内部離型剤としては、酸性リン酸エステルを用いることができる。酸性リン酸エステルとしては、リン酸モノエステル、リン酸ジエステルを挙げることができ、それぞれ単独または2種類以上混合して使用することできる。
内部離型剤として用いる酸性リン酸エステルは、一般式(18)で表すことができる。
tが0の場合、R27は、炭素数4~12の直鎖または分岐鎖アルキル基が好ましく、炭素数4~12の直鎖アルキル基がさらに好ましい。
tが1の場合、R27は、炭素数1~20の直鎖または分岐鎖アルキル基が好ましく、炭素数3~12の直鎖または分岐鎖アルキル基がさらに好ましい。
酸性リン酸エステルは、これらから選択される1種または2種以上の混合物として用いることができる。
ブルーイング剤等の色調調整剤として、たとえば、有本化学工業社製のPlast Colorシリーズを用いることができる。
また、本実施形態における重合性組成物では、たとえば調合から時間が経過し増粘した場合であっても、得られる光学レンズの脈理を著しく軽減することも可能となり、製品の歩留まりを大きく改善することも可能となる。さらに、得られる光学レンズは光学物性等の品質にも優れる。
このように、本実施形態によれば、成分(A)または(B)を使用することにより、重合時の安全性や生産性を損なうことなく、なおかつ従来よりも長いポットライフを有する重合性組成物を提供することができ、さらに外観や物性に優れた極めて高品質な製品を安定して製造することが可能となる。また、本実施形態において、重合性組成物が成分(A)および成分(B)からなる群から選択される1または2以上の化合物と重合性化合物とを含むことにより、上記効果が得られる。
また、本実施形態によれば、たとえば、脈理が効果的に抑制されており、屈折率、アッベ数等の光学特性および耐熱性に優れる光学レンズを得ることも可能となる。
本実施形態の組成物を加熱重合(硬化)して得られる硬化樹脂およびその樹脂からなる成形体は重合性化合物および必要に応じて上記の様々な添加剤等が添加されて製造される。また、本実施形態の組成物に、本願に記載されていない重合性化合物および添加剤等を、本実施形態の効果を損なわない範囲で添加されてもよい。
本願においてポリ(チオ)ウレタン樹脂とは、ポリウレタン樹脂、ポリチオウレタン樹脂およびポリジチオウレタン樹脂を意味する。
(b)ポリイソシアネート化合物またはポリイソチオシアネート化合物と、ポリアミン化合物が重合したポリ(チオ)ウレア樹脂
本願においてポリ(チオ)ウレア樹脂とは、ポリウレア樹脂およびポリチオウレア樹脂を意味する。
(c)ポリ(チオ)エポキシ化合物が重合したポリ(チオ)エポキシ樹脂
(d)ポリ(チオ)エポキシ化合物とポリ(チ)オール化合物が重合したポリ(チオ)エポキシ-ポリ(チ)オール樹脂
(e)ポリ(チオ)エポキシ化合物とポリアミン化合物が重合したポリ(チオ)エポキシ-ポリアミン樹脂
(f)ポリ(チオ)エポキシ化合物と酸無水物が重合したポリ(チオ)エポキシ-酸無水物樹脂
(g)ポリ(メタ)アクリロイル化合物が重合したポリ(メタ)アクリロイル樹脂
(h)ポリ(メタ)アクリロイル化合物とポリ(チ)オール化合物が重合したポリ(メタ)アクロイル-ポリ(チ)オール樹脂
(i)ポリ(メタ)アクリロイル化合物とポリアルケン化合物が重合したポリ(メタ)アクリル-ポリアルケン樹脂
(j)ポリ(メタ)アクリロイル化合物とアルキン化合物が重合したポリ(メタ)アクリル-ポリアルキン樹脂
(k)ポリ(メタ)アクリロイル化合物とポリアミン化合物が重合したポリ(メタ)アクリル-ポリアミン樹脂
(l)ポリアルケン化合物が重合したポリアルケン樹脂
(m)ポリアルケン化合物とポリ(チ)オール化合物が重合したポリアルケン-ポリ(チ)オール樹脂
(n)ポリアルケン化合物とポリアミン化合物が重合したポリアルケン-ポリアミン樹脂
(o)アルキン化合物が重合したポリアルキン樹脂
(p)アルキン化合物とポリ(チ)オール化合物が重合したポリアルキン-ポリ(チ)オール樹脂
(q)アルキン化合物とポリアミン化合物が重合したポリアルキン-ポリアミン樹脂
(r)アルキン化合物とポリアルケン化合物が重合したポリアルキン-ポリアルケン樹脂
(s)ポリオキセタニル化合物が重合したポリオキセタニル樹脂
(t)ポリオキセタニル化合物とポリ(チ)オール化合物が重合したポリオキセタニル-ポリ(チ)オール樹脂
(u)ポリオキセタニル化合物とポリアミン化合物が重合したポリオキセタニル-ポリアミン樹脂
(v)ポリオキセタニル化合物と酸無水物が重合したポリオキセタニル-酸無水物樹脂
(w)ポリチエタニル化合物とポリ(チ)オール化合物が重合したポリチエタニル-ポリ(チ)オール樹脂
(x)ポリチエタニル化合物とポリアミン化合物が重合したポリチエタニル-ポリアミン樹脂
(y)ポリチエタニル化合物と酸無水物が重合したポリチエタニル-酸無水物樹脂
(z)(a)~(y)から選ばれた2種以上が共重合した混合樹脂
本実施形態においては、重合時のモールドを変えることにより種々の形状の成形体およびかかる成形体からなる光学材料を得ることができる。本実施形態の成形体は、所望の形状とし、必要に応じて形成されるコート層や他の部材等を備えることにより、様々な光学材料として用いることができる。
また、本実施形態における光学材料の製造方法は、たとえば本実施形態の重合性組成物を注型重合する工程を含む。
以下、本実施形態の成形体からなるプラスチックレンズについて説明する。プラスチックレンズは以下のように製造することができる。
本実施形態のプラスチックレンズは、通常、上述の組成物を用いた注型重合法によって製造される。
たとえば、ポリイソ(チオ)シアネート化合物とポリ(チ)オール化合物からポリ(チオ)ウレタン樹脂を製造する場合、ポリ(チ)オール化合物に対する成分(A)~(C)の溶解度が低い場合があるため、成分(A)または(B)、および適宜(C)をあらかじめポリイソ(チオ)シアネート化合物に完全に溶解させた後、ポリ(チ)オール化合物を混合する方法が好ましい。また、成分(A)および成分(B)からなる群から選択される1または2以上の化合物、ならびに適宜(C)をあらかじめポリイソ(チオ)シアネート化合物に完全に溶解させた後、ポリ(チ)オール化合物を混合する方法が好ましい。
ポリエステル系ポリウレタンエマルジョンコート剤、ポリ塩化ビニルエマルジョンコート剤、レタンアクリルエマルジョンコート剤、シリコンアクリルエマルジョンコート剤、酢酸ビニルアクリルエマルジョンコート剤、アクリルエマルジョンコート剤;
スチレン-ブタジエン共重合体ラテックスコート剤、アクリルニトリル-ブタジエン共重合体ラテックスコート剤、メチルメタクリレート-ブタジエン共重合体ラテックスコート剤、クロロプレンラテックスコート剤、ポリブタジエンラテックスのゴム系ラテックスコート剤、ポリアクリル酸エステルラテックスコート剤、ポリ塩化ビニリデンラテックスコート剤、ポリブタジエンラテックスコート剤、あるいはこれらラテックスコート剤に含まれる樹脂のカルボン酸変性物ラテックスもしくはディスパージョンからなるコート剤が好ましい。
1.以下の成分(A)または(B)と、重合性化合物と、を含む、光学材料用重合性組成物。
(A)下記一般式(1)で表されるエステル化合物
(上記一般式(1)中、R1は、水素原子、C1~C20の直鎖アルキル基、C3~C20の分岐のアルキル基、1つ以上の不飽和結合を有するC2~C20の直鎖炭化水素基、または、1つ以上の不飽和結合を有するC3~C20の分岐の炭化水素基を示す。R2は、下記一般式(2)で表されるポリオキシアルキレン基を示す。)
-(CH2CHR3O)nH (2)
(上記一般式(2)中、複数存在するR3は同一または異なっていてもよく、水素原子またはメチル基を示す。nは、2~20の整数を示す。)
(B)下記一般式(3)で表されるエーテル化合物
R4-O-R5 (3)
(上記一般式(3)中、R4は、C1~C20の直鎖アルキル基、C3~C20の分岐のアルキル基、1つ以上の不飽和結合を有するC2~C20の直鎖炭化水素基、または、1つ以上の不飽和結合を有するC3~C20の分岐の炭化水素基を示す。R5は、C1~C20の直鎖のアルキル基、C3~C20の分岐のアルキル基、または、下記一般式(4)で表される(ポリ)オキシアルキレン基を示す。)
-(CH2CHR6O)mH (4)
(上記一般式(4)中、複数存在するR6は同一または異なっていてもよく、水素原子またはメチル基を示す。mは、1~20の整数を示す。)
2.以下の成分(C)をさらに含む、上記1.に記載の光学材料用重合性組成物。
(C)下記一般式(5)で表される(ポリ)アルキレングリコール
HO(CH2CHR7O)pH (5)
(上記一般式(5)中、複数存在するR7は同一または異なっていてもよく、水素原子またはメチル基を示す。pは1~20の整数を示す。)
3.当該光学材料用重合性組成物中の前記成分(A)、(B)および(C)の重量合計が、当該光学材料用重合性組成物100重量%に対して0.01~7.5重量%である、上記2.に記載の光学材料用重合性組成物。
4.前記成分(C)が、当該光学材料用重合性組成物100重量%中に0.01~1重量%の範囲で含まれる、上記2.または3.に記載の光学材料用重合性組成物。
5.前記重合性化合物が、ポリイソ(チオ)シアネート化合物、ポリ(チオ)エポキシ化合物、ポリオキセタニル化合物、ポリチエタニル化合物、ポリ(メタ)アクリロイル化合物、ポリアルケン化合物、アルキン化合物、ポリ(チ)オール化合物、ポリアミン化合物、酸無水物、またはポリカルボン酸化合物から選択される1種または2種以上の化合物である、上記1.~4.のいずれか1つに記載の光学材料用重合性組成物。
6.上記1.~5.のいずれか1つに記載の光学材料用重合性組成物を硬化した成形体。
7.上記6.に記載の成形体からなる光学材料。
8.上記7.に記載の光学材料からなるプラスチックレンズ。
9.上記1.~5.のいずれか1つに記載の光学材料用重合性組成物を注型重合する工程を含む、光学材料の製造方法。
・屈折率、アッベ数:屈折計KPR-20(カルニュー光学工業社製)を用い、20℃にて測定を行った。
・耐熱性(ガラス転移温度:Tg):TMAペネトレーション法(50g荷重、ピン先0.5mmφ、昇温速度10℃/min)により、島津製作所社製 熱機械分析装置TMA-60にて測定した。
・外観:暗室下で、作製したレンズの濁りを目視で確認し、濁りが確認されたものを×、確認されないものを○とした。
H3C-(CH2)yCH=CH-(CH2)x-O(CH2CH2O)mH (13)
HO(CH2CH2O)pH (14)
式(10)で表される化合物は、x+y=12、n=2~16の化合物、および、x+y=14、n=2~17の化合物である。
式(11)で表される化合物は、x+y+z=12、n=2~15の化合物である。
式(12)で表される化合物は、x=15、m=2~17の化合物、および、x=17、m=2~17の化合物である。
式(13)で表される化合物は、x+y=15、m=1~18の化合物である。
式(14)で表される化合物は、p=2~20の化合物である。
2000mLの3つ口フラスコにビス(4-イソシアナトシクロヘキシル)メタン58.9重量部、2-(3'-t-ブチル-2'-ヒドロキシ-5'-メチルフェニル)-5-クロロベンゾトリアゾール(チヌビン326、BASF社製)0.64重量部、EVERSORB109(EVER LIGHT社製)を1.5重量部、ZelecUN(STEPAN社製)0.1重量部、前述の式(9)~(14)で表される化合物を合計99重量%含む改質剤を0.4重量部、Plast Blue 8514(有本化学工業社製)0.0006重量部、Plast Red 8320(有本化学工業社製)0.0003重量部を入れ、20℃窒素雰囲気化にて完全溶解させた。その後、さらにジブチル錫ジクロライド0.15重量部と、5,7-、4,7-、4,8-ジメルカプトメチル-1,11-ジメルカプト-3,6,9-トリチアウンデカンの混合物であるチオール化合物41.1重量部との混合液を投入し、10℃の浴槽に移したのち20分間撹拌混合してからさらに0.20kPaの減圧下で30分脱ガスを行い、重合性組成物を得た。
直径78mmの6カーブのガラスモールド(上型)と、直径78mmの4カーブのガラスモールド(下型)とから構成され、設定中心厚10mmのレンズ作成用のキャビティーを有するモールド型において、得られた重合性組成物を、このキャビティー内に10g/秒の速度で注入した。残った重合性組成物は、10℃の浴槽で発熱が生じぬように保管した。
重合性組成物が注入されたモールド型を、重合オーブンへ投入し、20℃から140℃まで36時間かけて徐々に昇温して重合した。重合終了後、オーブンからモールド型を取り出し、キャビティー内から成形体を離型し、レンズを得た。
また、重合性組成物を調合してから2時間後に、上記の手順を繰り返しておこない、レンズを得た。
得られた各レンズの脈理の有無を観察したところ、調合直後および2時間後のいずれのレンズにも脈理は確認されなかった。また、調製直後のレンズは、外観が○、屈折率(ne)1.602、アッベ数(νe)39、Tg135℃で良好な物性を示した。評価結果を、表-1に示した。
2000mLの3つ口フラスコにペンタメチレンジイソシアネート24.15重量部、2-(2'-ヒドロキシ-5'-t-オクチルフェニル)-ベンゾトリアゾール(Viosorb583、共同薬品社製)1.50重量部、ZelecUN(STEPAN社製)0.12重量部、前述の式(9)~(14)で表される化合物を合計99重量%含む改質剤を0.3重量部、Plast Blue 8514(有本化学工業社製)0.0006重量部、Plast Red 8320(有本化学工業社製)0.0003重量部を入れ、20℃窒素雰囲気化にて完全溶解させた。その後、これにペンタメチレンジイソシアネートヌレート28.15gを投入し均一化させ、さらにベンジルメチルイミダゾール0.03重量部、5,7-、4,7-、4,8-ジメルカプトメチル-1,11-ジメルカプト-3,6,9-トリチアウンデカンの混合物であるチオール化合物33.05重量部、および、ペンタエリスリトールテトラキス(3-メルカプトプロピオネート)14.65重量部の混合液を投入し、10℃の浴槽に移したのち、20分間撹拌混合してから更に0.20kPaの減圧下で30分脱ガスを行い、重合性組成物を得た。
直径78mmの6カーブのガラスモールド(上型)と、直径78mmの4カーブのガラスモールド(下型)とから構成され、設定中心厚10mmのレンズ作成用のキャビティーを有するモールド型において、得られた重合性組成物を、このキャビティー内に10g/秒の速度で注入した。残った重合性組成物は、10℃の浴槽で発熱が生じぬように保管した。
重合性組成物が注入されたモールド型を、重合オーブンへ投入し、20℃~130℃まで36時間かけて徐々に昇温して重合した。重合終了後、オーブンからモールド型を取り出し、キャビティー内から成形体を離型し、レンズを得た。
また、重合性組成物を調合してから2時間後に、上記の手順を繰り返しておこない、レンズを得た。
得られた各レンズの脈理の有無を観察したところ、調合直後および2時間後のいずれのレンズにも脈理は確認されなかった。また、調製直後のレンズは、外観が○、屈折率(ne)1.602、アッベ数(νe)40、Tg86℃で良好な物性を示した。評価結果を、表-1に示した。
2000mLの3つ口フラスコにイソホロンジイソシアネート46.2重量部、JP-506H(城北化学工業社製)0.35重量部、前述の式(9)~(14)で表される化合物を合計99重量%含む改質剤を0.5重量部、Plast Blue 8514(有本化学工業社製)0.0006重量部、Plast Red 8320(有本化学工業社製)0.0003重量部を入れ、20℃窒素雰囲気化にて完全溶解させた。その後、さらにジメチルチンジクロライド0.075重量部、5,7-、4,7-、4,8-ジメルカプトメチル-1,11-ジメルカプト-3,6,9-トリチアウンデカンの混合物であるチオール化合物30.1重量部、および、ポリプロピレングリコール(トリオール型、平均分子量1500)23.7重量部の混合液を投入し、10℃の浴槽に移したのち20分間撹拌混合してからさらに0.20kPaの減圧下で30分脱ガスを行い、重合性組成物を得た。
直径78mmの6カーブのガラスモールド(上型)と、直径78mmの4カーブのガラスモールド(下型)とから構成され、設定中心厚10mmのレンズ作成用のキャビティーを有するモールド型において、得られた重合性組成物を、このキャビティー内に10g/秒の速度で注入した。残った重合性組成物は、10℃の浴槽で発熱が生じぬように保管した。
重合性組成物が注入されたモールド型を、重合オーブンへ投入し、20℃~120℃まで36時間かけて徐々に昇温して重合した。重合終了後、オーブンからモールド型を取り出し、キャビティー内から成形体を離型し、レンズを得た。
また、重合性組成物を調合してから2時間後に、上記の手順を繰り返しておこない、レンズを得た。
得られた各レンズの脈理の有無を観察したところ、調合直後および2時間後のいずれのレンズにも脈理は確認されなかった。また、調製直後のレンズは、外観が○、屈折率(ne)1.562、アッベ数(νe)40、Tg94℃で良好な物性を示した。評価結果を、表-1に示した。
前述した改質剤を配合しなかった以外は実施例1の方法に準じてレンズを得た。
得られた各レンズの脈理の有無を観察したところ、調合直後および2時間後のいずれのレンズにも脈理が多く確認された。
前述した改質剤を配合しなかった以外は実施例2の方法に準じてレンズを得た。
得られた各レンズの脈理の有無を観察したところ、調合直後および2時間後のいずれのレンズにも脈理が多く確認された。
前述した改質剤を配合しなかった以外は実施例3の方法に準じてレンズを得た。
得られた各レンズの脈理の有無を観察したところ、調合直後および2時間後のいずれのレンズにも脈理が多く確認された。
イソシアネート化合物a:ビス(4-イソシアナトシクロヘキシル)メタン
イソシアネート化合物b:ペンタメチレンジイソシアネート
イソシアネート化合物c:ペンタメチレンジイソシアネートヌレート
イソシアネート化合物d:イソホロンジイソシアネート
チオール化合物e:5,7-、4,7-および4,8-ジメルカプトメチル-1,11-ジメルカプト-3,6,9-トリチアウンデカンの混合物
チオール化合物f:ペンタエリスリトールテトラキス(3-メルカプトプロピオネート)
ポリオール化合物g(成分(C)):ポリプロピレングリコール(トリオール型、平均分子量1500)
Claims (9)
- 以下の成分(A)および成分(B)からなる群から選択される1または2以上の化合物と、重合性化合物と、を含む、光学材料用重合性組成物。
(A)下記一般式(1)で表されるエステル化合物
(上記一般式(1)中、R1は、水素原子、C1~C20の直鎖アルキル基、C3~C20の分岐のアルキル基、1つ以上の不飽和結合を有するC2~C20の直鎖炭化水素基、または、1つ以上の不飽和結合を有するC3~C20の分岐の炭化水素基を示す。R2は、下記一般式(2)で表されるポリオキシアルキレン基を示す。)
-(CH2CHR3O)nH (2)
(上記一般式(2)中、複数存在するR3は同一または異なっていてもよく、水素原子またはメチル基を示す。nは、2~20の整数を示す。)
(B)下記一般式(3)で表されるエーテル化合物
R4-O-R5 (3)
(上記一般式(3)中、R4は、C1~C20の直鎖アルキル基、C3~C20の分岐のアルキル基、1つ以上の不飽和結合を有するC2~C20の直鎖炭化水素基、または、1つ以上の不飽和結合を有するC3~C20の分岐の炭化水素基を示す。R5は、C1~C20の直鎖のアルキル基、C3~C20の分岐のアルキル基、または、下記一般式(4)で表される(ポリ)オキシアルキレン基を示す。)
-(CH2CHR6O)mH (4)
(上記一般式(4)中、複数存在するR6は同一または異なっていてもよく、水素原子またはメチル基を示す。mは、1~20の整数を示す。) - 以下の成分(C)をさらに含む、請求項1に記載の光学材料用重合性組成物。
(C)下記一般式(5)で表される(ポリ)アルキレングリコール
HO(CH2CHR7O)pH (5)
(上記一般式(5)中、複数存在するR7は同一または異なっていてもよく、水素原子またはメチル基を示す。pは1~20の整数を示す。) - 当該光学材料用重合性組成物中の前記成分(A)、(B)および(C)の重量合計が、当該光学材料用重合性組成物100重量%に対して0.01~7.5重量%である、請求項2に記載の光学材料用重合性組成物。
- 前記成分(C)が、当該光学材料用重合性組成物100重量%中に0.01~1重量%の範囲で含まれる、請求項2または3に記載の光学材料用重合性組成物。
- 前記重合性化合物が、ポリイソ(チオ)シアネート化合物、ポリ(チオ)エポキシ化合物、ポリオキセタニル化合物、ポリチエタニル化合物、ポリ(メタ)アクリロイル化合物、ポリアルケン化合物、アルキン化合物、ポリ(チ)オール化合物、ポリアミン化合物、酸無水物、またはポリカルボン酸化合物から選択される1種または2種以上の化合物である、請求項1~4のいずれか1項に記載の光学材料用重合性組成物。
- 請求項1~5のいずれか1項に記載の光学材料用重合性組成物を硬化した成形体。
- 請求項6に記載の成形体からなる光学材料。
- 請求項7に記載の光学材料からなるプラスチックレンズ。
- 請求項1~5のいずれか1項に記載の光学材料用重合性組成物を注型重合する工程を含む、光学材料の製造方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018509331A JP6533337B2 (ja) | 2016-03-30 | 2017-03-29 | 光学材料用重合性組成物、当該組成物から得られる光学材料およびプラスチックレンズ |
| CN201780018297.6A CN108884209B (zh) | 2016-03-30 | 2017-03-29 | 光学材料用聚合性组合物、由该组合物得到的光学材料及塑料透镜 |
| KR1020187026823A KR102097883B1 (ko) | 2016-03-30 | 2017-03-29 | 광학 재료용 중합성 조성물, 당해 조성물로부터 얻어지는 광학 재료 및 플라스틱 렌즈 |
| US16/086,917 US11414515B2 (en) | 2016-03-30 | 2017-03-29 | Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition |
| EP17775214.4A EP3438147B1 (en) | 2016-03-30 | 2017-03-29 | Polymerizable composition for optical material, optical material obtained from composition, and plastic lens |
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| JP2016067673 | 2016-03-30 | ||
| JP2016-067673 | 2016-03-30 |
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| WO2017170680A1 true WO2017170680A1 (ja) | 2017-10-05 |
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| US (1) | US11414515B2 (ja) |
| EP (1) | EP3438147B1 (ja) |
| JP (1) | JP6533337B2 (ja) |
| KR (1) | KR102097883B1 (ja) |
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| WO (1) | WO2017170680A1 (ja) |
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| JP2023527924A (ja) * | 2020-06-04 | 2023-06-30 | エシロール アンテルナショナル | 1.54~1.58の屈折率を有する光学材料用重合性及びポリマー組成物、眼鏡レンズ、並びにその製造方法 |
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| KR102736123B1 (ko) * | 2019-03-29 | 2024-12-02 | 미쯔이가가꾸가부시끼가이샤 | 광학 재료의 제조 방법, 광학 재료용 중합성 조성물 |
| CN110551274B (zh) * | 2019-08-06 | 2020-06-16 | 中山大学 | 一种本征型自修复和可回收的聚硫脲聚合物及其制备方法和应用 |
| US20240052086A1 (en) * | 2021-02-03 | 2024-02-15 | Mitsui Chemicals, Inc. | Method of producing optical material, polymerizable composition for optical material, and optical material |
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Also Published As
| Publication number | Publication date |
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| JPWO2017170680A1 (ja) | 2018-08-09 |
| EP3438147A4 (en) | 2019-11-27 |
| EP3438147A1 (en) | 2019-02-06 |
| US20190100614A1 (en) | 2019-04-04 |
| EP3438147B1 (en) | 2023-06-21 |
| JP6533337B2 (ja) | 2019-06-19 |
| US11414515B2 (en) | 2022-08-16 |
| KR20180107286A (ko) | 2018-10-01 |
| CN108884209A (zh) | 2018-11-23 |
| KR102097883B1 (ko) | 2020-04-06 |
| CN108884209B (zh) | 2021-05-25 |
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