WO2020175577A1 - 光学レンズ - Google Patents
光学レンズ Download PDFInfo
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- WO2020175577A1 WO2020175577A1 PCT/JP2020/007855 JP2020007855W WO2020175577A1 WO 2020175577 A1 WO2020175577 A1 WO 2020175577A1 JP 2020007855 W JP2020007855 W JP 2020007855W WO 2020175577 A1 WO2020175577 A1 WO 2020175577A1
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- WO
- WIPO (PCT)
- Prior art keywords
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- thermoplastic resin
- bis
- optical lens
- fluorene
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 53
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 87
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 claims description 84
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 36
- 125000003118 aryl group Chemical group 0.000 claims description 35
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 24
- ZDZHCHYQNPQSGG-UHFFFAOYSA-N 1-naphthalen-1-ylnaphthalene Chemical compound C1=CC=C2C(C=3C4=CC=CC=C4C=CC=3)=CC=CC2=C1 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 claims description 19
- RJGDLRCDCYRQOQ-UHFFFAOYSA-N anthrone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3CC2=C1 RJGDLRCDCYRQOQ-UHFFFAOYSA-N 0.000 claims description 19
- 229910052763 palladium Inorganic materials 0.000 claims description 18
- 229920000728 polyester Polymers 0.000 claims description 18
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 16
- 229920000515 polycarbonate Polymers 0.000 claims description 8
- 239000004417 polycarbonate Substances 0.000 claims description 8
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- 238000003384 imaging method Methods 0.000 abstract description 6
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- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
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- PPTXVXKCQZKFBN-UHFFFAOYSA-N (S)-(-)-1,1'-Bi-2-naphthol Chemical compound C1=CC=C2C(C3=C4C=CC=CC4=CC=C3O)=C(O)C=CC2=C1 PPTXVXKCQZKFBN-UHFFFAOYSA-N 0.000 description 3
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- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/64—Polyesters containing both carboxylic ester groups and carbonate groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
- C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
- C08L69/005—Polyester-carbonates
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
Definitions
- the present invention relates to a novel optical lens containing a thermoplastic resin having a high refractive index and a low Abbe number.
- Image pickup modules are used in devices such as cameras, video cameras, mobile phones with cameras, videophones, and door phones with cameras.
- the optical system used in this image pickup module is particularly required to be downsized.
- chromatic aberration of the optical system becomes a big problem. Therefore, by combining an optical lens with a high refractive index and a low Abbe number for high dispersion, and an optical lens with a low refractive index and a high Abbe number for low dispersion, chromatic aberration correction is achieved. It is known to be able to.
- a resin having a fluorene skeleton or a binaphthalene skeleton is known as a resin having a high refractive index and a low Abbe number used as an optical lens for high dispersion applications.
- Patent Documents 1 and 2 describe a high-refractive-index resin having a refractive index of 1.64 using 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene.
- Patent Document 3 describes a thermoplastic resin containing 9,9-bis(4-(2-hydroxyethoxy)_3-phenylphenyl)fluorene.
- Patent Document 1 International Publication No. 2 0 0 7/1 4 2 1 4 9 Publication
- Patent Document 2 Japanese Patent Laid-Open No. 7-198091
- Patent Document 3 Japanese Patent Laid-Open No. 20 15-8 6 2 6 5
- the imaging lens is designed by combining lenses having different optical characteristics as described above. Therefore, what refractive index and Abbe number one lens should have cannot be unconditionally defined because it depends on the refractive index and Abbe number of other lenses.
- the present invention provides an optical lens that allows a designer of an imaging lens to adopt various types of lenses and has a wide range of options.
- thermoplastic resin dissolved in methyl chloride at a concentration of 13% by mass (a solution in which 1.09 was dissolved in 501 I methylene chloride) was measured.
- thermoplastic resin has a refractive index ( n D) and an Abbe's number (r) satisfying the following mathematical formula ( N ):
- the thermoplastic resin includes a three-dimensional structural component unit
- the steric structure component unit is composed of a monocyclic aromatic group and a condensed polycyclic aromatic group. ⁇ 2020/175577 3 ⁇ (: 170? 2020 /007855
- the three-dimensional structure system unit has three or more monocyclic aromatic groups in a conjugated structure, or one or more monocyclic aromatic groups and one or more condensed polycyclic aromatic groups are conjugated. 3.
- the optical lens according to aspect 1 or 2 which has a structure or has a conjugated structure of two or more fused polycyclic aromatic groups.
- the three-dimensional structure component unit has a fluorene-based component unit containing an aromatic substituent in the side chain or anthrone-based component unit and / or a pinaphthalene-based component unit containing an aromatic substituent, Aspects 1 to 3
- the optical lens according to any one of 1.
- thermoplastic resin has a specific viscosity of 0.12 to 0.40.
- thermoplastic resin 130 to 170 ° .
- thermoplastic resin is a polyester, a polyester carbonate or port polycarbonate, optical lens according to any one _ term aspects 1-6.
- Fig. 1 shows the relationship between the refractive index and the Abbe number of the thermoplastic resin used in the lens of the present invention and the conventional resin.
- FIG. 3 1 1 to 11 1/[[3 ⁇ 4 of the polycarbonate resin obtained in Example 4. ⁇ 2020/175577 4 ⁇ (: 170? 2020 /007855
- FIG. 4 1 1 to 11 1//[[3 ⁇ 4 of the polycarbonate resin obtained in Example 5.
- the optical lens of the present invention contains a thermoplastic resin, and the thermoplastic resin is a solution prepared by dissolving 13% by mass in methylene chloride.
- Solution of 1.09 dissolved in methylene chloride) ⁇ 1 ⁇ 1 976 (L*a*b*) colorimetric system has a* value of 10.0 or less, and It has a refractive index (n D) and an Abbe number (r) satisfying Equation (8):
- the Abbe number is about 20 when the refractive index is high, and the range of the formula (8) is obtained. It was distributed outside.
- the thermoplastic resin used in the lens of the present invention the high refractive index and the low Abbe number are distributed in a range that does not exist in the prior art, and these are within the range of the formula (8). It is distributed. Further, the thermoplastic resin used in the optical lens of the present invention is also excellent in that the degree of coloring is small.
- thermoplastic resin used in the optical lens of the present invention has a refractive index 0) at a wavelength of 589 n measured at 25 ° of more than 1.660.
- Refractive index (n 0) is...! .670 or higher, !! .680 or higher, ! .690 or higher, !! .700 or higher, or 1.710 or higher,! .770 or less,! .750 or less,
- the refractive index ⁇ ) is...! .660+ ⁇ 2020/175577 5 ⁇ (: 170? 2020 /007855
- the "Abbe number (re)" means the wavelength 486 measured at 25 °
- V (! ⁇ ! ⁇ — 1) / (1 ⁇ — 11 ⁇ )
- the Abbe number (r) of the thermoplastic resin is less than 18.75.
- Abbe's number (re) is 18.0 or less, 17.0 or less, 16.0 or less, or 15.
- the Abbe number (le) is 10.0 or more and less than 18.75, 11.0 or more and 18.0 or less, or 14.0 or more and 17.5 or less. May be.
- thermoplastic resin may have a refractive index (n D) and an Abbe number (V) that satisfy the following mathematical formula (N):
- thermoplastic resin may have a refractive index (n D) and an Abbe number (r) satisfying the following mathematical expression ( ⁇ ):
- ⁇ is 2.035, 2.030, 2.025, 2.020 or 2.015.
- thermoplastic resin may have a refractive index (n D) and an Abbe number (r) satisfying the following mathematical formula (n):
- thermoplastic resin has a low degree of coloring, and particularly has a light yellow color.
- This 13* value was measured with a spectrophotometer for a solution of 1.09 dissolved in 50 1 methylene chloride (13% by mass dissolved in methylene chloride) ⁇ I ⁇ 1 976 (L* a*b*) It is the value of the color system.
- thermoplastic resin for an optical lens When a thermoplastic resin for an optical lens is obtained, a palladium catalyst may be used, but the present inventors have found that the residual amount of the palladium catalyst is related to the coloring of the thermoplastic resin. Found. Then, the present inventors have found that a useful optical lens can be provided by using the above-mentioned thermoplastic resin in which the residual amount of the palladium catalyst is adjusted.
- the glass transition temperature of the thermoplastic resin is 1 20° ⁇ or more, 1 3 or more when measured at a temperature rising rate of 20° ⁇ / ⁇ 1 It may be 0°° or more, 140°° or more, 150°° or more, or 1 60°° or more, 1 90°° or less, 1 80°° or less, 1 70°° or less, or 1 60
- the glass transition temperature is 120 ° ⁇ or more and 1 90 ° ⁇ or less, or 1 30 ° ⁇ or more and 1 70 ° ⁇ or less. It is preferable because it has an excellent balance between heat resistance and moldability.
- the specific viscosity of the thermoplastic resin is 0.10 or more, 0. 12 or more, 0. 15 or more, 0. 18 or more, 0. 20 or more, or 0. 25 or more. Well, ⁇ .
- the specific viscosity may be from 0.12 to 0.40, from 0.15 to 0.35, or from 0.18 to 0.30. When the specific viscosity is in this range, it is preferable because it has a good balance between moldability and mechanical strength.
- the specific viscosity shall be measured at 20° with a solution of the resin 0.79 obtained after the polymerization is dissolved in 100 ml of methylene chloride.
- thermoplastic resin ⁇ ⁇ 2020/175577 7 ⁇ (: 170? 2020/007855
- thermoplastic resin used in the optical lens of the present invention is not particularly limited as long as it has the above-mentioned refractive index (0) and Abbe number (le).
- the thermoplastic resin may include polyester, polyester carbonate, and polycarbonate.
- the thermoplastic resin having such a refractive index and Abbe's number preferably includes: a steric structural unit, wherein the steric structural unit is a monocyclic aromatic group and a condensed polycyclic group. It is preferable to contain four or more aromatic groups selected from the group consisting of formula aromatic groups.
- the steric structure component unit has three or more monocyclic aromatic groups as a conjugated structure, or one or more monocyclic aromatic groups and one or more fused polycyclic groups. It is preferred that the aromatic group has a conjugated structure or that two or more condensed polycyclic aromatic groups have a conjugated structure. In this case, it is preferable that the monocyclic aromatic group and the condensed polycyclic aromatic group form a conjugated bond in a state where they are connected by one single bond. When the conjugated structure spreads in this way, the refractive index tends to become higher. In particular, in this case, the degree of increase in the refractive index in the short wavelength region is high, and the Abbe number is significantly reduced, which is useful as an optical lens for high dispersion applications.
- a conjugated structure is formed is defined as a conjugated structure when 71: electrons of an aromatic group or multiple bond are delocalized.
- the three-dimensional structural component unit may have a fluorene-based component unit containing an aromatic substituent in a side chain or an anthrone-based component unit and/or a binaphthalene-based component unit containing an aromatic substituent.
- fluorene-based component units or anthrone-based component units, and binaphthalene-based component units include fluorene-based or anthrone-based or binaphthalene-based halides (for example, bromides) and transition metal catalysts (for example, platinum group element-based catalysts).
- a palladium-based catalyst is used to react with an organometallic compound (eg, a boronic acid aromatic compound).
- aromatic group means a carbon atom unless otherwise specified. ⁇ 2020/175577 8 ⁇ (: 170? 2020 /007855
- an aromatic group formed only from a hydrogen atom and also includes a compound aromatic group containing a hetero atom.
- the hetero atom may include an oxygen atom, a sulfur atom and a nitrogen atom.
- the “aromatic group” includes a monocyclic aromatic group and a condensed polycyclic aromatic group.
- thermoplastic resin used in the optical lens of the present invention has the above-mentioned three-dimensional structure system unit as 100% or more, 200% or more, 300% or more, ⁇ % or more, ⁇ % or more, ⁇ % or above, or 7 ⁇ below ⁇ %, below ⁇ %, Less than% Less than%
- thermoplastic resin may contain the above-mentioned three-dimensional structural unit as a unit of 100 I% or more and 100 0% or less, or 20 ⁇ ⁇ % or more 10 ⁇ May be included in less than or equal to %.
- Examples of the fluorene-based component unit or the anthrone-based component unit containing an aromatic substituent in the side chain include a repeating unit represented by the following formula (1).
- the rings are the same or different and each represents an aromatic hydrocarbon ring
- V is each independently a hydrogen atom, a halogen atom, or a carbon atom which may contain an aromatic group 1 to 12
- 1-1 and 1_ 2 each independently represent a divalent linking group
- "and 1 ⁇ an integer of 0 or more are each independently Shows
- n independently represents 0 or 1, and is at least one selected from the group represented by the following formula (2) or (3).
- a conjugated structure is not formed between the benzene ring, which is two monocyclic aromatic groups contained in fluorene or anthrone, and the ring located in the main chain.
- the repeating unit of the formula (1) at least a monocyclic aromatic group of fluorene or anthrone,
- Examples of the aromatic hydrocarbon ring represented by the ring in the above formula (1) include a benzene ring and a condensed polycyclic aromatic hydrocarbon ring having at least a benzene ring skeleton.
- a condensed bi- to tetracyclic hydrocarbon ring such as a bicyclic hydrocarbon ring or a condensed tricyclic hydrocarbon ring is preferable.
- the condensed bicyclic hydrocarbon ring is preferably ⁇ 3 8 _ 20 such as indene ring or naphthalene ring, and more preferably ⁇ 3 6 condensed bicyclic hydrocarbon ring.
- the condensed tricyclic hydrocarbon ring is preferably an anthracene ring, a phenanthrene ring or the like.
- a benzene ring and a naphthalene ring are preferable.
- a 1,4-phenylene group, a 1,4-naphthalenediyl group or a 2,6-naphthalenediyl group is preferable, A 1,4-phenylene group and a 2,6-naphthalenediyl group are more preferable.
- 1 and 3 each independently represent a hydrogen atom, a halogen atom, or a hydrocarbon group which may contain an aromatic group having 1 to 12 carbon atoms, and a hydrogen atom, a methyl group, or a phenyl group is preferable.
- Examples thereof include a cycloalkyl group, an aryl group, a naphthyl group and an aralkyl group.
- alkyl group examples include a methyl group, Echiru group, a propyl group, an isopropyl group, heptyl group, ⁇ 1 _ 6 alkyl groups such as _ butyl group, ( ⁇ - 4 alkyl group, such as ⁇ 1 _ 3 alkyl group preferably, ( ⁇ - 4 alkyl group, more preferably a ⁇ 1 _ 3 alkyl group, more preferably ⁇ 1 _ 3 alkyl group, even more preferably from methyl or Echiru group therein.
- cycloalkyl group cyclopentyl group, (3 5 _ 8 cycloalkyl group such as cyclohexyl group, 0 such as 5 _ 6 cycloalkyl group laid preferred, ⁇ 5 _ 6 cycloalkyl Groups are more preferred.
- aryl group examples include a phenyl group, an alkylphenyl group (a mono- or dimethylphenyl group (tolyl group, 2-methylphenyl group, xylyl group, etc.), and the like, and a phenyl group is more preferable.
- naphthyl group 1-naphthyl group, 2-naphthyl group and the like are preferable.
- aralkyl group (3 60 aryl- 0 1 _ 4 alkyl group such as benzyl group and phenethyl group can be preferably exemplified.
- halogen atom a fluorine atom, a chlorine atom, a bromine atom and the like are preferable.
- a 1-naphthyl group or a 2-naphthyl group is more preferable.
- Eight " 1 and eight The respective binding positions of 2 are preferably 1-position and 8-position, 2-position and 7-position, 3-position and 6-position, or 4-position and 5-position of the fluorene skeleton or anthrone skeleton, and the 2-position ⁇ 2020/175577 12 ⁇ (: 170? 2020 /007855
- the heteroaromatic group is preferably a 5- or 6-membered heteroaromatic group or a condensed heteroaromatic group containing the heteroaromatic group, and examples of the heteroatom include an oxygen atom, a sulfur atom and a nitrogen atom. Yes, especially sulfur atoms.
- Patent Document 3 obtains using 9,9-bis(4-(2-hydroxyethoxy)_3-phenylphenyl)fluorene (hereinafter, also referred to as "Mitsumi") having the following formula. Thermoplastic resins are described.
- resins having a vinyl skeleton or a binaphthalene skeleton are made to have a high refractive index by introducing many aromatic groups in the molecule.
- the refractive index is further improved by introducing an aromatic group into the polymer main chain of a resin composed of a fluorene skeleton.
- the polymer represented by the above formula (1) has a higher refractive index and a lower Abbe number.
- the reason is that the free volume is smaller than that of the known polymer in which an aromatic group is introduced into the polymer main chain, which is thought to improve the refractive index and decrease the Abbe number (packing. Effect). Above all, it is considered that the packing effect is more effective when the aromatic group has a symmetrical positional relationship with the fluorene skeleton.
- the introduction of the aromatic group into the side chain brings about a wide range of conjugated structures containing a fluorene ring, and the polarizability is significantly improved.
- the bandgap is smaller than that of conventional general-purpose materials, the absorption edge in the ultraviolet region is shifted to the visible light region side. Due to the influence, the compound having a long conjugated structure comes to have high refractive index characteristics. Since this high refractive index characteristic affects the shorter wavelength side, the dispersion characteristic of the refractive index becomes higher, and it is presumed that the Abbe number is significantly reduced. This can be considered not only for the fluorene skeleton polymer but also for the anthrone skeleton polymer.
- the present inventors have found that "1 and It was found that among these aromatic groups, the naphthyl group gives a higher refractive index than the phenyl group. It was also found that the effect of improving the refractive index remarkably differs depending on the type of naphthyl group (1-naphthyl group, 2-naphthyl group). Also, a significant difference in birefringence was recognized depending on the type of naphthyl group (1-naphthyl group, 2-naphthyl group).
- the reason is that the conjugated state of the entire side chain including the fluorene part or the anthrone part is different due to the difference in the bonding position of the naphthyl group.
- the conjugated state of the 2-naphthyl group with the fluorene part or the anthrone part is wider than the conjugated state of the 1-naphthyl group with the fluorene part or the anthrone part.
- 1_ 1, 1_ 2 each independently represents a divalent linking group, preferable to be an alkylene group of from 1 to 1 2 carbon atoms, more preferably a ethylene group. 1, by adjusting the length of the linking group 1_ 2, it is possible to adjust the glass transition temperature of the resin.
- the above formula (1) is at least one selected from the group represented by the above formula (2) or (3).
- the above formula (1) is a force-bonate unit
- the above formula (1) is an ester unit.
- the repeating unit represented by the above formula (1) has a lower limit based on all repeating units, ⁇ %, 100 ⁇ ! ⁇ ⁇ % or more, 200 ⁇ ! ⁇ ⁇ % or more, More than ⁇ %, more than 400! ⁇ ⁇ %, more than 50,000! ⁇ ⁇ %, more than 6,000! ⁇ ⁇ %, ⁇ It can be contained by more than ⁇ %.
- the repeating unit represented by the above formula (1) preferably has a high refractive index in the above range.
- the upper limit is 100%! Less than% Less than% Less than% ⁇ I% or less, Less than% It can be contained in less than 0.2%.
- the repeating unit represented by the formula (1) When the repeating unit represented by the formula (1) is in the above range, it has a high refractive index, a low Abbe number, a low birefringence, and a balance between heat resistance and moldability. Easy to obtain resin.
- X represents a divalent linking group, preferably a hydrocarbon group having 1 to 30 carbon atoms and optionally containing an aromatic group, a phenylene group, a naphthalene group. More preferably, it is a diyl group or a group represented by the following formula (4) or formula (5).
- 1 and 12 are each independently a hydrogen atom, a hydrocarbon group having 1 to 12 carbon atoms which may contain an aromatic group, or a halogen atom.
- thermoplastic resin used in the optical lens of the present invention may contain, as a repeating unit, at least one selected from the group consisting of units represented by the following formulas (6) to (8).
- thermoplastic resin contains at least one selected from the group consisting of the units represented by the formulas (6) to (8) as a repeating unit, the repeating unit represented by the formula (1) A unit and/or a repeating unit represented by the following formula (9), and a repeating unit of a group consisting of the units represented by the formulas (6) to (8) ⁇ 2020/175577 17 ⁇ (: 170? 2020/007855
- the ratio of 01 ⁇ I is 95:5 to 5:95, and 90:10 to 10:90, 80:20 to 20:80, or 70:30 to 30:70. Is preferred. At least one repeating unit selected from the group consisting of the repeating unit represented by the formula (1) and/or the repeating unit represented by the following formula (9) and the unit represented by the formulas (6) to (8) When the O ratio with the unit is in the above range, a resin having a high refractive index and a low Abbe number, a low birefringence, and a balance between heat resistance and moldability can be easily obtained. ..
- [3 ⁇ 4 13 to [3 ⁇ 4 18 are each independently a hydrogen atom, a hydrocarbon group having 1 to 12 carbon atoms which may contain an aromatic group, or It is a halogen atom, and may particularly be a hydrogen atom or a phenyl group.
- a single bond or a divalent linking group may be, for example, a divalent hydrocarbon group having 1 to 12 carbon atoms, an oxygen atom, a sulfur atom or the like.
- binaphthalene-based component unit containing an aromatic substituent examples include a repeating unit represented by the following formula (9).
- the repeating unit represented by the above formula (9) has a lower limit of 50!? ⁇ %, 100 nowadays? ⁇ % or more, and 200 nowadays , More than ⁇ %, more than 400! ⁇ ⁇ %, more than 50,000! ⁇ ⁇ %, more than 6,000! ⁇ ⁇ %, ⁇ It can be contained by more than ⁇ %.
- the repeating unit represented by the formula (9) is in the above range, the high refractive index is preferable.
- the upper limit is 100%! Less than% Less than% Less than% ⁇ I% or less, Less than% It can be contained in less than 0.2%.
- the repeating unit represented by the formula (9) When the repeating unit represented by the formula (9) is in the above range, a resin having a high refractive index and a low Abbe number, a low birefringence, and a balance between heat resistance and moldability can be obtained. Is easy to obtain.
- the thermoplastic resin may have other repeating units to the extent that the characteristics of the present invention are not impaired. Other repeating units are less than 300 I% of all repeating units, 2 ⁇ ⁇ % or less, 1 ⁇ ⁇ % or less, or 5 ⁇ ⁇ % or less is preferable.
- the diol component as a raw material of the formula (1) is mainly a diol component represented by the formula (8) and may be used alone or in combination of two or more kinds. ⁇ 02020/175577 19 ⁇ (: 171? 2020 /007855
- phenyl group represented by the following formula (3 1) to (3 8), the following equation (3 1): 9, 9-bis (4- (2- Hydroxyethoxy)phenyl)-1,8-diphenylfluorene, the following formula (82): 9,9-bis(4-(2-hydroxyethoxy)phenyl)-1,2,7-diphenylfluorene (hereinafter, referred to as “Mizu 0 2 )), the following formula (33): 9, 9-bi ⁇ 2020/175577 20 units (: 170?
- 6-diphenylfluorene the following formula (38): 9, 9-bis (4-hydroxyphenyl) _4, 5-diphenylfluorene and their corresponding anthrone compounds are more preferable, and especially the following formula ( 3 2 ): Mimi 0 2, the following formula (36): 9,9-bis(4-hydroxyphenyl)-1,2,7-diphenylfluorene, and their corresponding anthrone compounds are preferable.
- the structure of the above formula (32) and formula (3 6) is fluorenyl down skeleton or two monocyclic aromatic group and two monocyclic to which they are attached anthrone skeleton It is preferable because it has a structure in which the conjugation extends with the aromatic group.
- the two monocyclic aromatic groups of the case or anthrone skeleton have a conjugated structure, and the conjugated structure is bonded to each of the two monocyclic aromatic groups with a single bond. It is preferable because it forms a structure in which the conjugation extends together with the two fused polycyclic aromatic groups.
- the diol component of the formula (3) may be, for example, 9,9-bis(4-(2-hydroxyethoxy) of the following formula (3 25): ) Phenyl) _ 2, 7-di (2-cenyl) fluorene can be mentioned:
- This diol is preferable because the two monocyclic aromatic groups of the fluorene skeleton and the heteroaromatic groups bonded to them by one single bond form a conjugated structure as a whole.
- the ring is a naphthalene ring
- thermoplastic resin may further have repeating units represented by the above formulas (6) to (8), and the diol component as a raw material of the above formulas (6) to (8) is shown below. These may be used alone or in combination of two or more.
- the diol component as the raw material of the above formula (6) is 2,2'-bis(2-hydroxyethoxy)_3,3,-dimethyl-1,1,-binaphthalene, 2,2,
- the diol component as the raw material of the above formula (7) was 9,9-bis(4-(2-hi-hi). ⁇ 2020/175577 30 ⁇ (: 170? 2020 /007855
- Droxyethoxy) phenyl) fluorene 9, 9-bis (4-(2-hydroxyethoxy) _3-methylphenyl) fluorene, 9, 9-bis (4-(2-hydroxyethoxy) 1 3-cyclohexylphenyl) Fluorene, 9,9-bis(4-(2-hydroxyethoxy)-13-phenylphenyl)fluorene, and the corresponding anthrone compounds are exemplified, and 9,9-bis(4-(2-hydroxyethoxy)phenyl) ) Fluorene, 9, 9-bis
- (4-(2-hydroxyethoxy)-13-phenylphenyl)fluorene and its corresponding anthrone compound are particularly preferred. These may be used alone or in combination of two or more.
- the diol component as the raw material of the above formula (8) includes 2,2-bis(4-hydroxyphenyl)propane, 2,2-bis(3-methyl-4-hydroxyphenyl)propane, 1, 1 —Bis (4-hydroxyphenyl) _ 1 —phenylethane, 1,3-bis (2-(4-hydroxyphenyl)-1,2-propyl) benzene, 1,1-bis (4-hydroxyphenyl) 1,3,5-Trimethylcyclohexane, 1, 1-bis(4-hydroxyphenyl)cyclohexane, bis(4-hydroxyphenyl)diphenylmethane, 1,1-bis(4-hydroxyphenyl) Decane, bis(4-hydroxyphenyl) sulphide, bis(4-hydroxy-3-methylphenyl) sulphide, biphenol, 9,9—bis(4-hydroxyphenyl)fluorene, 9, 9—bis(4— Hydroxy _ 3 -methylphenyl) fluorene, 9, 9
- (4-Hydroxyphenyl) sulphide is particularly preferred. These may be used alone or in combination of two or more.
- the diol component which is the raw material of formula (9), is mainly composed of the formula (! ⁇ ) ⁇ 2020/175577 31 ⁇ (: 170? 2020 /007855
- Examples include-diphenyl-1,1,-binaphthalene, 2,2,-bis(2-hydroxyethoxy)-1,1,-diphenyl-1,1,-binaphthalene.
- Also referred to as “”) has a conjugated structure with one fused polycyclic aromatic group (naphthyl group) of the binaphthalene skeleton and one monocyclic aromatic group (phenyl group) bonded to it. preferable.
- 2,2'-bis(2-hydroxyethoxy)-6,6,di(2-naphthyl)-1,1,-binaphthalene represented by the following formula (enclosure 2) is one of the binaphthalene skeletons.
- the fused polycyclic aromatic group (naphthyl group) and one fused polycyclic aromatic group (2-naphthyl group) bonded thereto are preferable because they have a conjugated structure.
- the thermoplastic resin may be copolymerized with other diol components to the extent that the characteristics of the present invention are not impaired.
- Other diol components are less than 300 I%, 20 ⁇ ⁇ % or less, 10 ⁇ ⁇ % or less, or ⁇ It is preferably less than ⁇ %.
- thermoplastic resin examples include ethylene glycol, propanediol, butanediol, pentanediol, hexanediol, heptanediol, octanediol, nonanediol, tricyclo[5.2.1]. .
- the dicarboxylic acid component used in the unit represented by the formula (1) or (9) of the thermoplastic resin is mainly a dicarboxylic acid represented by 1 to 1 0 0 0 — X — 0 0 0 1 to 1 An acid or its ester-forming derivative is preferably used.
- X represents a divalent linking group for giving the unit represented by the formula (1) or the formula (9).
- dicarboxylic acid represented by the formulas 1 to 1 x 100 1 to 1 x 1 to 1 or its ester-forming derivative are diols of the above formulas ( 3 ) and () of the present invention.
- dicarboxylic acid components used in the thermoplastic resin include aliphatic dicarboxylic acids such as malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, methylmalonic acid, and ethylmalonic acid.
- Acid component, monocyclic aromatic dicarboxylic acid component such as phthalic acid, isophthalic acid, terephthalic acid, 2, 6— ⁇ 2020/175577 34 ⁇ (: 170?
- naphthalenedicarboxylic acid 2, 7-naphthalenedicarboxylic acid, 2, 3-naphthalenedicarboxylic acid, 1, 4-naphthalenedicarboxylic acid, 1, 8-naphthalenedicarboxylic acid , Anthracene dicarboxylic acid, phenanthrene dicarboxylic acid, 2, 2'-bis (carboxymethoxy) 1, 1, 1'-binaphthalene, 9,
- thermoplastic resin is produced by, for example, a method of reacting a diol component with a precursor carbonate such as phosgene or carbonic acid ester, a method of reacting a diol component with a dicarboxylic acid or an ester-forming derivative thereof.
- a precursor carbonate such as phosgene or carbonic acid ester
- a method of reacting a diol component with a dicarboxylic acid or an ester-forming derivative thereof The specific examples are shown below.
- the polycarbonate resin, polyester carbonate resin, and polyester resin of the present invention are reaction means known per se for producing ordinary resins, for example, in the case of polycarbonate, a dihydroxy compound and a carbonate such as carbon dioxide. ⁇ 2020/175577 35 ⁇ (: 170? 2020 /007855
- Patent Document 3 can be referred to, except that a monomer such as the above formula (3) or (shallow) is used.
- thermoplastic resin When the thermoplastic resin is polycarbonate, it can be obtained by a conventionally well-known method in which a diol component and a force carbonate precursor are reacted by an interfacial polymerization method or a melt polymerization method. In producing the polycarbonate, a catalyst, a terminal terminating agent, an antioxidant and the like may be used, if necessary.
- thermoplastic resin is polyester
- the diol component and dicarboxylic acid or its ester-forming derivative are subjected to an esterification reaction or an ester exchange reaction, and the resulting reaction product is subjected to a polycondensation reaction to obtain a desired molecular weight.
- the polymer may be a high molecular weight substance.
- this manufacturing method a known method can be used.
- thermoplastic resin is polyester carbonate
- it can be produced by reacting a diol component and a dicarboxylic acid or an ester-forming derivative thereof with a force-bonate precursor such as phosgene or carbonic acid diester.
- a force-bonate precursor such as phosgene or carbonic acid diester.
- the polymerization method a known method similar to the above-mentioned polycarbonate or polyester can be used.
- the residual phenol content of the thermoplastic resin is preferably 1 to 500, more preferably More preferably, it is 1 to 300.
- the phenol content is pressure 1.3 It is preferable to adjust the reaction time at 3 or less. If the reaction is not performed at a vacuum degree of 1.3 kP3 or less, the phenol content will be high. On the other hand, if the reaction time is too long, it will be distilled off too much from the resin.
- the phenol content may be adjusted after obtaining the thermoplastic resin. For example, ⁇ 2020/175577 36 ⁇ (: 170? 2020 /007855
- thermoplastic resin 1 3 3 ⁇ 13 using a method of dissolving the thermoplastic resin in an organic solvent and washing the organic solvent layer with water, or using a commonly used kneading device such as a single-screw or twin-screw extruder and various types of feeders.
- a method of devolatilizing and removing at a pressure of 0.33 and a temperature of 200 to 320° may be used.
- molding fluidity can be improved without impairing heat resistance.
- the thermal stability of the resin when it is heated and melted is improved, and it is possible to prevent mold contamination during resin injection molding.
- phenol has a property of being colored when oxidized, but within such a range, the hue of the thermoplastic resin is not easily deteriorated, and the molding fluidity is also good.
- the residual fluorenone content of the thermoplastic resin is preferably from 1 to 500
- thermoplastic resin More preferably It is more preferably 1 to 100, particularly preferably 1 to 50.
- the content of the residual fluorenone in the thermoplastic resin is appropriate, the coloring of the resin can be prevented.
- Fluorenone is used as a raw material when producing a monomer of a fluorene-based component unit, and remains if all cannot be removed in the production process.
- the present inventors have found that the residual amount of fluorenone is related to the coloring of the thermoplastic resin.
- the thermoplastic resin does not contain palladium.
- the amount of residual palladium in the thermoplastic resin is preferably 10 or less, 5.0 0.01 or less, 3.0 0 1 or less, 1.0 0 1 or less, or 0.5 0 1 Is more preferable, and may be 0.0111 or more, 0.1 or more, 0.201 or more, or 0.50! or more.
- An appropriate amount of residual palladium in the thermoplastic resin can prevent the resin from being colored.
- a palladium catalyst is used as a catalyst for binding an aromatic substituent to a fluorene-based component unit, an anthrone-based component unit, or a binaphthalene-based component unit, and a fluorene containing an aromatic substituent in a side chain.
- thermoplastic resin containing a naphtholene-based component unit and/or a binaphthalene-based component unit containing an aromatic substituent.
- the present inventors have found that the residual amount of the palladium catalyst is related to the coloring of the thermoplastic resin.
- selection of an appropriate palladium catalyst species and/or the monomer containing the palladium catalyst residue and/or the resin can be subjected to deparadium treatment.
- thermoplastic resin composition for forming the optical lens of the present invention contains, in addition to the above-mentioned thermoplastic resins, a release agent, a heat stabilizer, an ultraviolet absorber, a bleeding agent, an antistatic agent, if necessary. Additives such as agents, flame retardants, plasticizers and fillers can be appropriately added and used.
- releasing agent and the heat stabilizer are preferably those described in Pamphlet of International Publication No. 201111/010741.
- stearic acid monoglyceride stearic acid triglyceride, pentaerythritol tetrastearate, and a mixture of stearic acid triglyceride and stearyl stearate are preferably used.
- the amount of the ester in the release agent is preferably 90% by mass or more, more preferably 95% by mass or more, when the amount of the releasing agent is 100% by mass.
- the release agent to be blended with the thermoplastic resin composition is preferably in the range of 0.005 to 2.0 parts by mass with respect to 100 parts by mass of the thermoplastic resin, and 0.01 to A range of 0.6 parts by mass is more preferable, and a range of 0.02 to 0.5 parts by mass is further preferable.
- heat stabilizer examples include phosphorus-based heat stabilizers, sulfur-based heat stabilizers, and hindered phenol-based heat stabilizers.
- the amount is preferably 0.001 to 0.2 parts by mass with respect to 100 parts by mass of the thermoplastic resin.
- pentaerythritol tetrakis (3-laurylthioprobionate) is a particularly preferable sulfur heat stabilizer.
- the content of the sulfur-based heat stabilizer in the thermoplastic resin is preferably 0.0001 to 0.2 parts by mass with respect to 100 parts by mass of the thermoplastic resin.
- octadecyl-3-(3,5-di- ⁇ "1:-butyl-4-hydroxyphenyl) propionate pentaerythritol-tetrakis [3 _ (3 , 5—Di 6 “1: _Putyl 4-hydroxyphenyl)probionate]”.
- the content of the hindered phenol thermal stabilizer in the thermoplastic resin is preferably 0.001 to 0.3 parts by mass with respect to 100 parts by mass of the thermoplastic resin.
- the phosphorus heat stabilizer and the hindered phenol heat stabilizer may be used in combination.
- the ultraviolet absorber is at least 1 selected from the group consisting of benzotriazole ultraviolet absorbers, benzophenone ultraviolet absorbers, triazine ultraviolet absorbers, cyclic iminoester ultraviolet absorbers and cyanoacrylates. Certain UV absorbers are preferred.
- benzotriazole-based ultraviolet absorber more preferably 2 _ (2-hydroxy-5- ⁇ "-octylphenyl) benzotriazole, 2, 2, -methylene bis [4-(1, 1, 3, 3, 3- Tetramethylputyl) 1-6-(2 1 to 1 _ benzotriazol-2-yl) phenol].
- Examples include siloxybenzofenone and 2-hydroxy-4-methoxy-2,-carboxoxybenzophenone.
- Examples of the triazine-based UV absorber include 2-(4,6-diphenyl-1,3,5-triazin-2-yl)-5-[(hexyl)oxy]-phenol, 2-(4,6-bis). (2.4-Dimethylphenyl) One 1,3,5-Tria ⁇ 0 2020/1755 77 39 ⁇ (: 17 2020 /007855
- 2,2'__ phenylene bis(3,1-benzoxazin-4-one) is particularly preferable.
- the blending amount of the ultraviolet absorber is preferably 0.01 to 3.0 parts by mass with respect to 100 parts by mass of the thermoplastic resin, and if the blending amount is within the range, depending on the application, It is possible to impart sufficient weather resistance to a thermoplastic resin molded product.
- Macrorex violet and Macrorex blue from Bayer Other examples include Polycinthrene blue manufactured by Clariant.
- the bluing agent is effective in eliminating the yellow tint of the thermoplastic resin.
- the resin composition tends to become yellowish due to "action and color of the ultraviolet absorbent" because a certain amount of the ultraviolet absorbent is blended.
- the addition of a bluing agent is very effective in giving the lens a natural transparency.
- the blending amount of the bluing agent is preferably 0.05 to 1.5.01, more preferably 0.1 to 1.2.01 with respect to 100 parts by mass of the thermoplastic resin. is there.
- the optical lens of the present invention is manufactured by injection molding, it is preferable to mold under the conditions of a cylinder temperature of 230 to 350° and a mold temperature of 70 to 180°. Furthermore, it is preferable to perform molding under the conditions of a cylinder temperature of 250 to 300 ° and a mold temperature of 80 to 170°. If the cylinder temperature is higher than 3 5 0 ° ⁇ , the thermoplastic resin is decomposed colored, 2 3 0 if ° lower than ⁇ is viscous melt ⁇ 2020/175577 40 units (: 170? 2020 /007855
- the degree is high and molding tends to be difficult. Further, when the mold temperature is higher than 180 ° ⁇ , it tends to be difficult to take out the molded piece made of the thermoplastic resin from the mold. On the other hand, if the mold temperature is less than 70 ° ⁇ , the resin will harden too quickly in the mold at the time of molding, making it difficult to control the shape of the molded piece, and the mold attached to the mold will be insufficient. It is difficult to transfer to.
- the optical lens of the present invention is preferably implemented in the form of an aspherical lens, if necessary.
- an aspherical lens spherical aberration can be reduced to substantially zero with a single lens, so there is no need to remove spherical aberration with a combination of multiple spherical lenses, thus reducing weight and reducing molding costs. It will be possible. Therefore, the aspherical lens is particularly useful as a camera lens among optical lenses.
- the thickness of the central portion is 0.05 to 3. More preferably 0,05 to 2. More preferably, it is 0.01 to 2.0. Also, the diameter is 1. More preferably 1.0-
- the meniscus lens has a convex surface on one side and a concave surface on one side.
- the optical lens of the present invention is used for mold forming, cutting, polishing, laser processing, electric discharge processing.
- die molding is more preferable from the viewpoint of manufacturing cost.
- Abbe number (wavelength: 486 ⁇ ⁇ 1, 589 ⁇ ⁇ 1, 656 ⁇ ⁇ 1 calculated from the following formula) was measured.
- V (1 ⁇ 0— 1) / (1 ⁇ — 11 ⁇ )
- Resin obtained Dissolve the solution in the solution and The color system values were measured using a Hitachi 1)-3310 type spectrophotometer.
- the amount of metal components contained in the resins obtained in the examples was measured by the following device. Equipment used: 8 9 1 1 1 6 ⁇ 6 0 11
- Fig. 2 shows the 1
- !-Catalyst is a powdered solid catalyst in which palladium is supported on silica, and is a palladium compound manufactured by Nchemchem, and is abbreviated as /3.
- This catalyst is specialized for Suzuki coupling reaction, and when bromoaryls are used as substrates, the reaction proceeds in a ligand-free manner compared to the homogeneous palladium catalyst.
- it since it is supported on silica, it is characterized by little elution in the product after the reaction.
- the condensation component of Table 1 33. 89 (0.10 mol), the condensation component of Table 1. 1. Mol of the condensation component is selected according to the target diol and added, and it is produced by reaction under toluene reflux. The mixture was stirred while discharging water out of the system.
- the reaction was terminated after confirming that the peak area of 1 ⁇ 1 was less than 0.1%.
- Toluene 1509 was added to the obtained reaction mixture, and the mixture was washed with water 3009 three times. After washing, the organic layer was treated with activated carbon and then concentrated under reduced pressure to remove the solvent toluene and a large excess of condensed components.
- the obtained mixture was recrystallized with methanol, and the precipitated crystals were collected by filtration and dried to obtain light yellow crystals of the target intermediate (condensation reaction product of Kuchimi ! ⁇ 1 and the condensation component). ..
- Synthetic method Synthetic method using catalyst containing 100 1 of 0 1 0 1
- the reaction was terminated after confirming that the peak area of 1 ⁇ 1 was less than 0.1%.
- the obtained target intermediate was directly transferred to the reaction in the next step 2 without isolation and purification.
- White crystals of the final target product were obtained by the same method as in the process group except that the amount of tetrakistriphenylphosphine palladium was changed to 30. ⁇ When the amount of residual metal was measured by luminescence measurement, ⁇ for all diols was in the range of 8.0 ⁇ 1 ⁇ 0.01.
- Synthetic method Mouth Synthetic method using catalyst containing 100, without de-treatment
- ⁇ When the amount of residual metal was measured by luminescence measurement, ⁇ was in the range of 70.0 to 80 in all age groups.
- Toluene 659 was added to the product to dilute it, 10% by mass aqueous sodium hydroxide solution 89 was added, and the mixture was stirred at 85 ° for 1 hour, and the aqueous layer was separated and removed. The organic layer was concentrated, dissolved in ethyl acetate and washed with water, and then the aqueous layer was separated and removed. Hexane was further added and the product was recrystallized as it was. As a result, the target 2,2'-bis(2-hydroxyethoxy)-1,6'-dibromo-1,1,1'-binaphthalene (hereinafter, abbreviated as BHE There is a white solid.
- BHE 2,2'-bis(2-hydroxyethoxy)-1,6'-dibromo-1,1,1'-binaphthalene
- diols and dicarboxylic acids other than the above used in the following examples were either commercially available products or were produced by known methods.
- the polymerization reaction was carried out under the conditions below until a predetermined torque was reached. After completion of the reaction, the produced resin was pelletized and withdrawn to obtain a pellet of polycarbonate resin. The properties of the obtained polycarbonate resin are shown in Table 2.
- compositions were changed as described in Example 1 to Table 2 to obtain polycarbonate resin pellets and optical lenses of Examples 2 to 9 and Comparative Examples 1 to 4.
- the molar ratio of diol and mouth was 1:1.01.
- the temperature of the jacket was raised to 260° ⁇ at the rate of 60° ⁇ / ", and the transesterification reaction was performed. After that, the pressure was reduced to 0.1 31 ⁇ 3 over 70 minutes, ⁇ Polymerization was carried out until the specified torque was reached under the condition of 31 ⁇ 3 . After completion of the reaction, the produced resin was pelletized and withdrawn to obtain a polyester carbonate resin pellet.
- Example 10 The composition was changed from Example 10 to Table 3 to obtain polyester carbonate resin pellets and optical lenses of Examples 11 and 12 and Comparative Example 8.
- Example 10 The composition was changed as described in Example 10 to Table 3, and the polymerization catalyst was further changed to titan tetrabutoxide 1.70° 10 _ 3 parts by mass, Example 13 and Comparative Example 5, Polyester carbonate resin or polyester resin pellets 6 and 7 and optical lenses were obtained.
- Table 2 shows the results of the evaluation of examples of polycarbonate resins. Also shows a 1 1 ⁇ 1 IV! Results of Examples 4 and 5 in FIGS. 3 and 4, respectively.
- the polymer obtained in Comparative Example 4 was strongly colored due to the palladium catalyst, the transmittance in the short wavelength region was low, and it was difficult to calculate the Abbe number.
- Table 3 shows the results of the evaluation of the examples relating to the polyester carbonate resin or the polyester resin.
- Min 1 ⁇ 1 Minami 6 2,2,bis(2-hydroxyethoxy)-1,6,diphenyl-1,1,binaphthalene
- thermoplastic resins used in the optical lenses of Examples 1 to 13 and Comparative Examples 1 to 8 were plotted, the results are as shown in Fig. 1. Note that Comparative Examples 3 and 8 in which the solution 13* value exceeds 10 are excluded.
- the thermoplastic resins used in the optical lenses of Examples 1 to 13 have a high refractive index and a low Abbe number distributed in a range that does not exist in the prior art, and these are within the range of Equation (8). ⁇ 0 2020/1755 77 52 ⁇ (: 17 2020 /007855
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Abstract
Description
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US17/434,138 US20220146713A1 (en) | 2017-08-30 | 2020-02-26 | Optical lens |
EP20762455.2A EP3933456A4 (en) | 2017-08-30 | 2020-02-26 | OPTICAL LENS |
CN202080017039.8A CN113474685B (zh) | 2017-08-30 | 2020-02-26 | 光学透镜 |
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EP3933456A1 (en) | 2022-01-05 |
CN113474685A (zh) | 2021-10-01 |
KR20210097779A (ko) | 2021-08-09 |
EP3933456A4 (en) | 2022-06-22 |
EP3677614A1 (en) | 2020-07-08 |
KR20190140074A (ko) | 2019-12-18 |
TWI834822B (zh) | 2024-03-11 |
US20220146713A1 (en) | 2022-05-12 |
JP2020012094A (ja) | 2020-01-23 |
JPWO2020175577A1 (ja) | 2021-11-04 |
CN110741030A (zh) | 2020-01-31 |
US20210147621A1 (en) | 2021-05-20 |
WO2019044214A1 (ja) | 2019-03-07 |
JP7227345B2 (ja) | 2023-02-21 |
TWI787317B (zh) | 2022-12-21 |
TW202045582A (zh) | 2020-12-16 |
EP3677614A4 (en) | 2020-07-08 |
TW201920352A (zh) | 2019-06-01 |
KR102362026B1 (ko) | 2022-02-10 |
CN113474685B (zh) | 2024-05-28 |
CN110741030B (zh) | 2022-06-17 |
KR102678426B1 (ko) | 2024-06-25 |
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