WO2022163674A1 - 熱可塑性樹脂及びそれを含む光学レンズ - Google Patents
熱可塑性樹脂及びそれを含む光学レンズ Download PDFInfo
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- WO2022163674A1 WO2022163674A1 PCT/JP2022/002759 JP2022002759W WO2022163674A1 WO 2022163674 A1 WO2022163674 A1 WO 2022163674A1 JP 2022002759 W JP2022002759 W JP 2022002759W WO 2022163674 A1 WO2022163674 A1 WO 2022163674A1
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- thermoplastic resin
- carbon atoms
- diacetal
- optionally substituted
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- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 description 1
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 229940026235 propylene glycol monolaurate Drugs 0.000 description 1
- 229940093625 propylene glycol monostearate Drugs 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- GHBFNMLVSPCDGN-UHFFFAOYSA-N rac-1-monooctanoylglycerol Chemical compound CCCCCCCC(=O)OCC(O)CO GHBFNMLVSPCDGN-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 229940100515 sorbitan Drugs 0.000 description 1
- 229950006451 sorbitan laurate Drugs 0.000 description 1
- 235000011067 sorbitan monolaureate Nutrition 0.000 description 1
- 229950004959 sorbitan oleate Drugs 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 235000011078 sorbitan tristearate Nutrition 0.000 description 1
- 239000001589 sorbitan tristearate Substances 0.000 description 1
- 229960004129 sorbitan tristearate Drugs 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- QEDNBHNWMHJNAB-UHFFFAOYSA-N tris(8-methylnonyl) phosphite Chemical compound CC(C)CCCCCCCOP(OCCCCCCCC(C)C)OCCCCCCCC(C)C QEDNBHNWMHJNAB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- 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
- C08G64/307—General preparatory processes using carbonates and phenols
-
- 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
-
- 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
- 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
- C08G64/16—Aliphatic-aromatic or araliphatic polycarbonates
- C08G64/1608—Aliphatic-aromatic or araliphatic polycarbonates saturated
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/156—Heterocyclic compounds having oxygen in the ring having two oxygen atoms in the ring
- C08K5/1575—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- 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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
Definitions
- the present invention relates to a thermoplastic resin and an optical lens containing the same. More particularly, the present invention relates to polycarbonate resins or polyester carbonate resins and optical lenses containing the same.
- Optical glass or optical resin is used as the material for the optical lenses used in the optical systems of various cameras such as cameras, film-integrated cameras, and video cameras.
- Optical glass is excellent in heat resistance, transparency, dimensional stability, chemical resistance, etc., but has problems of high material cost, poor moldability, and low productivity.
- optical lenses made of optical resins have the advantage that they can be mass-produced by injection molding, and polycarbonate, polyester carbonate, polyester resin, etc. are used as high refractive index materials for camera lenses.
- Patent Documents 1 to 5 When optical resins are used as optical lenses, heat resistance, transparency, low water absorption, chemical resistance, low birefringence, resistance to moist heat, etc. are required in addition to optical properties such as refractive index and Abbe number. Especially in recent years, there has been a demand for optical lenses having a high refractive index and high heat resistance, and various resins have been developed (Patent Documents 1 to 5).
- thermoplastic resins made from diol compounds having a cyclic acetal structure have excellent optical properties and impact resistance, and are useful as various optical resins.
- diol compounds having a cyclic acetal structure eg, spiroglycol
- An object of the present invention is to provide a thermoplastic resin excellent in optical properties such as refractive index and Abbe's number, as well as excellent in heat resistance, and an optical lens using the same.
- the present inventors found that the refractive index
- the inventors have found that it is possible to obtain a thermoplastic resin which is excellent in optical properties such as , and Abbe's number, and which is also excellent in heat resistance, and have completed the present invention.
- thermoplastic resin containing a structural unit (A) derived from a monomer represented by the following general formula (1) R 1 is the same or different and each represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, or a linear or branched alkyl group having 1 to 4 carbon atoms.
- Ring A is a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, and a linear or branched alkyl group having 1 to 6 carbon atoms.
- thermoplastic resin according to ⁇ 1> above which is a polycarbonate resin or a polyester carbonate resin.
- R 1 in the general formula (1) is the same or different and is respectively a methyl group, an ethyl group, an n-propyl group, an iso-propyl group, an n-butyl group, an iso-butyl group and a sec-butyl group;
- the ring A is a linear or branched alkoxy group having 1 to 6 carbon atoms and a linear or branched alkyl group having 1 to 6 carbon atoms
- R 1 is a methyl group or an ethyl group, and ring A is substituted with 1 to 4 groups selected from the group consisting of a methyl group and an ethyl group;
- R 2 is the same or different and each is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, or a Represents 1 to 6 linear or branched alkyl groups.
- R 1 is the same as above.
- R 2 is the same or different and each is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, or a Represents 1 to 6 linear or branched alkyl groups.
- R 1 is the same as above.
- ⁇ 9> The thermoplastic resin according to ⁇ 1> or ⁇ 2> above, wherein the monomer represented by the general formula (1) is a monomer represented by the following general formula (1c).
- R 2 is the same or different and each is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, or a Represents 1 to 6 linear or branched alkyl groups.
- R 1 is the same as above.
- the thermoplastic resin contains a monomer-derived structural unit (B) represented by the following formula (2) and/or a monomer-derived structural unit (C) represented by the following formula (3).
- the thermoplastic resin according to any one of ⁇ 1> to ⁇ 9>.
- R a and R b each independently represents a hydrogen atom, a halogen atom, an optionally substituted alkyl group having 1 to 20 carbon atoms, or an alkoxyl group having 1 to 20 carbon atoms which may have a substituent.
- a and B each independently represents an optionally substituted alkylene group having 1 to 5 carbon atoms, m and n each independently represent an integer of 0 to 6, a and b each independently
- Mw polystyrene equivalent weight average molecular weight
- R 1 is the same or different and each represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, or a linear or branched alkyl group having 1 to 4 carbon atoms.
- Ring A is a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, and a linear or branched alkyl group having 1 to 6 carbon atoms. represents a benzene ring optionally substituted with 1 to 4 groups selected from the group consisting of; ] ⁇ 19> An optical member comprising the thermoplastic resin according to any one of ⁇ 1> to ⁇ 17> above or the thermoplastic resin composition according to ⁇ 20> above. ⁇ 20> An optical lens comprising the thermoplastic resin according to any one of ⁇ 1> to ⁇ 17> or the thermoplastic resin composition according to ⁇ 18>. ⁇ 21> An optical film comprising the thermoplastic resin according to any one of ⁇ 1> to ⁇ 17> above or the thermoplastic resin composition according to ⁇ 18> above.
- thermoplastic resin excellent in optical properties such as refractive index and Abbe's number, as well as excellent in heat resistance, and an optical lens containing the same.
- thermoplastic resin containing a monomer-derived structural unit (A) represented by the following general formula (1).
- each R 1 is the same or different and represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, or a linear or branched alkyl group having 1 to 4 carbon atoms.
- Ring A is a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, and a linear or branched alkyl group having 1 to 6 carbon atoms.
- R 1 is the same or different and each represents a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, or a linear or branched alkyl group having 1 to 4 carbon atoms. , but straight-chain or branched-chain alkyl groups having 1 to 4 carbon atoms are preferred.
- the linear or branched alkyl group having 1 to 4 carbon atoms represented by R 1 is not particularly limited, and examples thereof include methyl group, ethyl group, n-propyl group, iso-propyl group, n- Alkyl groups such as a butyl group, an iso-butyl group, a sec-butyl group, and a tert-butyl group can be mentioned. Among them, methyl group, ethyl group, iso-butyl group and tert-butyl group are preferred, methyl group and ethyl group are more preferred, and methyl group is particularly preferred.
- Ring A means that two acetal groups are bonded to each other at the ortho-position, meta-position or para-position on the benzene ring.
- Ring A includes the following structures. [In the formula, ring A is the same as described above. ]
- ring A is selected from the group consisting of a linear or branched alkoxy group having 1 to 6 carbon atoms and a linear or branched alkyl group having 1 to 6 carbon atoms.
- a benzene ring optionally substituted with 1 to 4 groups is preferred.
- linear or branched alkoxy group having 1 to 6 carbon atoms is not particularly limited, and examples thereof include methoxy group, ethoxy group, n-propyloxy group, isopropyloxy group, n- butyloxy group, isobutyloxy group, sec-butyloxy group, tert-butyloxy group and the like. Among these, methoxy group, ethoxy group, isopropyloxy group, isobutyloxy group and tert-butyloxy group are preferred.
- linear or branched alkyl group having 1 to 6 carbon atoms is not particularly limited, and examples thereof include methyl group, ethyl group, n-propyl group, isopropyl group and n-butyl group. , isobutyl group, sec-butyl group, tert-butyl group and the like. Among these, preferred are methyl group, ethyl group, isopropyl group, isobutyl group and tert-butyl group.
- Ring A is particularly preferably an unsubstituted benzene ring, that is, a divalent phenylene group having the following structure.
- the compound represented by general formula (1) is considered to exist in multiple stereoisomers based on the configuration of the carbon atom to which the hydroxymethyl group in the two acetal groups and R 1 are bonded. These isomers may be used singly or as a mixture.
- R 2 is the same or different and each is a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, a phenyl group, a linear or branched alkoxy group having 1 to 6 carbon atoms, or a Represents 1 to 6 linear or branched alkyl groups.
- R 1 is the same as above.
- R 1 is preferably a linear or branched alkyl group having 1 to 4 carbon atoms, such as methyl group, ethyl group, n-propyl group, isopropyl group, n- Examples include butyl, isobutyl, sec-butyl and tert-butyl groups. Among these, preferred are methyl group, ethyl group, isobutyl group and tert-butyl group.
- R 2 is preferably a hydrogen atom, a linear or branched alkoxy group having 1 to 6 carbon atoms, or a linear or branched alkyl group having 1 to 6 carbon atoms. be.
- a hydrogen atom is particularly preferred as R 2 .
- the “linear or branched alkoxy group having 1 to 4 carbon atoms” represented by R 2 is not particularly limited, and examples thereof include methoxy group, ethoxy group, n-propyloxy group, isopropyloxy group, n -butyloxy group, isobutyloxy group, sec-butyloxy group, tert-butyloxy group and the like. Among these, methoxy group, ethoxy group, isopropyloxy group, isobutyloxy group and tert-butyloxy group are preferred.
- the “linear or branched alkyl group having 1 to 6 carbon atoms” represented by R 2 is not particularly limited, and examples thereof include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group and the like. Among these, preferred are methyl group, ethyl group, isopropyl group, isobutyl group and tert-butyl group.
- the compound represented by the general formula (1a) may have isomers such as the following isomer A, isomer B, or isomer C. These isomers may be used singly or as a mixture. [In the formula, R 1 and R 2 are the same as above. ]
- the isomer ratio is determined by gas chromatography (GC) analysis using the method described in the Examples, and the area percentage method. can be obtained by Each isomer usually has its own unique peak by GC analysis. The isomer content can be expressed as a percentage of the peak area of each isomer with respect to the total peak area of the cyclic diol compound. The percentage ratio of each isomer can be defined as the isomer ratio.
- GC analysis can also be performed after trimethylsilylating the hydroxyl group of the cyclic diol compound of the present invention using N,O-bis(trimethylsilyl)trifluoroacetamide or the like.
- the compound represented by general formula (1a) is considered to have isomers such as isomer (1a-A), isomer (1a-B), or isomer (1a-C) as described above. Two or three isomeric peaks were detected in the GC analysis, which are believed to be isomer (1a-A), isomer (1a-B), or isomer (1a-C).
- the compound represented by formula (1a) include isophthalaldehyde trimethylolpropane diacetal, isophthalaldehyde trimethylol ethane diacetal, 5-methylisophthalaldehyde trimethylol ethane diacetal, 4-methyl isophthalaldehyde trimethylolethane diacetal, 4-chloroisophthalaldehyde trimethylolethane diacetal, 5-chloroisophthalaldehyde trimethylolethane diacetal, 5-bromoisophthalaldehyde trimethylolethane diacetal, 4-bromoisophthalaldehyde trimethylolethane diacetal Acetal, 2-bromoisophthalaldehyde trimethylolethane diacetal, 4,6-dimethylisophthalaldehyde trimethylolethane diacetal, 2,4-dimethylisophthalaldehyde trimethylolethane diacetal, 2,5-dich
- Preferred compounds among them are isophthalaldehyde trimethylolpropane diacetal, isophthalaldehyde trimethylolethane diacetal, 5-methylisophthalaldehyde trimethylol ethane diacetal, 5-methylisophthalaldehyde trimethylolpropane diacetal, 4-methylisophthalaldehyde trimethylolpropane diacetal, Methylolpropane diacetal, 4-methylisophthalaldehyde trimethylolethane diacetal, etc., and particularly preferred compounds include isophthalaldehyde trimethylolpropane diacetal, isophthalaldehyde trimethylolethane diacetal, and the like.
- Preferred R 1 in general formula (1b) is the same as preferred R 1 in general formula (1a).
- Preferred R 2 in general formula (1b) is the same as preferred R 2 in general formula (1a).
- the compound represented by the general formula (1b) may have isomers such as the following isomer (1b-A), isomer (1b-B), or isomer (1b-C). . These isomers may be used singly or as a mixture. [In the formula, R 1 and R 2 are the same as above. ]
- the isomer ratio is determined by gas chromatography (GC) analysis using the method described in the Examples, and the area percentage method. can be obtained by Each isomer usually has its own unique peak by GC analysis. The isomer content can be expressed as a percentage of the peak area of each isomer with respect to the total peak area of the cyclic diol compound. The percentage ratio of each isomer can be defined as the isomer ratio.
- GC analysis can also be performed after trimethylsilylating the hydroxyl group of the cyclic diol compound of the present invention using N,O-bis(trimethylsilyl)trifluoroacetamide or the like.
- the compound represented by general formula (1b) is considered to have isomers such as isomer (1b-A), isomer (1b-B), or isomer (1b-C) as described above. Two or three isomeric peaks were detected in the GC analysis, and these are considered isomer (1b-A), isomer (1b-B), or isomer (1b-C).
- Specific examples of the compound represented by the general formula (1b) include terephthalaldehyde trimethylolpropane diacetal, terephthalaldehyde trimethylolethane diacetal, 2-methylterephthalaldehyde trimethylolethane diacetal, 3-methyl Terephthalaldehyde trimethylolethane diacetal, 3-chloroterephthalaldehyde trimethylolethane diacetal, 2-chloroterephthalaldehyde trimethylolethane diacetal, 2-bromoterephthalaldehyde trimethylolethane diacetal, 3-bromoterephthalaldehyde trimethylolethane diacetal Acetal, 3,6-dimethylterephthalaldehyde trimethylolethane diacetal, 2,3-dimethylterephthalaldehyde trimethylolethane diacetal, 2,5-dichloroterephthalaldehyde trimethylolethane diacetal,
- Preferred compounds among them are terephthalaldehyde trimethylolpropane diacetal, terephthalaldehyde trimethylolethane diacetal, 2-methylterephthalaldehyde trimethylolethane diacetal, 2-methylterephthalaldehyde trimethylolpropane diacetal, 3-methylterephthalaldehyde trimethylolpropane diacetal, Methylolpropane diacetal, 3-methylterephthalaldehyde trimethylolethane diacetal, etc.
- particularly preferred compounds include terephthalaldehyde trimethylolpropane diacetal, terephthalaldehyde trimethylolethane diacetal, and the like.
- Preferred R 1 in general formula (1c) is the same as preferred R 1 in general formula (1a).
- Preferred R 2 in general formula (1c) is the same as preferred R 2 in general formula (1a).
- the compound represented by the general formula (1c) may have isomers such as the following isomer (1c-A), isomer (1c-B), or isomer (1c-C). . These isomers may be used singly or as a mixture. [In the formula, R 1 and R 2 are the same as above. ]
- the isomer ratio is determined by gas chromatography (GC) analysis using the method described in the Examples, and the area percentage method. can be obtained by Each isomer usually has its own unique peak by GC analysis. The isomer content can be expressed as a percentage of the peak area of each isomer with respect to the total peak area of the cyclic diol compound. The percentage ratio of each isomer can be defined as the isomer ratio.
- GC analysis can also be performed after trimethylsilylating the hydroxyl group of the cyclic diol compound of the present invention using N,O-bis(trimethylsilyl)trifluoroacetamide or the like.
- the compound represented by general formula (1c) may have isomers such as isomer (1c-A), isomer (1c-B), or isomer (1c-C) as described above. Two or three isomeric peaks were detected in the GC analysis, and these are considered isomer (1c-A), isomer (1c-B), or isomer (1c-C).
- Specific examples of the compound represented by general formula (1c) include ortho-phthalaldehyde trimethylolpropane diacetal, ortho-phthalaldehyde trimethylol ethane diacetal, 3-methyl ortho-phthalaldehyde trimethylol ethane diacetal, 4-methylorthophthalaldehyde trimethylolethane diacetal, 3-chloroorthophthalaldehyde trimethylolethane diacetal, 3-bromoorthophthalaldehyde trimethylolethane diacetal, 3,6-dimethylorthophthalaldehyde trimethylolethane diacetal, 3,4-dimethylorthophthalaldehyde trimethylolethane diacetal, 3,5-dimethylorthophthalaldehyde trimethylolethane diacetal, 4,5-dimethylorthophthalaldehyde trimethylolethane diacetal, 3,6-dichloroorthophthalaldehyde
- preferred compounds are ortho-phthalaldehyde trimethylolpropane diacetal, ortho-phthalaldehyde trimethylol ethane diacetal, 3-methyl ortho-phthalaldehyde trimethylol ethane diacetal, 3-methyl ortho-phthalaldehyde trimethylol propane diacetal, 4- methyl orthophthalaldehyde trimethylolpropane diacetal, 4-methyl orthophthalaldehyde trimethylol ethane diacetal, etc.
- particularly preferred compounds are ortho phthalaldehyde trimethylol propane diacetal, ortho phthalaldehyde trimethylol ethane diacetal, etc. mentioned.
- the method for producing the compound represented by the general formula (1) is not particularly limited. ) and a compound represented by (acetalization reaction). [In the formula, R 1 and ring A are the same as above. ] Specifically, the compound represented by the general formula (1) is obtained by reacting the compound represented by the general formula (3) with the compound represented by the general formula (4) in the presence of an acidic catalyst ( acetalization reaction).
- the reaction can usually be carried out in a solvent (eg, toluene, etc.).
- the solvent can be heated under reflux, and the reaction can be carried out while the water produced is azeotropically removed with the solvent.
- the acidic catalyst is not particularly limited as long as it has a catalytic action, and known acidic catalysts are used.
- mineral acids such as hydrochloric acid, sulfuric acid, nitric acid and phosphoric acid
- organic acids such as p-toluenesulfonic acid, methanesulfonic acid, ethanesulfonic acid, trifluoroacetic acid, trifluoromethanesulfonic acid
- cation exchange resins zeolites, silica.
- the amount of the compound represented by the general formula (4) to be used is usually about 0.5 to 3 mol, preferably 0.8 to 2 mol, per 1 mol of the compound represented by the general formula (3). on the order of moles.
- the compound represented by the general formula (1a), the compound represented by the general formula (1b), and the compound represented by the general formula (1c), which are included in the compound represented by the general formula (1), are also ⁇ It can be produced in the same manner as in reaction scheme 1>.
- the compound represented by the general formula (1a) is a compound represented by the following general formula (3a) and the compound represented by the following general formula (4), as shown in the following ⁇ reaction formula 2>. , can be produced by a reaction (acetalization reaction) in the presence of an acidic catalyst. [In the formula, R 1 and R 2 are the same as above. ]
- the compound represented by the general formula (1b) is obtained by combining a compound represented by the following general formula (3b) and a compound represented by the following general formula (4), as shown in ⁇ Reaction formula 3> below. , can be produced by a reaction (acetalization reaction) in the presence of an acidic catalyst.
- acetalization reaction acetalization reaction
- the compound represented by the general formula (1c) is a compound represented by the following general formula (3c) and the compound represented by the following general formula (4), as shown in the following ⁇ reaction formula 4>. , can be produced by a reaction (acetalization reaction) in the presence of an acidic catalyst. [In the formula, R 1 and R 2 are the same as above. ]
- thermoplastic resin of one embodiment of the present invention is not particularly limited, such as polyester resin, polycarbonate resin, polyester carbonate resin, epoxy resin, polyurethane resin, polyacrylic acid ester resin, polymethacrylic acid ester resin, etc., polycarbonate resin or It is preferably a polyester carbonate resin, more preferably contains a structural unit (A) represented by the following formula, and at least one of structural units (A1), (A2) and (A3) represented by the following formula is particularly preferred.
- R 1 and ring A have the same definitions as those in the general formula (1).
- [In the formula, R 1 and R 2 have the same definitions as those in the general formula (1a).
- [In the formula, R 1 and R 2 have the same definitions as in the general formula (1b).
- [In the formula, R 1 and R 2 have the same definitions as in the general formula (1c). ]
- the ratio of the structural unit (A) represented by the above formula to all structural units is not particularly limited, but it is preferably 1 to 80 mol% of all structural units. , more preferably 1 to 60 mol %, particularly preferably 5 to 50 mol %. That is, the thermoplastic resin of one embodiment of the present invention is derived from an aliphatic dihydroxy compound that is generally used as a structural unit of polycarbonate resins and polyester carbonate resins, in addition to the structural unit (A) represented by the above formula. and structural units derived from aromatic dihydroxy compounds.
- various aliphatic dihydroxy compounds can be mentioned, and in particular, 1,4-cyclohexanedimethanol, tricyclodecanedimethanol, 1,3-adamantanedimethanol, 2,2-bis( 4-hydroxycyclohexyl)-propane, 3,9-bis(2-hydroxy-1,1-dimethylethyl)-2,4,8,10-tetraoxaspiro[5.5]undecane, 2-(5-ethyl -5-hydroxymethyl-1,3-dioxan-2-yl)-2-methylpropan-1-ol, isosorbide, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, etc.
- aromatic dihydroxy compounds can be mentioned, but in particular 2,2-bis(4-hydroxyphenyl)propane [bisphenol A], bis(4-hydroxyphenyl)methane, 1,1-bis( 4-hydroxyphenyl)ethane, 2,2-bis(4-hydroxy-3,5-dimethylphenyl)propane, 4,4'-dihydroxydiphenyl, bis(4-hydroxyphenyl)cycloalkane, bis(4-hydroxyphenyl) ) oxide, bis(4-hydroxyphenyl)sulfide, bis(4-hydroxyphenyl)sulfone, bis(4-hydroxyphenyl)sulfoxide, and bis(4-hydroxyphenyl)ketone, bisphenoxyethanolfluorene, and the like.
- bisphenol A 2,2-bis(4-hydroxyphenyl)propane
- 1,1-bis( 4-hydroxyphenyl)ethane 1,1-bis( 4-hydroxyphenyl)ethane
- thermoplastic resin of one embodiment of the present invention preferably contains a monomer-derived structural unit (B) represented by the following formula (2).
- R a and R b are each independently a halogen atom, an optionally substituted alkyl group having 1 to 20 carbon atoms, or an optionally substituted C 1 to 20 alkoxyl group, optionally substituted cycloalkyl group having 5 to 20 carbon atoms, cycloalkoxyl group having optionally substituted carbon atoms of 5 to 20, optionally substituted carbon number 6 to 20 aryl groups, optionally substituted C 6 to 20 heteroaryl groups containing one or more hetero ring atoms selected from O, N and S, having substituents is selected from the group consisting of an aryloxy group having 6 to 20 carbon atoms, and —C ⁇ C—R h .
- R h is an optionally substituted aryl group having 6 to 20 carbon atoms, or an optionally substituted carbon containing one or more heterocyclic atoms selected from O, N and S represents a heteroaryl group of numbers 6 to 20;
- R a and R b preferably contain one or more heterocyclic atoms selected from a hydrogen atom, an optionally substituted aryl group having 6 to 20 carbon atoms, O, N and S, substituted a heteroaryl group having 6 to 20 carbon atoms which may have a group, more preferably a hydrogen atom, an aryl group having 6 to 20 carbon atoms which may have a substituent, still more preferably hydrogen It is an aryl group having 6 to 12 carbon atoms which may have atoms and substituents.
- X is a single bond or represents a fluorene group which may have a substituent. X is preferably a single bond or an optionally substituted fluorene group having 12 to 20 carbon atoms in total.
- a and B are each independently an optionally substituted alkylene group having 1 to 5 carbon atoms, preferably an alkylene group having 2 or 3 carbon atoms.
- m and n are each independently an integer of 0 to 6, preferably an integer of 0 to 3, more preferably 0 or 1.
- a and b are each independently an integer of 0 to 10, preferably an integer of 1 to 3, more preferably 1 or 2.
- structural unit (B) examples include those derived from 2,2'-bis(2-hydroxyethoxy)-1,1'-binaphthalene (BNE), DPBHBNA, and the like.
- thermoplastic resin of one embodiment of the present invention preferably has a monomer-derived structural unit (C) represented by the following formula (3).
- R c and R d are each independently a halogen atom, an optionally substituted C 1-20 alkyl group, an optionally substituted C 1-20 An alkoxyl group, an optionally substituted cycloalkyl group having 5 to 20 carbon atoms, a cycloalkoxyl group having 5 to 20 carbon atoms which may have a substituent, and optionally having a substituent It is selected from the group consisting of aryl groups having 6 to 20 carbon atoms.
- R c and R d preferably contain one or more heterocyclic atoms selected from a hydrogen atom, an optionally substituted aryl group having 6 to 20 carbon atoms, O, N and S, substituted a heteroaryl group having 6 to 20 carbon atoms which may have a group, more preferably a hydrogen atom, an aryl group having 6 to 20 carbon atoms which may have a substituent, still more preferably hydrogen It is an aryl group having 6 to 12 carbon atoms which may have atoms and substituents.
- Y 1 is a single bond, an optionally substituted fluorene group, or a structural formula represented by the following formulas (4) to (10), preferably It is a single bond or a structural formula represented by the following formula (4).
- R 61 , R 62 , R 71 and R 72 are each independently a hydrogen atom, a halogen atom, or an optionally substituted alkyl group having 1 to 20 carbon atoms.
- r and s are each independently an integer of 0 to 5000.
- a and B are each independently an optionally substituted alkylene group having 1 to 5 carbon atoms, preferably an alkylene group having 2 or 3 carbon atoms.
- p and q are each independently an integer of 0 to 4, preferably 0 or 1.
- a and b are each independently an integer of 0 to 10, preferably an integer of 0 to 5, more preferably an integer of 0 to 2. For example, 0 or 1.
- structural unit (C) examples include BPEF (9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene), BPPEF (9,9-bis(4-(2-hydroxyethoxy)-3- phenylphenyl)fluorene), 9,9-bis[6-(2-hydroxyethoxy)naphthalen-2-yl]fluorene (BNEF), bisphenol A, bisphenol AP, bisphenol AF, bisphenol B, bisphenol BP, bisphenol C, bis (4-hydroxyphenyl)-2,2-dichloroethylene, bisphenol E, bisphenol F, bisphenol G, bisphenol M, bisphenol S, bisphenol P, bisphenol PH, bisphenol TMC, bisphenol P-AP (4,4'-(1- phenylethylidene) bisphenol), bisphenol P-CDE (4,4'-cyclododecylidene bisphenol), bisphenol P-HTG (4,4'-(3,3,5-trimethylcyclohexylidene
- the thermoplastic resin of one embodiment of the present invention essentially comprises the structural unit (A), but includes a polymer containing the structural unit (B) and not containing the structural unit (C), a structural unit (C) containing the structural unit ( In addition to polymers not containing B), copolymers having the structural unit (B) and the structural unit (C), mixtures of polymers having the structural unit (B) and polymers having the structural unit (C), A combination of these may be used.
- the polymer containing the structural unit (C) and not containing the structural unit (B) include those having structural units of the following formulas (I-1) to (I-3).
- Examples of copolymers having structural units (C) include those having structural units of the following formulas (II-1) to (II-4).
- m and n are each an integer of 1 to 10, preferably an integer of 1 to 5, more preferably 1;
- the number of repeating units in formula (I-3) is an integer of 1 to 10, preferably an integer of 1 to 5, more preferably 1.
- the polymer having a plurality of types of structural units both a block copolymer having a large value of m and n, for example, 100 or more, and a random copolymer can be employed, but a random copolymer is preferable. More preferably, random copolymers in which the values of m and n are 1 are used.
- m and n are each independently an integer of 1 to 10, preferably an integer of 1 to 5, more preferably 1.
- a block copolymer having a large value of m and n for example, 100 or more, and a random copolymer can be employed, but a random copolymer is preferable. More preferably, random copolymers in which the values of m and n are 1 are used.
- the molar ratio of the structural unit (B) to the structural unit (C) is preferably from 1:99 to 99:1, more preferably from 10:90 to 90:10.
- the mass ratio of the polymer having the structural unit (B) and the polymer having the structural unit (C) is preferably 1:99 to 99:1, preferably 10:90 to 90:10. 15:85 to 85:15 is more preferred, and 30:70 to 70:30 is particularly preferred.
- the thermoplastic resin of one embodiment of the present invention also preferably contains structural units derived from at least one monomer selected from the following monomer group.
- R 1 and R 2 each independently represent a hydrogen atom, a methyl group or an ethyl group
- R 3 and R 4 each independently represent a hydrogen atom, a methyl group, an ethyl group or a represents an alkylene glycol of ⁇ 5.
- the polycarbonate resin of a preferred embodiment of the present invention contains alcohol-based compounds such as phenol-based compounds that may be produced as by-products during production, and diol components or carbonic acid diesters that remain unreacted as impurities.
- Alcoholic compounds such as phenolic compounds and carbonic acid diesters, which are impurities, can cause a decrease in strength and generation of odor when formed into a molded article.
- the content of the remaining phenolic compound is preferably 3000 mass ppm or less, more preferably 1000 mass ppm or less, and particularly preferably 300 mass ppm or less based on 100 mass% of the polycarbonate resin.
- the content of the remaining diol component is preferably 1000 mass ppm or less, more preferably 100 mass ppm or less, and particularly preferably 10 mass ppm or less based on 100 mass% of the polycarbonate resin.
- the content of the remaining carbonic acid diester is preferably 1000 mass ppm or less, more preferably 100 mass ppm or less, and particularly preferably 10 mass ppm or less based on 100 mass% of the polycarbonate resin.
- it is preferable that the content of compounds such as phenol and t-butylphenol is small, and the content of these compounds is preferably within the above range.
- the content of the phenolic compound remaining in the polycarbonate resin can be measured by a method of analyzing the phenolic compound extracted from the polycarbonate resin using gas chromatography.
- the content of the alcohol-based compound remaining in the polycarbonate resin can also be measured by a method of analyzing the alcohol-based compound extracted from the polycarbonate resin using gas chromatography.
- the contents of diol components and carbonic acid diesters remaining in the polycarbonate resin can also be measured by extracting these compounds from the polycarbonate resin and analyzing them using gas chromatography.
- the content of by-product alcoholic compounds such as phenolic compounds, diol components, and carbonic acid diesters may be reduced to the extent that they are not detected. good too.
- the amount is very small, the plasticity can be improved when the resin is melted.
- each of the remaining phenolic compound, diol component, or diester carbonate is, for example, 0.01 mass ppm or more, 0.1 mass ppm or more, or 1 mass ppm or more with respect to 100 mass% of the polycarbonate resin.
- the content of the remaining alcohol compound may be, for example, 0.01 mass ppm or more, 0.1 mass ppm or more, or 1 mass ppm or more with respect to 100 mass% of the polycarbonate resin.
- by-product alcoholic compounds such as phenolic compounds, diol components, and carbonic acid diesters in the polycarbonate resin are adjusted so as to fall within the above ranges by appropriately adjusting the polycondensation conditions and equipment settings. It is possible. It can also be adjusted by the conditions of the extrusion process after polycondensation.
- the residual amount of by-product alcoholic compounds such as phenolic compounds is related to the type of carbonic acid diester used in the polymerization of polycarbonate resin, the polymerization reaction temperature and polymerization pressure, and the like. By adjusting these, the residual amount of by-product alcoholic compounds such as phenolic compounds can be reduced.
- the content of the remaining by-product alcohol-based compound in the obtained polycarbonate resin is preferably 3000 mass ppm or less with respect to the polycarbonate resin (100 mass %).
- the content of the remaining alcohol-based compound is preferably 3000 mass ppm or less, more preferably 1000 mass ppm or less, and particularly preferably 300 mass ppm or less based on 100 mass% of the polycarbonate resin.
- thermoplastic resin ⁇ Physical properties of thermoplastic resin> (1) Refractive index (nD)
- one of the characteristics of the thermoplastic resin is that it has a high refractive index. is more preferable, and 1.600 to 1.650 is particularly preferable.
- the refractive index can be measured by the method described in Examples below.
- the Abbe number of the thermoplastic resin is preferably 25.0 to 33.0, more preferably 25.5 to 32.0, and 26.0 to 30.0. is particularly preferred. In the present invention, the Abbe number can be measured by the method described in Examples below.
- one of the characteristics of the thermoplastic resin is high heat resistance, and the glass transition temperature (Tg) is preferably 135 to 200 ° C., and at 140 to 180 ° C. 140 to 170°C is particularly preferred.
- the glass transition temperature can be measured by the method described in Examples below.
- the polystyrene equivalent weight average molecular weight of the thermoplastic resin is preferably 10,000 to 200,000, more preferably 10,000 to 100,000, and 10,000 to 80,000 is particularly preferred.
- thermoplastic resin composition Another embodiment of the invention is a thermoplastic resin composition comprising the thermoplastic resin described above and an additive.
- the thermoplastic resin composition of the present embodiment can be used in combination with a resin other than the thermoplastic resin of the present invention containing the above-described structural unit (A) within a range that does not impair the desired effects of the present embodiment.
- Such resins include, but are not limited to, polycarbonate resins, polyester resins, polyester carbonate resins, (meth)acrylic resins, polyamide resins, polystyrene resins, cycloolefin resins, acrylonitrile-butadiene-styrene copolymer resins, chloride At least one resin selected from the group consisting of vinyl resins, polyphenylene ether resins, polysulfone resins, polyacetal resins and methyl methacrylate-styrene copolymer resins can be used. Various known ones can be used as these, and they can be added to the thermoplastic resin composition singly or in combination of two or more.
- the thermoplastic resin composition preferably contains an antioxidant as the additive.
- an antioxidant it is preferable to contain at least one of a phenolic antioxidant and a phosphite antioxidant.
- phenolic antioxidants 1,3,5-tris(3,5-di-tert-butyl-4-hydroxyphenylmethyl)-2,4,6-trimethylbenzene, 1,3,5-tris(3 ,5-di-tert-butyl-4-hydroxybenzyl)-1,3,5-triazine e-2,4,6(1H,3H,5H)-trione, 4,4′,4′′-(1 -methylpropanyl-3-ylidene)tris(6-tert-butyl-m-cresol), 6,6'-di-tert-butyl-4,4'-butylidenedi-m-cresol, ocladecyl 3-(3, 5-di-tert-butyl-4-hydroxyphenyl)propionate, pentaery
- Phosphite antioxidants such as 2-ethylhexyldiphenylphosphite, isodecyldiphenylphosphite, triisodecylphosphite, triphenylphosphite, 3,9-bis(octadecyloxy)-2,4,8,10- Tetraoxy-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(2,6-di-tert-butyl-4-methylphenoxy)-2,4,8,10-tetraoxa- 3,9-diphosphaspiro[5.5]undecane, 2,2′-methylenebis(4,6-di-tert-butylphenyl) 2-ethylhexylphosphite, tris(2,4-ditert-butylphenyl ) phosphite, tris(nonylphenyl)phosphite, tetra-C12-15-alky
- the antioxidant is preferably contained in an amount of 1 ppm to 3000 ppm by weight based on the total weight of the resin composition.
- the content of the antioxidant in the thermoplastic resin composition is more preferably 50 ppm to 2500 ppm by weight, more preferably 100 ppm to 2000 ppm by weight, and particularly preferably 150 ppm to 1500 ppm by weight. and more preferably 200 ppm to 1200 ppm by weight.
- the thermoplastic resin composition preferably contains a release agent as the additive.
- release agents include ester compounds such as glycerin fatty acid esters such as mono- and diglycerides of glycerin fatty acid, glycol fatty acid esters such as propylene glycol fatty acid esters and sorbitan fatty acid esters, higher alcohol fatty acid esters, aliphatic polyhydric alcohols and aliphatic carboxylic acids. Full esters with acids, mono fatty acid esters, and the like can be mentioned.
- ester of an aliphatic polyhydric alcohol and an aliphatic carboxylic acid is used as the release agent, either a monoester, a full ester, or the like can be used.
- release agents include the following. Sorbitan fatty acid esters such as sorbitan stearate, sorbitan laurate, sorbitan oleate, sorbitan trioleate, sorbitan tribehenate, sorbitan stearate, sorbitan tristearate, sorbitan caprylate; Propylene glycol fatty acid esters such as propylene glycol monostearate, propylene glycol monooleate, propylene glycol monobehenate, propylene glycol monolaurate, and propylene glycol monopalmitate; Higher alcohol fatty acid esters such as stearyl stearate; Glycerin monostearate, glycerin mono-12-hydroxystearate and other glycerin monohydroxystearate, glycerin monooleate, glycerin monobehenate, glycerin monocaprylate, glycerin monocaprate, glycerin monolaurate and other monogly
- the release agent is preferably contained in an amount of 1 ppm to 5000 ppm by weight based on the total weight of the resin composition.
- the content of the release agent in the thermoplastic resin composition is more preferably 50 ppm to 4000 ppm by weight, still more preferably 100 ppm to 3500 ppm by weight, and particularly preferably 500 ppm to 13000 ppm by weight. and more preferably 1000 ppm to 2500 ppm by weight.
- additives may be added to the thermoplastic resin composition in addition to the antioxidant and release agent described above.
- additives that may be contained in the thermoplastic resin composition include compounding agents, catalyst deactivators, heat stabilizers, plasticizers, fillers, ultraviolet absorbers, rust inhibitors, dispersants, antifoaming agents, leveling agents, Examples include flame retardants, lubricants, dyes, pigments, bluing agents, nucleating agents, and clarifying agents.
- the content of additives other than antioxidants and release agents in the thermoplastic resin composition is preferably 10 wt ppm to 5.0 wt %, more preferably 100 wt ppm to 2.0 wt %. and more preferably 1000 ppm by weight to 1.0% by weight, but not limited thereto.
- the above additives may adversely affect the transmittance and should not be added in excess, eg the total amount added is within the above range.
- thermoplastic resin composition containing a modifier represented by the following general formula (1) and a thermoplastic resin.
- R 1 and ring A have the same definitions as in general formula (1) above. That is, the novel cyclic diol compound represented by general formula (1) can also be used as a modifier.
- the above mass ratio may preferably be from 99:1 to 70:30, more preferably from 98:2 to 70:30, for example 99:1, 98:2, 97:3, 96: 4, 95:5, 94:6, 93:7, 92:8, 91:9, 90:10, 85:15, 80:20, 75:25, 70:30, and the like.
- the mass ratio of the thermoplastic resin to the modifier is within the above range, it is possible to provide a resin composition with high fluidity and good moldability.
- thermoplastic resin or thermoplastic resin composition (hereinafter simply referred to as "resin composition") of the present invention can be suitably used for optical members.
- An embodiment of the present invention provides an optical member containing the resin composition of the present invention.
- optical members include optical discs, transparent conductive substrates, optical cards, sheets, films, optical fibers, lenses, prisms, optical films, substrates, optical filters, hard coat films, etc. It is not limited to these.
- the resin composition of the present invention has a high fluidity and can be molded by a casting method, so it is particularly suitable for manufacturing thin optical members.
- the optical member produced using the resin composition of the present invention may be an optical lens.
- the optical member produced using the resin composition of the present invention may be an optical film.
- an optical member containing the resin composition of the present invention is produced by injection molding, it is preferable to perform molding under the conditions of a cylinder temperature of 260 to 350°C and a mold temperature of 90 to 170°C. More preferably, molding is carried out under conditions of a cylinder temperature of 270 to 320°C and a mold temperature of 100 to 160°C. If the cylinder temperature is higher than 350°C, the resin composition will decompose and color, and if it is lower than 260°C, the melt viscosity will be high and molding will be difficult. Moreover, when the mold temperature is higher than 170° C., it tends to be difficult to remove the molded piece made of the resin composition from the mold.
- the mold temperature is less than 90° C.
- the resin will harden too quickly in the mold during molding, making it difficult to control the shape of the molded piece, or the mold applied to the mold will not be sufficiently transferred. It is easy to become difficult.
- the resin composition can be suitably used for optical lenses.
- Optical lenses manufactured using the resin composition of the present invention have a high refractive index and excellent heat resistance, so conventionally, expensive high refractive index glass lenses have been used for telescopes, binoculars, television projectors, and the like. It can be used in various fields and is extremely useful.
- R 1 and R 2 each independently represent a hydrogen atom, a methyl group or an ethyl group
- R 3 and R 4 each independently represent a hydrogen atom, a methyl group, an ethyl group or a represents an alkylene glycol of ⁇ 5.
- a lens molded from a resin containing a structural unit derived from any of the monomers of the above formulas can be superimposed and used as a lens unit.
- the optical lens of the present invention is preferably implemented in the form of an aspherical lens if necessary.
- Aspherical lenses can eliminate spherical aberration with a single lens, so there is no need to combine multiple spherical lenses to remove spherical aberration, which helps reduce weight and molding costs. be possible. Therefore, aspherical lenses are particularly useful as camera lenses among optical lenses.
- the optical lens of the present invention is particularly useful as a material for thin, compact, and complicated-shaped optical lenses because of its high molding fluidity.
- the thickness of the central portion is preferably 0.05 to 3.0 mm, more preferably 0.05 to 2.0 mm, still more preferably 0.1 to 2.0 mm.
- the diameter is preferably 1.0 mm to 20.0 mm, more preferably 1.0 to 10.0 mm, still more preferably 3.0 to 10.0 mm.
- the lens is a meniscus lens having a convex surface on one side and a concave surface on the other side.
- the optical lens of the present invention can be molded by any method such as mold molding, cutting, polishing, laser processing, electrical discharge machining, and etching. Among these, mold molding is more preferable from the viewpoint of manufacturing cost.
- the resin composition can be suitably used for optical films.
- the optical film produced using the polycarbonate resin of the present invention is excellent in transparency and heat resistance, and thus is suitably used for films for liquid crystal substrates, optical memory cards, and the like.
- the molding environment must naturally be a low-dust environment, preferably class 6 or less, more preferably class 5 or less.
- ⁇ Melting point> The melting point of the cyclic diol compound was measured using a differential calorimeter DSC6220 manufactured by SII Nanotechnology. 10.7 mg of the sample was placed in an aluminum pan manufactured by the same company, sealed, and heated from 30° C. to 200° C. at a rate of 10° C./min under a nitrogen stream of 50 ml/min to observe an endothermic peak. The temperature indicated by the peak top was taken as the melting point.
- IR spectrum ⁇ Infrared absorption spectrum (IR spectrum)>
- the IR spectrum of the cyclic diol compound was measured by the ATR method (attenuated total reflection method) using an infrared spectrometer (Spectrum 400 manufactured by PerkinElmer Japan Co., Ltd.).
- Tg Glass transition temperature
- ⁇ Weight average molecular weight (Mw)> The weight average molecular weight of the resin was measured by a gel permeation chromatography (GPC) method and calculated in terms of standard polystyrene.
- the equipment, column, and measurement conditions used are as follows.
- ⁇ GPC device HLC-8420GPC manufactured by Tosoh Corporation ⁇ Column: TSKgel SuperHM-M ⁇ 3 manufactured by Tosoh Corporation TSKgel guard column SuperH-H ⁇ 1 manufactured by Tosoh Corporation TSKgel SuperH-RC ⁇ 1 manufactured by Tosoh Corporation ⁇ Detector: RI detector ⁇ Standard polystyrene: standard polystyrene kit PStQuick C manufactured by Tosoh Corporation - Sample solution: 0.2% by mass tetrahydrofuran solution It was filtered through a syringe filter (GL chromatodisc, pore size 0.45 ⁇ m, manufactured by GL Sciences Inc.) and then injected into the column. ⁇ Eluent: tetrahydrofuran ⁇ Eluent flow rate: 0.6 mL / min ⁇ Column temperature: 40°C
- the reaction mixture was returned to room temperature, neutralized with 1 g of triethylamine, 59 ml of toluene was distilled off under reduced pressure, 100 g of ion-exchanged water was added, and the mixture was cooled with ice water.
- the produced crystals were separated by filtration, and the obtained crystals were first rinsed twice with 50 ml of ion-exchanged water and then rinsed twice with 100 ml of hot water at 60°C. Finally, it was rinsed twice with 50 ml of deionized water.
- the wet crystals were dried at 80° C. under reduced pressure to obtain 26.7 g (0.08 mol) of isophthalaldehyde trimethylolethane diacetal with a purity of 99.7 GC area %.
- the crystal melting point was 165.9°C.
- IR spectrum was measured for the obtained isophthalaldehyde trimethylolethane diacetal, and it was confirmed that the obtained compound was isophthalaldehyde trimethylolethane diacetal.
- the reaction mixture was returned to room temperature, neutralized with 1 g of triethylamine, 60 ml of toluene was distilled off under reduced pressure, 150 g of ion-exchanged water was added, and the mixture was cooled with ice water.
- the produced crystals were separated by filtration, and the obtained crystals were first rinsed twice with 50 ml of ion-exchanged water and then rinsed twice with 100 ml of hot water at 60°C. Finally, it was rinsed twice with 50 ml of deionized water.
- the wet crystals were dried at 80° C. under reduced pressure to obtain isophthalaldehyde trimethylolpropane diacetal with a purity of 92.7 GC area %.
- IR spectrum was measured for the obtained isophthalaldehyde trimethylolpropane diacetal, and it was confirmed that the obtained compound was isophthalaldehyde trimethylolpropane diacetal.
- the reaction mixture was returned to room temperature, neutralized with 1 g of triethylamine, 50 ml of toluene was distilled off under reduced pressure conditions, 100 g of ion-exchanged water was added, and the mixture was cooled with ice water.
- the produced crystals were separated by filtration, and the obtained crystals were first rinsed twice with 50 ml of ion-exchanged water and then rinsed twice with 50 ml of hot water at 60°C.
- the wet crystals were dried at 100° C. under reduced pressure to obtain 30.4 g (0.09 mol) of terephthalaldehyde trimethylolethane diacetal with a purity of 99.7 GC area %.
- the melting point of the crystal was 247.3°C.
- IR spectrum was measured for the obtained terephthalaldehyde trimethylolethane diacetal, and it was confirmed that the obtained compound was terephthalaldehyde trimethylolethane diacetal.
- the reaction mixture was returned to room temperature, neutralized with 1 g of triethylamine, 50 ml of toluene was distilled off under reduced pressure, 150 g of ion-exchanged water was added, and the mixture was cooled with ice water.
- the produced crystals were separated by filtration, and the obtained crystals were first rinsed twice with 50 ml of ion-exchanged water and then rinsed twice with 50 ml of hot water at 60°C.
- terephthalaldehyde trimethylolpropane diacetal with a purity of 96.9 GC area % was obtained.
- IR spectrum was measured for the obtained terephthalaldehyde trimethylolpropane diacetal, and it was confirmed that the obtained compound was terephthalaldehyde trimethylolpropane diacetal.
- Example 1 As raw materials, 22.6470 g (0.0516 mol) of 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene (BPEF) represented by the following structural formula, isophthalaldehyde tri Methylolethane diacetal (hereinafter referred to as compound 1) 7.4982 g (0.0222 mol), diphenyl carbonate (DPC) 16.2833 g (0.0760 mol) and sodium hydrogen carbonate 0.6201 ⁇ 10 -4 g (0 .7381 ⁇ 10 ⁇ 6 mol) was placed in a 300 mL reactor equipped with a stirrer and distiller, and the system was set to a nitrogen atmosphere of 101.3 kPa.
- BPEF 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene
- This reactor was immersed in an oil bath heated to 200° C. to initiate the transesterification reaction. Stirring was started 5 minutes after the start of the reaction, and after 20 minutes the pressure was reduced from 101.3 kPa to 26.66 kPa over 10 minutes. The temperature was raised to 210° C. while reducing the pressure, and the temperature was raised to 220° C. 60 minutes after the start of the reaction. After reducing the pressure and maintaining the pressure for 30 minutes, nitrogen gas was introduced into the reaction system and the pressure was returned to 101.3 kPa to obtain a polycarbonate resin.
- the obtained polycarbonate resin had a refractive index of 1.6125, an Abbe number of 25.98, a Tg of 142° C., and a polystyrene equivalent weight average molecular weight (Mw) of 34,459.
- Table 1 shows the content of the diol compound as a raw material and the physical properties of the obtained resin.
- Example 2 As raw materials, 24.9709 g (0.0738 mol) of compound 1, 16.2833 g (0.0760 mol) of diphenyl carbonate (DPC) and 0.6201 ⁇ 10 ⁇ 4 g (0.7381 ⁇ 10 ⁇ 6 ) of sodium bicarbonate A polycarbonate resin was obtained in the same manner as in Example 1, except that mol) was used. The resulting polycarbonate resin had a refractive index of 1.536, an Abbe number of 38.01, a Tg of 134° C., and a polystyrene-equivalent weight average molecular weight (Mw) of 34,425. Table 1 below shows the content of the diol compound as a raw material and the physical properties of the obtained resin.
- DPC diphenyl carbonate
- Mw polystyrene-equivalent weight average molecular weight
- Example 3 As raw materials, 20.9233 g (0.0477 mol) of 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene (BPEF) represented by the following structural formula, terephthalaldehyde tri 6.9132 g (0.0204 mol) of methylolethane diacetal (hereinafter referred to as compound 2), 15.0581 g (0.0703 mol) of diphenyl carbonate (DPC) and 0.5725 ⁇ 10 ⁇ 4 g (0.0703 mol) of sodium hydrogen carbonate .6814 ⁇ 10 ⁇ 6 mol) was placed in a 300 mL reactor equipped with a stirrer and distiller, and the system was set to a nitrogen atmosphere of 101.3 kPa.
- BPEF 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene
- This reactor was immersed in an oil bath heated to 200° C. to initiate the transesterification reaction. Stirring was started 5 minutes after the start of the reaction, and after 20 minutes the pressure was reduced from 101.3 kPa to 26.66 kPa over 10 minutes. The temperature was raised to 210°C while reducing the pressure, and the temperature was raised to 220°C 70 minutes after the start of the reaction. After 90 minutes, the pressure was reduced to 20.00 kPa over 10 minutes, and the temperature was raised to 240°C and to 0 kPa. After reducing the pressure and maintaining the pressure for 30 minutes, nitrogen gas was introduced into the reaction system and the pressure was returned to 101.3 kPa to obtain a polycarbonate resin.
- the obtained polycarbonate resin had a refractive index of 1.6095, an Abbe number of 26.09, a Tg of 153° C., and a polystyrene-equivalent weight average molecular weight (Mw) of 16,844.
- Table 1 below shows the content of the diol compound as a raw material and the physical properties of the obtained resin.
- Example 4 A polycarbonate resin was obtained in the same manner as in Example 3, except that the amounts shown in Table 1 below were changed. The physical properties of the obtained resin are shown in Table 1 below.
- the obtained polycarbonate resin had a refractive index of 1.5998, an Abbe number of 26.53, a Tg of 134° C., and a polystyrene-equivalent weight average molecular weight (Mw) of 39,000.
- Table 1 below shows the content of the diol compound as a raw material and the physical properties of the obtained resin.
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Abstract
Description
<1> 下記一般式(1)で表されるモノマー由来の構成単位(A)を含む熱可塑性樹脂である。
<2> ポリカーボネート樹脂又はポリエステルカーボネート樹脂である、上記<1>に記載の熱可塑性樹脂である。
<3> 前記一般式(1)におけるR1が、同一又は異なって、それぞれ、メチル基、エチル基、n-プロピル基、iso-プロピル基、n-ブチル基、iso-ブチル基、sec-ブチル基、tert-ブチル基又はフェニル基である、上記<1>又は<2>に記載の熱可塑性樹脂である。
<4> 前記一般式(1)において、R1が、同一又は異なって、それぞれ、メチル基又はエチル基である、上記<3>に記載の熱可塑性樹脂である。
<5> 前記一般式(1)において、環Aが、炭素数1~6の直鎖状若しくは分岐鎖状のアルコキシ基、及び炭素数1~6の直鎖状若しくは分岐鎖状のアルキル基からなる群から選択される1~4個の基で置換されていてもよいベンゼン環である、上記<1>から<4>のいずれかに記載の熱可塑性樹脂である。
<6> 前記一般式(1)において、R1が、メチル基又はエチル基であり、環Aが、メチル基及びエチル基からなる群から選択される1~4個の基で置換されていてもよいベンゼン環である、上記<1>から<5>のいずれかに記載の熱可塑性樹脂である。
<7> 前記一般式(1)で表されるモノマーが、下記一般式(1a)で表されるモノマーである、上記<1>又は<2>に記載の熱可塑性樹脂である。
<8> 前記一般式(1)で表されるモノマーが、下記一般式(1b)で表されるモノマーである、上記<1>又は<2>に記載の熱可塑性樹脂である。
<9> 前記一般式(1)で表されるモノマーが、下記一般式(1c)で表されるモノマーである、上記<1>又は<2>に記載の熱可塑性樹脂である。
<10> 前記熱可塑性樹脂が、下記式(2)で表されるモノマー由来の構成単位(B)及び/又は下記式(3)で表されるモノマー由来の構成単位(C)を含む、上記<1>から<9>のいずれかに記載の熱可塑性樹脂である。
Ra及びRbは、それぞれ独立に、水素原子、ハロゲン原子、置換基を有してもよい炭素数1~20のアルキル基、置換基を有してもよい炭素数1~20のアルコキシル基、置換基を有してもよい炭素数5~20のシクロアルキル基、置換基を有してもよい炭素数5~20のシクロアルコキシル基、置換基を有してもよい炭素数6~20のアリール基、O、N及びSから選択される1つ以上のヘテロ環原子を含む、置換基を有してもよい炭素数6~20のヘテロアリール基、置換基を有してもよい炭素数6~20のアリールオキシ基、及び、-C≡C-Rhからなる群より選択され、
Rhは置換基を有してもよい炭素数6~20のアリール基、又は、O、N及びSから選択される1つ以上のヘテロ環原子を含む、置換基を有してもよい炭素数6~20のヘテロアリール基を表し、
Xは、単結合であるか、又は置換基を有してもよいフルオレン基を表し、
A及びBは、それぞれ独立に、置換基を有してもよい炭素数1~5のアルキレン基を表し、
m及びnは、それぞれ独立に、0~6の整数を表し、
a及びbは、それぞれ独立に、0~10の整数を表す。)
Rc及びRdは、それぞれ独立に、水素原子、ハロゲン原子、置換基を有してもよい炭素数1~20のアルキル基、置換基を有してもよい炭素数1~20のアルコキシル基、置換基を有してもよい炭素数5~20のシクロアルキル基、置換基を有してもよい炭素数5~20のシクロアルコキシル基、及び、置換基を有してもよい炭素数6~20のアリール基からなる群より選択され、
Y1は、単結合、置換基を有してもよいフルオレン基、又は下記式(4)~(10)で表される構造式のうちいずれかであり、
R61、R62、R71及びR72は、それぞれ独立して、水素原子、ハロゲン原子、置換基を有してもよい炭素数1~20のアルキル基、又は、置換基を有してもよい炭素数6~30のアリール基を表すか、あるいは、R61及びR62、又はR71及びR72が互いに結合して形成する、置換基を有してもよい炭素数1~20の炭素環又は複素環を表し、
r及びsは、それぞれ独立して、0~5000の整数を表す。)
A及びBは、それぞれ独立に、置換基を有してもよい炭素数1~5のアルキレン基を表し、
p及びqは、それぞれ独立に、0~4の整数を表し、
a及びbは、それぞれ独立に、0~10の整数を表す。)
<11> 前記式(2)及び式(3)において、前記A及びBが、それぞれ独立に、炭素数2又は3のアルキレン基を表す、上記<10>に記載の熱可塑性樹脂である。
<12> 前記熱可塑性樹脂が、少なくとも、BPEF,BNE,BNEF及びDPBHBNAのいずれかに由来する構成単位を含む、上記<10>又は<11>に記載の熱可塑性樹脂である。
<13> 前記熱可塑性樹脂が、更に、下記のモノマー群から選択される少なくとも一つのモノマーに由来する構成単位を含む、上記<1>から<12>のいずれかに記載の熱可塑性樹脂である。
<14> 前記熱可塑性樹脂のポリスチレン換算の重量平均分子量(Mw)が、10,000~200,000である、上記<1>から<13>のいずれかに記載の熱可塑性樹脂である。
<15> 前記熱可塑性樹脂の屈折率(nD)が、1.599~1.750である、上記<1>から<14>のいずれかに記載の熱可塑性樹脂である。
<16> 前記熱可塑性樹脂のアッベ数(ν)が、25.0~33.0である、上記<1>から<15>のいずれかに記載の熱可塑性樹脂である。
<17> 前記熱可塑性樹脂のガラス転移温度が、135~200℃である、上記<1>から<16>のいずれかに記載の熱可塑性樹脂である。
<18> 下記一般式(1)で表される改質剤と熱可塑性樹脂とを含む、熱可塑性樹脂組成物である。
<19> 上記<1>から<17>のいずれかに記載の熱可塑性樹脂又は上記<20>に記載の熱可塑性樹脂組成物を含む、光学部材である。
<20> 上記<1>から<17>のいずれかに記載の熱可塑性樹脂又は上記<18>に記載の熱可塑性樹脂組成物を含む、光学レンズである。
<21> 上記<1>から<17>のいずれかに記載の熱可塑性樹脂又は上記<18>に記載の熱可塑性樹脂組成物を含む、光学フィルムである。
本発明の一実施形態は、下記一般式(1)で表されるモノマー由来の構成単位(A)を含む熱可塑性樹脂である。
R2で示される「炭素数1~4の直鎖状若しくは分岐鎖状のアルコキシ基」としては、特に制限はなく、例えば、メトキシ基、エトキシ基、n-プロピルオキシ基、イソプロピルオキシ基、n-ブチルオキシ基、イソブチルオキシ基、sec-ブチルオキシ基、tert-ブチルオキシ基等が挙げられる。このうち好ましくは、メトキシ基、エトキシ基、イソプロピルオキシ基、イソブチルオキシ基、tert-ブチルオキシ基である。
具体的には、一般式(1)で表される化合物は、一般式(3)で表される化合物と、一般式(4)で表される化合物とを、酸性触媒の存在下で反応(アセタール化反応)させることにより製造することができる。
一般式(4)で表される化合物の使用量は、一般式(3)で表される化合物1モルに対し、通常、0.5~3モル程度であり、好ましくは、0.8~2モル程度である。
一般式(1a)で表される化合物は、下記の<反応式2>に示すように、下記一般式(3a)で表される化合物と、下記一般式(4)で表される化合物とを、酸性触媒の存在下で反応(アセタール化反応)させることにより製造することができる。
つまり、本発明の一実施形態の熱可塑性樹脂は、上記式で表される構成単位(A)以外にも、一般的にポリカーボネート樹脂やポリエステルカーボネート樹脂の構成単位として用いられる脂肪族ジヒドロキシ化合物から誘導される構成単位や芳香族ジヒドロキシ化合物から誘導される構成単位を含むことができる。
具体的には、脂肪族ジヒドロキシ化合物としては、様々なものが挙げられるが、特に、1,4-シクロヘキサンジメタノール、トリシクロデカンジメタノール、1,3-アダマンタンジメタノール、2,2-ビス(4-ヒドロキシシクロヘキシル)-プロパン、3,9-ビス(2-ヒドロキシ-1,1-ジメチルエチル)-2,4,8,10-テトラオキサスピロ[5.5]ウンデカン、2-(5-エチル-5-ヒドロキシメチル-1,3-ジオキサン-2-イル)-2-メチルプロパン-1-オール、イソソルビド、1,3-プロパンジオール、1,4-ブタンジオール、1,6-ヘキサンジオール等が挙げられる。
芳香族ジヒドロキシ化合物としては、様々なものを挙げることができるが、特に2,2-ビス(4-ヒドロキシフェニル)プロパン〔ビスフェノールA〕、ビス(4-ヒドロキシフェニル)メタン、1,1-ビス(4-ヒドロキシフェニル)エタン、2,2-ビス(4-ヒドロキシ-3,5-ジメチルフェニル)プロパン、4,4’-ジヒドロキシジフェニル、ビス(4-ヒドロキシフェニル)シクロアルカン、ビス(4-ヒドロキシフェニル)オキシド、ビス(4-ヒドロキシフェニル)スルフィド、ビス(4-ヒドロキシフェニル)スルホン、ビス(4-ヒドロキシフェニル)スルホキシド、及びビス(4-ヒドロキシフェニル)ケトン、ビスフェノキシエタノールフルオレン等を挙げることができる。
Ra及びRbは、好ましくは、水素原子、置換基を有してもよい炭素数6~20のアリール基、O、N及びSから選択される1つ以上のヘテロ環原子を含む、置換基を有してもよい炭素数6~20のヘテロアリール基であり、より好ましくは、水素原子、置換基を有してもよい炭素数6~20のアリール基であり、さらに好ましくは、水素原子、置換基を有してもよい炭素数6~12のアリール基である。
式(2)において、A及びBは、それぞれ独立に、置換基を有してもよい炭素数1~5のアルキレン基であり、好ましくは、炭素数2又は3のアルキレン基である。
式(2)において、m及びnは、それぞれ独立に、0~6の整数であり、好ましくは0~3の整数であり、より好ましくは0又は1である。
式(2)において、a及びbは、それぞれ独立に、0~10の整数であり、好ましくは1~3の整数であり、より好ましくは1又は2である。
Rc及びRdは、好ましくは、水素原子、置換基を有してもよい炭素数6~20のアリール基、O、N及びSから選択される1つ以上のヘテロ環原子を含む、置換基を有してもよい炭素数6~20のヘテロアリール基であり、より好ましくは、水素原子、置換基を有してもよい炭素数6~20のアリール基であり、さらに好ましくは、水素原子、置換基を有してもよい炭素数6~12のアリール基である。
式(4)~(10)において、r及びsは、それぞれ独立して、0~5000の整数である。
式(I-3)の繰り返し単位数は、1~10の整数であり、好ましくは1~5の整数であり、より好ましくは1である。)
また、複数の種類の構成単位を有するポリマーとして、m及びnの値が例えば100以上と大きいブロック共重合体、及び、ランダム共重合体のいずれもが採用できるものの、ランダム共重合体が好ましく、より好ましくは、m及びnの値が1であるランダム共重合体が用いられる。
また、複数の種類の構成単位を有するポリマーとして、m及びnの値が例えば100以上と大きいブロック共重合体、及び、ランダム共重合体のいずれもが採用できるものの、ランダム共重合体が好ましく、より好ましくは、m及びnの値が1であるランダム共重合体が用いられる。
共重合体において、構成単位(B)と構成単位(C)とのモル比は、1:99~99:1であることが好ましく、10:90~90:10であることがより好ましく、15:85~85:15であることがさらに好ましく、30:70~70:30であることが特に好ましい。また、混合物においては、構成単位(B)を有するポリマーと構成単位(C)を有するポリマーとの質量比が、1:99~99:1であることが好ましく、10:90~90:10であることがより好ましく、15:85~85:15であることがさらに好ましく、30:70~70:30であることが特に好ましい。
不純物であるフェノール系化合物などのアルコール系化合物や炭酸ジエステルは、成形体としたときの強度低下や、臭気発生の原因ともなり得るため、これらの含有量は極力少ない程好ましい。
残存するジオール成分の含有量は、ポリカーボネート樹脂100質量%に対して、好ましくは1000質量ppm以下、より好ましくは100質量ppm以下、特に好ましくは10質量ppm以下である。
残存する炭酸ジエステルの含有量は、ポリカーボネート樹脂100質量%に対して、好ましくは1000質量ppm以下、より好ましくは100質量ppm以下、特に好ましくは10質量ppm以下である。
特に、フェノール、t-ブチルフェノールなどの化合物の含有量が、少ないことが好ましく、これらの化合物が上記範囲内であることが好ましい。
ポリカーボネート樹脂中に残存するアルコール系化合物の含有量についても、ポリカーボネート樹脂から抽出したアルコール系化合物を、ガスクロマトグラフィーを用いて分析する手法により測定することができる。
ポリカーボネート樹脂中に残存するジオール成分、炭酸ジエステルの含有量も、ポリカーボネート樹脂からこれらの化合物を抽出し、ガスクロマトグラフィーを用いて分析する手法により測定することができる。
残存するアルコール系化合物の含有量は、ポリカーボネート樹脂100質量%に対して、例えば、0.01質量ppm以上、0.1質量ppm以上、又は1質量ppm以上であってもよい。
(1)屈折率(nD)
本発明の一実施形態において、熱可塑性樹脂は高屈折率であることが特徴の一つであり、屈折率は、1.599~1.750であることが好ましく、1.599~1.650であることがより好ましく、1.600~1.650であることが特に好ましい。本発明において屈折率は、後述する実施例に記載の方法で測定することができる。
本発明の一実施形態において、熱可塑性樹脂のアッベ数は、25.0~33.0であることが好ましく、25.5~32.0であることがより好ましく、26.0~30.0であることが特に好ましい。本発明においてアッベ数は、後述する実施例に記載の方法で測定することができる。
本発明の一実施形態において、熱可塑性樹脂は、高耐熱性であることが特徴の一つであり、ガラス転移温度(Tg)は、135~200℃であることが好ましく、140~180℃であることがより好ましく、140~170℃であることが特に好ましい。本発明においてガラス転移温度は、後述する実施例に記載の方法で測定することができる。
本発明の一実施形態において、熱可塑性樹脂のポリスチレン換算重量平均分子量は、10,000~200,000であることが好ましく、10,000~100,000であることがより好ましく、10,000~80,000であることが特に好ましい。
本発明の別の実施形態は、上述した熱可塑性樹脂と添加剤とを含む熱可塑性樹脂組成物である。本実施形態の熱可塑性樹脂組成物は、本実施形態の所望とする効果を損なわない範囲で、上述した構成単位(A)を含む本発明の熱可塑性樹脂以外の樹脂を併用することができる。そのような樹脂としては、特に限定されないが、例えば、ポリカーボネート樹脂、ポリエステル樹脂、ポリエステルカーボネート樹脂、(メタ)アクリル樹脂、ポリアミド樹脂、ポリスチレン樹脂、シクロオレフィン樹脂、アクリロニトリル-ブタジエン-スチレン共重合樹脂、塩化ビニル樹脂、ポリフェニレンエーテル樹脂、ポリスルホン樹脂、ポリアセタール樹脂及びメチルメタクリレート-スチレン共重合樹脂からなる群より選択される少なくとも1つの樹脂が挙げられる。これらは種々既知のものを用いることができ、1種を単独で又は2種以上を併用して熱可塑性樹脂組成物に加えることができる。
熱可塑性樹脂組成物は、上記添加剤として酸化防止剤を含むことが好ましい。
酸化防止剤として、フェノール系酸化防止剤及びホスファイト系酸化防止剤の少なくとも一方を含むことが好ましい。
フェノール系酸化防止剤として、1,3,5-トリス(3,5-ジ-tert-ブチル-4-ヒドロキシフェニルメチル)-2,4,6-トリメチルベンゼン、1,3,5-トリス(3,5-ジ-tert-ブチル-4-ヒドロキシベンジル)-1,3,5-トリアジンe-2,4,6(1H,3H,5H)-トリオン、4,4’,4’’-(1-メチルプロパニル-3-イリデン)トリス(6-tert-ブチル-m-クレゾール)、6,6’-ジ-tert-ブチル-4,4’-ブチリデンジ-m-クレゾール、オクラデシル3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート、ペンタエリスリトール-テトラキス[3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート]、3,9-ビス{2-[3-(3-tert-ブチル-4-ヒドロキシ-5-メチルフェニル)プロピオニルオキシ]-1,1-ジメチルエチル}-2,4,8,10-テトラオキソスピロ[5.5]ウンデカン、ペンタエリスリトール-テトラキス[3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート]等が挙げられ、好ましくは、ペンタエリスリトール-テトラキス[3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート]である。
ホスファイト系酸化防止剤として、2-エチルヘキシルジフェニルフォスファイト、イソデシルジフェニルフォスファイト、トリイソデシルフォスファイト、トリフェニルフォスファイト、3,9-ビス(オクタデシルオキシ)-2,4,8,10-テトラオキシ-3,9-ジフォスファスピロ[5.5]ウンデカン、3,9-ビス(2,6-ジ-tert-ブチル-4-メチルフェノキシ)-2,4,8,10-テトラオキサ-3,9-ジフォスファスピロ[5.5]ウンデカン、2,2’-メチルエンビス(4,6-ジ-tert-ブチルフェニル)2-エチルヘキシルフォスファイト、トリス(2,4-ジtert-ブチルフェニル)フォスファイト、トリス(ノニルフェニル)フォスファイト、テトラ-C12-15-アルキル(プロパン-2,2-ジイルビス(4,1-フェニルエン))ビス(フォスファイト)、3,9-ビス(2,6-ジ-tert-ブチル-4-メチルフェノキシ)-2,4,8,10-テトラオキサ-3,9-ジフォスファスピロ[5.5]ウンデカン等が挙げられ、好ましくは、3,9-ビス(2,6-ジ-tert-ブチル-4-メチルフェノキシ)-2,4,8,10-テトラオキサ-3,9-ジフォスファスピロ[5.5]ウンデカンである。
酸化防止剤として、上述のいずれか1種類のみを用いても、2種類以上の混合物を用いてもよい。
熱可塑性樹脂組成物は、上記添加剤として離型剤を含むことが好ましい。
離型剤として、エステル化合物、例えば、グリセリン脂肪酸のモノ・ジグリセリド等のグリセリン脂肪酸エステル、プロピレングリコール脂肪酸エステル、ソルビタン脂肪酸エステル等のグリコール脂肪酸エステル、高級アルコール脂肪酸エステル、脂肪族多価アルコールと脂肪族カルボン酸とのフルエステルあるいはモノ脂肪酸エステル等が挙げられる。離型剤として、脂肪族多価アルコールと脂肪族カルボン酸とのエステルを用いる場合、モノエステル、フルエステル等、いずれも採用できるが、例えばモノエステル等のフルエステル以外であってもよい。
離型剤の具体例として、以下のものが挙げられる。
すなわち、ソルビタン ステアレート、ソルビタン ラウレート、ソルビタン オレート、ソルビタン トリオレート、ソルビタン トリベヘネート、ソルビタン ステアレート、ソルビタン トリステアレート、ソルビタン カプリレート等のソルビタン脂肪酸エステル;
プロピレングリコール モノステアレート、プロピレングリコール モノオレート、プロピレングリコール モノベヘネート、プロピレングリコール モノラウレート、プロピレングリコール モノパルミテート等のプロピレングリコール脂肪酸エステル;
ステアリル ステアレート等の高級アルコール脂肪酸エステル;
グリセリン モノステアレート、グリセリン モノ12-ヒドロキシステアレート等のグリセリン モノヒドロキシステアレート、グリセリン モノオレート、グリセリン モノベヘネート、グリセリン モノカプリレート、グリセリン モノカプレート、グリセリン モノラウレート等のモノグリセライド:グリセリンモノ・ジステアレート、グリセリンモノ・ジステアレート、グリセリンモノ・ジベヘネート、グリセリンモノ・ジオレート等のモノ・ジグリセライド:を含む、グリセリン脂肪酸エステルモノグリセライド;
グリセリン ジアセトモノ ラウレート等のグリセリン脂肪酸エステルアセチル化モノグリセライド;
クエン酸脂肪酸 モノグリセライド、コハク酸脂肪酸 モノグリセライド、ジアセチル酒石酸脂肪酸 モノグリセライド等のグリセリン脂肪酸エステル有機酸モノグリセライド;
ジグリセリン ステアレート、ジグリセリン ラウレート、ジグリセリン オレート、ジグリセリン モノステアレート、ジグリセリン モノラウレート、ジグリセリン モノミリステート、ジグリセリン モノオレート、テトラグリセリン ステアレート、デカグリセリン ラウレート、デカグリセリン オレート、ポリグリセリン ポリリシノレート等のポリグリセリン脂肪酸エステル等が挙げられる。
熱可塑性樹脂組成物には、上述の酸化防止剤及び離型剤以外にも、その他の添加剤を加えてもよい。例えば、熱可塑性樹脂組成物が含み得る添加剤として、配合剤、触媒失活剤、熱安定剤、可塑剤、充填剤、紫外線吸収剤、防錆剤、分散剤、消泡剤、レベリング剤、難燃剤、滑剤、染料、顔料、ブルーイング剤、核剤、透明化剤等が挙げられる。
熱可塑性樹脂組成物における酸化防止剤及び離型剤以外のその他の添加剤の含有量は、好ましくは10重量ppm~5.0重量%であり、より好ましくは100重量ppm~2.0重量%であり、さらに好ましくは1000重量ppm~1.0重量%であるが、これには限定されない。
上述の添加剤は、透過率に悪影響を与える可能性があり、過剰に添加しないことが好ましく、例えば、合計の添加量は上述の範囲内である。
本発明の熱可塑性樹脂又は熱可塑性樹脂組成物(以下、単に「樹脂組成物」と略す)は、光学部材に好適に用いることができる。本発明の一実施形態において、本発明の樹脂組成物を含む光学部材が提供される。本発明の一実施形態において、光学部材には、光ディスク、透明導電性基板、光カード、シート、フィルム、光ファイバー、レンズ、プリズム、光学膜、基盤、光学フィルター、ハードコート膜等が含まれるが、これらに限定されない。本発明の樹脂組成物は、高流動でキャスト法による成形が可能であるため、特に薄型の光学部材の製造に好適である。本発明の好ましい実施形態において、本発明の樹脂組成物を用いて製造される光学部材は、光学レンズであってよい。本発明の別の好ましい実施形態において、本発明の樹脂組成物を用いて製造される光学部材は、光学フィルムであってよい。
本発明の一実施形態において、樹脂組成物は、光学レンズに好適に用いることができる。本発明の樹脂組成物を用いて製造される光学レンズは、高屈折率であり、耐熱性に優れるため、望遠鏡、双眼鏡、テレビプロジェクター等、従来、高価な高屈折率ガラスレンズが用いられていた分野に用いることができ、極めて有用である。
例えばスマートフォンのレンズでは、構成単位(A)を含む熱可塑性樹脂から成形されたレンズと、式(II-1)~(II-4)のいずれかの構成単位を含む樹脂、あるいは、
上記式のいずれかのモノマーに由来する構成単位を含む樹脂から成形されたレンズとを、重ね合わせてレンズユニットとして用いることができる。
本発明の光学レンズは、金型成形、切削、研磨、レーザー加工、放電加工、エッチングなど任意の方法により成形される。この中でも、製造コストの面から金型成形がより好ましい。
本発明の一実施形態において、樹脂組成物は、光学フィルムに好適に用いることができる。特に、本発明のポリカーボネート樹脂を用いて製造される光学フィルムは、透明性及び耐熱性に優れるため、液晶基板用フィルム、光メモリーカード等に好適に使用される。
光学フィルムへの異物の混入を極力避けるため、成形環境も当然低ダスト環境でなければならず、クラス6以下であることが好ましく、より好ましくはクラス5以下である。
・イソフタルアルデヒド:東京化成工業株式会社製
・テレフタルアルデヒド:東京化成工業株式会社製
・オルトフタルアルデヒド:東京化成工業株式会社製
・p-トルエンスルホン酸一水和物:ナカライテスク株式会社製
・トリメチロールエタン、及びトリメチロールプロパン:東京化成工業株式会社製
・ビスフェノキシエタノールフルオレン(BPEF):東京化成工業株式会社製
・ジフェニルカーボネート:東京化成工業株式会社製
環式ジオール化合物の純度は、下記の条件及び方法にてガスクロマトグラフィー(GC)分析を行い、面積百分率法より求めた。
(サンプル調整)
環式ジオール化合物0.5gにメタノール50mlを加えて室温で振り混ぜ、環式ジオール化合物のメタノール溶液を調製し、分析用サンプルとした。
機器:島津製作所製 GC-2020
カラム:アジレント・テクノロジー株式会社製DB-1 30m×0.25mm×0.25μm
カラム温度:80℃(保持時間5min)-昇温速度10℃/min-320℃(保持時間5min)
インジェクション温度/検出器温度:300℃/325℃
スプリット比:30
カラム流量1.17ml/min
パージ流量10.0ml/min
検出器:FID
キャリアガス:ヘリウム
ガス線速度:30cm/sec
注入量:1μl
環式ジオール化合物の融点は、エスアイアイ・ナノテクノロジー社製示差熱量測定装置DSC6220を用いて測定した。試料10.7mgを同社製アルミパンに入れて密封し、50ml/分の窒素気流下、昇温速度10℃/分で30℃から200℃まで昇温して、吸熱ピークを観測した。そのピークトップが示した温度を融点とした。
環式ジオール化合物のIRスペクトルは、赤外分光分析装置(株式会社パーキンエルマージャパン製Spectrum400)を用い、ATR法(減衰全反射法)で行った。
JIS B 7071-2:2018に基づき、ポリカーボネート樹脂を成形してVブロックを得て試験片とした。23℃にて屈折率計(島津製作所製KPR-3000)で測定した。
屈折率測定で用いたものと同様の試験片(Vブロック)を用い、屈折率計を用い、23℃下での波長486nm、589nm、656nmの屈折率を測定し、下記式を用いてアッベ数を算出した。
ν=(nD-1)/(nF-nC)
nD:波長589nmでの屈折率
nC:波長656nmでの屈折率
nF:波長486nmでの屈折率
JIS K7121―1987に基づき示差熱走査熱量分析計(株式会社日立ハイテクサイエンス製 X-DSC7000)により、10℃/分の昇温プログラムにて測定した。
樹脂の重量平均分子量は、ゲル浸透クロマトグラフィー(GPC)法によって測定し、標準ポリスチレン換算で算出した。使用装置、カラム、及び測定条件は以下の通りである。
・GPC装置:東ソー(株)製、HLC-8420GPC
・カラム:東ソー(株)製、TSKgel SuperHM-M ×3本
東ソー(株)製、TSKgel guardcolumn SuperH-H ×1本
東ソー(株)製、TSKgel SuperH-RC ×1本
・検出器:RI検出器
・標準ポリスチレン:東ソー(株)製、標準ポリスチレンキット PStQuick C
・試料溶液:0.2質量%テトラヒドロフラン溶液
シリンジフィルター(ジーエルサイエンス株式会社製、GLクロマトディスク、孔径0.45μm)にてろ過してからカラムへ注入した。
・溶離液:テトラヒドロフラン
・溶離液流速:0.6mL/min
・カラム温度:40℃
攪拌機、温度計、冷却管付きディーンスタークを装着した500MLの4つ口フラスコにイソフタルアルデヒド13.4g(0.1mol)、p-トルエンスルホン酸一水和物0.67g、トリメチロールエタン26.4g(0.22mol)、トルエン60ml、N、N-ジメチルホルムアミド60mlを加えた後、昇温し、還流条件下で、生成水を抜きながら約6時間攪拌した。反応混合物を室温に戻し、トリエチルアミン1gで中和後、トルエンを減圧条件下で59ml留去した後、イオン交換水100gを追加し、氷水で冷却した。生成した結晶を濾別し、得られた結晶をまずイオン交換水50mlで二回リンスした後、60℃温水100mlで二回リンスした。最後にイオン交換水50mlで二回リンスした。湿結晶を80℃で、減圧乾燥することにより、純度99.7GC面積%のイソフタルアルデヒドトリメチロールエタンジアセタールを26.7g(0.08mol)得た。結晶の融点165.9℃であった。
IR(cm-1):653,690,714,803,891,962,982,1007,1024,1043,1100,1164,1378,2866,2955,3349
攪拌機、温度計、冷却管付きディーンスタークを装着した500MLの4つ口フラスコにイソフタルアルデヒド13.4g(0.1mol)、p-トルエンスルホン酸一水和物0.67g、トリメチロールプロパン29.5g(0.22mol)、トルエン60ml、N、N-ジメチルホルムアミド60mlを加えた後、昇温し、還流条件下で、生成水を抜きながら約8時間攪拌した。反応混合物を室温に戻し、トリエチルアミン1gで中和後、トルエンを減圧条件下で60ml留去した後、イオン交換水150gを追加し、氷水で冷却した。生成した結晶を濾別し、得られた結晶をまずイオン交換水50mlで二回リンスした後、60℃温水100mlで二回リンスした。最後にイオン交換水50mlで二回リンスした。湿結晶を80℃で減圧乾燥することにより、純度92.7GC面積%のイソフタルアルデヒドトリメチロールプロパンジアセタールを得た。得られた結晶はイソプロピルアルコール60gを加えて加熱溶解し、イソプロピルアルコール40gを留去後100mlの水を加えた。析出した結晶を濾別し、結晶をイオン交換水50mlで二回リンスした後、湿結晶を80℃で減圧乾燥することにより、純度98.5GC面積%のイソフタルアルデヒドトリメチロールプロパンジアセタールを27.0g(0.07mol)得た。結晶の融点95.5℃であった。
IR(cm-1):712,803,933,971,1030,1101,1165,1377,2859,2962,3374
攪拌機、温度計、冷却管付きディーンスタークを装着した500MLの4つ口フラスコにテレフタルアルデヒド13.4g(0.1mol)、p-トルエンスルホン酸一水和物0.67g、トリメチロールエタン26.4g(0.22mol)、トルエン60ml、N、N-ジメチルホルムアミド60mlを加えた後、昇温し、還流条件下で、生成水を抜きながら約6時間攪拌した。反応混合物を室温に戻し、トリエチルアミン1gで中和後、トルエンを減圧条件下で50ml留去した後、イオン交換水100gを追加し、氷水で冷却した。生成した結晶を濾別し、得られた結晶をまずイオン交換水50mlで二回リンスした後、60℃温水50mlで二回リンスした。湿結晶を100℃で、減圧乾燥することにより、純度99.7GC面積%のテレフタルアルデヒドトリメチロールエタンジアセタールを30.4g(0.09mol)得た。結晶の融点は247.3℃であった。
IR(cm-1):656,778,804,918,964,977,993,1016,1042,1094,1374,2844,2933,2959,3413
攪拌機、温度計、冷却管付きディーンスタークを装着した500MLの4つ口フラスコにテレフタルアルデヒド13.4g(0.1mol)、p-トルエンスルホン酸一水和物0.67g、トリメチロールプロパン26.4g(0.2mol)、トルエン60ml、N、N-ジメチルホルムアミド60mlを加えた後、昇温し、還流条件下で、生成水を抜きながら約10時間攪拌した。反応混合物を室温に戻し、トリエチルアミン1gで中和後、トルエンを減圧条件下で50ml留去した後、イオン交換水150gを追加し、氷水で冷却した。生成した結晶を濾別し、得られた結晶をまずイオン交換水50mlで二回リンスした後、60℃温水50mlで二回リンスした。湿結晶を100℃で減圧乾燥することにより、純度96.9GC面積%のテレフタルアルデヒドトリメチロールプロパンジアセタールを得た。得られた結晶はイソプロピルアルコール140gを加えて加熱溶解し、イソプロピルアルコールを留去後析出した結晶を濾別し、結晶をイオン交換水50mlで二回リンスした後、湿結晶を100℃で減圧乾燥することにより、純度97.0GC面積%のテレフタルアルデヒドトリメチロールプロパンジアセタールを30.0g(0.08mol)得た。結晶の融点は187.2℃であった。
IR(cm-1):801,971,1000,1018,1099,1379,2855,2928,2967,3355
攪拌機、温度計、冷却管付きディーンスタークを装着した1000MLの4つ口フラスコにオルトフタルアルデヒド40.2g(0.3mol)、p-トルエンスルホン酸一水和物1.0g、トリメチロールエタン75.6g(0.63mol)、キシレン180ml、N-メチルピロリドン180mlを加えた後、昇温し、還流条件下で、生成水を抜きながら約4時間攪拌した。キシレンを減圧条件下で170ml留去した後、反応混合物を室温に戻し、飽和炭酸水素ナトリウム25mlで中和後、イオン交換水400gを追加した。酢酸エチル100mlを追加し、有機層と水層を分液ロートにて分離した。分取した水層へ酢酸エチルを100ml追加し、有機層と水層を分取する操作を合計2回行った。得られた有機層をロータリーエバポレーターにて有機層を濃縮し、純度99.2%(GC面積百分率)のオルトフタルアルデヒドトリメチロールエタンジアセタールを90.2g(0.27mol)得た。
IR(cm-1):663,698,760,920,948,969,1003,1021,1042,1082,1099,1203,1386,1455,2850,2955,3414
原料として、下記構造式で表される9,9-ビス[4-(2-ヒドロキシエトキシ)フェニル]フルオレン(BPEF)22.6470g(0.0516モル)、合成例1で得られたイソフタルアルデヒドトリメチロールエタンジアセタール(以下、化合物1とする)7.4982g(0.0222モル)、ジフェニルカーボネート(DPC)16.2833g(0.0760モル)及び炭酸水素ナトリウム0.6201×10-4g(0.7381×10-6モル)を撹拌機及び留出装置付きの300mL反応器に入れ、系内を窒素雰囲気101.3kPaに設定した。この反応器を200℃に加熱したオイルバスに浸けエステル交換反応を開始した。反応開始から5分後に攪拌を開始し、20分後、10分かけて101.3kPaから26.66kPaまで減圧した。減圧しながら温度を210℃まで加熱し、反応開始後60分で220℃まで昇温し、80分後から10分かけて20.00kPaまで減圧し、温度を240℃まで昇温させるとともに0kPaまで減圧したのち30分間保持した後、反応系内に窒素ガスを導入し、101.3kPaに戻し、ポリカーボネート樹脂を得た。
得られたポリカーボネート樹脂の屈折率は1.6125、アッベ数は25.98、Tgは142℃、ポリスチレン換算重量平均分子量(Mw)は34459であった。原料であるジオール化合物の含有量と得られた樹脂の物性を下記表1に示す。
原料として、化合物1を24.9709g(0.0738モル)、ジフェニルカーボネート(DPC)16.2833g(0.0760モル)及び炭酸水素ナトリウム0.6201×10-4g(0.7381×10-6モル)を用いた以外は実施例1と同様にしてポリカーボネート樹脂を得た。
得られたポリカーボネート樹脂の屈折率は1.536、アッベ数は38.01、Tgは134℃、ポリスチレン換算重量平均分子量(Mw)は34425であった。原料であるジオール化合物の含有量と得られた樹脂の物性を下記表1に示す。
原料として、下記構造式で表される9,9-ビス[4-(2-ヒドロキシエトキシ)フェニル]フルオレン(BPEF)20.9233g(0.0477モル)、合成例3で得られたテレフタルアルデヒドトリメチロールエタンジアセタール(以下、化合物2とする)6.9132g(0.0204モル)、ジフェニルカーボネート(DPC)15.0581g(0.0703モル)及び炭酸水素ナトリウム0.5725×10-4g(0.6814×10-6モル)を撹拌機及び留出装置付きの300mL反応器に入れ、系内を窒素雰囲気101.3kPaに設定した。この反応器を200℃に加熱したオイルバスに浸けエステル交換反応を開始した。反応開始から5分後に攪拌を開始し、20分後、10分かけて101.3kPaから26.66kPaまで減圧した。減圧しながら温度を210℃まで加熱し、反応開始後70分で220℃まで昇温し、90分後から10分かけて20.00kPaまで減圧し、温度を240℃まで昇温させるとともに0kPaまで減圧したのち30分間保持した後、反応系内に窒素ガスを導入し、101.3kPaに戻し、ポリカーボネート樹脂を得た。
得られたポリカーボネート樹脂の屈折率は1.6095、アッベ数は26.09、Tgは153℃、ポリスチレン換算重量平均分子量(Mw)は16844であった。原料であるジオール化合物の含有量と得られた樹脂の物性を下記表1に示す。
下記表1に示す量に変更した以外は、実施例3と同様にポリカーボネート樹脂を得た。得られた樹脂の物性を下記表1に示す。
原料として、BPEF 42.5953g(0.0971モル)、下記構造式で表されるスピログリコール(3,9-ビス(1,1-ジメチル-2-ヒドロキシエチル)-2,4,8,10-テトラオキサスピロ[5.5]ウンデカン)(SPG)12.6658g(0.0416モル)、DPC 30.6188g(0.1429モル)及び炭酸水素ナトリウム1.1656×10-4g(1.3874×10-6モル)を用いた以外は実施例1と同様にしてポリカーボネート樹脂を得た。
得られたポリカーボネート樹脂の屈折率は1.5998、アッベ数は26.53、Tgは134℃、ポリスチレン換算重量平均分子量(Mw)は39,000であった。原料であるジオール化合物の含有量と得られた樹脂の物性を下記表1に示す。
原料として、スピログリコール(3,9-ビス(1,1-ジメチル-2-ヒドロキシエチル)-2,4,8,10-テトラオキサスピロ[5.5]ウンデカン)(SPG)42.2300g(0.0416モル)、DPC 30.6188g(0.1429モル)及び炭酸水素ナトリウム1.1656×10-4g(1.3874×10-6モル)を用いた以外は実施例1と同様にして反応を試みたが、反応中に結晶化してしまい、ポリカーボネート樹脂は得られなかった。
Claims (21)
- ポリカーボネート樹脂又はポリエステルカーボネート樹脂である、請求項1に記載の熱可塑性樹脂。
- 前記一般式(1)におけるR1が、同一又は異なって、それぞれ、メチル基、エチル基、n-プロピル基、iso-プロピル基、n-ブチル基、iso-ブチル基、sec-ブチル基、tert-ブチル基又はフェニル基である、請求項1又は2に記載の熱可塑性樹脂。
- 前記一般式(1)において、R1が、同一又は異なって、それぞれ、メチル基又はエチル基である、請求項3に記載の熱可塑性樹脂。
- 前記一般式(1)において、環Aが、炭素数1~6の直鎖状若しくは分岐鎖状のアルコキシ基、及び炭素数1~6の直鎖状若しくは分岐鎖状のアルキル基からなる群から選択される1~4個の基で置換されていてもよいベンゼン環である、請求項1から4のいずれかに記載の熱可塑性樹脂。
- 前記一般式(1)において、R1が、メチル基又はエチル基であり、環Aが、メチル基及びエチル基からなる群から選択される1~4個の基で置換されていてもよいベンゼン環である、請求項1から5のいずれかに記載の熱可塑性樹脂。
- 前記熱可塑性樹脂が、下記式(2)で表されるモノマー由来の構成単位(B)及び/又は下記式(3)で表されるモノマー由来の構成単位(C)を含む、請求項1から9のいずれかに記載の熱可塑性樹脂。
Ra及びRbは、それぞれ独立に、水素原子、ハロゲン原子、置換基を有してもよい炭素数1~20のアルキル基、置換基を有してもよい炭素数1~20のアルコキシル基、置換基を有してもよい炭素数5~20のシクロアルキル基、置換基を有してもよい炭素数5~20のシクロアルコキシル基、置換基を有してもよい炭素数6~20のアリール基、O、N及びSから選択される1つ以上のヘテロ環原子を含む、置換基を有してもよい炭素数6~20のヘテロアリール基、置換基を有してもよい炭素数6~20のアリールオキシ基、及び、-C≡C-Rhからなる群より選択され、
Rhは置換基を有してもよい炭素数6~20のアリール基、又は、O、N及びSから選択される1つ以上のヘテロ環原子を含む、置換基を有してもよい炭素数6~20のヘテロアリール基を表し、
Xは、単結合であるか、又は置換基を有してもよいフルオレン基を表し、
A及びBは、それぞれ独立に、置換基を有してもよい炭素数1~5のアルキレン基を表し、
m及びnは、それぞれ独立に、0~6の整数を表し、
a及びbは、それぞれ独立に、0~10の整数を表す。)
Rc及びRdは、それぞれ独立に、水素原子、ハロゲン原子、置換基を有してもよい炭素数1~20のアルキル基、置換基を有してもよい炭素数1~20のアルコキシル基、置換基を有してもよい炭素数5~20のシクロアルキル基、置換基を有してもよい炭素数5~20のシクロアルコキシル基、及び、置換基を有してもよい炭素数6~20のアリール基からなる群より選択され、
Y1は、単結合、置換基を有してもよいフルオレン基、又は下記式(4)~(10)で表される構造式のうちいずれかであり、
R61、R62、R71及びR72は、それぞれ独立して、水素原子、ハロゲン原子、置換基を有してもよい炭素数1~20のアルキル基、又は、置換基を有してもよい炭素数6~30のアリール基を表すか、あるいは、R61及びR62、又はR71及びR72が互いに結合して形成する、置換基を有してもよい炭素数1~20の炭素環又は複素環を表し、
r及びsは、それぞれ独立して、0~5000の整数を表す。)
A及びBは、それぞれ独立に、置換基を有してもよい炭素数1~5のアルキレン基を表し、
p及びqは、それぞれ独立に、0~4の整数を表し、
a及びbは、それぞれ独立に、0~10の整数を表す。) - 前記式(2)及び式(3)において、前記A及びBが、それぞれ独立に、炭素数2又は3のアルキレン基を表す、請求項10に記載の熱可塑性樹脂。
- 前記熱可塑性樹脂が、少なくとも、BPEF,BNE,BNEF及びDPBHBNAのいずれかに由来する構成単位を含む、請求項10又は11に記載の熱可塑性樹脂。
- 前記熱可塑性樹脂のポリスチレン換算の重量平均分子量(Mw)が、10,000~200,000である、請求項1から13のいずれかに記載の熱可塑性樹脂。
- 前記熱可塑性樹脂の屈折率(nD)が、1.599~1.750である、請求項1から14のいずれかに記載の熱可塑性樹脂。
- 前記熱可塑性樹脂のアッベ数(ν)が、25.0~33.0である、請求項1から15のいずれかに記載の熱可塑性樹脂。
- 前記熱可塑性樹脂のガラス転移温度が、135~200℃である、請求項1から16のいずれかに記載の熱可塑性樹脂。
- 請求項1から17のいずれかに記載の熱可塑性樹脂又は請求項18に記載の熱可塑性樹脂組成物を含む、光学部材。
- 請求項1から17のいずれかに記載の熱可塑性樹脂又は請求項18に記載の熱可塑性樹脂組成物を含む、光学レンズ。
- 請求項1から17のいずれかに記載の熱可塑性樹脂又は請求項18に記載の熱可塑性樹脂組成物を含む、光学フィルム。
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