WO2021149400A1 - 光学部品 - Google Patents
光学部品 Download PDFInfo
- Publication number
- WO2021149400A1 WO2021149400A1 PCT/JP2020/046598 JP2020046598W WO2021149400A1 WO 2021149400 A1 WO2021149400 A1 WO 2021149400A1 JP 2020046598 W JP2020046598 W JP 2020046598W WO 2021149400 A1 WO2021149400 A1 WO 2021149400A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- structural unit
- cyclic olefin
- optical component
- olefin copolymer
- general formula
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 91
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims abstract description 62
- 239000004713 Cyclic olefin copolymer Substances 0.000 claims abstract description 62
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 35
- -1 cyclic olefin Chemical class 0.000 claims abstract description 33
- 150000001336 alkenes Chemical class 0.000 claims abstract description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- 150000002430 hydrocarbons Chemical group 0.000 claims description 15
- 125000005843 halogen group Chemical group 0.000 claims description 12
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 12
- 125000002950 monocyclic group Chemical group 0.000 claims description 12
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims description 11
- 125000001118 alkylidene group Chemical group 0.000 claims description 11
- 230000009477 glass transition Effects 0.000 claims description 11
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 10
- 239000005977 Ethylene Substances 0.000 claims description 9
- 125000003367 polycyclic group Chemical group 0.000 claims description 9
- JFNLZVQOOSMTJK-UHFFFAOYSA-N norbornene Chemical compound C1C2CCC1C=C2 JFNLZVQOOSMTJK-UHFFFAOYSA-N 0.000 claims description 6
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1 -dodecene Natural products CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 4
- 229940069096 dodecene Drugs 0.000 claims description 3
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 2
- 239000000470 constituent Substances 0.000 abstract 7
- 229920001577 copolymer Polymers 0.000 description 14
- 239000000178 monomer Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 229920005672 polyolefin resin Polymers 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- XBFJAVXCNXDMBH-UHFFFAOYSA-N tetracyclo[6.2.1.1(3,6).0(2,7)]dodec-4-ene Chemical compound C1C(C23)C=CC1C3C1CC2CC1 XBFJAVXCNXDMBH-UHFFFAOYSA-N 0.000 description 6
- 230000007774 longterm Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 5
- 239000011342 resin composition Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 125000000753 cycloalkyl group Chemical group 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- LDTAOIUHUHHCMU-UHFFFAOYSA-N 3-methylpent-1-ene Chemical compound CCC(C)C=C LDTAOIUHUHHCMU-UHFFFAOYSA-N 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VAMFXQBUQXONLZ-UHFFFAOYSA-N n-alpha-eicosene Natural products CCCCCCCCCCCCCCCCCCC=C VAMFXQBUQXONLZ-UHFFFAOYSA-N 0.000 description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 150000003623 transition metal compounds Chemical class 0.000 description 2
- YZFOQJOYMTZTRH-UHFFFAOYSA-N 1-(2-methylbutyl)cyclohexene Chemical compound CCC(C)CC1=CCCCC1 YZFOQJOYMTZTRH-UHFFFAOYSA-N 0.000 description 1
- 229940106006 1-eicosene Drugs 0.000 description 1
- FIKTURVKRGQNQD-UHFFFAOYSA-N 1-eicosene Natural products CCCCCCCCCCCCCCCCCC=CC(O)=O FIKTURVKRGQNQD-UHFFFAOYSA-N 0.000 description 1
- KKDZMSWHDHBHEU-UHFFFAOYSA-N 3,4-dimethylcyclohexene Chemical compound CC1CCC=CC1C KKDZMSWHDHBHEU-UHFFFAOYSA-N 0.000 description 1
- OLGHJTHQWQKJQQ-UHFFFAOYSA-N 3-ethylhex-1-ene Chemical compound CCCC(CC)C=C OLGHJTHQWQKJQQ-UHFFFAOYSA-N 0.000 description 1
- YPVPQMCSLFDIKA-UHFFFAOYSA-N 3-ethylpent-1-ene Chemical compound CCC(CC)C=C YPVPQMCSLFDIKA-UHFFFAOYSA-N 0.000 description 1
- UZPWKTCMUADILM-UHFFFAOYSA-N 3-methylcyclohexene Chemical compound CC1CCCC=C1 UZPWKTCMUADILM-UHFFFAOYSA-N 0.000 description 1
- SUJVAMIXNUAJEY-UHFFFAOYSA-N 4,4-dimethylhex-1-ene Chemical compound CCC(C)(C)CC=C SUJVAMIXNUAJEY-UHFFFAOYSA-N 0.000 description 1
- KLCNJIQZXOQYTE-UHFFFAOYSA-N 4,4-dimethylpent-1-ene Chemical compound CC(C)(C)CC=C KLCNJIQZXOQYTE-UHFFFAOYSA-N 0.000 description 1
- OPMUAJRVOWSBTP-UHFFFAOYSA-N 4-ethyl-1-hexene Chemical compound CCC(CC)CC=C OPMUAJRVOWSBTP-UHFFFAOYSA-N 0.000 description 1
- SUWJESCICIOQHO-UHFFFAOYSA-N 4-methylhex-1-ene Chemical compound CCC(C)CC=C SUWJESCICIOQHO-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- JWRZBGBZMMABHQ-UHFFFAOYSA-N C=CC=CCCCCCC.C1=CC=CC1.C1=CC=CC1.C1=CC=CC1.C1=CC=CC1.C1=CC=CC1 Chemical class C=CC=CCCCCCC.C1=CC=CC1.C1=CC=CC1.C1=CC=CC1.C1=CC=CC1.C1=CC=CC1 JWRZBGBZMMABHQ-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 238000005698 Diels-Alder reaction Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- CFBGXYDUODCMNS-UHFFFAOYSA-N cyclobutene Chemical compound C1CC=C1 CFBGXYDUODCMNS-UHFFFAOYSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- HANKSFAYJLDDKP-UHFFFAOYSA-N dihydrodicyclopentadiene Chemical compound C12CC=CC2C2CCC1C2 HANKSFAYJLDDKP-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- OTTZHAVKAVGASB-UHFFFAOYSA-N hept-2-ene Chemical class CCCCC=CC OTTZHAVKAVGASB-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010102 injection blow moulding Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F232/00—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
- C08F232/02—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings
- C08F232/04—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings having one carbon-to-carbon double bond
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
Definitions
- the present invention relates to optical components.
- Cyclic olefin copolymers are used as optical components such as optical lenses because they have excellent optical performance.
- Examples of the technique relating to the cyclic olefin-based copolymer used for the optical component include those described in Patent Document 1 (Japanese Unexamined Patent Publication No. 2015-199939).
- Patent Document 1 discloses a cyclic olefin resin composition containing a cyclic olefin copolymer and a diglycerin fatty acid ester. Patent Document 1 describes that when such a cyclic olefin resin composition is used, a molded product having excellent optical performance and further suppressing deterioration of optical performance under high temperature and high humidity conditions can be obtained.
- Cyclic olefin copolymers are widely used in optical components such as camera lenses because of their excellent optical properties and mechanical properties.
- the optical component containing the cyclic olefin copolymer is exposed to a high temperature environment for a long time, the refractive index may change and the optical performance may deteriorate. I found that there is.
- the present invention has been made in view of the above circumstances, and provides an optical component having a high refractive index and excellent long-term reliability of optical performance in a high temperature environment.
- the cyclic olefin copolymer (A) is The structural unit (a) derived from at least one olefin represented by the following general formula (I) and A structural unit (b) derived from at least one cyclic olefin represented by the following general formula (II) and It has a structural unit (c) derived from at least one cyclic olefin represented by the following general formula (III), and has.
- An optical component in which the content of the structural unit (a) is 50 mol% or less when the total content of the structural unit (a), the structural unit (b) and the structural unit (c) is 100 mol%.
- R 300 represents a hydrogen atom or a linear or branched hydrocarbon group having 1 to 29 carbon atoms.
- R 1 to R 8 are independently hydrogen atoms, halogen atoms or hydrocarbon groups having 4 or less carbon atoms, and R 5 to R 8 are bonded to each other to form a single ring.
- n is 0 or 1
- m is 0 or a positive integer
- n + m is a positive integer
- q is 0 or 1
- a and R b are independently hydrogen atoms, halogen atoms or hydrocarbon groups, and R 15 to R 18 may be bonded to each other to form a monocyclic or polycyclic ring, and the monocyclic or polycyclic ring or polycycle may be formed.
- the ring may have a double bond and may form an alkylidene group with R 15 and R 16 or with R 17 and R 18).
- Tg glass transition point
- An optical component in which the ratio ((b) / (c)) of the content of the structural unit (b) to the content of the structural unit (c) in the cyclic olefin copolymer (A) is 2 or more. .. [4] In the optical component according to any one of the above [1] to [3].
- the structural unit (b) in the cyclic olefin copolymer (A) contains a repeating unit derived from bicyclo [2.2.1] -2-heptene, and is contained in the cyclic olefin copolymer (A).
- the above-mentioned structural unit (c) is tetracyclo [4.4.0.1 2,5 . 1 7, 10 ] -3- An optical component containing a repeating unit derived from dodecene. [5] In the optical component according to any one of the above [1] to [4], An optical component in which the structural unit (a) in the cyclic olefin copolymer (A) contains a repeating unit derived from ethylene.
- optical component In the optical component according to any one of the above [1] to [5], An optical component that is an f ⁇ lens, an imaging lens, a sensor lens, a prism, or a light guide plate. [7] In the optical component according to any one of the above [1] to [6]. Optical components that are in-vehicle camera lenses or camera lenses for mobile devices.
- an optical component having a high refractive index and excellent long-term reliability of optical performance in a high temperature environment.
- the optical component according to the present embodiment is an optical component containing the cyclic olefin copolymer (A), and the cyclic olefin copolymer (A) is at least one kind represented by the following general formula (I).
- the structural unit (c) derived from the cyclic olefin When the structural unit (c) derived from the cyclic olefin is provided and the total content of the structural unit (a), the structural unit (b) and the structural unit (c) is 100 mol%, the structural unit (a) ) Is 50 mol% or less.
- R 300 represents a hydrogen atom or a linear or branched hydrocarbon group having 1 to 29 carbon atoms.
- R 1 to R 8 are independently hydrogen atoms, halogen atoms or hydrocarbon groups having 4 or less carbon atoms, and R 5 to R 8 are bonded to each other to form a single ring. it may also be, and may be monocyclic has have a double bond, or may form a R 5 and by the R 6, or alkylidene group and R 7 and R 8.
- n is 0 or 1
- m is 0 or a positive integer
- n + m is a positive integer
- q is 0 or 1
- a and R b are independently hydrogen atoms, halogen atoms or hydrocarbon groups
- R 15 to R 18 may be bonded to each other to form a monocyclic or polycyclic ring, and the monocyclic or polycyclic ring or polycycle may be formed.
- the ring may have a double bond and may form an alkylidene group with R 15 and R 16 or with R 17 and R 18).
- the refractive index of an optical component containing a cyclic olefin-based copolymer changes and the optical performance deteriorates when exposed to a high temperature environment for a long time. ..
- the present inventors have diligently studied to solve the above problems.
- a cyclic olefin system having the above-mentioned structural unit (c) derived from at least one cyclic olefin represented by the general formula (III), and the content of the above-mentioned structural unit (a) being 50 mol% or less. It has been found that the optical component using the copolymer (A) has a high refractive index, the refractive index does not easily decrease even when exposed to a high temperature environment for a long time, and the optical performance is excellent in long-term reliability.
- the present embodiment it is possible to realize an optical component having a high refractive index and excellent long-term reliability of optical performance in a high temperature environment.
- the lower limit of the content of the cyclic olefin copolymer (A) in the optical component according to the present embodiment is preferably 50% by mass or more, more preferably 70% by mass, when the entire optical component is 100% by mass. Above, it is more preferably 80% by mass or more, even more preferably 90% by mass or more, and particularly preferably 95% by mass or more. When the content of the cyclic olefin copolymer (A) in the optical component according to the present embodiment is at least the above lower limit value, the optical performance can be further improved.
- the upper limit of the content of the cyclic olefin copolymer (A) in the optical component according to the present embodiment is not particularly limited, but is, for example, 100% by mass or less.
- the optical component according to this embodiment contains the cyclic olefin copolymer (A), it has excellent optical performance. Therefore, it can be suitably used as an optical component in an optical system that needs to identify an image with high accuracy.
- Optical components are components used in optical system equipment and the like, and specific examples thereof include sensor lenses, pickup lenses, projector lenses, prisms, f ⁇ lenses, imaging lenses, light guide plates, etc., which are lenses used for various sensors. Therefore, from the viewpoint of the effect according to the present embodiment, it can be suitably used for an f ⁇ lens, an imaging lens, a sensor lens, a prism or a light guide plate.
- an optical component containing a cyclic olefin copolymer (A) having a glass transition point in the range of 140 ° C. or higher satisfies moisture heat resistance while having high heat resistance. Therefore, optical components containing the cyclic olefin copolymer (A) having a glass transition point in the range of 140 ° C. or higher have heat resistance of in-vehicle camera lenses and camera lenses for mobile devices (mobile phones, smartphones, tablets, etc.). It can be particularly preferably used for the required optical components.
- the in-vehicle camera lens and the camera lens for a portable device include a view camera lens, a sensing camera lens, a lens for light convergence of a head-up display, and a lens for light diffusion of a head-up display.
- the optical component according to the present embodiment may be combined with a second optical component different from the above optical component.
- the second optical component is not particularly limited, and for example, an optical component composed of at least one resin selected from a polycarbonate resin and a polyester resin can be used.
- the cyclic olefin copolymer (A) has a structural unit (a) derived from at least one olefin represented by the general formula (I) and at least one cyclic represented by the general formula (II). It has a structural unit (b) derived from an olefin and a structural unit (c) derived from at least one cyclic olefin represented by the above general formula (III).
- R 300 represents a hydrogen atom or a linear or branched hydrocarbon group having 1 to 29 carbon atoms.
- the olefin monomer for forming the structural unit (a) include ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 3-methyl-1-pentene, 3-methyl-1-pentene, and 3 -Ethyl-1-pentene, 4-methyl-1-pentene, 4-methyl-1-hexene, 4,4-dimethyl-1-hexene, 4,4-dimethyl-1-pentene, 4-ethyl-1-hexene , 3-Ethyl-1-hexene, 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicosene and the like.
- ethylene or propylene is preferable, and ethylene is particularly preferable, from the viewpoint of obtaining an optical component having more excellent heat resistance, mechanical properties and optical properties.
- One type of olefin monomer for forming the structural unit (a) may be used alone, or two or more types may be used in combination.
- the structural unit (a) when the total content of the structural unit (a), the structural unit (b) and the structural unit (c) is 100 mol%, the structural unit (a)
- the content of is 50 mol% or less, preferably 49 mol% or less, more preferably 48 mol% or less, and preferably 35 mol% or more, more preferably, from the viewpoint of improving the heat resistance of the optical component. It is preferably 40 mol% or more.
- the content of the structural unit (a) can be measured by 13 C-NMR.
- R 1 to R 8 are independently hydrogen atoms, halogen atoms, or hydrocarbon groups having 4 or less carbon atoms.
- the halogen atom is a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
- the hydrocarbon group having 4 or less carbon atoms include an alkyl group such as a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group and an isobutyl group, and a cycloalkyl group such as a cyclopropyl group.
- R 5 to R 8 may be bonded to each other to form a single ring, and the mono ring may have a double bond, and R 5 and R 6 or R 7 and the same. in the R 8 may form an alkylidene group.
- the single ring formed here is illustrated below.
- the carbon atoms numbered 1 or 2 form an alicyclic structure to which R 5 (R 6 ) or R 7 (R 8) is bonded in the general formula (II). It is a carbon atom.
- R 5 (R 6 ) or R 7 (R 8) is bonded in the general formula (II). It is a carbon atom.
- the alkylidene group include an ethylidene group, a propyridene group, and an isopropylidene group.
- Examples of the cyclic olefin monomer for forming the structural unit (b) include bicyclo [2.2.1] -2-heptene (also referred to as norbornene) and bicyclo [2.2.1] having 11 or less carbon atoms. ] Hept-2-ene derivative, tricyclo [4.3.0.1 2,5 ] -3-decene derivative, tricyclo [4.4.0.1 2,5 ] -3-undecene and the like can be mentioned. Among these, bicyclo [2.2.1] -2-heptene is preferable. As the cyclic olefin monomer for forming the structural unit (b), one type may be used alone, or two or more types may be used in combination.
- the structural unit (b) when the total content of the structural unit (a), the structural unit (b) and the structural unit (c) is 100 mol%, the structural unit (b)
- the content of is preferably 25 mol% or more and 64 mol% or less, and more preferably 30 mol% or more and 60 mol% from the viewpoint of improving the long-term reliability of optical performance in a high temperature environment and the balance between refractive index and heat resistance. Below, it is more preferably 35 mol% or more and 55 mol% or less, and particularly preferably 40 mol% or more and 55 mol% or less.
- the content of the structural unit (b) can be measured by 13 C-NMR.
- n is 0 or 1
- m is 0 or a positive integer
- n + m is a positive integer
- q is 0 or 1.
- Ra and R b independently represent the following atoms or hydrocarbon groups, and when q is 0, the respective bonds are bonded to form a 5-membered ring.
- R 1 to R 18 and Ra and R b are independently hydrogen atoms, halogen atoms or hydrocarbon groups, respectively.
- the halogen atom is the same as the halogen atom in the above general formula (II).
- examples of the hydrocarbon group include an alkyl group having 1 to 20 carbon atoms and a cycloalkyl group having 3 to 15 carbon atoms, respectively. More specifically, examples of the alkyl group include a methyl group, an ethyl group, a propyl group, an isopropyl group, an amyl group, a hexyl group, an octyl group, a decyl group, a dodecyl group and an octadecyl group, and examples of the cycloalkyl group include a cycloalkyl group. Cyclohexyl groups can be mentioned. These groups may be substituted with halogen atoms.
- R 15 and R 16 are, the R 17 and R 18 are, the R 15 and R 17 are, the R 16 and R 18 are, and the R 15 and R 18, or, R 16 and R 17 may be coupled (jointly with each other) to form a monocyclic or polycyclic, and the monocyclic or polycyclic thus formed has a double bond. You may be doing it.
- the monocyclic or polycyclic ring formed here is exemplified below.
- the carbon atoms numbered 1 or 2 form an alicyclic structure to which R 15 (R 16 ) or R 17 (R 18) is bonded in the general formula (III). It is a carbon atom.
- an alkylidene group may be formed by R 15 and R 16 or by R 17 and R 18.
- Examples of such an alkylidene group usually include an alkylidene group having 2 to 20 carbon atoms, and specific examples thereof include an ethylidene group, a propylidene group and an isopropylidene group.
- Examples of the cyclic olefin monomer for forming the structural unit (c) include tetracyclo [4.4.0.1 2,5 . 17,10 ] -3-dodecene (also called tetracyclododecene), tricyclo [4.3.0.1 2,5 ] -3-decene derivative with 12 or more carbon atoms, tricyclo [4.3.0] .1 2,5 ] -3-Undecene derivative, tetracyclo [4.4.0.1 2,5 . 1 7, 10 ] -3-dodecene derivative, pentacyclo [6.6.1.1 3,6 . 0 2,7 .
- cyclic olefin monomer for forming the structural unit (c) one type may be used alone, or two or more types may be used in combination.
- the structural unit (c) when the total content of the structural unit (a), the structural unit (b) and the structural unit (c) is 100 mol%, the structural unit (c)
- the content of the above is preferably 1 mol% or more and 25 mol% or less, more preferably 3 mol% or more and 20 mol% or less, from the viewpoint of facilitating the maintenance of a high refractive index of the optical component.
- the content of the structural unit (c) can be measured by 13 C-NMR.
- the ratio ((b) / (c)) of the content of the structural unit (b) to the content of the structural unit (c) is 2 or more. It is preferably present, and more preferably 3 or more.
- (b) / (c) is at least the above lower limit value, an optical component having a higher refractive index and a longer-term reliability of optical performance in a high temperature environment can be obtained.
- the upper limit of (b) / (c) is not particularly limited, but is preferably 13 or less, for example.
- the cyclic olefin monomer for forming the structural unit (b) and the cyclic olefin monomer for forming the structural unit (c) are, for example, a Diels-Alder reaction of cyclopentadiene and olefins having a corresponding structure. Manufactured by.
- the cyclic olefin copolymer (A) contains a structural unit derived from another copolymerizable monomer, if necessary, as long as the object of the present invention is not impaired. May be good.
- examples of such other monomers include cyclic olefin monomers for forming the structural unit (b) and cyclic olefins other than the cyclic olefin monomer for forming the structural unit (c), and examples thereof include cyclobutene, cyclopentene, and the like.
- Cyclohexene, 3,4-dimethylcyclohexene, 3-methylcyclohexene, 2- (2-methylbutyl) -1-cyclohexene, 3a, 5,6,7a-tetrahydro-4,7-methano-1H-indene and the like can be mentioned. These may be used alone or in combination. Further, other olefins such as styrene and ⁇ -methylstyrene are also mentioned.
- the cyclic olefin copolymer (A) according to the present embodiment does not substantially contain a gel-like crosslinked polymer and has a substantially linear structure which may have a branched structure. Is preferable. It can be confirmed that the copolymer has a substantially linear structure by dissolving the copolymer in an organic solvent and containing no insoluble matter. For example, when measuring the ultimate viscosity [ ⁇ ] as described later, it can be confirmed by completely dissolving the copolymer in decalin at 135 ° C.
- the cyclic olefin copolymer (A) has a limit viscosity ([ ⁇ ]) measured in decalin at 135 ° C., preferably 0.1 to 2.0 dl / g, more preferably. Is 0.15 to 1.7 dl / g.
- the copolymerization type of the cyclic olefin copolymer (A) according to the present embodiment is not particularly limited, and examples thereof include random copolymers and block copolymers.
- the cyclic olefin copolymer (A) according to the present embodiment from the viewpoint of being excellent in optical properties such as transparency, refractive index and birefringence, and being able to obtain highly accurate optical components. It is preferable to use a random copolymer.
- the structural unit (b) contains a repeating unit derived from bicyclo [2.2.1] -2-heptene, and the cyclic olefin copolymer (A).
- the structural unit (c) in) is tetracyclo [4.4.0.1 2,5 . It is preferable to include repeating units derived from 17 and 10] -3-dodecene.
- Examples of the cyclic olefin copolymer (A) according to the present embodiment include ethylene, bicyclo [2.2.1] -2-heptene, and tetracyclo [4.4.0.1 2,5 .
- a random copolymer with 17 and 10 ] -3-dodecene is preferred.
- one type of cyclic olefin copolymer (A) may be used alone, or two or more types may be used in combination.
- the cyclic olefin copolymer (A) according to the present embodiment is, for example, JP-A-60-168708, JP-A-61-12816, JP-A-61-115912, JP-A-61-
- JP-A-60-168708 JP-A-61-12816, JP-A-61-115912
- JP-A-61- By appropriately selecting the conditions according to the methods of JP-A-115916, JP-A-61-272118, JP-A-61-272216, JP-A-62-252406, JP-A-62-252407, etc. Can be manufactured.
- the glass transition point (Tg) of the cyclic olefin copolymer (A) according to the present embodiment is preferably 140 ° C. or higher, more preferably 143 ° C. or higher, and even more preferably 145 ° C. or higher. , 150 ° C. or higher is even more preferable.
- the glass transition point (Tg) of the cyclic olefin copolymer (A) is within the above range, it is even better when used as an optical component that requires heat resistance, such as an in-vehicle camera lens or a camera lens for a portable device. Heat resistance can be obtained.
- the upper limit of the glass transition point (Tg) of the cyclic olefin copolymer (A) according to the present embodiment is not particularly limited, but from the viewpoint of moldability, 180 ° C. or lower is preferable, and 170 ° C. or lower is more preferable.
- the glass transition point (Tg) of the cyclic olefin copolymer (A) according to the present embodiment can be measured using a differential scanning calorimeter (DSC).
- DSC differential scanning calorimeter
- the optical component according to the present embodiment contains an additive known as an optional component as an optional component within a range that does not impair the good physical characteristics of the optical component according to the present embodiment. Can be done.
- Additives include, for example, hydrophilic stabilizers, hydrophilic agents, antioxidants, secondary antioxidants, lubricants, mold release agents, antifogging agents, weatherproof stabilizers, light stabilizers, UV absorbers, antistatic agents.
- the hydrophilic stabilizer is preferably a fatty acid ester of a fatty acid and a polyhydric alcohol. Fatty acid esters with fatty acids and polyhydric alcohols having one or more ether groups are more preferred.
- the optical component according to the present embodiment can be produced by molding a cyclic olefin resin composition containing the cyclic olefin copolymer (A) into a predetermined shape.
- the method for obtaining the optical component by molding the cyclic olefin resin composition is not particularly limited, and a known method can be used.
- extrusion molding, injection molding, inflation molding, blow molding, extrusion blow molding, injection blow molding, press molding, vacuum molding, powder slush molding, calendar molding, foam molding and the like can be applied. Is. Among these, the injection molding method is preferable from the viewpoint of moldability and productivity.
- the molding conditions are appropriately selected depending on the purpose of use or the molding method.
- the resin temperature in injection molding is usually 150 ° C. to 400 ° C., preferably 200 ° C. to 350 ° C., more preferably 230 ° C. to 330 ° C. It is appropriately selected in the range.
- the cyclic olefin copolymer (A) and other components added as necessary are mixed with a known kneading device such as an extruder and a Banbury mixer.
- a known kneading device such as an extruder and a Banbury mixer.
- Method of melting and kneading a method of dissolving the cyclic olefin copolymer (A) and other components added as necessary in a common solvent and then evaporating the solvent; a cyclic olefin copolymer in a poor solvent. It can be obtained by a method of adding and precipitating a solution of the coalescence (A) and other components added as needed;
- the decalcified polymerization solution was added to a beaker containing about 4 times the volume of acetone with respect to the polymerization solution under stirring to precipitate a copolymer, and the precipitated copolymer was separated from the filtrate by filtration.
- the obtained polymer containing the solvent was dried under reduced pressure at 130 ° C. for 10 hours, 2.72 g of a white powdery ethylene / tetracyclododecene / norbornene copolymer was obtained. From the above, a cyclic olefin copolymer (P-1) was obtained.
- Glass transition point (Tg) The glass transition point (Tg) of the cyclic olefin copolymer was measured under an N 2 (nitrogen) atmosphere using DSC-6220 manufactured by Shimadzu Science Co., Ltd. The cyclic olefin copolymer was heated from room temperature to 200 ° C. at a heating rate of 10 ° C./min and then held for 5 minutes, and then cooled to ⁇ 20 ° C. at a temperature decreasing rate of 10 ° C./min and then held for 5 minutes. .. Then, the glass transition point (Tg) of the cyclic olefin copolymer was determined from the endothermic curve when the temperature was raised to 200 ° C. at a heating rate of 10 ° C./min.
- Example 1 Using an injection molding machine (ROBOSHOT ⁇ -S30iA manufactured by FANUC), a cyclic olefin resin (P-1) is injection-molded under the conditions of a cylinder temperature of 275 ° C. and a mold temperature of 125 ° C., and 65 mm ⁇ 35 mm ⁇ thickness 3 mmt. The injection-molded sheet of was produced. Each of the following evaluations was performed on the obtained injection-molded sheet. The results obtained are shown in Table 1.
- Refractive index The refractive index (refractive index) of an injection-molded sheet of 30 mm ⁇ 30 mm ⁇ thickness 2.0 mm molded with a microcompound according to ASTM D542 using a refractive index meter (KPR200 manufactured by Shimadzu Science Co., Ltd.) at a wavelength of 589 nm. nd) was measured.
- the refractive index (nd) of the injection-molded sheet at a wavelength of 589 nm was measured before and after the heat resistance test described below.
- Examples 2 to 8 and Comparative Examples 1 to 4 An injection molded sheet was prepared in the same manner as in Example 1 except that the type of the cyclic olefin copolymer was changed to the polymer shown in Table 1, and the heat resistance test temperature in the heat resistance test was set to the temperature shown in Table 1. Was evaluated in the same manner as in Example 1. The results obtained are shown in Table 1, respectively.
Abstract
Description
光学部品に用いられる環状オレフィン系共重合体に関する技術としては、例えば、特許文献1(特開2015-199939号公報)に記載のものが挙げられる。
しかしながら、本発明者らの検討によれば、環状オレフィン系共重合体を含む光学部品は、高温環境下に長時間曝されると、屈折率が変化して光学性能が劣化してしまう場合があることを見出した。
環状オレフィン系共重合体(A)を含む光学部品であって、
上記環状オレフィン系共重合体(A)は、
下記一般式(I)で表される少なくとも1種のオレフィン由来の構成単位(a)と、
下記一般式(II)で表される少なくとも1種の環状オレフィン由来の構成単位(b)と、
下記一般式(III)で表される少なくとも1種の環状オレフィン由来の構成単位(c)と、を有し、
上記構成単位(a)、構成単位(b)および構成単位(c)の合計含有量を100モル%としたとき、上記構成単位(a)の含有量が50モル%以下である光学部品。
[2]
上記[1]に記載の光学部品において、
DSCにより測定される上記環状オレフィン系共重合体(A)のガラス転移点(Tg)が140℃以上である光学部品。
[3]
上記[1]または[2]に記載の光学部品において、
上記環状オレフィン系共重合体(A)中の上記構成単位(b)の含有量と上記構成単位(c)の含有量との比((b)/(c))が2以上である光学部品。
[4]
上記[1]乃至[3]のいずれか一つに記載の光学部品において、
上記環状オレフィン系共重合体(A)中の上記構成単位(b)がビシクロ[2.2.1]-2-ヘプテンに由来する繰り返し単位を含み、上記環状オレフィン系共重合体(A)中の上記構成単位(c)がテトラシクロ[4.4.0.12,5.17,10]-3-ドデセンに由来する繰り返し単位を含む光学部品。
[5]
上記[1]乃至[4]のいずれか一つに記載の光学部品において、
上記環状オレフィン系共重合体(A)中の上記構成単位(a)がエチレンに由来する繰り返し単位を含む光学部品。
[6]
上記[1]乃至[5]のいずれか一つに記載の光学部品において、
fθレンズ、撮像レンズ、センサーレンズ、プリズムまたは導光板である光学部品。
[7]
上記[1]乃至[6]のいずれか一つに記載の光学部品において、
車載カメラレンズまたは携帯機器用カメラレンズである光学部品。
まず、本発明に係る実施形態の光学部品について説明する。
本実施形態に係る光学部品は、環状オレフィン系共重合体(A)を含む光学部品であって、環状オレフィン系共重合体(A)は、下記一般式(I)で表される少なくとも1種のオレフィン由来の構成単位(a)と、下記一般式(II)で表される少なくとも1種の環状オレフィン由来の構成単位(b)と、下記一般式(III)で表される少なくとも1種の環状オレフィン由来の構成単位(c)と、を有し、上記構成単位(a)、構成単位(b)および構成単位(c)の合計含有量を100モル%としたとき、上記構成単位(a)の含有量が50モル%以下である。
本発明者らは上記課題を解決すべく鋭意検討した。その結果、上記一般式(I)で表される少なくとも1種のオレフィン由来の構成単位(a)と、上記一般式(II)で表される少なくとも1種の環状オレフィン由来の構成単位(b)と、上記一般式(III)で表される少なくとも1種の環状オレフィン由来の構成単位(c)と、を有し、上記構成単位(a)の含有量が50モル%以下である環状オレフィン系共重合体(A)を用いた光学部品は屈折率が高く、かつ、高温環境下に長時間曝しても屈折率の低下が起き難く、光学性能の長期信頼性に優れることを見出した。
本実施形態に係る光学部品中の環状オレフィン系共重合体(A)の含有量の上限は特に限定されないが、例えば、100質量%以下である。
特に、ガラス転移点が140℃以上の範囲にある環状オレフィン系共重合体(A)を含む光学部品は、高い耐熱性を有しながらも耐湿熱性を満足する。
そのためガラス転移点が140℃以上の範囲にある環状オレフィン系共重合体(A)を含む光学部品は車載カメラレンズや携帯機器(携帯電話、スマートフォン、タブレット等)用のカメラレンズ等の耐熱性が求められる光学部品にとりわけ好適に用いることができる。車載カメラレンズや携帯機器用カメラレンズとしては、例えば、ビューカメラレンズ、センシングカメラレンズ、ヘッドアップディスプレイの光収束用レンズ、ヘッドアップディスプレイの光拡散用レンズ等が挙げられる。
上記第2の光学部品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およびポリエステル樹脂から選択される少なくとも一種の樹脂により構成された光学部品を用いることができる。
環状オレフィン系共重合体(A)は、上記一般式(I)で表される少なくとも1種のオレフィン由来の構成単位(a)と、上記一般式(II)で表される少なくとも1種の環状オレフィン由来の構成単位(b)と、上記一般式(III)で表される少なくとも1種の環状オレフィン由来の構成単位(c)と、を有する。
上記一般式(I)において、R300は水素原子または炭素原子数1~29の直鎖状または分岐状の炭化水素基を示す。構成単位(a)を形成するためのオレフィンモノマーとしては、例えば、エチレン、プロピレン、1-ブテン、1-ペンテン、1-ヘキセン、3-メチル-1-ブテン、3-メチル-1-ペンテン、3-エチル-1-ペンテン、4-メチル-1-ペンテン、4-メチル-1-ヘキセン、4,4-ジメチル-1-ヘキセン、4,4-ジメチル-1-ペンテン、4-エチル-1-ヘキセン、3-エチル-1-ヘキセン、1-オクテン、1-デセン、1-ドデセン、1-テトラデセン、1-ヘキサデセン、1-オクタデセン、1-エイコセン等が挙げられる。より優れた耐熱性、機械的特性および光学特性を有する光学部品得る観点から、これらの中でも、エチレンまたはプロピレンが好ましく、エチレンが特に好ましい。構成単位(a)を形成するためのオレフィンモノマーは1種類を単独で用いてもよいし、2種類以上を併用してもよい。
なお、構成単位(a)の含有量は、13C-NMRによって測定することができる。
上記一般式(II)において、R1~R8はそれぞれ独立に、水素原子、ハロゲン原子または炭素数4以下の炭化水素基である。ここで、ハロゲン原子は、フッ素原子、塩素原子、臭素原子またはヨウ素原子である。
炭素数4以下の炭化水素基としては、メチル基、エチル基、プロピル基、イソプロピル基、n-ブチル基、イソブチル基等のアルキル基、シクロプロピル基等のシクロアルキル基が挙げられる。
またR5~R8は互いに結合して単環を形成していてもよく、かつ該単環が二重結合を有していてもよく、またR5とR6とで、またはR7とR8とでアルキリデン基を形成していてもよい。
ここで形成される単環を、以下に例示する。
またアルキリデン基としては、具体的にエチリデン基、プロピリデン基、イソプロピリデン基が挙げられる。
構成単位(b)を形成するための環状オレフィンモノマーは1種類を単独で用いてもよいし、2種類以上を併用してもよい。
なお、構成単位(b)の含有量は、13C-NMRによって測定することができる。
上記一般式(III)において、nは0または1であり、mは0または正の整数であり、n+mは正の整数であり、qは0または1である。なお、qが1の場合には、RaおよびRbは、それぞれ独立に、下記の原子または炭化水素基を表し、qが0の場合には、それぞれの結合手が結合して5員環を形成する。
また上記一般式(III)において、R1~R18ならびにRaおよびRbは、それぞれ独立に、水素原子、ハロゲン原子または炭化水素基である。ここでハロゲン原子は、上記一般式(II)におけるハロゲン原子と同じである。
ここで形成される単環または多環は、以下に例示される。
これらの中でも、テトラシクロ[4.4.0.12,5.17,10]-3-ドデセンが好ましい。
構成単位(c)を形成するための環状オレフィンモノマーは1種類を単独で用いてもよいし、2種類以上を併用してもよい。
なお、構成単位(c)の含有量は、13C-NMRによって測定することができる。
このような他のモノマーとしては、構成単位(b)を形成するための環状オレフィンモノマーや構成単位(c)を形成するための環状オレフィンモノマー以外の環状オレフィンが挙げられ、例えば、シクロブテン、シクロペンテン、シクロヘキセン、3,4-ジメチルシクロヘキセン、3-メチルシクロヘキセン、2-(2-メチルブチル)-1-シクロヘキセン、3a,5,6,7a-テトラヒドロ-4,7-メタノ-1H-インデン等が挙げられる。
これらは、単独であるいは組み合わせて用いられる。さらにスチレン、α-メチルスチレン等の他のオレフィン類も挙げられる。
また本実施形態に係る環状オレフィン系共重合体(A)は、135℃のデカリン中で測定される極限粘度([η])が好ましくは0.1~2.0dl/gであり、より好ましくは0.15~1.7dl/gである。上記のような極限粘度([η])を有していると、機械的強度が低下することがなく成形性に優れているとともに、分子量上昇に伴う溶融流動性への影響が少ない。
本実施形態に係る環状オレフィン系共重合体(A)としては、エチレンとビシクロ[2.2.1]-2-ヘプテンとテトラシクロ[4.4.0.12,5.17,10]-3-ドデセンとのランダム共重合体が好ましい。
本実施形態に係る光学部品には、環状オレフィン系共重合体(A)以外に、本実施形態に係る光学部品の良好な物性を損なわない範囲内で任意成分として公知の添加剤を含有させることができる。
添加剤としては、例えば、親水性安定剤、親水剤、酸化防止剤、二次抗酸化剤、滑剤、離型剤、防曇剤、耐候安定剤、耐光安定剤、紫外線吸収剤、帯電防止剤、金属不活性化剤、フェノール系安定剤、高級脂肪酸金属塩、ヒンダードアミン系光安定剤、塩酸吸収剤、スリップ剤、核剤、可塑剤、難燃剤、リン系安定剤等が挙げられる。
親水性安定剤を含むと、高温高湿条件下における光学性能の劣化が抑制でき、より好ましい。
親水性安定剤は、脂肪酸と多価アルコールとの脂肪酸エステルが好ましい。脂肪酸とエーテル基を1つ以上有する多価アルコールとの脂肪酸エステルがより好ましい。
本実施形態に係る光学部品は、環状オレフィン系共重合体(A)を含む環状オレフィン系樹脂組成物を所定の形状に成形することにより製造することができる。
環状オレフィン系樹脂組成物を成形して光学部品を得る方法としては特に限定されるものではなく、公知の方法を用いることができる。その用途および形状にもよるが、例えば、押出成形、射出成形、インフレーション成形、ブロー成形、押出ブロー成形、射出ブロー成形、プレス成形、真空成形、パウダースラッシュ成形、カレンダー成形、発泡成形等が適用可能である。これらの中でも、成形性、生産性の観点から射出成形法が好ましい。また、成形条件は使用目的、または成形方法により適宜選択されるが、例えば射出成形における樹脂温度は、通常150℃~400℃、好ましくは200℃~350℃、より好ましくは230℃~330℃の範囲で適宜選択される。
また、本発明は前述の実施形態に限定されるものではなく、本発明の目的を達成できる範囲での変形、改良等は本発明に含まれるものである。
[製造例1]
攪拌装置を備えた容積500mlのガラス製反応容器に不活性ガスとして窒素を100Nl/hrの流量で30分間流通させた後、シクロヘキサン、テトラシクロ[4.4.0.12,5.17,10]-3-ドデセン(10mmol、以下、テトラシクロドデセン(表1ではTDと示す)とも呼ぶ。)、および2-ノルボルネン(45mmol、表1ではNBと示す)を加えた。次いで回転数600rpmで重合溶媒を攪拌しながら溶媒温度を50℃に昇温した。溶媒温度が所定の温度に達した後、流通ガスを窒素からエチレンに切り替え、エチレンを50Nl/hr、水素を0.2Nl/hrの供給速度で反応容器に流通させ、10分経過した後に、メチルアルミノキサン(MMAO)(0.9mmol)、WO2017/150218の段落0158および0159に記載の遷移金属化合物(1)におけるチタンをジルコニウムに変更した触媒(0.003mmol)をガラス製反応容器に添加し、重合を開始させた。上記触媒は特開2004-331965号公報に記載の方法により合成した。
30分間経過した後、イソブチルアルコールを5ml添加して重合を停止させ、エチレン、テトラシクロドデセンおよびノルボルネンの共重合体を含む重合溶液を得た。その後、重合溶液を別に用意した容積2Lのビーカーに移液し、さらに濃塩酸5mlと攪拌子を加え、強攪拌下で2時間接触させ脱灰操作を行った。この重合溶液に対して体積で約4倍のアセトンを入れたビーカーに脱灰後の重合溶液を攪拌下加えて共重合体を析出させ、さらに析出した共重合体を濾過により濾液と分離した。得られた溶媒を含む重合体を130℃で10時間減圧乾燥を行ったところ、白色パウダー状のエチレン・テトラシクロドデセン・ノルボルネン共重合体2.72gが得られた。
以上により、環状オレフィン系共重合体(P-1)を得た。
環状オレフィン系共重合体を構成する各構成単位の含有量の値が表1に記載の値になるように調整した以外は、製造例1と同様に操作を行い、表1に記載の環状オレフィン系共重合体(P-2)~(P-8)をそれぞれ得た。
エチレン由来の構成単位(a)、ノルボルネン由来の構成単位(b)およびテトラシクロドデセン由来の構成単位(c)の含有量は、日本電子社製「ECA500型」核磁気共鳴装置を用い、下記条件で測定することにより行った。
溶媒:重テトラクロロエタン
サンプル濃度:50~100g/l-solvent
パルス繰り返し時間:5.5秒
積算回数:6000~16000回
測定温度:120℃
上記のような条件で測定した13C-NMRスペクトルにより、環状オレフィン系共重合体を構成するエチレン由来の構成単位(a)、ノルボルネン由来の構成単位(b)およびテトラシクロドデセン由来の構成単位(c)の含有量をそれぞれ定量した。
島津サイエンス社製、DSC-6220を用いてN2(窒素)雰囲気下で環状オレフィン系共重合体のガラス転移点(Tg)を測定した。環状オレフィン系共重合体を常温から10℃/分の昇温速度で200℃まで昇温した後に5分間保持し、次いで10℃/分の降温速度で-20℃まで降温した後に5分間保持した。そして10℃/分の昇温速度で200℃まで昇温する際の吸熱曲線から環状オレフィン系共重合体のガラス転移点(Tg)を求めた。
移動粘度計(離合社製、タイプVNR053U型)を用い、環状オレフィン系共重合体の0.25~0.30gを25mlのデカリンに溶解させたものを試料とした。ASTM J1601に準じ135℃にて環状オレフィン系共重合体の比粘度を測定し、これと濃度との比を濃度0に外挿して環状オレフィン系共重合体の極限粘度[η]を求めた。
射出成形機(ファナック社製 ROBOSHOT α-S30iA)を用いて、シリンダー温度275℃、金型温度125℃の条件で、環状オレフィン系樹脂(P-1)を射出成形し、65mm×35mm×厚み3mmtの射出成形シートを作製した。
得られた射出成形シートについて、下記の各評価をそれぞれおこなった。得られた結果を表1に示す。
屈折率計(島津サイエンス社製 KPR200)を用いて、ASTM D542に準じて、マイクロコンパウンダーで成形した30mm×30mm×厚み2.0mmの射出成形シートの波長589nmにおける屈折率(nd)を測定した。ここで、射出成形シートの波長589nmにおける屈折率(nd)は、下記の耐熱試験の前後で測定した。
得られた射出成形シートを温度139℃、大気雰囲気下に168時間放置した。その後、取り出して3時間後に波長589nmにおける屈折率(nd)を測定し、耐熱試験前後における屈折率の変化を求めた。
得られた射出成形シートの内部ヘイズを、ベンジルアルコールを使用し、JIS K-7136(HAZE)に基づいて、株式会社村上色彩技術研究所製Haze Meter HM-150を用いて測定した。次いで、以下の基準で内部ヘイズをそれぞれ評価した。
〇:5%未満
×:5%以上
環状オレフィン系共重合体の種類を表1に示す重合体に変更した以外は実施例1と同様にして射出成形シートを作製し、さらに耐熱試験における耐熱試験温度を表1に示す温度にした以外は実施例1と同様の評価をおこなった。得られた結果を表1にそれぞれ示す。
Claims (7)
- 環状オレフィン系共重合体(A)を含む光学部品であって、
前記環状オレフィン系共重合体(A)は、
下記一般式(I)で表される少なくとも1種のオレフィン由来の構成単位(a)と、
下記一般式(II)で表される少なくとも1種の環状オレフィン由来の構成単位(b)と、
下記一般式(III)で表される少なくとも1種の環状オレフィン由来の構成単位(c)と、を有し、
前記構成単位(a)、構成単位(b)および構成単位(c)の合計含有量を100モル%としたとき、前記構成単位(a)の含有量が50モル%以下である光学部品。
- 請求項1に記載の光学部品において、
DSCにより測定される前記環状オレフィン系共重合体(A)のガラス転移点(Tg)が140℃以上である光学部品。 - 請求項1または2に記載の光学部品において、
前記環状オレフィン系共重合体(A)中の前記構成単位(b)の含有量と前記構成単位(c)の含有量との比((b)/(c))が2以上である光学部品。 - 請求項1乃至3のいずれか一項に記載の光学部品において、
前記環状オレフィン系共重合体(A)中の前記構成単位(b)がビシクロ[2.2.1]-2-ヘプテンに由来する繰り返し単位を含み、前記環状オレフィン系共重合体(A)中の前記構成単位(c)がテトラシクロ[4.4.0.12,5.17,10]-3-ドデセンに由来する繰り返し単位を含む光学部品。 - 請求項1乃至4のいずれか一項に記載の光学部品において、
前記環状オレフィン系共重合体(A)中の前記構成単位(a)がエチレンに由来する繰り返し単位を含む光学部品。 - 請求項1乃至5のいずれか一項に記載の光学部品において、
fθレンズ、撮像レンズ、センサーレンズ、プリズムまたは導光板である光学部品。 - 請求項1乃至6のいずれか一項に記載の光学部品において、
車載カメラレンズまたは携帯機器用カメラレンズである光学部品。
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WO2009096921A1 (en) | 2008-02-01 | 2009-08-06 | Exxonmobil Research And Engineering Company | Polymer compositions comprising cyclic olefin polymers, polyolefin modifiers and non-functionalizied plasticizers |
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2020
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- 2020-12-14 WO PCT/JP2020/046598 patent/WO2021149400A1/ja unknown
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Also Published As
Publication number | Publication date |
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JP7451570B2 (ja) | 2024-03-18 |
US20230087005A1 (en) | 2023-03-23 |
EP4095168A1 (en) | 2022-11-30 |
CN114930199A (zh) | 2022-08-19 |
KR20220108098A (ko) | 2022-08-02 |
TW202128797A (zh) | 2021-08-01 |
EP4095168A4 (en) | 2024-03-20 |
JPWO2021149400A1 (ja) | 2021-07-29 |
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