JP2019532148A - ブロック共重合体 - Google Patents
ブロック共重合体 Download PDFInfo
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- JP2019532148A JP2019532148A JP2019517808A JP2019517808A JP2019532148A JP 2019532148 A JP2019532148 A JP 2019532148A JP 2019517808 A JP2019517808 A JP 2019517808A JP 2019517808 A JP2019517808 A JP 2019517808A JP 2019532148 A JP2019532148 A JP 2019532148A
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- Prior art keywords
- block copolymer
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- chain
- polymer
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- 229920001400 block copolymer Polymers 0.000 title claims abstract description 76
- 229920000642 polymer Polymers 0.000 claims description 89
- 125000004432 carbon atom Chemical group C* 0.000 claims description 65
- 238000000034 method Methods 0.000 claims description 36
- 239000000126 substance Substances 0.000 claims description 31
- 125000004429 atom Chemical group 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- 125000002947 alkylene group Chemical group 0.000 claims description 21
- 229920006254 polymer film Polymers 0.000 claims description 21
- 125000005843 halogen group Chemical group 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 125000004450 alkenylene group Chemical group 0.000 claims description 11
- 125000004419 alkynylene group Chemical group 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- -1 —S (═O) 2 — Chemical group 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 125000004434 sulfur atom Chemical group 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 5
- 125000001153 fluoro group Chemical group F* 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 4
- 125000001188 haloalkyl group Chemical group 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 125000001118 alkylidene group Chemical group 0.000 claims description 2
- 125000000219 ethylidene group Chemical group [H]C(=[*])C([H])([H])[H] 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 238000005191 phase separation Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 abstract description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 57
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 26
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 26
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 22
- 239000000178 monomer Substances 0.000 description 21
- 238000005530 etching Methods 0.000 description 19
- 125000003118 aryl group Chemical group 0.000 description 17
- 239000000243 solution Substances 0.000 description 17
- 239000000543 intermediate Substances 0.000 description 13
- 238000005481 NMR spectroscopy Methods 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 12
- 238000006116 polymerization reaction Methods 0.000 description 11
- 238000005227 gel permeation chromatography Methods 0.000 description 10
- LVJZCPNIJXVIAT-UHFFFAOYSA-N 1-ethenyl-2,3,4,5,6-pentafluorobenzene Chemical compound FC1=C(F)C(F)=C(C=C)C(F)=C1F LVJZCPNIJXVIAT-UHFFFAOYSA-N 0.000 description 9
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 229920001519 homopolymer Polymers 0.000 description 9
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 description 8
- 238000004440 column chromatography Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 125000001424 substituent group Chemical group 0.000 description 8
- 238000005160 1H NMR spectroscopy Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- 239000012299 nitrogen atmosphere Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000003545 alkoxy group Chemical group 0.000 description 6
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 239000007790 solid phase Substances 0.000 description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 125000000304 alkynyl group Chemical group 0.000 description 5
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 125000000732 arylene group Chemical group 0.000 description 4
- 239000012986 chain transfer agent Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- AISZNMCRXZWVAT-UHFFFAOYSA-N 2-ethylsulfanylcarbothioylsulfanyl-2-methylpropanenitrile Chemical compound CCSC(=S)SC(C)(C)C#N AISZNMCRXZWVAT-UHFFFAOYSA-N 0.000 description 3
- 229960000549 4-dimethylaminophenol Drugs 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 239000012987 RAFT agent Substances 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 238000010526 radical polymerization reaction Methods 0.000 description 3
- 230000007261 regionalization Effects 0.000 description 3
- CBXCPBUEXACCNR-UHFFFAOYSA-N tetraethylammonium Chemical compound CC[N+](CC)(CC)CC CBXCPBUEXACCNR-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VPMIAOSOTOODMY-KJAPKAAFSA-N (4r)-6-[(e)-2-[6-tert-butyl-4-(4-fluorophenyl)-2-propan-2-ylpyridin-3-yl]ethenyl]-4-hydroxyoxan-2-one Chemical compound C([C@H](O)C1)C(=O)OC1/C=C/C=1C(C(C)C)=NC(C(C)(C)C)=CC=1C1=CC=C(F)C=C1 VPMIAOSOTOODMY-KJAPKAAFSA-N 0.000 description 2
- PAOHAQSLJSMLAT-UHFFFAOYSA-N 1-butylperoxybutane Chemical compound CCCCOOCCCC PAOHAQSLJSMLAT-UHFFFAOYSA-N 0.000 description 2
- VRPJIFMKZZEXLR-UHFFFAOYSA-N 2-[(2-methylpropan-2-yl)oxycarbonylamino]acetic acid Chemical compound CC(C)(C)OC(=O)NCC(O)=O VRPJIFMKZZEXLR-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 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 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000002073 nanorod Substances 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 239000012985 polymerization agent Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- PBLNBZIONSLZBU-UHFFFAOYSA-N 1-bromododecane Chemical compound CCCCCCCCCCCCBr PBLNBZIONSLZBU-UHFFFAOYSA-N 0.000 description 1
- 125000005916 2-methylpentyl group Chemical group 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- VGCXGMAHQTYDJK-UHFFFAOYSA-N Chloroacetyl chloride Chemical compound ClCC(Cl)=O VGCXGMAHQTYDJK-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000012711 chain transfer polymerization Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 229920000359 diblock copolymer Polymers 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229940030980 inova Drugs 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000010550 living polymerization reaction Methods 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VHRYZQNGTZXDNX-UHFFFAOYSA-N methacryloyl chloride Chemical compound CC(=C)C(Cl)=O VHRYZQNGTZXDNX-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 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
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003498 tellurium compounds Chemical class 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Images
Classifications
-
- 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
- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- 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
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
-
- 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
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
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Abstract
Description
NMR分析は、三重共鳴5mm探針(probe)を有するVarian Unity Inova(500MHz)分光計を含むNMR分光計を使って常温で遂行した。NMR測定用溶媒(CDCl3)に分析対象物質を約10mg/ml程度の濃度に希釈して使用したのであり、化学的移動はppmで表現した。
br=広い信号、s=単一線、d=二重線、dd=二重の二重線、t=三重線、dt=二重の三重線、q=四重線、p=五重線、m=多重線。
数平均分子量(Mn)および分子量分布は、GPC(Gel permeation chromatography)を使って測定した。5mLバイアル(vial)に実施例または比較例のブロック共重合体またはマクロ開始剤などの分析対象物質を入れ、約1mg/mL程度の濃度となるようにTHF(tetrahydro furan)に希釈する。その後、Calibration用標準試料と分析しようとする試料をsyringe filter(pore size:0.45μm)を通じて濾過させた後測定した。分析プログラムは、Agilent technologies社のChemStationを使用したのであり、試料のelution timeをcalibration curveと比較して重量平均分子量(Mw)および数平均分子量(Mn)をそれぞれ求め、その比率(Mw/Mn)で分子量分布(PDI)を計算した。GPCの測定条件は下記の通りである。
機器:Agilent technologies社の1200 series
カラム:Polymer laboratories社のPLgel mixed B 2個使用
溶媒:THF
カラム温度:35
サンプル濃度:1mg/mL、200L注入
標準試料:ポリスチレン(Mp:3900000、723000、316500、52200、31400、7200、3940、485)
下記の化学式Aの化合物は下記の方式で合成した。Boc−glycine(10.0g、57.1mmol)と1−ドデカノール(11.5g、68.5mmol)をフラスコに入れ、メチレンクロライド(MC)(300mL)に溶かした後にDCC(N,N'−dicylcohexylcarbodiimide)(14.4g、68.5mmol)とDMAP(p−dimethylaminopyridine)(2.8g、22.8mmol)を順に添加した。常温で撹拌し、一晩中反応させた後にフィルタリングして固形分を除去した。残った溶液を集めてEA(エチルアセテート)/ヘキサン溶液(EA:ヘキサン=1:5)でカラムクロマトグラフィーして無色の液状中間体A1を得た(14.3g、45.3mmol)。
1H−NMR(CDCl3):d5.00(s、1H);d4.13(t、2H);δ3.90(d、2H);d1.63(tt、2H);d1.45(s、9H);d1.37−1.22(m、18H);d0.88(t、3H)
1H−NMR(CDCl3):d6.31(s、1H);d5.77(s、2H);δ5.39(s、1H);d4.16(t、2H);d4.10(d、2H);d1.99(s、3H)、d1.65(tt、2H)、d1.37−1.22(m、18H);d0.88(t、3H)
下記の化学式Bの化合物は下記の方式で合成した。Boc−glycine(10.0g、57.1mmol)と1−ドデカノール(11.5g、68.5mmol)をフラスコに入れ、メチレンクロライド(MC)(300mL)に溶かした後にDCC(N,N'−dicylcohexylcarbodiimide)(14.4g、68.5mmol)とDMAP(p−dimethylaminopyridine)(2.8g、22.8mmol)を順に添加した。常温で撹拌し、一晩中反応させた後にフィルタリングして固形分を除去した。残った溶液を集めてEA(エチルアセテート)/ヘキサン溶液(EA:ヘキサン=1:5)でカラムクロマトグラフィーして無色の液状中間体B1を得た。前記中間体B1をフラスコに入れ、1,4−ジオキサン(120mL)に溶かした後にアイスバスで撹拌しながら塩酸溶液(4N in 1,4−dioxane、60mL)を添加し、常温で一晩中反応させた。反応溶液に過量のMCを添加し、フィルタリングして固形分をMCで何度も洗って白色固体相の中間体B2(13.0g、46.5mmol)を得たのであり、真空オーブンで乾燥した後に次の反応を進めた。
1H−NMR(DMSO−d6):d8.44(s、3H);d4.13(t、2H);δ3.76(s、2H);d1.58(tt、2H);d1.30−1.23(m、18H);d0.88(t、3H)
1H−NMR(CDCl3):d7.07(s、1H);d4.17(t、2H);δ4.09(s、2H);d4.08(d、2H);d1.65(tt、2H);d1.40−1.26(m、18H);d0.88(t、3H)
1H−NMR(CDCl3):d6.67(s、1H);d6.23(s、1H);δ5.71(s、1H);d4.70(s、2H);d4.17(t、2H);d4.09(d、2H)、d2.02(s、3H)、d1.65(tt、2H)。d1.34―1.26(m、18H);d0.88(t、3H)
下記の化学式Cの化合物(DPM−C12)は次の方式で合成した。250mLフラスコにヒドロキノン(hydroquinone)(10.0g、94.2mmol)および1−ブロモドデカン(1−Bromododecane)(23.5g、94.2mmol)を入れ、100mLのアセトニトリル(acetonitrile)に溶かした後に過量のポタシウムカーボネート(potassium carbonate)を添加し、75oCで約48時間の間窒素条件下で反応させた。反応後、残存するポタシウムカーボネートおよび反応に使ったアセトニトリルも除去した。DCM(dichloromethane)と水の混合溶媒を添加してウォークアップ(work up)し、分離された有機層をMgSO4で脱水した。引き続き、CC(Column Chromatography)でDCM(dichloromethane)に精製して白色固体相の中間体を約37%の収得率で得た。
1H−NMR(CDCl3):d6.77(dd、4H);δd4.45(s、1H);d3.89(t、2H);d1.75(p、2H);d1.43(p、2H);d1.33−1.26(m、16H);d0.88(t、3H)。
1H−NMR(CDCl3):d7.02(dd、2H);δd6.89(dd、2H);d6.32(dt、1H);d5.73(dt、1H);d3.94(t、2H);δd2.05(dd、3H);d1.76(p、2H);δd1.43(p、2H);1.34−1.27(m、16H);d0.88(t、3H)。
製造例1の化学式Aの化合物0.5g、AIBN(Azobisisobutyronitrile)2.6mg、RAFT剤((Reversible Addition−Fragmentation chain Transfer agent)のCPBD(2−Cyano−2−propyl benzodithioate)7.1mg、アニソール1.172mLをフラスコに入れ、窒素雰囲気下常温で1時間の間撹拌した後に70℃のシリコンオイル容器で約6時間の間RAFT重合反応を遂行した。重合反応後に反応溶液をメタノール300mLに2回沈殿させた後に減圧濾過し、乾燥し、RAFT試薬が末端に結合された前記化学式Aの化合物の重合体をマクロ開始剤(数平均分子量Mn:10,500、分子量分布PDI:1.20)として合成した。
製造例2の化学式Bの化合物2g、AIBN(Azobisisobutyronitrile)11mg、RAFT剤((Reversible Addition−Fragmentation chain Transfer agent)のCPBD(2−Cyano−2−propyl benzodithioate)29.9mg、アニソール8.040mLをフラスコに入れ、窒素雰囲気下常温で1時間の間撹拌した後に約4時間の間RAFT重合反応を遂行した。重合反応後に反応溶液をメタノール300mLに2回沈殿させた後に減圧濾過し、乾燥し、RAFT試薬が末端に結合された前記化学式Bの化合物の重合体をマクロ開始剤(数平均分子量Mn:14,500、分子量分布PDI:1.18)として合成した。
製造例3の化学式Cの化合物2g、RAFT剤((Reversible Addition−Fragmentation chain Transfer agent)のCPBD(2−Cyano−2−propyl benzodithioate)64mg、AIBN(Azobisisobutyronitrile)23mgおよびアニソール5.34mLをフラスコに入れ、窒素雰囲気下常温で30分の間撹拌した後に70℃で約4時間の間RAFT重合反応を遂行した。重合反応後に反応溶液をメタノール250mLに沈殿させた後に減圧濾過し、乾燥してピンク色のマクロ開始剤(数平均分子量Mn:9,000、分子量分布PDI:1.16)を合成した。
実施例1および2と比較例1で合成したブロック共重合体を、それぞれトルエンに適正濃度に希薄したコーティング液をスピンコーターを利用してシリコンウェハーの基板上に3000rpmの速度で60秒の間コーティングして高分子薄膜を形成した。このような薄膜を220℃で1時間の間熱処理を通じて薄膜の表面にナノ構造を発現させた。図1および2はそれぞれ実施例1および2、そして図3は比較例1について発現した自己組織化パターンのイメージである。
実施例1と2、そして比較例1のブロック共重合体のエッチング選択性を評価した。エッチング選択性は、実施例1と2、そして比較例1の各ブロック共重合体の各ブロックを単独重合体(homopolymer)の形態で製造し、その単独重合体で高分子膜を形成した後にエッチング機器(Plasmalab system 100)を使って同一条件(RF出力25W、圧力10mTorr)でエッチングを遂行し、エッチング時間別の高分子膜の残存厚さを比較して評価した。図4〜6はその結果であり、図4〜6においてX軸はエッチング時間であり、Y軸は高分子膜の残存厚さである。すべての高分子膜の初期厚さは約100nm程度に制御した。図4を参照すると、化学式Aの化合物の単独重合体(重合体A)とPFS(pentafluorostyrene)の単独重合体膜(PPFS)のエッチング速度が比較されており、図5には、化学式Bの化合物の単独重合体(重合体B)とPFS(pentafluorostyrene)の単独重合体膜(PPFS)のエッチング速度が比較されており、図6には、化学式Cの化合物の単独重合体(重合体C)とPFS(pentafluorostyrene)の単独重合体膜(PPFS)のエッチング速度が比較されている。図面から実施例のブロック重合体の各ブロックのエッチング速度は、エッチング時間の経過につれて、大きな差が出るが、比較例1の場合は、エッチング時間につれて、エッチング速度に大きな差は発生しないことを確認することができる。
Claims (13)
- 下記の化学式1で表示される単位を有する高分子セグメントAおよび下記の化学式9で表示される単位を有する高分子セグメントBを含む、ブロック共重合体。
[化学式1]
[化学式9]
- 高分子セグメントとして、高分子セグメントAおよびBのみを含むジブロック形態である、請求項1に記載のブロック共重合体。
- 化学式1でR1は水素または炭素数1〜4のアルキル基であり、Q1は単一結合または−O−L1−C(=O)−であり、X1は、−N(R2)−L2−C(=O)−O−であり、前記L1は炭素数1〜4の直鎖アルキレン基であり、前記L2はメチレン基またはエチリデン基であり、前記R2は水素であり、Y1は4個以上の鎖形成原子を有する直鎖鎖である、請求項1または2に記載のブロック共重合体。
- 化学式1でR1は水素または炭素数1〜4のアルキル基であり、Q1は−O−L1−であり、X1は、−O−C(=O)−、−C(=O)−O−、ウレタンリンカーまたはウレアリンカーであり、前記L1は炭素数1〜4の直鎖アルキレン基であり、Y1は4個以上の鎖形成原子を有する直鎖鎖である、請求項1または2に記載のブロック共重合体。
- 直鎖鎖は8個〜20個の鎖形成原子を含む、請求項1から4のいずれか一項に記載のブロック共重合体。
- 鎖形成原子は炭素、酸素、窒素または硫黄である、請求項1から5のいずれか一項に記載のブロック共重合体。
- 鎖形成原子は炭素または酸素である、請求項1から5のいずれか一項に記載のブロック共重合体。
- 鎖は炭化水素鎖である、請求項1から5のいずれか一項に記載のブロック共重合体。
- 化学式9でX2は、単一結合、酸素原子、硫黄原子または−S(=O)2−であり、R1〜R5はハロゲン原子である、請求項1から8のいずれか一項に記載のブロック共重合体。
- ハロゲン原子がフッ素原子である、請求項1から9のいずれか一項に記載のブロック共重合体。
- 高分子セグメントAおよびBの体積分率の合計が1であり、高分子セグメントAの体積分率が0.10〜0.90の範囲内である、請求項1から10のいずれか一項に記載のブロック共重合体。
- 自己組織化された請求項1から11のいずれか一項に記載されたブロック共重合体を含む高分子膜を基板上に形成することを含む、高分子膜の形成方法。
- 基板および前記基板上に形成されており、自己組織化された請求項1から11のいずれか一項に記載されたブロック共重合体を含む高分子膜を有する積層体から前記ブロック共重合体の高分子セグメントのうちいずれか一つを選択的に除去する過程を含む、パターン形成方法。
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