WO2006019008A1 - ポリマー修飾ナノ粒子 - Google Patents
ポリマー修飾ナノ粒子 Download PDFInfo
- Publication number
- WO2006019008A1 WO2006019008A1 PCT/JP2005/014545 JP2005014545W WO2006019008A1 WO 2006019008 A1 WO2006019008 A1 WO 2006019008A1 JP 2005014545 W JP2005014545 W JP 2005014545W WO 2006019008 A1 WO2006019008 A1 WO 2006019008A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer
- nanoparticles
- compound
- zinc
- modified
- Prior art date
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- 239000002105 nanoparticle Substances 0.000 title claims abstract description 238
- 229920000642 polymer Polymers 0.000 claims abstract description 81
- -1 thiocarbonylthio compound Chemical class 0.000 claims abstract description 57
- 239000002245 particle Substances 0.000 claims abstract description 32
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 31
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 31
- 230000002441 reversible effect Effects 0.000 claims abstract description 16
- 229910052976 metal sulfide Inorganic materials 0.000 claims abstract description 14
- 238000012711 chain transfer polymerization Methods 0.000 claims abstract description 13
- 239000012986 chain transfer agent Substances 0.000 claims abstract description 9
- 238000003379 elimination reaction Methods 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims description 40
- 150000001875 compounds Chemical class 0.000 claims description 39
- 239000011572 manganese Substances 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000011701 zinc Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 238000012986 modification Methods 0.000 claims description 23
- 230000004048 modification Effects 0.000 claims description 23
- 229910052725 zinc Inorganic materials 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 150000002902 organometallic compounds Chemical class 0.000 claims description 19
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- YZYKBQUWMPUVEN-UHFFFAOYSA-N zafuleptine Chemical compound OC(=O)CCCCCC(C(C)C)NCC1=CC=C(F)C=C1 YZYKBQUWMPUVEN-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 10
- 229910052783 alkali metal Inorganic materials 0.000 claims description 10
- 150000007514 bases Chemical class 0.000 claims description 10
- 229910052793 cadmium Inorganic materials 0.000 claims description 10
- 239000005749 Copper compound Substances 0.000 claims description 9
- 239000000084 colloidal system Substances 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 150000003464 sulfur compounds Chemical class 0.000 claims description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical class C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 238000003795 desorption Methods 0.000 claims description 7
- 229910052733 gallium Inorganic materials 0.000 claims description 7
- 229910052738 indium Inorganic materials 0.000 claims description 7
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 7
- 150000002602 lanthanoids Chemical class 0.000 claims description 7
- 229910052745 lead Inorganic materials 0.000 claims description 7
- 230000000379 polymerizing effect Effects 0.000 claims description 7
- 229910052718 tin Inorganic materials 0.000 claims description 7
- 229910052726 zirconium Inorganic materials 0.000 claims description 7
- 229910052768 actinide Inorganic materials 0.000 claims description 6
- 150000001255 actinides Chemical class 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052732 germanium Inorganic materials 0.000 claims description 6
- 229910052741 iridium Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 229910052703 rhodium Inorganic materials 0.000 claims description 6
- 229910052707 ruthenium Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000012990 dithiocarbamate Substances 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- WGIWBXUNRXCYRA-UHFFFAOYSA-H trizinc;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O WGIWBXUNRXCYRA-UHFFFAOYSA-H 0.000 claims description 5
- 239000004246 zinc acetate Substances 0.000 claims description 5
- 239000011746 zinc citrate Substances 0.000 claims description 5
- 235000006076 zinc citrate Nutrition 0.000 claims description 5
- 229940068475 zinc citrate Drugs 0.000 claims description 5
- 150000003752 zinc compounds Chemical class 0.000 claims description 5
- SRWMQSFFRFWREA-UHFFFAOYSA-M zinc formate Chemical compound [Zn+2].[O-]C=O SRWMQSFFRFWREA-UHFFFAOYSA-M 0.000 claims description 5
- 229940098697 zinc laurate Drugs 0.000 claims description 5
- JDLYKQWJXAQNNS-UHFFFAOYSA-L zinc;dibenzoate Chemical compound [Zn+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 JDLYKQWJXAQNNS-UHFFFAOYSA-L 0.000 claims description 5
- AJWXULAAWUPOJS-UHFFFAOYSA-L zinc;diformate;dihydrate Chemical compound O.O.[Zn+2].[O-]C=O.[O-]C=O AJWXULAAWUPOJS-UHFFFAOYSA-L 0.000 claims description 5
- GPYYEEJOMCKTPR-UHFFFAOYSA-L zinc;dodecanoate Chemical compound [Zn+2].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O GPYYEEJOMCKTPR-UHFFFAOYSA-L 0.000 claims description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 150000003926 acrylamides Chemical class 0.000 claims description 4
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 4
- 150000002697 manganese compounds Chemical class 0.000 claims description 4
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 claims description 4
- MPNXSZJPSVBLHP-UHFFFAOYSA-N 2-chloro-n-phenylpyridine-3-carboxamide Chemical compound ClC1=NC=CC=C1C(=O)NC1=CC=CC=C1 MPNXSZJPSVBLHP-UHFFFAOYSA-N 0.000 claims description 3
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 claims description 2
- MAGFQRLKWCCTQJ-UHFFFAOYSA-N 4-ethenylbenzenesulfonic acid Chemical class OS(=O)(=O)C1=CC=C(C=C)C=C1 MAGFQRLKWCCTQJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052936 alkali metal sulfate Inorganic materials 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims 1
- 229960004889 salicylic acid Drugs 0.000 claims 1
- 150000004684 trihydrates Chemical class 0.000 claims 1
- 230000004931 aggregating effect Effects 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 120
- 239000000243 solution Substances 0.000 description 83
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 69
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 60
- 238000004519 manufacturing process Methods 0.000 description 60
- 238000000034 method Methods 0.000 description 59
- 239000011787 zinc oxide Substances 0.000 description 54
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 52
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 44
- 239000005083 Zinc sulfide Substances 0.000 description 42
- 229910052984 zinc sulfide Inorganic materials 0.000 description 42
- 238000006243 chemical reaction Methods 0.000 description 32
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 27
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 25
- 238000000295 emission spectrum Methods 0.000 description 25
- 238000003786 synthesis reaction Methods 0.000 description 24
- 230000015572 biosynthetic process Effects 0.000 description 21
- 238000004458 analytical method Methods 0.000 description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 230000002776 aggregation Effects 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 11
- 229920002939 poly(N,N-dimethylacrylamides) Polymers 0.000 description 11
- 238000005227 gel permeation chromatography Methods 0.000 description 10
- 239000006228 supernatant Substances 0.000 description 10
- 238000004220 aggregation Methods 0.000 description 9
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 9
- HZPNKQREYVVATQ-UHFFFAOYSA-L nickel(2+);diformate Chemical compound [Ni+2].[O-]C=O.[O-]C=O HZPNKQREYVVATQ-UHFFFAOYSA-L 0.000 description 9
- 229920001485 poly(butyl acrylate) polymer Polymers 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 8
- 150000004683 dihydrates Chemical class 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 150000004685 tetrahydrates Chemical class 0.000 description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 7
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 7
- 229940048053 acrylate Drugs 0.000 description 7
- 238000004817 gas chromatography Methods 0.000 description 7
- 230000002194 synthesizing effect Effects 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229920002223 polystyrene Polymers 0.000 description 6
- 230000009257 reactivity Effects 0.000 description 6
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 4
- LAIUFBWHERIJIH-UHFFFAOYSA-N 3-Methylheptane Chemical compound CCCCC(C)CC LAIUFBWHERIJIH-UHFFFAOYSA-N 0.000 description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 4
- 239000005456 alcohol based solvent Substances 0.000 description 4
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 4
- 239000005453 ketone based solvent Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 150000003384 small molecules Chemical group 0.000 description 4
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical group OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 4
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 4
- ZMBHCYHQLYEYDV-UHFFFAOYSA-N trioctylphosphine oxide Chemical compound CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC ZMBHCYHQLYEYDV-UHFFFAOYSA-N 0.000 description 4
- VIVYBCKORJTEEV-UHFFFAOYSA-L zinc;2-carboxyphenolate;trihydrate Chemical compound O.O.O.[Zn+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O VIVYBCKORJTEEV-UHFFFAOYSA-L 0.000 description 4
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical compound [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 4
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 3
- 229910000011 cadmium carbonate Inorganic materials 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 3
- GRYOUGKDYRHZJB-UHFFFAOYSA-L disodium sulfate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O GRYOUGKDYRHZJB-UHFFFAOYSA-L 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004020 luminiscence type Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 238000003980 solgel method Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 239000012991 xanthate Substances 0.000 description 3
- RKQOSDAEEGPRER-UHFFFAOYSA-L zinc diethyldithiocarbamate Chemical compound [Zn+2].CCN(CC)C([S-])=S.CCN(CC)C([S-])=S RKQOSDAEEGPRER-UHFFFAOYSA-L 0.000 description 3
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 2
- PURTUPNWTLPILZ-UHFFFAOYSA-N 2-hydroxypropanoic acid;nickel Chemical compound [Ni].CC(O)C(O)=O.CC(O)C(O)=O PURTUPNWTLPILZ-UHFFFAOYSA-N 0.000 description 2
- QUVMSYUGOKEMPX-UHFFFAOYSA-N 2-methylpropan-1-olate;titanium(4+) Chemical compound [Ti+4].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-] QUVMSYUGOKEMPX-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 2
- 229910021590 Copper(II) bromide Inorganic materials 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
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- WCQOBLXWLRDEQA-UHFFFAOYSA-N ethanimidamide;hydrochloride Chemical compound Cl.CC(N)=N WCQOBLXWLRDEQA-UHFFFAOYSA-N 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- BDSYEKLSEKMQDH-UHFFFAOYSA-N ethyl(phenyl)carbamodithioic acid Chemical compound CCN(C(S)=S)C1=CC=CC=C1 BDSYEKLSEKMQDH-UHFFFAOYSA-N 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229960000789 guanidine hydrochloride Drugs 0.000 description 1
- PJJJBBJSCAKJQF-UHFFFAOYSA-N guanidinium chloride Chemical compound [Cl-].NC(N)=[NH2+] PJJJBBJSCAKJQF-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- QYLZRNUGXYADKP-UHFFFAOYSA-N hexadecoxy-hexadecylsulfanyl-hydroxy-sulfanylidene-lambda5-phosphane Chemical group CCCCCCCCCCCCCCCCOP(O)(=S)SCCCCCCCCCCCCCCCC QYLZRNUGXYADKP-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- NBZBKCUXIYYUSX-UHFFFAOYSA-N iminodiacetic acid Chemical compound OC(=O)CNCC(O)=O NBZBKCUXIYYUSX-UHFFFAOYSA-N 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000005101 luminescent paint Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- SQWDGUOWCZUSAO-UHFFFAOYSA-L manganese(2+);diformate;dihydrate Chemical compound O.O.[Mn+2].[O-]C=O.[O-]C=O SQWDGUOWCZUSAO-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- NQMRYBIKMRVZLB-UHFFFAOYSA-N methylamine hydrochloride Chemical compound [Cl-].[NH3+]C NQMRYBIKMRVZLB-UHFFFAOYSA-N 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- HPOWMHUJHHIQGP-UHFFFAOYSA-L n,n-dibutylcarbamodithioate;nickel(2+) Chemical compound [Ni+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC HPOWMHUJHHIQGP-UHFFFAOYSA-L 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
- QNILTEGFHQSKFF-UHFFFAOYSA-N n-propan-2-ylprop-2-enamide Chemical compound CC(C)NC(=O)C=C QNILTEGFHQSKFF-UHFFFAOYSA-N 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- AIBQNUOBCRIENU-UHFFFAOYSA-N nickel;dihydrate Chemical compound O.O.[Ni] AIBQNUOBCRIENU-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 229940117803 phenethylamine Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 238000000103 photoluminescence spectrum Methods 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229920000083 poly(allylamine) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001521 polyalkylene glycol ether Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- IKNCGYCHMGNBCP-UHFFFAOYSA-N propan-1-olate Chemical compound CCC[O-] IKNCGYCHMGNBCP-UHFFFAOYSA-N 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- MYXKPFMQWULLOH-UHFFFAOYSA-M tetramethylazanium;hydroxide;pentahydrate Chemical compound O.O.O.O.O.[OH-].C[N+](C)(C)C MYXKPFMQWULLOH-UHFFFAOYSA-M 0.000 description 1
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 1
- 150000003564 thiocarbonyl compounds Chemical class 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- CMWCOKOTCLFJOP-UHFFFAOYSA-N titanium(3+) Chemical compound [Ti+3] CMWCOKOTCLFJOP-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ABVVEAHYODGCLZ-UHFFFAOYSA-N tridecan-1-amine Chemical compound CCCCCCCCCCCCCN ABVVEAHYODGCLZ-UHFFFAOYSA-N 0.000 description 1
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- NEYNBSGIXOOZGZ-UHFFFAOYSA-L zinc;butoxymethanedithioate Chemical compound [Zn+2].CCCCOC([S-])=S.CCCCOC([S-])=S NEYNBSGIXOOZGZ-UHFFFAOYSA-L 0.000 description 1
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical compound [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 description 1
- AUMBZPPBWALQRO-UHFFFAOYSA-L zinc;n,n-dibenzylcarbamodithioate Chemical compound [Zn+2].C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1.C=1C=CC=CC=1CN(C(=S)[S-])CC1=CC=CC=C1 AUMBZPPBWALQRO-UHFFFAOYSA-L 0.000 description 1
- SZNCKQHFYDCMLZ-UHFFFAOYSA-L zinc;propan-2-yloxymethanedithioate Chemical compound [Zn+2].CC(C)OC([S-])=S.CC(C)OC([S-])=S SZNCKQHFYDCMLZ-UHFFFAOYSA-L 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
Definitions
- the present invention relates to polymer-modified nanoparticles. More specifically, the present invention relates to nanoparticles obtained by surface-modifying metal oxide nanoparticles or metal sulfate nanoparticles having a particle size of lOOnm or less with a polymer obtained by reversible addition / desorption chain transfer polymerization. The present invention also relates to a transparent colloid solution containing the polymer-modified nanoparticles.
- Metal oxide nanoparticles or metal sulfate nanoparticles exhibit properties that are not seen in Balta, such as fluorescence depending on the size due to their quantum effects, so that electronics, optics, optoelectronics Practical use is being studied in a wide range of fields such as neuroscience and medical fields.
- solar cells, light-emitting diodes, wavelength conversion elements, lasers, optical memories, ultraviolet screening agents, photocatalysts, quantum transistors, diagnostics, microanalysis, flat displays, electoluminescence elements, electromagnetic shielding materials, magnetic recording materials, light include wavelength cut filters and nonlinear optical materials.
- Non-Patent Document 1 shows a transmission electron microscope (TEM) photograph of zinc oxide particles !, but the particles aggregate together!
- Non-Patent Document 2 describes the phenomenon that particles aggregate when a colloidal solution of acid-zinc is concentrated! RU
- Patent Document 1 and Non-Patent Document 3 describe the synthesis of metal oxide nanoparticles surface-modified with low molecular weight compounds such as trioctylphosphine, trioctylphosphine oxide, alkylamine, and hexametaphosphoric acid. Yes.
- these low molecular weight compounds In the case of such surface modification, there is a problem in stability, and there is a problem that nanoparticles are aggregated in several days to several weeks. In addition, it was difficult to disperse the metal oxide nanoparticles whose surface was modified with a low molecular weight compound in the resin.
- Non-Patent Document 4 Patent Document 2, and the like.
- the modification with polybulurpyrrolidone described in Non-Patent Document 4 has a strong bond with nanoparticles!
- Polyethylene glycol having an SH group at the end described in Patent Document 2 can strongly modify the surface of metal oxide nanoparticles by the action of the SH group, but the synthesis of such a polymer is complicated. It was not economical.
- Patent Document 4 The most convenient technique for synthesizing a polymer having an SH group at the terminal is a reversible addition-elimination chain transfer polymerization method, which is described in Patent Document 3 and Patent Document 4.
- Patent Document 4 the surface of metal nanoparticles is modified using a polymer obtained by reversible addition / desorption chain transfer polymerization.
- this method since applicable nanoparticles are limited to those synthesized by a reduction method, it was impossible to perform surface modification of metal oxide nanoparticles.
- Patent Document 5 discloses a method of synthesizing cadmium sulfide (CdS) nanoparticles in the presence of low-molecular amine compounds such as dimethylamine and ethylenediamine. Is written. However, the stability due to low molecular amine compounds is insufficient, and it has been impossible to stably store CdS nanoparticles for a long period of time.
- CdS cadmium sulfide
- Patent Document 6 describes a method for adding phosphine oxides such as trioctylphosphine oxide (TOPO) after synthesis of selenium-zinc (ZnSe) nanoparticles
- Patent Document 7 discloses phosphine oxides such as TOP O.
- TOPO trioctylphosphine oxide
- TOP O phosphine oxides
- Methods for producing CdS nanoparticles in the presence of a variety are described. However, these methods required a high temperature of 290 ° C or higher, and there were problems in economic efficiency and safety.
- Patent Document 8 describes metal chalcogenide nanoparticles coated with silica using 3-mercaptopropyltrimethoxysilane, but it is not practical because the manufacturing method is complicated and the surface properties cannot be adjusted. I helped.
- Patent Document 9 describes a method of synthesizing metal chalcogenide nanoparticles in the presence of thiol and then amine treatment, but it is cumbersome and the reproducibility of nanoparticle properties is poor. And question There was a title.
- Non-patent document 5 describes zinc sulfide (ZnS) nanoparticles modified with di-n-hexadecyl dithiophosphate. It can be seen that is aggregated.
- Patent Document 10 describes an example of modification with an ethylene glycol block copolymer
- Patent Document 11 modifies nanoparticles modified with a methacryl group-containing ligand as a radical polymerizable monomer.
- Patent Document 12 Examples of copolymerization with omega-mercapto fatty acid polyalkylene glycol ester are shown in Patent Document 12; Examples of semiconductor nanoparticles modified with dendron thiocyanurate are shown in Patent Document 13, Patent Document 14 Example of semiconductor nanoparticles modified with amino fatty acid polyalkylene glycol ester, Patent Document 15 shows an example of semiconductor nanoparticles modified with phosphonoalkyl polyalkylene glycol ethers, Non-Patent Document 6 shows cetyl- ⁇ -burben An example of polymerizing nanoparticles after modification with dimethyldimethylammonium chloride.
- Patent Document 1 JP 2003-226521
- Patent Document 2 WO02 / 018080
- Patent Document 3 JP 2002-265508
- Patent Document 4 US2003Z0199653 A1
- Patent Document 5 Japanese Patent No. 3263102
- Patent Document 6 JP 2001-262138 A
- Patent Document 7 JP 2001-354954 A
- Patent Document 8 Special Table 2001-520937
- Patent Document 9 Japanese Patent Laid-Open No. 2003-89522
- Patent Document 10 JP 2002-80903 A
- Patent Document 11 JP 2002-105325 A
- Patent Document 12 Japanese Unexamined Patent Application Publication No. 2002-121549
- Patent Document 13 Japanese Unexamined Patent Application Publication No. 2002-129156
- Patent Document 14 Japanese Patent Laid-Open No. 2003-64282
- Patent Document 15 Japanese Unexamined Patent Publication No. 2003-286292
- Non-Patent Document 1 D. W. Bruemann et al., J. Phys. Chem. 1987, 91, 378 9
- Non-Patent Document 2 L. Spanhel et al., J. Am. Chem. Soc. 1991, 113, 2826
- Non-Patent Document 3 M. Shim et al., J. Am. Chem. Soc. 2001, 123, 11651
- Non-Patent Document 4 L. Guo et al., Chem. Mater. 2000, 12, 2268
- Non-Patent Document 5 S. Chen et al., Langmuir 1999, 15, 8100
- Non-Patent Document 6 T. Hirai et al., Phys. Chem. B 2000, 104, 8962
- Non-patent literature 7 1. Potapova et al., Am. Chem. Soc. 2003, 125, 320
- Non-patent literature 8 R. He et al., Colloids and Surfaces A: Physicochem. Eng. As pects 2003, 220, 151
- Non-Patent Document 9 K. Manzoor et al., Solid State Communications 2004, 129, 4 69
- the problem to be solved by the present invention is to economically provide polymer-modified nanoparticles that stably exist without being aggregated over a long period of time and can be easily dispersed in a resin.
- Another problem to be solved by the present invention is to provide a colloidal solution of polymer-modified nanoparticles having high transparency and high stability that does not aggregate over a long period of time.
- the present inventor proposes the following polymer-modified nanoparticles. That is, the polymer-modified nanoparticle of the present invention is a reversible addition using a metal oxide nanoparticle or metal sulfate nanoparticle having a number average particle diameter of lOOnm or less and a thiothiothio compound as a chain transfer agent. It is obtained by surface modification using a polymer obtained by elimination chain transfer polymerization.
- a preferred embodiment of the present invention is that the polymer force used for the surface modification is reversible addition-elimination chain transfer polymerization using the thiocarbonylthio compound as a chain transfer agent and then terminally SH-treated by a treating agent. is there.
- the treatment agent is selected from the group consisting of a hydrogen-nitrogen bond-containing compound, a basic compound, and a reducing agent.
- Preferred embodiments of the present invention include polymer strength (meth) acrylic acid ester, (meth) acrylamides, (meth) acrylic acid, and alkali metal salt of (meth) acrylic acid used for the surface modification.
- Styrene alkali metal salt of P-styrene sulfonic acid
- Buylbenzyl trimethylammonium chloride, acrylonitrile, bulupyrrolidone, bulupyridine, acetic acid bulu, chloro chloride, maleic anhydride, maleimide It has a structure obtained by polymerizing monomers.
- the polymer used for the surface modification has a molecular weight distribution of 1.5 or less.
- the number average particle diameter of the metal oxide nanoparticles or metal sulfate nanoparticles is 1 Onm or less.
- the metal oxide nanoparticles may react an organometallic compound and an OH group-containing basic compound in a solvent. Is obtained.
- the OH group-containing basic compound is LiOH, Na
- the organometallic compound used in the synthesis of the metal oxide nanoparticles is zinc acetate, zinc acetate dihydrate, zinc acetylacetonate zinc hydrate.
- the metal oxide nanoparticles may be Zn, Ti, Zr, Cr, Mo, W, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Cu , Ag, Cd, Al, Ga, In, Si, Ge, Sn, Pb, doped with an element selected from the group consisting of lanthanoids and actinoids.
- the metal in the metal sulfide nanoparticles may be Zn, Ti, Zr, Cr, Mo, W, Mn, Fe, Ru. Consists of one or more elements selected from the group consisting of Co, Rh, Ir, Ni, Pd, Cu, Ag, Cd, Al, Ga, In, Si, Ge, Sn, Pb, lanthanoids and actinoids It is what is done.
- 90 mol% or more of the metal in the metal sulfide nanoparticles is Zn.
- the metal sulfide nanoparticles are obtained by reacting an organometallic compound and a sulfur compound in a solvent.
- the organometallic compound used in the synthesis of the metal sulfide nanoparticles is a zinc carboxylate compound, a zinc dithiocarbamate compound, or a zinc xanthate compound. And one or more compounds selected from the group consisting of: acetylacetonatozinc compound, a carboxylic acid manganese compound, a acetylylacetonatomanganese compound, a carboxylic acid copper compound, and a dithiocarbamate copper compound.
- the sulfur compound is a group consisting of an alkali metal sulfate, an alkaline earth metal sulfide, an alkali metal hydrosulfide, hydrogen sulfide, and thiourea.
- an alkali metal sulfate an alkaline earth metal sulfide
- an alkali metal hydrosulfide an alkali metal hydrosulfide
- hydrogen sulfide and thiourea.
- the present invention also includes a transparent colloid solution containing the polymer-modified nanoparticles.
- the polymer-modified nanoparticles of the present invention are stable in any of an isolated state, a colloid solution state, and a dispersed state in a resin, and are present without being aggregated over a long period of time. Therefore, the electrical properties 'optical properties' and chemical properties persist without loss.
- the service life is long. Less deterioration. It can be used for a long period of time while maintaining its performance as a wavelength conversion element and quantum dot. When used as a catalyst, turnover is high and performance degradation is small.
- composition and structure of the polymer to be modified can be selected arbitrarily, the physical properties of the nanoparticle surface, such as hydrophilic 'lipophilic' and amphiphilic properties, can be freely adjusted. It is easy to make. Furthermore, it is economical because it can be manufactured easily and inexpensively.
- the polymer-modified nanoparticle of the present invention comprises a metal oxide nanoparticle or metal sulfate nanoparticle, and a reversible addition / desorption chain transfer weight using a thiothio compound as a chain transfer agent. It is obtained by surface modification using the polymer obtained by the combination.
- the thiocarbonyl compound used in the present invention is not particularly limited! Spear
- a compound having a trithiocarbonate structure is generally highly reactive in reversible addition / elimination chain transfer polymerization.
- a compound having multiple thiothio structures in one molecule can be strongly modified to bind to the nanoparticle surface at multiple points, and can also be modified to crosslink the nanoparticles. Therefore, it is possible to arrange them precisely while controlling the distance between the nanoparticles.
- the polymer may be used as it is, but the treatment agent is used in view of high surface modification efficiency. It is preferable to use a terminal SH.
- the treating agent is not particularly limited, but a compound selected from the group consisting of a hydrogen-nitrogen bond-containing compound, a basic compound, and a reducing agent power is preferred because of its high efficiency of conversion to an SH group.
- the hydrogen-nitrogen bond-containing compound is not particularly limited, but ammonia, hydrazine, primary amine, secondary amine, amido compound, ammine hydrochloride, hydrogen-nitrogen Examples thereof include a bond-containing polymer and a hindered amine light stabilizer (HALS).
- HALS hindered amine light stabilizer
- Examples of the primary amines include methylamine, ethylamine, isopropylamine, n-propylamine, n-butylamine, t-butylamine, 2-ethylhexylamine, 2-aminoethanol, ethylenediamine, diethylenetriamine, 1 1,2-diaminopropane, 1,4-diaminobutane, cyclohexylamine, errin, phenethylamine and the like.
- Examples of secondary amines include dimethylamine, jetylamine, diisobutylamine, di-2-ethylhexylamine, iminodiacetic acid, bis (hydroxyethyl) amine, di- ⁇ -butylamine, di-butylamine, diphenyl- Examples include lumine, N-methylaline, imidazole, and piperidine.
- Examples of the amide compound include adipic acid hydrazide, N-isopropylacrylamide, oleic acid amide, thioacetamide, formamide, acetonitrile, phthalimide, and succinimide.
- Examples of the above amine hydrochloride include: acetamidine hydrochloride, monomethylamine hydrochloride, dimethylamine hydrochloride, Examples thereof include monoethylamine hydrochloride, jetylamine hydrochloride, and guanidine hydrochloride.
- Examples of the hydrogen-nitrogen bond-containing polymer include polyethyleneimine, polyallylamine, and polybulamine.
- Examples of the above HALS include Ade force stub LA-77 (Asahi Denka Kogyo Co., Ltd.), Tinuvin 144 (Ciba 'Specialty Chemicals Co., Ltd.), Adeka Stub LA-67 (Asahi Denka Kogyo Co., Ltd.), etc. Can be mentioned.
- examples of basic compounds are not particularly limited, but include sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, aluminum hydroxide, sodium methoxide, sodium ethoxy. And magnesium methoxide, sodium carbonate, potassium carbonate and the like.
- examples of the reducing agent are not particularly limited, but sodium hydride, hydrogenated lithium, calcium hydride, LiAlH, NaBH, LiBEt H (super hydride
- the above treatment agents may be used alone or in combination! From the viewpoint of reactivity, a hydrogen-nitrogen bond-containing compound and a reducing agent are preferred. In the case of a hydrogen-nitrogen bond-containing compound, a compound having a boiling point of 20 ° C. to 200 ° C. is more preferable because it facilitates purification.
- the amount of the above-mentioned treatment agent is not particularly limited, but in terms of reactivity and economy, 0.01 to 100 parts by weight of the polymer is preferable to LOO parts by weight, more preferably 0.1 to 50 parts by weight. preferable. Reaction conditions such as temperature, presence / absence of solvent, and mixing conditions are not particularly limited.
- the composition of the polymer that modifies the surface of the nanoparticles is not particularly limited.
- the availability, compatibility with various solvents, heat resistance, and stability are not particularly limited.
- (meth) acrylic acid esters, (meth) acrylamides, (meth) acrylic acid, alkali metal salts of (meth) acrylic acid, styrene, alkalis of P-styrene sulfonic acid A structure obtained by polymerizing one or more monomers selected from the group consisting of metal salt, (Buylbenzyl) trimethylammonium chloride, acrylonitrile, butyl pyrrolidone, butyl pyridine, butyl acetate, butyl chloride, maleic anhydride and maleimide.
- the main chain structure is not particularly limited, and is arbitrary such as a random copolymer, a block copolymer, a gradient copolymer, or a combination thereof.
- specific monomers such as (meth) acrylic acid and vinyl acetate, It may be denatured with Steruy rice cake.
- the (meth) acrylic acid ester is not particularly limited, but methyl (meth) acrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate, (meth) acrylic T-Butyl acid, 2-ethylhexyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-methoxyethyl (meth) acrylate, allylic (meth) acrylate, (meth) acrylic acid- And so on.
- (Meth) acrylamides are not particularly limited, and (meth) acrylamide, N-isopropyl (meth) acrylamide, N, N-dimethyl (meth) acrylamide and the like can be mentioned.
- Examples of the alkali metal in the alkali metal salt of (meth) acrylic acid and the alkali metal salt of p-styrene sulfonic acid include lithium, sodium, and lithium.
- the molecular weight and molecular weight distribution of the polymer that modifies the surface of the metal oxide nanoparticles are not particularly limited, but can be easily controlled by reversible addition / desorption chain transfer polymerization.
- the number average molecular weight is preferably in the range of 2000 to 50000.
- the molecular weight distribution is preferably 1.5 or less, more preferably 1.2 or less, from the viewpoint of uniform physical properties of the resulting polymer-modified nanoparticles.
- the number average molecular weight (Mn) and the weight average molecular weight (Mw) are values analyzed by gel permeation chromatography (GPC), and the molecular weight distribution is a value calculated as MwZMn.
- the metal oxide nanoparticles or metal sulfate nanoparticles used in the present invention are not particularly limited as long as the number average particle diameter is not more than lOOnm.
- the number average particle size can be determined by dynamic light scattering (DLS) analysis or transmission electron microscope (TEM) observation.
- the number average particle diameter of the above nanoparticles is preferably 20 nm or less, more preferably lOnm or less, in that the quantum effect is remarkably exhibited.
- the shorter diameter is expressed as the number average particle diameter.
- the method for synthesizing the metal oxide nanoparticles used in the present invention is not particularly limited, and is a top-down method such as a lithography method, a mechanical pulverization method, decomposition by a laser beam; Trap method, gas deposition method (CVD), 2-photon confocal method, etc. Any bottom-up method can be applied. Of these, the chemical synthesis method is more preferable because the bottom-up method is preferred because the particle size can control the particle shape, and the apparatus is cheaper.
- Examples of the chemical synthesis method include a coprecipitation method, a reverse micelle method, and a sol-gel method, but the coprecipitation method and the sol-gel method are particularly preferable in terms of simple operation. Of these, the method of reacting an organometallic compound with an OH group-containing basic compound in a solvent is most preferred because of the availability of raw materials and the ease of production.
- the organometallic compound is not particularly limited !, but, for example, zinc acetate, zinc acetate dihydrate, zinc chloride, acetylethylacetonate zinc hydrate, zinc benzoate, zinc citrate, dibutyldithiocarbamine Zinc compounds such as zinc oxide, zinc jetyl dithiocarbamate, zinc formate, zinc formate dihydrate, zinc laurate, zinc salicylate trihydrate; titanium chloride (III), titanium chloride ( IV), titanium cresylate (IV), titanium oxide ( ⁇ ) acetyl cetate, titanium (IV) ethoxide, titanium (IV) isobutoxide, titanium (IV) methoxide, titanium (IV) n-propoxide, titanium (IV) Titanium compounds such as tetrabutoxide and titanium tetraisopropoxide; cobalt acetate ( ⁇ ) tetrahydrate, acetylylacetonate cobalt ( ⁇ ), cobalt benzoate ( ⁇ ), cobalt chlor
- zinc acetate, zinc acetate dihydrate, and zinc acetylacetonate are preferred because zinc oxide compounds are preferred because of the large band gap of the resulting metal oxide nanoparticles and high safety.
- Hydrate, Zinc benzoate, Zinc citrate, Zinc dibutyldithiocarbamate, Zinc diethyldithiocarbamate, Zinc formate, Zinc formate Dihydrate More preferred are zinc laurate, zinc salicylate trihydrate. These may be used alone or in combination.
- the OH group-containing basic compound is not particularly limited. Examples thereof include alkali metal hydroxides such as LiOH, NaO H, and KOH; Mg (OH), Ca (OH), Ba (OH), and the like.
- alkali metal hydroxides such as LiOH, NaO H, and KOH; Mg (OH), Ca (OH), Ba (OH), and the like.
- Examples include droxidide.
- LiOH, NaOH, and KOH are more preferable because alkali metal hydroxides are preferable in terms of availability and reactivity. These may be used alone or in combination.
- the solvent is not particularly limited, and any one that can dissolve or disperse the organometallic compound and the OH group-containing compound can be arbitrarily used. It is.
- solvents examples include water; alcohol solvents such as methanol, ethanol, isopropanol, and n-propanol; ketone solvents such as acetone, methyl ethyl ketone, and methyl isobutyl ketone; dimethyl sulfoxide; dimethylformamide; Halogen solvents such as dichloromethane; ether solvents such as jetyl ether and tetrahydrofuran; aromatic solvents such as benzene and toluene; hydrocarbon solvents such as pentane, hexane, octane, 2-ethyl hexane, and cyclohexane And so on.
- alcohol solvents such as methanol, ethanol, isopropanol, and n-propanol
- ketone solvents such as acetone, methyl ethyl ketone, and methyl isobutyl ketone
- dimethyl sulfoxide dimethylformamide
- water, alcohol-based solvents, and ketone-based solvents are preferable because the dispersibility of the generated metal oxide is favorable.
- a solvent in which the polymer dissolves it is preferable to use a solvent in which the polymer dissolves.
- solvents may be used alone or in combination.
- solvents that are mixed with each other or solvents that are not mixed with each other may be used, but solvents that are mixed with each other are preferred in terms of efficiency.
- the reaction conditions for reacting the organometallic compound and the OH group-containing compound are not particularly limited, and any temperature / time 'addition timing and the like can be employed.
- the temperature is preferably in the range of -20 ° C to 100 ° C, more preferably in the range of 0 ° C to 80 ° C.
- the reaction method include controlled double jet precipitation, sol-gel method, chemical precipitation, colloidal synthesis, and the like.
- J. Am. Chem. Coc. 1991, 113, 2826, Chem. Mater. 2000, 12, 2268, and J. P hys. Chem. 1992, 96, 11086 etc. [described here! Noregenore method, Phys. Chem. 1987, 91, 3789 and J. Phys. Chem. B 1998, 102, 7770 etc.
- the colloid synthesis method is preferred.
- the metal oxide nanoparticles of the present invention may be doped with one or more metals, which may be a single metal oxide.
- a doping element Zn, Ti, Zr, Cr, Mo, W, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd
- An element selected from the group consisting of Cu, Ag, Cd, Al, Ga, In, Si, Ge, Sn, Pb, lanthanoid and actinoid is preferable. These may be used alone or in combination.
- the method for doping is not particularly limited, but in terms of convenience, J. Am. Chem. Soc. 2002, 124, 15192, Am. Chem. Soc. 2 003, 125, 13205, and J. Am. Chem Soc. 2004, 126, 9387 and the like are preferred.
- the method for synthesizing the metal sulfate nanoparticles used in the present invention is not particularly limited, and is a top-down method such as a lithography method, a mechanical pulverization method, decomposition by a laser beam; A bottom-up method such as a trap method, gas deposition method (CVD), or 2-photon confocal method is applicable.
- the chemical synthesis method is more preferable because the bottom-up method is preferable because the particle size can control the particle shape.
- Examples of the chemical synthesis method include a coprecipitation method and a reverse micelle method, but the coprecipitation method is particularly preferable in terms of simple operation.
- the method of reacting an organometallic compound and a sulfur compound in a solvent is most preferable from the viewpoint of availability of raw materials, economy, and ease of production.
- the metal in the metal sulfide nanoparticle is not particularly limited, but Zn, Ti, Zr, Cr, Mo, W, Mn, Zn, Ti, Zr, Cr, Mo, Wn, Mn, Zn, which is preferably an element selected from the group consisting of Fe, Ru, Co, Rh, Ir, Ni, Pd, Cu, Ag, Cd, Al, Ga, In, Si, Ge, Sn, Pb, lanthanoid, and actinoid
- An element selected from the group consisting of Ti, Mn, Co, Cu, Cd, Ga, In, Si, Ge, Sn, Pb, La, Eu, and Tb is more preferable. These may be used alone or in combination.
- the ratio of each component is not particularly limited. However, in terms of excellent quantum characteristics, a compound containing 90 mol% or more of one kind of metal as a main component is preferable. Those containing at least% are preferred.
- the metal element as the main component is not particularly limited, but Zn is particularly preferable from the viewpoint of availability and safety that Zn, Ti, and Cd are preferable in terms of excellent quantum characteristics.
- the metal element other than the main component is a so-called doping element, and is not particularly limited. However, Mn, Cu, lanthanoid, and actinoid are more preferable in terms of the quantum characteristics that the element selected from the above group is preferable. .
- the organometallic compound is not particularly limited, and examples thereof include the above-described metal halides, organic acid salts, nitrates, perchlorates, and acetyl cetates. These may contain crystal water.
- organometallic compounds that can be suitably used in the present invention are not particularly limited! Zinc carboxylic acid zinc compounds, dithiocarbamate zinc compounds, zinc xanthate compounds Zinc compounds, such as zinc compounds, acetylylacetonato zinc compounds; salt titanium (III), salt titanium (IV), titanium cresylate (IV), titanium oxide ( ) Acetylacetonate, titanium (IV) ethoxide, titanium (IV) isobutoxide, titanium (IV) methoxide, titanium (IV) n-propoxide, titanium (IV) tetrabutoxide, titanium tetraisopropoxide, etc.
- Titanium compound Conoletoacetate ( ⁇ ⁇ ) tetrahydrate, Acetylacetonate cobalt ( ⁇ ), Cobalt benzoate ( ⁇ ), Cobalt chloride ( ⁇ ), Cobalt citrate ( ⁇ ) dihydrate, Cobalt oxalate ( ⁇ ) dihydrate, cobalt stearate ( ⁇ ⁇ ⁇ ⁇ ), cobalt compounds such as cobalt hydroxide; nickel acetate ( ⁇ ) tetrahydrate, acetylylacetonate nickel ( ⁇ ) dihydrate, bis (dibutyldithiocarnomate) nickel (II), Nickel compounds such as nickel chloride (II), nickel formate (II) dihydrate, nickel lactate (II) tetrahydrate, nickel stearate (II), nickel hydroxide (II); copper acetate (II) Hydrate, copper (II) sulfate, copper (II) bromide, copper chloride (II), carboxylic acid copper compounds, dithiocarba
- Cadmium compounds such as cadmium acetate dihydrate, cadmium bromide tetrahydrate, cadmium carbonate, salt cadmium carbonate, cadmium formate dihydrate, cadmium stearate, cadmium hydroxide hydroxide;
- Cadmium compounds such as cadmium acetate dihydrate, cadmium bromide tetrahydrate, cadmium carbonate, salt cadmium carbonate, cadmium formate dihydrate, cadmium stearate, cadmium hydroxide hydroxide
- Manganese carboxylate, acetylylacetonate Or the like can be mentioned manganese compound.
- a carboxylic acid zinc compound, a dithio-zinc rubamate compound, a zinc xanthate compound, an acetylacetonate zinc compound, a carboxylic acid Manganese compounds, acetylylacetonate manganese compounds Zinc acetate, zinc acetate dihydrate, zinc benzoate, zinc citrate, zinc formate, zinc formate dihydrate , Zinc laurate, zinc salicylate trihydrate; zinc dithiocarbamate, zinc dimethyldithiocarbamate, zinc diethyldithiocarbamate, zinc dibutyldithiocarbamate, N-ethyl -N-phenyldithiocarbamate, zinc N-pentamethylenedithiocarbamate, zinc dibenzyldithiocarbamate; zinc xanthate, zinc butylxanthate, zinc isopropylxanthate;
- the sulfur compound used in the present invention is not particularly limited, and a compound containing a sulfur atom can be used.
- a compound containing a sulfur atom can be used.
- alkali metal sulfides, alkaline earth metal sulfates, alkali metal hydroxides, hydrogen sulfide, and sodium sulfate are preferred.
- Sodium sulfate, sodium sulfate, lithium sulfide, potassium sulfate, hydrogen sulfide, and thiourea are more preferred.
- the solvent is not particularly limited, and a solvent capable of dissolving or dispersing the organometallic compound and the sulfur compound can be arbitrarily used. is there.
- solvents examples include water; alcohol solvents such as methanol, ethanol, isopropanol, and n-propanol; ketone solvents such as acetone, methyl ethyl ketone, and methyl isobutyl ketone; dimethyl sulfoxide; dimethylformamide; Halogen solvents such as oral form and dichloromethane; ether solvents such as jetyl ether and tetrahydrofuran; aromatic solvents such as benzene and toluene; pentane, hexane, octane, 2-ethyl hexane, and cyclohexane And hydrocarbon solvents such as Of these, the dispersibility of the resulting metal sulfide is good, water, Alcohol solvents, ketone solvents and dimethylformamide are preferred.
- solvents in which the polymer is dissolved.
- solvents may be used alone or in combination.
- solvents that are mixed with each other are preferred, and solvents that are mixed with each other in terms of power efficiency are preferred.
- reaction conditions for reacting the organometallic compound with the sulfur compound are not particularly limited, and any temperature, time, addition timing, etc. can be employed.
- the temperature is preferably in the range of -20 ° C to 100 ° C, more preferably in the range of 0 ° C to 80 ° C.
- the surface of the metal oxide nanoparticles or metal sulfide nanoparticles is modified with a polymer obtained by reversible addition / desorption chain transfer polymerization using a thiothiol compound as a chain transfer agent.
- the method is not particularly limited.
- a method of synthesizing nanoparticles in a solvent and adding the polymer to the solution For example, a method of synthesizing nanoparticles in a solvent and adding the polymer to the solution; a method of isolating the nanoparticles and adding the polymer to the solution; isolating the nanoparticles, an extruder, a plastmill, A method of mixing with a polymer in a molten state using a mixer or the like; a method of mixing a solution of nanoparticles with a polymer solution; a method of coexisting the polymer when synthesizing nanoparticles; a nanoparticle when polymerizing a polymer And the like.
- the method of mixing the nanoparticles and the polymer in a solution is preferable regardless of before and after the reaction because the reaction is simple and the modification efficiency is high. In this case, it is preferable to perform ultrasonic irradiation since the modification efficiency is further increased.
- the nanoparticles may be modified by temporary modification with a low molecular weight compound or other polymer, and then substitution with the polymer of the present invention.
- Such temporary modification compounds include low molecular weight amine compounds such as dodecylamine, tridecylamine and laurylamine; low molecular weight thiol compounds such as decanethiol and dodecanethiol; and phosphate esters such as trioctylphosphine oxide.
- Compound: Power that can include polymers having no SH group such as polybulurpyrrolidone, poly (meth) acrylic acid, polyacrylamide, polyethylene glycol, polyvinyl alcohol, polyamine, etc., but is not limited thereto.
- the transparent colloid solution of the present invention is obtained by uniformly dispersing the above-described polymer-modified nanoparticles in a solvent.
- the solvent is not particularly limited, but a good solvent for the polymer used for the surface modification may be used in terms of good dispersibility of the nanoparticles. preferable.
- the good solvent for the polymer for example, those described in Polymer Handbook, 4th Edition Qohn Wiley & Sons Inc., 1999) can be used.
- the method for preparing the transparent colloidal solution of the present invention is not particularly limited, and the above-mentioned polymer-modified nanoparticles may be dispersed in a solvent after isolation.
- the polymer-modified nanoparticles are produced in a solvent and used as they are.
- As a colloidal solution When preparing the transparent colloidal solution, ultrasonic irradiation, microwave irradiation, or the like may be performed.
- the weight average molecular weight (Mw) and number average molecular weight (Mn) of the polymer were determined by gel permeation chromatography (GPC) analysis.
- GPC gel permeation chromatography
- the monomer reaction rate was determined by gas chromatography (GC) analysis.
- GC-14B gas chromatograph GC-14B (Shimadzu Corporation) It carried out in.
- the particle size of the nanoparticles was observed using a transmission electron microscope (TEM) JEM-1200EX (manufactured by JEOL Ltd.) at an acceleration voltage of 80 kV.
- TEM transmission electron microscope
- JEM-1200EX manufactured by JEOL Ltd.
- the number average particle size of the nanoparticles was calculated by measuring more than 100 nanoparticles using a vernier caliper in a TEM photograph.
- the emission spectrum is 290 or 299 nm excitation light for a solution or film sample using a fluorimeter LS 55 (Perkin Elma) or a spectrofluorometer FP-6500DS (JASCO Corp.) Then, the photoluminescence spectrum was measured in the range of 350 to 700 nm. Ultrasonic irradiation was performed using an ultrasonic homogenizer UH-600 (manufactured by MEST Co., Ltd.). The thiothio compound used as a chain transfer agent was synthesized according to the method described in JP 2000-515181 or Macromolecules 2002, 35, 4123. [0059] (Production Example 1)
- a 4-roflasco (500 mL) equipped with a reflux condenser with a nitrogen inlet, a magnetic stirrer, and a thermocouple for temperature measurement was added to 2- (2-phenolpropyl) dithiobenzoate (3.22 g), styrene (100. 3 g), toluene (98. lg), and azobisisobutyric-tolyl (0.61 g) were added, the atmosphere was replaced with nitrogen, and the mixture was stirred at 70 ° C for 14 hours. The monomer reaction rate was 42%.
- the reaction solution was kept at 50 ° C., jetylamine (25 g) was added, and the mixture was stirred for 8 hours.
- the reaction solution was poured into methanol (500 mL) to precipitate a polymer.
- the obtained polystyrene was Mw4 300, Mn3700, Mw / Mnl. 16, and it was confirmed by ⁇ -NMR analysis that one end was converted to an SH group.
- a 200 mL reactor equipped with a reflux condenser with a nitrogen gas inlet, a stirrer, and a thermometer was added to dibenzyltrithiocarbonate (4.46 g), n-butyl acrylate (49.7 g), toluene (5 Og), azobisisopetite. Mouth-tolyl (0.415 g) was added, and the inside of the reactor was deaerated and purged with nitrogen. The mixture was stirred at 90 ° C for 3 hours, sampled, and the formation of PBA (Mw4200, Mn3700, Mw / Mnl. 15) having a trithiocarbonate structure was confirmed by GPC analysis and NMR analysis.
- n-Ptylamine (20 g) was added to this solution, and the mixture was stirred at room temperature for 1 hour, and then poured into hexane (5 OOmL) and centrifuged to obtain a polymer as a precipitate.
- GPC analysis and NMR analysis were confirmed to be PBA having terminal SH groups (Mw3000, Mn2700, Mw / Mnl. 11).
- ZnO nanoparticles were synthesized as follows. [0067] Zinc acetate dihydrate (220 mg) was dissolved in 2-propanol (80 mL), stirred at 50 ° C for 30 minutes, and then 2-propanol was added to make the total volume 920 mL and cooled to 0 ° C. . To this, 0.0 2 M NaOHZ2-propanol solution (80 mL) was added at once, and the mixture was stirred at 65 ° C. for 2 hours. From TEM analysis, it was confirmed that ZnO nanoparticles with a number average particle size of 5. Inm were generated.
- Zinc acetate dihydrate (11. Og) was dissolved in absolute ethanol (500 mL), and ethanol was slowly distilled off while heating to 80 ° C in a nitrogen atmosphere. When the fraction reached about 300 mL, absolute ethanol (300 mL) was added to the reactor, and LiOH'H 0 (2.9 g) was added.
- Mn-doped ZnO nanoparticles were synthesized as follows.
- Zinc acetate dihydrate (2. 15 g) and manganese acetate tetrahydrate (0.05 g) were dissolved in DMSO (100 mL), and tetramethylammonium hydroxide pentahydrate (30.
- a solution of 8 g) in ethanol (310 mL) was added dropwise with stirring at room temperature. After completion of the dropping, the reaction solution was stirred at 60 ° C for 4 hours, and poured into ethyl acetate (500 mL) to precipitate particles. The obtained particles were dispersed in ethanol (300 mL) and poured into heptane (500 mL) to cause precipitation.
- the obtained particles were dispersed in ethanol (200 mL), dodecylamine (5 g) was dispersed, stirred at room temperature for 2 hours while irradiating with ultrasonic waves, concentrated with a rotary evaporator, and then dissolved in toluene (lOOmL).
- TEM analysis confirmed that Mn-doped ZnO nanoparticles with a number average particle size of 6.7 nm were formed.
- Mn doped with 530nm This was confirmed by the fact that the near emission spectrum was significantly weakened.
- Poly (acrylic acid ZN, N-dimethylacrylamide) having an SH group at the end obtained in Production Example 1 was added to the 2-propanol solution of ZnO nanoparticles obtained in Production Example 6 (5 mL). Then, the solution was concentrated and concentrated with hexane (10 mL) to precipitate polymer-modified ZnO nanoparticles.
- the obtained polymer-modified ZnO nanoparticles were dissolved in methanol (lmL) and purified by pouring into hexane (lOmL) for reprecipitation.
- the obtained polymer-modified ZnO nanoparticles showed a light emission spectrum at 510 nm in methanol, and the TEM observation power was confirmed to contain ZnO nanoparticles. Aggregation of ZnO nanoparticles was not observed in the TEM observation.
- Poly (acrylic acid ZN, N-dimethylacrylamide) (2 g) having an SH group at the terminal obtained in Production Example 1 is dissolved in an ethanol solution (5 mL) of the ZnO nanoparticles obtained in Production Example 7. Ultrasonic irradiation was performed at room temperature for 1 hour. The obtained colloidal solution of polymer-modified ZnO nanoparticles remained transparent even after standing at room temperature for more than 6 months, and as a result of TEM observation, it was confirmed that the ZnO nanoparticles existed without agglomeration. .
- polyacrylic acid (Mw2000, Aldrich) (2 g) was dissolved in an ethanol solution of ZnO nanoparticles obtained in Production Example 7 (5 mL), and ultrasonic irradiation was performed at room temperature for 1 hour. 2 mL of the obtained colloidal solution was taken and poured into hexane (10 mL) to precipitate the polymer. The obtained polymer did not show an emission spectrum, and the presence of ZnO nanoparticles could not be confirmed by TEM observation. It was confirmed by TEM observation that ZnO nanoparticles were present in the supernatant from which the polymer was removed. The remaining colloidal solution (3 mL) became turbid when stored for 1 week at room temperature, and TEM observation confirmed that ZnO nanoparticles were agglomerated.
- the PDMA aqueous solution (1.5 mL) having SH groups at the ends obtained in Production Example 2 is added to the 2-propanol solution (10 mL) of ZnO nanoparticles obtained in Production Example 6 and ultrasonicated at 30 ° C. Light Shooting was carried out for 2 hours. The resulting colloidal solution of polymer-modified ZnO nanoparticles was concentrated and then cast to obtain a transparent film of polymer-modified ZnO nanoparticles. This film was washed with warm water at 80 ° C and observed by TEM. As a result, it was confirmed that ZnO nanoparticles were dispersed without being aggregated.
- a PDMA aqueous solution (2 mL) having an SH group at the terminal obtained in Production Example 2 was dissolved in methanol (5 mL) and mixed with an ethanol solution (5 mL) of ZnO nanoparticles obtained in Production Example 7. After stirring at 50 ° C. for 4 hours, the resulting colloidal solution of polymer-modified ZnO nanoparticles was concentrated and cast to obtain a transparent film of polymer-modified ZnO nanoparticles. This film was washed with warm water at 80 ° C and observed by TEM. As a result, it was confirmed that ZnO nanoparticles were dispersed without aggregation.
- PMMA (lg) having an SH group at the end obtained in Production Example 3 was added to a toluene solution (5 mL) of Mn-doped ZnO nanoparticles obtained in Production Example 8, and the mixture was added at 60 ° C for 2 hours. Ultrasonic irradiation was applied. The obtained polymer-modified ZnO nanoparticle colloidal solution was poured into methanol (50 mL) to precipitate polymer-modified ZnO nanoparticles. The presence of dodecylamine was confirmed by GC analysis of the supernatant. This is because the surface of the ZnO nanoparticle was replaced with PMMA having an SH group at the end of the dodecylamine force.
- PSt (lg) having an SH group at the end obtained in Production Example 4 was added to the toluene solution (5 mL) of Mn doped ZnO nanoparticles obtained in Production Example 8, and the mixture was added at 60 ° C. Ultrasonic irradiation for hours. The resulting solution was poured into methanol (50 mL) to precipitate the polymer. The presence of dodecylamine was confirmed by GC analysis of the supernatant. This is due to the substitution of PSt with SH groups at the dodecylamine force ends that protected the surface of the ZnO nanoparticles. It was also confirmed from the TEM analysis and emission spectrum analysis that the supernatant contained almost no Mn-doped ZnO nanoparticles.
- the polymer-modified ZnO nanoparticles were washed with methanol and cast using toluene (5 mL) to produce a film. It was confirmed by TEM observation that the Mn-doped ZnO nanoparticles were dispersed without being aggregated.
- PBA (lg) having an SH group at the terminal obtained in Production Example 5 was dissolved in acetone (5 mL), and added to an ethanol solution (5 mL) of ZnO nanoparticles obtained in Production Example 7.
- the obtained solution was irradiated with ultrasonic waves at room temperature for 2 hours, concentrated and dried under reduced pressure to obtain ZnO nanoparticles modified with PBA.
- These transparent colloidal solutions were stable when stored for more than 6 months at room temperature, and no aggregation of ZnO nanoparticles was observed.
- Zinc acetate dihydrate (lOmg) was added to 2-propanol (80mL) and stirred at 50 ° C for 1 hour with vigorous stirring. 2-Propanol was added to bring the total volume of the solution to 920 mL and cooled to 0 ° C. This solution was divided into four equal parts as a stock solution.
- PDMA (1.8 g) having an SH group at the end obtained in Production Example 2 was added to one of the stock solutions, and a methanol solution of NaOH (0.02 mol / L) while sonicating at room temperature. (50 mL) was added dropwise over 2 hours. Furthermore, ultrasonic irradiation and stirring were continued for 2 hours at room temperature. As a result of TEM observation, it was confirmed that ZnO nanoparticles with a number average particle diameter of 2.5 nm were present without agglomeration. The transparent colloidal solution of ZnO nanoparticles surface-modified with PDMA obtained in this way was stable even after storage for more than 6 months at room temperature.
- Example 8 One of the stock solutions of Example 8 includes a commercially available polybulol pyrrolidone (PVP) (Mwl0000, (Rudrich) (1.3 g) was added, and a methanol solution of NaOH (0.02 mol / L) (50 mL) was added dropwise over 2 hours while sonicating at room temperature. Furthermore, ultrasonic irradiation and stirring were continued for 2 hours at room temperature. As a result of TEM observation, it was confirmed that ZnO nanoparticles having a number average particle diameter of 3. lnm existed without being aggregated. However, it was confirmed that the transparent colloidal solution of ZnO nanoparticles surface-protected with PVP thus obtained was turbid when stored for about 3 weeks at room temperature, and the ZnO nanoparticles aggregated. .
- PVP polybulol pyrrolidone
- Reflux condenser with nitrogen introduction tube, magnetic stirrer, thermocouple for temperature measurement 4 Roflasco (lOOmL), dimethylformamide (50mL), azobisisobuti-tyl-tolyl (5.3 mg), 1-Fuel Tildithiobenzoate (42 mg) and acrylic acid (20 mL) were added, and the inside of the reactor was deaerated and purged with nitrogen.
- the reaction solution was stirred for 4 hours at 60 ° C. (conversion rate 21%), cooled to room temperature, NaOH (lOg) was added, and the mixture was stirred at 60 ° C. for 8 hours.
- the reaction solution was concentrated and poured into toluene (200 mL) to precipitate a polymer.
- ZnS nanoparticles were synthesized with reference to J. Luminescence 2003, 102-103, 768.
- Zinc acetate dihydrate (2.5 g; 11.4 mmol) and mercaptoacetic acid (21 g; 22.8 mmol) were dissolved in dimethylformamide (200 mL) and placed in a three-necked flask. Replaced. Adjust the pH of the solution to 8 by adding 2M aqueous sodium hydroxide solution, and do not stir at room temperature. The dropping funnel force is also an aqueous solution (50 mL of sodium sulfate nonahydrate (2.7 g; l l. 2 mmol)). ) was added dropwise over 30 minutes.
- ZnS Mn nanoparticles were synthesized with reference to Nano Lett. 2001, 1, 429.
- PAANa (0.5 g) having an SH group at the terminal obtained in Production Example 9 was dissolved in dimethylformamide (5 mL), and ZnS nanoparticles (5 mg) obtained in Production Example 10 were obtained. Stir at room temperature for 5 minutes. The solution was concentrated to 2 mL and poured into hexane (10 mL) to obtain polymer-modified ZnS nanoparticles. The polymer-modified ZnS nanoparticles showed an emission spectrum at 425 nm in methanol. Also, after drying under reduced pressure and leaving in a force atmosphere for 3 months, when dissolved in methanol, the same emission spectrum was shown and no aggregation was observed by TEM observation.
- PAANa 0.5 g having an SH group at the terminal obtained in Production Example 9 was dissolved in methanol (5 mL) to obtain ZnS: Mn nanoparticles (5 mg) obtained in Production Example 11. Immediately it became a clear solution. Even if this colloid solution is left at room temperature for more than 6 months, the transparency is not lost. As a result of EM observation, it was confirmed that ZnS: Mn nanoparticles existed without agglomeration.
- the ZnS nanoparticles obtained in Production Example 10 (5 mg) were added to the aqueous PDMA solution (1 mL) having SH groups at the ends obtained in Production Example 2, and ultrasonic irradiation was performed at room temperature for 5 minutes. The resulting solution was cast to obtain a transparent film. When this film was washed with warm water at 80 ° C and observed with TEM, it was confirmed that ZnS nanoparticles were dispersed without being aggregated. This film was confirmed to show an emission spectrum at 413 nm.
- the ZnS: Mn nanoparticles (5 mg) obtained in Production Example 11 were added to the PDMA aqueous solution (1 mL) having an SH group at the terminal obtained in Production Example 2.
- a transparent solution was obtained after 5 minutes of ultrasonic irradiation at room temperature. This solution was cast to obtain a transparent film. When this film was washed with hot water at 80 ° C. and observed by TEM, it was confirmed that ZnS: Mn nanoparticles were dispersed without being aggregated. This film was confirmed to show an emission spectrum at 598 nm.
- PMMA (0.5 g) having an SH group at the end obtained in Production Example 3 was dissolved in black mouth form (2 mL) and mixed with an aqueous solution (2 mL) of ZnS nanoparticles (8 mg) obtained in Production Example 10. did .
- the UV lamp was irradiated, luminescence was observed only on the water layer side, but when violently shaken for 10 minutes, the luminescence of the water layer disappeared and only the black mouth form layer began to emit light. It is thought that ZnS nanoparticles were extracted from the aqueous layer into the chloroform layer by binding of the SH group at the end of PMMA to the ZnS nanoparticles.
- a film was prepared by the casting method after separating the black-form layer, and the emission spectrum was measured. The maximum was found at 415 nm. By TEM observation, it was confirmed that ZnS nanoparticles were dispersed in PMMA without aggregation.
- ZnS nanoparticles (5 mg) obtained in Production Example 10 were dissolved in dimethylformamide (2 mL). When this solution was allowed to stand at room temperature for 3 days, it showed no emission spectrum. This is probably because the nanoparticles were agglomerated.
- PDMA poly(ethylene glycol) having an SH group at the end obtained in Production Example 2 was dissolved in dimethylformamide (20 mL), and zinc acetate dihydrate (0.25 g) was added. The resulting solution was placed in 3 Roflasco and the atmosphere in the reaction system was replaced with nitrogen. Adjust the pH of the solution to 8 with 2M sodium hydroxide aqueous solution, and stir at room temperature. Add the dropping funnel power (5mL) of sodium sulfate nonahydrate (0.27g) for 15 minutes. It was dripped over. After stirring at room temperature for 10 hours, the reaction solution was concentrated to 5 mL and poured into hexane (25 mL) to precipitate a polymer.
- the polymer When the polymer was separated by decantation and irradiated with a UV lamp, the polymer emitted light but the supernatant liquid did not.
- the obtained polymer When the obtained polymer was dissolved in dimethylformamide and the emission spectrum was measured, it showed a maximum at 418 nm. This emission spectrum did not change even when stored for 6 months at room temperature.
- the number average particle diameter of the ZnS nanoparticles was 4. lnm.
- Example 17 Comparative Example 15
- PVP polybulurpyrrolidone
- Mw approximately 10,000, manufactured by Aldrich, product number 85, 645-2
- PDMA polybulurpyrrolidone obtained in Production Example 2.
- the separated polymer emitted light by irradiation with a UV lamp, but the supernatant liquid also emitted light in the same manner, and the strength with which the polymer modified the nanoparticles was weaker than in Example 17.
- the polymer obtained was dissolved in dimethylformamide and stored at room temperature for 1 month, the emission spectrum disappeared. It is thought that ZnS nanoparticles have aggregated Industrial applicability
- the polymer-modified nanoparticles of the present invention are phosphors for display, photoelectric conversion elements, light-emitting diodes, wavelength conversion materials, ultraviolet light shielding materials, dye-sensitized solar cells, as materials that stably exhibit quantum effects without aggregation.
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EP1807457A1 (en) * | 2004-11-03 | 2007-07-18 | LG Chem, Ltd. | Vinyl chloride resin composition and method for preparation thereof |
WO2009074554A1 (fr) * | 2007-12-13 | 2009-06-18 | Renault S.A.S. | Procédé de préparation d'un matériau polymère transparent comprenant un polycarbonate thermoplastique et des nanoparticules minérales modifiées en surface |
EP2131870A1 (en) * | 2007-04-12 | 2009-12-16 | Industry-Academic Cooperation Foundation, Yonsei University | Magnetic resonance imaging contrast agents comprising zinc-containing magnetic metal oxide nanoparticles |
WO2011033040A2 (en) | 2009-09-16 | 2011-03-24 | Centrum Für Angewandte Nanotechnologie (Can) Gmbh | Antibacterial particles and their synthesis |
CN112279306A (zh) * | 2020-10-21 | 2021-01-29 | 南京晓庄学院 | 硫化物纳米晶的优化方法和Sn-S-Co纳米晶及其优化产物 |
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EP1807457A1 (en) * | 2004-11-03 | 2007-07-18 | LG Chem, Ltd. | Vinyl chloride resin composition and method for preparation thereof |
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EP2131870A4 (en) * | 2007-04-12 | 2011-08-03 | Univ Yonsei Iacf | CONTRASTING AGENTS FOR MAGNETIC RESONANCE IMAGING WITH ZINC-CONTAINING MAGNETIC METAL OXIDE NANOPARTICLES |
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WO2009074554A1 (fr) * | 2007-12-13 | 2009-06-18 | Renault S.A.S. | Procédé de préparation d'un matériau polymère transparent comprenant un polycarbonate thermoplastique et des nanoparticules minérales modifiées en surface |
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CN112279306A (zh) * | 2020-10-21 | 2021-01-29 | 南京晓庄学院 | 硫化物纳米晶的优化方法和Sn-S-Co纳米晶及其优化产物 |
CN112279306B (zh) * | 2020-10-21 | 2021-07-06 | 南京晓庄学院 | 硫化物纳米晶的优化方法和Sn-S-Co纳米晶及其优化产物 |
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