WO2006095845A1 - 規則的に配列したナノ粒子状シリカ、及びその製造方法 - Google Patents
規則的に配列したナノ粒子状シリカ、及びその製造方法 Download PDFInfo
- Publication number
- WO2006095845A1 WO2006095845A1 PCT/JP2006/304696 JP2006304696W WO2006095845A1 WO 2006095845 A1 WO2006095845 A1 WO 2006095845A1 JP 2006304696 W JP2006304696 W JP 2006304696W WO 2006095845 A1 WO2006095845 A1 WO 2006095845A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silica
- amino acid
- basic amino
- nanoparticulate
- self
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 245
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000002245 particle Substances 0.000 claims abstract description 46
- 150000001413 amino acids Chemical class 0.000 claims abstract description 42
- 239000000243 solution Substances 0.000 claims abstract description 30
- 239000007864 aqueous solution Substances 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 230000007062 hydrolysis Effects 0.000 claims abstract description 9
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 37
- 238000002336 sorption--desorption measurement Methods 0.000 claims description 24
- 239000010419 fine particle Substances 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 5
- 238000006068 polycondensation reaction Methods 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 239000011882 ultra-fine particle Substances 0.000 abstract description 18
- 238000012643 polycondensation polymerization Methods 0.000 abstract description 4
- 239000011541 reaction mixture Substances 0.000 abstract description 2
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 36
- 235000001014 amino acid Nutrition 0.000 description 35
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 26
- 238000002441 X-ray diffraction Methods 0.000 description 23
- 238000010304 firing Methods 0.000 description 21
- 239000004472 Lysine Substances 0.000 description 20
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 18
- 125000004432 carbon atom Chemical group C* 0.000 description 18
- 235000019766 L-Lysine Nutrition 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 15
- -1 silicate compound Chemical class 0.000 description 14
- AUHZEENZYGFFBQ-UHFFFAOYSA-N 1,3,5-trimethylbenzene Chemical compound CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 12
- 238000003795 desorption Methods 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 125000003277 amino group Chemical group 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 125000001424 substituent group Chemical group 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000003301 hydrolyzing effect Effects 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 4
- 238000005004 MAS NMR spectroscopy Methods 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 235000018977 lysine Nutrition 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical class C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000008119 colloidal silica Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 125000001841 imino group Chemical group [H]N=* 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 150000001370 alpha-amino acid derivatives Chemical class 0.000 description 2
- 235000008206 alpha-amino acids Nutrition 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000000412 dendrimer Substances 0.000 description 2
- 229920000736 dendritic polymer Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 239000011859 microparticle Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- WJYMPXJVHNDZHD-UHFFFAOYSA-N 1,3,5-triethylbenzene Chemical compound CCC1=CC(CC)=CC(CC)=C1 WJYMPXJVHNDZHD-UHFFFAOYSA-N 0.000 description 1
- 239000004475 Arginine Substances 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 102000004310 Ion Channels Human genes 0.000 description 1
- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 101001018085 Lysobacter enzymogenes Lysyl endopeptidase Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910008051 Si-OH Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910006358 Si—OH Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 241001061127 Thione Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- DIOQZVSQGTUSAI-NJFSPNSNSA-N decane Chemical compound CCCCCCCCC[14CH3] DIOQZVSQGTUSAI-NJFSPNSNSA-N 0.000 description 1
- 125000004663 dialkyl amino group Chemical group 0.000 description 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- MCVFFRWZNYZUIJ-UHFFFAOYSA-M lithium;trifluoromethanesulfonate Chemical compound [Li+].[O-]S(=O)(=O)C(F)(F)F MCVFFRWZNYZUIJ-UHFFFAOYSA-M 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 description 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N n-butylhexane Natural products CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 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
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
- C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
- Y10S977/777—Metallic powder or flake
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/832—Nanostructure having specified property, e.g. lattice-constant, thermal expansion coefficient
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- the present invention relates to a self-organized nanometer characterized by having an average particle diameter of 6 to 20 nm, preferably 8 to 15 nm, and these particles regularly arranged so as to form a simple cubic lattice.
- the present invention relates to particulate silica and a method for producing the same.
- the self-organized nanoparticulate silica of the present invention is prepared by mixing an alkoxysilane and an aqueous solution of a basic amino acid, reacting the mixture at 40 to 100 ° C., and then drying, preferably after drying. Furthermore, it is manufactured by firing.
- a solution of an alkoxysilane compound having 1 to 4 alkoxy groups and a basic amino acid solution are mixed and hydrolyzed and polycondensed at a reaction temperature of 20 to 100 ° C.
- the present invention relates to a method for producing silica fine particles having a particle diameter force of ⁇ 30 nm.
- Fine particles are divided into particles having a particle size larger than about lOOnm and so-called ultrafine particles smaller than lOOnm.
- Microparticles larger than lOOnm have long been used as constituent materials for cement, cosmetics, electronic copy toners, etc.
- Microparticles with a particle size smaller than lOOnm are materials for ceramics, magnetic tape, VLSI devices, etc. Used in the field.
- methods for producing such ultrafine particles metal alkoxide hydrolysis method, coprecipitation method, inorganic salt hydrolysis method, spray drying method, plasma method, laser method, etc. are known. It is also possible to obtain fine particles.
- nano-sized silica fine particles of lOOnm or less are known as silica sol or colloidal silica, and are produced by a method of neutralizing soda silicate with an acid or a method of hydrolyzing a tetraalkoxysilane and performing a condensation polymerization (non-patented). See references 1 and 2;)).
- This colloidal silica is a colloid that is spherical and dispersed in a polar solvent such as water or alcohol, and has already been monodispersed in the solvent.
- condensation polymerization is that also known to synthesize mesoporous silica having a porous structure of nano-sized (non-patent document 3 referred to.) 0
- the obtained ultrafine particles are usually not uniform in particle size distribution but usually have a wide particle size distribution.
- the particle shape is also indefinite.
- Patent Document a method for producing ultrafine silica particles having a uniform particle diameter by producing silicic ultrafine particles on the surface of the dendrimer using a dendrimer having a silylated surface. See 1.) o
- a quaternary ammonia salt or the like is inserted between layers of a swellable layered silicate compound having a particle size of 0.1 to several tens of ⁇ m and dispersed in the resin. Therefore, studies have been made to improve the heat resistance, mechanical properties, gas noirability, etc. of the resin (see Patent Document 2). Furthermore, the development of a resin composite with ultrafine particles with a small particle size is desired, and if nano-sized flat-plate sili- cal fine particles can be produced, they can be used as fillers in various resins. It is believed that while maintaining dispersibility in fat, it is possible to improve properties such as heat resistance, gas barrier properties, and low thermal expansion coefficient of the composite.
- the colloidal silica that has already been monodispersed in a solvent has been combined with a resin by the seed polymerization method while maintaining this dispersed state (see Patent Document 3).
- the composite material manufactured by such a method has not obtained sufficient characteristics.
- the tetrafunctional hydrolyzable silane compound is hydrolyzed in water containing a force thione surfactant, subjected to a condensation polymerization reaction, and the reaction is monofunctionally hydrolyzable during the reaction.
- a solid silica fine particle powder obtained by stopping with an organosilane compound has been developed (see Patent Document 4).
- These fine particles have an area ratio of the differential molecular weight distribution curve measured in terms of polystyrene by gel permeation chromatography, the proportion of components having a molecular weight of 1 million or more is 10% or less, and the number average molecular weight determined by the above measurement Is a powder of flat silica particles having a maximum length of less than 200 nm, an average of 1 to 50 nm, and having at least a triorganosilyl group on the surface, and has a film-forming property. Thin film formation is possible.
- silica having a regular structure with ultrafine particles and mesopores can be used in a material for improving the properties of a resin and a secondary battery only for use as a conventional catalyst or adsorbing material.
- a solid electrolyte There is great expectation as a solid electrolyte, and the development of ultrafine silica as a nanotechnology material has attracted attention.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-2632
- Patent Document 2 Japanese Patent Laid-Open No. 11-92677
- Patent Document 3 Japanese Patent Laid-Open No. 9-194208
- Patent Document 4 Japanese Patent Laid-Open No. 2005-2146
- Patent Document 5 JP 2002-42550 A
- Non-Patent Document 1 The Chemical Society of Japan, Ultrafine Particles Science and Application I, Chemistry Review No. 48, Society Publishing Center (1985)
- Non-Patent Document 2 Shimohira, Ishijima: Nikka Journal, 1981, 1503—1505
- the present invention provides a novel silica having a regular structure with ultrafine particles and mesopores, and a method for producing the same.
- the present invention also provides a dispersion of ultrafine silica, preferably silica ultrafine particles.
- the present invention is characterized in that the average particle size is 4 to 15 nm, preferably 4 to: LOnm, and these particles are regularly arranged so as to form a simple cubic lattice. It relates to structured nanoparticulate silica.
- the present invention mixes an aqueous solution of alkoxysilane and a basic amino acid, reacts the mixed solution at 40 to 100 ° C., and then has an average particle size of 15 to 15 ⁇ m, which also has the power to dry the mixture.
- the present invention relates to a method for producing self-assembled nanoparticulate silica, characterized in that the particles are regularly arranged to form a simple cubic lattice.
- the present invention comprises mixing a solution of an alkoxysilane compound having 1 to 4 alkoxy groups with a basic amino acid solution, and hydrolyzing and polycondensing the mixture at a reaction temperature of 20 to 100 ° C.
- the present invention relates to a method for producing silica fine particles having a particle size of ⁇ 30 nm.
- FIG. 1 is a photograph replacing a drawing showing the result of observation of an example of the self-organized nanoparticulate silica of the present invention with a transmission electron microscope (TEM).
- the white bar on the left shows 50nm.
- silica nanoparticles are visible as black dots, and the self-assembled nanoparticulate silica of the present invention is very regularly aligned.
- silica particles are present on the same line in the vertical and horizontal directions, i.e., four particles adjacent to each other are not squarely staggered. It can be seen that it exists at the position of. This is a very unique structure, and silica particles do not exist so as to close the space closely.
- FIG. 2 shows the orientation of the silica particles in the self-organized nanoparticulate silica of the present invention, schematically showing the azimuthal forces.
- the black dots shown in Fig. 2 original color is blue
- the particle size is about 4 to 15 nm, which is an ultrafine particle.
- the particle size of the silica particles shown in FIG. 1 was about 8.3 to 9.5 nm.
- Tissue-like nanoparticulate silica is characterized by the fact that silica particles adjacent to each other in such a dense state and silica particles adjacent vertically and horizontally have their centers on the same axis. And, as shown in the transmission electron micrograph, such a regular structure extends to the deep part of the whole particle. For this reason, the self-organized nanoparticulate silica of the present invention has relatively large voids and forms mesopores.
- FIG. 3 shows an example of the self-organized nanoparticulate silica of the present invention.
- the self-organized nanoparticulate silica of the present invention shown in FIG. 1 and FIG. 3 is produced using tetraethoxysilane (TEOS) as the alkoxysilane and 1% by mass aqueous lysine solution as the basic amino acid. It has been done.
- Figure 4 shows the X-ray diffraction (XRD) results of this product.
- the vertical axis in Fig. 4 shows the intensity (au), and the horizontal axis shows the value of 2 ⁇ Z degrees.
- the self-assembled nanoparticulate silica of the present invention shows a very sharp peak in XRD, indicating that the particles are very regularly arranged.
- the d values calculated from this XRD pattern were 10.8 nm, 7.5 nm, and 5.
- FIG. 5 shows the results of measuring the nitrogen adsorption / desorption (isothermal) curve of the self-organized nanoparticulate silica.
- the vertical axis in Fig. 5 shows the adsorption / desorption amount (cm 3 Zg), and the horizontal axis shows the relative pressure.
- a black circle ( ⁇ ) indicates adsorption, and a white circle ( ⁇ ) indicates desorption.
- the upper graph in Fig. 5 shows the pore size as a result. As a result, the specific surface area is 269 m 2 / g and the average pore size is 3.6 nm. I found out.
- the nanoparticulate silica of the present invention is preferably composed of ultrafine particles having an average particle diameter of 4 to 30 nm, preferably 4 to 15 nm, 4 to: LOnm, 6 to 20 nm, or 8 to 15 nm.
- the second characteristic is that these silica particles are regularly arranged so as to form a simple cubic lattice, and the silica particles are self-organized.
- the third feature is to form nanoparticulate silica by heating.
- the self-organized nanoparticulate silica of the present invention has a specific surface area force of 200 to 350 m 2 Zg by nitrogen adsorption / desorption measurement, preferably a specific surface area after firing of 200 to 350 m 2 Zg, more preferably 200 -300 m 2 Zg, further having mesopores, preferably having an average pore size of 3-5 nm, more preferably 3-4 nm.
- Nanoparticulate silica was produced for the first time by hydrolyzing alkoxysilane in the presence of a basic amino acid, and is characterized by being produced by such a method.
- the present invention also provides a method for producing silica fine particles having a silica compound strength of particle size of 30 nm.
- the silica fine particles of the present invention have a nano-order particle size and are preferably dispersed in a solvent.
- a solvent such as water or a solvent to which an organic auxiliary agent described later is added is preferable, but the solvent is not limited thereto, and alcohol-based solvents such as methanol and ethanol, acetone, and the like are not limited thereto.
- ketone solvents such as cyclohexanone, ether solvents such as THF, and aromatic hydrocarbon solvents such as benzene and xylene.
- the self-organized nanoparticulate silica of the present invention is prepared by mixing an alkoxysilane and an aqueous solution of a basic amino acid and reacting the mixture at 20 to 100 ° C, preferably 40 to 100 ° C. Thereafter, it can be produced by drying it, preferably after drying and further firing. Further, the silane fine particles of the present invention can be produced by mixing an alkoxysilane and an aqueous solution of a basic amino acid and reacting the mixture at 20 to: LOO ° C, preferably 40 to: LOO ° C. it can.
- the silane fine particles of the present invention are prepared by mixing a solution of an alkoxysilane compound having 1 to 4 alkoxy groups with a basic amino acid solution, and having a temperature of 20 to 100 ° C. Hydrolysis and polycondensation are carried out at the reaction temperature to precipitate a silica compound having a particle size of ⁇ 30 nm.
- the silane fine particles of the present invention produced in this way are dried until the solvent is solidified, preferably after the drying, and further baked to produce the self-organized nanoparticulate silica of the present invention. can do.
- the alkoxysilane used in the method of the present invention is not particularly limited as long as it can be hydrolyzed with an aqueous solution of a basic amino acid to form silica.
- Preferred alkoxysilanes are those having an alkoxy group consisting of a linear or branched alkyl group having 1 to 15, preferably 1 to 10, more preferably 1 to 6 carbon atoms.
- the four alkoxy groups of the alkoxysilane may be different or the same, and preferably tetraalkoxysilane which is the same.
- Preferred alkoxy groups include, but are not limited to, a methoxy group, an ethoxy group, and an n-propoxy group.
- Preferred alkoxysilanes include tetramethoxysilane and tetraethoxysilane (TEOS).
- the alkoxysilane compound having 1 to 4 alkoxy groups is a linear or branched alkyl group having 1 to 15, preferably 1 to 10, more preferably 1 to 6 carbon atoms.
- X represents a hydrogen atom, a hydroxyl group, or an alkyl group having 1 to 5 carbon atoms
- R represents an alkyl group having 1 to 15 carbon atoms
- n represents an integer of 1 to 4
- the alkoxysilane compound represented by these is mentioned.
- the solution of the alkoxysilane compound having 1 to 4 alkoxy groups is preferably an aqueous solution of the alkoxysilane compound described above, but is not limited to this. Examples thereof include a solution, an acetone solution, and a solution of a mixed solvent thereof.
- Examples of basic amino acids used in the method of the present invention include amino groups, carboxyl groups, amino groups, substituted amino groups, imino groups and the like in molecules that are either natural amino acids or non-natural amino acids. What has a basic substituent should just be.
- Preferred basic amino acids include basic groups such as amino groups, substituted amino groups, and imino groups at the ⁇ -position of a-amino acids. 1 or 2 carbon atoms having 1 or 2 substituents, preferably 1 to 2 linear or branched saturated or unsaturated aliphatic hydrocarbon groups having 1 to 2 carbon atoms, Preferably one is a substituted ⁇ -amino acid.
- Examples of basic substituents include amino groups; monoalkylamino groups such as methylamino groups and ethylamino groups; dialkylamino groups such as dimethylamino groups and jetamino groups; imino groups such as amidino groups and guadino groups.
- Examples of the alkyl group as a substituent include a linear or branched aliphatic hydrocarbon group having 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, preferably an alkyl group, preferably a methyl group or an ethyl group.
- the basic substituent may be a pyrrolidyl group, piperidinyl group, morpholino group, piperazil group, homopiperazinyl group, pyridyl group, imidazolyl group or the like, but is preferably a chain. The thing of the shape is mentioned.
- examples of the linear or branched saturated or unsaturated aliphatic hydrocarbon group having 1 to 10 carbon atoms, preferably 3 to 6 carbon atoms include alkyl groups and alkenyl groups.
- a linear alkyl group such as a methyl group, an ethyl group, an n -propyl group, an n-butyl group, an n-pentyl group, an n-hexyl group, and more preferably an n-propyl group or an n-butyl group.
- a linear alkyl group such as a methyl group, an ethyl group, an n -propyl group, an n-butyl group, an n-pentyl group, an n-hexyl group, and more preferably an n-propyl group or an n-butyl group.
- Examples of preferred basic amino acids include amino acids substituted with an ethyl group having an amino group or a gua-dino group, an ⁇ -propyl group, an ⁇ -butyl group, etc. at the ⁇ -position of an ⁇ -amino acid, such as lysine and arginine. Can be mentioned.
- Such a basic amino acid may be an optically active form or a racemic form, but a commercially available optically active basic amino acid is preferable from the viewpoint of availability.
- the aqueous solution of basic amino acids in the method of the present invention can be used in a wide range of concentrations of basic amino acids of 0.1 to 20% by mass, preferably 0.5 to L0% by mass. .
- the amount of the basic amino acid used relative to the alkoxysilane is 0.01 to: L 0, preferably ⁇ or 0.015-0.5, with respect to the monosilane of alkoxysilane. Absent.
- the aqueous solution of the basic amino acid in the method of the present invention can be used as it is after dissolving the basic amino acid.
- the basic amino acid used is sufficiently soluble in water In the case where it does not have a solvent, it can be used by dissolving it by adding a volatile organic solvent, for example, alcohols such as methanol and ethanol, ketones such as acetone and the like. It is also possible to adjust the pH of an aqueous solution of a basic amino acid using a volatile acid such as hydrochloric acid or nitric acid.
- Preferable pH of the aqueous solution of basic amino acid is a force including pH 8 to ll, preferably pH 8 to 10, more preferably pH 9 to 10, but is not limited thereto.
- examples of the basic amino acid solution of the present invention include alcohol solutions such as methanol and ethanol, acetone solutions, and solutions composed of these mixed solvents.
- an organic auxiliary agent can be added to the mixture of the alkoxysilane and basic amino acid aqueous solution in the method of the present invention.
- the organic auxiliaries used here are linear or branched, saturated or unsaturated aliphatic hydrocarbons having 6 to 20 carbon atoms, preferably 6 to 15 carbon atoms; preferably 4 to 20 carbon atoms.
- Is a linear or branched, saturated or unsaturated aliphatic alcohol having 4 to 15 carbon atoms; may have a substituent having 6 to 20 carbon atoms, preferably 6 to 14 carbon atoms, monocyclic, polycyclic Examples thereof include cyclic or condensed cyclic aromatic hydrocarbons.
- aliphatic hydrocarbon examples include linear saturated aliphatic hydrocarbons, that is, alkanes.
- the aliphatic alcohol is preferably a linear saturated aliphatic alcohol, that is, an alcohol.
- the aromatic hydrocarbon is preferably benzene or a derivative thereof.
- substituent in the aromatic hydrocarbon include linear or branched alkyl groups having 1 to 6, preferably 1 to 4 carbon atoms, and halogen atoms such as chlorine and bromine.
- Preferred organic auxiliaries include alkanes such as heptane, octane and decane, alcohols such as hexanol, octanol and decanol, 1,3,5-trimethylbenzene (TMB), 1,3,5-triethylbenzene, etc. However, it is not limited to these.
- the amount of these organic auxiliaries to be used is not particularly limited, but is preferably 0.1 to 2.0 monore, preferably 0.5 to 1.5 monoreca to alkoxysilane 1 monole.
- the above-mentioned organic auxiliary is also added to a mixture of an alkoxysilane compound solution having 1 to 4 alkoxy groups of the present invention and a basic amino acid solution. Can be added.
- the production method of the present invention comprises a mixture of an aqueous solution of an alkoxysilane and a basic amino acid, and optionally a mixture in which the above-mentioned organic auxiliary agent is added to 20 to: LOO ° C, preferably 40 to 100 °.
- the reaction is carried out at C, more preferably at 50-100 ° C.
- the reaction time is 10 to 80 hours, preferably about 20 to 80 hours. Usually, the reaction time is about 30 to 50 hours.
- the reaction can be left alone, but preferably the first 10-20 hours will maintain the homogeneity of the mixture at a relatively low temperature, e.g. 40-80 ° C, preferably around 50-60 ° C.
- a propeller or a stirrer it is preferable to stir well with a propeller or a stirrer. Further, in order to obtain the regularity of the arrangement of the silica particles, it is preferably left still at a high temperature, for example, 70 to 100 ° C, preferably 80 to 100 ° C for 5 hours or more, preferably 10 hours or more. Better! /.
- a mixture of a solution of an alkoxysilane compound having 14 alkoxy groups of the present invention and a basic amino acid solution under the same reaction conditions, and a mixture in which the above-mentioned organic auxiliary agent is added, if necessary, are reacted. be able to.
- the alkoxysilane compound having 14 alkoxy groups in the raw material is hydrolyzed and polycondensed to produce silica fine particles having a particle size of 30 nm of the present invention in the reaction system.
- the self-organized nanoparticulate silica of the present invention is produced by drying at 90-120 ° C., preferably 100 ° C., until the reaction is completed. Can do.
- the self-organized nanoparticulate silica of the present invention can be used after being evaporated to dryness and dried, but it can be calcined at a higher temperature in order to remove organic substances remaining in the reaction mixture. Although it is preferable, firing is not an indispensable process.
- FIG. 7 shows the results of 29 Si- MAS NMR.
- the bottom is before firing, i.e., after being evaporated to dryness and dried, but there is little difference between the two, and the Si peak due to Si-OH near ⁇ 100 is slightly reduced by firing. It turns out that it is a grade.
- Figures 8 and 9 show the results of the nitrogen adsorption / desorption curves.
- Figure 8 shows the result after firing
- Figure 9 shows the result before firing, that is, in the state of being evaporated and dried. Look at the basic differences between the two!
- the self-organized silica nanoparticulate silica of the present invention does not necessarily show a remarkable change at least spectrally before and after firing, and does not necessarily require a firing treatment. Accordingly, it is preferable to perform a baking treatment.
- Firing can be performed in an atmosphere of an inert gas such as nitrogen gas or argon gas.
- the calcination temperature can be the same as in the case of an ordinary silica production method, and can be carried out, for example, at 450 to 700 ° C, preferably 500 to 600 ° C.
- a basic amino acid as in the self-assembled nanoparticulate silica of the present invention, ultrafine particles of silica are regularly arranged to form a structure having mesopores.
- the basic amino acid molecule serves as a base catalyst in the hydrolysis of alkoxysilane, and at the same time, the chain structure of the basic amino acid against the self-organization of silica particles. It is thought that it plays some role.
- the self-organized nanoparticulate silica of the present invention has a structure in which ultrafine silica is regularly ordered, and this structure extends not only to the surface portion but also to the entire particle.
- the silica ultrafine particle force that is regularly arranged as a whole has mesopores large enough to confine and hold various organic substances, and has a novel structure that can be made using only various catalysts and adsorbents. It is useful as a silica thin film, a resin filler, a microelectronic material, and a soot-type substance for producing various carbon nanotubes. The invention's effect
- the present invention provides a self-organized nanoparticulate silica force composed of ultrafine silica particles having a novel structure, and a method for producing the same, and the self-assembled nanoparticulate silica of the present invention is simple. It has a very specific unit cell with a cubic lattice, a mesopore with a large porosity, and an extremely regular structure, so it can be used as a novel silica material without limit. Materials that can be produced.
- the production method of the present invention is a method in which ultrafine particles of silica are self-assembled to form nanoparticulate silica by hydrolysis without using a special template material. It is possible to manufacture and provides an industrial method for manufacturing a novel silica material.
- the silica fine particles of the present invention having a particle size of ⁇ 30 nm have a particle size in the nano-order, the particle size is uniform, and the self-organized nanoparticle-like silica force of the ultrafine particle silica of the present invention.
- it is also useful as a carrier at the molecular level, such as a carrier for active pharmaceutical ingredients.
- FIG. 1 is a photograph replacing a drawing which shows the result of observation of an example of self-organized nanoparticulate silica of the present invention with a transmission electron microscope (TEM).
- TEM transmission electron microscope
- FIG. 2 schematically shows how silica particles are arranged in the self-organized nanoparticulate silica of the present invention from each direction. Black circles (original figure is blue) indicate silica particles.
- the upper part of Fig. 2 is from [100], the middle part is from [110], and the lower part is from [111].
- FIG. 3 is a photograph replacing a drawing which shows the result of observing an example of the self-organized nanoparticulate silica of the present invention with a scanning electron microscope (SEM).
- SEM scanning electron microscope
- the scale on the lower right shows a total scale of 200nm with one scale of 20 ⁇ m.
- FIG. 4 shows the results of X-ray diffraction (XRD) of an example of self-organized nanoparticulate silica of the present invention.
- the vertical axis in Fig. 4 shows the intensity (a.u.), and the horizontal axis shows the value of 2 ⁇ Z degrees.
- FIG. 5 shows the results of measuring nitrogen adsorption / desorption (isothermal) curves of examples of the self-organized nanoparticulate silica of the present invention.
- the vertical axis in FIG. 5 represents the adsorption / desorption amount (cm 3 / g), and the horizontal axis represents the relative pressure.
- Black circles ( ⁇ ) indicate adsorption, and white circles ( ⁇ ) indicate desorption.
- the upper graph in Fig. 5 shows the pore size from this result.
- FIG. 6 shows the results of X-ray diffraction (XRD) before and after calcination of an example of the self-organized nanoparticulate silica of the present invention.
- the upper side of Fig. 6 is after firing, and the lower side is before firing. is there.
- the vertical axis in Fig. 6 shows the intensity (au), and the horizontal axis shows the value of 2 ⁇ Z degrees.
- FIG. 7 shows the results of 29 Si-MAS-NMR before and after calcination of an example of the self-organized nanoparticulate silica of the present invention.
- the upper side of Fig. 7 is after firing, and the lower side is before firing.
- the vertical axis indicates the signal intensity
- the horizontal axis indicates the chemical shift ( ⁇ ).
- FIG. 8 shows the results of measuring nitrogen adsorption / desorption (isothermal) curves after calcination of an example of self-organized nanoparticulate silica of the present invention.
- the vertical axis in FIG. 8 indicates the adsorption / desorption amount (cm 3 Zg), and the horizontal axis indicates the relative pressure.
- Black circles ( ⁇ ) indicate adsorption, and white circles ( ⁇ ) indicate desorption.
- the upper graph in Fig. 8 shows the resulting force as well as the pore size.
- FIG. 9 shows the results of measuring nitrogen adsorption / desorption (isothermal) curves before firing of an example of self-organized nanoparticulate silica of the present invention.
- the vertical axis in Fig. 9 represents the adsorption / desorption amount (cm 3 Zg), and the horizontal axis represents the relative pressure. Black circles ( ⁇ ) indicate adsorption, and white circles ( ⁇ ) indicate desorption.
- the upper graph in Fig. 9 shows the resulting force as well as the pore size.
- Fig. 10 shows the results of the self-organization of the present invention when the amount of L-lysine used in Example 2 was changed in the range of 0.02 mol force and 0.5 mol.
- the result of X-ray diffraction (XRD) of nanoparticulate silica is shown.
- the vertical axis in Fig. 10 shows the intensity (a.u.), and the horizontal axis shows the value of 2 ⁇ / degree.
- FIG. 11 is a transmission electron micrograph (TEM) showing that the silica fine particles of the present invention produced in Example 1 having a particle force of S4 to 30 nm are present in a dispersed state! is there.
- the lower left scale in Fig. 11 indicates 20nm.
- FIG. 12 is an SEM photograph of the silica fine particles produced in Example 1 as in FIG.
- FIG. 13 is a graph showing the X of the self-organized nanoparticulate silica force of the present invention when the mixture is further changed in the range of octanol 5 mass% force 40 mass% in Example 2.
- the results of X-ray diffraction (XRD) are shown.
- the vertical axis indicates intensity (a.u.), and the horizontal axis indicates a value of 20 Z degrees.
- FIG. 14 is a photograph instead of a drawing showing the result of observation with a transmission electron microscope (TEM) when 5% by mass of octanol was further added to this mixture in Example 2.
- the white bar on the left shows 50nm.
- FIG. 15 is a photograph instead of a drawing showing the result of observation with a scanning electron microscope (SEM) when 5% by mass of octanol was further added to this mixture in Example 2.
- the scale on the lower right side is 20nm with one scale being 20nm.
- FIG. 16 shows a case where 5% by mass of ethanol, n-butanol, n-xanol, n-octanol, n-decanol, or n-dodecanol was further added to this mixture in Example 2.
- the result of X-ray diffraction (XRD) of each self-organized nanoparticulate silica of the present invention is shown.
- the vertical axis in Fig. 16 indicates the intensity (a.u.), and the horizontal axis indicates the value of 2 ⁇ Z degrees.
- FIG. 17 shows the X-ray diffraction (XRD) of the self-assembled nanoparticulate silica of the present invention when 1.3 molar equivalents of n-octane were further added to this mixture in Example 2. Results are shown.
- the vertical axis in Fig. 17 indicates the intensity (a.u.), and the horizontal axis indicates the value of 2 ⁇ Z degrees.
- FIG. 18 shows a nitrogen adsorption / desorption (isothermal) curve of the self-assembled nanoparticulate silica of the present invention when n-octane was further added in 1.3 mole equivalent to this mixture in Example 2.
- the measurement results are shown.
- the vertical axis in FIG. 18 indicates the adsorption / desorption amount (cm 3 / g), and the horizontal axis indicates the relative pressure. Black circles ( ⁇ ) indicate adsorption, and white circles ( ⁇ ) indicate desorption.
- the upper graph in Fig. 18 shows the pore size from this result.
- FIG. 19 is a transmission electron microscope (TEM) of the self-assembled nanoparticulate silica of the present invention when 1.3 molar equivalent of n-octane was further added to this mixture in Example 2. It is the photograph replaced with drawing which shows the observation result. The white bar on the left shows 50nm
- FIG. 20 shows a scanning electron microscope (SEM) of the self-assembled nanoparticulate silica of the present invention when 1.3 molar equivalent of n-octane was further added to this mixture in Example 2. It is a photograph which replaces drawing which shows the result observed by.
- the scale on the lower right side is one scale of 20nm, indicating a total of 200nm.
- FIG. 21 shows X-rays of the self-organized nanoparticulate silica of the present invention when 1.2 molar equivalents of 1,3,5-trimethylbenzene was further added to this mixture in Example 2.
- the results of diffraction (XRD) are shown.
- the vertical axis in Fig. 21 shows the intensity (au), and the horizontal axis shows the value of 2 ⁇ Z degrees.
- Fig. 22 shows nitrogen adsorption / desorption of self-organized nanoparticulate silica of the present invention when 1.2 molar equivalents of 1, 3, 5 trimethylbenzene were further added to this mixture in Example 2.
- the result of measuring the wearing (isothermal) curve is shown.
- FIG. 22 represents the adsorption / desorption amount (cm 3 Zg), and the horizontal axis represents the relative pressure. Black circles ( ⁇ ) indicate adsorption, and white circles ( ⁇ ) indicate desorption.
- the upper graph in Fig. 22 shows the resulting force as well as the pore size.
- FIG. 23 shows a transmission electron of the self-assembled nanoparticulate silica of the present invention when 1.2 molar equivalents of 1, 3, 5 trimethylbenzene were further added to this mixture in Example 2. It is the photograph replaced with drawing which shows the result observed with the microscope (TEM). The white bar on the left indicates 50nm.
- FIG. 24 is a graph showing scanning electric power of the self-organized nanoparticulate silica of the present invention when 1.2 molar equivalents of 1, 3, 5 trimethylbenzene were further added to this mixture in Example 2. It is the photograph replaced with drawing which shows the result observed with the child microscope (SEM). The scale on the lower right shows a total of 200 nm with one scale being 20 nm.
- FIG. 25 shows the result of X-ray diffraction (XRD) of nanoparticulate silica as a comparative example when ammonia water was used in place of the L-lysine aqueous solution in Example 2.
- the vertical axis in Fig. 25 shows the intensity (a.u.), and the horizontal axis shows the value of 2 ⁇ Z degrees.
- FIG. 26 shows the results of measuring the nitrogen adsorption / desorption (isothermal) curve of nanoparticulate silica as a comparative example when ammonia water was used in place of the L-lysine aqueous solution in Example 2. Show.
- the vertical axis represents the adsorption / desorption amount (cm 3 Zg), and the horizontal axis represents the relative pressure.
- a black circle ( ⁇ ) indicates adsorption, and a white circle ( ⁇ ) indicates desorption.
- the upper graph in Fig. 26 shows the pore size from this result.
- FIG. 27 shows the results of observation of a nanoparticulate silica as a comparative example with a transmission electron microscope (TEM) when ammonia water was used instead of the L-lysine aqueous solution in Example 2. It is the photograph replaced with drawing to show. The white bar on the left shows 50nm.
- TEM transmission electron microscope
- FIG. 28 shows the results of observation of a nanoparticulate silica as a comparative example with a scanning electron microscope (SEM) when ammonia water was used in place of the L-lysine aqueous solution in Example 2. It is the photograph replaced with drawing to show. The lower scale is lOnm with a total scale of 100 °.
- SEM scanning electron microscope
- FIG. 1 The results of observation of the obtained product with a transmission electron microscope (TEM) are shown in FIG. 1
- the results of observation with a scanning electron microscope (SEM) are shown in FIG. 3
- the results of X-ray diffraction (XRD) are shown in FIG. Shown in 4 respectively.
- Figure 5 shows the measurement results of nitrogen adsorption / desorption (isothermal) curves using the product.
- Example 3 As in Example 2, except that 5% by mass, 10% by mass, 20% by mass, 30% by mass, or 40% by mass of octanol was added to the L-lysine aqueous solution (0.02 mmol) in Example 2. went. When 5% by mass of octanol was added, the number of moles of octanol to TEOS was 1.1.
- Figure 6 shows the results of X-ray diffraction (XRD) before and after firing when 5% by mass of octanol was added.
- Figure 7 shows the results of 29 Si-MAS-NMR, and nitrogen absorption after firing. The results of measuring the desorption (isothermal) curve are shown in Fig. 8, and the results of measuring the nitrogen adsorption / desorption (isothermal) curve after firing are shown in Fig. 9.
- Example 2 Except that 5% by mass of ethanol, n-butanol, n-xanol, n-octanol, n-decanol, or n-dodecanol was added to the L-lysine aqueous solution (0.02 mmol) in Example 2, respectively. The same operation as in Example 2 was performed.
- Example 2 The same procedure as in Example 2 was performed except that 1.3 mol equivalent of n-octane to 1 mol of TEOS was added to the L-lysine aqueous solution (0.02 mmol) in Example 2.
- FIG. 17 shows the results of X-ray diffraction (XRD) of each product obtained
- FIG. 18 shows the results of measurement of nitrogen adsorption / desorption (isothermal) curves.
- TEM transmission electron microscope
- SEM scanning electron microscope
- Example 2 except that 1,3,5-trimethylbenzene (TMB) was added to the L-lysine aqueous solution (0.02 mmol) in Example 2 at a 1.2 molar equivalent with respect to 1 mole of TEOS. Same as o
- Example 2 Instead of the L-lysine aqueous solution (0.02 mmol) in Example 2, ammonia water was converted to ammonia and 0.1 molar equivalent of an aqueous solution was used with respect to 1 mole of TEOS. The same was done.
- the d value in Table 1 is the result calculated based on the XRD pattern, the particle size is the result force calculation of TEM, and the pore size is the nitrogen adsorption / desorption curve force DH method. It is the result calculated from the above.
- the present invention provides a novel silica material having a simple cubic lattice structure in which ultrafine particles of silica are regularly arranged and have mesopores.
- a catalyst an adsorbent, etc.
- it is applicable to microelectronic materials and nanocarbon materials and has industrial applicability.
- the silica material of the present invention can be produced by a simple method without using a special template, it is suitable for industrial production and has industrial applicability.
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EP06715516A EP1857413A4 (en) | 2005-03-10 | 2006-03-10 | REGULARLY ARRANGED NANOPARTICULAR SILICON DIOXIDE AND METHOD OF MANUFACTURING THEREOF |
US11/886,216 US8173092B2 (en) | 2005-03-10 | 2006-03-10 | Regularly arranged nanoparticulate silica and process for producing the same |
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JP2005067665A JP4643314B2 (ja) | 2005-03-10 | 2005-03-10 | 規則的に配列したナノ粒子状シリカ、及びその製造方法 |
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US (1) | US8173092B2 (ja) |
EP (1) | EP1857413A4 (ja) |
JP (1) | JP4643314B2 (ja) |
CN (1) | CN101137579A (ja) |
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Cited By (1)
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CN103086389A (zh) * | 2013-02-27 | 2013-05-08 | 北京农学院 | 硅基介孔材料及其制备方法 |
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JP4765074B2 (ja) * | 2006-08-18 | 2011-09-07 | 国立大学法人神戸大学 | ナノ粒子およびナノ粒子の製造方法 |
KR100828575B1 (ko) * | 2007-01-22 | 2008-05-13 | 인하대학교 산학협력단 | 짧은 수직 채널의 메조 세공을 갖는 소평판형 실리카 |
JP5511194B2 (ja) * | 2009-01-29 | 2014-06-04 | 国立大学法人広島大学 | メソポーラスシリカナノ粒子の製造方法 |
US9249028B2 (en) | 2010-02-08 | 2016-02-02 | Momentive Performance Materials Inc. | Method for making high purity metal oxide particles and materials made thereof |
US8197782B2 (en) | 2010-02-08 | 2012-06-12 | Momentive Performance Materials | Method for making high purity metal oxide particles and materials made thereof |
JP2012140281A (ja) * | 2010-12-28 | 2012-07-26 | Kao Corp | 非球状シリカ微粒子の製造方法 |
CN102951648B (zh) * | 2011-08-31 | 2014-11-26 | 中国石油化工股份有限公司 | 一种纳米二氧化硅的制备方法 |
CN102424961B (zh) * | 2011-12-02 | 2013-05-15 | 北京航空航天大学 | 二氧化硅纳米粒子分散于溶胶体系的溶胶凝胶涂层及其制备方法 |
US9333265B2 (en) * | 2012-02-07 | 2016-05-10 | University Of Tsukuba | Organic-inorganic hybrid composite of polymerized nitroxide compound and inorganic particles |
CN102961762A (zh) * | 2012-11-08 | 2013-03-13 | 上海大学 | 一种利用纳米二氧化硅包裹荧光蛋白的方法 |
CN104609431A (zh) * | 2015-01-19 | 2015-05-13 | 武汉金弘扬化工科技有限公司 | 一种50纳米以下SiO2纳米粒子的合成方法及其粒径控制合成方法 |
CN104828828B (zh) * | 2015-05-08 | 2017-03-08 | 江西纳宇纳米新材料有限公司 | 具有小粒径、超高比表面积的纳米氧化硅 |
JP6728824B2 (ja) * | 2016-03-18 | 2020-07-22 | 株式会社豊田中央研究所 | メソポーラスシリカナノ粒子の製造方法 |
JP6255053B2 (ja) * | 2016-04-20 | 2017-12-27 | 花王株式会社 | 中空シリカ粒子及びその製造方法 |
WO2018156145A1 (en) * | 2017-02-24 | 2018-08-30 | Hewlett-Packard Development Company, L.P. | Inkjet primer fluid |
CN112209389A (zh) * | 2020-09-11 | 2021-01-12 | 江苏大学 | 一种超细纳米二氧化硅球的制备方法 |
CN116621183A (zh) * | 2023-05-06 | 2023-08-22 | 武汉固理新能源科技有限公司 | 一种高纯溶胶的制备方法,由该方法制备的硅溶胶及用途 |
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- 2006-03-10 WO PCT/JP2006/304696 patent/WO2006095845A1/ja active Application Filing
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- 2006-03-10 EP EP06715516A patent/EP1857413A4/en not_active Withdrawn
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JP2002286962A (ja) * | 2001-03-26 | 2002-10-03 | Mitsubishi Chemicals Corp | 微粒子薄膜の製造方法 |
WO2004094311A1 (ja) * | 2003-04-24 | 2004-11-04 | Mitsui Chemicals, Inc. | 多孔質シリカ形成用塗布液 |
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Cited By (2)
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CN103086389A (zh) * | 2013-02-27 | 2013-05-08 | 北京农学院 | 硅基介孔材料及其制备方法 |
CN103086389B (zh) * | 2013-02-27 | 2015-01-21 | 北京农学院 | 硅基介孔材料及其制备方法 |
Also Published As
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JP2006248845A (ja) | 2006-09-21 |
JP4643314B2 (ja) | 2011-03-02 |
US8173092B2 (en) | 2012-05-08 |
EP1857413A1 (en) | 2007-11-21 |
EP1857413A4 (en) | 2013-03-20 |
US20080311397A1 (en) | 2008-12-18 |
CN101137579A (zh) | 2008-03-05 |
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