TW537925B - Aqueous colloidal dispersion of a compound of cerium and at least one other element chosen from among the rare earths, transition metals, aluminium, gallium and zirconium, preparation process and use - Google Patents
Aqueous colloidal dispersion of a compound of cerium and at least one other element chosen from among the rare earths, transition metals, aluminium, gallium and zirconium, preparation process and use Download PDFInfo
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- TW537925B TW537925B TW090101466A TW90101466A TW537925B TW 537925 B TW537925 B TW 537925B TW 090101466 A TW090101466 A TW 090101466A TW 90101466 A TW90101466 A TW 90101466A TW 537925 B TW537925 B TW 537925B
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 title claims abstract description 5
- 229910052733 gallium Inorganic materials 0.000 title claims abstract description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 4
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 4
- 238000002360 preparation method Methods 0.000 title claims description 7
- 229910052684 Cerium Inorganic materials 0.000 title abstract description 5
- 239000004411 aluminium Substances 0.000 title abstract description 3
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 title abstract 4
- 238000001246 colloidal dispersion Methods 0.000 title abstract 2
- 229910052723 transition metal Inorganic materials 0.000 title description 3
- 150000003624 transition metals Chemical class 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002244 precipitate Substances 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000010936 titanium Substances 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 239000002537 cosmetic Substances 0.000 claims abstract description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 239000011651 chromium Substances 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims abstract description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000002270 dispersing agent Substances 0.000 claims description 66
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000005199 ultracentrifugation Methods 0.000 claims description 9
- 229910002651 NO3 Inorganic materials 0.000 claims description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229910003449 rhenium oxide Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 claims description 2
- 150000004714 phosphonium salts Chemical class 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- DYIZHKNUQPHNJY-UHFFFAOYSA-N oxorhenium Chemical compound [Re]=O DYIZHKNUQPHNJY-UHFFFAOYSA-N 0.000 claims 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims 1
- 229910052776 Thorium Inorganic materials 0.000 claims 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000003518 caustics Substances 0.000 claims 1
- 238000005194 fractionation Methods 0.000 claims 1
- 229910052735 hafnium Inorganic materials 0.000 claims 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims 1
- 150000002907 osmium Chemical class 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052720 vanadium Inorganic materials 0.000 abstract description 3
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 229910017052 cobalt Inorganic materials 0.000 abstract description 2
- 239000010941 cobalt Substances 0.000 abstract description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 2
- 238000006555 catalytic reaction Methods 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 8
- 239000012429 reaction media Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 5
- -1 vinegar = Chemical class 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 3
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052702 rhenium Inorganic materials 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 229910052722 tritium Inorganic materials 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000219122 Cucurbita Species 0.000 description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910010270 TiOCl2 Inorganic materials 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical class Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 244000241257 Cucumis melo Species 0.000 description 1
- 235000009847 Cucumis melo var cantalupensis Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000002363 hafnium compounds Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 238000004153 renaturation Methods 0.000 description 1
- 150000003282 rhenium compounds Chemical class 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- HQOJMTATBXYHNR-UHFFFAOYSA-M thallium(I) acetate Chemical compound [Tl+].CC([O-])=O HQOJMTATBXYHNR-UHFFFAOYSA-M 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- KUBYTSCYMRPPAG-UHFFFAOYSA-N ytterbium(3+);trinitrate Chemical compound [Yb+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O KUBYTSCYMRPPAG-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
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- A61K8/26—Aluminium; Compounds thereof
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
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- A61K8/28—Zirconium; Compounds thereof
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- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
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- A61K8/29—Titanium; Compounds thereof
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- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
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- A—HUMAN NECESSITIES
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- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
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- 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
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- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/36—Methods for preparing oxides or hydroxides in general by precipitation reactions in aqueous solutions
- C01B13/363—Mixtures of oxides or hydroxides by precipitation
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- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/229—Lanthanum oxides or hydroxides
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- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
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- A61K2800/413—Nanosized, i.e. having sizes below 100 nm
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- A—HUMAN NECESSITIES
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- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/526—Corrosion inhibitors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- C—CHEMISTRY; METALLURGY
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- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
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Description
五、發明說明(1) 本發明係關於鈽化合物以及至少一個選自除了飾之外的 稀土金屬、鈦、釩、鉻、錳、鐵、鈷、鎳、銅、鋅、鋁、 錢及結之間的其它元素化合物之水性膠質分散劑。 熟知鈽溶膠,十分特殊地是四價鈽之溶膠。而且,與另 —個元素結合之鈽溶膠可以在例如化妝品應用及在發光體 領域中具有大的好處,並特別是那些有可能包括三價鈽 者。但是,在這些應用中需要濃縮及純的溶膠。 々本發明的目的係解決這些困難,並因此包括濃縮及純的 各膠,有可能特別包括三價鈽。 本發明因此係關於鈽化物以及至少一個選自⑨了鈽 的稀土金屬、鈦、釩、鉻、猛、鐵、銘、錄、綱 間的其它元素化合物之水性膠質分散劑,其 特徵在於其展現至多5毫秒/公分之導電性。 以ΪΓ月:::製#這種夥質分散劑之方法,其特徵在於 物及ί使及至少一個以上提及之元《鹽之混合 上反應之又物再分散在水中。 在一經閱讀以下的說明及以各種企 限制性)實例時,將會更*入 131 1J也“之特殊(非 節及優點。 ^更疋王明白本發明的其它特徵、細 在其餘的說明中,w杜,、,竹 物之膊質分吃▲丨+鈽以及另一個以上提及之元素化合 初之修負刀散剤或溶膠今五 液中的鈽以及其它元夸,Γ表任何由在水性液相之懸浮 物)為基準之膠質尺寸、乳化物及/或水合氧化物(氣氧化 之、、、田固體顆粒所構成的系統。如果 537925 五、發明說明(2) =二2也有可能包括束縛或吸附離子之殘餘量,如 舉二的醋=、摔檬酸鹽、硝酸鹽、氣化物或銨。以莫耳 比例X/Ce或(Χ + Υ)/(]β矣千夕a姑士 01^ 間更特殊。值得注意地是可發?在變严此、以介於0. °1至1之 其它元素或完全是膠質形式=tb分散劑中的錦以及 與勝質形<。^式以以離子或乡離子形式 以稀土金屬代表由紀及且右 的调细矣八相夕—主 ,、有原子數介於57至71 (含)之間 的週期表为類之70素所構成的族群之元素。 本發明分散劑的第一個特徵是复 性測量該純度。該導電性是寺以二二分=之導電 佳。更特別地是可以低於〇. 3毫秒/公分。笔/ &刀乂 根據另一個特徵,本發明分散劑 之濃度。將該濃度表示氧化物,並以;== 公升 它兀素或元素等之氧化物總和計算。 及之八 以是至少80公克/公升。 ^ t特別地是該濃度可 分散劑的另一個特徵是其可以包括 案例中,鈽Π量通常是至多50%。在本文及^之鈽。在該 將其以原子比例Ce ΠΙ/總Ce表示。更特 個說明中, 是至多35%。而且,以至少。.5%較二特别地-錦瓜量可以 本發明分散劑是特別純的硝酸鹽陰離 膠質顆粒重量計之硝酸鹽陰離子測量之八畔=精確地是以 離子含量是低於8G ppm。關於其氣化物 1 ^確酸鹽陰 雕千含置,本發明 537925
分散劑也是純的。 元素Μ量通常是至多50%,該量是以元素肘之莫 Μ以及鈽之莫耳數總和之比例。元素Μ可以不同兀素 在。本發明當然適用於含有許多元素讨之分散劑。虱化態存 士本發明分散劑也可以具有_,例>,介於5至 足些接近於中性的pH值有利於本發明分散劑之應 曰。 構成本發明溶膠之膠質顆粒是細顆粒。因此了 =二 有可能特別介於2至6毫微米之間的平 ^可=具 MTEM(高解析穿透電子顯微鏡) ”直^係以 現在將說明製備本發明分散劑之方法。疋的。 本方法包含第-個階段,#中係以至少一 少一個元素Μ鹽之混合物盥认G+ 巾孤U及至 皿鹽戋含有铈IV @ 應。起始點可以特別是鈽 H 3有,17鹽加上鈽DI鹽之混合物。 f i 25 5氧化物型式之產物當成驗使用。可提到驗或 驗土金屬氫氧化物及銨。士叮、&扣 驗或 銨。但是,胺及氨’估 可以使用二級、三級或四級 污染風險。也可素因為其會減低鹼或驗土陽離子之 溶膠1i ξ可:::之醋酸鹽 '氣化物或硝酸鹽與這些 用。可將鈽IV之硝::::酸鹽/氯化物當成鈽m鹽使 及硝酸鹽供做其ς七、做鈽w使用,並且特別將氣化物 元素或元素Μ使用匕。疋素使用。可將相同型式之鹽供做其它 根據本方法特 存在下。 J符徵’鈽鹽與鹼的反應係發生在酸的
第7頁 成之沉澱物。可將沉澱物以放 接著在攪拌之後,將固體與液 作用。如果必要,可重複該操 根據本發明的變形 5以超過濾作用純化及/或 537925 五、發明說明(4) 可提到有可能以無機酸當成酸使用,並且更特別地是在 反應中使用那些對於鈽鹽者,特別是鈽瓜。也可以特別提 到醋酸、硝酸或氫氣酸。 應該注意也可以將併入的鹽之溶液貢獻成為酸。例如, 可以使用酸鼠化欽之溶液當成起始溶液使用,如Ti〇Ci2 · 2HC1。 在反應期間存在或使用的酸量是使得原子比例 H+/(Ce + M)大於 〇·ι,以 〇·25 較佳。 可連續發生鹼與鹽之反應,其表示同時將試劑加入反應 介質中。 反應介質之pH經常是介於7· 6至9· 5之間。有可能在使得 反應介質之pH在反應期間維持不變之條件下操作。 在以上反應結束時會獲得沉澱物。可以任何已知的方法 將該沉澱物與液體介質分離,如舉例的離心作用。接著將 因此獲得的沉澱物再懸浮在水中,以得到本發明分散劑。 在因此獲得的分散劑中的鈽濃度通常是介於〇 . 〇〇5克分子 量至2克分子量之間,以介於〇〇5克分子量至〇25克分子 可以有利於清洗以反應生 入水中的方式進行該清洗, 體介質分離,例如,以離心 作數次。 ,、义喝;愿 再懸浮在水中之後所獲得的分散劑
537925 五、發明說明(5) 可在空氣下或在空氣及氮之大氣中或也 ^及超過遽作用。在發生這些操作下的大氣 轉換成鈽IV之角色。 刀次使鈽m 在再懸浮在水中之後及在視需要之清洗階段之 佳地疋在如果利用濃縮作用之濃縮階段之前,可以乂 進行分散劑之氧化作用,因此改進分散劑之安定性。於 如’可以兩種方式發生該氧化處理。 第一種方式是維持分散劑攪拌及在空氣下經一段時 例如,其可以從3變化至2〇小時。第二種方式是將充曰’ 加入刀散劑中。以調整加入的充氧水量,以便於在最終八 ,劑中獲得以上提及之鈽m/總鈽比例。在將分散劑在、空77 氣下攪拌超過2小時期限之後,進行加入充氧水之該氧: 作用較佳。在加入充氧空氣期間之期限可以是介於3〇八 至6小時之間。 刀、里 可在許多應用中使用本發明分散劑。可提到觸媒作用, 特別是用於汽車燃燒後;在該案例中,以分散劑用於觸媒 之製備作用。_也可將分散劑用於潤滑作用、陶瓷中、生產 發光體化合物、化妝品中,並在該案例中,其可參與化妝 品組合物之製備作用,特別是製備抗—ϋν乳液。也可以將 其當成在基質上的腐蝕劑使用。 現在將提出實例。在這些實例中,以配備丁acussel XE100導電池之METROHM 660 CONDUCTOMETER導電性測量裝 置之輔助測量導電性。依照以上的指示(Ce皿/總。之原 子比例)提供Ce Π含量。 537925 五、發明說明(6) 實例1 該實例係關於具有pH接近於中性之鈽以及鈦之毫微米顆 粒之水性膠質分散劑。以伴隨攪拌加入以下:562. 8公克
Ce(CH3C00 )3 ( 49.3%Ce02,即 1.6 莫耳 Ce)及 125 公克 TiOCl2 · 2HC1(密度1·56之3.19莫耳/公斤,即0.4莫耳Ti02)。將其 以去離子水製成3 00 0毫升。莫耳比例H+/(Ce + Ti)是〇· 4。 在連續組合令達成固體之沉澱作用,其包含: - 1公升反應器,其配備設定在400轉/分鐘之遲鈍型槳 式攪拌器,具有〇. 5公升槽腳及控制電極; -兩個進料燒瓶,其一個包括上述之鈽鹽溶液及另一個 包括3當量氨溶液。 將醋酸鈽與TiOCl2溶液之流速固定在約60 0毫升/小時, 及氨溶液流速是340毫升/小時。因此,在288分鐘時已加 入2880毫升鈽以及鈦鹽之混合物與1 630毫升之3當量氨。 整個反應之反應介質的pH是8. 5。 測得4 7%之Ce + Ti沉澱產量。 獲得以離心作用分離之沉殿物。 測得在1 0 00 °C下煅燒之沉澱物包括15%鈽及鈦氧化物。 以加入無機水分散沉澱物,以獲得〇· 12克分子量Ce + Ti 分散劑。將其攪拌1 5分鐘。進行新鮮的離心作用。因此達 成兩次連續的操作。分散劑之鈽皿含量約6〇%。接著在空 氣下經隔夜攪拌分散劑。在該處理結束時,分散劑之錦瓜 含量是6· 5%,並且總鈽含量是17. 2公克/公升。 以去離子水將100毫升之〇· 1克分子Ce + Ti分散劑稀釋成
537925 五'發明說明(7) 3〇〇毫升。利用3KD膜之超離心作用,將其濃縮成100毫 升。因此進行三次超離心作用。在最後的超離心作用中濃 縮混合物’以獲得濃縮之分散劑,其具有5 . 7 %鈽以及鈦氧 化物濃度。pH是5· 4及導電性是1· 4毫秒/公分。在膠質分 散劑中的硝酸鹽濃度小於80 ppm。以MET低溫裝置觀察到 約3至4毫微米之毫微米顆粒尺寸。 所獲得的分散劑具有至少6個月的安定性。 實例2 该實例係關於中性p Η之鈽以及鈦之毫微米顆粒之水性膠 質分散劑。 ^ 一將以下以伴隨攪拌加入燒杯中:3 〇 7公克硝酸鈽(皿)溶液 ―讼度1· 715 及Η+=〇. 〇1,3Μ/Ι Ce3+,即 〇· 5 3 7 莫耳Ce3+),接 ^194.5 公克 Ce(N03)4 溶液(Ce4、i 325 Μ/Ι,Η+=0·7 當量, 二度Κ44,=0.179莫耳Ce4+),接著先溶解成3 5 8毫升 CH3C00H)。將其以去離0子(一即0.54又耳j 直到獲得g視澄清之溶液為止。3 2媒2 $部授拌, 有約0· 45克分子量鈽以及鐵濃度接者因此獲付的混合物具 在以實例1所說明之連續組合Φ — 因此,在24 0分鐘時已加入2〇〇中〇 = ^固體之沉澱作用。 物與8〇〇毫升之3當量氨。 宅升鈽鹽及鈦鹽之混合 將在空氣下再分散沉殿物之徭 調整至pH 7. 5之去離子水之超迅 $得的朦質分散劑以先 過濾作用清洗,接著以超過
O:\68\68941.ptd 第11頁 537925 五、發明說明(8) 濾:農縮^到獲得具有10,錦以及鐵氧化物濃度之濃縮 分散劑為止。 因此獲得的膠質分散劑具士, 二 、有相對至少6個月的安定性。 實例3 該實例係關於具有Ρ Η接近私 古1 ^田右 n ^ ^ 义於中性之鈽以及鑭之毫微米顆 粒之水性膠質分散劑。 將以下以伴隨攪拌加入繞杯中· 5丨2公克醋酸鈽(4 9 · 3%
Ce〇2)及208立方公分滾縮醋酸,並以去離子水製成3〇〇〇毫 升。 ^以下加入含有1· 2 2 5莫耳Ce之2 5 0 0毫升該醋酸鈽(m) 該溶液中:5 0 0立方公分La (皿)醋醆屋溶液(0 · 5 7克八旦
La,即〇· 2 8 5莫耳La)。莫耳比例HV(Ce + La)是2· ^ = 里 在以實例1所說明之連續組合中達成固體之沉妒 及二,丄在28 7分鐘時已加入26 70毫升之飾-鑭:二溶液 及1971毫升之3N氨。 文孤/合辰 整個反應之反應介質的pH是8·5。 1得8 5 %之C e + L a沉殿產量。 ,得以離心作用分離之沉澱物。 物估在10 00 °C下煅燒之沉澱物具有2 1 %鈽以及鑭氧化 八^ ^入無機水分散沉澱物,以獲得〇· 15克分子詈Γρ4·Τ ^^。將其授掉1 5分鐘。進行新鮮的離心作用u 3 連、,的刼作。分散劑之 〇 %。 乱下經隔夜糌挫八私十, 丄 i 钱者在空 4仪撹拌刀散劑。在該處理結束時,分散劑之鈽皿 :\68\68941.ptd 第12頁 537925 五 發明說明(9) 含量是0 . 5 %。 成3 0 0毫離升子。水將H毫升之〇· 15克分子量Ce +La分散劑稀釋 升。因此、隹 > 二&如膜之超離心作用,將其濃縮成1 〇 〇毫 縮混合物,=ί Ρ Ϊ ί心作用。在最後的超離心作用中濃 觀察刭的q的确酸鹽離子濃度小於80 ppm。以MET低溫裝置 毫微米之毫微米顆粒尺寸。 實例4又彳于的膠質分散劑具有相對至少6個月的安定性。
^ ί T彳列係關於具有1511接近於中性又鈽以及鋁之毫微米顆 极之水性膠質分散劑。 以下以伴隨擾摔加入燒杯中:5 85公克酷酸鈽(49· 3〇/〇 耳,2 η’ l 莫耳Ce) ’ 101 公克A1C12 · 9H20(MW=241 公克/ 莫 不’U*42莫耳A1)及103公克之10克分子4HC1,並以去離 7製成3000毫升。莫耳比例H+/(Ce + A1)是〇·5 〇 在以實例1所說明之連續組合中達成固體之沉澱作用。 因此’在244分鐘時已加入2440毫升該鈽-鋁醋酸鹽溶液 與1 5 8 0毫升之3當量氨。 整個反應之反應介質的pH是8.5。
測得6 4 %之沉澱產量。 獲得以離心作用分離之沉澱物。 評估在1 0 0 0 °C下锻燒之沉澱物具有8 · 1 %鈽以及鋁氧化 物0
O:\68\68941.ptd 第13頁 537925 五、發明說明(ίο) 以加入無機水分散沉澱物,以獲得0 . 2 5克分子量C e + A 1 分散劑。將其攪拌1 5分鐘。進行新鮮的離心作用。因此達 成兩次連續的操作。分散劑之鈽BI含量約6 0 %。接著在空 氣下經隔夜攪拌分散劑。在該處理結束時,鈽Π含量是 3 1% ° 以去離子水將1 00毫升之0. 25克分子量Ce + Al分散劑稀釋 成3 0 0毫升。利用3KD膜之超離心作用,將其濃縮成1 00毫 升。因此進行三次超離心作用。在最後的超離心作用中濃 縮混合物,以獲得濃縮之分散劑,其具有1 0 . 6 %氧化物濃 度。分散劑之pH是6。 因此獲得的膠質分散劑具有相對·至少6個月的安定性。
O:\68\68941.ptd 第14頁 537925 圖式簡單說明 第15頁 m ^ k 號丄 90101466 修正司 :申請日期— 類別:β L- (以上各攔由本局填註)
發明專利說明書 537925 、 發明名稱 中文 錦化合物以及至少一個選自稀土金屬、過渡金屬、4S、鎵與錯的其它元素之水 性膠質分散劑、其製法及用途 英文 AQUEOUS COLLOIDAL DISPERSION OF A COMPOUND OF CERIUM AND AT LEAST ONE OTHER ELEMENT CHOSEN FROM AMONG THE RARE EARTHS, TRANSITION METALS, ALUMINIUM, GALLIUM AND ZIRCONIUM, PREPARATION PROCESS AND USE 發明人 f中文1 1.金-耶斯錢-欽 姓名 (英文) 1. JEAN-YVES CHANE-CHING 國籍 1.法國 住、居所 1·法國艾歐班市蘇珊路15號 申請人 姓名 1·法商隆迪亞泰瑞賴爾公司 姓名 1.RH0DIA TERRES RARES 國籍 1.法國 住、居所 (事務所) 1·法國拉羅薛爾市工業區柴夫帝拜路26號 || 代表人 姓名 (中文) 1菲利普杜布魯克 代表人 姓名 (英文) 1.PHILIPPE DUBRUC #
O:\68\68941-910815.ptc 第1頁
Claims (1)
- ;號 90101466 4作年:月/Jr ^ 二 -六、肀諝專羽嚴® 1. 一種錦化合物以及以至少一個選自除了錦以外的稀土 金屬、鈦、鈒、鉻、锰、鐵、始、錄、銅、鋅、I呂、鎵及 锆的其它元素Μ化合物之水性膠質分散劑,其特徵在於其 展現至多5毫秒/公分之導電性。 2. 根據申請專利範圍第1項之分散劑,其中其具有鈽氧 化物以及至少一個以上提及其它元素之濃度係至少5 0公克 /公升。 3. 根據申請專利範圍第2項之分散劑,其中其具有鈽氧 化物以及至少一個以上提及其它元素之濃度係至少8 0公克 /公升。 4. 根據申請專利範圍第1或2項之分散劑,其中其包括鈽< Π。 5. 根據申請專利範圍第4項之分散劑,其中其具有相對 於總鈽之至多5 〇 %鈽m值。 6. 根據申請專利範圍第5項之分散劑,其中其具有相對 於總#之至多3 5 %鈽Π值。 7. 根據申請專利範圍第1至3項其中一項之分散劑,其中 其包括至多50 %元素Μ量,其係以Μ元素之莫耳數/元素Μ以 及鈽之總莫耳數之比例表示。 8. 根據申請專利範圍第1至3項其中一項之分散劑,其中 膠質顆粒具有小於80 ppm硝酸鹽含量。 9. 根據申請專利範圍第1至3項其中一項之分散劑,其中^ 其具有介於5至8之間的pH。 1 0. —種製備根據申請專利範圍第1至3項其中一項之 kti b η.ν .逆’O:\68\68941-910815.ptc 第16頁 537925 孝 ;ί:/美丨_案號 90101466_年义月丨/曰_i±^_' 卩請專利範圍 ι^Ι分散劑之方法,其特徵在於將至少一個鈽鹽以及至少一 ‘ H根據申請專利範圍第1項定義的元素Μ之混合物及在使原 . 子比例HV(Ce + M)大於0. 1之酸量存在下與鹼反應,接著將 以上反應之沉澱物再分散在水中。 1 1 .根據申請專利範圍第1 0項之方法,其中原子比例 " H+/(Ce + M)大於 0· 25。 · 1 2.根據申請專利範圍第1 0項之方法,其中沉澱物再分 散在水中之後,以超離心作用純化所獲得的分散劑。 1 3.根據申請專利範圍第1 0或1 2項之方法,其中鈽鹽是 釗ί Π鹽。 1 4.根據申請專利範圍第1 3項之方法,其中鈽鹽為醋酸 b 鹽或氯化物。 1 5.根據申請專利範圍第1 0或1 2項之方法,其中以連續 分式完成反應。 1 6.根據申請專利範圍第1 0或1 2項之方法,其中沉澱物 再分散在水中之後,將分散劑進行氧化處理。 . 1 7.根據申請專利範圍第1 6項之方法,其中在空氣下以 攪拌分散劑或以加入充氧水完成氧化處理。 ’ 1 8.根據申請專利範圍第1至3項其中一項之分散劑,係 用在基質上當成抗腐蝕劑,用在化妝品組合物中,用在催 化作用中供汽車後燃燒,用在潤滑作用中或用在陶瓷中。&O:\68\68941-910815.ptc 第17頁
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FR0001001A FR2804102B1 (fr) | 2000-01-26 | 2000-01-26 | Dispersion colloidale aqueuse d'un compose de cerium et d'au moins un autre element choisi parmi les terres rares, des metaux de transition, l'aluminium, le gallium et le zirconium, procede de preparation et utilisation |
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US (1) | US7008965B2 (zh) |
EP (1) | EP1250285B1 (zh) |
JP (1) | JP2003520748A (zh) |
KR (1) | KR100519403B1 (zh) |
CN (1) | CN1185163C (zh) |
AT (1) | ATE264810T1 (zh) |
AU (1) | AU2001235601A1 (zh) |
BR (1) | BR0107903A (zh) |
CA (1) | CA2398785A1 (zh) |
DE (1) | DE60102892T2 (zh) |
FR (1) | FR2804102B1 (zh) |
MX (1) | MXPA02007251A (zh) |
NO (1) | NO20023533L (zh) |
RU (1) | RU2002122751A (zh) |
TW (1) | TW537925B (zh) |
WO (1) | WO2001055029A1 (zh) |
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JP4006976B2 (ja) | 2000-11-15 | 2007-11-14 | 株式会社豊田中央研究所 | 複合酸化物粉末とその製造方法及び触媒 |
FR2831177B1 (fr) | 2001-10-22 | 2005-02-18 | Rhodia Elect & Catalysis | Dispersion colloidale et poudre colorees de cerium ou de cerium et de titane, de zirconium, d'aluminium ou d'une terre rare, leur procede de preparation et leur utilisation |
EP1472319A1 (en) | 2002-01-04 | 2004-11-03 | University Of Dayton | Non-toxic corrosion protection pigments based on cobalt |
US7235142B2 (en) | 2002-01-04 | 2007-06-26 | University Of Dayton | Non-toxic corrosion-protection rinses and seals based on cobalt |
WO2004041942A1 (fr) * | 2002-10-24 | 2004-05-21 | Rhodia Electronics And Catalysis | Dispersion colloidale et poudre colorees de cerium ou de cerium et de titane, de zirconium, d'aluminium ou d'une terre rare, leur procede de preparation et leur utilisation |
US10041176B2 (en) | 2005-04-07 | 2018-08-07 | Momentive Performance Materials Inc. | No-rinse pretreatment methods and compositions |
FR2884732B1 (fr) * | 2005-04-20 | 2007-08-24 | Rhodia Chimie Sa | Dispersion colloidale d'un compose de cerium et d'un autre element choisi parmi le zirconium, les terres rares, le titane et l'etain, solide dispersible a base de ce compose et procedes de preparation |
EA018857B1 (ru) * | 2005-08-25 | 2013-11-29 | Свенска Статойл Аб | Смазочное масло для двигателя внутреннего сгорания и его применение |
KR100728714B1 (ko) | 2006-06-30 | 2007-06-14 | 이만식 | 기유 내에서의 구리-아연 콜로이드 합성물 및 그 제조방법 |
US10435639B2 (en) | 2006-09-05 | 2019-10-08 | Cerion, Llc | Fuel additive containing lattice engineered cerium dioxide nanoparticles |
US8883865B2 (en) | 2006-09-05 | 2014-11-11 | Cerion Technology, Inc. | Cerium-containing nanoparticles |
CA2839886C (en) * | 2006-09-05 | 2017-11-28 | Cerion Technology, Inc. | Method of conditioning an internal combustion engine |
US8679344B2 (en) * | 2008-12-17 | 2014-03-25 | Cerion Technology, Inc. | Process for solvent shifting a nanoparticle dispersion |
WO2015058037A1 (en) | 2013-10-17 | 2015-04-23 | Cerion, Llc | Malic acid stabilized nanoceria particles |
EP3215175A4 (en) | 2014-11-06 | 2018-06-27 | Scholar Rock, Inc. | Anti-pro/latent-myostatin antibodies and uses thereof |
CN107697942B (zh) * | 2017-11-23 | 2020-03-13 | 包头科日稀土材料有限公司 | 一种沉淀稀土离子制备碳酸铈的方法 |
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GB1603794A (en) * | 1978-05-25 | 1981-11-25 | Atomic Energy Authority Uk | Dispersions |
DE2857146T1 (de) * | 1977-11-01 | 1980-12-04 | Atomic Energy Authority Uk | Production of dispersions |
US4356106A (en) * | 1980-05-09 | 1982-10-26 | United Kingdom Atomic Energy Authority | Cerium compounds |
DE3271142D1 (en) * | 1981-08-07 | 1986-06-19 | Atomic Energy Authority Uk | Cerium compounds |
US4551330A (en) * | 1983-06-30 | 1985-11-05 | Helene Curtis Industries, Inc. | Skin and hair conditioner compositions and conditioning method |
JPH01301517A (ja) * | 1988-05-30 | 1989-12-05 | Catalysts & Chem Ind Co Ltd | 酸化チタン・酸化セリウム複合系ゾルが配合された化粧料 |
ATE176077T1 (de) * | 1994-07-07 | 1999-02-15 | Chiron Diagnostics Corp | Hochdispergierte magnetische metalloxidteilchen,produktionsverfahren und anwendung |
FR2770790B1 (fr) * | 1997-11-10 | 1999-12-10 | Rhodia Chimie Sa | Composition a support a base d'un oxyde de cerium, d'un oxyde de zirconium et d'un oxyde de scandium ou de terre rare et utilisation pour le traitement des gaz d'echappement |
FR2771306B1 (fr) * | 1997-11-25 | 2000-02-04 | Rhodia Chimie Sa | Composition a base de manganese et utilisation comme piege a nox pour le traitement de gaz d'echappement |
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EP1250285A1 (fr) | 2002-10-23 |
NO20023533L (no) | 2002-09-26 |
FR2804102B1 (fr) | 2002-08-16 |
JP2003520748A (ja) | 2003-07-08 |
DE60102892D1 (de) | 2004-05-27 |
RU2002122751A (ru) | 2004-02-27 |
DE60102892T2 (de) | 2005-05-12 |
BR0107903A (pt) | 2002-12-03 |
KR20020089329A (ko) | 2002-11-29 |
US7008965B2 (en) | 2006-03-07 |
EP1250285B1 (fr) | 2004-04-21 |
CN1400954A (zh) | 2003-03-05 |
WO2001055029A1 (fr) | 2001-08-02 |
US20030162843A1 (en) | 2003-08-28 |
FR2804102A1 (fr) | 2001-07-27 |
AU2001235601A1 (en) | 2001-08-07 |
ATE264810T1 (de) | 2004-05-15 |
KR100519403B1 (ko) | 2005-10-07 |
CN1185163C (zh) | 2005-01-19 |
NO20023533D0 (no) | 2002-07-24 |
MXPA02007251A (es) | 2003-09-22 |
CA2398785A1 (fr) | 2001-08-02 |
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