JP7391667B2 - 疎水性表面改質アルミナ及びその製造方法 - Google Patents
疎水性表面改質アルミナ及びその製造方法 Download PDFInfo
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- JP7391667B2 JP7391667B2 JP2019569328A JP2019569328A JP7391667B2 JP 7391667 B2 JP7391667 B2 JP 7391667B2 JP 2019569328 A JP2019569328 A JP 2019569328A JP 2019569328 A JP2019569328 A JP 2019569328A JP 7391667 B2 JP7391667 B2 JP 7391667B2
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- Prior art keywords
- alumina
- slurry
- organic composition
- acid
- hydrophobic
- Prior art date
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 95
- 230000002209 hydrophobic effect Effects 0.000 title claims description 49
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000000203 mixture Substances 0.000 claims description 66
- 239000002002 slurry Substances 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 38
- 239000002245 particle Substances 0.000 claims description 31
- 150000001875 compounds Chemical class 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 23
- 229910044991 metal oxide Inorganic materials 0.000 claims description 20
- 150000004706 metal oxides Chemical class 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 150000001735 carboxylic acids Chemical class 0.000 claims description 12
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 12
- -1 polyethylene Polymers 0.000 claims description 12
- 229910001593 boehmite Inorganic materials 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004793 Polystyrene Substances 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 229920002223 polystyrene Polymers 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
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- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
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- 229920000573 polyethylene Polymers 0.000 claims description 3
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- NJVOHKFLBKQLIZ-UHFFFAOYSA-N (2-ethenylphenyl) prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1C=C NJVOHKFLBKQLIZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
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- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
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- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- 239000001993 wax Substances 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 description 29
- 239000000047 product Substances 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 15
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000013081 microcrystal Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000004626 scanning electron microscopy Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
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- 239000007789 gas Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000007084 catalytic combustion reaction Methods 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000002159 nanocrystal Substances 0.000 description 4
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- 229910052757 nitrogen Inorganic materials 0.000 description 4
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- 238000001228 spectrum Methods 0.000 description 4
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- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 3
- 229920000299 Nylon 12 Polymers 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000007580 dry-mixing Methods 0.000 description 3
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- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical compound CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 description 2
- ROHFNLRQFUQHCH-UHFFFAOYSA-N Leucine Natural products CC(C)CC(N)C(O)=O ROHFNLRQFUQHCH-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
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- 239000010410 layer Substances 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
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- 125000006850 spacer group Chemical group 0.000 description 2
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- 238000005303 weighing Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000001016 Ostwald ripening Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000013019 agitation Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000013480 data collection Methods 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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- 150000004682 monohydrates Chemical class 0.000 description 1
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/021—After-treatment of oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/40—Compounds of aluminium
- C09C1/407—Aluminium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/38—Particle morphology extending in three dimensions cube-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762520163P | 2017-06-15 | 2017-06-15 | |
| US62/520,163 | 2017-06-15 | ||
| PCT/US2018/037007 WO2018231761A1 (en) | 2017-06-15 | 2018-06-12 | Hydrophobic surface modified aluminas and method for making thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020524126A JP2020524126A (ja) | 2020-08-13 |
| JP2020524126A5 JP2020524126A5 (enExample) | 2021-07-26 |
| JP7391667B2 true JP7391667B2 (ja) | 2023-12-05 |
Family
ID=62817073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019569328A Active JP7391667B2 (ja) | 2017-06-15 | 2018-06-12 | 疎水性表面改質アルミナ及びその製造方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11078367B2 (enExample) |
| EP (1) | EP3638625B9 (enExample) |
| JP (1) | JP7391667B2 (enExample) |
| KR (1) | KR102563994B1 (enExample) |
| CN (1) | CN111010873A (enExample) |
| CA (1) | CA3061987A1 (enExample) |
| RU (1) | RU2769341C2 (enExample) |
| WO (1) | WO2018231761A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115605551A (zh) | 2020-03-10 | 2023-01-13 | 萨索尔（美国）公司（Us） | 用作涂层的利用短链羧酸改性的矾土及其生产方法 |
| CN111924865B (zh) * | 2020-08-05 | 2022-05-06 | 北京化工大学 | 一种晶面选择性生长勃姆石及其制备方法 |
| CN114433041B (zh) * | 2020-10-30 | 2024-03-08 | 中国石油化工股份有限公司 | 一种超大孔氧化铝材料及其制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014062011A (ja) | 2012-09-21 | 2014-04-10 | Jgc Catalysts & Chemicals Ltd | アルミナ水和物微粒子粉末、アルミナ水和物微粒子分散液およびアルミナ水和物微粒子またはアルミナ微粒子層付基材 |
| WO2017075333A1 (en) | 2015-10-30 | 2017-05-04 | Sasol (Usa) Corporation | Hydrophobic surface modified aluminas for polymer compositions and method for making thereof |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4066740A (en) * | 1971-12-06 | 1978-01-03 | Atlantic Richfield Company | Method for producing alumina |
| GB2199541A (en) * | 1986-10-16 | 1988-07-13 | Rig Design Services | Production of engineering drawings |
| CN1095807C (zh) * | 1995-09-01 | 2002-12-11 | 水泽化学工业株式会社 | 碱金属铝配合氢氧化物碳酸盐、和生产该盐的方法及其应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014062011A (ja) | 2012-09-21 | 2014-04-10 | Jgc Catalysts & Chemicals Ltd | アルミナ水和物微粒子粉末、アルミナ水和物微粒子分散液およびアルミナ水和物微粒子またはアルミナ微粒子層付基材 |
| WO2017075333A1 (en) | 2015-10-30 | 2017-05-04 | Sasol (Usa) Corporation | Hydrophobic surface modified aluminas for polymer compositions and method for making thereof |
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| Publication number | Publication date |
|---|---|
| KR102563994B1 (ko) | 2023-08-04 |
| WO2018231761A1 (en) | 2018-12-20 |
| EP3638625C0 (en) | 2024-10-02 |
| US20200056049A1 (en) | 2020-02-20 |
| JP2020524126A (ja) | 2020-08-13 |
| WO2018231761A4 (en) | 2019-01-24 |
| CN111010873A (zh) | 2020-04-14 |
| US11078367B2 (en) | 2021-08-03 |
| RU2769341C2 (ru) | 2022-03-30 |
| CA3061987A1 (en) | 2018-12-20 |
| KR20200038891A (ko) | 2020-04-14 |
| EP3638625B9 (en) | 2025-01-15 |
| EP3638625B1 (en) | 2024-10-02 |
| RU2019141838A3 (enExample) | 2021-09-28 |
| RU2019141838A (ru) | 2021-07-15 |
| EP3638625A1 (en) | 2020-04-22 |
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