JPH0144242B2 - - Google Patents
Info
- Publication number
- JPH0144242B2 JPH0144242B2 JP61309002A JP30900286A JPH0144242B2 JP H0144242 B2 JPH0144242 B2 JP H0144242B2 JP 61309002 A JP61309002 A JP 61309002A JP 30900286 A JP30900286 A JP 30900286A JP H0144242 B2 JPH0144242 B2 JP H0144242B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- hydrotagel
- washed
- silica
- zirconia
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 47
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 36
- 239000011148 porous material Substances 0.000 claims description 35
- 239000003054 catalyst Substances 0.000 claims description 33
- 239000000377 silicon dioxide Substances 0.000 claims description 32
- 239000000243 solution Substances 0.000 claims description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 150000001336 alkenes Chemical class 0.000 claims description 8
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- 150000001340 alkali metals Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000010533 azeotropic distillation Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 239000011877 solvent mixture Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 150000003609 titanium compounds Chemical class 0.000 claims description 4
- 150000003755 zirconium compounds Chemical class 0.000 claims description 4
- 229910001413 alkali metal ion Inorganic materials 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 150000001845 chromium compounds Chemical class 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 2
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 2
- 238000004108 freeze drying Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000001694 spray drying Methods 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010304 firing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 150000003377 silicon compounds Chemical class 0.000 claims 1
- 239000002685 polymerization catalyst Substances 0.000 description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 10
- 229910052804 chromium Inorganic materials 0.000 description 10
- 239000011651 chromium Substances 0.000 description 10
- 238000000975 co-precipitation Methods 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 150000003863 ammonium salts Chemical class 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- BBJSDUUHGVDNKL-UHFFFAOYSA-J oxalate;titanium(4+) Chemical class [Ti+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O BBJSDUUHGVDNKL-UHFFFAOYSA-J 0.000 description 4
- DAWBXZHBYOYVLB-UHFFFAOYSA-J oxalate;zirconium(4+) Chemical class [Zr+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DAWBXZHBYOYVLB-UHFFFAOYSA-J 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 238000001994 activation Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 150000004686 pentahydrates Chemical class 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- HEWZVZIVELJPQZ-UHFFFAOYSA-N 2,2-dimethoxypropane Chemical compound COC(C)(C)OC HEWZVZIVELJPQZ-UHFFFAOYSA-N 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000007580 dry-mixing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 229960001866 silicon dioxide Drugs 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- OVARTBFNCCXQKS-UHFFFAOYSA-N propan-2-one;hydrate Chemical compound O.CC(C)=O OVARTBFNCCXQKS-UHFFFAOYSA-N 0.000 description 1
- 229910002028 silica xerogel Inorganic materials 0.000 description 1
- 229960004029 silicic acid Drugs 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910021512 zirconium (IV) hydroxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Catalysts (AREA)
- Silicon Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54000483A | 1983-10-07 | 1983-10-07 | |
| US540004 | 1983-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62253604A JPS62253604A (ja) | 1987-11-05 |
| JPH0144242B2 true JPH0144242B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-26 |
Family
ID=24153568
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59206473A Granted JPS60108310A (ja) | 1983-10-07 | 1984-10-03 | ジルコニア−チタニア−シリカタ−ゲル及び触媒担体としてのそれらの使用 |
| JP61309002A Granted JPS62253604A (ja) | 1983-10-07 | 1986-12-26 | オレフイン重合又は共重合触媒の製造法 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59206473A Granted JPS60108310A (ja) | 1983-10-07 | 1984-10-03 | ジルコニア−チタニア−シリカタ−ゲル及び触媒担体としてのそれらの使用 |
Country Status (6)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9210265D0 (en) * | 1992-05-13 | 1992-07-01 | Unilever Plc | Catalysts and catalyst supports |
| DE19506843A1 (de) * | 1995-02-28 | 1996-08-29 | Studiengesellschaft Kohle Mbh | Mikroporöse amorphe Mischmetalloxide für formselektive Katalyse |
| DE69715505T2 (de) * | 1996-05-01 | 2003-01-16 | Ineos Silicas Ltd., Warrington | Poröser, anorganischer Katalysatorträger |
| EP1020223A3 (en) | 1999-01-12 | 2001-09-12 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Porous material and production process thereof, catalyst comprising the porous material and process for purifying exhaust gas |
| DE19954827A1 (de) * | 1999-11-13 | 2001-06-07 | Alfred Heidekum | Mikrowellensensitive mikrokomposite Materialien |
| DE10062449A1 (de) * | 2000-12-14 | 2002-06-20 | Degussa | Dotierte Fällungskieselsäure |
| WO2006041170A1 (ja) * | 2004-10-15 | 2006-04-20 | Ngk Insulators, Ltd. | 多孔質構造体の製造方法 |
| US7452841B2 (en) * | 2005-09-23 | 2008-11-18 | Eastman Chemical Company | Catalysts selective for the preparation of mixed ketones from a mixture of carboxylic acids |
| JP5849004B2 (ja) * | 2012-03-28 | 2016-01-27 | 花王株式会社 | オレフィンの製造方法 |
| US11732065B2 (en) | 2020-02-28 | 2023-08-22 | Pq Corporation | Chromium-on-silica catalysts and methods of making the same |
| CN115175946B (zh) * | 2020-02-28 | 2025-08-19 | 埃科维斯特催化剂技术有限责任公司 | 二氧化硅负载铬催化剂和其制造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887494A (en) * | 1970-11-12 | 1975-06-03 | Phillips Petroleum Co | Olefin polymerization catalyst |
| GB1429174A (en) * | 1972-06-12 | 1976-03-24 | Bp Chem Int Ltd | Polymerisation process and catalyst |
| EP0019642A1 (en) * | 1979-05-22 | 1980-12-10 | Phillips Petroleum Company | Process for producing hydrogels, catalysts consisting of such hydrogels having a metallic compound incorporated therein, and use thereof for olefin polymerization |
| US4246137A (en) * | 1979-05-31 | 1981-01-20 | Chemplex Company | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
-
1984
- 1984-08-20 CA CA000461322A patent/CA1243010A/en not_active Expired
- 1984-08-23 DE DE8484110078T patent/DE3483638D1/de not_active Expired - Lifetime
- 1984-08-23 EP EP84110078A patent/EP0137258B1/en not_active Expired - Lifetime
- 1984-09-20 NO NO843761A patent/NO163901C/no unknown
- 1984-10-03 JP JP59206473A patent/JPS60108310A/ja active Granted
- 1984-10-05 FI FI843924A patent/FI79122C/fi not_active IP Right Cessation
-
1986
- 1986-12-26 JP JP61309002A patent/JPS62253604A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1243010A (en) | 1988-10-11 |
| EP0137258A3 (en) | 1988-05-25 |
| FI79122C (fi) | 1989-11-10 |
| NO843761L (no) | 1985-04-09 |
| EP0137258A2 (en) | 1985-04-17 |
| JPS62253604A (ja) | 1987-11-05 |
| NO163901B (no) | 1990-04-30 |
| FI843924A0 (fi) | 1984-10-05 |
| JPS6242847B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-09-10 |
| FI843924L (fi) | 1985-04-08 |
| DE3483638D1 (de) | 1991-01-03 |
| NO163901C (no) | 1990-08-08 |
| JPS60108310A (ja) | 1985-06-13 |
| EP0137258B1 (en) | 1990-11-22 |
| FI79122B (fi) | 1989-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0085357B1 (en) | Heating silica gel in inert atmosphere before activation | |
| US4061596A (en) | Process for preparing titanium oxide shaped carrier | |
| JPS58130115A (ja) | クロム含有キセロゲルの製造方法 | |
| US5183792A (en) | Catalyst for making polyethylene | |
| US4279780A (en) | Method of preparing catalyst supports | |
| JPH09503234A (ja) | 触媒の支持体の調製法、オレフィンの重合用触媒及び該触媒によるオレフィンの重合法 | |
| JPH0144242B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH0580256B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| US4476243A (en) | Olefin polymerization catalyst and catalyst support | |
| JP2004511535A (ja) | オレフィン類の水和方法 | |
| EP0500176B1 (en) | Washing treatment for catalysts and/or catalyst precursors | |
| US3948807A (en) | Oxide catalysts and process for preparation thereof | |
| US4436883A (en) | Polymerization using a support formed by heating silica gel in inert atmosphere | |
| US4791089A (en) | Zirconia-titania-silica tergels and their use as catalyst supports | |
| US3961036A (en) | Alumina synthesis | |
| JPS635135B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| EP0309048B2 (en) | Silica extrudates | |
| US4780446A (en) | Alumina-silica cogel | |
| CA1211428A (en) | Alumina-silica cogel | |
| JP2713842B2 (ja) | オレフィンの重合触媒系 | |
| JPS63248448A (ja) | 触媒の製造方法およびオリゴマー化方法 | |
| JP2003040689A (ja) | 高純度多孔質酸化チタン及びその製造方法 | |
| USRE31761E (en) | Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts | |
| WO1986000299A1 (en) | Coformed catalyst and process of use | |
| JPH08224472A (ja) | オレフィンの水和反応用触媒及びその製造方法 |