JPH10501209A - 脱水酸化キャリアーの調製 - Google Patents
脱水酸化キャリアーの調製Info
- Publication number
- JPH10501209A JPH10501209A JP8501378A JP50137896A JPH10501209A JP H10501209 A JPH10501209 A JP H10501209A JP 8501378 A JP8501378 A JP 8501378A JP 50137896 A JP50137896 A JP 50137896A JP H10501209 A JPH10501209 A JP H10501209A
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- silica
- carbonate
- group
- hydroxyl
- 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.)
- Granted
Links
- 238000006297 dehydration reaction Methods 0.000 title description 19
- 230000018044 dehydration Effects 0.000 title description 18
- 238000002360 preparation method Methods 0.000 title description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000002245 particle Substances 0.000 claims abstract description 57
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 50
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 36
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 25
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 17
- -1 diaryl carbonate Chemical compound 0.000 claims abstract description 17
- 125000004104 aryloxy group Chemical group 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 44
- 239000002585 base Substances 0.000 claims description 25
- 239000002904 solvent Substances 0.000 claims description 23
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 16
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 13
- 238000005906 dihydroxylation reaction Methods 0.000 claims description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 7
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical compound C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 claims description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 4
- 239000012298 atmosphere Substances 0.000 claims description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 2
- 150000003512 tertiary amines Chemical class 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 12
- 239000000969 carrier Substances 0.000 abstract description 7
- 229920000098 polyolefin Polymers 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 15
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 12
- 125000000217 alkyl group Chemical group 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000002685 polymerization catalyst Substances 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012024 dehydrating agents Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 150000001282 organosilanes Chemical class 0.000 description 2
- 239000010412 oxide-supported catalyst Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 125000005372 silanol group Chemical group 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0201—Oxygen-containing compounds
- B01J31/0211—Oxygen-containing compounds with a metal-oxygen link
-
- 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
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0207—Pretreatment of the support
-
- 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
-
- 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
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/506—Method of making inorganic composition utilizing organic compound, except formic, acetic, or oxalic acid or salt thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Catalysts (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Silicon Compounds (AREA)
- Polymerization Catalysts (AREA)
- Polyesters Or Polycarbonates (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.酸化物が1グラムの酸化物あたり10ミリモル未満の表面ヒドロキシル基を含 んで成り、かつ該酸化物がアルコキシ基、アリールオキシ基およびその混合物か ら成る群から選択される基をその表面上に含んで成る、多孔質の脱水酸化された 酸化物粒子。 2.上記酸化物がシリカ、アルミナ、シリカアルミナ、リン酸アルミニウム、チ タニア、シリカ−チタニア、マグネシア、シリカマグネシアおよびその混合物か ら成る群から選択される、請求の範囲第1項に記載の脱水酸化された酸化物。 3.上記酸化物がシリカを含んで成る、請求の範囲第2項に記載の脱水酸化され た酸化物。 4.上記シリカが約50−1000m2/gの表面積、および少なくとも0.3cc/gの細孔容 量を有する、請求の範囲第3項に記載の脱水酸化されたシリカ。 5.上記シリカがシリカゲルである、請求の範囲第3項に記載の脱水酸化された シリカ。 6.酸化物粒子の表面からヒドロキシル基を除去する方法であって、 (a)該ヒドロキシル−含有酸化物を、ジアルキルカーボネート、ジアリールカ ーボネートおよびその混合物から成る群から選択されるカーボネートならびに塩 基と接触させて混合物を形成し、 (b)該混合物を加熱し、これにより該ヒドロキシル−含有酸化物およびカーボ ネートを反応させて少なくとも一部の該ヒドロキシル基を除去し、そして該酸化 物の表面にアルコキシおよび/またはアリールオキシ基を形成し、 (c)工程(b)で形成した脱水酸化された酸化物を回収する、 工程を含んで成る、上記方法。 7.工程(a)が上記ヒドロキシル−含有酸化物を、溶媒中の該カーボネートお よび塩基の溶液に含浸させることを含んで成る、請求の範囲第6項に記載の方法 。 8.上記溶媒が非−水性である、請求の範囲第7項に記載の方法。 9.上記カーボネートが、ジメチルカーボネート、ジエチルカーボネート、メチ ルエチルカーボネート、ジフェニルカーボネートおよびその混合物から成る群か ら選択される、請求の範囲第6項に記載の方法。 10.上記塩基がアルカリ金属水酸化物、三級アミン、アニリン、n-ブチルリチ ウムおよびその混合物から成る群から選択される、請求の範囲第6項に記載の方 法。 11.上記溶媒が、ヘキサン、ヘプタン、トルエン、エーテル、テトラヒドロフ ランおよびその混合物から成る群から選択される、請求の範囲第8項に記載の方 法。 12.混合物が工程(b)で約30−150℃に加熱される、請求の範囲第6項に記 載の方法。 13.工程(c)が上記溶媒を蒸発により除去することを含んで成る、請求の範 囲第7項に記載の方法。 14.上記の脱水酸化された酸化物が、工程(b)および(c)の間に溶媒を用 いて洗浄される、請求の範囲第7項に記載の方法。 15.上記加熱が不活性な雰囲気中で行われる、請求の範囲第12項に記載の方 法。 16.上記溶媒が、加熱工程(b)中で還流される、請求の範囲第7項に記載の 方法。 17.上記ヒドロキシル−含有酸化物がシリカ、アルミナ、シリカアルミナ、リ ン酸アルミナ、チタニア、シリカ−チタニア、マグネシア、シリカマグネシアお よびその混合物から成る群から選択される、請求の範囲第6項に記載の方法。 18.上記ヒドロキシル−含有酸化物が、その中に含まれる自由水を除去するた めに、工程(a)の前に処理される、請求の範囲第6項に記載の方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/258,396 US5391531A (en) | 1994-06-13 | 1994-06-13 | Preparation of dehydroxlated supports |
| US08/258,396 | 1994-06-13 | ||
| US08/331,438 US5583085A (en) | 1994-06-13 | 1994-10-31 | Preparation of dehydroxylated supports |
| US08/331,438 | 1994-10-31 | ||
| PCT/US1995/000042 WO1995034584A1 (en) | 1994-06-13 | 1995-01-03 | Preparation of dehydroxylated supports |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10501209A true JPH10501209A (ja) | 1998-02-03 |
| JP3630432B2 JP3630432B2 (ja) | 2005-03-16 |
Family
ID=26946617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50137896A Expired - Fee Related JP3630432B2 (ja) | 1994-06-13 | 1995-01-03 | 脱水酸化キャリアーの調製 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5583085A (ja) |
| EP (1) | EP0765345B1 (ja) |
| JP (1) | JP3630432B2 (ja) |
| KR (1) | KR100339927B1 (ja) |
| AU (1) | AU1407895A (ja) |
| DE (1) | DE69503632T2 (ja) |
| MY (1) | MY130507A (ja) |
| WO (1) | WO1995034584A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017537780A (ja) * | 2014-12-04 | 2017-12-21 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 芳香族カーボネート生成触媒を調製するためのプロセス |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19639016A1 (de) * | 1996-09-23 | 1998-03-26 | Basf Ag | Mesoporöses Siliciumdioxid, Verfahren zu seiner Herstellung und seiner Verwendung |
| WO2000035582A2 (es) * | 1998-12-16 | 2000-06-22 | Universidad Iberoamericana, A.C. | Base soporte para la preparacion de catalizadores deshidroxilados de red cristalina y procedimiento para la elaboracion de dichos catalizadores |
| US6288257B1 (en) * | 1999-08-20 | 2001-09-11 | General Electric Company | Method for making tetraorganooxysilanes |
| US7067103B2 (en) | 2003-03-28 | 2006-06-27 | Headwaters Nanokinetix, Inc. | Direct hydrogen peroxide production using staged hydrogen addition |
| US7011807B2 (en) | 2003-07-14 | 2006-03-14 | Headwaters Nanokinetix, Inc. | Supported catalysts having a controlled coordination structure and methods for preparing such catalysts |
| US7045479B2 (en) | 2003-07-14 | 2006-05-16 | Headwaters Nanokinetix, Inc. | Intermediate precursor compositions used to make supported catalysts having a controlled coordination structure and methods for preparing such compositions |
| US7655137B2 (en) * | 2003-07-14 | 2010-02-02 | Headwaters Technology Innovation, Llc | Reforming catalysts having a controlled coordination structure and methods for preparing such compositions |
| US7569508B2 (en) | 2004-11-17 | 2009-08-04 | Headwaters Technology Innovation, Llc | Reforming nanocatalysts and method of making and using such catalysts |
| US7144565B2 (en) | 2003-07-29 | 2006-12-05 | Headwaters Nanokinetix, Inc. | Process for direct catalytic hydrogen peroxide production |
| US7632775B2 (en) | 2004-11-17 | 2009-12-15 | Headwaters Technology Innovation, Llc | Multicomponent nanoparticles formed using a dispersing agent |
| US7396795B2 (en) | 2005-08-31 | 2008-07-08 | Headwaters Technology Innovation, Llc | Low temperature preparation of supported nanoparticle catalysts having increased dispersion |
| US7718710B2 (en) | 2006-03-17 | 2010-05-18 | Headwaters Technology Innovation, Llc | Stable concentrated metal colloids and methods of making same |
| US7541309B2 (en) | 2006-05-16 | 2009-06-02 | Headwaters Technology Innovation, Llc | Reforming nanocatalysts and methods of making and using such catalysts |
| US7563742B2 (en) | 2006-09-22 | 2009-07-21 | Headwaters Technology Innovation, Llc | Supported nickel catalysts having high nickel loading and high metal dispersion and methods of making same |
| KR101610879B1 (ko) | 2013-06-18 | 2016-04-08 | 주식회사 엘지화학 | 실리카 담체 및 그 제조방법과 이를 이용한 메탈로센 촉매 |
| GB201714756D0 (en) | 2017-09-13 | 2017-10-25 | Lucite Int Uk Ltd | A catalyst and a process for the production of ethylenicallly unsaturated carboxylic acids or esters |
| GB201903455D0 (en) | 2019-03-13 | 2019-04-24 | Lucite Int Uk Ltd | A process for the protection of a catalyst, a catalyst therefrom and a process for production of ethylenically unsaturated carboxlyic acids or esters |
| GB201903452D0 (en) | 2019-03-13 | 2019-04-24 | Lucite Int Uk Ltd | A catalyst and a process for the production of ethylenically unsaturated carboxylic acids for esters |
| GB201910754D0 (en) | 2019-07-26 | 2019-09-11 | Lucite Int Uk Ltd | A catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| US11806694B2 (en) | 2020-03-12 | 2023-11-07 | Mitsubishi Chemical UK Limited | Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters |
| CN119264171B (zh) * | 2024-12-09 | 2025-05-09 | 江苏集萃催化材料有限公司 | 利用碳酸酯和废料二氧化硅制备高纯度正硅酸烷基酯和二氧化硅的工艺 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4056668A (en) * | 1966-10-21 | 1977-11-01 | Solvay & Cie | Process for the polymerization and copolymerization of olefins with a solid support catalyst |
| US4593079A (en) * | 1977-05-25 | 1986-06-03 | National Distillers And Chemical Corporation | Resin rheology control process and catalyst therefor |
| GB8827782D0 (en) * | 1988-11-28 | 1988-12-29 | Ici Plc | Catalyst supports |
| JPH04500830A (ja) * | 1989-08-03 | 1992-02-13 | モービル・オイル・コーポレーション | 酸および高級アルカノールで変性した酸化マグネシウム担持チーグラー触媒および分子量分布の狭いhdpeの製造法 |
| US5191123A (en) * | 1990-09-20 | 1993-03-02 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for the preparation of hydroxyl-containing compounds |
-
1994
- 1994-10-31 US US08/331,438 patent/US5583085A/en not_active Expired - Lifetime
-
1995
- 1995-01-03 KR KR1019960707113A patent/KR100339927B1/ko not_active Expired - Fee Related
- 1995-01-03 JP JP50137896A patent/JP3630432B2/ja not_active Expired - Fee Related
- 1995-01-03 WO PCT/US1995/000042 patent/WO1995034584A1/en not_active Ceased
- 1995-01-03 DE DE69503632T patent/DE69503632T2/de not_active Expired - Lifetime
- 1995-01-03 EP EP95905477A patent/EP0765345B1/en not_active Expired - Lifetime
- 1995-01-03 AU AU14078/95A patent/AU1407895A/en not_active Abandoned
- 1995-01-05 MY MYPI95000029A patent/MY130507A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017537780A (ja) * | 2014-12-04 | 2017-12-21 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 芳香族カーボネート生成触媒を調製するためのプロセス |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69503632T2 (de) | 1998-12-24 |
| EP0765345A1 (en) | 1997-04-02 |
| US5583085A (en) | 1996-12-10 |
| KR100339927B1 (ko) | 2002-07-18 |
| WO1995034584A1 (en) | 1995-12-21 |
| AU1407895A (en) | 1996-01-05 |
| MY130507A (en) | 2007-06-29 |
| JP3630432B2 (ja) | 2005-03-16 |
| EP0765345B1 (en) | 1998-07-22 |
| DE69503632D1 (de) | 1998-08-27 |
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