RU95122675A - Способ приготовления носителя для катализаторов, катализатор для полимеризации олефинов и способ для полимеризации олефинов при помощи этого катализатора - Google Patents
Способ приготовления носителя для катализаторов, катализатор для полимеризации олефинов и способ для полимеризации олефинов при помощи этого катализатораInfo
- Publication number
- RU95122675A RU95122675A RU95122675/04A RU95122675A RU95122675A RU 95122675 A RU95122675 A RU 95122675A RU 95122675/04 A RU95122675/04 A RU 95122675/04A RU 95122675 A RU95122675 A RU 95122675A RU 95122675 A RU95122675 A RU 95122675A
- Authority
- RU
- Russia
- Prior art keywords
- catalyst
- spraying
- gel
- carried out
- polymerization
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 7
- 150000001336 alkenes Chemical class 0.000 title claims 4
- 238000006116 polymerization reaction Methods 0.000 title claims 4
- 238000005507 spraying Methods 0.000 claims 5
- 239000007789 gas Substances 0.000 claims 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 4
- 229910052710 silicon Inorganic materials 0.000 claims 4
- 239000010703 silicon Substances 0.000 claims 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 239000002253 acid Substances 0.000 claims 3
- 239000000969 carrier Substances 0.000 claims 3
- 239000000725 suspension Substances 0.000 claims 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- 238000006460 hydrolysis reaction Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 235000012239 silicon dioxide Nutrition 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K Aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N al2o3 Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- -1 aluminum compound Chemical class 0.000 claims 1
- 238000009835 boiling Methods 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 238000001879 gelation Methods 0.000 claims 1
- 239000003349 gelling agent Substances 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 1
- 230000035800 maturation Effects 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 229940085991 phosphate ion Drugs 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N precursor Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000001694 spray drying Methods 0.000 claims 1
Claims (10)
1. Способ приготовления носителя для катализаторов, содержащего двуокись кремния и по меньшей мере компонент, выбираемый из окиси алюминия и фосфата алюминия, по которому смешивают в первой стадии, спирт, воду, алкоголят кремния и кислоту, взятые в таких количествах, чтобы молярное отношение воды и кремния было от 2 до 50; первую стадию осуществляют при кислотности рН путем смешивания воды, кислоты, алкоголята кремния и спирта, причем температура во время смешивания ниже или равна 30oС и последующего созревания полученной гидролизной среды при температуре, по меньшей мере равной 20oС и ниже температуры кипения среды, при этом по меньшей мере часть алкоксигрупп алкоголята кремния замещаются гидроксигруппами, без осаждения или гелеобразования двуокиси кремния; в полученную гидролизную среду добавляют на второй стадии кислый раствор соединения алюминия и/или раствор источника ионов фосфатов; и на третьей стадии добавляют агент гелеобразования, получают гель предшественник, затем промывают гель водой и после этого органической жидкостью, собирают суспензию геля в органической жидкости, затем подвергают суспензию сушке до получения порошка и прокаливают порошок, отличающийся тем, что сушку осуществляют распылением.
2. Способ по п. 1, отличающийся тем, что распыление осуществляют, распыляя суспензию геля через отверстие малого размера.
3. Способ по п. 1 или 2, отличающийся тем, что распыление осуществляют в потоке газа, инертного относительно геля.
4. Способ по п. 3, отличающийся тем, что поток газа содержит в основном азот и не содержит кислорода.
5. Способ по любому из пп. 1 - 4, отличающийся тем, что температура газового потока ниже 100oС.
6. Способ по п. 5, отличающийся тем, что температура газового потока составляет от 150 до 450oМ на входе в распылительное отверстие, и от 20 до 200oС в конце распыления.
7. Способ по любому из пп. 1 - 6, отличающийся тем, что распыление осуществляют при давлении от 1 до 10 бар.
8. Катализатор для полимеризации олефинов, содержащий хром на носителе, причем носитель является продуктом способа по любому из пп. 1 - 7.
9. Способ полимеризации олефинов, осуществляемый в присутствии катализатора, по которому применяют катализатор в соответствии с пунктом 8.
10. Способ по п. 9, при котором подвергают полимеризации этилен.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9300508A BE1007148A3 (fr) | 1993-05-17 | 1993-05-17 | Support pour catalyseurs, procede pour la fabrication d'un gel precurseur d'un support pour catalyseurs, procede de preparation d'un support pour catalyseurs, catalyseur pour la polymerisation d'olefines et procede pour la polymerisation d'olefines au moyen de ce catalyseur. |
BE9300508 | 1993-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU95122675A true RU95122675A (ru) | 1997-11-27 |
RU2117675C1 RU2117675C1 (ru) | 1998-08-20 |
Family
ID=3887055
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU95122689/04A RU2117676C1 (ru) | 1993-05-17 | 1994-05-10 | Носитель для катализаторов, способ изготовления геля-предшественника носителя для катализаторов, способ приготовления носителя для катализаторов, катализатор для полимеризации олефинов и способ полимеризации олефинов при помощи этого катализатора |
RU95122675/04A RU2117675C1 (ru) | 1993-05-17 | 1994-05-10 | Способ приготовления носителя для катализаторов, катализатор для полимеризации олефинов и способ для полимеризации олефинов при помощи этого катализатора |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU95122689/04A RU2117676C1 (ru) | 1993-05-17 | 1994-05-10 | Носитель для катализаторов, способ изготовления геля-предшественника носителя для катализаторов, способ приготовления носителя для катализаторов, катализатор для полимеризации олефинов и способ полимеризации олефинов при помощи этого катализатора |
Country Status (22)
Country | Link |
---|---|
US (3) | US5849852A (ru) |
EP (2) | EP0700403B1 (ru) |
JP (2) | JPH09500663A (ru) |
KR (2) | KR100319213B1 (ru) |
CN (2) | CN1050366C (ru) |
AT (2) | ATE157102T1 (ru) |
AU (2) | AU677340B2 (ru) |
BE (1) | BE1007148A3 (ru) |
BR (2) | BR9406407A (ru) |
CA (2) | CA2163119A1 (ru) |
DE (2) | DE69405100T2 (ru) |
DK (2) | DK0700404T3 (ru) |
ES (2) | ES2108462T3 (ru) |
FI (2) | FI112231B (ru) |
MX (1) | MX9403604A (ru) |
MY (2) | MY110978A (ru) |
NO (2) | NO308218B1 (ru) |
NZ (2) | NZ266777A (ru) |
PL (2) | PL178487B1 (ru) |
RU (2) | RU2117676C1 (ru) |
TW (2) | TW341527B (ru) |
WO (2) | WO1994026790A1 (ru) |
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1993
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1994
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