BG51624A1 - Catalyst for ethylene polymerization and method for its preparing it - Google Patents
Catalyst for ethylene polymerization and method for its preparing itInfo
- Publication number
- BG51624A1 BG51624A1 BG95498A BG9549891A BG51624A1 BG 51624 A1 BG51624 A1 BG 51624A1 BG 95498 A BG95498 A BG 95498A BG 9549891 A BG9549891 A BG 9549891A BG 51624 A1 BG51624 A1 BG 51624A1
- Authority
- BG
- Bulgaria
- Prior art keywords
- carbon atoms
- catalyst
- polar
- alkyl groups
- preparing
- Prior art date
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The catalyst is used for preparation of linear polyethylene in a medium of polar or non-polar solvents, or their mixtures, at a temperature of 0 to 120 degrees C, concentration of the catalyst from 5.10<-3> mol/l to 1 mol/l and ethylene pressure of 1 to 150 atm. The polymerisation catalyst of the ethylene has the following formula:<IMAGE>where R1, R2, R3, R6, R7, and R8 independently from each other represent alkyl groups, containing 1 to 10 carbon atoms; aryl groups, containing 6 to 10 carbon atoms; aryl alkyl groups, containing 7 to 20 carbon atoms; alkyl aryl groups, containing 7 to 20 carbon atoms; R4 and R5, independently from each other, represent H, alkyl groups, containing 1 to 10 carbon atoms. According to the method, Ni(O) compounds interact with bis-α-ketolides and tertiary phosphines in a medium of polar or non-polar solvents, or their mixtures, at a temperature between -20 and 80 degrees C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG95498A BG51624A1 (en) | 1991-11-19 | 1991-11-19 | Catalyst for ethylene polymerization and method for its preparing it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG95498A BG51624A1 (en) | 1991-11-19 | 1991-11-19 | Catalyst for ethylene polymerization and method for its preparing it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG51624A1 true BG51624A1 (en) | 1993-07-15 |
Family
ID=3924118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG95498A BG51624A1 (en) | 1991-11-19 | 1991-11-19 | Catalyst for ethylene polymerization and method for its preparing it |
Country Status (1)
| Country | Link |
|---|---|
| BG (1) | BG51624A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2790978A1 (en) * | 1999-03-19 | 2000-09-22 | Atochem Elf Sa | PROCESS FOR POLYMERIZING OLEFINS IN THE PRESENCE OF NICKEL COMPLEXES AND CORRESPONDING CATALYTIC SYSTEM |
-
1991
- 1991-11-19 BG BG95498A patent/BG51624A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2790978A1 (en) * | 1999-03-19 | 2000-09-22 | Atochem Elf Sa | PROCESS FOR POLYMERIZING OLEFINS IN THE PRESENCE OF NICKEL COMPLEXES AND CORRESPONDING CATALYTIC SYSTEM |
| WO2000056744A1 (en) * | 1999-03-19 | 2000-09-28 | Atofina | Method for polymerising olefins in the presence of nickel complexes and corresponding catalytic system |
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