ES472325A1 - Procedimiento para la obtencion de (co)polietileno - Google Patents
Procedimiento para la obtencion de (co)polietilenoInfo
- Publication number
- ES472325A1 ES472325A1 ES472325A ES472325A ES472325A1 ES 472325 A1 ES472325 A1 ES 472325A1 ES 472325 A ES472325 A ES 472325A ES 472325 A ES472325 A ES 472325A ES 472325 A1 ES472325 A1 ES 472325A1
- Authority
- ES
- Spain
- Prior art keywords
- carbon monoxide
- oxygen
- catalyst precursor
- temperature
- time
- 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
Classifications
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Procedimiento para la obtención de (co)polietileno, con hasta 15 mol% -referido al etileno- de alfa-monoolefinas C3 asta C8'' por polimerización del o de los monómeros a una temperatura comprendida entre 100 y 200ºC en un hidrocarburo saturado, fluido bajo las condiciones del procedimiento, en el que tanto el o los monómeros cuanto el polímero formado son solubles, por medio de un catalizador de óxido de cromo-soporte, obtenido a partir de un producto previo del catalizador que es un soporte finamente dividido de dióxido de silicio o a base de dióxido de silicio, homogéneamente cargado con un compuesto de cromo, el cual es trióxido de cromo o un compuesto de cromo transformable en trióxido de cromo bajo la condiciones de la etapa (1), en una proporción en peso soporte: compuesto de cromo (contado como trióxido de cromo) de 100:0,1 hasta 100:10.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772734909 DE2734909A1 (de) | 1977-08-03 | 1977-08-03 | Verfahren zum herstellen von polymerisaten des aethylens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES472325A1 true ES472325A1 (es) | 1979-02-16 |
Family
ID=6015486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES472325A Expired ES472325A1 (es) | 1977-08-03 | 1978-08-03 | Procedimiento para la obtencion de (co)polietileno |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0000748A1 (es) |
| JP (1) | JPS5428380A (es) |
| AT (1) | ATA559578A (es) |
| DE (1) | DE2734909A1 (es) |
| DK (1) | DK342078A (es) |
| ES (1) | ES472325A1 (es) |
| FI (1) | FI782362A (es) |
| IT (1) | IT7825982A0 (es) |
| NO (1) | NO782639L (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4735931A (en) * | 1986-06-16 | 1988-04-05 | Phillips Petroleum Company | In situ comonomer generation in olefin polymerization |
| CA1309801C (en) * | 1987-09-18 | 1992-11-03 | Elizabeth A. Boggs | Process for olefin polymerization |
| AU637974B2 (en) * | 1988-06-23 | 1993-06-17 | Mobil Oil Corporation | Olefinic oligomers having lubricating properties and process of making such oligomers |
| US4966951A (en) * | 1988-09-26 | 1990-10-30 | Phillips Petroleum Company | High strength linear, low density polyethylene polymerization process |
| US5866661A (en) * | 1996-12-13 | 1999-02-02 | Phillips Petroleum Company | Ethylene polymerization processes and products thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2987487A (en) * | 1955-10-14 | 1961-06-06 | Phillips Petroleum Co | Catalyst activation |
| FR1302764A (fr) * | 1960-10-07 | 1962-08-31 | Phillips Petroleum Co | Procédé de polymérisation des oléfines et catalyseur utilisé dans ce procédé |
| US3362946A (en) * | 1964-06-01 | 1968-01-09 | Phillips Petroleum Co | Method of treating supported chromium oxide catalyst and polymerization therewith |
| US3541072A (en) * | 1968-02-08 | 1970-11-17 | Phillips Petroleum Co | Catalyst treatment |
| SU373986A1 (ru) * | 1971-06-01 | 1975-02-05 | Институт Катализа Сибирского Отделения Ан Ссср | Способ приготовлени катализатора дл полимеризации этилена |
-
1977
- 1977-08-03 DE DE19772734909 patent/DE2734909A1/de active Pending
-
1978
- 1978-07-21 IT IT7825982A patent/IT7825982A0/it unknown
- 1978-07-28 EP EP78100534A patent/EP0000748A1/de not_active Withdrawn
- 1978-07-31 FI FI782362A patent/FI782362A/fi not_active Application Discontinuation
- 1978-08-02 NO NO782639A patent/NO782639L/no unknown
- 1978-08-02 JP JP9371178A patent/JPS5428380A/ja active Pending
- 1978-08-02 AT AT559578A patent/ATA559578A/de not_active Application Discontinuation
- 1978-08-02 DK DK342078A patent/DK342078A/da unknown
- 1978-08-03 ES ES472325A patent/ES472325A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK342078A (da) | 1979-02-04 |
| NO782639L (no) | 1979-02-06 |
| IT7825982A0 (it) | 1978-07-21 |
| JPS5428380A (en) | 1979-03-02 |
| DE2734909A1 (de) | 1979-02-15 |
| FI782362A (fi) | 1979-02-04 |
| EP0000748A1 (de) | 1979-02-21 |
| ATA559578A (de) | 1980-08-15 |
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