DK0946611T3 - Fremstilling af polyethylen med bimodal molekylvægtfordeling - Google Patents
Fremstilling af polyethylen med bimodal molekylvægtfordelingInfo
- Publication number
- DK0946611T3 DK0946611T3 DK97953880T DK97953880T DK0946611T3 DK 0946611 T3 DK0946611 T3 DK 0946611T3 DK 97953880 T DK97953880 T DK 97953880T DK 97953880 T DK97953880 T DK 97953880T DK 0946611 T3 DK0946611 T3 DK 0946611T3
- Authority
- DK
- Denmark
- Prior art keywords
- chromium
- molecular weight
- weight distribution
- catalyst
- around
- Prior art date
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
- C08F10/02—Ethene
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96120697A EP0849294A1 (en) | 1996-12-20 | 1996-12-20 | Production of polyethylene having a broad molecular weight distribution |
PCT/EP1997/007178 WO1998028348A1 (en) | 1996-12-20 | 1997-12-19 | Production of polyethylene having a bimodal molecular weight distribution |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0946611T3 true DK0946611T3 (da) | 2001-07-09 |
Family
ID=8223538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK97953880T DK0946611T3 (da) | 1996-12-20 | 1997-12-19 | Fremstilling af polyethylen med bimodal molekylvægtfordeling |
Country Status (9)
Country | Link |
---|---|
US (2) | US6417131B1 (da) |
EP (2) | EP0849294A1 (da) |
JP (1) | JP2001506695A (da) |
AT (1) | ATE200297T1 (da) |
DE (1) | DE69704501T2 (da) |
DK (1) | DK0946611T3 (da) |
ES (1) | ES2157610T3 (da) |
PT (1) | PT946611E (da) |
WO (1) | WO1998028348A1 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0849294A1 (en) * | 1996-12-20 | 1998-06-24 | Fina Research S.A. | Production of polyethylene having a broad molecular weight distribution |
US7943700B2 (en) * | 2002-10-01 | 2011-05-17 | Exxonmobil Chemical Patents Inc. | Enhanced ESCR of HDPE resins |
GB0720983D0 (en) | 2007-10-26 | 2007-12-05 | Ineos Silicas Ltd | Catalyst particles their preparation and use |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1745495A1 (de) * | 1967-01-31 | 1971-09-30 | Union Carbide Corp | Verfahren zur Herstellung eines Katalysatorkomplexes,insbesondere zur Herstellung von Polyaethylen |
US4025707A (en) * | 1974-03-28 | 1977-05-24 | Phillips Petroleum Company | Mixed hydrocarbyloxide treated catalyst activated at different temperatures |
US4276399A (en) * | 1978-11-17 | 1981-06-30 | National Petro Chemicals Corp. | Supported catalyst from chromium for olefin polymerization |
DE3329016A1 (de) * | 1983-08-11 | 1985-02-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zum herstellen von polymerisaten des ethylens mittels eines kieselsaeure-xerogel/chromtrioxid-katalysators |
JPH02105806A (ja) * | 1988-10-13 | 1990-04-18 | Nippon Oil Co Ltd | エチレン重合体の製造方法 |
US5237025A (en) | 1990-10-09 | 1993-08-17 | Phillips Petroleum Company | Process for making bimodal polyolefins using two independent particulate catalysts |
AU2901792A (en) * | 1991-11-04 | 1993-06-07 | Chevron Research And Technology Company | Olefin polymerization using an aluminoxane/chromium catalyst |
EP0849294A1 (en) * | 1996-12-20 | 1998-06-24 | Fina Research S.A. | Production of polyethylene having a broad molecular weight distribution |
-
1996
- 1996-12-20 EP EP96120697A patent/EP0849294A1/en not_active Withdrawn
-
1997
- 1997-12-19 PT PT97953880T patent/PT946611E/pt unknown
- 1997-12-19 DE DE69704501T patent/DE69704501T2/de not_active Expired - Fee Related
- 1997-12-19 JP JP52837198A patent/JP2001506695A/ja not_active Ceased
- 1997-12-19 DK DK97953880T patent/DK0946611T3/da active
- 1997-12-19 ES ES97953880T patent/ES2157610T3/es not_active Expired - Lifetime
- 1997-12-19 AT AT97953880T patent/ATE200297T1/de active
- 1997-12-19 EP EP97953880A patent/EP0946611B1/en not_active Expired - Lifetime
- 1997-12-19 WO PCT/EP1997/007178 patent/WO1998028348A1/en active IP Right Grant
-
2000
- 2000-02-28 US US09/516,967 patent/US6417131B1/en not_active Expired - Fee Related
-
2002
- 2002-01-04 US US10/037,523 patent/US20020147285A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE69704501T2 (de) | 2002-03-28 |
EP0946611B1 (en) | 2001-04-04 |
ES2157610T3 (es) | 2001-08-16 |
EP0849294A1 (en) | 1998-06-24 |
ATE200297T1 (de) | 2001-04-15 |
WO1998028348A1 (en) | 1998-07-02 |
PT946611E (pt) | 2001-09-28 |
US6417131B1 (en) | 2002-07-09 |
JP2001506695A (ja) | 2001-05-22 |
DE69704501D1 (de) | 2001-05-10 |
US20020147285A1 (en) | 2002-10-10 |
EP0946611A1 (en) | 1999-10-06 |
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