GB1333977A - Process for the preparation of high pressure polyethylene - Google Patents
Process for the preparation of high pressure polyethyleneInfo
- Publication number
- GB1333977A GB1333977A GB2978871A GB2978871A GB1333977A GB 1333977 A GB1333977 A GB 1333977A GB 2978871 A GB2978871 A GB 2978871A GB 2978871 A GB2978871 A GB 2978871A GB 1333977 A GB1333977 A GB 1333977A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ethylene
- reactors
- comonomer
- june
- polymerization
- 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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Abstract
1333977 Polymerizing ethylene MITSUBISHI PETROCHEMICAL CO Ltd 24 June 1971 [24 June 1970] 29788/71 Heading C3P Ethylene is continuously polymerized, alone or with a comonomer, at a pressure of 500 to 5000 kg./cm.<SP>2</SP> in a reaction apparatus comprising a plurality of reactors in series and at least one product separator, at the same pressure as the reactors, between two adjacent reactors, the reaction mixture being cooled in or immediately preceding the separator by contacting with separately supplied ethylene and comonomer if present. Polymerization may be effected in the presence of oxygen, organic peroxides and azo compounds as initiators; and alkanes, alkenes, aldehydes, ketones, aromatic hydrocarbons and halogenated hydrocarbons as chain transfer agents. Apparatus suitable for carrying out the process of the invention is described and illustrated, and examples describe the polymerization of (1, 2, 4 and 5) ethylene, together with (3) vinyl acetate, in the presence of propylene and (1 to 3) oxygen and (4 and 5) di-tbutyl peroxide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5439070 | 1970-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1333977A true GB1333977A (en) | 1973-10-17 |
Family
ID=12969343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2978871A Expired GB1333977A (en) | 1970-06-24 | 1971-06-24 | Process for the preparation of high pressure polyethylene |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2131445A1 (en) |
| GB (1) | GB1333977A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2313399A1 (en) * | 1975-06-03 | 1976-12-31 | Charbonnages Ste Chimique | ETHYLENE POLYMERIZATION AND COPOLYMERIZATION PROCESS USING A GAS INJECTION DEVICE |
| JPS5322582A (en) * | 1976-08-13 | 1978-03-02 | Sumitomo Chem Co Ltd | Production of polyethylene |
| FR2445344A1 (en) * | 1978-12-28 | 1980-07-25 | Charbonnages Ste Chimique | METHOD FOR ENLARGING THE MOLECULAR DISTRIBUTION OF POLYETHYLENE USING TWO REACTORS AND TWO SEPARATORS |
| DE3641513A1 (en) * | 1986-12-04 | 1988-06-09 | Basf Ag | METHOD FOR REDUCING THE EMISSION OF HYDROCARBONS IN RELAXATION PROCEDURES ON HIGH PRESSURE POLYMERIZATION REACTORS |
| DE19741097A1 (en) † | 1997-09-18 | 1999-03-25 | Basf Ag | Copolymerization of ethylene with vinyl ester |
-
1971
- 1971-06-24 GB GB2978871A patent/GB1333977A/en not_active Expired
- 1971-06-24 DE DE19712131445 patent/DE2131445A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2131445A1 (en) | 1972-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1345673A (en) | High pressure process for polyethylene production | |
| GB1413613A (en) | Process for the dry polymerisation of olefins | |
| ES8600331A1 (en) | Process for the preparation of a transition metal component for an olefin polymerisation catalytic system. | |
| ES433776A1 (en) | Polymerization process | |
| GB1444010A (en) | Preparation of catalytic complexes for the -co- 'polymerisation of alpha-olefins | |
| GB1338280A (en) | Process for the high pressure production of polyethylene | |
| GB1333977A (en) | Process for the preparation of high pressure polyethylene | |
| GB1465761A (en) | Polymerisation process | |
| GB1406339A (en) | Process for polymerizing alpha-mono olefins | |
| GB1362324A (en) | Process for the polymerization of olefins | |
| GB1126756A (en) | Process for the production of ethylene polymers or copolymers of ethylene | |
| GB1173167A (en) | Process for the Production of Ethylene Polymers and Co-Polymers of Ethylene | |
| GB1276345A (en) | Process for the polymerisation of olefins | |
| GB1276917A (en) | Ethylene polymerisation | |
| GB1532260A (en) | Block copolymer process | |
| GB884583A (en) | Process of polymerizing or copolymerizing olefines | |
| GB1047851A (en) | Process for the production of ethylene polymers or ethylene co-polymers | |
| GB836588A (en) | Process for polymerising ethylene | |
| GB1387920A (en) | Method for preparing divinyl-styrene rubbers | |
| GB1145958A (en) | Ethylene polymerisation | |
| GB932231A (en) | Polymerisation of ethylene | |
| GB1332859A (en) | Olefin polymerisation | |
| GB1299863A (en) | Improvements in or relating to the catalytic polymerisation of olefins | |
| GB1159006A (en) | Process for the Oxidation of Hydrocarbons. | |
| GB1403372A (en) | Alpha monoolefin polymerisation process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |