GB1305253A - - Google Patents
Info
- Publication number
- GB1305253A GB1305253A GB1798570A GB1798570A GB1305253A GB 1305253 A GB1305253 A GB 1305253A GB 1798570 A GB1798570 A GB 1798570A GB 1798570 A GB1798570 A GB 1798570A GB 1305253 A GB1305253 A GB 1305253A
- Authority
- GB
- United Kingdom
- Prior art keywords
- butyl
- inhibitor
- initiator
- ethylene
- reaction
- 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)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
1305253 Polymerizing ethylene MITSUBISHI PETROCHEMICAL CO Ltd 15 April 1970 [16 April 1969] 17985/70 Heading C3P Ethylene is polymerized in a tubular reactor under a pressure greater than 1000 kg./cm.<SP>2</SP> in the presence of a reaction initiator, a reaction inhibitor being introduced into the polymerizing mass, when at a temperature not more than 30‹ C. below the maximum reaction temperature. The inhibitor may be introduced downstream of the point of maximum temperature. Ethylene may be introduced at one or more points in the reactor. The initiator may be oxygen or an organic peroxide, hydroperoxide or perester. The inhibitor may be a phenol, e.g. 3,5-xylenol, 2,4,6-tri-t-butylphenol, 2-t-butoxyanisole, 2,6 - di - t - butyl - 4 - ethylphenol, 2,6- di - t - butyl - 4 - methylphenol, or a biphenol or bisphenol. Examples describe the polymerization of ethylene with a mixture of lauroyl peroxide, t-butyl perisobutyrate, t-butyl peracetate and di-t-butyl peroxide as initiator and 2,6 - di - t - butyl - 4 - methylphenol as inhibitor. Paraffinic, aromatic and alcoholic solvents for the initiator and inhibitor may serve as chain transfer agents.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2902469 | 1969-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1305253A true GB1305253A (en) | 1973-01-31 |
Family
ID=12264834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1798570A Expired GB1305253A (en) | 1969-04-16 | 1970-04-15 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2018041A1 (en) |
| FR (1) | FR2041176A1 (en) |
| GB (1) | GB1305253A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2946954C2 (en) * | 1979-11-21 | 1984-03-15 | EC Erdölchemie GmbH, 5000 Köln | Process for stabilizing high pressure polyethylene |
-
1970
- 1970-04-15 DE DE19702018041 patent/DE2018041A1/en active Pending
- 1970-04-15 GB GB1798570A patent/GB1305253A/en not_active Expired
- 1970-04-15 FR FR7013649A patent/FR2041176A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2018041A1 (en) | 1970-10-22 |
| FR2041176A1 (en) | 1971-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1108954A (en) | Polymerisation process | |
| GB1266037A (en) | ||
| ES433776A1 (en) | Polymerization process | |
| GB1336940A (en) | Manufacture of ehtylene polymers | |
| GB875983A (en) | Ethylene polymers | |
| GB1305253A (en) | ||
| GB945579A (en) | Process for preparing high impact polyvinyl aromatic compositions | |
| GB524156A (en) | Improvements in or relating to the treatment of aryl substituted olefines | |
| GB835578A (en) | High impact strength polymeric compositions and process for their preparation | |
| GB1333977A (en) | Process for the preparation of high pressure polyethylene | |
| GB1313836A (en) | Process for the preparation of ethylene polymers | |
| GB915622A (en) | Heteroblock copolymers and process for their preparation | |
| GB1230507A (en) | ||
| GB1126756A (en) | Process for the production of ethylene polymers or copolymers of ethylene | |
| GB1164926A (en) | Polymerisation Process. | |
| GB1387920A (en) | Method for preparing divinyl-styrene rubbers | |
| FR2128775A1 (en) | Continuous block copolymer prodn - in at least three reactors | |
| GB1206795A (en) | Ethylene/polypropylene graft copolymers | |
| GB1389873A (en) | Method for preparing branched copolymers of ethylene with unsaturated silicon-containing monomers | |
| GB770507A (en) | Improvements in or relating to ethylene polymerization | |
| ES351273A1 (en) | Ethylene polymerisation | |
| FR2090789A5 (en) | High pressure polymerisation of ethylene | |
| GB1083005A (en) | Production of polymers of ethylene | |
| GB1074322A (en) | Improvements in or relating to the production of graft polymers | |
| FR2256201A1 (en) | Piping for transporting gaseous fuels - of polyvinyl chloride polymerised in presence of alpha-olefine polymer, reducing cracking under stress |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |