GB1431918A - Process for the manufacture of largely amorphous elastomeric low pressure copolymers of ethylene - Google Patents
Process for the manufacture of largely amorphous elastomeric low pressure copolymers of ethyleneInfo
- Publication number
- GB1431918A GB1431918A GB3803873A GB3803873A GB1431918A GB 1431918 A GB1431918 A GB 1431918A GB 3803873 A GB3803873 A GB 3803873A GB 3803873 A GB3803873 A GB 3803873A GB 1431918 A GB1431918 A GB 1431918A
- Authority
- GB
- United Kingdom
- Prior art keywords
- butene
- ethylene
- temperature
- low pressure
- copolymers
- 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
- C08F210/00—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)
Abstract
1431918 Production of ethylene copolymers using an organometallic catalyst CHEMISCHE WERKE HULS AG 10 Aug 1973 [11 Aug 1972] 38038/73 Heading C3P Amorphous elastomeric low pressure copolymers of ethylene with propylene and/or butene-1 and optionally a multi-olefin are prepared by copolymerization in the liquid phase in the presence of a mixed catalyst comprising a titanium trichloride catalyst and a chlorine-containing organo-aluminium compound, at a temperature of 80‹ to 120‹ C. in a solvent which contains butane and/or propane and also A mole per cent of propylene and/or B mole per cent of butene-1, and butene-2, and in which 2A+B at a temperature of 80-90‹ C. is at least 30 and at a temperature of 90-120‹ C. is at least 20. The multiolefin may be dicyclopentadiene, methylene norbornene, ethylidene norbornene or hexa-1,4-diene. Hydrogen may be added during the polymerization. The chlorine-containing organo-aluminium compound may be ethyl aluminium sesquichloride- [Al(C 2 H 5 ) 1 . 5 Cl 1 . 5 ]. In the examples, C 4 cuts are used, which contain varying amounts of butene- 1, butene-2, and butane.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722239525 DE2239525A1 (en) | 1972-08-11 | 1972-08-11 | Process for the production of largely amorphous elastomers, low pressure copolymers of ethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1431918A true GB1431918A (en) | 1976-04-14 |
Family
ID=5853310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3803873A Expired GB1431918A (en) | 1972-08-11 | 1973-08-10 | Process for the manufacture of largely amorphous elastomeric low pressure copolymers of ethylene |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2239525A1 (en) |
| FR (1) | FR2195640B3 (en) |
| GB (1) | GB1431918A (en) |
| IT (1) | IT990358B (en) |
-
1972
- 1972-08-11 DE DE19722239525 patent/DE2239525A1/en active Pending
-
1973
- 1973-07-24 FR FR7326991A patent/FR2195640B3/fr not_active Expired
- 1973-08-09 IT IT5192873A patent/IT990358B/en active
- 1973-08-10 GB GB3803873A patent/GB1431918A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2195640B3 (en) | 1975-10-31 |
| DE2239525A1 (en) | 1974-02-21 |
| IT990358B (en) | 1975-06-20 |
| FR2195640A1 (en) | 1974-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |