GB968929A - Polymerization of a conjugated diene - Google Patents
Polymerization of a conjugated dieneInfo
- Publication number
- GB968929A GB968929A GB2079662A GB2079662A GB968929A GB 968929 A GB968929 A GB 968929A GB 2079662 A GB2079662 A GB 2079662A GB 2079662 A GB2079662 A GB 2079662A GB 968929 A GB968929 A GB 968929A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixing
- substituted
- diene
- butadiene
- dimethyl
- 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
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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)
- Polymerisation Methods In General (AREA)
Abstract
Polymers of conjugated dienes containing from 4 to 10 carbon atoms are polymerized by a continuous process in a polymerization zone, in the presence of a hydrocarbon diluent and a catalyst formed on mixing (a) an organo-metallic compound or a compound of the formula M1M11H4 where M1 is an alkali metal, and M11 is aluminium or boron, with (b) a metal halide, by mixing the catalyst components, diluent, and diene in a mixing zone for a period of less than one minute, and then introducing the mixture into the polymerization zone. The diene may be butadiene, isoprene, 2,3-dimethyl-1, 3-butadiene, 1,3-, or 2-methyl-1, 3-, or 2,3-dimethyl-1, 3-, or 3-methyl-1, 3-pentadiene, or 2-phenylbutadiene. The dienes may be copolymerized with other olefinically unsaturated compounds such as 1-olefins, non-conjugated dienes, acrylics, halogen-substituted olefins, vinyl-substituted aromatics, or vinyl-substituted pyridenes. The Specification contains a very extensive list of suitable catalysts. Exemplified catalysts are a mixture of triisobutylaluminium, titanium tetrachloride, and iodine. The Specification includes two flow diagrams of continuous processes for carrying the invention into effect, together with methods of recovery of solvent, and unreacted monomer.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11472561A | 1961-06-05 | 1961-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB968929A true GB968929A (en) | 1964-09-09 |
Family
ID=22357057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2079662A Expired GB968929A (en) | 1961-06-05 | 1962-05-30 | Polymerization of a conjugated diene |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1299864B (en) |
| ES (1) | ES277774A1 (en) |
| FR (1) | FR1326811A (en) |
| GB (1) | GB968929A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL109253C (en) * | 1955-03-18 | |||
| AT196128B (en) * | 1955-07-15 | 1958-02-25 | Montedison Spa | Process for the preparation of diolefin polymers |
-
1962
- 1962-05-29 ES ES277774A patent/ES277774A1/en not_active Expired
- 1962-05-30 GB GB2079662A patent/GB968929A/en not_active Expired
- 1962-06-04 FR FR899627A patent/FR1326811A/en not_active Expired
- 1962-06-05 DE DE1962P0029559 patent/DE1299864B/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES277774A1 (en) | 1962-12-01 |
| FR1326811A (en) | 1963-05-10 |
| DE1299864B (en) | 1969-07-24 |
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