http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-890140-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_70ec63d39d6704bacc5c7068c93ded43 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F36-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F36-04 |
| filingDate | 1960-02-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1962-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-890140-A |
| titleOfInvention | Conjugated diene polymerisation process and catalysts therefor |
| abstract | Conjugated dienes are polymerized in presence of a catalyst prepared from one or more aluminium alkyl compounds and an alcoholic solution of a halide of cobalt or nickel. Preferred aluminium compounds are the alkyl halides, which may be used in admixture with each other or with the trialkyls. Specified catalyst components are AlEt2Cl, AlEtCl2, Al2Et3Cl3, CoCl2 and NiCl2, while the alcohol is preferably a C1-4 alcohol, particularly methanol or ethanol. In addition to the alcohol, the usual hydrocarbon solvents may be used. Specification 890,139 is referred to.ALSO:Conjugated dienes are polymerized in presence of a catalyst prepared from one or more aluminium alkyl compounds and an alcoholic solution of a halide of cobalt or nickel. Preferred aluminium compounds are the alkyl halides, which may be used in admixture with each other or with the trialkyls. Specified catalyst components are AlEt2Cl, AlEtCl2, Al2Et3Cl3, CoCl2 and NiCl2, while th alcohol is preferably a C1-4 alcohol, particularly methanol or ethanol. In addition to the alcohol, the usual hydrocarbon solvents may be used in catalyst preparation and in polymerization. When polymerized according to the invention butadiene gives a predominantly cis-1:4 polymer, while isoprene is stated to give usually the 1:4 polymer predominantly but considerable 3:4 polymerization may occur. The dienes may be copolymerized with each other or with, e.g. styrene. The process may be batchwise or continuous. Specification 890,139 is referred to. |
| priorityDate | 1959-02-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.