http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-940185-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_47becd0bad1e8c65826be1edac09d306 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F236-045 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F36-045 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F236-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F36-04 |
| filingDate | 1960-08-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1963-10-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-940185-A |
| titleOfInvention | 2,3-dimethyl-butadiene-1,3-polymers and copolymers |
| abstract | 940,185. Polymers of 2, 3-dimethyl-butadiene- 1, 3. MONTECATINI SOC. GENERALE PER L'INDUSTRIA MINERARIA E CHIMICA. Aug. 2, 1960 [Aug. 7, 1959], No. 26701/60. Drawings to Specification. Heading C3P. Homopolymers of 2,3-dimethyl-butadiene-1,3, and copolymers thereof with other conjugated diolefins are made by polymerizing the monomer or mixture of monomers in the presence of a hydrocarbon solution of a catalyst formed by reacting an organometallic compound of the formula MR n-1 X in which M is a metal of Group II or III of the MendelÚeff Periodic Table, R is an alkyl or aryl group, X is a halogen atom, and n is the valency of the metal M, with a compound of a metal of Group VIII of the Table. The polymerization may be effected batchwise or continuously. The other conjugated diolefin may be butadiene-1,3. The Group VIII compound may be a complex with pyridine. The exemplified catalyst system is diethylaluminium chloride, cobalt chloride, and pyridine. The polymers of 2,3-dimethyl-butadiene-1,3 are characterised by their infra-red spectrum and the copolymers with butadiene by having the butadiene units arranged to an extent of about 89À9% in a cis-1, 4 configuration. Specifications 914,246 and 916,000 are referred to. |
| priorityDate | 1956-08-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.