http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110387003-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F210-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F232-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F210-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F210-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-642 |
| filingDate | 2018-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-03-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-03-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110387003-B |
| titleOfInvention | Polyolefin elastomer and preparation method thereof |
| abstract | The present invention relates to the field of olefin polymerization, and in particular, to polyolefin elastomers and methods for their preparation. The polyolefin elastomer has a bimodal molecular weight distribution, and the preparation method comprises the following steps: polymerizing ethylene, alpha-olefin and optionally cyclic olefin in an organic solvent in the presence of a catalyst and hydrogen; wherein the catalyst comprises a procatalyst and an activator comprising one or more of aluminum containing compounds and optionally an organoboron compound; the main catalyst is one or more of an early transition metal compound shown in a formula (1) or a crystal thereof. The method of the present invention can prepare a polyolefin elastomer having a remarkable bimodal distribution by using one catalyst system in a single reactor by using the above-mentioned early transition metal compound or its crystal as a main catalyst for polymerization. |
| priorityDate | 2018-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 161.