http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111057170-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F110-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F10-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F110-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F4-52 |
| filingDate | 2019-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-06-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111057170-B |
| titleOfInvention | Chromium-neodymium-cobalt-loaded trimetal catalyst and preparation method and application thereof |
| abstract | The invention relates to a modified chromium polyethylene catalyst and a preparation method and application thereof, the catalyst comprises a porous inorganic carrier and three loaded active components, the three active components comprise chromium oxide, neodymium oxide and cobalt oxide, and the preparation method comprises the following steps: the solution containing chromium, neodymium and cobalt is jointly impregnated into an inorganic carrier, and then the inorganic carrier is dried and roasted to obtain the trimetal catalyst for ethylene polymerization, the catalyst can produce an ethylene polymer with wide molecular weight distribution and multimodal distribution, and has the advantages of high catalytic activity, short polymerization time, simple preparation, high hydrogen regulation sensitivity, wide molecular weight distribution and the like. |
| priorityDate | 2019-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 81.