http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107793732-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2201-06 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-205 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L69-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K5-205 |
| filingDate | 2017-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107793732-B |
| titleOfInvention | Preparation method of modified polypropylene carbonate |
| abstract | The invention provides a preparation method of modified polypropylene carbonates, which comprises the following steps of mixing a polypropylene carbonate crude product obtained by copolymerizing carbon dioxide and propylene oxide with an amine compound according to the mass ratio of 99.9-80.0: 0.1-20.0 to obtain a modified polypropylene carbonate precursor, wherein the polypropylene carbonate crude product comprises cyclic carbonate, and melting and mixing the modified polypropylene carbonate precursor to obtain the modified polypropylene carbonate. |
| priorityDate | 2017-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 75.