http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103611570-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1214d05e0bca7c7bde97a4d341cbed80 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-08 |
| filingDate | 2013-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-04-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_562e1d120d9226c782412ed22c6d66a1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3a4b852fea32a739607cc34dd97dfc12 |
| publicationDate | 2015-04-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103611570-B |
| titleOfInvention | Preparation method of resin catalyst for synthesis of difluoromethyl ether |
| abstract | The invention provides a preparation method of a resin catalyst for synthesis of difluoromethyl ether. Strong basic anion-exchange resin is prepared by reacting chloromethylated polystyrene with perfluorinated octyl sulfonamide and trimethylamine simultaneously. The resin catalyst comprises a mixture of the quaternary ammonium salt of perfluorinated octyl sulfonamide and the quaternary ammonium salt of the trimethylamine. A fluorine element and a sulfonamide group are introduced, so the compatibility of the catalyst and a fluorine-containing raw material can be improved, an amino group is unlikely to drop off, and the yield of the difluoromethyl ether is increased. |
| priorityDate | 2013-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 31.