http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2020007488-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_20d3042eb4ea7c9afd525aa89373349d |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-10 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G75-025 |
| filingDate | 2018-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f2be4487902d329fe4832e18d43069d5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_df9ff20d9c26709e240fedc0102b9ebb |
| publicationDate | 2020-01-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2020007488-A |
| titleOfInvention | Method for producing carboxyalkylamino group-containing compound and method for producing cyclic polyarylene sulfide |
| abstract | PROBLEM TO BE SOLVED: To provide a method for producing an oligomer of a carboxyalkylamino group-containing compound and a cyclic polyarylene sulfide with high purity from a reaction mixture obtained in a process for producing a polyarylene sulfide resin. SOLUTION: The solvent is removed from a reaction mixture obtained by reacting a dihalo aromatic compound with an alkali metal sulfide or an alkali metal hydrosulfide and an alkali metal hydroxide in an organic polar solvent. A reaction mixture containing an oligoarylene sulfide and a compound containing a carboxyalkylamino group at a temperature higher than 100 ° C. and at a pH of 6 or more, and then washing with an organic polar solvent, and solid-liquid separation of the oligoarylene sulfide with an organic polar solvent. A method for producing an oligomer or a cyclic polyarylene sulfide of an alkylamino group-containing compound. [Selection diagram] Fig. 1 |
| priorityDate | 2018-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 146.