http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104419000-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-14 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-24 |
| filingDate | 2013-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-01-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-01-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104419000-B |
| titleOfInvention | A kind of continuous two-phase interface phosgenation prepares the method for branching polycarbonate |
| abstract | The present invention relates to a kind of method that continuous two-phase interface phosgenation prepares branching polycarbonate, first prepolymer is prepared by reacting under being dissolved with environment that the alkali metal hydroxide aqueous solution of triphenol or polyphenol and a certain amount of phosgene exist at inert organic solvents, and then carry out linked reaction with the alkali metal hydroxide aqueous solution photoreactive gas being dissolved with bis-phenol, final obtained polycarbonate resin, present method can be avoided crosslinking reaction occurs while effectively improving branching agent transformation efficiency and the product degree of branching, reduce costs, Improving The Quality of Products. |
| priorityDate | 2013-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 64.