http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20170089841-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_78ca80ad4b743c901ec136b21263f093 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-305 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-307 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-30 |
| filingDate | 2015-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_29d1b781067ff8115ad8ba115b85cc61 |
| publicationDate | 2017-08-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20170089841-A |
| titleOfInvention | A method of adding a catalyst in a melt polymerization and the polycarbonate prepared therefrom |
| abstract | In one embodiment, the method of forming a catalyst mixture comprises adding the dihydroxy compound, the carbonate compound and the catalyst compound in any order to form the catalyst mixture, wherein the catalyst compound comprises a quaternary ammonium compound and 4 Wherein the catalyst compound is not exposed to water and / or alkyl alcohol levels in excess of 250 ppm based on the total weight of the catalyst mixture. In another embodiment, the polycarbonate polymerization method includes directing the catalyst mixture to a melt polymerization unit and melt polycondensing the polycarbonate. |
| priorityDate | 2014-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 290.