http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2008112189-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-307 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-30 |
| filingDate | 2007-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2009-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2008112189-A |
| titleOfInvention | METHOD FOR PRODUCING AROMATIC POLYCARBONATE |
| abstract | 1. A method for producing an aromatic polycarbonate, characterized in that when producing an aromatic polycarbonate using an aromatic dihydroxy compound and a carboxylic diester as starting materials and using multiple reactors, the temperature T1 (° C) of the molten reagent in at least one reactor A and the temperature T2 (° C) of the molten reactant in reactor B following reactor A correspond to the following formula (1):! T2 <T1 (1)! 2. A method for producing an aromatic polycarbonate according to claim 1, characterized in that the temperature T1 (° C) of the molten reagent and the temperature T2 (° C) of the molten reagent correspond to the following formula (2):! 260 ° C <T2 <T1 <280 ° C (2)! 3. A method for producing an aromatic polycarbonate according to claim 1, characterized in that at least one reactor among the plurality of reactors is a vertical reactor. ! 4. A method for producing an aromatic polycarbonate according to claim 3, characterized in that the reactor A is a vertical reactor. ! 5. The method for producing an aromatic polycarbonate according to claim 3, characterized in that the vertical reactor is connected to the end of multiple reactors connected in series, and the reactor following the vertical reactor is a horizontal reactor. ! 6. A method for producing an aromatic polycarbonate according to claim 1, characterized in that the polymer in reactor A has a viscosity average molecular weight of 4000 to 14000.! 7. The method for producing an aromatic polycarbonate according to claim 1, characterized in that the obtained aromatic polycarbonate has a viscosity average molecular weight of 10,000 or more. ! 8. Method of receiving |
| priorityDate | 2006-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419559581 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID297 |
Total number of triples: 14.