http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103788060-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D321-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D319-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D319-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D321-08 |
| filingDate | 2012-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103788060-B |
| titleOfInvention | The continuous producing method of ring-type oxalic acid ester monomer |
| abstract | The present invention relates to the continuous producing method of ring-type oxalic acid ester monomer, comprise the following steps: (1), by oxalic acid ester compound and structure dihydroxylic alcohols polycondensation as shown in the formula (I), obtains the prepolymer of oxalic acid ester compound；(2) prepolymer of oxalic acid ester compound step (1) obtained carries out depolymerization, obtains the thick product containing structure ring-type oxalic acid ester monomer as shown in the formula (II)；(3) the thick product containing structure ring-type oxalic acid ester monomer as shown in the formula (II) step (2) obtained carries out decompression distillation, obtains ring-type oxalic acid ester monomer；And, in the process of step (1) and (3), continuously the by-product that step (1) produces with (3) is separated with unreacted raw material, reclaims, and the by-product of carried out polycondensation reaction recovery obtained and unreacted feedstock circulation are to step (1), Formula (I) Formula II. |
| priorityDate | 2012-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 78.