http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-101909324-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C68-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C68-08 |
| filingDate | 2015-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-101909324-B1 |
| titleOfInvention | Method for the production process of methacryl acid |
| abstract | The present invention relates to a process for ester exchange reaction between methyl methacrylate and butanol under an ester exchange catalyst and a polymerization inhibitor, followed by removal of unreacted methyl methacrylate vaporized in the ester exchange reaction and butyl produced by removing methanol from the azeotropic column as an azeotropic mixture Wherein the temperature in the azeotropic tower is 64 to 65 DEG C at the uppermost stage, 65 to 89 DEG C at the middle stage and 65 to 89 DEG C at the lower end when the temperature in the azeotropic tower is converted to the temperature at the atmospheric pressure, And the reflux ratio is controlled to be 89 to 102 DEG C so that the butanol in the azeotropic mixture is contained in an amount of 10 ppm or less. The continuous process for the production of butyl methacrylate of the present invention has the advantage that the amount of butanol contained in the azeotrope removed by the azeotropic column is reduced, so that no separate separation process is required. |
| priorityDate | 2015-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 88.