http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104725252-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C225-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C221-00 |
| filingDate | 2013-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104725252-B |
| titleOfInvention | A kind of method preparing solvent blue 35 |
| abstract | The invention discloses a kind of method preparing solvent blue 35.By ethanol, anhydrous sodium sulfate, 1,4-dihydroxyanthraquinone, 1,4-dihydroxyanthraquinone leuco compound, acetic acid, n-butylamine put in reactor, closed reactor, is warming up to backflow DEG C reaction 1～4 hour, pressure≤0.08Mpa, after reaction terminates, steam ethanol, n-butylamine mixed solvent, add aqueous alkali isolation, filter, wash, dry discharging.The present invention is with acetic acid for catalyst, and anhydrous sodium sulfate is water absorbing agent, and Isosorbide-5-Nitrae-dihydroxyanthraquinone and Isosorbide-5-Nitrae-dihydroxyanthraquinone leuco compound mix in rational ratio, improve response speed, improve yield；Adopting ethanol as solvent, decrease the generation of tar, the ethanol of recovery, n-butylamine mixed solution can directly be applied mechanically through dehydration, decrease the generation of waste water. |
| priorityDate | 2013-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.