http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100530921-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F7-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F7-04 |
| filingDate | 2002-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2005-11-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2005-11-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-100530921-B1 |
| titleOfInvention | Method for preparing alkoxysilane of high purity |
| abstract | The present invention relates to a method for producing a high purity alkoxysilane, more specifically, 3 to 5 moles of alcohol in the presence of 3 to 10 moles of aprotic solvent with respect to 1 mole of halosilanes at a temperature of -40 to 0 ° C. Reaction in situ with dropwise addition for 0.1 to 10 hours to synthesize an alkoxysilane, wherein 1 to 3 moles of ammonia gas per unit time is added simultaneously with the alcohol or 1 to 3 after complete dropping of the alcohol. A method of producing a high purity alkoxysilane in which molar ammonia gas is added, reacted with by-product hydrochloric acid from the synthesis reaction in situ, precipitated with ammonium chloride, filtered off, and the solvent in the filtrate is recovered by distillation. It is about. According to the present invention, an alkoxysilane is prepared in-situ for further purification while the halosilane and the alcohol are reacted in a solvent kept at low temperature, thereby treating the by-product corrosive and toxic hydrochloric acid in an eco-friendly and efficient manner. There is an advantage that can be used without. |
| priorityDate | 2002-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 43.