http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112142976-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-34 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G77-06 |
| filingDate | 2020-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112142976-B |
| titleOfInvention | A kind of continuous preparation method of electronic grade methyl silicone oil |
| abstract | The invention relates to a continuous preparation method of electronic grade methyl silicone oil. ; The raw materials are pre-mixed, and the pre-treated raw materials are input into the screw mixer according to a certain mass ratio for heat preservation and mixing; for polymerization, the pre-mixed materials are input into the first-stage static fluidized bed for pre-polymerization, and then into the second-stage static fluidized bed for equilibrium polymerization. The semi-finished product is obtained; the low-boiling product is removed, and the semi-finished product is sent to a thin-film evaporator for primary purification to remove low-boiling substances, and then sent to a short-path low-molecular-weight distiller for second-stage purification to obtain a finished product. The above is a continuous production process, the polymerization is stable and the conversion rate is high. The finished product index: the molecular weight distribution coefficient is small, the low boiler is less than 0.20%, the content of silanol is low, and the content of Na, K and heavy metal plasma is less than 10ppb, which can meet the requirements of electronic and micro Application requirements in electronics and other industries. |
| priorityDate | 2020-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 49.