http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109456298-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-305 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-96 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-96 |
| filingDate | 2018-12-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109456298-B |
| titleOfInvention | Spirocyclic diol compound, spiro polycarbonate and preparation method thereof |
| abstract | The invention belongs to the technical field of preparation of organic photoelectric materials, and relates to a spiro-compound IIAn alcohol compound, a spiro-polycarbonate and a preparation method thereof, wherein the spiro-diol compound is 2,2'- (spiro [ fluorene-9, 9' -xanthene)]-3',6' -furylidenebis (oxy)) diethanol having the formula Is a rigid spiral dihydroxy compound formed by connecting fluorene-9, 9' -furylidene quaternary carbon atom with fluorene ring and xanthene ring. Has the advantages that: the refractive index of the prepared spiro carbonate is higher than 1.62, and the chroma is less than 30 degrees; the preparation process is simple, high in yield, environment-friendly, pollution-free and easy for industrial production. |
| priorityDate | 2018-12-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 89.