http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113024850-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2367-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2467-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2325-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2425-06 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J3-126 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K9-5031 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F112-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L25-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F112-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L67-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K9-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J3-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K47-34 |
| filingDate | 2021-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-05-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-05-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113024850-B |
| titleOfInvention | Method for preparing polylactic acid microspheres by free radical polymerization without solvent |
| abstract | The invention discloses a method for preparing polylactic acid microspheres by free radical polymerization without a solvent, belonging to the field of materials. According to the invention, lactide, a catalyst, an initiator and styrene are uniformly mixed and then subjected to ring-opening polymerization and free radical polymerization, and the free radical dispersion polymerization method provided by the invention does not need to use organic solvents such as dichloromethane and trichloromethane as reaction media, so that the cost of the used raw materials is low, and the preparation method is simple and convenient. The method ensures that the reaction efficiency of the lactide monomer in the ring-opening polymerization reaction is higher, the obtained polylactic acid microspheres have better surface morphology and stable particle size range, the whole reaction is efficient and clean, and the method is green and environment-friendly. |
| priorityDate | 2021-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 39.