http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108610590-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2439-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2201-011 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2201-003 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2201-0484 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2329-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-042 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K3-041 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J9-28 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L29-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L39-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J9-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K3-24 |
| filingDate | 2018-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-08-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-08-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108610590-B |
| titleOfInvention | Microwave absorbing material and preparation method thereof |
| abstract | The invention discloses a preparation method of a microwave absorbing material, which specifically comprises the following steps: preparing a polyvinyl alcohol solution, preparing a dispersion solution of graphene-cobalt ferrite, multi-walled carbon nanotubes and polyvinylpyrrolidone, adding the polyvinyl alcohol solution into the dispersion solution, continuously dispersing, and standing to obtain a mixed solution; freezing and circularly thawing the mixed solution to obtain a thawed mixture; a step of drying the thawed mixture; the invention also discloses a microwave absorbing material which has a cellular structure. The microwave absorbing material prepared by the invention has wide absorbing frequency band, and has the reflection loss of < -10dB at 8.8GHz-12.4 GHz; the graphene material has good wave absorbing performance in an X wave band, and can solve the problem of impedance mismatch of graphene; the structure of the foam is provided, the weight is lighter, and the interface reflection is low. |
| priorityDate | 2018-03-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.