http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109054625-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2003-2244 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2003-2234 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K2003-385 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D5-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D7-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D179-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D127-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D179-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D7-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D5-08 |
| filingDate | 2018-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109054625-B |
| titleOfInvention | Composite polyimide film for air bearing and preparation method thereof |
| abstract | The invention discloses a composite polyimide film for an air bearing, which consists of a component A and a mixed organic solvent; the component A comprises, by weight, 40-65 parts of polyamide acid resin, 25-35 parts of polytetrafluoroethylene, 1-3 parts of rare earth fluoride, 0.5-2 parts of lead oxide, 0.5-1 part of boron nitride, 0.5-1 part of zirconium oxide and 0.01-1 part of surfactant; the addition amount of the mixed organic solvent is 1-1.5 times of the weight of the component A. The invention also discloses a preparation method of the film. The film disclosed by the invention has the performances of high hardness, low friction coefficient, long wear-resisting life and the like. |
| priorityDate | 2018-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 40.