http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2000507198-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S977-831 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B38-0022 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B38-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01B33-12 |
| filingDate | 1997-12-19^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2000-06-13^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2000507198-A |
| titleOfInvention | Pyrolysis of ceramic precursors to nanoporous ceramics |
| abstract | (57) The present invention is characterized by an open-cell microporous structure having a surface area of more than 70 cm 2 / g and a high content, wherein the average width of the micropores is less than 20 °, An amorphous nanoporous ceramic material is provided wherein the crystalline structure comprises a volume greater than about 0.03 cm 3 / g ceramic. The present invention also provides a method for making such a nanoporous ceramic. The ceramic precursor polymer or oligomer is gradually heated in the presence of an inert gas or in vacuum to a maximum temperature above 400 ° C. and up to about 650 ° C. Optionally, the method is carried out prior to the heating step, in the presence of a crosslinking agent capable of undergoing an addition or displacement reaction with the main chain atoms present in said precursor material, for about 100 hours. A crosslinking step of heating the precursor polymer or oligomer at a moderate temperature of ４００400 ° C. for a time sufficient to crosslink the precursor material may also be included, followed by pyrolyzing the crosslinked material. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2018079744-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2004358355-A |
| priorityDate | 1997-01-03^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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