http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102505189-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7610cef0de1410bf21e1e54706e208a |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F9-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F9-21 |
| filingDate | 2011-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b5025fc9c5c846ee538f458d7e19d8b5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9472303025f71958be70615326ebd392 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_db1427a751f70549b42d3ef0b48ca6f9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4550f8d20da7e490e52c3422877234ce |
| publicationDate | 2013-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102505189-B |
| titleOfInvention | Preparation method for high strength high modulus carbon fiber |
| abstract | A preparation method for high strength high modulus carbon fiber is characterized in that polyacrylonitrile copolymer fiber is placed in a thermal treatment furnace at the temperature of 160 to 180 DEG C, thermal treatment time ranges from 4 to 8 minutes, 2 to 12% of draft ration is exerted, and an orientation degree of fa value of a molecular chain of an amorphous region in the polyacrylonitrile copolymer fiber serves as a structural control index. Fiber with the fa value ranging from 35 to 45% is selected to be processed through thermal oxidation stabilization, low temperature carbonization and high temperature carbonization to obtain the carbon fiber. Tensile strength of the obtained carbon fiber is higher than 3.6 GPa, and tensile modulus of the obtained carbon fiber is higher than 240 GPa. |
| priorityDate | 2011-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 25.