http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103205821-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b1ffa701ea145b135baa324d5a2c0eff |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F8-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F6-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F11-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-12 |
| filingDate | 2013-04-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2014-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3a78002dd44029184bbaa5ecbc4f5bb4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d80dc116c64060dba48d678fb5f0560a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3c3d2c5f5f9a9353556ddb88d2d7118d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_64fc166b249eefaf74e6fe6082cb4a45 |
| publicationDate | 2014-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103205821-B |
| titleOfInvention | Preparation method of moisture-absorption flat polyacrylonitrile fiber |
| abstract | The invention relates to a preparation method of a moisture-absorption flat polyacrylonitrile fiber. The fiber is prepared by carrying out the following steps of: (1) carrying out hydrolysis treatment on an acrylonitrile copolymer; (2) using a solvent for precipitation, filtering the resulting product, and regulating the pH value of the filtered product; (3) preparing a hydrolyzed polyacrylonitrile raw liquid; (4) regulating the temperature of the hydrolyzed polyacrylonitrile raw liquid, sufficiently and uniformly mixing the temperature reduced hydrolyzed polyacrylonitrile raw liquid with the polyacrylonitrile raw liquid produced using a conventional method to prepare a moisture-absorption polyacrylonitrile raw liquid; and (5) subjecting the raw liquid to extrusion solidification molding, pre-drawing, washing, hot drawing, densification-crosslinking, crimp fixing, oiling, and drying procedures by a special spinneret in a polyacrylonitrile wet spinning production line to obtain the moisture-absorption flat polyacrylonitrile fiber. The moisture-absorption flat polyacrylonitrile fiber prepared by the method provided by the invention not only has good moisture adsorption performance and certain flat grade, but also is good in uniformity and durability, as well as is not limited by size and length of the fiber, and the preparation method is high in production efficiency. |
| priorityDate | 2013-04-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 91.