http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104250355-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F226-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F222-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-32 |
| filingDate | 2013-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104250355-B |
| titleOfInvention | A kind of acrylamide based copolymer and its preparation method and application |
| abstract | The invention discloses a kind of acrylamide based copolymer and its preparation method and application.Described acrylamide based copolymer contains construction unit A, construction unit B, construction unit C and construction unit D, wherein, described construction unit A is the construction unit shown in formula (1), described construction unit B is the construction unit shown in formula (2), described construction unit C is the construction unit shown in formula (3), and described construction unit D is the construction unit shown in formula (4)；The viscosity-average molecular weight of described acrylamide based copolymer is 5,000,000-1,500 ten thousand.Acrylamide based copolymer drag reducing efficiency provided by the invention is high, salt tolerance high shear performance high, anti-is good, good water solubility and clay stabilizer have good compatibility and formation damage is low. |
| priorityDate | 2013-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 91.