http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103788293-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02E60-34 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K8-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F17D1-17 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-60 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/C08F2-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-30 |
| filingDate | 2012-10-29-04:00^^<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-103788293-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) and/or the construction unit shown in formula (2), described construction unit B is at least one in the construction unit shown in formula (3), formula (4), formula (5) and formula (6), described construction unit C is the construction unit shown in formula (7) and/or the construction unit shown in formula (8), and described construction unit D is the construction unit shown in formula (9) and/or the construction unit shown in formula (10)；The viscosity-average molecular weight of described acrylamide based copolymer is 2,000,000-1,800 ten thousand.Acrylamide based copolymer provided by the invention, drag reducing efficiency are high, heat-resisting and salt tolerance high shear performance high, anti-is good, good water solubility and clay inhibitor (alcohol) have good compatibility and formation damage is low. |
| priorityDate | 2012-10-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 95.