http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110669171-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-5245 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C02F1-56 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F212-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C02F1-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-56 |
| filingDate | 2019-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110669171-B |
| titleOfInvention | Anionic polyacrylamide and application thereof |
| abstract | The invention discloses anionic polyacrylamide and application thereof, belonging to the technical field of sewage treatment, wherein the monomer of the anionic polyacrylamide is acrylamide, the ionic monomer is sodium p-styrene sulfonate, and the initiator is ammonium persulfate, sodium borohydride and azodiisobutylamine hydrochloride; the ionic monomer is grafted on a carbon chain of polyacrylamide; the anionic polyacrylamide ionicity is 10-40 wt.%, preferably 20 wt.%; the polymerization degree of the anionic polyacrylamide is 8-19 ten thousand, preferably 15 ten thousand; the invention introduces a proper amount of water-soluble ionic groups in the process of synthesizing polyacrylamide to regulate the ionic degree of the polyacrylamide for urban sewage treatment, and further optimizes the electrostatic adsorption flocculation of charged groups on the polymer on impurities in water by screening out proper ionic degree and corresponding using process conditions, thereby achieving high-efficiency sewage purification effect by function integration and meeting the national first-class A standard. |
| priorityDate | 2019-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.