| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f758dbe45d1c0efd81aed6ae49981b71
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d80228fea1bfe12324a6d4353d6702eb |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D67-0002
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D71-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D61-025
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D69-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D69-02 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D61-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D71-56
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D69-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D69-12 |
| filingDate |
2020-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6412b513572b7751233ca01f36378d8e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cb9198876ae6982ddc54897b65a69658
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b8d5f48980647e95d06d5f2ee7b29e55
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_238b50d5e2dd4ebdfaeafee6b189bb6d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e000a9a6b4c86b551b47b17bdafa764b |
| publicationDate |
2021-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-113351029-A |
| titleOfInvention |
A kind of high flux composite reverse osmosis membrane and its preparation method and application |
| abstract |
The invention discloses a high-flux composite reverse osmosis membrane and a preparation method and application thereof. The composite reverse osmosis membrane comprises the bottom layer, the middle porous support layer and the active separation layer of the surface layer, wherein, the active separation layer is obtained by mixing the aqueous phase containing ammonium bicarbonate and polyamine with 5-(dimethylamino) A polyamide active separation layer formed by interfacial polymerization of an organic phase of -2-methyl-5-methyl oxopentanoate and polybasic acid chloride. The invention enables the prepared composite reverse osmosis membrane to have excellent water flux and maintain good retention characteristics through the synergistic effect of two kinds of additives with simple types and less dosage. In addition, the preparation method is simple and convenient to operate, and has great industrial application prospect. |
| priorityDate |
2020-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |