http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112723782-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2103-10 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B24-2682 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F226-02 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B103-10 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F226-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F226-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B24-26 |
| filingDate | 2021-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-02-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-02-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112723782-B |
| titleOfInvention | Preparation method of early strength agent suitable for high-cold and high-altitude areas |
| abstract | The invention provides a preparation method of an early strength agent suitable for alpine and high-altitude areas, which is characterized by comprising the following steps of: the method comprises the following steps: (1) r 3 NH 2 And R 1 ‑C＝C‑R 2 Carrying out alkylation reaction on the-X under the action of a catalyst at the temperature of 120-150 ℃ to obtain a monomer M; (2) adding hydrogen peroxide into deionized water, stirring and dissolving, adding a monomer M, and uniformly stirring to obtain a material A; (3) adding ascorbic acid and a double-bond quaternary ammonium salt monomer into deionized water, and uniformly stirring to obtain a material B; (4) and dropwise adding the material B into the material A at a constant speed, and reacting at a constant temperature to obtain the early strength agent. The preparation method of the early strength agent suitable for the alpine and high-altitude areas adopts an aliphatic amine monomer and halogenated olefin to carry out alkylation reaction to obtain a monomer containing double bonds and N atoms, and then carries out free radical polymerization with a quaternary ammonium salt monomer containing double bonds to obtain the early strength polymer. |
| priorityDate | 2021-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 50.