http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114773235-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a908ff8f0b09743d6400a7668537499f |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-44 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-15 |
| filingDate | 2022-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6d262ef913f9f197cd71356dda776ced http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_db81b66c9f38cd4f75b82c4a7e851a22 |
| publicationDate | 2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114773235-A |
| titleOfInvention | A kind of 2-acrylamido-2-methacrylsulfonic acid monomer purification method |
| abstract | The invention discloses a method for purifying 2-acrylamido-2-methacrylsulfonic acid monomer, which belongs to the technical field of organic matter separation and purification, and includes pretreatment, transformation, and post-treatment; -Acrylamido-2-methacrylsulfonic acid is slowly put into the synthesis kettle containing 38-42% aqueous sodium hydroxide solution to obtain a mixture, then add hydroquinone to the mixture, stabilizer, 1-1.2h After cooling to 9-10°C, at this time, 2-acrylamido-2-methacrylsulfonic acid sodium salt was precipitated, and the filtered mother liquor and solid sodium salt were obtained by filtration, and vacuum-dried at 110-120°C to obtain The fine product is 2-acrylamido-2-methacrylsulfonic acid sodium salt; the monomer purification method of the present invention can simplify the purification process and at the same time reduce the production stability of 2-acrylamido-2-methacrylsulfonic acid Impact. |
| priorityDate | 2022-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 41.