http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105330752-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08B11-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08B11-12 |
| filingDate | 2015-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105330752-B |
| titleOfInvention | A kind of method for preparing carboxymethyl cellulose with high degree sodium |
| abstract | The invention belongs to chemical fields, and in particular to a kind of method for preparing carboxymethyl cellulose with high degree sodium.The technical problems to be solved by the invention are to provide a kind of method for preparing carboxymethyl cellulose with high degree sodium, include the following steps：A, alcohol and sodium hydrate aqueous solution are configured to mixed liquor；B, the mixed liquor of step a and cellulosic material, sodium hydrate solid mixing are subjected to quaternization；C, etherification reaction is carried out in the material for adding in etherifying agent after step b reactions；D, etherifying agent is added in the materials of step c after reaction and carries out etherification reaction again；E, alcohol and sodium hydrate aqueous solution are configured to mixed liquor；F, the mixed liquor of step e and the material mixings of step d after reaction are subjected to quaternization again；E, it post-processes.The sodium carboxymethylcellulose that degree of substitution is up to more than 1.35 can be prepared in the method for the present invention. |
| priorityDate | 2015-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.