http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107841896-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P1-39 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P5-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G8-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D06P5-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D06P1-39 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G8-24 |
| filingDate | 2017-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-05-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-05-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107841896-B |
| titleOfInvention | Preparation method of acid dye fixing agent |
| abstract | The invention discloses a preparation method of an acid dye fixing agent, which comprises the following steps: sulfonating a part of phenols by concentrated sulfuric acid to obtain phenols with sulfonic groups, condensing the other part of phenols and formaldehyde in an organic solvent under the catalysis of acid to obtain a precondensate, mixing the products together, and carrying out polycondensation reaction to obtain the sticky color fixing agent. The invention adopts a 3-step method to synthesize the acid dye color fixing agent, controls the sulfonation degree and the water solubility of the final product by carrying out sulfonation reaction on part of phenols and concentrated sulfuric acid, and then carrying out condensation reaction on the product and the other part of sulfonated phenol and formaldehyde in an organic solvent, and adjusts the color fixing effect of the final product. |
| priorityDate | 2017-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 56.