http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111484756-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09C3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09C1-3653 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09C3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09C1-36 |
| filingDate | 2020-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111484756-B |
| titleOfInvention | Method for improving dispersion stability of alumina-coated titanium dioxide |
| abstract | A method for improving the dispersion stability of alumina coated titanium dioxide comprises the following steps: (1) preparing titanium dioxide into titanium dioxide slurry; (2) adjusting the reaction temperature to ensure constant temperature in the coating process of the titanium dioxide; (3) mixing trisodium citrate with Na under the action of stirring 2 SO 4 Adding a solid into the titanium dioxide slurry, wherein the pre-dispersing agent is trisodium citrate; (4) adjusting the pH value of the titanium dioxide initial slurry; (5) aluminum sulfate is used for coating an aluminum oxide coating layer, and the aluminum oxide coating layer is cured, washed, dried and subjected to vapor powder treatment to obtain the product. Dispersing and inducing effect in trisodium citrate, and adding Na 2 SO 4 The collision between the titanium dioxide and the alumina primary particles is promoted, the condensation and deposition speed of the alumina primary particles on the surfaces of the titanium dioxide particles is accelerated, so that the generation of a high-continuity, high-porosity and flocculent boehmite coating layer on the surfaces of the titanium dioxide particles is regulated and controlled, and the prepared alumina-coated titanium dioxide has better dispersion stability in an aqueous system. |
| priorityDate | 2020-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.