http://rdf.ncbi.nlm.nih.gov/pubchem/patent/SG-187092-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_097405822d505467fd50f7100022cd56 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F20-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-20 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K23-52 |
| filingDate | 2011-06-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_705ba8535a90ee52fc9dab4c8c371e8a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7c32fd05d936a712f0eba342b5f2fcfe http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6e2df5907de1461c4e870c76a33df24c |
| publicationDate | 2013-03-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | SG-187092-A1 |
| titleOfInvention | Dispersant for calcium carbonate, and process for continuous production of the dispersant |
| abstract | The present invention relates to a dispersant for calcium carbonate, which leads to a calcium carbonate slurry having a reduced initial viscosity by wet grinding and prevents a significant increase in viscosity of the slurry with passage of time, and a continuous production method thereof The present dispersant for calcium carbonate is produced by a method including a polymerization process and a neutralization process sequentially, and the method is characterized in that the polymerization process is a process in which a monomer containing acrylic acid, an IPA aqueous solution, a hypophosphite, a persulfate, and sodium hydroxide are continuously supplied to a reactor, and the monomer is continuously polymerized, and the IPA, hypophosphite, persulfate and sodium hydroxide are supplied in amounts of 15-100 parts by mass, 2.0-5.0 parts by mass, 0.5-2.0 parts by weight, and 5.0-20 parts by mass, respectively, relative to 100 parts by mass of the monomer, a reaction temperature in the polymerization process is between 68°C and 82°C, and the neutralization rate in the neutralization process is in the range from 15-95 mol%. |
| priorityDate | 2010-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.