Dispersion and/or grinding aid agents of kaolin in aqueous suspension, aqueous suspensions obtained and uses thereof
US10233330B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2015 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Dec 1, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C3/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a ternary mixture consisting of at least one homopolymer or copolymer of (meth)acrylic acid, partially or completely neutralized with sodium, with potassium, with lithium and/or with an amine, at least one solution of silicate or metasilicate chosen from the group consisting of a sodium silicate of formula Na2O.nSiO2 (with n varying between 1 and 4), sodium metasilicate Na2SiO3, a potassium silicate K2O.nSiO2 (with n varying between 1 and 4), potassium metasilicate K2SiO3 and a mixture of these compounds, and at least one base, as dispersion and/or grinding aid agents of kaolin in aqueous suspension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.