Adjuvant for hydraulic compositions
US7935748B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 2007 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Feb 2, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention provides an admixture for a hydraulic binder composition comprising at least one cationic polymer and at least one anionic polymer, at least one of these polymers having a comb type of structure, wherein the mass ratio of the anionic polymer/cationic polymer is from 99.9/0.1 to 60/40. It also provides a process for its preparation as well as its use as a plasticizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.