Quick binder for self compacting concrete, use and application of same
US7029527B2 · kind B2 · utility
17Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2001 |
| Grant date | Apr 18, 2006 |
| Priority date | — |
| Expiry date | Jun 19, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2201/50
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A binder for self-compacting concrete includes, in dry weight of the-binder, 70 to 90% of Portland cement, 4 to 16% of calcium aluminate, 4 to 14% of calcium sulphate, an accelerator and a retarder, 0 to 2% of Ca(OH)2 and at least an additive with a water reducer. The calcium sulphate is in the form of anhydrite and the water reducer has at least a superplasticizer consisting of a water soluble or water dispersible organic compound, having at least an amino-di(alkylene-phosphonic) group and at least a polyoxyalkylated chain or at least one of its salts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.