Additive for hydraulic binding agent with long processing time and high early strength
US8092592B2 · kind B2 · utility
4Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2010 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Nov 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Exemplary embodiments as disclosed herein are directed to setting and curing accelerators for hydraulic binders, including at least one ester of a polyhydric alcohol with an acid and/or salts thereof, where the acid is a phosphoric acid, phosphorous acid or a C2 to C20 carboxylic acid. Compositions including at least one accelerator as disclosed herein can accelerate the setting and curing of hydraulic binders and mortar or concrete produced therefrom, such as quick-setting cement. Methods for accelerating the setting and curing of hydraulic binders and mortar or concrete produced therefrom are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.