Additives for mineral binders, based on a product of internal dehydration of a hydrogenated sugar, mineral binders with additives and method of preparing same
US6811604B2 · kind B2 · utility
9Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2002 |
| Grant date | Nov 2, 2004 |
| Priority date | — |
| Expiry date | Jul 26, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B24/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The subject matter of the invention is a new additive for mineral binders comprising a composition containing at least one product of internal dehydration of a hydrogenated sugar which can especially be a dehydrated hexitol such as isosorbide, isomannide, sorbitan or mannitan and which can be introduced at a rate of between roughly 0.001 and 5% (dry/dry) within any mineral binder, said additive being advantageously used as an accelerator for setting and/or hardening and/or as an agent for improving the mechanical properties of the mineral binder. It has a remarkable efficiency, including at low temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.