Cementitious compositions
US4240840A · kind A · utility
40Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1978 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | Apr 26, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B28/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Cementitious compositions having a modulus of rupture greater than 20 MN/m.sup.2 are prepared by subjecting a mixture of hydraulic cement, fine aggregate, a selected water-dispersible polymer and water to a homogenization process (in order to very substantially reduce voidage in the product) and by thereafter curing and drying the product. The aggregate improves the modulus of rupture and resists any loss in this strength property due to moisture uptake and loss.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.