Cement mortar and concrete with a reduced water absorption and a method for manufacture thereof
US4762867A · kind A · utility
6Cited by
7References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 13, 1987 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Apr 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B24/2641
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A cement mortar and concrete having a reduced water absorption and with a density of 2000-2500 kg/m.sup.3, at which it calculated on the amount of cement contains 0.2-10% by weight of a polymer in dispersion form consisting of polymeric particles containing hydropholic monomers from one or more of the groups acrylic monomers, methacrylic monomers and styrene and 1-15% calculated on the total amount of monomers of a methacrylate having an aliphatic chain of 12 or more carbons, preferably stearyl methacrylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.