Coated fibers for enhanced concrete structural reinforcement
US11021394B2 · kind B2 · utility
1Cited by
9References
11Claims
0Family size
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Key dates
| Filing date | Nov 5, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Jan 19, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/00129
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Fibers to be added to concrete to improve its properties are coated with an alkali-insoluble polymer, to provide adhesion of the fibers to the concrete. In a further improvement, nanoparticles are dispersed in an alkali-soluble polymer coating, and this is used to coat the fibers. When the fibers are mixed into the concrete mix, the nanoparticles are dispersed throughout the concrete, avoiding problems from agglomeration of the nanoparticles if simply added to the concrete mix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.