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US 11,021,394 B2Granted
Coated fibers for enhanced concrete structural reinforcement
AssigneePascale Industries, Inc.
InventorMichael A. Riley
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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.
Claims11
A method for improvement of the mechanical and chemical resistant properties of concrete, comprising the steps of:
- preparing a quantity of fibers by texturizing them;
- coating the fibers with an alkali-insoluble liquid polymer which will adhere to the material of the fiber and to concrete;
- coating the fibers with a further coating of nanoparticles disposed in an alkali-soluble material, such that upon subsequent mixing with a concrete mix, the alkali-soluble coating dissolves, leaving the nanoparticles dispersed throughout the concrete mix;
- drying the coated fibers;
- cutting the dried fibers to lengths of 2-3 inches;
- mixing the cut fibers into a wet concrete mix;
- disposing the concrete mix in a final configuration;
- and
- allowing the concrete to cure.
6 more elements
Dependencies are inferred from the claim text.