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US 12,091,369 B2Granted
Protective coatings for concrete
AssigneeZirconia Inc.
InventorsBalamuralee Venkatesalu Balaguru, Benjamin Theodore Cook
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Abstract
Inorganic coatings that may be used to coat and protect concrete are disclosed. The protective inorganic coatings include a liquid composition portion comprising water, an alkali metal oxide component and a silicate-containing component. The coatings also include a powder composition portion comprising microspheres, metal oxide powder and optional microfibers. When applied to concrete, the coatings provide chemical and physical protection.
Claims17
A protective inorganic coating composition comprising:
- a liquid composition portion comprising by weight percent of the liquid composition portion:
- from 50 to 70 weight percent water, from 17 to 27 weight percent of an alkali metal oxide component comprising potassium oxide, and from 18 to 28 weight percent of a silicate-containing component;
- and
- a powder composition portion comprising by weight percent of the powder composition portion:
- from 25 to 35 weight percent microspheres comprising pozzolan, from 4 to 30 weight percent of at least one metal oxide powder comprising a Group II metal, Group IV metal, Group VI metal, Group X metal, Group XII metal or a combination thereof, and from 4 to 15 weight percent microfibers.
2 more elements
Dependencies are inferred from the claim text.