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AssigneeBlue Planet Systems Corporation
InventorsBrent R. Constantz, Seung-Hee Kang, Catherine Levey, Jacob Schneider
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Methods of producing a building material are provided. Methods of interest include preparing a carbonate precipitate comprising an undifferentiated pluripotent polymorph precursor (i.e., a polymorph precursor) and processing the carbonate precipitate under conditions sufficient to produce the building material. The disclosed polymorph precursors exist in an intermediate state between an disordered state (e.g., amorphous calcium carbonate (ACC)) and an ordered state (e.g., a polymorph of calcium carbonate or of calcium magnesium carbonate). Aspects of the invention also include building materials (e.g., aggregates) as well as compositions (e.g., concrete dry composites, settable compositions and built structures) that include building materials produced via the subject methods.
A method of producing a building material, the method comprising:
The method according to any of the preceding claims, wherein the carbonate precipitate is comprised of metal carbonate particles.
The method according to any of the preceding claims, wherein the polymorph precursor is an amorphous polymorph precursor.
The method according to any of the preceding claims, wherein the polymorph precursor is selected from the group consisting of:
The method according to any of the preceding claims, further comprising combining the carbonate precipitate with a seed structure.
The method according to any of the preceding claims, wherein processing the carbonate precipitate under conditions sufficient to produce the building material comprises maintaining a moisture level of the carbonate precipitate.
The method according to any of the preceding claims, further comprising evaluating the carbonate precipitate for the presence of the polymorph precursor.
The method according to any of the preceding claims, further comprising contacting the building material with a curing liquid sufficient to produce a cured building material.
The method according to any of the preceding claims, wherein the building material comprises an aggregate.
The method according to any of the preceding claims, wherein preparing the carbonate precipitate comprises a CO2 sequestering process.
Dependencies are inferred from the claim text.