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US 12,668,682 B2Granted
Curable composition containing rice husk ash biosilica toughened epoxy resin
AssigneeNajran University
InventorsHassan A. Alshahrani, V. R. Arun Prakash
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Abstract
A curable composition includes at least one polyamine; an epoxy resin; and a silane-modified biosilica material. The silane-modified biosilica material is derived from rice husk and is present in the curable composition at a concentration of 0.01 to 10 wt. %, based on the total weight of the curable composition. The silane-modified biosilica material has an average particle size of 1 to 10 micrometers (μm). A method of making a cured composite material from the curable composition.
Claims20
A curable composition, comprising:
- at least one polyamine;
- an epoxy resin;
- and
- a silane-modified biosilica material;
- wherein the silane-modified biosilica material is derived from rice husk;
- wherein the silane-modified biosilica material is present in the curable composition at a concentration of 0.01 to 10 wt. %, based on a total weight of the curable composition;
- and
- wherein the silane-modified biosilica material has an average particle size of 1 to 10 micrometers (μm).
5 more elements
Dependencies are inferred from the claim text.