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US 12,492,311 B2Granted
Hybrid sol-gel coating formulations doped with corrosion inhibitive pigments
AssigneeRaytheon Company
InventorWeilong Zhang
Life of this patent
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Abstract
A corrosion inhibiting coating includes a hybrid sol-gel polymer matrix formed from a mixture of organometallic compounds, an organoalkoxysilane, a metal complexing agent, and at least two corrosion inhibiting compounds or species.
Claims14
A corrosion inhibiting coating comprising:
- a hybrid sol-gel polymer matrix formed from a mixture comprising:
- organometallic compounds;
- an organoalkoxysilane;
- a metal complexing agent;
- and
- at least two additional corrosion inhibiting compounds or species;
- wherein the organometallic compounds include zirconium (IV) propoxide, aluminum-tri-sec-butoxide, and titanium (IV) isopropoxide.
4 more elements
A corrosion inhibiting coating with a hybrid sol-gel polymer matrix comprising:
- organometallics comprising zirconium (IV), aluminum, and titanium (IV) in molar ratios of about 1 to about 3:about 0.5 to about 2:about 0.25 to about 1;
- an organoalkoxysilane;
- acetic acid;
- and
- at least two additional corrosion inhibiting compounds or species.
2 more elements
Dependencies are inferred from the claim text.