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US 12,729,263 B2Granted
Conductive polyaspartic ester based compositions
AssigneeParker-Hannifin Corporation
InventorsBrian Flaherty, Jeremy Gershonowitz, George Spies
Life of this patent
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Abstract
A conductive composition for conductive coatings, gap fillers, caulks and fairing compounds that are useful for EMI shielding, electrical grounding, lightning strike protection, and reduced radar cross-section for low observability (LO), with improved resistance to exposure to water, oil and other fluids contains at least one aspartic ester, at least one isocyanate and a conductive filler.
Claims11
A conductive composition comprising:
- at least one aspartic ester, wherein an amount of the at least one aspartic ester is 5-30% by weight based on the weight of the conductive composition;
- at least one isocyanate, wherein an amount of the at least one isocyanate ester is 5-20% by weight based on the weight of the conductive composition;
- and
- conductive filler, wherein an amount of the conductive filler is greater than 50% by weight based on the weight of the conductive composition;
- and
- an organic solvent, wherein an amount of the solvent is 0.01-10% by weight based on the weight of the conductive composition.
3 more elements
Dependencies are inferred from the claim text.