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US 2026/0085208 A1Published application
Polyimide and method of manufacture
AssigneeEssex Solutions USA LLC
InventorsFrederick M. McFarland, Tamanna F. McFarland, Allan R. Knerr, Matthew E. Leach
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Abstract
A polyimide formed from the reaction of a dianhydride monomer and diamine involving and endcapped acid terminated dianhydride intermediate. The polyimide is suitable for use as a coating on wire and in particular magnetic wire so as to form insulation to improve longevity of wire and wire-based components.
Claims24
A polyimide having a formula 1:
- wherein Ar1 is alkyl, phenyl or mixed alkyl-phenyl;
- or
- wherein Ar1 is a substituted or unsubstituted condensed aromatic ring or rings, a naphthalene, pyrene, and/or anthracene ring, or a substituted or unsubstituted heterocycle,
- a furan ring, a pyridine ring or an imidazole ring;
- and
- wherein Ar2 is a divalent phenyl ether, alky ether or alky-phenyl ether.
3 more elements
Dependencies are inferred from the claim text.