Scully, Scott, Murphy & Presser, P.C.
Polyamide-imide resin insulating varnish and insulated wire using the same
A polyamide-imide resin insulating varnish includes an aromatic diamine component, an aromatic diisocyanate component, an acid component including an aromatic tricarboxylic acid anhydride, and a solvent. The aromatic diamine component includes an aromatic diamine with three or more benzene rings and an aromatic diamine with two or less benzene rings. The aromatic diamine with three or more benzene rings and the aromatic diamine with two or less benzene rings are added 99/1 to 30/70 in mole ratio.
Hitachi Cable, Ltd. Hitachi Magnet Wire Corp.
C H C C C C C C C H
C08G H01B C09D C08G C08G C08G C08G C08G C08G H01B
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Yuzo Yuki Hideyuki
Yukimori Honda Kikuchi