Electrodepositing solution and electrodeposition coated body

An electrodeposition solution including: a polyamide-imide resin; a polar solvent; water; a poor solvent; and a base, is provided. The polar solvent is an organic solvent having a boiling point more than 100 DEG C; and D(S-P) of the organic solvent satisfies D(S-P) < 6, D(S-P) being defined by th...

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Hauptverfasser: HIRANO, KOJI, HIRATA, JYUNKO, SAKURAI, HIDEAKI, IIDA, SHINTARO
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:An electrodeposition solution including: a polyamide-imide resin; a polar solvent; water; a poor solvent; and a base, is provided. The polar solvent is an organic solvent having a boiling point more than 100 DEG C; and D(S-P) of the organic solvent satisfies D(S-P) < 6, D(S-P) being defined by the formula below. The weight average molecular weight of the polyamide-imide is 10*104 to 30*104 or the number average molecular weight of the polyamide-imide is 2*104 to 5*104. D(S-P)=[(dDS-dDP)2+(dPS-dPP)2+(dHS-dHP)2]1/2 (1).