Patent ID: 9649713
Date: 2017-05-16
CPC Classifications: B01D,B23K,C07D,C23C,C23F,H05K

Claim:
1. A surface treating composition for copper or a copper alloy, comprising (i) an imidazole compound represented by the chemical formula (I): wherein R represents a hydrogen atom or a methyl group, and Y represents a phenyl group, a group represented by formula (II) or a group represented by formula (III), wherein n is 0, 1 or 2, and (ii) an organic acid, wherein the organic acid is selected from the group consisting of formic acid, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, heptanic acid, caprylic acid, pelargonic acid, capric acid, lauric acid, isobutyric acid, 2-ethylbutyric acid, oleic acid, glycolic acid, lactic acid, 2-hydroxybutyric acid, 3-hydroxybutyric acid, gluconic acid, glyceric acid, tartaric acid, malic acid, citric acid, chloroacetic acid, dichloroacetic acid, trichloroacetic acid, bromoacetic acid, iodoacetic acid, methoxyacetic acid, ethoxyacetic acid, propoxyacetic acid, butoxyacetic acid, 2-(2-methoxyethoxy)acetic acid, 2-[2-(2-ethoxyethoxy)ethoxy]acetic acid, 2-{2-[2-(2-ethoxyethoxy)ethoxy]ethoxy}acetic acid, 3-methoxypropionic acid, 3-ethoxypropionic acid, 3-propoxypropionic acid, 3-butoxypropionic acid, levulinic acid, glyoxylic acid, pyruvic acid, acetoacetic acid, acrylic acid, crotonic acid, oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, maleic acid, fumaric acid, benzoic acid, p-nitrobenzoic acid, picric acid, salicylic acid, p-toluenesulfonic acid, methanesulfonic acid, and sulfamic acid.