申请人:SHIKOKU CHEMICALS CORPORATION
公开号:EP0069443A1
公开(公告)日:1983-01-12
Imidazole-4(5)-dithiocarboxylic acid compounds represented by the following general formula:
wherein R2 represents a hydrogen atom or a monovalent hydrocarbon group having up to 20 carbon atoms, R4 represents a hydrogen atom or an alkyl group having up to 4 carbon atoms, and X represents a hydrogen atom or an alkali metal atom; are useful for preventing corrosion of metallic silver.
由以下通式表示的咪唑-4(5)-二硫代羧酸化合物:其中 R2 代表氢原子或最多具有 20 个碳原子的一价烃基,R4 代表氢原子或最多具有 4 个碳原子的烷基,X 代表氢原子或碱金属原子;这些化合物可用于防止金属银的腐蚀。