ZINC ELECTROPLATING BATH

摘要

Case U-10,744 BFC/pr A non-cyanide zinc electroplating bath containing an effective amount of a leveling and brightening agent comprising a bath soluble butyl nicotinate quaternary salt. The electroplating bath may further advantageously incorporate an effective amount of a polyether compound as a supporting brightening agent and methane sulfonic acid and salts thereof as a supporting leveling agent. The improved leveling of the bright electrodeposited zinc plate in accordance with the process aspects is attained over a relatively broad range of pH and current density.