公开(公告)号：US3915815A

公开(公告)日：1975-10-28

申请号：US41575773

申请日：1973-11-14

申请人： KOCH REINHARD

发明人： KOCH REINHARD

IPC分类号： C25D3/24

CPC分类号： C25D3/24 ,  Y10S524/901

摘要： The alkaline zinc electroplating bath of the present invention contains as brightening agent the reaction product of A. POLYETHYLENE IMINE OR POLYPROPYLENE IMINE WITH B. AN AROMATIC ALDEHYDE, C. AMMONIA AND/OR ETHYLENEDIAMINE, OR DIETHYLENE TRIAMINE AND D. EPICHLOROHYDRIN. Due to the addition of said reaction product its cyanide content can be considerably reduced without impairing the brightness of the zinc deposit.

摘要翻译： 本发明的碱性锌电镀浴含有作为增亮剂的A.聚乙烯亚胺或聚丙烯亚胺与B.A芳香醛，C.AMMONIA和/或乙烯二胺，或二乙烯三胺和D.HPICHLOROHYDRIN的反应产物。