公开(公告)号：EP0787834A1

公开(公告)日：1997-08-06

申请号：EP97101345.3

申请日：1997-01-29

申请人： NKK CORPORATION ,  LeaRonal Japan Inc.

发明人： Ichiba, Mikiyuki, c/o Intel. Prop. Dept. NKK Corp. ,  Kubo, Hiroshi, c/o Intel. Prop. Dept., NKK Corp. ,  Yomura, Toshinori, Intel. Prop. Dept., NKK Corp. ,  Miura, Takeshi ,  Suda, Kakeshi

IPC分类号： C25D3/32

CPC分类号： C25D3/32

摘要： An additive for an acidic tinplating bath comprises: an additive ingredient (A) prepared by adding oxypropylene to polyoxyethylene glycol and having an average molecular weight ranging from 3000 to 18000; an additive ingredient (B) prepared by adding oxypropylene to polyoxyethylene glycol and having an average molecular weight ranging from 300 to 1500; and the additive ingredient (A) and the additive ingredient (B) having a weight ratio of the additive ingredient (A) to the additive ingredient (B) being from 97 / 3 to 40 / 60.

摘要翻译： 用于酸性镀锡浴的添加剂包括：通过将氧化丙烯加入到聚氧乙烯二醇中并且具有3000至18000的平均分子量而制备的添加成分（A） 通过将氧化丙烯加入到聚氧乙烯二醇中并具有300至1500的平均分子量制备的添加成分（B）; 和添加成分（A）与添加成分（B）的重量比为97/3〜40/60的添加成分（A）和添加成分（B）。