公开(公告)号：US3871974A

公开(公告)日：1975-03-18

申请号：US40024073

申请日：1973-09-24

Applicant: RICHARDSON CHEMICAL CO

Inventor： DUCHENE JOSEPH R ,  DECHRISTOPHER PHILLIP J

IPC: C25D3/22 ,  C23B5/10 ,  C23B5/46

CPC classification number: C25D3/22

Abstract: Non-cyanide, alkaline electroplating baths for bright zinc plating containing quarternized polymeric condensates of alkylene polyamines and epihalohydrins in admixture with alkdehyde type brightners and mercapto substituted heterocyclic compounds capable of producing bright deposits over a broad current density range.

Abstract translation: 非氰化物，碱性电镀浴，用于光亮镀锌，其含有亚烷基多胺和表卤代醇与甲醛型光亮剂和巯基取代的杂环化合物的季铵化聚合物缩合物，其能够在宽电流密度范围内产生明亮的沉积物。

公开(公告)号：US3886054A

公开(公告)日：1975-05-27

申请号：US40042773

申请日：1973-09-24

Applicant: RICHARDSON CHEMICAL CO

Inventor： DUCHENE JOSEPH R ,  DE CHRISTOPHER PHILIP J

IPC: C25D3/22 ,  C23B5/10 ,  C23B5/46

CPC classification number: C25D3/22

Abstract: Non-cyanide, alkaline electroplating baths for bright zinc plating containing quarternized polymeric condensates of alkylene polyamines and 1,3-dihalo-2-propanol as grain refiners preferably in admixture with aldehyde type brighteners and mercapto substituted heterocyclic compounds capable of producing the bright, fine grained deposits over a broad current density range.

Abstract translation: 非氰化物，碱性电镀浴，用于光亮镀锌，含有亚烷基多胺和1,3-二卤代-2-丙醇作为晶粒细化剂的季铵化聚合物缩合物，优选与醛型增白剂和能够产生光亮的细小的巯基取代的杂环化合物混合 颗粒沉积物在宽电流密度范围内。