发明名称 |
ZINC AND ZINC ALLOY ELECTROPLATING ADDITIVES AND ELECTROPLATING METHODS |
摘要 |
An additive for an alkaline zinc or zinc alloy electroplating bath medium, the additive comprising a random co-polymer comprising the reaction product of: (vii) one or more di-tertiary amines including an amide or thioamide functional group, and (viii) optionally, one or more saturated second di-tertiary amines and/or one or more second di-tertiary amines including an unsaturated moiety, with (ix) one or more saturated or unsaturated linking agents capable of reacting with said di-tertiary amines (i) and (ii), provided that, where all the linking agents are saturated, an unsaturated di-tertiary amine must be present. Preferably, the polymer has the general formula n(2x+2y+zEp)j-.
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申请公布号 |
WO0208497(A1) |
申请公布日期 |
2002.01.31 |
申请号 |
WO2001GB03117 |
申请日期 |
2001.07.11 |
申请人 |
MACDERMID PLC;HERDMAN, RODERICK, DENNIS;PEARSON, TREVOR;ROWAN, ANTHONY |
发明人 |
HERDMAN, RODERICK, DENNIS;PEARSON, TREVOR;ROWAN, ANTHONY |
分类号 |
C25D3/22;C25D3/56;(IPC1-7):C25D3/22 |
主分类号 |
C25D3/22 |
代理机构 |
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