发明名称 |
HIGH CURRENT DENSITY ZINC SULFATE ELECTROGALVANIZING PROCESS AND COMPOSITION |
摘要 |
A high current density electrogalvanizing process and composition are disclosed for reducing high current density dendrite formation and edge burn and controlling high current density roughness, grain size and orientation of a zinc coating obtained from a zinc sulfate aqueous acidic electrogalvanic coating bath. The composition comprises a high molecular weight polyoxyalkylene glycol grain refining agent in combination with a sulfonated condensation product of naphthalene and formaldehyde which is used as an antidendritic agent.
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申请公布号 |
CA2169497(A1) |
申请公布日期 |
1996.08.16 |
申请号 |
CA19962169497 |
申请日期 |
1996.02.14 |
申请人 |
ATOTECH USA, INC. |
发明人 |
MARTYAK, NICHOLAS MICHAEL;MCCASKIE, JOHN EDWARD |
分类号 |
C25D3/22;(IPC1-7):C25D3/22 |
主分类号 |
C25D3/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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