GB1091171A - Cyanide-free alkaline bright zinc plating baths - Google Patents

Cyanide-free alkaline bright zinc plating baths

Info

Publication number
GB1091171A
GB1091171A GB51965A GB51965A GB1091171A GB 1091171 A GB1091171 A GB 1091171A GB 51965 A GB51965 A GB 51965A GB 51965 A GB51965 A GB 51965A GB 1091171 A GB1091171 A GB 1091171A
Authority
GB
United Kingdom
Prior art keywords
litre
grams
cyanide
zinc plating
plating baths
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB51965A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1091171A publication Critical patent/GB1091171A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)

Abstract

A cyanide-free, alkaline, bright zinc plating bath contains one or more polyamines, other known brightening agents and bath additives, and also, as separate compounds, thiourea and a thiocarbamic acid or a salt thereof. Suitable additions are polymines in amounts 0.5-15 grams/litre, thiourea 0.5-15 grams/litre thiocarbamic acid or its salt 0.2-20 grams/litre, benzaldehyde coumarin, vanillin, anisicaldehyde, salicylaldehyde or heliotropin 0.4-4 grams/litre; gelatine, gum arabic, tragacanth 1-2 grams/litre; octyl, decyl, lauryl and dodecylsulphonates 1-5 grams/litre. The zinc may be added as zinc oxide dissolved in sodium hydroxide.
GB51965A 1964-03-31 1965-01-06 Cyanide-free alkaline bright zinc plating baths Expired GB1091171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU701264 1964-03-31

Publications (1)

Publication Number Publication Date
GB1091171A true GB1091171A (en) 1967-11-15

Family

ID=25559684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51965A Expired GB1091171A (en) 1964-03-31 1965-01-06 Cyanide-free alkaline bright zinc plating baths

Country Status (1)

Country Link
GB (1) GB1091171A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990233A (en) * 1972-12-28 1974-08-28
JPS49112834A (en) * 1973-02-28 1974-10-28
CN103911649A (en) * 2014-04-23 2014-07-09 桂林理工大学 Preparation method of zinc-based composite coating
CN112981480A (en) * 2021-02-25 2021-06-18 安徽绿能技术研究院有限公司 Electroplating material for improving electroplating binding force and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990233A (en) * 1972-12-28 1974-08-28
JPS5320927B2 (en) * 1972-12-28 1978-06-29
JPS49112834A (en) * 1973-02-28 1974-10-28
JPS537899B2 (en) * 1973-02-28 1978-03-23
CN103911649A (en) * 2014-04-23 2014-07-09 桂林理工大学 Preparation method of zinc-based composite coating
CN103911649B (en) * 2014-04-23 2016-08-17 桂林理工大学 A kind of preparation method of zinc bace composite coating layer
CN112981480A (en) * 2021-02-25 2021-06-18 安徽绿能技术研究院有限公司 Electroplating material for improving electroplating binding force and preparation method thereof

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