KR920016616A - Coating zinc-containing metal layer on steel strip - Google Patents

Coating zinc-containing metal layer on steel strip Download PDF

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Publication number
KR920016616A
KR920016616A KR1019920003139A KR920003139A KR920016616A KR 920016616 A KR920016616 A KR 920016616A KR 1019920003139 A KR1019920003139 A KR 1019920003139A KR 920003139 A KR920003139 A KR 920003139A KR 920016616 A KR920016616 A KR 920016616A
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KR
South Korea
Prior art keywords
anode
reaction
zinc
gas
hydrogen
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KR1019920003139A
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Korean (ko)
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KR940007178B1 (en
Inventor
코넬리스 반 하스트레흐트 기즈스베르투스
니콜라스 무이즈 주프
Original Assignee
아이알 헨드릭 코넬리스 웬첼
후고벤즈 그로엡 베뷔
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Publication of KR920016616A publication Critical patent/KR920016616A/en
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Publication of KR940007178B1 publication Critical patent/KR940007178B1/en

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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/06Wires; Strips; Foils
    • C25D7/0614Strips or foils
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/22Electroplating: Baths therefor from solutions of zinc

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

Abstract

A steel strip (1) is electrolytically coated with a metal layer at least partly of zinc in an electrochemical cell having an insoluble anode (4), wherein the strip acts as cathode. The electrolyte in the cell contains chloride ions and has high conductivity, reducing the voltage required. To avoid production of chlorine gas, hydrogen in the form of a hydrogen gas or gas containing hydrogen is supplied to the anode (4). The anode (4) is selected so that the anode reaction: H2 -> 2H<+> + 2e<-> (V> takes place, this reaction (V) predominating at the anode over the reaction: 2Cl<-> -> Cl2 &uarr& + 2e<-> (IV). <IMAGE>

Description

강철스트립에 아연을 함유하는 금속층을 코팅하는 방법Coating zinc-containing metal layer on steel strip

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 전해에 의하여 강철스트립에 아연을 함유하는 금속층을 코팅하는 기구를 나타내는 개략도, 제2도는 수소기체 분산 양극의 원리를 나타내는 개략도.1 is a schematic diagram showing a mechanism for coating a zinc-containing metal layer on a steel strip by electrolysis, and FIG. 2 is a schematic diagram showing the principle of a hydrogen gas dispersion anode.

Claims (8)

불용성 양극(4)을 갖고 스트립이 음극으로 작용하는 전기화학적 셀에서 전해에 의하여 강철 스트립에 적어도 부분적으로 아연을 함유하는 금속층을 코팅하는 방법에 있어서, 셀내에서 클로라이드 이온과 수소기체 또는 수소를 포함하는 기체를 갖는 전해질이 양극(4)으로 공급되고 양극(4)에서는 다음의 반응(Ⅴ)의 일어나며 :A method of coating a metal layer containing zinc at least partially on a steel strip by electrolysis in an electrochemical cell having an insoluble anode 4 and the strip acting as a cathode, comprising chloride ions and hydrogen gas or hydrogen in the cell. An electrolyte with gas is supplied to the anode 4 and at the anode 4 the following reaction (V) takes place: H2→ 2H++2e-(Ⅴ) H 2 → 2H + + 2e - (Ⅴ) 상기의 반응(Ⅴ)은 양극에서 다음 반응(Ⅳ) :The above reaction (V) is the following reaction (IV) at the anode: 2Cℓ-→ Cℓ2↑+2e-(Ⅳ) 2Cℓ - → Cℓ 2 ↑ + 2e - (Ⅳ) 보다 우세한 것을 특징으로 하는, 전해에 의하여 강철 스트립에 아연을 함유하는 층을 코팅하는 방법.A method of coating a zinc-containing layer on a steel strip by electrolysis, characterized by further advantage. 제1항에 있어서, 양극에서 반응(Ⅴ)의 속도는 적어도 반응(Ⅴ)의 속도의 세배인 것을 특징으로 하는 방법.The method of claim 1, wherein the rate of reaction (V) at the anode is at least three times the rate of reaction (V). 제2항에 있어서, 양극에서 반응(Ⅳ)는 전부 억제되는 것을 특징으로 하는 방법.The method of claim 2, wherein reaction (IV) at the anode is entirely suppressed. 제1항에서 제3항중 어느 한항에 있어서, 상기의 반응(V)은 양극에서 촉매의 영향하에서 일어나는 것을 특징으로 하는 방법.The process according to any one of claims 1 to 3, wherein the reaction (V) takes place under the influence of a catalyst at the anode. 제1항에서 제4항중 어느 한항에 있어서, 상기의 양극은 촉매를 갖는 다공성 양극이고, 상기의 음극을 향하는 양극의 면에 수소기체나 수소를 함유하는 기체를 공급하는 수단을 갖고 있고 그결과 상기 양극의 구멍에서 기체와 전해질이 접촉하고, 기체, 전해질, 양극의 둘에서 상기 촉매의 영향하에 상기의 반응(V)가 일어나는 것을 특징으로 하는 방법.The anode according to any one of claims 1 to 4, wherein the anode is a porous anode having a catalyst and has a means for supplying a hydrogen gas or a gas containing hydrogen to the side of the anode facing the cathode. Gas and electrolyte contact at a hole of the anode, and the reaction (V) takes place under the influence of the catalyst in both the gas, the electrolyte and the anode. 제1항에서 제5항중 어느 한항에 있어서, 양극과 음극의 전압강하는 10V보다 크지 않은 것을 특징으로 하는 방법.The method of claim 1, wherein the voltage drop of the positive and negative poles is not greater than 10V. 제1항에서 제6항중 어느 한항에 있어서, 재생기에서 아연을 용해하여서 전해질에 계속 아연 이온을 공급하고 재생기에서 동시에 생성된 수소는 반응(V)을 위해 양극에 공급하는 것을 특징으로 하는 방법.The method according to claim 1, wherein the zinc is dissolved in the regenerator to continue supplying zinc ions to the electrolyte and the hydrogen simultaneously generated in the regenerator is supplied to the anode for reaction (V). 제1항에서 제7항중 어느 한항에 있어서, 상기의 금속층은 아연 또는 아연-니켈, 아연-철의 합금중에서 선택하는 것을 특징으로 하는 방법.The method of claim 1, wherein the metal layer is selected from zinc, an alloy of zinc-nickel and zinc-iron. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920003139A 1991-02-27 1992-02-27 Method of electrolytically coating a steel strip with a metal layer at least partly of zinc KR940007178B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100353 1991-02-27
NL9100353A NL9100353A (en) 1991-02-27 1991-02-27 PROCESS FOR ELECTROLYTICALLY COATING STEEL BELT WITH A SINK-CONTAINING USE USING AN INSOLUBLE ANODE.

Publications (2)

Publication Number Publication Date
KR920016616A true KR920016616A (en) 1992-09-25
KR940007178B1 KR940007178B1 (en) 1994-08-08

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KR1019920003139A KR940007178B1 (en) 1991-02-27 1992-02-27 Method of electrolytically coating a steel strip with a metal layer at least partly of zinc

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EP (1) EP0501547B1 (en)
KR (1) KR940007178B1 (en)
AT (1) ATE125887T1 (en)
CZ (1) CZ281552B6 (en)
DE (1) DE69203752T2 (en)
ES (1) ES2075587T3 (en)
NL (1) NL9100353A (en)
PL (1) PL167731B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2891605C (en) * 2012-11-21 2017-01-03 Tata Steel Ijmuiden B.V. Chromium-chromium oxide coatings applied to steel substrates for packaging applications and a method for producing said coatings
KR102065228B1 (en) * 2017-12-26 2020-01-10 주식회사 포스코 Electroforming Device
US20220307151A1 (en) * 2021-03-29 2022-09-29 Suat Sen Control of texture and morphology of zinc films through pulsed methods from additive-free electrolytes

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8801511A (en) * 1988-06-14 1990-01-02 Hoogovens Groep Bv METHOD FOR ELECTROLYTICALLY COATING A METAL SUBSTRATE WITH A METAL COATING COAT.

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PL293621A1 (en) 1992-11-02
DE69203752D1 (en) 1995-09-07
ES2075587T3 (en) 1995-10-01
ATE125887T1 (en) 1995-08-15
KR940007178B1 (en) 1994-08-08
NL9100353A (en) 1992-09-16
DE69203752T2 (en) 1995-12-21
CZ281552B6 (en) 1996-11-13
CS58692A3 (en) 1992-12-16
PL167731B1 (en) 1995-10-31
EP0501547A1 (en) 1992-09-02
EP0501547B1 (en) 1995-08-02

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