EP4056737A4 - IONIC LIQUID FOR PICKLING STAINLESS STEEL AND METHOD FOR PICKLING STAINLESS STEEL USING THE SAME - Google Patents

IONIC LIQUID FOR PICKLING STAINLESS STEEL AND METHOD FOR PICKLING STAINLESS STEEL USING THE SAME Download PDF

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Publication number
EP4056737A4
EP4056737A4 EP20889474.1A EP20889474A EP4056737A4 EP 4056737 A4 EP4056737 A4 EP 4056737A4 EP 20889474 A EP20889474 A EP 20889474A EP 4056737 A4 EP4056737 A4 EP 4056737A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
pickling stainless
same
ionic liquid
pickling
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.)
Pending
Application number
EP20889474.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4056737A1 (en
Inventor
Jin-Suk Kim
Jaejoon Lee
Byungkwon KIM
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4056737A1 publication Critical patent/EP4056737A1/en
Publication of EP4056737A4 publication Critical patent/EP4056737A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/12—Pickling; Descaling in melts
    • C25F1/14—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • C23G1/063—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors heterocyclic compounds
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts
    • C23G1/32—Heavy metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
EP20889474.1A 2019-11-21 2020-10-16 IONIC LIQUID FOR PICKLING STAINLESS STEEL AND METHOD FOR PICKLING STAINLESS STEEL USING THE SAME Pending EP4056737A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190150288A KR102300834B1 (ko) 2019-11-21 2019-11-21 스테인리스강 산세용 이온성 액체 및 이를 이용한 스테인리스강의 산세방법
PCT/KR2020/014199 WO2021101076A1 (ko) 2019-11-21 2020-10-16 스테인리스강 산세용 이온성 액체 및 이를 이용한 스테인리스강의 산세방법

Publications (2)

Publication Number Publication Date
EP4056737A1 EP4056737A1 (en) 2022-09-14
EP4056737A4 true EP4056737A4 (en) 2023-01-11

Family

ID=75981320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20889474.1A Pending EP4056737A4 (en) 2019-11-21 2020-10-16 IONIC LIQUID FOR PICKLING STAINLESS STEEL AND METHOD FOR PICKLING STAINLESS STEEL USING THE SAME

Country Status (5)

Country Link
US (1) US20230059039A1 (ko)
EP (1) EP4056737A4 (ko)
KR (1) KR102300834B1 (ko)
CN (1) CN114829682A (ko)
WO (1) WO2021101076A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102693618B1 (ko) * 2024-01-03 2024-08-12 주식회사 투에이치플러스 스테인리스의 나노코팅 시공 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088737A2 (en) * 2005-02-14 2006-08-24 Small Robert J Semiconductor cleaning
WO2010052123A1 (en) * 2008-11-05 2010-05-14 Henkel Ag & Co. Kgaa Ionic liquid composition for the removal of oxide scale
CN108505066A (zh) * 2018-06-27 2018-09-07 东北大学 一种离子液体中高效电化学制备铝的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587369B1 (fr) 1985-09-19 1993-01-29 Ugine Gueugnon Sa Procede de decapage acide de produits en acier inoxydable
US5154774A (en) 1985-09-19 1992-10-13 Ugine Aciers De Chatillon Et Gueugnon Process for acid pickling of stainless steel products
DE3937438C2 (de) 1989-02-23 1998-01-29 Wilfried Simmer Verfahren zum Beizen von Stahl
IT1255655B (it) 1992-08-06 1995-11-09 Processo di decapaggio e passivazione di acciaio inossidabile senza impiego di acido nitrico
JP3213833B2 (ja) * 1994-01-31 2001-10-02 ダイソー株式会社 ステンレス鋼板の電解酸洗方法及びそれに使用される電極
IT1312556B1 (it) 1999-05-03 2002-04-22 Henkel Kgaa Processo di decapaggio di acciaio inossidabile in assenza di acidonitrico ed in presenza di ioni cloruro
DE60329501D1 (de) * 2002-09-10 2009-11-12 Nippon Mining Co Verfahren zur metallabscheidung und vorbehandlungsmittel
SG10201402353PA (en) * 2009-06-08 2014-10-30 Basf Se Use of ionic fluids for pretreating plastic surfaces for metallization
KR101342359B1 (ko) * 2011-10-31 2013-12-16 이병록 너트의 내측 표면처리 방법
KR101359098B1 (ko) * 2012-07-31 2014-02-12 주식회사 포스코 오스테나이트계 스테인리스 냉연강판을 제조하기 위한 고속 산세 프로세스
KR101592147B1 (ko) * 2015-08-19 2016-02-04 이대석 알루미늄 기판의 산화막 형성방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088737A2 (en) * 2005-02-14 2006-08-24 Small Robert J Semiconductor cleaning
WO2010052123A1 (en) * 2008-11-05 2010-05-14 Henkel Ag & Co. Kgaa Ionic liquid composition for the removal of oxide scale
CN108505066A (zh) * 2018-06-27 2018-09-07 东北大学 一种离子液体中高效电化学制备铝的方法

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
KIM BYUNG-KWON ET AL: "Application of ionic liquids for metal dissolution and extraction", JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, vol. 61, 28 December 2017 (2017-12-28), KOREA, pages 388 - 397, XP093003138, ISSN: 1226-086X, DOI: 10.1016/j.jiec.2017.12.038 *
LEE JUNGEUN ET AL: "Electrochemical Descaling of Metal Oxides from Stainless Steel Using an Ionic Liquid-Acid Solution", ACS OMEGA, vol. 5, no. 25, 19 June 2020 (2020-06-19), US, pages 15709 - 15714, XP093003213, ISSN: 2470-1343, Retrieved from the Internet <URL:http://pubs.acs.org/doi/pdf/10.1021/acsomega.0c02163> [retrieved on 20221129], DOI: 10.1021/acsomega.0c02163 *
See also references of WO2021101076A1 *
VERMA CHANDRABHAN ET AL: "Ionic liquids as green and sustainable corrosion inhibitors for metals and alloys: An overview", JOURNAL OF MOLECULAR LIQUIDS, vol. 233, 2 March 2017 (2017-03-02), pages 403 - 414, XP029975527, ISSN: 0167-7322, DOI: 10.1016/J.MOLLIQ.2017.02.111 *
WHITEHEAD J A ET AL: "Comparative leaching of a sulfidic gold ore in ionic liquid and aqueous acid with thiourea and halides using Fe(III) or HSO"5^- oxidant", HYDROMETALLURGY, ELSEVIER SCIENTIFIC PUBLISHING CY. AMSTERDAM, NL, vol. 98, no. 3-4, 28 May 2009 (2009-05-28), pages 276 - 280, XP026224376, ISSN: 0304-386X, [retrieved on 20090528], DOI: 10.1016/J.HYDROMET.2009.05.012 *

Also Published As

Publication number Publication date
WO2021101076A1 (ko) 2021-05-27
KR20210062272A (ko) 2021-05-31
US20230059039A1 (en) 2023-02-23
KR102300834B1 (ko) 2021-09-13
EP4056737A1 (en) 2022-09-14
CN114829682A (zh) 2022-07-29

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