EP4056737A4 - Ionische flüssigkeit zum beizen von rostfreiem stahl und verfahren zum beizen von rostfreiem stahl unter verwendung derselben - Google Patents
Ionische flüssigkeit zum beizen von rostfreiem stahl und verfahren zum beizen von rostfreiem stahl unter verwendung derselben Download PDFInfo
- 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
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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (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)
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 (de) | 2022-09-14 |
EP4056737A4 true EP4056737A4 (de) | 2023-01-11 |
Family
ID=75981320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20889474.1A Pending EP4056737A4 (de) | 2019-11-21 | 2020-10-16 | Ionische flüssigkeit zum beizen von rostfreiem stahl und verfahren zum beizen von rostfreiem stahl unter verwendung derselben |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230059039A1 (de) |
EP (1) | EP4056737A4 (de) |
KR (1) | KR102300834B1 (de) |
CN (1) | CN114829682A (de) |
WO (1) | WO2021101076A1 (de) |
Citations (3)
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)
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 |
ATE444381T1 (de) * | 2002-09-10 | 2009-10-15 | Nippon Mining Co | Verfahren zur metallabscheidung und vorbehandlungsmittel |
US9090966B2 (en) * | 2009-06-08 | 2015-07-28 | Basf Se | Use of ionic liquids for the pretreatment of surfaces of plastics 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 |
-
2019
- 2019-11-21 KR KR1020190150288A patent/KR102300834B1/ko active IP Right Grant
-
2020
- 2020-10-16 US US17/777,907 patent/US20230059039A1/en active Pending
- 2020-10-16 EP EP20889474.1A patent/EP4056737A4/de active Pending
- 2020-10-16 WO PCT/KR2020/014199 patent/WO2021101076A1/ko unknown
- 2020-10-16 CN CN202080086975.4A patent/CN114829682A/zh active Pending
Patent Citations (3)
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)
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 |
---|---|
KR20210062272A (ko) | 2021-05-31 |
EP4056737A1 (de) | 2022-09-14 |
KR102300834B1 (ko) | 2021-09-13 |
CN114829682A (zh) | 2022-07-29 |
WO2021101076A1 (ko) | 2021-05-27 |
US20230059039A1 (en) | 2023-02-23 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Effective date: 20220608 |
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RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20221212 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C23G 1/08 20060101ALI20221206BHEP Ipc: C23G 1/28 20060101ALI20221206BHEP Ipc: C25F 1/06 20060101ALI20221206BHEP Ipc: C23G 1/24 20060101ALI20221206BHEP Ipc: C23G 1/32 20060101ALI20221206BHEP Ipc: C25F 1/14 20060101AFI20221206BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |