GB1092867A - Metal cleaning - Google Patents

Metal cleaning

Info

Publication number
GB1092867A
GB1092867A GB47240/64A GB4724064A GB1092867A GB 1092867 A GB1092867 A GB 1092867A GB 47240/64 A GB47240/64 A GB 47240/64A GB 4724064 A GB4724064 A GB 4724064A GB 1092867 A GB1092867 A GB 1092867A
Authority
GB
United Kingdom
Prior art keywords
hlb value
articles
toluidene
container
acids
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
GB47240/64A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1092867A publication Critical patent/GB1092867A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40Specific cleaning or washing processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)

Abstract

Prior to coating metal articles, particularly in a mechanical plating process, batches of the metal articles e.g. steel are cleaned in a container, such as a rotary barrel, in an aqueous descaling and degreasing solution comprising a strong acid, hydrogen embrittlement inhibitor and a surfactant composition having the combined properties of metal wetting, oxide detergency, oil emulsification and dirt dispersion, the container is agitated and the articles are then rinsed. Impact media such as glass beads may be added to the barrel to aid mechanical cleaning. Suitable acids are; sulphuric, phosphoric, tartaric, citric, diglycolic, chlorosulfonic, formic, acetic and mono-, di- or tri-chloroacetic acids. When strong inorganic acids are used carbon smutting is prevented by the addition of salts such as sulphates of Sn, Pb, Cd and Hg. The surfactant composition is a mixture of surfactants each of which has a hydrophobic polyoxypropylene nucleus and hydrophilic polyoxyethylene units graft polymerized thereon, one surfactant being a wetting agent with an HLB value of 1-5, one being a detergent with an HLB value of 12-17 one being an emulsifier with an HLB value of 12-17 and one being a dispersant with an HLB value greater than 17. The hydrogen embrittlement inhibitors may be polyoxyethylene glycol, o-toluidene, an adduct of o-toluidene and formaldehyde, ethylene oxide modified rosin amine, 1-hexyn-3-ol, substituted thioureas and amines or proteins.
GB47240/64A 1964-01-23 1964-11-19 Metal cleaning Expired GB1092867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US339606A US3330769A (en) 1964-01-23 1964-01-23 Metal cleaning

Publications (1)

Publication Number Publication Date
GB1092867A true GB1092867A (en) 1967-11-29

Family

ID=23329806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47240/64A Expired GB1092867A (en) 1964-01-23 1964-11-19 Metal cleaning

Country Status (9)

Country Link
US (1) US3330769A (en)
JP (1) JPS4930615B1 (en)
BE (1) BE658442A (en)
CH (1) CH485871A (en)
DE (1) DE1546161B2 (en)
FR (1) FR1420885A (en)
GB (1) GB1092867A (en)
NL (1) NL149235B (en)
SE (1) SE319664B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3494795A (en) * 1967-08-07 1970-02-10 Fremont Ind Inc Spray cleaning method for removing oil,grease,dirt and embedded oxides from painted surfaces
US3909437A (en) * 1973-01-18 1975-09-30 Dow Chemical Co Noncorrosive acid, solvent and nonionic surfactant composition
US3979219A (en) * 1975-03-06 1976-09-07 Fremont Industries, Inc. Wood finish remover
US4100096A (en) * 1976-06-04 1978-07-11 Addressograph Multigraph Corp. Cleaner for hydrophilic metal surfaces of lithographic duplicators
BE871631A (en) * 1978-10-27 1979-04-27 Centre Rech Metallurgique PROCESS FOR CONTINUOUS PICKLING OF STEEL SHEETS.
US4541945A (en) * 1982-09-30 1985-09-17 Amchem Products Inhibitor-containing acid cleaning compositions and processes
US4608086A (en) * 1983-01-19 1986-08-26 Tennant Company Membrane remover/etchant
JPS60224818A (en) * 1984-04-20 1985-11-09 Itochu Shoji Kk Detection of colored things in raw cotton and device therefor
JPH0525713A (en) * 1991-05-17 1993-02-02 Murata Mach Ltd Foreign matter detector of opening and scutching process
US5658869A (en) * 1995-10-16 1997-08-19 Singer; Barrie Metal finishing composition
JP3673357B2 (en) * 1997-01-27 2005-07-20 メルテックス株式会社 Pretreatment cleaner for plating
CN101932315B (en) * 2007-12-07 2014-08-06 普莱斯博有限两合公司 Method for applying polymer coating to inner surface of container
US8227027B2 (en) 2007-12-07 2012-07-24 Presspart Gmbh & Co. Kg Method for applying a polymer coating to an internal surface of a container
CN104289468A (en) * 2007-12-07 2015-01-21 普莱斯博有限两合公司 Method for applying polymer coating to inner surface of container
US20190189312A1 (en) * 2017-12-19 2019-06-20 National Cheng Kung University Pretreatment of Thick-Film Aluminum Electrode for Metal Plating

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2261700A (en) * 1939-04-03 1941-11-04 Nat Aluminate Corp Cleaning composition
US2326837A (en) * 1940-01-13 1943-08-17 Nat Carbon Co Inc Cleaning composition and method for its use
US2399267A (en) * 1940-07-27 1946-04-30 Solventol Chemical Products In Cleaning method
US2571581A (en) * 1948-09-09 1951-10-16 Detrex Corp Degreasing machine
US2683343A (en) * 1952-11-15 1954-07-13 Gen Motors Corp Tumbling process
US3041285A (en) * 1955-05-27 1962-06-26 Purex Corp Ltd Composition for cleaning and polishing aluminum and aluminum alloys
US2942956A (en) * 1958-10-13 1960-06-28 Wyandotte Chemicals Corp Aluminum brightener compositions
US3162547A (en) * 1961-07-31 1964-12-22 Rohr Corp Secondary deoxidizer for aluminum and its alloys

Also Published As

Publication number Publication date
FR1420885A (en) 1965-12-10
CH485871A (en) 1970-02-15
NL6500857A (en) 1965-07-26
NL149235B (en) 1976-04-15
DE1546161B2 (en) 1972-03-02
BE658442A (en) 1965-05-17
JPS4930615B1 (en) 1974-08-14
SE319664B (en) 1970-01-19
DE1546161A1 (en) 1969-07-17
US3330769A (en) 1967-07-11

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