GB956927A - Anti-tarnish composition for copper-containing surfaces - Google Patents

Anti-tarnish composition for copper-containing surfaces

Info

Publication number
GB956927A
GB956927A GB36944/62A GB3694462A GB956927A GB 956927 A GB956927 A GB 956927A GB 36944/62 A GB36944/62 A GB 36944/62A GB 3694462 A GB3694462 A GB 3694462A GB 956927 A GB956927 A GB 956927A
Authority
GB
United Kingdom
Prior art keywords
mercaptan
copper
thiol
acid
tarnish
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
GB36944/62A
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 GB956927A publication Critical patent/GB956927A/en
Expired 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/10—Other heavy metals
    • C23G1/103—Other heavy metals copper or alloys of copper
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0043—For use with aerosol devices
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/16—Sulfur-containing compounds
    • C23F11/161—Mercaptans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

A composition for treatment of a copper or copper-containing surface comprises a mercaptan of formula CnH2n+1SH, wherein n is from 12 to 25, and a non-abrasive copper-tarnish remover. n is preferably from 16 to 21. The mercaptan provides a thin, colourless, non-oily protective layer on clean surfaces bonding to the copper through the thiol grouping and the bond resists washing with dilute alkaline or acid solutions and with detergents. The preferred non-abrasive copper-tarnish removers are acidic cleaners with a pH preferably below 2.5; and comprise a weak organic acid, e.g. citric acid, sulfamic acid and an alkali metal halide, e.g. NaCl,KCd. HCl is also a suitable cleaner. Suitable acids have a pH between 1-5, are water-soluble, non-oxidizing and stable. The aliphatic mercaptan should have from 12-25 carbon atoms illustrated by n-hexadecane-1-thiol, n-dodecane-1-thiol, n-octadecane-1-thiol and n-hemicosane-1-thiol. Controlled additions of mild abrasives may be incorporated in the composition, up to 20% by weight of the formulation, as when removing heavy sulphide tarnish. Suitable abrasives are finely divided and modified silicas, clays, diatomaceous earths and precipitated chalks. In addition non-ionic surfactants, viscosity improvers and thickeners may also be present. The thickeners are chosen from colloidal alumina, natural gums, e.g. guar gum, carboxy methyl cellulose, sodium alginate, hectorite &c. and the choice depends on the pH. The mercaptan concentration should be from 0.5-25.0% by weight, preferably 0.5-10.0%, and in aqueous liquid compositions the prepared formulations contain 1-15% mercaptan, 0.01-25% weak organic acids, 0.01-25% alkali metal halide, 0.05-1.0% surfactant, 0-20% abrasive, sufficient water to emulsify mercaptan and sufficient acid-stable thickeners to provide the desired viscosity.
GB36944/62A 1961-09-28 1962-09-28 Anti-tarnish composition for copper-containing surfaces Expired GB956927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US141292A US3248235A (en) 1961-09-28 1961-09-28 Anti-tarnish composition for coppercontaining surfaces

Publications (1)

Publication Number Publication Date
GB956927A true GB956927A (en) 1964-04-29

Family

ID=22495046

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36944/62A Expired GB956927A (en) 1961-09-28 1962-09-28 Anti-tarnish composition for copper-containing surfaces

Country Status (8)

Country Link
US (1) US3248235A (en)
BE (1) BE622957A (en)
CH (1) CH418088A (en)
DK (1) DK113660B (en)
ES (1) ES280824A1 (en)
GB (1) GB956927A (en)
NL (1) NL283747A (en)
SE (1) SE310529B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100096A (en) 1976-06-04 1978-07-11 Addressograph Multigraph Corp. Cleaner for hydrophilic metal surfaces of lithographic duplicators
EP0123334A1 (en) * 1983-03-28 1984-10-31 Koninklijke Philips Electronics N.V. Matrix and method of manufacturing articles of a synthetic resin by using the matrix
GB2412666A (en) * 2004-03-30 2005-10-05 Cole Paul Gilbert Water-based metal treatment composition
WO2012100146A1 (en) * 2011-01-21 2012-07-26 Ppg Industries Ohio, Inc. Methods of removing rust from a ferrous metal-containing surface
US8852357B2 (en) 2011-09-30 2014-10-07 Ppg Industries Ohio, Inc Rheology modified pretreatment compositions and associated methods of use

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345295A (en) * 1963-02-13 1967-10-03 Shulton Inc Copper cleaning compositions
GB1070383A (en) * 1963-06-25 1967-06-01 Goddard & Sons Ltd J Improvements in or relating to metal protecting preparations
GB1070384A (en) * 1964-08-19 1967-06-01 Goddard & Sons Ltd J Improvements in or relating to metal protecting preparations
US3346405A (en) * 1964-12-14 1967-10-10 Gen Electric Metal protectant
US3385682A (en) * 1965-04-29 1968-05-28 Sprague Electric Co Method and reagent for surface polishing
US3410703A (en) * 1965-05-18 1968-11-12 Hunt Chem Corp Philip A Silver and copper tarnish preventatives
US3442810A (en) * 1966-02-25 1969-05-06 Garman Co Inc Chemical polishing composition and method
US3452503A (en) * 1966-05-10 1969-07-01 North American Rockwell Process and product for confining hydrogen gas
US3458300A (en) * 1966-07-05 1969-07-29 Wyandotte Chemicals Corp Abrasive cleaning compositions
US3491491A (en) * 1968-01-15 1970-01-27 Us Industries Inc Aluminous slurries containing ferric ammonium citrate
US3652301A (en) * 1969-10-14 1972-03-28 Almeda J Damron Polish composition
US3637508A (en) * 1970-03-06 1972-01-25 William B Willsey Process and composition for dissolving copper oxide
US3944491A (en) * 1975-01-20 1976-03-16 Phillips Petroleum Company Lubricants
US4305779A (en) * 1980-05-28 1981-12-15 The United States Of America As Represented By The United States Department Of Energy Method of polishing nickel-base alloys and stainless steels
US4640713A (en) * 1984-11-19 1987-02-03 S. C. Johnson & Son, Inc. Tarnish remover/metal polish formulation comprising a metal iodide, an acid, and water
US4755223A (en) * 1986-08-22 1988-07-05 Antonio Castaldo Liquid composition for cleaning and polishing cymbals comprising kaolin clay
US4853000A (en) * 1987-11-25 1989-08-01 Potter John L Process and composition for a metal polish
GB0520930D0 (en) * 2005-10-14 2005-11-23 Reckitt Benckiser Uk Ltd Composition and method of use
KR101311681B1 (en) * 2008-04-30 2013-09-25 히타치가세이가부시끼가이샤 Connecting material and semiconductor device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371143A (en) * 1945-03-13 Corrosion protection of metals
US2841501A (en) * 1957-04-17 1958-07-01 James G Murphy Silver polish

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100096A (en) 1976-06-04 1978-07-11 Addressograph Multigraph Corp. Cleaner for hydrophilic metal surfaces of lithographic duplicators
EP0123334A1 (en) * 1983-03-28 1984-10-31 Koninklijke Philips Electronics N.V. Matrix and method of manufacturing articles of a synthetic resin by using the matrix
GB2412666A (en) * 2004-03-30 2005-10-05 Cole Paul Gilbert Water-based metal treatment composition
GB2412666B (en) * 2004-03-30 2008-10-08 Paul Gilbert Cole Water-based metal treatment composition
WO2012100146A1 (en) * 2011-01-21 2012-07-26 Ppg Industries Ohio, Inc. Methods of removing rust from a ferrous metal-containing surface
US8852357B2 (en) 2011-09-30 2014-10-07 Ppg Industries Ohio, Inc Rheology modified pretreatment compositions and associated methods of use
US9051475B2 (en) 2011-09-30 2015-06-09 Ppg Industries Ohio, Inc. Rheology modified pretreatment compositions and associated methods of use

Also Published As

Publication number Publication date
DK113660B (en) 1969-04-14
CH418088A (en) 1966-07-31
BE622957A (en)
US3248235A (en) 1966-04-26
ES280824A1 (en) 1963-03-01
NL283747A (en)
SE310529B (en) 1969-05-05

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