GB1437709A - Method of neutralizing surface colour caused by anodizing aluminium alloys - Google Patents

Method of neutralizing surface colour caused by anodizing aluminium alloys

Info

Publication number
GB1437709A
GB1437709A GB1116775A GB1116775A GB1437709A GB 1437709 A GB1437709 A GB 1437709A GB 1116775 A GB1116775 A GB 1116775A GB 1116775 A GB1116775 A GB 1116775A GB 1437709 A GB1437709 A GB 1437709A
Authority
GB
United Kingdom
Prior art keywords
colour
alloy
dye
aluminium alloys
surface colour
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
GB1116775A
Other languages
English (en)
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.)
Stauffer Chemical Co
Original Assignee
Stauffer Chemical 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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of GB1437709A publication Critical patent/GB1437709A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/246—Chemical after-treatment for sealing layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/067—Metallic effect
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/24—Chemical after-treatment
    • C25D11/243—Chemical after-treatment using organic dyestuffs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/20—Metallic substrate based on light metals
    • B05D2202/25—Metallic substrate based on light metals based on Al
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102—Pretreatment of metallic substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electrochemical Coating By Surface Reaction (AREA)
GB1116775A 1974-05-28 1975-03-18 Method of neutralizing surface colour caused by anodizing aluminium alloys Expired GB1437709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47411374 US3874902A (en) 1974-05-28 1974-05-28 Method of neutralizing surface color caused by anodizing aluminum alloys

Publications (1)

Publication Number Publication Date
GB1437709A true GB1437709A (en) 1976-06-03

Family

ID=23882228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1116775A Expired GB1437709A (en) 1974-05-28 1975-03-18 Method of neutralizing surface colour caused by anodizing aluminium alloys

Country Status (9)

Country Link
US (1) US3874902A (no)
JP (1) JPS5530079B2 (no)
BR (1) BR7501330A (no)
CA (1) CA1050211A (no)
DE (1) DE2510246A1 (no)
FR (1) FR2273088B1 (no)
GB (1) GB1437709A (no)
IT (1) IT1032374B (no)
SE (1) SE7505484L (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3500079A1 (de) * 1985-01-03 1986-07-10 Henkel KGaA, 4000 Düsseldorf Mittel und verfahren zur erzeugung farbloser verdichtungsschichten auf anodisierten aluminiumoberflaechen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2030236A (en) * 1933-02-16 1936-02-11 Chem Ind Basel Colored oxide film of aluminum
US2683113A (en) * 1951-01-16 1954-07-06 Gen Motors Corp Method of finishing ice trays
US2814576A (en) * 1952-01-30 1957-11-26 Ciba Ltd Process for producing fast dyeings on anodically oxidized aluminium
US2969351A (en) * 1957-03-11 1961-01-24 Durand & Huguenin Ag New metalliferous ortho:ortho'-dihydroxy-monoazo-dyestuffs
US3767474A (en) * 1971-09-22 1973-10-23 Cohn S Sealing methods and compositions for aluminum oxide coatings

Also Published As

Publication number Publication date
FR2273088B1 (no) 1980-04-04
CA1050211A (en) 1979-03-13
JPS50153738A (no) 1975-12-11
BR7501330A (pt) 1976-11-30
DE2510246A1 (de) 1975-12-18
JPS5530079B2 (no) 1980-08-08
US3874902A (en) 1975-04-01
IT1032374B (it) 1979-05-30
FR2273088A1 (no) 1975-12-26
SE7505484L (sv) 1975-12-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee