GB1309577A - Method for forming a chemical coating on aluminium or aluminium alloy - Google Patents

Method for forming a chemical coating on aluminium or aluminium alloy

Info

Publication number
GB1309577A
GB1309577A GB4830670A GB4830670A GB1309577A GB 1309577 A GB1309577 A GB 1309577A GB 4830670 A GB4830670 A GB 4830670A GB 4830670 A GB4830670 A GB 4830670A GB 1309577 A GB1309577 A GB 1309577A
Authority
GB
United Kingdom
Prior art keywords
aluminium
forming
chemical coating
oct
aluminium alloy
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
GB4830670A
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.)
Showa Aluminum Can Corp
Original Assignee
Showa Aluminum Corp
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 Showa Aluminum Corp filed Critical Showa Aluminum Corp
Publication of GB1309577A publication Critical patent/GB1309577A/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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/66—Treatment of aluminium or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Detergent Compositions (AREA)

Abstract

1309577 Coating aluminium SHOWA ALUMINIUM KK 12 Oct 1970 [13 Oct 1969] 48306/70 Heading B2E [Also in Division C7] Aluminium or aluminium alloy is provided with a uniform, corrosion resistant coating by immersion for 5-60 minutes in a boiling aqueous solution containing 0.5-30 c.c./1 of monoethylamine and/or diethylamine, and the coated metal is treated with pressurised steam. The water may be heated to boiling before or after the addition of the amine. The surface of the metal may be degreased e.g. with a hot solution of caustic soda before being immersed in the amine solution.
GB4830670A 1969-10-13 1970-10-12 Method for forming a chemical coating on aluminium or aluminium alloy Expired GB1309577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44082122A JPS4810699B1 (en) 1969-10-13 1969-10-13

Publications (1)

Publication Number Publication Date
GB1309577A true GB1309577A (en) 1973-03-14

Family

ID=13765593

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4830670A Expired GB1309577A (en) 1969-10-13 1970-10-12 Method for forming a chemical coating on aluminium or aluminium alloy

Country Status (5)

Country Link
US (1) US3728164A (en)
JP (1) JPS4810699B1 (en)
DE (1) DE2049796A1 (en)
FR (1) FR2065314A5 (en)
GB (1) GB1309577A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250031A (en) * 1990-11-23 1992-05-27 Nippon Denso Co Aluminum surface having chemical conversion coating formed by reaction of nitrate/sulphate and organic compound

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5014447A (en) * 1973-06-11 1975-02-15
US4462842A (en) * 1979-08-13 1984-07-31 Showa Aluminum Corporation Surface treatment process for imparting hydrophilic properties to aluminum articles
JPS56134411A (en) * 1980-03-24 1981-10-21 Fujikura Ltd Aluminum transmission line
JP3212479B2 (en) * 1995-03-31 2001-09-25 株式会社神戸製鋼所 Plate fin heat exchanger and method of manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250031A (en) * 1990-11-23 1992-05-27 Nippon Denso Co Aluminum surface having chemical conversion coating formed by reaction of nitrate/sulphate and organic compound
GB2250031B (en) * 1990-11-23 1994-10-05 Nippon Denso Co Aluminium surface having chemical conversion coating and method of forming the coating
US5500288A (en) * 1990-11-23 1996-03-19 Nippondenso Co., Ltd. Aluminum surface having chemical conversion coating and method of forming the coating

Also Published As

Publication number Publication date
DE2049796A1 (en) 1971-05-06
US3728164A (en) 1973-04-17
JPS4810699B1 (en) 1973-04-06
FR2065314A5 (en) 1971-07-23

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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