DE1621060C3 - Waessriges bad zur galvanischen abscheidung von schwarzchromueberzuegen - Google Patents

Waessriges bad zur galvanischen abscheidung von schwarzchromueberzuegen

Info

Publication number
DE1621060C3
DE1621060C3 DE1967D0052742 DED0052742A DE1621060C3 DE 1621060 C3 DE1621060 C3 DE 1621060C3 DE 1967D0052742 DE1967D0052742 DE 1967D0052742 DE D0052742 A DED0052742 A DE D0052742A DE 1621060 C3 DE1621060 C3 DE 1621060C3
Authority
DE
Germany
Prior art keywords
bath
fluoride
coatings
black
ions
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
DE1967D0052742
Other languages
German (de)
English (en)
Other versions
DE1621060B2 (de
DE1621060A1 (de
Inventor
John Bailey Nelson Jr
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE1621060A1 publication Critical patent/DE1621060A1/de
Publication of DE1621060B2 publication Critical patent/DE1621060B2/de
Application granted granted Critical
Publication of DE1621060C3 publication Critical patent/DE1621060C3/de
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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/08—Deposition of black chromium, e.g. hexavalent chromium, CrVI

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Treating Waste Gases (AREA)
DE1967D0052742 1966-04-08 1967-04-07 Waessriges bad zur galvanischen abscheidung von schwarzchromueberzuegen Expired DE1621060C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US541075A US3419481A (en) 1966-04-08 1966-04-08 Electrolyte and process for electroplating black chromium and article thereby produced
US59536466A 1966-11-18 1966-11-18

Publications (3)

Publication Number Publication Date
DE1621060A1 DE1621060A1 (de) 1971-05-27
DE1621060B2 DE1621060B2 (de) 1976-04-15
DE1621060C3 true DE1621060C3 (de) 1978-01-19

Family

ID=27066598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1967D0052742 Expired DE1621060C3 (de) 1966-04-08 1967-04-07 Waessriges bad zur galvanischen abscheidung von schwarzchromueberzuegen

Country Status (13)

Country Link
US (2) US3419481A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT272787B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE696774A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH473903A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1621060C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK134572B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES338946A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1522610A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1175461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL27753A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL6704974A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO121926B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE337151B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005056A1 (en) * 1986-02-19 1987-08-27 Látszerészeti Eszközök Gyára Electrolytic bath for forming a glossy black chromium coating layer

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6800734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1967-01-18 1968-07-19
US3816142A (en) * 1972-05-08 1974-06-11 K Lindemann Electroless chromium plating process and composition
US3909404A (en) * 1973-02-26 1975-09-30 Oxy Metal Industries Corp Composition and process for electrodepositing a black chromium deposit
FR2529581A1 (fr) * 1982-06-30 1984-01-06 Armines Bain d'electrolyse a base de chrome trivalent
IN167895B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1988-01-05 1991-01-05 Council Scient Ind Res
EP3162919A1 (de) * 2015-10-29 2017-05-03 GmbH Franz Verfahren zur effizienten schwarzverchromung i
CN106399990B (zh) * 2016-08-16 2019-09-20 深圳市诚达科技股份有限公司 一种基于不锈钢表面的抗结焦纳米材料及其制备方法
CN109183083B (zh) * 2018-11-27 2020-05-12 东北大学 一种基于热力学耦合问题提高镀铬板表面能的方法
CN111206269B (zh) * 2019-12-19 2021-03-30 陕西斯瑞新材料股份有限公司 一种具有高热辐射系数的电镀黑铬的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881596C (de) * 1943-05-28 1953-07-02 Metallgesellschaft Ag Verfahren zur Verbesserung der Gleiteigenschaften metallischer Oberflaechen
CA624887A (en) * 1961-08-01 Allied Chemical Corporation Electrodeposition of black chromium coatings

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1953484A (en) * 1928-12-11 1934-04-03 Westinghouse Lamp Co Method of chromium plating
FR754360A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1929-10-16 1933-11-03
US2088615A (en) * 1932-06-29 1937-08-03 Schlotter Max Electrodeposition of chromium
US2354746A (en) * 1943-07-12 1944-08-01 Duzmal Stan Edward Attachment device
US2623847A (en) * 1947-09-10 1952-12-30 Lloyd O Gilbert Black chromium plating
US2507956A (en) * 1947-11-01 1950-05-16 Lithographic Technical Foundat Process of coating aluminum
US2777785A (en) * 1953-07-30 1957-01-15 Heintz Mfg Co Composition for and method of treating metals as well as the treated product
US2946728A (en) * 1955-06-23 1960-07-26 Cleveland Pneumatic Ind Inc Adherent electroplating on titanium
US2841541A (en) * 1955-10-28 1958-07-01 Diamond Alkali Co Chemical composition for chromium plating
US2841540A (en) * 1955-10-28 1958-07-01 Diamond Alkali Co Chemical composition for chromium plating
SU135319A1 (ru) * 1960-05-21 1961-01-05 И.И. Левитан Комбинированное черное хромирование
JPS3922105B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1962-12-20 1964-10-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA624887A (en) * 1961-08-01 Allied Chemical Corporation Electrodeposition of black chromium coatings
DE881596C (de) * 1943-05-28 1953-07-02 Metallgesellschaft Ag Verfahren zur Verbesserung der Gleiteigenschaften metallischer Oberflaechen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987005056A1 (en) * 1986-02-19 1987-08-27 Látszerészeti Eszközök Gyára Electrolytic bath for forming a glossy black chromium coating layer
GB2196988A (en) * 1986-02-19 1988-05-11 Licencia Talalmanyokat Electrolytic bath for forming a glossy black chromium coating layer
GB2196988B (en) * 1986-02-19 1990-05-02 Licencia Talalmanyokat Electrolytic bath for forming a glossy black chromium coating

Also Published As

Publication number Publication date
SE337151B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-07-26
ES338946A1 (es) 1968-09-01
US3511759A (en) 1970-05-12
NL7403683A (en) 1974-06-25
NO121926B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-04-26
DK134572B (da) 1976-11-29
DK134572C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-05-02
CH473903A (fr) 1969-06-15
BE696774A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-10-09
NL6704974A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-10-09
IL27753A (en) 1970-10-30
GB1175461A (en) 1969-12-23
DE1621060B2 (de) 1976-04-15
US3419481A (en) 1968-12-31
FR1522610A (fr) 1968-04-26
AT272787B (de) 1969-07-25
DE1621060A1 (de) 1971-05-27
NL157950B (nl) 1978-09-15

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)