GB785694A - Improvements in or relating to process and bath for the chemical plating of a catalytic material with nickel - Google Patents

Improvements in or relating to process and bath for the chemical plating of a catalytic material with nickel

Info

Publication number
GB785694A
GB785694A GB31365/53A GB3136553A GB785694A GB 785694 A GB785694 A GB 785694A GB 31365/53 A GB31365/53 A GB 31365/53A GB 3136553 A GB3136553 A GB 3136553A GB 785694 A GB785694 A GB 785694A
Authority
GB
United Kingdom
Prior art keywords
bath
thio
nickel
compound
relating
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
GB31365/53A
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.)
General American Transportation Corp
Original Assignee
General American Transportation 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 General American Transportation Corp filed Critical General American Transportation Corp
Publication of GB785694A publication Critical patent/GB785694A/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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
    • C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites

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)
  • Catalysts (AREA)

Abstract

An aqueous nickel plating bath comprises nickel ions, hypophosphite ions and an amount of a thio compound stabilizing additive such as not substantially to reduce the plating rate of the bath and such as to inhibit random decomposition of the bath, the thio-compound being non-catalytic towards the oxidation of the hypophosphite and being stable and substantially insoluble in the bath. The thio-compound may be a sulphide of Pb, Cu, Bi, Sn, Se, Te, thiocyanate, thiophosphate, xanthate, aerofloet, thio-acid, thioamine such as thiocarbanilide or thiourea, organic sulphide, mercaptan or thioalcohol, diphenyl thiocarbazide, mercaptobenzothiazole or a thiocarbamate. Nickel coatings may be formed on Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, Cu, Ag, Au, Be, Ge, Al, C, V, Mo, W, Cr, Se, Ti, U. Specifications 761,062 and 785,693 are referred to.
GB31365/53A 1953-06-03 1953-11-12 Improvements in or relating to process and bath for the chemical plating of a catalytic material with nickel Expired GB785694A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US785694XA 1953-06-03 1953-06-03

Publications (1)

Publication Number Publication Date
GB785694A true GB785694A (en) 1957-11-06

Family

ID=22144889

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31365/53A Expired GB785694A (en) 1953-06-03 1953-11-12 Improvements in or relating to process and bath for the chemical plating of a catalytic material with nickel

Country Status (1)

Country Link
GB (1) GB785694A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224133A (en) * 1977-12-07 1980-09-23 Showa Denko K.K. Cathode
US4983428A (en) * 1988-06-09 1991-01-08 United Technologies Corporation Ethylenethiourea wear resistant electroless nickel-boron coating compositions
US5017410A (en) * 1988-05-23 1991-05-21 United Technologies Corporation Wear resistant electroless nickel-boron coating compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4224133A (en) * 1977-12-07 1980-09-23 Showa Denko K.K. Cathode
US5017410A (en) * 1988-05-23 1991-05-21 United Technologies Corporation Wear resistant electroless nickel-boron coating compositions
US4983428A (en) * 1988-06-09 1991-01-08 United Technologies Corporation Ethylenethiourea wear resistant electroless nickel-boron coating compositions

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