GB1094198A - Improvements in or relating to electrodeposition of metal - Google Patents

Improvements in or relating to electrodeposition of metal

Info

Publication number
GB1094198A
GB1094198A GB35530/64A GB3553064A GB1094198A GB 1094198 A GB1094198 A GB 1094198A GB 35530/64 A GB35530/64 A GB 35530/64A GB 3553064 A GB3553064 A GB 3553064A GB 1094198 A GB1094198 A GB 1094198A
Authority
GB
United Kingdom
Prior art keywords
particles
plastic
reaction
glycol
metal
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
GB35530/64A
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.)
Chromium Corp of America
Original Assignee
Chromium Corp of America
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 Chromium Corp of America filed Critical Chromium Corp of America
Publication of GB1094198A publication Critical patent/GB1094198A/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
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

The process of electro-depositing a smooth level coating of metal, e.g. chromium on to a base metal containing surface depressions comprises filling in the surface depressions with a viscous electrically conductive plastic containing a conductive powder mixture consisting of 10-90% flaky particles and 90-10% fibrous particles, the particles comprising Fe, N, Co or Fe3O4 or Cu2O, hardening said plastic, removing excess plastic thereby forming a level surface and electro-depositing a smooth level metal coating on said surface. The plastic may comprise a polyester resin, for instance prepared by the reaction of glycerine and fumaric acid, the reaction product being cross-linked by further reaction with styrene. A polymerization catalyst such as a solution of methyl ethyl ketone peroxide in dimethyl phthalate may be used. Before treatment the base metal may be vapour degreased with trichloroethylene, cleaned by blasting with grit, and heated to about 95 DEG C. for 4 hours to liberate any gases occluded therein.ALSO:An electrically conductive composition comprises a resin vehicle and a conductive powder consisting of 10-90% flaky particles and 90-10% fibrous particles, said particles consisting of iron, iron alloy, cobalt, nickel, magnetite or cuprous oxide. The resin vehicle may be a saturated or unsaturated polyester resin. Saturated polyester resins used may be formed by reaction of phthalic anhydride, isophthalic acid, hexahydrophthalic anhydride or tetrachlorophthalic anhydride with ethylene glycol, propylene glycol, butylene glycol, diethylene glycol or dipropylene glycol. Unsaturated polyesters used may be formed using fumaric or citrionic acids, e.g. with glycerine, or maleic acid. The resins may be set by heating, by use of an oxidizing agent, e.g. methyl ethyl ketone peroxide, or by cross linking with a vinyl monomer, e.g. styrene diallyl phthalate, vinyl toluene, triallyl cyanurate, methyl vinyl ketone, acrylonitrile or an acrylic ester such as methyl methacrylate.
GB35530/64A 1963-09-03 1964-08-31 Improvements in or relating to electrodeposition of metal Expired GB1094198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US306359A US3406105A (en) 1963-09-03 1963-09-03 Method of treating surfaces

Publications (1)

Publication Number Publication Date
GB1094198A true GB1094198A (en) 1967-12-06

Family

ID=23184943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35530/64A Expired GB1094198A (en) 1963-09-03 1964-08-31 Improvements in or relating to electrodeposition of metal

Country Status (3)

Country Link
US (1) US3406105A (en)
DE (1) DE1250232B (en)
GB (1) GB1094198A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131814A (en) * 1982-10-05 1984-06-27 Shinetsu Polymer Co Anisotropically electroconductive film adhesive

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533921A (en) * 1968-03-08 1970-10-13 Frost Co Method of finishing the surface of metal articles
DE2308747C3 (en) * 1973-02-22 1982-02-18 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Process for the manufacture of a stabilized superconductor
US4337127A (en) * 1980-03-07 1982-06-29 E. I. Du Pont De Nemours And Company Method for making a cathode, and method for lowering hydrogen overvoltage in a chlor-alkali cell
US4298447A (en) * 1980-03-07 1981-11-03 E. I. Du Pont De Nemours And Company Cathode and cell for lowering hydrogen overvoltage in a chlor-akali cell
US4690960A (en) * 1981-01-14 1987-09-01 Nippon Electric Co., Ltd. Vibration damping material
US4493912A (en) * 1983-08-15 1985-01-15 General Electric Company Electromagnetic wave attenuating composition
US5427676A (en) * 1993-08-10 1995-06-27 General Motors Corporation Method of making a cast-to-size mold for molding finished plastic parts
US6008462A (en) * 1997-10-01 1999-12-28 Morton International, Inc. Mar resistant, corrosion inhibiting, weldable coating containing iron powder for metal substrates
EP3000918B1 (en) * 2014-09-24 2018-10-24 topocrom systems AG Method and device for the galvanic application of a surface coating
CN108350594B (en) * 2015-11-05 2020-09-11 托普克莱姆系统公司 Method and device for electrochemically applying a surface coating

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1714564A (en) * 1927-08-01 1929-05-28 Koehler William Antifriction and antiabrasive metal
GB566776A (en) * 1943-06-09 1945-01-12 Maurice Stuart Lane Improvements in or relating to electroplating
FR1021039A (en) * 1950-06-27 1953-02-13 Onera (Off Nat Aerospatiale) Improvements in processes for the electrolytic deposition of a metal, in particular chromium, on metal parts
US2718506A (en) * 1950-08-22 1955-09-20 Ici Ltd Electrically conducting coating compositions containing a nonoxidized magnetic metal powder
US2901455A (en) * 1954-08-09 1959-08-25 Union Carbide Corp Molding composition comprising synthetic resin and metallic filaments, articles molded therefrom and method of making same
US2850441A (en) * 1954-12-28 1958-09-02 Gen Motors Corp Chemical displacement process of plating cadmium on aluminum
US3080328A (en) * 1961-05-22 1963-03-05 Owens Illinois Glass Co Conducting solder glass compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2131814A (en) * 1982-10-05 1984-06-27 Shinetsu Polymer Co Anisotropically electroconductive film adhesive

Also Published As

Publication number Publication date
DE1250232B (en) 1967-09-14
US3406105A (en) 1968-10-15

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