US905837A - Electrolyte. - Google Patents

Electrolyte. Download PDF

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Publication number
US905837A
US905837A US33126306A US1906331263A US905837A US 905837 A US905837 A US 905837A US 33126306 A US33126306 A US 33126306A US 1906331263 A US1906331263 A US 1906331263A US 905837 A US905837 A US 905837A
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United States
Prior art keywords
electrolyte
metal
zinc
salt
naphthalene
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Expired - Lifetime
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US33126306A
Inventor
Edward C Broadwell
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.)
J W MEAKER JR
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J W MEAKER JR
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Priority to US33126306A priority Critical patent/US905837A/en
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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
    • C25D3/22—Electroplating: Baths therefor from solutions of zinc

Definitions

  • the electrolyte used consists mainly of a readily soluble sulfonate, preferably the naphthalene disulfonate is used, in conjunction with an inorganic salt or salts.
  • the metal or metals are deposited by the ordinarily used electrolytic practice of transfer from soluble anode or anodes.
  • An electrolyte comprising a salt of the metal to be deposited, and the salt of a metal to alloy therewith and the carbocyclic sulfonic acid salt of the metal to be deposited.
  • An electrolyte for metal deposition containing a carbocyclic sulfonic acid salt of said metal.

Description

UNITED STATES PATENT OFFICE.
EDWARD C. BROADWELL, OF CHICAGO, IIJLINOIS, ASSIGNOR TO J. W. MEAKER, JR, OF CHICAGO, ILLINOIS.
ELECTROLYTE.
Specification of Letters Patent.
Patented Dec. 8, 1908.
Application filed August 20, 1906. Serial No. 331,263.
To all whom it may concern:
Be it known that I, EDWARD C. BROAD-'- wELL, a citizen of the United States, and a resident of Chicago, Cook county, Illinois, have invented certain new and useful Improvements in Electrolytes Utilizable for the trolyte utilizable for coating metals with an ornamental or protecting coating.- I
In carrying out my invention the electrolyte used consists mainly of a readily soluble sulfonate, preferably the naphthalene disulfonate is used, in conjunction with an inorganic salt or salts. The metal or metals are deposited by the ordinarily used electrolytic practice of transfer from soluble anode or anodes.
In the electro-deposition of zinc and alloys thereof containing just sufficient aluminum or cadmium or like metals having a brighten- Eng influence upon zinc, I utilize in. reference a solution of zinc sulfate of su density in conjunction with zinc naphthalene di-sulfonate. The proportions may vary through a wide range dependent on the current, and the purpose for which the deposit is desired.
The organic salts used are produced in a manner indicated by the followmg equations:
( 1 ,13, H so, o;,H,so,H 11,0
tonic acid cient Naphthalene di sulionic acid Naphtha one di zinc sulfonate gen Of course I can utilize in the same manner other of the carbocyclic sulfonic acid salts either with or without the salt of an inorganic nature.
I do not limit myself to zinccoatings but have in view all metals for ornamental or protective coatings and consider, a part from any theory of electrolysis, I have, (in the utilization of cheaply producible sulfonic acid) the needed complexity heretofore furnished by such organic acids as oxalic citric,
and tartaric as Well as a process capable of as good or better results than previously obtainable.
I claim as my invention:
. 1. An electrolyte com rising an inorganic salt of the metal to be eposited and a carbocyclio sulfonic acid salt of said metal.
2. An electrolyte comprising a salt of the metal to be deposited, and the salt of a metal to alloy therewith and the carbocyclic sulfonic acid salt of the metal to be deposited.
3. An electrolyte for metal deposition containing a carbocyclic sulfonic acid salt of said metal.
4. In conjunction with the inorganic salts of the metal to be deposited, dissolved in an electrolyte, the naphthalene di-sulfonate of the same metal.
5. An electrolyte embracing zinc sulfate and zinc naphthalene di-sulfonate.
6. An electrolyte embracin zinc sulfate and zinc naphthalene di-s onate and a small percentage of aluminum sulfate.
In testimony whereof I' have hereunto subscribed my name in the presence of two subscribing witnesses.
EDWARD of BROADWELL.
, Witnesses:
C. H. HILLs, WM. C. SMITH.
US33126306A 1906-08-20 1906-08-20 Electrolyte. Expired - Lifetime US905837A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525942A (en) * 1945-06-29 1950-10-17 Standard Oil Co Electrodepositing bath and process
US2543545A (en) * 1948-04-02 1951-02-27 Meaker Company Electrodeposition bath for bright zinc
US2576999A (en) * 1948-06-19 1951-12-04 Acme Steel Co Method of electroplating zinc
US3386898A (en) * 1967-07-17 1968-06-04 Du Pont Alkaline, cyanide zinc electroplating bath process, and additive therefor
US3537959A (en) * 1966-05-26 1970-11-03 Max Schloetter Fuer Galvanotec Electroplating baths and process for producing bright zinc deposits
WO1984002538A1 (en) * 1982-12-22 1984-07-05 Learonal Inc Electrodeposition of palladium-silver alloys
US4465563A (en) * 1982-12-22 1984-08-14 Learonal, Inc. Electrodeposition of palladium-silver alloys
US5066367A (en) * 1981-09-11 1991-11-19 Learonal Inc. Limiting tin sludge formation in tin or tin/lead electroplating solutions
US5094726A (en) * 1981-09-11 1992-03-10 Learonal, Inc. Limiting tin sludge formation in tin or tin-lead electroplating solutions
US5174887A (en) * 1987-12-10 1992-12-29 Learonal, Inc. High speed electroplating of tinplate
EP0786539A2 (en) 1996-01-26 1997-07-30 Elf Atochem North America, Inc. High current density zinc organosulfonate electrogalvanizing process and composition

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2525942A (en) * 1945-06-29 1950-10-17 Standard Oil Co Electrodepositing bath and process
US2543545A (en) * 1948-04-02 1951-02-27 Meaker Company Electrodeposition bath for bright zinc
US2576999A (en) * 1948-06-19 1951-12-04 Acme Steel Co Method of electroplating zinc
US3537959A (en) * 1966-05-26 1970-11-03 Max Schloetter Fuer Galvanotec Electroplating baths and process for producing bright zinc deposits
US3386898A (en) * 1967-07-17 1968-06-04 Du Pont Alkaline, cyanide zinc electroplating bath process, and additive therefor
US5066367A (en) * 1981-09-11 1991-11-19 Learonal Inc. Limiting tin sludge formation in tin or tin/lead electroplating solutions
US5094726A (en) * 1981-09-11 1992-03-10 Learonal, Inc. Limiting tin sludge formation in tin or tin-lead electroplating solutions
WO1984002538A1 (en) * 1982-12-22 1984-07-05 Learonal Inc Electrodeposition of palladium-silver alloys
US4465563A (en) * 1982-12-22 1984-08-14 Learonal, Inc. Electrodeposition of palladium-silver alloys
US5174887A (en) * 1987-12-10 1992-12-29 Learonal, Inc. High speed electroplating of tinplate
EP0786539A2 (en) 1996-01-26 1997-07-30 Elf Atochem North America, Inc. High current density zinc organosulfonate electrogalvanizing process and composition

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