GB299903A - Improvements in processes for coating non-conducting substances with metals - Google Patents

Improvements in processes for coating non-conducting substances with metals

Info

Publication number
GB299903A
GB299903A GB2038727A GB2038727A GB299903A GB 299903 A GB299903 A GB 299903A GB 2038727 A GB2038727 A GB 2038727A GB 2038727 A GB2038727 A GB 2038727A GB 299903 A GB299903 A GB 299903A
Authority
GB
United Kingdom
Prior art keywords
metal
substance
salt
solvent
warren
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
GB2038727A
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.)
EUSTACE LEONARD GATES WARREN
PRECIOUS METAL IND Ltd
Original Assignee
EUSTACE LEONARD GATES WARREN
PRECIOUS METAL IND Ltd
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 EUSTACE LEONARD GATES WARREN, PRECIOUS METAL IND Ltd filed Critical EUSTACE LEONARD GATES WARREN
Priority to GB2038727A priority Critical patent/GB299903A/en
Publication of GB299903A publication Critical patent/GB299903A/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
    • C23C18/42—Coating with noble metals
    • C23C18/44—Coating with noble metals using reducing agents
    • 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
    • C23C18/52—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 using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50

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)
  • Powder Metallurgy (AREA)
  • Catalysts (AREA)

Abstract

299,903. Warren, A. I. Gates-, Warren, E. L. Gates-, and Precious Metal Industries, Ltd. Aug. 2, 1927. Gilding and silvering. - Electrically non-conducting substances, such as casein products, ce11u1ose acetate, vegetable and synthetic gums, tortoiseshe11, urea and phenol condensation products, and like substances which have or which may be given a porous surface, are coated with metal by first abrading, if necessary, to produce a porous surface, and then applying to the surface a metallic salt and a quantity of the same or a different metal in the form of a pure finely-divided precipitate made up as a suspension or paste. The metal may be formed into a paste with the solution of the salt or may be applied separately. The surface to which the salt has been applied is allowed to stand for a period exposed to light and to the action of a reducing-agent, such as formaldehyde, furfurol, or the like, which may be naturally present in the substance or may be in the form of vapour in the atmosphere of the room. Where the substance to be coated is so1ub1e, the solvent for the metal salt may be also a solvent of the substance. When a volatile solvent is employed, an inert colloid may be added to assist in keeping the metal powder in suspension. After application, the coatings may be burnished, and, if a heavier coating is required, the substance may subsequently be electroplated.
GB2038727A 1927-08-02 1927-08-02 Improvements in processes for coating non-conducting substances with metals Expired GB299903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2038727A GB299903A (en) 1927-08-02 1927-08-02 Improvements in processes for coating non-conducting substances with metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2038727A GB299903A (en) 1927-08-02 1927-08-02 Improvements in processes for coating non-conducting substances with metals

Publications (1)

Publication Number Publication Date
GB299903A true GB299903A (en) 1928-11-02

Family

ID=10145106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2038727A Expired GB299903A (en) 1927-08-02 1927-08-02 Improvements in processes for coating non-conducting substances with metals

Country Status (1)

Country Link
GB (1) GB299903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002222A1 (en) * 1979-04-11 1980-10-16 Neselco As A method for drysensitization of an insulating surface and a powder for use with the method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002222A1 (en) * 1979-04-11 1980-10-16 Neselco As A method for drysensitization of an insulating surface and a powder for use with the method

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