US1941438A - Process for metallizing with reflecting highly polished surface celluloid in sheets and any other form by chemical means - Google Patents

Process for metallizing with reflecting highly polished surface celluloid in sheets and any other form by chemical means Download PDF

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Publication number
US1941438A
US1941438A US596568A US59656832A US1941438A US 1941438 A US1941438 A US 1941438A US 596568 A US596568 A US 596568A US 59656832 A US59656832 A US 59656832A US 1941438 A US1941438 A US 1941438A
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United States
Prior art keywords
celluloid
metallizing
sheets
highly polished
polished surface
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US596568A
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Kiefer Karl
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    • 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
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/28—Sensitising or activating
    • C23C18/285—Sensitising or activating with tin based compound or composition

Definitions

  • the characteristic feature of the. invention consists in that the celluloid before applying the silver nitrate coating is treated with a tin salt solution containing alcohol.
  • the surface of the celluloid is made absolutely level and the applied separating silver or metal layer also applies itself absolutely plane, so that the silver layer itself can reflect.
  • the preliminary treatment may be carried out on one side or on both sides of the celluloid, and the exposed metallic side may be further covered with a protecting coating or zapon or the like.
  • a process for metallizing with a reflecting, highly polished surface celluloid and the like in sheets and in any other form by chemical process consisting in treating the celluloid with a tin salt solution containing alcohol and in subsequently metallizing the treated surface.
  • a process for metallizing with a reflecting highly polished surface paper, wood, textiles, gelatines, and similar materials consisting in coating the material with celluloid, treating the coating with a tin salt solution containing alcohol, and metallizing the treated celluloid coat- B.

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  • 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)
  • Chemically Coating (AREA)
  • Paper (AREA)

Description

Patented Dec. 26, 1933 .UNITED STATES PATENT; OFFICE Karl Kiefer, Dresden, Germany No Drawing. Application March 3, 1932, Serial No. 596,568, and in Germany September 15,
2 Claims. (CI. 91-683) It is already known, to produce metallic effects with celluloid and similar products. Further, celluloid can be metallized by galvanic process or by mechanical means by pressing on a metal 5 layer. It is however not selfreflecting. It has also not hitherto been possible to produce a highly polished efiect by a preliminary treatment.
According to the invention all hitherto existing objections in the metallizing of celluloid,
l0 gelatine and the like are overcome, and it is rendered possible to employ as mirror celluloid treated according to the new process.
This applies both for the metal side directed towards the celluloid and also for the exposed 16 side. .Both metal sides have a reflecting high polish without subsequent treatment.
Moreover, it is not necessary to apply an intermediate layer, as the silver nitrate solution can be applied directly onto the celluloid.
20 The characteristic feature of the. invention consists in that the celluloid before applying the silver nitrate coating is treated with a tin salt solution containing alcohol.
Thus the surface of the celluloid is made absolutely level and the applied separating silver or metal layer also applies itself absolutely plane, so that the silver layer itself can reflect.
The preliminary treatment may be carried out on one side or on both sides of the celluloid, and the exposed metallic side may be further covered with a protecting coating or zapon or the like.
It is also possible according to the above described process to silver plate or metallize with a high polish paper, wood, textiles, gelatines and similar and allied materials and bodies in a similar manner to. all shapes and structures of celluloid, in that these materials and bodies are covered with a celluloid coating by dipping, painting, spraying or the like, and this coating is subsequently treated as above described.
I claim:-
1. A process for metallizing with a reflecting, highly polished surface celluloid and the like in sheets and in any other form by chemical process, consisting in treating the celluloid with a tin salt solution containing alcohol and in subsequently metallizing the treated surface.
2. A process for metallizing with a reflecting highly polished surface paper, wood, textiles, gelatines, and similar materials, consisting in coating the material with celluloid, treating the coating with a tin salt solution containing alcohol, and metallizing the treated celluloid coat- B.
KARL ICEFER.
US596568A 1931-09-15 1932-03-03 Process for metallizing with reflecting highly polished surface celluloid in sheets and any other form by chemical means Expired - Lifetime US1941438A (en)

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DE1941438X 1931-09-15

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429420A (en) * 1942-10-05 1947-10-21 Libbey Owens Ford Glass Co Conductive coating for glass and method of application
US2439654A (en) * 1943-09-18 1948-04-13 Libbey Owens Ford Glass Co Method of silvering surfaces
US2447379A (en) * 1943-04-21 1948-08-17 Focal Company Process for metalizing nonmetallic articles
US2580718A (en) * 1945-08-01 1952-01-01 Printing And Allied Trades Res Method of producing electroforms
US2602757A (en) * 1948-04-09 1952-07-08 Morris S Kantrowitz Method and composition for producing silver coatings
US3442683A (en) * 1964-06-15 1969-05-06 Ibm Production of metallic coatings upon the surfaces of other materials
US4232075A (en) * 1978-12-19 1980-11-04 Gantec Corporation Plastic mirror article and method of making same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429420A (en) * 1942-10-05 1947-10-21 Libbey Owens Ford Glass Co Conductive coating for glass and method of application
US2447379A (en) * 1943-04-21 1948-08-17 Focal Company Process for metalizing nonmetallic articles
US2439654A (en) * 1943-09-18 1948-04-13 Libbey Owens Ford Glass Co Method of silvering surfaces
US2580718A (en) * 1945-08-01 1952-01-01 Printing And Allied Trades Res Method of producing electroforms
US2602757A (en) * 1948-04-09 1952-07-08 Morris S Kantrowitz Method and composition for producing silver coatings
US3442683A (en) * 1964-06-15 1969-05-06 Ibm Production of metallic coatings upon the surfaces of other materials
US4232075A (en) * 1978-12-19 1980-11-04 Gantec Corporation Plastic mirror article and method of making same

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