GB253085A - Improvements in or relating to the electrical deposition of organic materials - Google Patents
Improvements in or relating to the electrical deposition of organic materialsInfo
- Publication number
- GB253085A GB253085A GB11415/26A GB1141526A GB253085A GB 253085 A GB253085 A GB 253085A GB 11415/26 A GB11415/26 A GB 11415/26A GB 1141526 A GB1141526 A GB 1141526A GB 253085 A GB253085 A GB 253085A
- Authority
- GB
- United Kingdom
- Prior art keywords
- added
- rubber
- per cent
- emulsion
- vulcanization
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/448—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications characterised by the additives used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
Abstract
253,085. Kodak, Ltd., (Assignees of Sheppard, S. E., and Eberlin, L. W.). June 8, 1925, [Convention date]. Indiarubber. guttapercha. and balata, preparation of.-Rubber is deposited on to an anode from an aqueous emulsion thereof containing a reducing agent readily oxidizes to form a dye-stuff. Suitable reducing agents are the leuco bases of such vat dye-stuffs as indanthrone or a miwture of a paradiamine compound and a phenol or naphthol in which the para position is free. In an example the leuco base of trichloroindanthrone is added to the emulsion to the extent of one to two per cent of the rubber content. The coloured oxidation product is deposited with the rubber. In another example one per cent of a mixture of asymmetric-dimethyl-para-phenylenediamine and alpha-naphthol is added. Catalysers such as ceric or manganous salts may also be added. In an example a rubber dispersion is prepared by mixing 1000 c.c. of a 5 per cent solution of rubber in benzol with 1000 c.c. of paraffin and 500 c.c. of sulphonated castor oil and stirring the mixture into 3000 c.c. of an aqueous solution containing 150 gms of Castile soap as emulsifier. Aniline sulphate may be added before emulsification for the purposes of accelerating vulcanization. Vulcanizing agents may be added before emulsification or may be added to the emulsion in colloidal form, or may be omitted, vulcanization in this case being effected by subsequent treatment in a solution of sulphur in sulphur dichloride or otherwise. An ammonium soap is used as emulsifier when a coating of high electrical resistance is desired: the ammonia is driven off during vulcanization. The emulsifying agents may also consist of saturated or unsaturated compounds of fatty acids with alkali metals or ammonium, or of sodium phenol or cresolate with or without excess of cresol or cresylic acid. Direct current either constant or pulsating is employed. The voltage may be 110 and the current “ to ¢ amp. per sq. inch of an anode surface. According to the Specification as open to inspection under Sect. 91 (3) (a) sodium sulphite, thiosulphate or hydrosulphite, or hydroquinone, resorcin or phenolic amines may be used as reducing agents. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US253085XA | 1925-06-08 | 1925-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB253085A true GB253085A (en) | 1926-12-09 |
Family
ID=21825272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11415/26A Expired GB253085A (en) | 1925-06-08 | 1926-04-30 | Improvements in or relating to the electrical deposition of organic materials |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB253085A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3455805A (en) * | 1966-02-01 | 1969-07-15 | Shell Oil Co | Process for coating surfaces by electrodeposition |
-
1926
- 1926-04-30 GB GB11415/26A patent/GB253085A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3455805A (en) * | 1966-02-01 | 1969-07-15 | Shell Oil Co | Process for coating surfaces by electrodeposition |
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