GB1030204A - Electropainting process and paint binder concentrate composition therefor - Google Patents

Electropainting process and paint binder concentrate composition therefor

Info

Publication number
GB1030204A
GB1030204A GB4985/63A GB498563A GB1030204A GB 1030204 A GB1030204 A GB 1030204A GB 4985/63 A GB4985/63 A GB 4985/63A GB 498563 A GB498563 A GB 498563A GB 1030204 A GB1030204 A GB 1030204A
Authority
GB
United Kingdom
Prior art keywords
dispersion
amino
compound
resin
polycarboxylic acid
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
GB4985/63A
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.)
Ford Motor Co
Original Assignee
Ford Motor Co
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
Priority claimed from US186320A external-priority patent/US3351575A/en
Application filed by Ford Motor Co filed Critical Ford Motor Co
Publication of GB1030204A publication Critical patent/GB1030204A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/46—Apparatus therefor
    • B01D61/463—Apparatus therefor comprising the membrane sequence AC or CA, where C is a cation exchange membrane
    • 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
    • C09D5/4484—Anodic paints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/46—Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes

Abstract

In the process of electrophoretic coating as disclosed in the parent Specification using an apparently water-soluble and clear dispersion of a film-forming paint binder consisting of a polycarboxylic acid resin partly neutralised with a water-soluble amino-compound, the dispersion includes particles of the neutralised resin up to 500 millimicrons thick which may render the dispersion hazy. The pH of the dispersion is maintained either at 5 to 7 or at 8.2 to 8.4, by suitable replenishment additions of an aqueous concentrate of the amino-compound and polycarboxylic acid resin which together maintain the resin in "polyelectrolyte" condition i.e. the electro-phoretic deposit formed is directly proportional to the current applied and is independent of the voltage. During coating the excess of amino compound formed may be removed by electrodialysis, or by adding organic acids e.g. malic, citric, or acids having 12 to 44 C atoms which form soaps, which are co-deposited on the anode surface. This may be metal or other conductive surface in the form of wire, sheet, tube, perforated metal or articles. The dispersion contains resins, amines, solubilizing agents, viscosity reducers, pigments, and deoxygenating compounds, all as described in the parent Specification. A similar apparatus is also described.
GB4985/63A 1962-03-28 1963-02-07 Electropainting process and paint binder concentrate composition therefor Expired GB1030204A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US18302462A 1962-03-28 1962-03-28
US18649662A 1962-04-10 1962-04-10
US186320A US3351575A (en) 1962-04-10 1962-04-10 Resinous coating material
US20269162A 1962-06-15 1962-06-15
US21857562A 1962-08-22 1962-08-22
US24981263A 1963-01-07 1963-01-07

Publications (1)

Publication Number Publication Date
GB1030204A true GB1030204A (en) 1966-05-18

Family

ID=27558739

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4985/63A Expired GB1030204A (en) 1962-03-28 1963-02-07 Electropainting process and paint binder concentrate composition therefor

Country Status (3)

Country Link
AT (1) AT244910B (en)
CH (1) CH556393A (en)
GB (1) GB1030204A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2111584A1 (en) * 1970-03-12 1971-10-21 Gen Electric Process for the production of electrodepositable water-soluble organic polymers
JPS5254733A (en) * 1975-10-30 1977-05-04 Kansai Paint Co Ltd Diaphragm process for cathodic electro-deposition coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2111584A1 (en) * 1970-03-12 1971-10-21 Gen Electric Process for the production of electrodepositable water-soluble organic polymers
JPS5254733A (en) * 1975-10-30 1977-05-04 Kansai Paint Co Ltd Diaphragm process for cathodic electro-deposition coating

Also Published As

Publication number Publication date
CH556393A (en) 1974-11-29
AT244910B (en) 1966-02-10

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