Electrophoretic deposition of sulfone-containing polymers

Details Electrophoretic deposition of sulfone-containing polymers Electrophoretic deposition of sulfone-containing polymers

1985-08-14

1987-02-10

Chapman, Terryence

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041816, C25D 1306

Patent

active

046421700

ABSTRACT:
Disclosed is a method of electrophoretically depositing a coating of polysulfones or polyethersulfones on a conductive substrate. An amine-free solution is formed in an organic solvent of the polysulfones or polyethersulfones. An emulsion is formed by combining the solution with an organic non-solvent for the polymer which contains up to about 0.6 parts by weight of an organic nitrogen containing base per parts by weight of the polymer. A direct current is applied between a conductive substrate and the emulsion which results in the deposition of the polymer on the substrate.

REFERENCES:
patent: 3812069 (1974-05-01), Boldebuck
patent: 3850734 (1974-11-01), Parekh et al.
patent: 3850735 (1974-11-01), Parekh et al.
patent: 4003812 (1977-01-01), Scala et al.
patent: 4533448 (1985-08-01), Scala et al.

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