Electrodeposition of compositions containing sulfonium resins an

Details Electrodeposition of compositions containing sulfonium resins an Electrodeposition of compositions containing sulfonium resins an

1977-04-11

1978-06-27

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25D 1306

Patent

active

040973522

ABSTRACT:
It has been found that aqueous coating compositions comprising a blocked organic polyisocyanate and quaternary sulfonium group-containing resin containing isocyanate reactive groups can be electrodeposited. These compositions deposit on the cathode to provide coatings having excellent properties including solvent resistance, salt spray and detergent resistance, hardness, flexibility, and most importantly a resistance to yellowing, especially when used to formulate white or pastel coatings.

REFERENCES:
patent: 3936405 (1976-02-01), Sturni et al.

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