Multiple coating method

Details Multiple coating method Multiple coating method

1986-02-25

1988-08-02

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

2041817, 4274071, 427409, 427410, C25D 1306

Patent

active

047612126

ABSTRACT:
This invention provides a coating method comprising the steps of applying to an electroconductive substrate a cationic electrophoretic primer which contains a binder resin having in its molecule a functional group capable of reacting with an isocyanate group under a curing condition to form a primer coat, applying to the primer coat a surfacer or topcoating containing a hydroxyl-containing resin and polyisocyanate compound to form a surfacer coat or topcoat and curing the two coats at the same time at a temperature between room temperature and about 130.degree. C.

REFERENCES:
patent: 3619398 (1971-11-01), Bosso et al.
patent: 3676383 (1972-07-01), Scala et al.
patent: 3998716 (1976-12-01), Masar et al.
patent: 4375498 (1983-03-01), Le Minez et al.
patent: 4463038 (1984-07-01), Takeuchi et al.
patent: 4529632 (1985-07-01), Fujii et al.
patent: 4536558 (1985-08-01), Kordomenos

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