Paint film arrangement

Details Paint film arrangement Paint film arrangement

1989-12-20

1992-06-23

Cashion, Jr., Merrell C.

Stock material or miscellaneous articles

Composite

Of epoxy ether

428416, 428458, 428480, B32B 1508, B32B 2738

Patent

active

051242095

ABSTRACT:
A paint film arrangement formed on an outer panel of an automotive vehicle. The paint film arrangement comprises a film of an electrodeposition paint formed on the surface of a steel plate of the automotive vehicle outer panel. The surface of the electrodeposition paint film has a center line average height Ra within a range of 0.3.mu..ltoreq.Ra.ltoreq.0.8.mu.. The total of values of power spectrum of the surface of the electrodeposition paint film is not more than 80 .mu.V.sup.2 within a wavelength range not more than 0.5 mm. Additionally, a film of an intermediate coat paint is formed on the surface of the electrodeposition paint film. The intermediate coat paint has a hardening starting time ranging from 15 to 20 minutes. The hardening starting time is determined according to a logarithmic decrement of the intermediate coat paint by an oscillated pendulum type viscoelasticity measuring device.

REFERENCES:
patent: 4619746 (1986-10-01), Delaney et al.
patent: 4711917 (1987-12-01), McCollum et al.
patent: 4761337 (1988-08-01), Guagliardo et al.
"Colouring Material Study Representation Summary", (1985), (1A-9).

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