Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1983-03-09
1985-03-12
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204181T, 20415923, 427410, 427386, 427 541, C25D 1308, B05D 306, C08F 248
Patent
active
045043744
ABSTRACT:
A method of providing a stone chip-resistant finish to the undersurface of an automobile is disclosed in which the undersurface is coated with a cationically initiated liquid mixture of cationically curable polyepoxide, polyhydric alcohol, and a photoinitiator for an ultraviolet-activated cationic cure. The liquid mixture is applied at a resin solids content of at least about 50% and in a thickness to provide a cured coating of at least 2 mils thick, and the wet coating is cured by exposing it to ultraviolet light. The automobile undersurface is desirably primed with a cross-linked amine-functional polymer primer, and the coating includes from 1% to 8% of a finely divided silica which prevents running but does not interfere with the ultraviolet cure.
REFERENCES:
patent: 4035274 (1977-07-01), McGinniss
patent: 4105518 (1978-08-01), McGinniss
patent: 4166017 (1979-08-01), McGinniss
patent: 4254168 (1981-03-01), Monson
patent: 4259163 (1981-03-01), Suzuki et al.
patent: 4318766 (1982-03-01), Smith
Beeks Elaine C.
Lewarchik Ronald J.
Murphy Edward J.
Boggs Jr. B. J.
DeSoto, Inc.
Niebling John F.
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