Coating method and article produced thereby

Details Coating method and article produced thereby Coating method and article produced thereby

1978-12-20

1980-10-21

Esposito, Michael F.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

106 1421, 106 1444, 10628716, 427405, 427406, 427409, 428450, 4273978, 4273837, F16L 5806, F16L 5810

Patent

active

042294959

ABSTRACT:
A primer coating composition comprising (1) a mixture of more than 50% by weight of aluminum powder and less than 50% by weight of zinc powder, and (2) at least one C.sub.1-4 -alkyl silicate, the weight ratio of (1) to (2) being 60:40 to 95:5. The composition is employed in a coating method which comprises applying a primer dispersion to the surface of a substrate to be coated. The primer disbersion is a dispersion of a mixture of more than 50% by weight of aluminum powder and less than 50% by weight of zinc powder in a solution of at least one organic solvent-soluble C.sub.1-4 -alkyl silicate in an organic solvent. The weight ratio of the metal powder to the alkyl silicate is as indicated. The coating is baked and a finishing powder paint is coated on the resulting primer. The finished coating is then baked.

REFERENCES:
patent: 2673817 (1954-03-01), Burns
patent: 2718474 (1955-09-01), Hodil et al.
patent: 3056684 (1962-10-01), Lopata et al.
patent: 3356515 (1967-12-01), McGlothlin
patent: 3475141 (1969-10-01), Hubbell et al.
patent: 3653930 (1972-04-01), Law et al.
patent: 3782909 (1974-01-01), Cleary et al.
patent: 3888575 (1975-06-01), Fujii et al.
patent: 4061801 (1977-12-01), Hamada et al.
patent: 4071380 (1978-01-01), Shutt

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