Surface pre-treatment prior to underwater bonding

Details Surface pre-treatment prior to underwater bonding Surface pre-treatment prior to underwater bonding

1981-07-17

1982-10-05

Kimlin, Edward C.

Coating processes

With cutting, holding, severing, or abrading the base

Prior to coating

156281, 1563073, 156330, 156153, 427327, 4273882, 427410, 427421, B05D 300, B05D 312

Patent

active

043528414

ABSTRACT:
The invention relates to a method of forming a metal-resin bond in the presence of environmental contamination of the metal surface by, for example, adsorbed water. The method consists of cleaning the metal surface and then coating it with a pre-treatment material adapted to displace the adsorbed contaminant and to be displaced in turn by the applied resin. The method is particularly relevant to the formation of steel/epoxy resin bonds underwater for the repair of submerged structures. The pre-treatment material may consist of a hydrocarbon solvent containing in solution a surfactant such as an ionic surfactant together with a viscous hydrocarbon such as petroleum jelly.

REFERENCES:
patent: 2636257 (1953-04-01), Ford
patent: 2669546 (1954-02-01), Zussman et al.
patent: 4170579 (1979-10-01), Bosso et al.
patent: 4273598 (1981-06-01), Bowditch
Surface Preparation of Metals, Spencer, L. F., Metal Finishing, v. 58, No. 6, Jun. 1960, 53-58.
World Surface Coating Abstracts, vol. 52, Abstract #79/5428, No. 446, Aug. 1979, Yakovlev et al.
World Surface Coating Abstracts, vol. 51, Abstract #78/2598, No. 430, Apr. 1978, Drisko.
World Surface Coating Abstracts, vol. 51, Abstract #78/2603, No. 430, Apr. 1978, Grimes.

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