Corrosion resistant primer and method of use thereof in protecti

Details Corrosion resistant primer and method of use thereof in protecti Corrosion resistant primer and method of use thereof in protecti

1991-07-26

1993-09-21

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525141, C08L 6110, C08L 6114, C08L 900

Patent

active

052470164

ABSTRACT:
A primer for protecting the exterior surfaces of an underground metal pipe against corrosion at temperatures of up to 250.degree. F. includes a butyl elastomer, an aliphatic hydrocarbon resin, a heat curable phenolic resin which crosslinks at between approximately 180.degree. F. and 250.degree. F., and a hydrocarbon solvent. The primer can be effectively utilized in a method which includes the steps of applying the primer to the exterior surface of a metal pipe, allowing the primer to at least partially cure, and applying a protective adhesive tape to the pipe over the primer.

REFERENCES:
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patent: 2847715 (1958-08-01), Dosmann
patent: 3028356 (1962-04-01), Shepard
patent: 3165496 (1965-01-01), Fusco et al.
patent: 3674735 (1972-07-01), Callan
patent: 3752780 (1975-08-01), Petersen et al.
patent: 4127545 (1978-11-01), Callan et al.
1989 Rubber Directory+Buyers Guide.
1986 Rubber Red Book.
1982 Blue Book.

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