Pipe coating compositions

Details Pipe coating compositions Pipe coating compositions

1994-02-22

1995-10-31

Mulcahy, Peter D.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 359, 428 368, 428 3691, 138146, 138DIG6, 138DIG7, 242 722, 524504, 524505, B29D 2200

Patent

active

054627800

ABSTRACT:
Improved thermoplastic adhesive liquid coatings adapted for use as a primer coating for inground pipelines, which coatings include an amphipathic metal complexing reagent in an amount effective to provide protection against cathodic disbondment, the improvement being the bonding to the thermoplastic moiety of an anhydride in an amount sufficient to provide still further protection against degradative environmental forces; and novel protective pipewrap systems including same.

REFERENCES:
patent: 4994508 (1991-02-01), Shiaki et al.
Encyclopedia of Polymer Science and Engineering vol. 11 Peroxy-Polyesters.

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