Polymeric anticorrosion film

Details Polymeric anticorrosion film Polymeric anticorrosion film

1989-02-21

1991-07-02

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283148, 4283188, 4283211, B32B 514, B32B 326

Patent

active

050284797

ABSTRACT:
A polymeric anticorrosion film having a thermoplastic matrix made with a gradual transition from a nonporous to a porous structure formed by a system of closed and communicating pores filled with an inhibitor liquid with an increasing apparent density to a value equal to the thermoplastic density by 1/4-2/3 of the film thickness in the direction from one of its surfaces.

REFERENCES:
patent: 2521311 (1950-09-01), Schwoegler et al.
patent: 3311681 (1967-03-01), Cherney et al.
patent: 3560600 (1971-02-01), Gliniecki
patent: 3775350 (1973-11-01), Juhas
patent: 4104440 (1978-08-01), Collins

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