Non-stick rubber liner

Details Non-stick rubber liner Non-stick rubber liner

1978-04-28

1980-07-29

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

106 13, 260 296F, 428332, 428422, 428466, 428492, 428493, 428515, 428521, B32B 2504, B32B 2512, B32B 2708

Patent

active

042151783

ABSTRACT:
A rubber liner for preventing build-up of materials, such as gypsum, in handling or storage facilities, comprises, by weight, 100 parts of a rubber elastomer, 10 to 30 parts of a fluorine-containing polymer and 5 to 20 parts of a compatible oil compound. Preferably, the liner also contains from 2 to 15 parts of a compatible grease. For improved adhesion to metal surfaces such as tanks and pipes, a laminate is made utilizing said non-stick rubber liner as an outer liner, utilizing a diffusion-resistant hard rubber layer as an intermediate layer, and utilizing a soft rubber layer designed for maximum rubber-to-metal adhesion as an interior layer.

REFERENCES:
patent: Re24856 (1960-08-01), Panagrossi et al.
patent: 2017593 (1935-10-01), Geer
patent: 2167716 (1939-08-01), Harkins
patent: 2522135 (1950-09-01), Schaffer
patent: 2681324 (1954-06-01), Hochberg
patent: 2705691 (1955-04-01), Panagrossi et al.
patent: 3148234 (1964-09-01), Boyer
patent: 4115614 (1978-09-01), Martin

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