Sheet packaging material

Details Sheet packaging material Sheet packaging material

1981-03-23

1982-03-23

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428332, 4283055, 4283144, 4283159, 4283148, 4283157, 4283171, B32B 700, B32B 900

Patent

active

043212972

ABSTRACT:
A padded packaging sheet for guarding against rust and corrosion, incorporates a coating of volatile corrosion inhibitor (VCI) on a pliable layer of a sealed cell micro-porous foam. The VCI can be incorporated in a cohesive non-adhesive coating on the micro-porous layer or directly on the micro-porous layer in the absence of such cohesive coating. The effectiveness of the VCI can be further enhanced by incorporating in the padded sheet a vapor barrier such as for example, aluminum foil or a film of hydrophobic polymer such as a silicone or a polyester such as Mylar (polyethylene terephthalate). A water-repellent layer can also be added. The sheet can be made anti-static and/or opaque, and strengthened with fibers that make it almost impossible to tear.

REFERENCES:
patent: 2829080 (1958-04-01), Fessler et al.
patent: 3080211 (1963-03-01), Fessler et al.
patent: 4086384 (1978-04-01), Adelman et al.
patent: 4263360 (1981-04-01), Adelman
patent: 4275835 (1981-06-01), Miksic et al.

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