Cushioning material

Details Cushioning material Cushioning material

1989-06-05

1993-03-23

Loney, Donald J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428166, 428172, 428179, 4284744, 4284763, 4284769, 493967, B32B 312

Patent

active

051962543

ABSTRACT:
A cushioning material is disclosed which includes two laminated films between which a plurality of air tight cells are formed. Each of the films is composed of an intermediate layer formed of an aromatic polyamide resin and two surface layers formed of a polyolefin resin and provided on both sides of the intermediate layer, wherein the aromatic polyamide resin is one obtained by polycondensing m-xylylenediamine with an aliphatic dicarboxylic acid selected from the group consisting of adipic acid, terephthalic acid, isophthalic acid and mixtures thereof, and the polyolefin resin is a member selected from the group consisting of low density polyethylenes, ethylene/.alpha.-olefin copolymers and mixtures thereof.

REFERENCES:
patent: Re29340 (1977-08-01), Matsunami et al.
patent: 3843479 (1974-10-01), Matsunami et al.
patent: 3946089 (1976-03-01), Furukawa et al.
patent: 4133802 (1979-01-01), Hachiboshi et al.
patent: 4314865 (1982-02-01), Ottaviano
patent: 4412879 (1983-11-01), Ottaviano
patent: 4486507 (1984-12-01), Schumacher

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