Cushioning material
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United States of America Patent
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-
Mar 23, 1993
Issued Date -
N/A
app pub date -
Jun 5, 1989
filing date -
Jul 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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