Multilayered polyolefin structure
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United States of America Patent
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Apr 20, 1993
Grant Date -
N/A
app pub date -
Mar 29, 1991
filing date -
Mar 29, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multilayer structure designed to overcome the shortcomings of previously known thermoformed sheet structures. Articles may be formed by a method of the present invention having an attractive outer appearance associated with polyolefin films containing inert inorganic fillers while having the advantageous processing properties of oriented films. The present invention is directed to multilayer structures, methods for forming the multilayer structures as well as shaped articles formed from the multilayer structures. The multilayer structure has at least a first sheet layer comprising a polyolefin and preferably an inert organic filler, and a film layer which advantageously comprises an oriented polyolefin or polyester. The present invention may comprise one or more of each of the above described sheet and film layers.
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