Web materials having both plastic and elastic properties
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United States of America Patent
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Jun 12, 2012
Grant Date -
Sep 29, 2005
app pub date -
Mar 23, 2005
filing date -
Mar 29, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An extruded web is disclosed. The extruded web can be either a nonwoven material of a films. The web comprises a plasto-elastic material where the plasto-elastic material is a combination of a first polyolefin and a second polyolefin (either a polymeric blends or a polymeric mixture). The claimed combination of polyolefins results in a material that has substantially plastic properties when a sample taken from said web is subjected to an initial strain cycle (such that the web is provided with a set of at least 30% by an initial strain cycle) and substantially elastic properties when a sample taken from the web is subjected to at least a second strain cycle.
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