Films having a microfibrillated surface and method of making
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United States of America Patent
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Jul 1, 2003
Issued Date -
N/A
app pub date -
Sep 20, 2001
filing date -
May 7, 1999
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Abstract
Fibers and microfibrillated articles are provided by imparting fluid energy to at least one surface of a highly oriented, voided, melt-processed polymeric film. The fibers and microfibrillated articles are useful as tape backings, filters, thermal and acoustical insulation and as reinforcement fibers for polymers or cast building materials such as concrete.
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