Process for making rapidly recoverable PTFE
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United States of America Patent
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Jun 25, 1991
Issued Date -
N/A
app pub date -
May 22, 1989
filing date -
Oct 19, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to porous polytetrafluoroethylene (hereinafter PTFE) materials having the property of rapid recovery and a method for producing these materials. The microstructure of the porous PTFE material consists of nodes interconnected by fibrils, substantially all of the fibrils having a bent or wavy appearance. Articles made from these materials are particularly suitable for use in the medical field, but are also useful in other areas such as filtration and fabric applications.
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