Polyvinyl chloride or polyolefin melt processable compositions containing polytetrafluoroethylene micropowder
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United States of America Patent
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Issued Date -
Sep 1, 2005
app pub date -
Apr 12, 2005
filing date -
Jun 11, 2003
priority date (Note) -
Abandoned
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Abstract
The use of polytetrafluoroethylene micropowders having a particle size of generally less than about 20 microns as an additive for polyvinyl chloride or polyolefin unexpectedly produces compositions which are melt processable. Other unexpected properties include that the micropowder is deformable under shear and acts as a flame retardant.
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