Transparent polyolefin film having a UV barrier
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United States of America Patent
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Nov 27, 2007
Grant Date -
Sep 15, 2005
app pub date -
May 21, 2003
filing date -
May 23, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a biaxially oriented transparent polypropylene film having a good UV barrier. The film contains, in at least one layer, nanoscalar titanium dioxide. The total content of nanoscalar titanium dioxide in the film ranges from 0.5 to 1.5% by weight with regard to the total weight of the film.
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