Biaxially oriented polypropylene film
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United States of America Patent
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Jun 18, 1996
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N/A
app pub date -
Feb 7, 1994
filing date -
Feb 6, 1993
priority date (Note) -
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Abstract
Biaxially oriented polypropylene films having a core layer of voided polypropylene homopolymer with a layer of non-voided polypropylene homopolymer on one surface thereof and an outer, printable layer on the non-voided layer, the core layer and/or the said non-voided layer including titanium dioxide. Such films can be used to produce labels, for example with densities in the range 0.55 to 0.80 despite the presence of the titanium dioxide.
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