Multi-layer co-extruded film
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United States of America Patent
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Aug 31, 2004
Grant Date -
May 15, 2003
app pub date -
Oct 24, 2002
filing date -
Oct 25, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-layer co-extruded film is particularly intended for use as a labeling, a laminating or a packaging film. The film includes two outer layers (1) consisting of a polyolefin, a polyolefin mixture or an olefin copolymer, and a core consisting of a mixture of styrene homopolymers and styrene-butadiene-styrene block copolymers at least in the areas bordering on the outer layers. The mixture contains more than 50% by weight up to a maximum of 90% by weight styrene homopolymer, the balance being styrene-butadiene-styrene block copolymer.
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