Release Liner
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United States of America Patent
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N/A
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N/A
app pub date -
Feb 25, 2011
filing date -
Jun 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is a release liner including a film formed of a thermoplastic polymer and a non-migratory silicone additive. The additive is formed with a siloxane polymer that can be added directly to the thermoplastic polymer prior to compounding the thermoplastic polymer into an extrudable release liner film. The additive provides the desired release properties to the film, and due to bonds formed between the siloxane polymer and a binding component added to the siloxane polymer during formation of the additive, as well as the high molecular weight of the siloxane polymer, is non-migratory.
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