High-barrier polyethylene terephthalate film
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United States of America Patent
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Jun 9, 2020
Grant Date -
May 18, 2017
app pub date -
Jan 13, 2017
filing date -
Jun 27, 2013
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Abstract
A high-barrier film is provided that includes a biaxially-oriented polyethylene terephthalate (PET) layer having a first side and a second side opposite the first side, a cross-linked acrylic primer layer, and a metal barrier layer. The cross-linked acrylic primer layer is adjacent to the second side of the PET layer and has a dynamic coefficient of friction (μD) to steel of less than about 0.45, while the metal barrier layer is adjacent to the first side of the PET layer. The film has a total thickness of less than or equal to about 12 μm. Processes for producing the high-barrier film are also provided.
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