MULTILAYERED POLYESTER FILM
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United States of America Patent
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Issued Date -
May 18, 2023
app pub date -
May 7, 2021
filing date -
May 7, 2021
priority date (Note) -
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Abstract
A multilayered polyester film which comprises a polyester film and, disposed on at least one surface thereof, a layer X which has a contact angel HX(1) with water of 0-60°, wherein the layer X has a degree of crystallinity C(0) of 0-30%. HX(1): Contact angle at one second after water has come into contact with layer X. A polyester film having excellent recoverability is provided by disposing a layer X on at least one surface of a polyester film, the layer X having a regulated contact angle with water and a regulated degree of crystallinity.
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