LAMINATED POLYESTER FILM, AND METHOD FOR PRODUCING POLYESTER FILM
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Jan 24, 2022
filing date -
Feb 10, 2021
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Abstract
The present invention addresses the problem of providing a laminated polyester film that has high reusability and is suitable for processing during a post process. This laminated polyester film comprises a polyester film and a layer X that satisfies the following conditions. Condition 1: 20≤γXP≤45 Condition 2: 3.0≤γXH≤10γXP (mN/m): Polar component of the surface free energy of the layer X γXH (mN/m): Hydrogen bond component of the surface free energy of the layer X.
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