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Title:
BIAXIALLY ORIENTED POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2023/095709
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a smooth-surfaced biaxially oriented polyester film having good print visibility by material recycling of films intended for disposal. The present invention also addresses the problem of providing a biaxially oriented polyester film that can be used as a base film in a release film for resin sheet production.　A biaxially oriented polyester film having a haze of 2-15% inclusive and a surface roughness SRa on at least one side of 5-40 nm inclusive.

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Inventors:
ZUSHI TAICHI (JP)
SHIMIZU AKIRA (JP)
NISHIO SHOTARO (JP)
Application Number:
PCT/JP2022/042696
Publication Date:
June 01, 2023
Filing Date:
November 17, 2022
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
C08J5/18; B32B27/36
Domestic Patent References:
WO2020095725A12020-05-14
WO2014203702A12014-12-24
Foreign References:
JP2014133373A2014-07-24
JP2017217901A2017-12-14
JP2018090803A2018-06-14
JP2004148538A2004-05-27
JP2006264135A2006-10-05
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