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Title:
MULTILAYERED POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2021/241159
Kind Code:
A1
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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Inventors:
SUZUKI TADAMASA (JP)
TSUBOKURA SHO (JP)
HIGASHIOJI TAKUJI (JP)
Application Number:
PCT/JP2021/017428
Publication Date:
December 02, 2021
Filing Date:
May 07, 2021
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/00; B29B17/00; B32B27/30; B32B27/36; C08J11/08
Foreign References:
JP2005131552A2005-05-26
JP2013063610A2013-04-11
JP2014226922A2014-12-08
JPH09239828A1997-09-16
JP2006334966A2006-12-14
JP2019196005A2019-11-14
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