Title:
LAYERED POLYESTER FILM AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/198406
Kind Code:
A1
Abstract:
Provided is a layered polyester film which comprises a polyester film and a layer (X) disposed on at least one surface of the polyester film, wherein the layer (X) is a surface layer disposed on at least one surface of the polyester film and the layer (X) has a surface having a sea-island structure, the sea component of the layer (X) having a modulus (G2) of 4,000 MPa or less, the ratio of the modulus (G1) of the island component to the modulus (G2) of the sea component, G1/G2, being 1.5-4.0. The layered polyester film is excellent in terms of scratch resistance and punchability.
Inventors:
IWAYA TADAHIKO (JP)
OGATA MASAMI (JP)
HARADA KANA (JP)
ABE YU (JP)
OGATA MASAMI (JP)
HARADA KANA (JP)
ABE YU (JP)
Application Number:
PCT/JP2019/010173
Publication Date:
October 17, 2019
Filing Date:
March 13, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/36; C08J7/043; C08J7/046; C08J7/056; C09D7/61; C09D175/04; C09D175/08; C08G18/00; C08G18/08; C08G18/10; C08G18/62
Domestic Patent References:
| WO2016163554A1 | 2016-10-13 |
Foreign References:
| JP2015193756A | 2015-11-05 | |||
| JP2000214791A | 2000-08-04 | |||
| JP2009042647A | 2009-02-26 | |||
| JP2019038247A | 2019-03-14 | |||
| JP2017215585A | 2017-12-07 |
Other References:
See also references of EP 3778235A4
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