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Title:
MULTILAYER FILM
Document Type and Number:
WIPO Patent Application WO/2017/221783
Kind Code:
A1
Abstract:
Provided is a multilayer film which is obtained by laminating a layer containing a curable resin (hereinafter referred to as a curable layer) on at least one surface of a film, and which is characterized in that: the total thickness is 1-100 μm; the light transmittance at the wavelength of 400 nm is 70% or more; the Young's modulus of the surface of the curable layer is 5 GPa or more when a nanoindenter is pressed 1 μm into the surface of the curable layer in the thickness direction; and the deformation after the application of a stress of 0.5 MPa for 30 minutes is 500 ppm or less. Consequently, the present invention provides a multilayer film that exhibits high surface hardness even in the form of a thin film, while having folding resistance at the same time.

Inventors:
SAWAMOTO ATSUSHI (JP)
SUEOKA MASANORI (JP)
MATSUI KAZUMA (JP)
SATO KOHEI (JP)
TSUKUDA AKIMITSU (JP)
MICHIZOE JUNJI (KR)
KIM DO KYUN (KR)
Application Number:
PCT/JP2017/021943
Publication Date:
December 28, 2017
Filing Date:
June 14, 2017
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B27/00; B32B7/02; B32B27/34; C08J7/043; C08J7/046
Domestic Patent References:
WO2004039863A12004-05-13
Foreign References:
JP2014025061A2014-02-06
JP2005219223A2005-08-18
JP2015222412A2015-12-10
JP2014005446A2014-01-16
JP2015120886A2015-07-02
JP2016078455A2016-05-16
JP2014065172A2014-04-17
JP2014134674A2014-07-24
JP2014210412A2014-11-13
JPH0815682A1996-01-19
JP2009198811A2009-09-03
JP2007147798A2007-06-14
JP2006178123A2006-07-06
JP2005015790A2005-01-20
Other References:
See also references of EP 3476592A4
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
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