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Title:
MULTILAYER FILM, MOLDED BODY, METHOD FOR PRODUCING MULTILAYER FILM, AND METHOD FOR PRODUCING MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2021/235493
Kind Code:
A1
Abstract:
The present invention provides a multilayer film which has excellent shapability and excellent releasability from a mold. A multilayer film according to the present invention, which is provided with a transparent supporting base material and a coating layer that is arranged on at least one main surface of the transparent supporting base material, wherein: the coating layer contains an active energy ray-curable resin composition; the coating layer has a thickness of more than 2 μm; the coating layer has an indentation hardness HB100 of from 0.30 GPa to 0.65 GPa at an indentation depth of 100 nm as determined by a nanoindentation method; the coating layer has an indentation hardness HB2000 of from 0.15 GPa to 0.35 GPa at an indentation depth of 2,000 nm as determined by a nanoindentation method; and the indentation hardness HB2000 is lower than the indentation hardness HB100.

Inventors:
TAKIGAWA KEI (JP)
HOSOKAWA TAKEKI (JP)
TAKAHASHI JUMPEI (JP)
NAKADE TAKESHI (JP)
KOBAYASHI KAZUHITO (JP)
Application Number:
PCT/JP2021/019013
Publication Date:
November 25, 2021
Filing Date:
May 19, 2021
Export Citation:
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Assignee:
NIPPON PAINT AUTOMOTIVE COATINGS CO LTD (JP)
International Classes:
B32B27/16; B32B7/022; C08J7/046
Domestic Patent References:
WO2011090172A12011-07-28
WO2011040541A12011-04-07
Foreign References:
JP2009184284A2009-08-20
JP2011228674A2011-11-10
JP2018012279A2018-01-25
JP2019123211A2019-07-25
JP2017215435A2017-12-07
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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