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1. (WO2018037711) ANTIFOULING FILM

Pub. No.:    WO/2018/037711    International Application No.:    PCT/JP2017/023736
Publication Date: Fri Mar 02 00:59:59 CET 2018 International Filing Date: Thu Jun 29 01:59:59 CEST 2017
IPC: G02B 1/18
B32B 3/30
B32B 27/18
B32B 27/30
G02B 1/118
Applicants: SHARP KABUSHIKI KAISHA
シャープ株式会社
Inventors: SHIBAI, Yasuhiro
芝井 康博
ATSUMO, Ken
厚母 賢
NAKAMATSU, Kenichiro
中松 健一郎
Title: ANTIFOULING FILM
Abstract:
The present invention provides an antifouling film having exceptional antifouling properties, adhesiveness, abrasion resistance, and reliability. This antifouling film is provided with: a substrate; and a polymer layer disposed on the surface of the substrate, the polymer layer having on the surface thereof a structure of projections and depressions in which a plurality of projection portions are provided at a pitch that is equal to or less than the wavelength of visible light, wherein: the polymer layer comprises a cured material of a polymer composition; and the polymer composition contains, in terms of active ingredients, 15-40 wt.% of a hexafunctional or higher urethane acrylate, 35-60 wt.% of a tetrafunctional or higher polyfunctional acrylate having 3-15 ethylene oxide groups per functional group, 15-30 wt.% of a monofunctional acrylate having no ethylene oxide groups, 0.5-10 wt.% of a fluorine-based mold release agent having perfluoropolyether groups and having a fluorine atom concentration of 50 wt.% or less, and 0.5-5 wt.% of a polymerization initiator.