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1. (WO2018124204) HARD COAT LAYER-FORMING COMPOSITION AND EYEGLASS LENS

Pub. No.:    WO/2018/124204    International Application No.:    PCT/JP2017/046979
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Thu Dec 28 00:59:59 CET 2017
IPC: G02B 1/14
B32B 27/20
B32B 27/38
C09D 7/40
C09D 163/00
C09D 183/06
G02C 7/02
Applicants: NIKON-ESSILOR CO.,LTD.
株式会社ニコン・エシロール
Inventors: TAKESHITA Katsuyoshi
竹下 克義
Title: HARD COAT LAYER-FORMING COMPOSITION AND EYEGLASS LENS
Abstract:
Provided is a hard coat layer-forming composition with which it is possible to form a hard coat layer that has excellent abrasion resistance and causes little change in shape to the surface of a substrate on which the hard coat layer is disposed. This hard coat layer-forming composition is used for forming a hard coat layer on a substrate, and comprises a compound having multiple epoxy groups, a silsesquioxane compound having an oxetanyl group, a photo cationic polymerization initiator, and a thermal cationic polymerization initiator, wherein the contained amount of the silsesquioxane compound having an oxetanyl group exceeds 70 mass% with respect to the total mass of: the compound having multiple epoxy groups; and the silsesquioxane compound having an oxetanyl group.