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Title:
HARD COAT LAYER-FORMING COMPOSITION AND EYEGLASS LENS
Document Type and Number:
WIPO Patent Application WO/2018/124204
Kind Code:
A1
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.

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Inventors:
TAKESHITA KATSUYOSHI (JP)
Application Number:
PCT/JP2017/046979
Publication Date:
July 05, 2018
Filing Date:
December 27, 2017
Export Citation:
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Assignee:
NIKON ESSILOR CO LTD (JP)
International Classes:
G02B1/14; B32B27/20; B32B27/38; C09D7/40; C09D163/00; C09D183/06; G02C7/02
Foreign References:
JP2004285248A2004-10-14
JP2010515778A2010-05-13
JP2009256563A2009-11-05
JP2010515778A2010-05-13
JP2009256563A2009-11-05
Other References:
See also references of EP 3564714A4
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (JP)
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