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Title:
OPTICAL ARTICLE AND METHOD FOR PRODUCING OPTICAL ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/132050
Kind Code:
A1
Abstract:
Provided is an optical article including, in the following order: a base material; a primer layer obtained by curing a polymerizable composition for forming a primer layer; and a photochromic layer obtained by curing a (meth)acrylate-based polymerizable composition containing a photochromic compound, wherein the polymerizable composition for forming a primer layer contains a polyisocyanate as component A, and a hydroxyl group-containing (meth)acrylate as component B.

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Inventors:
SHIMADA TAKUYA (JP)
KOBAYASHI KEI (JP)
YAMASHITA TERUO (JP)
WATANABE TSUYOSHI (JP)
Application Number:
PCT/JP2020/047321
Publication Date:
July 01, 2021
Filing Date:
December 18, 2020
Export Citation:
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Assignee:
HOYA LENS THAILAND LTD (TH)
SHIMADA TAKUYA (JP)
KOBAYASHI KEI (JP)
YAMASHITA TERUO (JP)
WATANABE TSUYOSHI (JP)
International Classes:
C08F20/10; C08F299/02; C08G18/67; C09D4/02; C09D5/00; C09K9/02; G02B5/23; G02C7/10
Domestic Patent References:
WO2015016313A12015-02-05
WO2019189855A12019-10-03
Foreign References:
JP2016047911A2016-04-07
JP2020164839A2020-10-08
JP2005218994A2005-08-18
US5645767A1997-07-08
Other References:
See also references of EP 4083080A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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