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Patent Searching and Data


Title:
RESIN COMPOSITION, RESIN COMPOSITION FOR LENS AND CURED PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2008/013217
Kind Code:
A1
Abstract:
Disclosed is a lens-shaped cured product which is excellent in releasability, shape reproducibility and adhesion, while having high refractive index. The lens shape of the cured product is hardly deformed when the cured product is exposed to force or temperature change. Also disclosed is a resin composition having good stability, which enables to obtain such a cured product. Specifically disclosed is a resin composition containing a polyfunctional (meth)acrylate (A) having three or more (meth)acryloyl groups in a molecule, a urethane (meth)acrylate (B) which is a reaction product of a diol compound (b-1) having a molecular weight of 48-1000, an aromatic polyisocyanate (b-2) and a hydroxylated (meth)acrylate (b-3), an o-phenylphenol polyethoxy acrylate (C) having an average repetition number of ethoxy groups of 1-3, and a photopolymerization initiator (D).

Inventors:
KIYOYANAGI, Noriko (Functional Chemicals R & D Laboratories31-12, Shimo 3-chom, Kita-ku Tokyo 88, 1158588, JP)
清柳 典子 (〒88 東京都北区志茂3-31-12 日本化薬株式会社 機能化学品研究所内 Tokyo, 1158588, JP)
OTA, Hideyuki (Functional Chemicals R & D Laboratories31-12, Shimo 3-chom, Kita-ku Tokyo 88, 1158588, JP)
Application Number:
JP2007/064648
Publication Date:
January 31, 2008
Filing Date:
July 26, 2007
Export Citation:
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Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA (11-2, Fujimi 1-chome Chiyoda-k, Tokyo 72, 1028172, JP)
日本化薬株式会社 (〒72 東京都千代田区富士見一丁目11番2号 Tokyo, 1028172, JP)
KIYOYANAGI, Noriko (Functional Chemicals R & D Laboratories31-12, Shimo 3-chom, Kita-ku Tokyo 88, 1158588, JP)
清柳 典子 (〒88 東京都北区志茂3-31-12 日本化薬株式会社 機能化学品研究所内 Tokyo, 1158588, JP)
International Classes:
C08F290/06; G02B1/04
Attorney, Agent or Firm:
KAWAGUCHI, Yoshio et al. (Kawaguti & Partners, Jochi Kioizaka Bldg.7-1 Kioi-ch, Chiyoda-ku Tokyo 94, 1020094, JP)
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