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Title:
OPTICAL DISC HAVING ORGANIC PIGMENT RECORDING LAYER, AND UV-CURABLE RESIN COMPOSITION THEREFOR
Document Type and Number:
WIPO Patent Application WO/2011/093089
Kind Code:
A1
Abstract:
Disclosed is an optical disc having an interfacial layer on an organic pigment recording layer, and on the interfacial layer, a cured resin layer made from a UV-curable resin composition containing: (A) a (meth)acrylate (excluding urethane acrylate) having a structure represented by formula (1) below (where n is an integer from 1 to 10); (B) a photopolymerization initiator; and (C) methacrylate other than (A). Also disclosed is a UV-curable resin composition for said optical disc. Said disc has outstanding recording signal characteristics and durability.

Inventors:
KOBAYASHI, Daisuke (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
小林 大祐 (〒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)
NAITOU, Masahiro (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
内藤 正弘 (〒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)
KIDOBA, Jun (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
Application Number:
JP2011/000464
Publication Date:
August 04, 2011
Filing Date:
January 28, 2011
Export Citation:
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Assignee:
NIPPONKAYAKU KABUSHIKIKAISHA (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)
KOBAYASHI, Daisuke (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
小林 大祐 (〒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)
NAITOU, Masahiro (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
内藤 正弘 (〒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:
G11B7/254; G11B7/244; G11B7/257; G11B7/26
Attorney, Agent or Firm:
SAEKI, Norio (4th Floor, Aminosan Kaikan Building 15-8, Nihonbashi 3-chome, Chuo-k, Tokyo 27, 〒1030027, JP)
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Claims: