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Title:
ULTRAVIOLET CURABLE RESIN COMPOSITION, CURED PRODUCT AND OPTICAL DISC
Document Type and Number:
WIPO Patent Application WO/2011/052119
Kind Code:
A1
Abstract:
Disclosed is a novel ultraviolet curable resin composition which contains (A) a polysulfide compound, preferably a polysulfide compound represented by general formula (1) (wherein n represents an integer of 2-6; R1, R2, R3 and R4 each independently represents a hydrogen atom or an alkyl group having 1-10 carbon atoms; and Xs each represents an oxygen atom or a sulfur atom), (B) a photopolymerizable compound and (C) a photopolymerization initiator. The resin composition is suitable for a resin coating layer of an optical disc (for example, an adhesive layer of a bonded DVD or a light-transmitting layer of a Blu-ray disc). In particular, the resin composition is capable of improving the durability of an optical disc, which has a reflective film that is formed from silver or a silver alloy, by the action of the polysulfide compound.

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)
TSUTSUMI, Hiroki (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
堤 裕貴 (〒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)
Application Number:
JP2010/005026
Publication Date:
May 05, 2011
Filing Date:
August 10, 2010
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)
TSUTSUMI, Hiroki (31-12 Shimo 3-chome, Kita-k, Tokyo 88, 〒1158588, JP)
堤 裕貴 (〒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:
C08F2/44; C08F290/06; C09D4/02; C09J4/02; G11B7/254; G11B7/257; G11B7/258; 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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