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Title:
PHOTOPOLYMERIZABLE RESIN COMPOSITION FOR OPTICAL RECORDING MEDIA AND OPTICAL RECORDING MEDIA
Document Type and Number:
WIPO Patent Application WO/2002/014386
Kind Code:
A1
Abstract:
Provided are a photopolymerizable resin composition which does not cause a metal closely adhering to the composition to suffer from chemical deterioration, and optical recording media made by using the composition. According to the present invention, a resin layer (35) of an optical recording medium (1) is formed by photo- polymerization of a photopolymerizable resin composition containing benzotriazole as an additive, so that even when the resin layer (35) is made to adhere closely to a first reflecting layer (15) comprising silver as the main component, the reflecting layer (15) dose not suffer from chemical deterioration.

Inventors:
Konishi, Misao c/o Sony, Chemicals Corp Kanuma Jigyousho 1078 (Kamiishikawa Kanuma-shi Tochigi, 322-8503, JP)
Nakata, Yoshiaki c/o Sony, Chemicals Corp Kanuma Jigyousho 1078 (Kamiishikawa Kanuma-shi Tochigi, 322-8503, JP)
Application Number:
PCT/JP2001/006398
Publication Date:
February 21, 2002
Filing Date:
July 25, 2001
Export Citation:
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Assignee:
SONY CHEMICALS CORP. (Gate City Osaki East Tower 8F 1-11-2, Osaki Shinagawa-ku, Tokyo, 141-0032, JP)
Konishi, Misao c/o Sony, Chemicals Corp Kanuma Jigyousho 1078 (Kamiishikawa Kanuma-shi Tochigi, 322-8503, JP)
Nakata, Yoshiaki c/o Sony, Chemicals Corp Kanuma Jigyousho 1078 (Kamiishikawa Kanuma-shi Tochigi, 322-8503, JP)
International Classes:
C08K5/3477; C08F2/44; C08F2/50; C08F290/00; C08F299/00; C08L33/08; G03F7/027; G11B7/243; G11B7/245; G11B7/253; G11B7/254; G11B7/257; G11B7/258; G11B7/26; (IPC1-7): C08F20/10; C08F290/06; C08F2/50; G11B7/24
Domestic Patent References:
WO2000009620A12000-02-24
Foreign References:
JPH10287718A1998-10-27
JPH0586152A1993-04-06
JPH0559138A1993-03-09
JPH05255619A1993-10-05
JPH09235311A1997-09-09
JPH09286809A1997-11-04
JPH04175315A1992-06-23
JPH09161318A1997-06-20
EP0706178A21996-04-10
JPH0762267A1995-03-07
JPH06220131A1994-08-09
JPH05109118A1993-04-30
JPH0963122A1997-03-07
JP2000003531A2000-01-07
GB2265629A1993-10-06
JPS6156341A1986-03-22
US5141990A1992-08-25
Other References:
See also references of EP 1318158A4
Attorney, Agent or Firm:
Ishijima, Shigeo (Toranomonkougyou Building 3rd Floor 2-18, Toranomon 1-chome Minato-ku Tokyo, 105-0001, JP)
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