Title:
COMPOSITION FOR OPTICAL DISK-PROTECTING FILM
Document Type and Number:
WIPO Patent Application WO/2005/105871
Kind Code:
A1
Abstract:
Disclosed a composition for a protective film, in particular a composition for a protective film for optical disks which does not deteriorate in abrasion resistance even when no diluent solvent is used and exhibits low viscosity and low contractility. Specifically disclosed is a composition for optical disk-protecting films which is a composition for protective films mainly containing an ultraviolet-curable acrylic radical resin. This composition contains, as the raw materials for the acrylic radical resin, a multifunctional acrylic monomer, a multifunctional acrylic oligomer and a bifunctional acrylic monomer containing a repeating unit composed of an ethoxy group or a propoxy group, and a certain photopolymerization initiator is added thereto.
Inventors:
OGUNI KIICHIRO (JP)
Application Number:
PCT/JP2005/008235
Publication Date:
November 10, 2005
Filing Date:
April 28, 2005
Export Citation:
Assignee:
SONY CHEMICALS CORP (JP)
OGUNI KIICHIRO (JP)
OGUNI KIICHIRO (JP)
International Classes:
C08F220/20; C08F290/06; C09D4/00; C09D4/02; C09D4/06; C08F2/50; G11B7/254; (IPC1-7): C08F220/20; C08F2/50; C08F290/06; C09D4/02; G11B7/24
Foreign References:
| JPH10513594A | 1998-12-22 | |||
| JPH04227617A | 1992-08-17 | |||
| JPH04247338A | 1992-09-03 | |||
| JPH05135405A | 1993-06-01 | |||
| JP2000007741A | 2000-01-11 |
Other References:
See also references of EP 1741733A4
Attorney, Agent or Firm:
Abe, Hideki (3F 2-1, Toranomon 1-chome Minato-ku Tokyo 01, JP)
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