Title:
RESIN COMPOSITION AND OPTICAL ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2003/070798
Kind Code:
A1
Abstract:
A resin composition which exhibits optical performances such as high refractive index and is excellent in recovery properties, mar resistance, and adhesion to a substrate and which exerts various satisfactory performances when used as optical elements (such as lenses) of projection television screens or the like; and cured articles thereof. The composition comprises an epoxy (meth)acrylate oligomer having an average molecular weight of 1500 or below, a copolymer of a (meth)acrylic ester and styrene or &agr -methylstyrene, a thermoplastic urethane elastomer, a (meth)acrylic ester monomer, and a photo- polymerization initiator.
Inventors:
DOI YASUHIRO (JP)
TANIMURA TOSHIYUKI (JP)
NAKAO NOBUAKI (JP)
TANIMURA TOSHIYUKI (JP)
NAKAO NOBUAKI (JP)
Application Number:
PCT/JP2003/001889
Publication Date:
August 28, 2003
Filing Date:
February 20, 2003
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
INCTEC INC (JP)
DOI YASUHIRO (JP)
TANIMURA TOSHIYUKI (JP)
NAKAO NOBUAKI (JP)
INCTEC INC (JP)
DOI YASUHIRO (JP)
TANIMURA TOSHIYUKI (JP)
NAKAO NOBUAKI (JP)
International Classes:
C08F283/00; C08F290/06; C08L33/06; C08L33/08; C08L33/10; C08L35/06; C08L63/10; C08L75/04; G02B1/04; (IPC1-7): C08F290/06; G02B3/00; G02B3/08
Foreign References:
| US6335079B1 | 2002-01-01 | |||
| JPH11171941A | 1999-06-29 | |||
| JPH08165316A | 1996-06-25 | |||
| JPH07233227A | 1995-09-05 | |||
| JPH05117348A | 1993-05-14 |
Other References:
See also references of EP 1484347A4
Attorney, Agent or Firm:
Yoshitake, Kenji (Room 323 Fuji Bldg., 2-3, Marunouchi 3-chom, Chiyoda-ku Tokyo, JP)
Download PDF: