Title:
IONIZING RADIATION CURING TYPE RESIN COMPOSITION FOR FRESNEL LENS AND TRANSLUCENT SCREEN
Document Type and Number:
Japanese Patent JPH11240926
Kind Code:
A
Abstract:
To obtain an ionizing radiation curing resin composition suitable for producing an optical part such as a Fresnel lens, etc., being hardly damaged, having a high refractive index.
This ionizing radiation curing resin composition for a Fresnel lens comprises (A) a bisphenol A type epoxy (meth)acrylate of the formula (R is H or CH3; (n) is an integer of ≥1), (B) a monofunctional (meth)acrylate, (C) a difunctional (meth)acrylate and (D) a polymer and has ≥1.55 refractive index after curing.
Inventors:
OSAWA FUTOSHI
MUKOYAMA TOMOAKI
MORI MASAYUKI
MUKOYAMA TOMOAKI
MORI MASAYUKI
Application Number:
JP4506498A
Publication Date:
September 07, 1999
Filing Date:
February 26, 1998
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
INCTEC INC
INCTEC INC
International Classes:
C08F2/44; C08F2/46; C08F220/10; C08F290/06; C08L63/10; G02B1/04; G02B3/08; G03B21/62; (IPC1-7): C08F290/06; C08F2/44; C08F2/46; C08F220/10; G02B1/04; G02B3/08; G03B21/62
Attorney, Agent or Firm:
Akira Yonezawa (7 others)
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