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Title:
PHOTOCURABLE COMPOSITION AND OPTICAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2017/098798
Kind Code:
A1
Abstract:
According to the present invention, it is possible to provide a photocurable composition which comprises a cyclic compound (a) represented by formula (1), an episulfide compound (b), and a photopolymerization initiator (c). In a preferred embodiment, the proportion of the cyclic compound (a) in the photocurable composition is 5-80 mass%, the proportion of the episulfide compound (b) is 20-95 mass%, and the proportion of the photopolymerization initiator (c) is 0.1-10 parts by mass per 100 parts by mass of the sum of the cyclic compound (a) and the episulfide compound (b). (In the formula, C represents a carbon atom, X represents S, Se, or Te, and a to f are integers of 0-3, provided that 8≥(a+c+e)≥1, 8≥(b+d+f)≥2, and (b+d+f)≥(a+c+e).)

Inventors:
NAMIKI Kousuke (Inc. Tokyo Research Laboratory, 1-1, Niijuku 6-chome, Katsushika-k, Tokyo 01, 〒1258601, JP)
IMAGAWA Yousuke (Inc. Tokyo Research Laboratory, 1-1, Niijuku 6-chome, Katsushika-k, Tokyo 01, 〒1258601, JP)
KOSHIISHI Eiji (MITSUBISHI Building, 5-2 Marunouchi 2-chome, Chiyoda-k, Tokyo 24, 〒1008324, JP)
FURUKAWA Kikuo (Inc. Tokyo Research Laboratory, 1-1, Niijuku 6-chome, Katsushika-k, Tokyo 01, 〒1258601, JP)
HORIKOSHI Hiroshi (Inc. Tokyo Research Laboratory, 1-1, Niijuku 6-chome, Katsushika-k, Tokyo 01, 〒1258601, JP)
Application Number:
JP2016/079911
Publication Date:
June 15, 2017
Filing Date:
October 07, 2016
Export Citation:
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Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC. (5-2 Marunouchi 2-chome, Chiyoda-ku Tokyo, 24, 〒1008324, JP)
International Classes:
C08G75/06; C08G79/00; G02B1/04
Domestic Patent References:
WO2014208656A12014-12-31
Foreign References:
JP2002040201A2002-02-06
JP2002090502A2002-03-27
JP2003238562A2003-08-27
JP2011038050A2011-02-24
JP2004256566A2004-09-16
Attorney, Agent or Firm:
KOBAYASHI Hiroshi et al. (ABE IKUBO & KATAYAMA, Fukuoka Bldg. 9th Fl. 8-7, Yaesu 2-chome, Chuo-k, Tokyo 28, 〒1040028, JP)
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