Search International and National Patent Collections

1. (WO2018079518) POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OBTAINED FROM SAID COMPOSITION, AND METHOD FOR PRODUCING SAID COMPOSITION

Pub. No.:    WO/2018/079518    International Application No.:    PCT/JP2017/038276
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 25 01:59:59 CEST 2017
IPC: C08G 18/66
C08G 18/38
C08G 18/50
G02B 1/04
G02B 5/30
G02C 7/12
Applicants: MITSUI CHEMICALS, INC.
三井化学株式会社
Inventors: RYU Akinori
龍 昭憲
Title: POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OBTAINED FROM SAID COMPOSITION, AND METHOD FOR PRODUCING SAID COMPOSITION
Abstract:
Provided is a polymerizable composition for an optical material, the composition containing: (A) at least one kind of amine compound selected from among a compound (a1) represented by general formula (1) and a compound (a2) represented by general formula (2); (B) an iso(thio)cyanate compound having two or more iso(thio)cyanate groups; and (C) a polythiol compound containing a dithiol compound (c1) having two mercapto groups and a polythiol compound (c2) having three or more mercapto groups.