发明名称 POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, OPTICAL MATERIAL OBTAINED FROM SAME, AND METHOD FOR PRODUCING OPTICAL MATERIAL
摘要 The polymerizable composition for an optical material of the present invention contains (A) at least one kind of isocyanate having two or more isocyanato groups, which contains aromatic isocyanate, (B) at least one kind of alcohol having two or more hydroxyl groups, (C) an acidic phosphoric acid ester represented by the following Formula (1), and (D) a benzotriazole-based compound, in which a ratio of secondary hydroxyl groups to the total molar number of primary and secondary hydroxyl groups contained in the alcohol (B) is equal to or greater than 50%, and the benzotriazole-based compound (D) is contained in an amount of 1 part by weight to 11 parts by weight with respect to a total of 100 parts by weight of the isocyanate (A) and the alcohol (B).
申请公布号 EP2980159(A4) 申请公布日期 2016.10.05
申请号 EP20140775376 申请日期 2014.03.26
申请人 MITSUI CHEMICALS, INC. 发明人 ITO, SHINSUKE;KAWATO, NOBUO;SUESUGI, KOUJI;KUMA, SHIGETOSHI;OGAWA, TATSUYA;HASHIMOTO, TOSHIYA;TANAKA, MAMORU
分类号 C08G18/48;C08G18/16;C08G18/66;C08K5/3432;C08K5/521;C08L75/04;G02B1/04;G02C7/12 主分类号 C08G18/48
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