专利内容由知识产权出版社提供
专利名称：POLYMERIZABLE COMPOSITION FOR
OPTICAL MATERIALS, OPTICAL MATERIALOBTAINED FROM SAME, AND METHOD FORPRODUCING OPTICAL MATERIAL
发明人：ITO, Shinsuke,KAWATO, Nobuo,SUESUGI,
Kouji,KUMA, Shigetoshi,OGAWA,Tatsuya,HASHIMOTO, Toshiya,TANAKA,Mamoru
申请号：EP14775376.8申请日：20140326公开号：EP2980159A1公开日：20160203
摘要：The polymerizable composition for an optical material of the present inventioncontains (A) at least one kind of isocyanate having two or more isocyanato groups, whichcontains aromatic isocyanate, (B) at least one kind of alcohol having two or more hydroxylgroups, (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 tothe total molar number of primary and secondary hydroxyl groups contained in thealcohol (B) is equal to or greater than 50%, and the benzotriazole-based compound (D) iscontained in an amount of 1 part by weight to 11 parts by weight with respect to a totalof 100 parts by weight of the isocyanate (A) and the alcohol (B).
申请人：Mitsui Chemicals, Inc.
地址：5-2, Higashi-Shimbashi 1-chome Minato-ku Tokyo 105-7117 JP
国籍：JP
代理机构：Wills, Andrew Jonathan
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