发明名称 |
COMPOSITION FOR OPTICAL MATERIAL |
摘要 |
<p>The composition for optical materials of the present invention comprises a compound having in one molecule at least one structure represented by the following formula (1): <CHEM> wherein R<1>, R<2>, R<3>, R<4>, X, Y and n are as defined in the disclosure, an amine compound and an isocyanate compound. Resins obtained by curing the composition by polymerization are useful as well-balanced optical materials having a high impact resistance, a high refractive index and a sufficiently high Abbe's number.</p> |
申请公布号 |
EP1426392(A1) |
申请公布日期 |
2004.06.09 |
申请号 |
EP20020765353 |
申请日期 |
2002.08.27 |
申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
YOSHIMURA, Y.;TAKEUCHI, M.;NAKAGAWA, K. |
分类号 |
G02B1/04;C08G18/32;C08G18/38;C08G18/75;(IPC1-7):G02B1/04;C08G18/00 |
主分类号 |
G02B1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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