| 发明名称 |
composição polimerizável para material ótico, material ótico e processo para produção de material ótico |
| 摘要 |
A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms and one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate, is provided. |
| 申请公布号 |
BR112012002657(A2) |
申请公布日期 |
2016.03.22 |
| 申请号 |
BR20121102657 |
申请日期 |
2010.08.04 |
| 申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
AKINORI RYU;SEIICHI KOBAYASHI |
| 分类号 |
C08G18/38;G02B1/04;G02C7/02;G02C7/10 |
主分类号 |
C08G18/38 |
| 代理机构 |
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