| 发明名称 |
Resin composition for optical material |
| 摘要 |
An optical material having a high birefringence and a small absolute value of a photoelastic coefficient is provided by use of a resin composition for an optical material comprising a resin (a) having a positive photoelastic coefficient and a negative inherent birefringence and a resin (b) having a negative photoelastic coefficient and a negative inherent birefringence.
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| 申请公布号 |
US7985803(B2) |
申请公布日期 |
2011.07.26 |
| 申请号 |
US20080078478 |
申请日期 |
2008.03.31 |
| 申请人 |
ASAHI KASEI CHEMICALS CORPORATION |
发明人 |
YONEZAWA JUN;KOBAYASHI EIKO;KURAMITSU MASAHITO;FUKUOKA YUKO;KUBO KIMIHIRO;SHIRAI HIROSHI |
| 分类号 |
C08L33/02;C08L33/04;C08L33/18;C08L33/20;C08L35/02 |
主分类号 |
C08L33/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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