发明名称 |
NOVEL ACID DIANHYDRIDE, METHOD FOR PREPARING SAME, AND POLYIMIDE PREPARED THEREFROM |
摘要 |
The present invention relates to a novel acid dianhydride, a method for preparing the same, and a polyimide prepared therefrom. More specifically, the acid dianhydride according to the present invention is useful as a colorless transparent polyimide unit exhibiting excellent thermal stability and a low dielectric ratio, and the polyimide of the present invention has excellent solubility to an organic solvent compared with the conventional polyimide. |
申请公布号 |
EP2998302(A1) |
申请公布日期 |
2016.03.23 |
申请号 |
EP20140797631 |
申请日期 |
2014.05.16 |
申请人 |
KOLON INDUSTRIES, INC. |
发明人 |
PARK, HYO JUN;JUNG, HAK GEE;HA, CHANG SIK;TAPASWI, PRDIP KUMAR;JEONG, YOUNG SIK |
分类号 |
C07D407/06;C08G73/10;C08L79/04 |
主分类号 |
C07D407/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|