| 发明名称 |
Fluoridated monomers based on 9-phenyl-9-perfluoroalkylxanthene |
| 摘要 |
Disclosed are rigid fluorinated monomers 9-phenyl-9-perfluoroalkylxanthene <IMAGE> (II) . The monomers have utility in the preparation of advanced high-performance polymers, particularly polyimides.
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| 申请公布号 |
US5202446(A) |
申请公布日期 |
1993.04.13 |
| 申请号 |
US19910718932 |
申请日期 |
1991.06.21 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
TROFIMENKO, SWIATOSLAW |
| 分类号 |
C07D311/82;C07D493/14;C08G18/77;C08G63/682;C08G64/10;C08G73/10 |
主分类号 |
C07D311/82 |
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