| 摘要 |
PE-0152 TITLE 9,9-BIS(PERFLUOROALKYL)XANTHENE, 9-ARYL-9- PERFLUOROALKYLXANTHENE, MONOMERS AND POLYMERS DERIVED THEREFROM Disclosed are rigid fluorinated monomers, their preparation, and polymers derived therefrom based on two novel tricyclic xanthene core system, 9,9-bis- (perfluoroalkyl)xanthene (I) and 9-phenyl-9-perfluoro-alkylxanthene (II). The monomers have utility in the preparation of advanced high-performance polymers, particularly polyimides. 47
|
