9,9-bis(perfluoroalkyl)xanthene,...

Details 9,9-bis(perfluoroalkyl)xanthene,... 9,9-bis(perfluoroalkyl)xanthene,...

C - Chemistry, Metallurgy

07

D

C07D 311/82 (2006.01) C07D 493/14 (2006.01) C08G 18/77 (2006.01) C08G 63/193 (2006.01) C08G 63/682 (2006.01) C08G 64/10 (2006.01) C08G 73/10 (2006.01)

Patent

CA 2042894

PE-0152 TITLE 9,9-BIS(PERFLUOROALKYL)XANTHENE, 9-ARYL-9- PERFLUOROALKYLXANTHENE, MONOMERS AND POLYMERS DERIVED THEREFROM ABSTRACT 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

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