(1,4-Bis-(4-bromobenzoyl)benzene) as the monomer has been synthesized and characterized by Friedel-Crafts benzoylation reaction.Novel poly(imino ketone)s(PIKs) as high performance polymers have been obtained by ...(1,4-Bis-(4-bromobenzoyl)benzene) as the monomer has been synthesized and characterized by Friedel-Crafts benzoylation reaction.Novel poly(imino ketone)s(PIKs) as high performance polymers have been obtained by the condensation polymerization of(1,4-bis-(4-bromobenzoyl)benzene) and aromatic diamines via palladium-catalyzed aryl amination reaction.The strcture of PIKs is characterized by means of FT-IR and()1H-NMR spectroscopy,and the results show an agreement with the proposed structure.DSC and TG measurements show that PIKs possess high glass transition temperature(Tg>230℃) and good thermal stability with high decomposition temperatures(TD>500℃).PIKs also exhibit the excellent solubility,PIK-3 can be dissolved in common organic solvent CHCl3 at room temperature(20℃).展开更多
文摘(1,4-Bis-(4-bromobenzoyl)benzene) as the monomer has been synthesized and characterized by Friedel-Crafts benzoylation reaction.Novel poly(imino ketone)s(PIKs) as high performance polymers have been obtained by the condensation polymerization of(1,4-bis-(4-bromobenzoyl)benzene) and aromatic diamines via palladium-catalyzed aryl amination reaction.The strcture of PIKs is characterized by means of FT-IR and()1H-NMR spectroscopy,and the results show an agreement with the proposed structure.DSC and TG measurements show that PIKs possess high glass transition temperature(Tg>230℃) and good thermal stability with high decomposition temperatures(TD>500℃).PIKs also exhibit the excellent solubility,PIK-3 can be dissolved in common organic solvent CHCl3 at room temperature(20℃).