Molecular design of interpenetrating fluorinated polyimide network with enhanced high performance for heat-resistant matrix

Novel reactive phenylethynyl-endcapped diluents were synthesized and physically mixed with fluorinated cooligoimides (molecular weights of 5000 g/mol) derived from 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (6FDA), 2,2′-bis(trifluoromethyl)-4,4′-diamino biphenyl (TFDB) and para-phenyle...

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