Edge-selectively grafted graphite (EGG) with poly(ether-ketone) was prepared by the Friedel–Crafts acylation in a mild polyphosphoric acid (PPA)–phosphorous pentoxide (P2O5) mixture. The homogeneous reaction dope was coagulated in air moisture at different temperatures. The morphology of expanded EGG was changed from balls, balls/rods and rods with respect to coagulation temperatures of 80, 60, 40 and 25 °C, respectively.
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