▎ 摘　　要

NOVELTY - Amine functionalized graphene reinforced bi-coumarin based heterocyclic polyamide nanocomposite material (V) comprises (c) polymeric matrix, where polymer is polyamide (IV), and (d) graphite nanofillers dispersed in polymer matrix, where the graphite nanofiller is amine functionalized graphene (II). USE - The nanocomposite material is useful in bacterial material coating, adsorbent for removal of toxic metal ions in mechanical industries, electronics, energy devices, textiles and sports industries. ADVANTAGE - The nanocomposite material has excellent mechanical strength and is thermally stable. DETAILED DESCRIPTION - Amine functionalized graphene reinforced bi-coumarin based heterocyclic polyamide nanocomposite material comprises (c) polymeric matrix, where polymer is polyamide of formula (IV), and (d) graphite nanofillers dispersed in polymer matrix, where the graphite nanofiller is amine functionalized graphene of formula (II). The amine graphene-polyamide nanocomposite is of formula (V). A = aromatic moieties of formulae (IIIa) and (IIIb), benzene-1,3-diyl (IIIc) or aromatic ketone moiety of formula (IIId); and n = not defined.