Poly(lactic acid) (PLA) was reactively combined with polycarbonate cassava starch (TPCS) as well as functionalized with industrial graphene (GRH) nanoplatelets in a twin-screw extruder, as well as movies were produced by cast-film extrusion. Responsive compatibilization in between PLA and also TPCS phases was reached by presenting maleic anhydride and a peroxide radical throughout the responsive blending extrusion process. Movies with improved prolongation at break and sturdiness for neat PLA as well as PLA-g-TPCS reactive blends were acquired by an addition of GRH nanoplatelets. Strength of the PLA-g-TPCS-GRH was boosted by ~ 900% and also ~ 500% when compared to cool PLA and PLA-g-TPCS, specifically. Crack bridging was established as the key device in charge of the enhancement in the mechanical residential or commercial properties of PLA as well as PLA-g-TPCS in the visibility of the nanofiller due to the high element proportion of GRH. Checking electron microscopy images showed a non-uniform distribution of GRH nanoplatelets in the matrix. Transmittance of the reactive blend movies decreased as a result of the TPCS phase. Worths acquired for the reactive blends revealed ~ 20% transmittance. PLA-GRH as well as PLA-g-TPCS-GRH revealed a reduction of the oxygen permeability coefficient relative to PLA of around 35% and 50%, respectively. Thermal buildings, molecular framework, surface area roughness, XRD pattern, electrical resistivity, as well as shade of the films were also assessed. Biobased and compostable reactive blend movies of PLA-g-TPCS intensified with GRH nanoplatelets can be appropriate for food product packaging as well as farming applications.