▎ 摘　　要

NOVELTY - Composite material comprises a thermoplastic resin mixed with a polypropylene-graft-maleic anhydride (PPgMA), and multiple carbon particles mixed in combination, the multiple carbon particles include a first region having a relatively low concentration of carbon particles per unit volume and a second region having a relatively high concentration of carbon particles per unit volume, at least multiple carbon particles have exposed carbon surfaces with carbon atoms oxidized with one or more oxygen-containing groups and bonded to molecular sites on adjacent PPgMA molecules, multiple carbon particles are formed from one or more of multiple interconnected crinkled three-dimensional (3-D) graphene sheets and/or multiple non-hollow carbonaceous spherical particles (NHCS), where the composite material comprises 80-90 wt.% thermoplastic resin, 0.5-15 wt.% PPgMA, and 0.1-7 wt.% multiple carbon particles. USE - Composite material for constructing and/or forming buildings, bridges, or structures e.g., boat hulls and swimming pool panels, racing car bodies, shower stalls, bathtubs, storage tanks, imitation granite, cultured marble sinks, and countertops, used in general automotive applications, such as exposed paneling and impact absorption e.g., for bumpers. ADVANTAGE - The material has a viscosity of 500-2,100 pascal-seconds (Pa-s), a flexural modulus of 107,500-117,500 pounds per square inch (PSI) at a temperature of 23° C under ASTM D790at a 1 wt.% secant modulus value, has a tunable melt flow rate 4-8 g/min at 190 °C, 500 wt.% maximum tensile elongations, and has increased a flexural modulus or a tensile strength, the multiple carbon particles have a pore volume between 0.05-1.5 cm3/g. It has a higher thickness and provides a sandwich composite with relatively high bending stiffness while maintaining a relatively low density which has increased efficiency for polymer waste recycling while maintaining overall throughput sustainability, has developed high-performance and cost-effective products, such as by using reactive and/or non-reactive compatibilization techniques to increase a brittle to ductile transition for the PE/PP blends.