Mixed Design Optimization of Polymer-Modified Asphalt Mixtures (PMAs) Containing Carton Plastic Packaging Wastes

This study investigated the potential of reusing plastics derived from multilayered food carton recycling processes as a modifier for asphalt mixtures by dry process. Two types plastics, one untreated and pelletized, were added to mixture containing neat binder using three different methods in two amounts (2 5% weight aggregates). The chemical physical properties explored via differential scanning calorimetry (DSC) laser diffraction granulometry. fracture behavior polymer-modified (PMA) was evaluated superpave indirect tensile (IDT) testing at 10 °C comparative analysis with reference composed same aggregate curve traditional styrene–butadiene–styrene (SBS)-modified binder. role plastic during crack initiation propagation microscopic analysis. results show that can be successfully used an additive method due compatibility between their melting mixing temperatures. shape influences cracking resistance mixture. Finally, presence reduces proneness accumulate deformation (about 50% less than ones) increases failure resistance, leading better response intermediate