Abstract
Phosphogypsum has received increasing attention for solid waste with high production and environmental pollution. This study treated phosphogypsum with the silane coupling agent 3-(methacryloyloxy) propyltrimethoxysilane (KH570) to create modified HDPE/phosphogypsum composites. The modified phosphogypsum was then melted and blended with high-density polyethylene (HDPE). Thermal weight loss (TG), differential scanning calorimetry (DSC), and rheological and mechanical property testing were used to study the impact of the changed phosphogypsum content on the properties of the composites. The outcomes demonstrate that even at low filling levels, the modified phosphogypsum may be evenly distributed throughout the matrix. Furthermore, the addition of increased phosphogypsum filling enhances the mechanical characteristics of the HDPE matrix.
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