Chemical grafting of waste polystyrene with acrylic acid and subsequent amine functionalization to enhance polystyrene modified bitumen characteristics.

Sci Rep · 2026 · PMC13272586 · PMID 42304056

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a clear trendno p-value reported

The results reveal a clear trend: as the PS-g-AM concentration increases from 3% to 10%, the bitumen penetration value decreases noticeably, going from 62 dm for pure bitumen to 35 dm at 10wt% of PS-g-AM.

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