Moderating Effects of Paraffin Wax on Interactions between Polyphosphoric Acid and Bitumen Constituents
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DOI: 10.1021/acssuschemeng.9b05008
Abstract: Despite the merits of using polyphosphoric acid (PPA) in modification of bitumen, its desirable stiffening effect on bitumen is totally composition-dependent. While asphaltenes and resins are correctly introduced as the immediate components affected by PPA,… read more here.
Keywords: ppa; wax; moderating effects; polyphosphoric acid ... See more keywords