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Brief review of the chemistry of polyphosphoric acid (PPA ...

Bitumen finds great use in paving and roofing applications. To enhance or extend its ... alkyl chains on aromatic nuclei providing for entanglements and viscoelastic properties. In contrast to viscoelastic polymers, however, bitumen molecules do not have identical ... Other examples are provided in Table 3. The production of PPA provides a ...

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  Applications, Chemistry, Example, Acid, Viscoelastic, Polyphosphoric, The chemistry of polyphosphoric acid

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