Brief review of the chemistry of polyphosphoric acid (PPA) and bitumen

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DOIResolve DOI: http://doi.org/10.1021/ef800120x
AuthorSearch for:
TypeArticle
Journal titleEnergy & Fuels
Volume22
IssueJune 4
Pages26372640; # of pages: 4
Subjectbitumen, asphalt, modification, reaction, polyphosphoric acid, review; Roads/Pavement
AbstractBitumen finds great use in paving and roofing applications. To enhance or extend its performance, it is often modified with a polymer, including polyphosphoric acid (PPA). PPA is a reactive oligomer, a short chain polymer, whose reaction with bitumen is poorly understood. In an effort to better understand their reaction, the chemical characteristics of PPA and bitumen are reviewed. It is concluded that PPA cannot dissociate and react with bitumen unless enclaves of high dielectric constant exist in bitumen.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number47711
19351
NPARC number20377099
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Record identifier3b713eef-a0b9-4000-a2df-50a26cc588a8
Record created2012-07-24
Record modified2016-05-09
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