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Asphalt Institute - Materials Technical Issues
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Materials Technical Issues |
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| Polyphosphoric Acid Modification of Asphalt
- Workshop on PPA Modification of Asphalt Binders
A national workshop on Polyphosphoric Acid Modification of Asphalt Binders was conducted in Minneapolis, MN on April 7-8, 2009. The workshop was jointly sponsored by the Transportation Research Board (TRB), Federal Highway Administration, Minnesota Department of Transportation, TERRA, Association of Modified Asphalt Producers, Innophos, ICL Performance Products, and the Asphalt Institute. All the speaker presentations (both slides and webcast videos) are now available for public viewing at the following link. https://engineering.purdue.edu/NCSC/PPA%20Workshop/2009/index.html
The Asphalt has a publication on poloymer modification of asphalt: PPA Modification of Asphalt - IS-220.
The TRB also plans on publishing a circular of papers from the Workshop.
- Overview of the Asphalt Institute publication, PPA Modification of Asphalt - IS-220 (172 kb)
- Important Note When Recovering Binders Containing PPA (32 kb)
- Rutting and Moisture Resistance of Asphalt Mixtures Containing Polymer and Polyphosphoric Acid Modified Bitumen (202 kb)
- Moisture Sensitivity of Acid Modified Asphalt & Mixtures With & Without Anti-Stripping Agents (4.2 mb)
Moisture Sensitivity
Mixes
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