Reclaimed asphalt pavement containing polyphosphoric acid modified binder
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United States of America Patent
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Dec 9, 2014
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N/A
app pub date -
Jun 18, 2010
filing date -
Jun 19, 2009
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Abstract
Pavement compositions containing increased amounts of reclaimed asphalt pavement (RAP) are described. Addition of polyphosphoric acid (PPA) to pavement compositions containing RAP allows increased RAP content in road pavements while maintaining acceptable properties in the final pavement composition. Methods for producing road pavements containing RAP and PPA are also provided.
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