Modified asphalt binders and asphalt paving compositions
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United States of America Patent
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Jan 1, 2013
Grant Date -
May 5, 2011
app pub date -
Sep 14, 2010
filing date -
Dec 29, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A modified asphalt binder composition prepared by combining asphalt binder, phosphorus pentasulfide, and less than 2.5 parts by weight unsaturated polymer, per 100 parts by weight asphalt binder, to thereby produce a modified asphalt binder composition characterized by an elongation recovery at 25° C., as determined according to AASHTO T301, of greater than 75%.
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Cited Art Landscape
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