Wet Process for Recycling Asphalt Shingle in Asphalt Binder
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United States of America Patent
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Issued Date -
Nov 13, 2014
app pub date -
Mar 5, 2013
filing date -
Mar 5, 2013
priority date (Note) -
Abandoned
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Abstract
A new method is disclosed for recycling waste asphalt shingles in hot mix asphalt, i.e. asphalt pavement construction. Ground asphalt shingles are treated as a binder component instead of as an aggregate component. The recycled asphalt shingles that are blended with virgin binder in a wet process act both as a partial binder replacement and as a binder extender due to the presence of fillers, rubber, and fibers in the processed material.
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Cited Art Landscape
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