Binder modified with glycerol for making asphalt mixes with a hicontent of recycled bituminous materials
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United States of America Patent
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Aug 25, 2015
Grant Date -
May 15, 2014
app pub date -
Apr 25, 2013
filing date -
Nov 14, 2012
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Abstract
The present invention generally relates to asphalt mixes with a high content of recycled bituminous materials including a binder modified with glycerol. The present invention further relates to a method for preparing the asphalt mixes and to the use of the asphalt mixes as materials for making courses and/or surfacing for road construction and/or civil engineering. The present invention also relates to the use of glycerol as a correcting agent for the workability and/or of the thermal cracking resistance and/or of the rutting resistance of an asphalt mix with a high content of recycled bituminous materials.
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