SULFUR EXTENDED ASPHALT MODIFIED WITH CRUMB RUBBER FOR PAVING AND ROOFING
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United States of America Patent
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app pub date -
Oct 2, 2015
filing date -
Aug 14, 2013
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Abandoned
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Abstract
The present invention relates to asphalt compositions. The present invention provides for a sulfur rubber asphalt binder composition that includes a base asphalt having a softening point, elemental sulfur, and a crumb rubber material. The crumb rubber material is combined with the base asphalt and the elemental sulfur to create the sulfur rubber asphalt binder composition. The crumb rubber material is present in the sulfur rubber asphalt binder in an amount effective to increase the softening point as compared to the softening point of the base asphalt.
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