Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue
Patent
1998-10-15
1999-06-15
Brunsman, David
Compositions: coating or plastic
Coating or plastic compositions
Bituminous material or tarry residue
1062811, 404 72, 427138, C07D19500
Patent
active
059118172
ABSTRACT:
Mineral lubricant base oils (e.g., neutral oils) can be added to asphalt composition to improve low temperature properties at low addition rates (e.g., oil 1-5%). Rerefined oils (boiling above about 177.degree. C. (350.degree. F.)) have the same properties as virgin mineral lubricant base oils, but most rerefmed oils are too dark in color to be used as lube oil base stocks. Their use in asphalt would be ideal as color is not a problem and they are much cheaper in cost than virgin base oils. This can permit disposing of rerefined motor oil. The resulting asphalt compositions exhibit important improvements in low temperature properties, resistance to thermal cracking and expanded useful temperature range.
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Brunsman David
Hobbes Laurence P.
Marathon Ashland Petroleum LLC
Stone Richard D.
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