PREMIX COMPOSITION FOR BITUMENS
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United States of America Patent
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Issued Date -
Apr 14, 2016
app pub date -
Apr 18, 2014
filing date -
Apr 25, 2013
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Abstract
A premix composition for bitumens, including: from 35% to 65%, by weight of the composition, of bitumen, from 5% to 65%, by weight of the composition, of a first copolymer of an alpha-olefin and of an unsaturated carboxylic acid ester, characterized in that it additionally includes from 5% to 65% by weight of a second copolymer of an alpha-olefin, an unsaturated epoxide and an unsaturated carboxylic acid ester and in that the aforesaid first copolymer and the aforesaid second copolymer represent between 35% and 65% by weight of said composition. Also, a bituminous mix including this composition and also the use of this composition for the preparation of such a mix.
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