Premix composition for bitumens
AssigneeArkema France
InventorsVincent Palluault, Sebastien Quinebeche
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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.
Claims13
A premix composition for bituminous mixes comprising:
- from 35% to 65%, by weight of the composition, of bitumen,
- from 5% to 65%, by weight of the composition, of a first copolymer (A) of an alpha-olefin and of an unsaturated carboxylic acid ester, and
- from 5% to 65% by weight of a second copolymer (B) of an alpha-olefin, of an unsaturated epoxide and of an unsaturated carboxylic acid ester,
- wherein the aforesaid first copolymer (A) and the aforesaid second copolymer (B) represent between 35% and 65% by weight of said composition.
Dependencies are inferred from the claim text.