Mixtures of bitumen and polymer compositions suitable for the modification of bitumens
作者： Vittorio Braga , Carlo Giavarini
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摘要: A mixture containing bitumen and a polymer composition, characterized in that the composition comprises: A) 10-40 parts by weight of an isotactic propylene homopolymer, or random copolymer with ethylene and/or C4 -C10 α-olefin; B) 0-20 fraction ethylene, which is insoluble xylene at ambient temperature; C) 50-80 α-olefin, said being soluble temperature having intrinsic viscosity greater than 1.5 up to 2.2 dl/g 20 45 wt. % ethylene.
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