Bituminous composition comprising polymers

Details Bituminous composition comprising polymers Bituminous composition comprising polymers

C - Chemistry, Metallurgy

08

L

400/1611

C08L 95/00 (2006.01) C08L 53/00 (2006.01) C08L 53/02 (2006.01)

Patent

CA 1225177

A B S T R A C T A BITUMINOUS COMPOSITION COMPRISING POLYMERS The invention relates to a bituminous composition having improved stability and comprising: (a) 100-30 %w of a mixture of (1) 40-99.8 %w of a bituminous component having a penetration of less than 800 (0.1 mm) at 25 °C, (2) 0.1-50 %w of a block copolymer having at least one thermoplastic monoalkenyl arene polymer block A and at least one elastomeric conjugated diene block B, and (3) 0.1-10.0 %w of a polystyrene-poly(ethylene-propylene) diblock copolymer. (b) 0-70 %w of a filler.

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