Bitumenous compositions

Details Bitumenous compositions Bitumenous compositions

C - Chemistry, Metallurgy

08

L

400/1337, 400/14

C08L 95/00 (2006.01)

Patent

CA 1256619

Abstract Bitumenous Compositions Bitumen modified with a modifier system comprising an elastomeric component comprising ethylene-propylene copolymer, a polyolefin component containing polyethylene and optionally polypropylene, a plasticizer and a plasticizer sink has improved high temperature and low temperature properties which make it especially suitable for roofing applications. Said plasticizer and sink function cooperatively to give increased low temperature flexibility and reduced high temperature creep to the composition.

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