Asphalt/o-modified polyethylene

Details Asphalt/o-modified polyethylene Asphalt/o-modified polyethylene

C - Chemistry, Metallurgy

08

L

C08L 95/00 (2006.01) C08J 3/20 (2006.01) C08L 23/30 (2006.01) E01C 7/18 (2006.01)

Patent

CA 2077580

Asphalt/O-Modified Polyethylene ABSTRACT OF THE INVENTION An asphalt blend used for paving is described. The blend contains polyethylene which has been modified by shearing action in the presence of an O-containing gas (such as oxygen or ozone). The blend has improved viscosity at high temperatures and reduced stiffness at low temperatures. A paving mix prepared using the asphalt blend has an improved Marshall Test Value (ASTM DI559), indicating that the paving mix should have a reduced tendency to become rutted under the load of traffic. - 1 -

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