Asphalt/O-modified polyethylene
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United States of America Patent
Stats
-
Apr 12, 1994
Grant Date -
N/A
app pub date -
Sep 8, 1992
filing date -
Sep 4, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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Family
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Cited Art Landscape
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