Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Rubberized asphalt emulsion

Patent ·
OSTI ID:5300918
A method is described of making a rubberized asphalt composition which comprises the steps of: (a) combining asphalt with a hydrocarbon oil having a flash point of 300/sup 0/F. or more to provide a homogenous asphalt-oil mixture or solution, (b) then combining the asphalt-oil mixture with a particulate rubber at a temperature sufficient to provide a homogenous asphalt-rubber-oil gel, and (c) emulsifying the asphalt-rubber-oil gel by passing the gel, water, and an emulsifying agent through a colloid mill to provide an emulsion.
Assignee:
Union Oil Co. of California, Los Angeles, CA
Patent Number(s):
US 4609696
OSTI ID:
5300918
Country of Publication:
United States
Language:
English