Method of making a composite fiber reinforced polyethylene
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United States of America Patent
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Dec 17, 1996
Grant Date -
N/A
app pub date -
Mar 8, 1995
filing date -
Mar 8, 1995
priority date (Note) -
Expired
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Abstract
A process for producing composite cellulose fiber reinforced polyolefin. The process includes preparing and mixing a blend of molten polyolefin, a coloring concentrate and a coupling agent in a kneading extruder, preheating cellulose fibers in an enclosed cram feed and mixing the blend of polyolefin, preheated cellulose fibers and ozone gas in a ozone chamber to form a polyolefin and fiber matrix. The polyolefin and fiber matrix is then fed to a twin screw extruder where it is further heated, mixed and then conveyed to a die to extrude in a desired shape.
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