Compatibilizer for crumb rubber modified asphalt
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United States of America Patent
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Nov 12, 2002
Grant Date -
N/A
app pub date -
Apr 29, 1996
filing date -
Apr 29, 1996
priority date (Note) -
Expired
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Abstract
A compatibilizer and process for use in making crumb rubber modified asphalt. The compatibilizer causes the crumb rubber to completely interact with the asphalt, thereby improving the rheological properties of the asphalt and reducing the tendency of pavement made with the asphalt to ravel. The compatibilizer has as its reactive component one or more glycidyl groups; its polymeric backbone can be ethylenic, styrenic, or acrylic or ethylene vinyl acetate (EVA).
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