Separating devulcanized rubber
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United States of America Patent
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Apr 9, 2013
Grant Date -
Jun 3, 2010
app pub date -
Oct 29, 2009
filing date -
Oct 31, 2008
priority date (Note) -
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Abstract
A method for separating a polymer from carbon black in devulcanized rubber, the method comprising steps of inserting devulcanized rubber into a bath of a solvent, dissolving a polymer out of the devulcanized rubber and into a solution of the solvent and the polymer, removing the solution from the bath without disturbing an un-dissolved residue comprising carbon black, and recovering the un-dissolved residue.
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