Methods for purifying polymers using solid scavengers
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United States of America Patent
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Mar 30, 2010
Grant Date -
Apr 3, 2008
app pub date -
Oct 3, 2006
filing date -
Oct 3, 2006
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Expired
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Abstract
Conductive polymers are purified using a solid scavenger. The solid scavengers include metal-scavenging functional groups linked to the surface of a particle support material. To improve the functionalization of the support material, the support materials are first treated with sulfuric acid or nitric acid before attaching the molecules containing the metal-scavenging functional groups. The solid scavengers used in the purification methods are more efficient at removing impurities in conductive polymers than existing scavengers.
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