GRAPHENE MASTERBATCH
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United States of America Patent
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Issued Date -
Oct 15, 2015
app pub date -
Jan 12, 2015
filing date -
Apr 15, 2014
priority date (Note) -
Abandoned
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Abstract
Disclosed is a graphene masterbatch including a base resin, electrically conductive carbon black, graphene nanoplatelets with modified surface and a dispersant. The modified surface of graphene nanoplatelet is formed by a modifying agent containing a coupling compound so as to possess hydrophobic and hydrophilic functional groups, which help graphene nanoplatelets form chemical bonding with carbon black and the base resin. Since the modified surface makes graphene nanoplatelets evenly dispersed in the base resin, the graphene masterbatch of the present invention is suitably melt blended with a polymer material to form a composite material such that graphene nanoplatelets are evenly dispersed in the polymer material, thereby enhancing junction strength, increasing mechanical properties, and improving anti-oxidation, acid/base resistance, and thermal conductivity.
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