Conductive vinylaromatic polymer filled with black carbon
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United States of America Patent
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Feb 13, 2007
Grant Date -
Jan 22, 2004
app pub date -
Jul 30, 2001
filing date -
Aug 2, 2000
priority date (Note) -
Expired
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Abstract
The invention concerns a composition comprising: 35 to 65 wt. % of radical vinylaromatic polymer, 5 to 40 wt. % of ethylene and alkyl(meth)acrylate copolymer, 2 to 20 wt. % of copolymer with vinylaromaticdiene monomer blocks, a necessary and sufficient amount of conductive black carbon for providing the composition with resistivity ranging between 1.104 to 1.109 .omega.cm. The composition maintains good conductivity whatever the transformation mode used and has excellent impact resistance.
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