BUTYL RUBBER COMPOUNDS COMPRISING A MIXED MODIFIER SYSTEM
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United States of America Patent
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Issued Date -
Jul 28, 2011
app pub date -
Apr 5, 2011
filing date -
Oct 19, 2007
priority date (Note) -
Abandoned
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Abstract
Rubber compounds containing a halobutyl elastomer, at least one additional elastomer, a mineral filler and at least a three component mixed modifier system comprising a silane compound, a phosphine compound and an additive containing at least one hydroxyl group and a functional group containing a basic amine. A process for preparing the compounds is also disclosed. The compounds are particularly useful in tire treads and exhibit improved processability, traction, rolling resistance and wear properties.
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