RUBBER COMPOSITION CONTAINING GLYCEROL AND A FUNCTIONALIZED ELASTOMER AND TREAD FOR A TIRE
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United States of America Patent
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Sep 27, 2012
app pub date -
Sep 13, 2010
filing date -
Oct 12, 2009
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Abstract
A reinforced rubber composition, used for the manufacture of treads of tyres, includes (a) a functionalized diene elastomer selected from elastomers that are chain-end functionalized, coupled, or star-branched by a group containing a polar functional group having at least one oxygen atom and block elastomers having at least one polar block, (b) glycerol, and (c) a reinforcing filler that includes an inorganic filler. The rubber composition may impart a low rolling resistance to the tyre treads.
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