LARGE SIZED CARBON BLACK PARTICLES TO REDUCE NEEDED MIXING ENERGY OF HIGH HARDNESS, STIFF TIRE COMPOSITIONS
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United States of America Patent
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Issued Date -
Nov 1, 2001
app pub date -
Aug 27, 1999
filing date -
Aug 27, 1999
priority date (Note) -
Abandoned
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Abstract
A reinforced high viscosity rubber composition having improved processability such as reduced mixing cycles contains large sized particles of carbon black. The carbon black has low structure and a low DBP absorption number as well as a low iodine number. The rubber composition is useful in various tire rubber compositions such as those requiring a high viscosity, for example an apex rubber.
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