| abstract |
Carbon blacks having a CTAB of greater than 155 m2/g; an I2No. of greater than 180 mg/g; a N2SA of greater than 160 m2/g; a Tint value of greater than 145%; a CDBP of 90-105 cc/100 g; a DBP of 115-140 cc/100 g; a DELTA DBP ( DELTA DBP=DBP-CDBP) of 20-35 cc/100 g; a DELTA D50 of less than 40 nm; a Dmode of 40-65 nm; DELTA D50/Dmode ratio of 0.55-0.67; and an ASTM Aggregate Volume less than 137,000 (nm)3. Also disclosed are rubber compositions containing the carbon blacks which exhibit superior handling and cornering performance properties, increased abrasion resistance and improved traction. |