Highly dispersed precipitated silica

摘要

Precipitated silica (I) has the following characteristics: BET surface area of 178-302 m2/g; CTAB surface area at least 170 m2/g; DBP-number 200-300 g/(100 g); Sears number V2 10-35 ml/(5 g). Independent claims are also included for the following: (1) preparation of (I); (2) elastomeric mixtures, vulcanized rubber mixtures and/or vulcanizates containing (I) as above; (3) tires, tires for commercial vehicles, tires for motor cycles, tires for high speed commercial vehicles, all containing (I) as above.