Abstract: Precipitated silicas having, a N-cetyl-N,N,N-trimethylammonium bromide (CTAB) surface area ?115 m2/g, a dioctyl adipate (DOA) absorption ?130 ml/(100 g), a RoTap for >300 ?m of ?86%, and a pore volume distribution of V (d5?d50)/V (d5?d100)<0.66. A method of producing the precipitated silicas.

Abstract: Modified silicas, having the following physicochemical parameters: a CTABmod of <200 m2/g, a BETMP of 50-500 m2/g, a CTABmod-BETMP of <0 m2/g, a carbon content of >0.5% by weight, a modemod from CPS particle size determination of >50 nm, a d75mod from CPS particle size determination of 20-150 nm, a Rmin from Hg pore size determination, pressurized of <10 nm, and a sulfur content of ?1.50% by weight.

Abstract: The invention relates to a rubber mixture comprising rubber and a liquid polybutadiene, liquid at a temperature of 20° C. and a pressure of 98.0665 kPa, wherein the liquid polybutadiene only consists of C— and H-atoms, and has an average molecular weight (Mw), determined by gel permeation chromatography as described in the description, of from 1500 to 5000 g/mol, to a process for preparing rubber articles by vulcanization using the inventive rubber mixtures as raw material, and to rubber articles obtained by this process.

Abstract: The invention relates to benzothiazole-containing silanes of the formula I which are prepared by reacting benzothiazole-containing silanes of the formula II with a compound of formula III R2—H??(III). The benzothiazole-containing silanes of the formula I can be used in rubber mixtures.

Abstract: The invention relates to rubber mixtures which comprise at least one rubber, at least one mercaptosilane of the general formula I R13Si—R2—S—R3 and at least one mixture of polysulfanes of the formula II R13Si—R2SxR2—SiR13. The rubber mixture is produced by mixing at least one rubber, at least one mercaptosilane of the general formula I and at least one mixture of polysulfanes of the formula II. The rubber mixture can be used to produce moulded articles.

Abstract: The invention relates to benzothiazole-containing silanes of the formula I which are prepared by reacting benzothiazole-containing silanes of the formula II with a compound of formula III R2—H??(III). The benzothiazole-containing silanes of the formula I can be used in rubber mixtures.

Abstract: The invention relates to the use of silane-modified polybutadienes in rubber mixtures, in particular for improving the rolling resistance of diene rubber tires. In particular, the invention is directed to silane-modified polybutadienes in rubber mixtures, wherein the polybutadiene comprises the 1,3-butadiene-derived monomer units and wherein the proportion of A in the entirety of the 1,3-butadiene-derived monomer units present in the polybutadiene is from 10 to 60 mol %, and wherein the sum of the proportions of B and C in the entirety of the 1,3-butadiene-derived monomer units present in the polybutadiene is from 40 to 90 mol %.

Abstract: The invention relates to the use of silane-modified polybutadienes in rubber mixtures, in particular for improving the rolling resistance of diene rubber tires. In particular, the invention is directed to silane-modified polybutadienes in rubber mixtures, wherein the polybutadiene comprises the 1,3-butadiene-derived monomer units and wherein the proportion of A in the entirety of the 1,3-butadiene-derived monomer units present in the polybutadiene is from 10 to 60 mol %, and wherein the sum of the proportions of B and C in the entirety of the 1,3-butadiene-derived monomer units present in the polybutadiene is from 40 to 90 mol %.

Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.

Abstract: The present invention relates to precipitated silicas which have extremely low microporosity and high rubber activity, to a process for their preparation, and to their use as filler for rubber mixtures.

Abstract: The present invention relates to precipitated silicic acids, which have a particularly narrow particle size distribution in combination with a special pore size distribution, to a method for the production thereof, and to the use thereof as a filler for rubber mixtures.

Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.

Abstract: The present invention relates to highly disperse precipitated silicas which exhibit an extremely high level of reinforcement of rubber vulcanizates, to a process for their preparation, and to their use as filler for rubber mixtures.

Abstract: The present invention relates to precipitated silicic acids, which have a particularly narrow particle size distribution in combination with a special pore size distribution, to a method for the production thereof, and to the use thereof as a filler for rubber mixtures.

Abstract: The present invention relates to a highly disperse precipitated silica which has a high surface area, to a process for preparing it, and to its use as a tire filler for commercial vehicles, motorbikes, and high-speed vehicles.

Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.

Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.

Abstract: Precipitated silicas useful, for example, as fillers in elastomer mixtures or vulcanizates have a particularly broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function, and have simultaneously very low microporosity and high rubber activity.

Abstract: Precipitated silicas which have a broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function are useful, for example, for tires.

Abstract: The present invention relates to a highly dispersible silica which has a high surface area, a process to manufacture the aforesaid silica and its use as a tire filler for utility vehicles, motor cycles and high speed vehicles.