TH6026B - Carbon Black for the tread of the tire. - Google Patents

Abstract

Carbon black for tire tread with specific surface area to absorb nitrogen. (N2SA,nitrogenadsorption specitic surface area) is 60-160 m²/g. DBP (dibutylphthalate) absorption value is 90-150 mL/100 g where the empty volume from internal integration (VP, intraggregate void volume, ml/g) corresponding to the intent shown by the following formula (1) and the combination property corresponding to the intent shown by the following formula (2). The first or the will represented by formulas (3) and (4), respectively, of the following (2) characteristics, when measured by the centrifuge classification Vp >_ 0.00976 x DBP - 0.0358 .. .......(1) (Triangle)Dst/(0.601 x Dst + 4.02) <_ 1.00 ........(2) Vp >_ 0.00976 x DBP - 0.1309 ...... ...(3) (triangle)Dst/(0.601 x Dst + 23.71) <_ 1.00 ........(4) where Dst is a diameter difference of 2 stoke at The difference is 50% of the peak frequency in the combined stoke diameter dispersion curve, and Dst (nm) is The stoke diameter of the peak frequency in the dispersion curve Combined stoke diameter

Claims (3)

1. Carbon black for tire tread with surface area. Nitrogen adsorption specificity (N2SA) is 60-160 m²/g, absorption DBP (dibutyl phthalate) is 90-150 ml/100 g. The intrinsic aggregation (mL/g) corresponding to the will is shown by the following formula (1) and the combination property corresponding to the will shown by the following formula (2) when measured. By the method of classification by centrifugation Vp >_ 0.00976 x DBP - 0.0358 .........(1) (triangle)Dst/(0.601 x Dst + 4.02) <_ 1.00 .. .......(2) where Dst is a diameter difference of two different stokes at 50% of the peak frequency in the diameter dispersion curve. The combined stoke center and Dst is the stoke diameter. (nm) of frequency maximum in the combined stone diameter distribution curve 2. Carbon black for tire tread with surface area Nitrogen adsorption specific page (N2SA) is 60-160 m²/g, bioavailability (DBP) is 90-150 mL/100g, VP emptying volume (mL/ g) conforming to the intent shown by the following formula (3), and the combination property corresponding to the intent expressed by the following formula (4) when measured by the centrifuge method. Vp >_ 0.00976 x DBP - 0.1309 .........(1) (triangle)Dst/(0.601 x Dst + 2 3.71) <_ 1.00 .........(2) where Dst is the difference in diameter of the 2 stokes that are possible at 50% of the peak frequency in the diameter dispersion curve. The combined stoke center and Dst (nm) is the stoke diameter. of the peak frequency in the combined stoke diameter dispersion curve