Racing tire tread rubber formula and preparation method thereof
A racing tire and surface rubber technology, which is applied in the field of racing tire tread rubber formula and its preparation, can solve the problems of difficult dispersion, high specific surface area carbon black filler mixing and heat generation, and difficulty in fully exerting the mechanics and mechanical properties of the formula. To achieve the effect of long mileage, long service life and excellent grip
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[0018] Example 1
[0019] The formula of racing tread compound, in parts by weight, includes: 20 parts of natural rubber, 100 parts of styrene-butadiene rubber carbon black masterbatch, 30 parts of styrene-butadiene rubber, 5 parts of high styrene resin, 10 parts of carbon black BL101, 4 parts of aromatic oil parts, 4 parts of rosin, 2 parts of antioxidant 4020, 1.5 parts of antioxidant RD, 5 parts of zinc oxide, 2 parts of stearic acid, 1.2 parts of sulfur, 1.5 parts of accelerator NS, and 0.4 part of anti-scorch agent;
[0020] The preparation method of the racing tread rubber comprises the following steps:
[0021] (1) Master batch: The master batch adopts two-stage rubber mixing
[0022] One stage of masterbatch: in parts by weight, 20 parts of natural rubber, 100 parts of styrene-butadiene rubber carbon black masterbatch, 30 parts of styrene-butadiene rubber, 5 parts of high styrene resin, 10 parts of carbon black BL101, and 4 parts of aromatic oil , 4 parts of rosin, 1...
Example Embodiment
[0025] Embodiment 2
[0026] The formula of racing tread compound, in parts by weight, includes: 10 parts of natural rubber, 110 parts of styrene-butadiene rubber carbon black masterbatch, 13 parts of styrene-butadiene rubber, 10 parts of high styrene resin, 25 parts of carbon black BL201, 8 parts of aromatic oil parts, 2 parts of rosin, 2 parts of antioxidant 4020, 1.5 parts of antioxidant RD, 5 parts of zinc oxide, 2 parts of stearic acid, 1.6 parts of sulfur, 1 part of accelerator CZ, and 0.3 part of anti-scorch agent;
[0027] The preparation method of the racing tread rubber comprises the following steps:
[0028] (1) Master batch: The master batch adopts two-stage rubber mixing
[0029] One stage of masterbatch: in parts by weight, 10 parts of natural rubber, 110 parts of styrene-butadiene rubber carbon black masterbatch, 13 parts of styrene-butadiene rubber, 10 parts of high styrene resin, 25 parts of carbon black BL201, 8 parts of aromatic oil , 2 parts of rosin, 1.5...
Example Embodiment
[0032] Example 3
[0033] The formula of racing tread compound, in parts by weight, includes: 15 parts of natural rubber, 120 parts of styrene-butadiene rubber carbon black masterbatch, 5 parts of styrene-butadiene rubber, 3 parts of high styrene resin, 2 parts of carbon black BL101, and 2 parts of carbon black BL201 3 parts, aromatic oil 5 parts, rosin 3 parts, antioxidant 4020 1.5 parts, antioxidant RD 1 part, zinc oxide 5 parts, stearic acid 2 parts, sulfur 0.9 parts, accelerator NS 2 parts, scorch inhibitor 0.1 part ;
[0034] The preparation method of the racing tread rubber comprises the following steps:
[0035] One stage of masterbatch: in parts by weight, 15 parts of natural rubber, 120 parts of styrene-butadiene rubber carbon black masterbatch, 5 parts of styrene-butadiene rubber, 3 parts of high styrene resin, 2 parts of carbon black BL101, 3 parts of carbon black BL201 parts, 5 parts of aromatic oil, 3 parts of rosin, 1 part of antioxidant 4020, 1 part of antioxi...
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