Tread rubber for high thermal diffusivity semisteel car tire and tire
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A car tire, high heat dissipation technology, applied to special tires, tire parts, vehicle components, etc., can solve problems such as tire blowout, tire wear, and impact on vehicle driving safety, and achieve low cost, good high-speed performance, and grip The effect of strong soil
Active Publication Date: 2014-04-30
SHANDONG LONGYUE RUBBER
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[0003] The tire tread is in direct contact with the ground. When the vehicle is running, especially at high speed, the temperature of the tire will rise. Excessive temperature will easily aggravate tire wear and even cause a blowout, which will affect the driving safety of the vehicle.
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Embodiment 1
[0032] Embodiment 1, a tread rubber for semi-steel car tires with high heat dissipation, its effective raw materials and weight ratios are: 50 parts of natural rubber, 27 parts of high vinyl polybutadiene rubber, 23 parts of solution-polymerized styrene-butadiene rubber , 38 parts of polydimethylsiloxane, 1 part of dithiophosphate, 4 parts of zinc oxide, 3 parts of stearic acid, 0.1 part of anti-scorch agent CTP, 2 parts of microcrystalline wax, 6 parts of cycloalkane, cycloalkane 1 part cobalt alkanoate and 3 parts clay.
Embodiment 2
[0033] Embodiment 2, a kind of tread rubber for semi-steel car tires with high heat dissipation, its effective raw materials and weight ratio are: 50 parts of natural rubber, 28 parts of high vinyl polybutadiene rubber, 22 parts of solution-polymerized styrene-butadiene rubber , 30 parts of polydimethylsiloxane, 1 part of dithiophosphate, 4 parts of zinc oxide, 3 parts of stearic acid, 0.1 part of anti-scorch agent CTP, 2 parts of microcrystalline wax, 6 parts of cycloalkane, cycloalkane 1 part cobalt alkanoate and 3 parts clay.
Embodiment 3
[0034] Embodiment 3, a tread rubber for semi-steel car tires with high heat dissipation, its effective raw materials and weight ratio are: 50 parts of natural rubber, 25 parts of high vinyl polybutadiene rubber, 25 parts of solution-polymerized styrene-butadiene rubber , 40 parts of polydimethylsiloxane, 1 part of dithiophosphate, 4 parts of zinc oxide, 3 parts of stearic acid, 0.1 part of anti-scorch agent CTP, 2 parts of microcrystalline wax, 6 parts of cycloalkane, cycloalkane 1 part cobalt alkanoate and 3 parts clay.
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Abstract
The invention relates to tread rubber for a high thermal diffusivity semisteel car tire, the tread rubber comprises the following effective raw materials: by weight, 50 parts of natural rubber, 20-30 parts of high vinyl polybutadiene rubber, 20-30 parts of solution polymerized styrene-butadiene rubber, 30-40 parts of polydimethylsiloxane, 1-5 parts of dithiophosphate, 4-7 parts of zinc oxide, 2-4 parts of stearic acid, 0.1-0.3 part of antiscorching agent CTP, 2-6 parts of microcrystalline wax, 5-8 parts of aromatic hydrocarbon, 1-2 parts of cobalt naphthenate and 2-5 parts of clay, by the interaction of each effective raw material, the themogenesis is low, and by adding of the polydimethylsiloxane as a reinforcing agent, the tread rubber strength is effectively increased, and the tread rubber is low in cost, low in carbon and environmentally friendly; in addition the tread rubber is also added with the cobalt naphthenate, so that tread and steel wire combination is more tightly, the strength of a tire made of the tread rubber is further enhanced, and the tire made of the tread rubber is good in thermal diffusivity, strong in ground catching performance and high in high speed performance.
Description
technical field [0001] The invention relates to a tire suitable for cars, in particular to a high heat dissipation semi-steel car tire tread rubber and the tire, belonging to the technical field of tires. Background technique [0002] As a key load-bearing component of a car, tires have the functions of bearing vehicle load, transmitting driving force and braking force to the road surface, absorbing vibration from the road surface, changing and maintaining the driving direction of the vehicle, etc. These functions are essential for the overall function of the car At the same time, it has a vital impact on the fuel economy and maneuverability of the car, and also affects the safety of the vehicle. The cost and durability of the tire directly affect the cost of the car. [0003] The tire tread is in direct contact with the ground. When the vehicle is running, especially at high speed, the temperature of the tire will rise. Excessively high temperature will easily aggravate tir...
Claims
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Application Information
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