Rubber composition for tire tread of high performance tire and mixing method thereof and tire
A technology for rubber composition and tire tread, applied in special tires, tire parts, transportation and packaging, etc., can solve the problems of limiting the amount of silica used, reducing the electrical conductivity of tires, etc., achieving good reinforcement performance, reducing Tire resistance, the effect of improving process performance
Inactive Publication Date: 2019-01-04
ZHONGCE RUBBER GRP CO LTD
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Problems solved by technology
And because silica is an insulating substance, the introduction of silica greatly reduces the electrical conductivity of tires compared to carbon black.
Therefore, the amount of silica used in tires is also limited
Method used
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[0038] In the following, the technical solutions in the embodiments of the present invention will be checked and completely described in conjunction with the embodiments of the present invention, and further explanations of the invention will be made. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Given the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0039] Embodiments 1 to 7 are specifically shown in Table 1.
[0040] Preparation of samples: (this process uses a serial type internal mixer)
[0041] Control the rotor speed of the internal mixer to 40-60rpm, and the pressure on the top bolt to 50-60N / cm 2 , internal mixer cooling water temperature 30-40 ℃, including the following steps:
[0042] 1. Upper auxiliary machine process:
[0043] ① Add rubber, ric...
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The invention belongs to the field of rubber tire manufacturing, and particularly relates to a rubber composition for a tire tread of a high performance tire and a mixing method thereof and a tire. The rubber composition for the tire tread of the high performance tire comprises 100 parts by weight of at least one selected from rubber components of a natural rubber, a polyisoprene rubber, a polybutadiene rubber and a styrene-olefin copolymer rubber and 0.5-40 parts by weight of (a) a nano-scale surface-conductive modified silicate and (b) carbon black and silica, wherein the total amount of thecomponents (a) and (b) is 40-120 parts by weight. The composition innovatively introduces the nano-scale surface conductive modified silicate, the nano-scale surface conductive modified silicate hasthe same advantages as the silica of reducing tire rolling resistance, improving the wet grip of the tire and increasing the conductivity of the tire, and the amount of the silica is increased in therange of resistance allowed by regulations, thereby achieving the purposes of further reducing rolling resistance and improving wet grip.
Description
technical field [0001] The invention belongs to the field of rubber tire manufacture, and in particular relates to a rubber composition used for tire treads of high-performance tires, a mixing method thereof and tires. Background technique [0002] With the idea of green tires being put forward, more and more attention has been paid to the rolling resistance and wet grip of tires. Compared with traditional carbon black, silica is widely used in the field of tires due to its unique low rolling resistance and high wet grip. Although the introduction of silica can reduce the rolling resistance of tires and improve the wet grip of tires, the introduction of silica will greatly reduce the wear resistance of tires, thus limiting the amount of silica used in tires . [0003] It is generally believed that the resistivity is less than 1×10 8 The rubber material of Ω·cm can smoothly guide and remove the static electricity generated during the driving process of the car, so as to ...
Claims
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Login to View More IPC IPC(8): C08L9/06C08L91/00C08K3/36C08K3/04C08K3/22C08K5/09C08K13/06C08K3/34B60C1/00
CPCB60C1/0016C08K2003/2296C08L9/06C08L91/00C08K3/36C08K3/04C08K3/22C08K5/09C08K13/06C08K3/346Y02T10/86
Inventor 陈生王丹灵刘风丽承齐明任福君
Owner ZHONGCE RUBBER GRP CO LTD