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Full-terrain tire tread rubber reinforced and filled with diatomite and preparation method of tread rubber

A technology of tire tread and diatomite, which is applied in the direction of special tires, tire parts, transportation and packaging, etc., can solve the problems of unfavorable production and environmental protection, long rubber mixing time, high price of white carbon black, etc., and achieve the vulcanization time Short, low price, and the effect of reducing production costs

Active Publication Date: 2018-07-03
常州苏橡橡塑制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, silica itself has a strong cohesion, it is difficult to disperse evenly into the rubber compound, it takes a long time to mix with rubber, consumes a lot of energy, and the price of silica is relatively high. These factors are not conducive to the production of tire companies and the requirements of environmental protection.

Method used

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  • Full-terrain tire tread rubber reinforced and filled with diatomite and preparation method of tread rubber
  • Full-terrain tire tread rubber reinforced and filled with diatomite and preparation method of tread rubber
  • Full-terrain tire tread rubber reinforced and filled with diatomite and preparation method of tread rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A diatomite reinforced all-terrain tire tread rubber, comprising the following raw materials in parts by mass: 25 parts of 20# standard rubber, 150265 parts of styrene-butadiene rubber, 900010 parts of butadiene rubber, 20 parts of diatomaceous earth, 50 parts of precipitated white carbon black, 2 parts of ordinary sulfur, 4 parts of zinc oxide, 3 parts of stearic acid, 0.5 parts of accelerator CZ, 0.25 parts of accelerator TMTD, 0.5 parts of accelerator NOBS, 1 part of antioxidant MB, 1 part of anti-aging agent SPC, 10 parts of engine oil, 1.4 parts of coupling agent KH570, 2 parts of glycerol;

[0027] The preparation method of the above-mentioned all-terrain tire tread rubber specifically includes the following steps: use an open mill to plasticize the 20# standard rubber, then add styrene-butadiene rubber 1502 and butadiene rubber 9000, mix evenly, adjust the roller distance and the rubber stop To control the proper accumulation of glue, add zinc oxide, stearic acid...

Embodiment 2

[0035] A diatomite-reinforced and filled all-terrain tire tread rubber, comprising the following raw materials in parts by mass:

[0036] 20# standard rubber, 25 parts; styrene-butadiene rubber 1502, 65 parts; butadiene rubber 9000, 10 parts; diatomaceous earth, 30 parts; precipitated white carbon black, 50 parts; stearic acid, 3 parts; accelerator CZ, 0.5 parts; accelerator TMTD, 0.25 parts; accelerator NOBS, 0.5 parts; antioxidant MB, 1 part; antioxidant SPC, 1 part; engine oil, 10 parts; Joint agent KH570, 1.6 parts; glycerol, 2 parts.

[0037] Its preparation method and performance testing method are the same as in Example 1, its vulcanization characteristics and Mooney viscosity are shown in Table 2, and its physical and mechanical properties are shown in Table 3.

Embodiment 3

[0039] A diatomite-reinforced and filled all-terrain tire tread rubber, comprising the following raw materials in parts by mass:

[0040] 20# standard rubber, 25 parts; styrene-butadiene rubber 1502, 65 parts; butadiene rubber 9000, 10 parts; diatomaceous earth, 40 parts; precipitated white carbon black, 50 parts; stearic acid, 3 parts; accelerator CZ, 0.5 parts; accelerator TMTD, 0.25 parts; accelerator NOBS, 0.5 parts; antioxidant MB, 1 part; antioxidant SPC, 1 part; engine oil, 10 parts; Joint agent KH570, 1.8 parts; glycerol, 2 parts.

[0041] Its preparation method and performance testing method are the same as in Example 1, its vulcanization characteristics and Mooney viscosity are shown in Table 2, and its physical and mechanical properties are shown in Table 3.

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Abstract

The invention discloses a full-terrain tire tread rubber reinforced and filled with diatomite and a preparation method of the tread rubber, and belongs to the technical field of tire manufacturing. The tread rubber comprises the following raw materials in parts by weight: 20-50 parts of 20# standard rubber, 40-70 parts of styrene-butadiene rubber 1502, 10-15 parts of cis-polybutadiene rubber 9000,20-40 parts of diatomite, 30-50 parts of precipitated white carbon black, 2-2.5 parts of sulfur, 4-5 parts of zinc oxide, 3-4 parts of stearic acid, 1.2-1.5 parts of an accelerator, 2-3 parts of an anti-aging agent, 10-12 parts of engine oil, 1-2 parts of a coupling agent and 1-3 parts of glycerol. The tire tread rubber provided by the invention has the characteristics of low Mooney viscosity, easy processing, short vulcanization time, excellent physical mechanical property, no pollution and the like, the production efficiency is improved, the production energy consumption is reduced, and thedevelopment requirements of energy-saving, low-carbon and environment-friendly green tire.

Description

technical field [0001] The invention relates to an all-terrain tire tread rubber filled with diatomite reinforcement and a preparation method thereof, belonging to the technical field of tire manufacturing. Background technique [0002] All-terrain tires are widely used tires with both off-road and road performance. At present, the filling and reinforcing agents of such tires in my country are mainly carbon black and white carbon black. With the continuous enhancement of people's environmental protection awareness and the development of the tire industry, green Tires have become the trend and direction of tire development in the world, and the development of all-terrain green tires has become a top priority for tire companies. [0003] As a tire reinforcing agent, silica can reduce rolling resistance, and has become an important reinforcing agent in the tire industry, and has been vigorously promoted and applied. However, silica itself has a strong cohesion, it is difficult ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L9/00C08L7/00C08L91/00C08K13/02C08K3/34C08K3/36C08K3/22C08K5/09B60C1/00
CPCB60C1/0016C08K2003/2296C08L7/00C08L9/06C08L2205/02C08L2205/035C08L9/00C08L91/00C08K13/02C08K3/34C08K3/36C08K3/22C08K5/09
Inventor 张兆红杨昭邢立华赵桂英杨慧
Owner 常州苏橡橡塑制品有限公司
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