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Preparation method of antiskid tread rubber material

A technology for tread rubber and preparation steps, used in special tires, tire parts, transportation and packaging, etc., can solve the problems of poor wet skid resistance of tread rubber, reduced mechanical properties of materials, etc., to improve durability and reduce friction. coefficient, the effect of reducing the wear of the non-slip surface

Inactive Publication Date: 2018-04-06
常州禾吉纺织品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for preparing an anti-slip tread rubber material in view of the poor wet skid resistance of the existing tread rubber and the problem that the single addition of a modifier leads to a decrease in the mechanical properties of the material

Method used

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  • Preparation method of antiskid tread rubber material

Examples

Experimental program
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Effect test

example 1

[0019] In parts by weight, weigh 45 parts of kaolin powder, 10 parts of zinc chloride and 15 parts of sodium chloride in a ball milling tank, ball mill at 250r / min for 3 hours, pass through a 500 mesh sieve to obtain ball mill powder, press Mass ratio 1:1, stir and mix the ball mill powder and zinc powder, ball mill through a 500-mesh sieve to obtain matrix powder, place the matrix ball mill powder in a graphite crucible, pre-fire at 250°C for 25 minutes, and then press 15°C / min Warm up to 1250℃, heat preservation and sinter for 25min, then stand and cool to room temperature, rinse with deionized water for 3 times, dry to constant weight in an oven at 100℃ to prepare composite entangled crystal whisker particles; in parts by weight, respectively Weigh 45 parts of styrene-butadiene rubber particles, 3 parts of carbon black and 10 parts of entangled crystal whisker particles and place them at 160℃ for 25 minutes of debinding. After debinding is completed, place them in an internal...

example 2

[0021] In parts by weight, weigh 50 parts of kaolin powder, 12 parts of zinc chloride and 17 parts of sodium chloride in a ball milling tank, ball mill at 275r / min for 4h, pass through a 500 mesh sieve to obtain ball mill powder, press Mass ratio 1:1, stir and mix the ball mill powder and zinc powder, ball mill through a 500-mesh sieve to obtain matrix powder, place the matrix ball mill powder in a graphite crucible, pre-fire at 275°C for 27 minutes, and then press 15°C / min Warm up to 1275℃, heat preservation and sinter for 27min, then stand and cool to room temperature, rinse with deionized water 4 times, and dry to constant weight in an oven at 105℃ to prepare composite twisted crystal whisker particles; in parts by weight, respectively Weigh 47 parts of styrene-butadiene rubber particles, 4 parts of carbon black and 12 parts of entangled crystal whisker particles and place them at 162°C for 27 minutes of debinding. After debinding is completed, place them in an internal mixer...

example 3

[0023] In parts by weight, weigh 55 parts of kaolin powder, 15 parts of zinc chloride and 20 parts of sodium chloride in a ball milling tank, ball mill at 300r / min for 5h, pass through a 500 mesh sieve to obtain ball mill powder, press Mass ratio 1:1, stir and mix the ball mill powder and zinc powder, ball mill through a 500-mesh sieve to obtain matrix powder, place the matrix ball mill powder in a graphite crucible, pre-fire at 300°C for 30 minutes, and then press 15°C / min Warm up to 1300℃, heat preservation and sintering for 30min, then stand and cool to room temperature, rinse with deionized water for 5 times, and dry to constant weight in 110℃ oven to prepare composite entangled crystal whisker particles; in parts by weight, respectively Weigh 50 parts of styrene butadiene rubber particles, 5 parts of carbon black and 15 parts of entangled crystal whisker particles and place them at 165°C for 30 minutes of debinding. After debinding is completed, place them in an internal mi...

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Abstract

The invention relates to a preparation method of an antiskid tread rubber material and belongs to the technical field of rubber materials. The preparation method comprises the steps: compounding kaoline serving as a raw material with zinc powder, mutually winding mullite whiskers prepared by carrying out high-temperature calcination on kaoline and whiskers prepared from zinc oxide to form granularaggregates, mutually winding the whiskers, and then, carrying out binding by using resin to form agglomerated particles to be dispersed into rubber. A granular composite can form a granular bulge capable of increasing a friction coefficient when being used, and the particles in the granular composite are mutually wound, so that the force is effectively relieved, and the wear resistance and antiskid property of the material are improved; and meanwhile, an internal stress generated by friction is dispersed by mutual winding of the granular aggregates, so that the problems of antiskid surface wear and friction coefficient reduction on the surface of the rubber material are reduced, the durability level of the antiskid property of the material is effectively improved, and the antiskid property of the material is further improved.

Description

Technical field [0001] The invention relates to a method for preparing a non-slip tread rubber material, and belongs to the technical field of rubber materials. Background technique [0002] With the rapid development of the automobile industry and the increasing improvement of people’s living standards, as well as the country’s advocacy for fuel-saving and environmental protection [0003] People have higher and higher performance requirements for passenger cars, including comfort, safety and fuel-saving performance. In recent decades, there have been more and more researches on the performance of high-performance tires at home and abroad. The focus of the research is mainly on rolling loss, wet skid resistance and wear resistance, especially wet skid resistance. These three performances are also called the three driving performances of car tires. Especially after the industrialization of green tires with in-situ modified silica with silane coupling agent as the filler and solut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08K13/04C08K7/10C08K7/08C08K3/04B60C1/00
CPCC08K13/04B60C1/0016C08K3/04C08K7/08C08K7/10C08L9/06
Inventor 张德钊季美
Owner 常州禾吉纺织品有限公司
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