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Tire flap sizing material

A technology for pad rubber and tires, which is applied in the field of tire pad rubber, can solve the problems of pad rubber material such as flex resistance, tear resistance decline, and impact on tire quality, so as to improve flex crack resistance and durability. Tear performance, reduce the cost of rubber materials, and ensure the effect of performance

Inactive Publication Date: 2009-07-29
SAILUN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the addition of a certain amount of general-purpose reclaimed rubber, the overall flex resistance and tear resistance of the pad rubber will decrease, which will directly affect the quality of the tire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1 provides a kind of rubber material for tire cushions, its formula components are proportioned by weight, 10 parts of natural rubber, 14.1 parts of styrene-butadiene rubber, 49 parts of ordinary reclaimed rubber, 5 parts of butyl rubber reclaimed rubber, carbon 13.5 parts of black N339, 4.9 parts of calcium carbonate, 0.9 parts of zinc oxide, 0.5 parts of stearic acid, 0.2 parts of anti-aging agent 6PPD, 0.5 parts of anti-aging agent RD, 0.9 parts of sulfur, 0.4 parts of accelerator TBBS, 0.1 parts of anti-scorch agent CTP .

[0024] The specific preparation method is to use a rubber internal mixer, control the rotor speed of the internal mixer to 40rpm, the wind pressure of the top tie is 7 kg / CM3, and the cooling water temperature of the internal mixer is 30°C to 40°C.

[0025] The feeding order of the rubber formula components is as follows: natural rubber, styrene-butadiene rubber, ordinary reclaimed rubber, and butyl rubber reclaimed rubber are put into...

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PUM

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Abstract

The invention relates to tire chafing strip glue stock. An amount of RIIR is added so as to improve the integral flex crab resistance and tearing resistance performances of the glue stock, thus guaranteeing the service performance of the chafing strip based on the cost reduction of the glue stock. The glue stock comprises the components according to the mixture ratio of parts by weight: 10-12 parts of natural gum, 10-15 parts of butadiene-styrene rubber, 45-60 parts of common reclaimed rubber, 10-15 parts of carbon black N 33910, 2-5 parts of calcium carbonate, 0.5-1parts of zinc oxide, 0.1-0.5 parts of stearic acid, 0.4-2.5 parts of age inhibitor, 0.5-1.5 parts of sulfur, 0.2-0.5 parts of promoter, 0.1-02 parts of antiscorcher CTP. In the formulation components, 3-10 parts of RIIR are added again.

Description

technical field [0001] The invention relates to a rubber material for tire pads, which belongs to the field of rubber tire manufacturing. Background technique [0002] For the manufacture of various types of all-steel and semi-steel tire pads, the rubber properties are required to be resistant to flex cracking, tearing, heat and have a certain hardness. At present, tire manufacturers use a large amount of general-purpose regenerated rubber from natural rubber, butadiene rubber, styrene-butadiene rubber or their mixtures in order to reduce the manufacturing cost of the cushion belt. [0003] Due to the addition of a certain amount of general-purpose reclaimed rubber, the overall flex resistance and tear resistance of the pad rubber will decrease, thereby directly affecting the quality of the tire. Contents of the invention [0004] The object of the present invention is to provide a tire cushion compound to solve the above-mentioned problems and defects. By adding a certa...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/06C08K5/09B60C1/00C08K3/00
Inventor 刘燕生宋建军
Owner SAILUN GRP CO LTD
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