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High-modulus and tear-resistant steel wire ring rubber coating and preparation method thereof

A steel traveler and anti-tearing technology, applied in the field of rubber, can solve problems such as high shear stress, insufficient thickness, damage, etc., and achieve the effect of improving shear damage resistance and fatigue resistance

Pending Publication Date: 2020-12-08
JIANGSU GENERAL SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The position of the bead ring will generate high shear stress under the harsh service conditions of the tire, and the lagging performance is insufficient or the thickness is not enough. It is easily damaged by high shear stress and cannot protect the steel wire of the carcass.

Method used

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  • High-modulus and tear-resistant steel wire ring rubber coating and preparation method thereof

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Embodiment 1

[0022] A high-modulus, tear-resistant steel traveler lagging, comprising the following components in parts by weight: 72 parts of natural rubber, 15 parts of synthetic Eucommia rubber, 13 parts of emulsion polystyrene butadiene rubber, 75 parts of N550 carbon black, 2 parts of carbon nanotubes, 5 parts of white carbon black HD175MP, 6 parts of zinc oxide, 1.5 parts of stearic acid, 5 parts of C5 tackifying resin, 1.5 parts of resorcinol formaldehyde resin, 2 parts of adhesive RA65, 2 parts of boron Cobalt acylate, 0.5 parts of anti-aging agent RD, 0.2 parts of anti-aging agent 4020, 10 parts of aromatic oil, 1 part of accelerator CZ, 5 parts of insoluble sulfur OT-20 and 0.3 parts of anti-scorch agent CTP. The carbon nanotubes are multi-wall agglomerated carbon nanotubes prepared by vapor deposition method, with a diameter of 12 nm, a length of 9 μm, and a specific surface area of ​​280 m 2 / g.

[0023] A preparation method for a high modulus, tear-resistant traveler lagging,...

Embodiment 2

[0028] A high-modulus, tear-resistant traveler lagging, comprising the following components in parts by weight: 87 parts of natural rubber, 13 parts of emulsion polystyrene butadiene rubber, 75 parts of N550 carbon black, 2 parts of carbon nanotubes, 5 parts of white carbon black HD175MP, 6 parts of zinc oxide, 1.5 parts of stearic acid, 5 parts of C5 tackifying resin, 1.5 parts of resorcinol formaldehyde resin, 2 parts of binder RA65, 2 parts of cobalt boroacylate, 0.5 parts Anti-aging agent RD, 0.2 parts of anti-aging agent 4020, 10 parts of aromatic oil, 1 part of accelerator CZ, 5 parts of insoluble sulfur OT-20 and 0.3 parts of anti-scorch agent CTP. The carbon nanotubes are multi-wall agglomerated carbon nanotubes prepared by vapor deposition method, with a diameter of 12 nm, a length of 9 μm, and a specific surface area of ​​280 m 2 / g.

[0029] A preparation method for a high modulus, tear-resistant traveler lagging, comprising the following steps:

[0030] (1) One-s...

Embodiment 3

[0034]A high-modulus, tear-resistant steel traveler lagging, comprising the following components in parts by weight: 72 parts of natural rubber, 15 parts of synthetic Eucommia rubber, 13 parts of emulsion polystyrene butadiene rubber, 75 parts of N550 carbon black, 2 parts of carbon nanotubes, 5 parts of white carbon black HD175MP, 6 parts of zinc oxide, 1.5 parts of stearic acid, 5 parts of C5 tackifying resin, 1.5 parts of resorcinol formaldehyde resin, 2 parts of adhesive RA65, 2 parts of boron Cobalt acylate, 0.5 parts of anti-aging agent RD, 0.2 parts of anti-aging agent 4020, 10 parts of aromatic oil, 1 part of accelerator CZ, 5 parts of insoluble sulfur OT-20 and 0.3 parts of anti-scorch agent CTP. The carbon nanotubes are multi-wall agglomerated carbon nanotubes prepared by vapor deposition method, with a diameter of 12 nm, a length of 9 μm, and a specific surface area of ​​280 m 2 / g.

[0035] A preparation method for a high modulus, tear-resistant traveler lagging, ...

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Abstract

The invention belongs to the technical field of rubber, and particularly relates to a high-modulus and tear-resistant steel wire ring rubber coating and a preparation method thereof. The high-modulusand tear-resistant steel wire ring rubber coating comprises the following components in parts by weight: natural rubber 60-90 parts, eucommia ulmoides rubber 5-20 parts, butadiene styrene rubber 5-20parts, carbon black 52-82 parts, carbon nano tubes 2-5 parts, white carbon black 2-15 parts, zinc oxide 3-7 parts, stearic acid 1-3 parts, tackifying resin 3-7 parts, resorcinol formaldehyde resin 1-2parts, adhesive RA65 1-3 parts, cobalt salt 1-3 parts, anti-aging agent 0.5-2 parts, rubber filling oil 5-12 parts, accelerant CZ 0.5-2 parts, insoluble sulfur 3-7 parts and scorch retarder CTP 0.1-0.5 part. According to the steel wire ring rubber coating prepared by the method, the rigidity, tear resistance, fatigue resistance and processing technology plasticity of the steel wire ring rubber coating can be improved, and the heat generation of the steel wire ring rubber coating can also be reduced so that the use safety of a tire is further improved.

Description

technical field [0001] The invention belongs to the technical field of rubber, and in particular relates to a high-modulus, tear-resistant steel traveler lagging and a preparation method thereof. Background technique [0002] When all-steel radial truck tires are used under harsh conditions, the carcass steel wires at the bottom of the traveler will be worn and cut off or the steel wires will be delaminated and drawn. This problem can easily cause tire blowouts and cause safety problems. After analyzing and studying the tires with the above problems, it was found that the generation of the problem has a great relationship with the performance and thickness of the bead rubber lagging in the tire. The position of the bead ring will generate high shear stress under the harsh service conditions of the tire, and the lagging performance is insufficient or the thickness is not enough. It is easy to be damaged by high shear stress and cannot protect the carcass steel wire. Content...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/06C08L61/12C08K13/04C08K7/26C08K3/04C08K3/22C08K5/09
CPCC08L7/00C08L2205/025C08L2205/035C08K2201/011C08K2003/2296C08L9/06C08L61/12C08K13/04C08K7/26C08K3/04C08K3/041C08K3/22C08K5/09
Inventor 周平赵江华杨其振周丽琰陆炯
Owner JIANGSU GENERAL SCI TECH