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Rubber composition for coating steel wire cord of radial tire for engineering machinery

A radial tire and rubber composition technology, applied in the field of tire rubber, can solve the problems of heavy load bearing, harsh use environment, and slow driving speed, and achieve the effects of good aging resistance, high adhesive force, and high modulus

Inactive Publication Date: 2017-11-24
TRIANGLE TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Radial tire products for construction machinery bear large loads, travel slowly, and use harsh environments

Method used

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  • Rubber composition for coating steel wire cord of radial tire for engineering machinery
  • Rubber composition for coating steel wire cord of radial tire for engineering machinery
  • Rubber composition for coating steel wire cord of radial tire for engineering machinery

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with embodiment:

[0009] The present invention is used for the steel cord coating rubber composition of engineering machinery tire, can adopt following manufacturing method, concrete steps are as follows:

[0010] 1. Put the rubber component, zinc oxide, cobalt salt, dispersant, anti-aging agent, organic acid, and 2 / 3 carbon black into the GK400 ZZ rotor mixer at a speed of 40±3 rpm, and mix for 2.5- Mixed rubber A was obtained in 4 minutes, and the discharge temperature was controlled at 155-165°C.

[0011] 2. Add the remaining carbon black, white carbon black, binder SL-3020, phenolic resin, hexamethylene-1,6-dithiosulfuric acid disodium salt, two parts of crystal water, 1,3-bis (Citroimidomethyl)benzene and rubber compound A were added to the GK400 ZZ rotor internal mixer at a speed of 28±3 rpm, and mixed for 2.5-4min to obtain rubber compound B, and the temperature of the rubber was controlled. ...

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Abstract

The invention relates to the technical field of rubber, in particular to a rubber composition for coating a steel wire cord of a radial tire for engineering machinery. The rubber composition is characterized by further comprising the following components in parts by weight by taking 100 parts by weight of a rubber component as the baseline: 5-20 parts of white carbon black, organic acid cobalt salt with the cobalt content of 0.03-1 parts by weight, 0.5-5 parts of an adhesive resorcinol capable of being replaced with a mixture of resorcinol and a carrier, 0.5-7 parts of an adhesive HMMMM capable of being replaced with a mixture of the adhesive HMMMM and a carrier, 1.0-3.0 parts of hexamethylene-1,6-bisthiosulfate disodium salt / two-part crystal water capable of being replaced with a mixture of hexamethylene-1,6-bisthiosulfate disodium salt / two-part crystal water and a carrier, 0.1-1 part of 1,3-bis9(3-methyl-2,5-dioxopyrrol-1-yl)methyl)benzol capable of being replaced with a mixture of 1,3-bis9(3-methyl-2,5-dioxopyrrol-1-yl)methyl)benzol and a carrier, 2-8 parts of insoluble sulfur and 0.5-1.5 parts of a sulfenamide accelerator DZ.

Description

technical field [0001] The invention relates to the technical field of tire rubber, which is a rubber composition suitable for coating steel cords of radial tires used in construction machinery due to high-temperature and long-term vulcanization causing severe overvulcanization. Background technique [0002] As we all know, the cord-rubber composite (composed of the cord and the rubber composition coated on it) in the radial tire is the main load-carrying member of the tire, they provide strength and stability for the sidewall and tread, and maintain air pressure . The adhesion between the steel cord and the rubber composition coated thereon directly affects the performance and service life of the radial tire. [0003] Radial tire products for construction machinery bear heavy loads, travel slowly, and are used in harsh environments. In order to adapt to withstand high loads, the diameter and strength of the skeleton material of radial tires for engineering machinery shoul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/06C08K13/02C08K3/04C08K3/22C08K5/098C08K5/09
CPCC08K13/02C08K3/04C08K3/22C08K5/09C08K5/098C08K2003/2296C08L7/00C08L9/06
Inventor 刘华孙宝兴董秀玲谷宁崔轶孟婴高培娜
Owner TRIANGLE TIRE
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