Abrasion-resistant base compound for solid tyres of heavy trucks

Abstract

The invention belongs to the technical field of rubber production, and particularly relates to an abrasion-resistant base compound for solid tyres of heavy trucks. The abrasion-resistant base compound for the solid tyres of the heavy trucks comprises raw materials in parts by weight as follows: natural rubber, carbon black N339, aromatic oil, poly-2,3,4-trimethyl-1,2-dihydroquinoline, N-(1,3-dimethyl)-N'-phenyl-p-phenylenediamine, zinc stearate, N-tert-butylbenzothiazole-2-sulfenamide, tetramethyl-thiuram sulfide, sulfur, an anti-scorching agent and P-tert-butylphenol formaldehyde resin. The base compound has the higher modulus and the good abrasion resistance, and meanwhile, the base compound is better in reversion resistance and low in hysteresis loss.

Description

technical field [0001] The invention belongs to the technical field of rubber production, and in particular relates to a wear-resistant base rubber for solid tires of trucks. Background technique [0002] Solid truck tires require low rolling resistance in order to maximize vehicle speed and operating time, although tire tread shape, crown radius, tread design and tread thickness have a great deal to do with obtaining these properties relationship, but to obtain the best results must also use the appropriate rubber formulations. Crane trucks are often overloaded during use, which leads to increased deformation and creep of the tire. With the increase of deformation and creep, the rolling resistance of the tire will also increase. As a result, the speed of the vehicle will increase. Reduced, energy consumption accelerated. Although a high-modulus rubber compound with better reinforcement performance can be obtained by selecting an appropriate carbon black variety and dosage...

AI Technical Summary

Problems solved by technology

Crane trucks are often overloaded during use, which leads to increased deformation and creep of the tires. With the increase of deformation and creep, the rolling resistance of the tires will also increase. As a result, the speed of the vehicle will increase. Reduced, energy consumption accelerated

Although the high-modulus rubber compound with better reinforcing performance can be obtained by selecting the appropriate carbon black variety and dosage, and the deformation of the tire can be reduced at the same time, but the increase in hysteresis loss will also affect the rolling resistance. Therefore, it is necessary to use high modulus and low To strike a balance between hysteresis loss, solid tires must also have good wear and tear resistance

[0003] Solid tires need a longer vulcanization time to ensure that the central part of the tread rubber reaches the ideal degree of vulcanization. This long-term vulcanization has a great impact on the performance of the tire, which will cause over-vulcanization on the surface of the tread and a certain depth in the lower part of the tread. , although vulcanization reversion usually does not significantly decrease the surface hardness during inspection, but during the use of the tire, that is, under dynamic conditions, the rapid decrease in hardness and modulus will lead to accelerated wear, increased rolling resistance and increased heat generation, while heat generation It will further reduce the modulus and hardness