Tread rubber for whole steel load bearing low-rolling-resistant tire

Abstract

The invention discloses tread rubber for a whole steel load bearing low-rolling-resistant tire. The tread rubber is characterized by being prepared from the following raw materials in parts by weight:61 to 79 parts of natural rubber, 21 to 39 parts of neodymium series butadiene rubber, 20 to 35 parts of carbon black, 18 to 32 parts of high dispersion white carbon black, 1.5 to 3.2 parts of silanecoupling agents, 2 to 5 parts of zinc oxides, 1 to 3 parts of stearic acids, 0.5 to 3 parts of anti-aging agents 6PPD, 0.5 to 3 parts of anti-aging agents RD, 0.5 to 3 parts of microcrystalline wax,1 to 1.8 parts of oil filling sulfur, 1 to 2.5 parts of accelerators NS, 0.1 to 1.5 parts of accelerators DTDM and 0.1 to 0.5 part of anti-coking agents CTP. The tread rubber composition provided by the invention has the advantages that on the premise of meeting high load requirements, the tread rubber has good physical and mechanical performance and low rolling resistance.

Description

technical field [0001] The invention relates to the technical field of tire rubber processing, in particular to a tread rubber for all-steel truck tires with low rolling resistance, in particular to all-steel truck tires with low rolling resistance. Background technique [0002] With the rapid development of the automobile industry, people put forward higher requirements for the safety, energy saving, environmental protection and durability of tires. For this reason, Europe took the lead in formulating strict tire labeling laws, and countries such as the United States, Japan, South Korea, and China have also issued corresponding tire labeling regulations. Therefore, reducing the rolling resistance of tires and improving performance has become one of the research hotspots. [0003] Literature shows that tire rolling resistance fuel consumption accounts for 14-17% of vehicle fuel consumption, and every 10% reduction in tire rolling resistance can usually reduce fuel consumpti...

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Problems solved by technology

[0004] In order to reduce the rolling resistance of the tire tread, researchers have tried to use modified natural rubber, solution polystyrene butadiene rubber, neodymium butadiene rubber, low hysteresis Carbon black, new structure silica, new silane coupling agent, new modified filler, etc., but there are relatively few studies on all-steel truck tire treads and each method has its own advantages and disadvantages. The key is how to On the basis of ensuring that the comprehensive performance requirements are met under high load characteristics, the rolling resistance is reduced, and the performance of the tire is further improved

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