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Tread rubber material of low-rolling-resistance all-steel radial tire and preparation method thereof

A technology for all-steel radial tires and tread rubber, which is applied in the field of low-rolling-resistance all-steel radial tire tread rubber and its preparation, can solve the problems of starting and braking hysteresis on wet and slippery roads, poor performance of low rolling resistance, and related performance problems. To reduce the coefficient of rolling resistance, reduce fuel consumption, and achieve mild operating conditions

Inactive Publication Date: 2019-04-16
GUIZHOU TIRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Among them, the tread patterns, sidewalls and wheel sizes corresponding to low rolling resistance tires are different from traditional tires. This tire has a larger diameter (longer driving distance per rotation) and narrower tire width (reduces contact with the ground) area), but the disadvantages are also obvious, that is, its grip becomes weaker, and the start and brake on wet and slippery roads also become sluggish and weak. Select, use to reduce tire rolling resistance on the basis of maintaining tire safety
[0006] In view of the wide application of low rolling resistance tires in the prior art, the low rolling resistance tires on the market have poor low rolling resistance performance, and other related performances are also poor

Method used

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  • Tread rubber material of low-rolling-resistance all-steel radial tire and preparation method thereof
  • Tread rubber material of low-rolling-resistance all-steel radial tire and preparation method thereof
  • Tread rubber material of low-rolling-resistance all-steel radial tire and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1-5, comparative example 1

[0038] The preparation method of the tread compound of low rolling resistance all-steel radial tire is carried out according to the following steps:

[0039] 1. Plastic mixing: set the speed of the internal mixer to 30rpm, add natural rubber and butadiene rubber into the internal mixer, press the bolt for 40s, lift the bolt for 30s, then press the bolt to 160°C and then discharge; after parking for 4 hours For masterbatch mixing;

[0040] 2. Masterbatch mixing: set the speed of the internal mixer to 55rpm, add plastic, zinc oxide, white carbon black, and silane coupling agent into the internal mixer, press the bolt for 30s, lift the bolt for 5s, and then press the bolt to 135 Lift the bolt after ℃ for 20s, then press the bolt to 155℃ and then discharge; after parking for 8 hours, it is used for one-time mixing;

[0041] 3. One-shot mixing: set the speed of the internal mixer to 55rpm, add masterbatch, stearic acid, carbon black, a...

Embodiment 6

[0047] Concrete formula is consistent with above-mentioned embodiment 5, just concrete preparation method is carried out according to the following steps:

[0048] 1. Plastic mixing: set the speed of the internal mixer to 55rpm, add natural rubber and butadiene rubber into the internal mixer, press the bolt for 70s, lift the bolt for 30s, then press the bolt to 170°C and then discharge; after parking for 8 hours For masterbatch mixing;

[0049] 2. Masterbatch mixing: set the speed of the internal mixer to 30rpm, add plastic, zinc oxide, white carbon black, and silane coupling agent into the internal mixer, press the bolt for 30s, lift the bolt for 5s, and then press the bolt to 135 Lift the bolt after ℃ for 20s, then press the bolt to 155℃ and then discharge; park for 24 hours and use it for one-time mixing;

[0050] 3. One-time mixing: set the speed of the internal mixer to 30rpm, add masterbatch, stearic acid, carbon black, and anti-aging agent into the internal mixer, pres...

Embodiment 7

[0052] Concrete formula is consistent with above-mentioned embodiment 5, just concrete preparation method is carried out according to the following steps:

[0053] 1. Plastic mixing: set the speed of the internal mixer to 45rpm, add natural rubber and butadiene rubber into the internal mixer, press the bolt for 50s, lift the bolt for 20s, then press the bolt to 165°C and then discharge; after parking for 6 hours For masterbatch mixing;

[0054] 2. Masterbatch mixing: set the speed of the internal mixer to 40rpm, add plastic, zinc oxide, white carbon black, and silane coupling agent into the internal mixer, press the bolt for 30s, lift the bolt for 5s, and then press the bolt to 135 After ℃, lift the plug and keep it for 20s, then press the plug to 155 °C and then discharge; after parking for 10 hours, it is used for one-time mixing;

[0055] 3. One-shot mixing: set the speed of the internal mixer to 40rpm, add masterbatch, stearic acid, carbon black, and anti-aging agent into...

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Abstract

The invention provides a tread rubber material of a low-rolling resistance all-steel radial tire and a preparation method thereof. The tread rubber material is mainly prepared by mixing, by mass, 80-100 parts of natural rubber, 0-20 parts of butadiene rubber, 20-50 parts of carbon black, 10-30 parts of white carbon black, and 1-4 parts of a silane coupling agent, the preparation comprises the following steps of: adding the white carbon black and the silane coupling agent after the natural rubber and the butadiene rubber are pressed into a plug to be mixed to obtain master batch, standing for8-24 hours, and adding carbon black for continuous mixing. According to the tread rubber material of the all-steel radial tire, a low-lag matched rubber material system is adopted, and the componentsare matched with each other, so that the produced rubber material has excellent performances in all aspects, the resilience and the wear resistance are good, especially the rolling resistance performance is more remarkable, the tan delta value of the produced rubber is in the range of 0.04-0.06 at the temperature of 60 DEG C, and the rolling resistance coefficient of the produced tire reaches grade B.

Description

technical field [0001] The invention relates to the field of tire processing, in particular to a low-rolling-resistance all-steel radial tire tread compound and a preparation method thereof. Background technique [0002] All-steel radial truck tire has a wide range of applications, strong bearing capacity, and puncture resistance. The surface of the vacuum tire is a layer of high-quality rubber. After inflation, the external tension increases, and a certain pressure is formed on the internal surface, which improves the self-sealing ability of the breach. , once punctured, unlike ordinary tires, all the gas will be released in an instant, and it will last for a certain period of time, ensuring the safety of high-speed driving. Super wear-resistant, the diameter of the vacuum tire rim is larger than that of the ordinary rim, and it will not be affected by the heat of the brake drum during driving. Since there is no inner tube and lining belt, the tire and the wheel rim are se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/00C08L91/06C08K13/02C08K3/04C08K3/36C08K3/22C08K5/09C08K5/3437
CPCC08L7/00B60C1/0016C08L9/00C08K3/04C08K7/26Y02T10/86
Inventor 冉宇宁李代强蹇海波佘腾龙王丹吴晓宇张小刚
Owner GUIZHOU TIRE
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