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Formula and method for applying high-strength recycled tire rubber to PCR tire tread rubber

A technology for tire tread and reclaimed rubber, which is applied in the field of rubber tires, can solve the problems of increasing waste tires, waste of resources, and impact on the ecological environment, and achieve the effects of reducing damage pressure, saving social resources, and reducing tire costs.

Inactive Publication Date: 2018-08-21
SICHUAN YUANXING RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of my country's automobile and tire industries, the demand for tires has shown a rapid development trend, but it will inevitably lead to an increase in waste tires
Great impact on the ecological environment, but also waste of resources

Method used

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  • Formula and method for applying high-strength recycled tire rubber to PCR tire tread rubber
  • Formula and method for applying high-strength recycled tire rubber to PCR tire tread rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This example discloses a formula for using high-strength tire reclaimed rubber in PCR tire tread rubber. The formula includes the following components: natural rubber SCR-5: 30-40 phr; styrene-butadiene rubber SBR1502E: 50-55 phr; High-strength tire reclaimed rubber: 15-65phr; N234 carbon black: 60-70phr; aromatic oil: 10phr; zinc oxide (99.7%): 3.0phr; stearic acid: 1.5phr; anti-aging agent TMQ: 1.5phr; 2122H wax: 1.5phr; anti-aging agent 4020 (N-(1,3-dimethyl) butyl-N'-phenyl-p-phenylenediamine): 2.0phr; insoluble sulfur HD-OT-20: 2.3phr; accelerator CZ ( N-cyclohexyl-2-benzothiazole sulfenamide): 1.0 phr.

Embodiment 2

[0024] This embodiment discloses a method for using high-strength tire reclaimed rubber in PCR tire tread rubber. Specifically, the method includes the following steps:

[0025] Step 1. Natural rubber SCR-5 mastication:

[0026] Equipment used: F370 internal mixer.

[0027] Installed volume: SCR-5: 300kg.

[0028] Machine speed: 40 rpm.

[0029] Unloading condition: 150°C.

[0030] Step 2, mixing process:

[0031] Equipment used: F370 internal mixer.

[0032] Installed volume: 350kg.

[0033] Machine speed: 40 rpm.

[0034] Unloading condition: 150°C.

[0035] Feeding sequence and corresponding process conditions:

[0036] Section A:

[0037] 0 seconds [SCR-5, styrene-butadiene rubber SBR1502E, high-strength tire reclaimed rubber, zinc oxide (99.7%), stearic acid; and 1 / 2 N234 carbon black] → 95°C (1 / 2 aromatic oil) → 130°C (upper bolt cleaning) → 150°C (unloading); park for at least 24 hours and the film temperature is at room temperature.

[0038] Section B:

[0...

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Abstract

The invention discloses a formula and a method for applying high-strength recycled tire rubber to PCR tire tread rubber. The formula comprises the following components: 30-40phr of natural rubber SCR-5, 50-55phr of butadiene styrene rubber SBR1502E, 15-65phr of high-strength recycled tire rubber, 60-70phr of N234 carbon black, 10phr of aromatic hydrocarbon oil, 3.0phr of zinc oxide, 1.5phr of stearic acid, 1.5phr of anti-aging agent TMQ, 1.5phr of 2122H wax, 2.0phr of an anti-aging agent 4020, 2.3phr of insoluble sulfur HD-OT-20 and1.0phr of accelerant CZ. Through the implementation of the invention, pressure of continuous increase in waste tires on damage to the ecological environment can be reduced, social resources are saved and the tire cost is reduced.

Description

technical field [0001] The invention relates to the technical field of rubber tires, in particular to a formula and method for using high-strength tire reclaimed rubber in PCR tire tread rubber. Background technique [0002] With the rapid development of my country's automobile and tire industries, the demand for tires shows a rapid development trend, but it also inevitably leads to the increase of waste tires. It has a great impact on the ecological environment and a waste of resources. Contents of the invention [0003] The invention overcomes the deficiencies of the prior art and provides a formula and method for using high-strength tire reclaimed rubber in PCR tire tread rubber. [0004] In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: [0005] A formula for high-strength tire reclaimed rubber used in PCR tire tread rubber, the formula includes the following components: natural rubber SCR-5: 30-...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L7/00C08L17/00C08L91/00C08L91/06C08K13/02C08K3/22C08K5/09C08K5/18C08K3/06C08K5/47B60C1/00
CPCB60C1/0016C08K2003/2296C08L9/06C08L2205/02C08L2205/035C08L7/00C08L17/00C08L91/00C08L91/06C08K13/02C08K3/22C08K5/09C08K5/18C08K3/06C08K5/47
Inventor 彭科温德林陈有龙庞统王奎
Owner SICHUAN YUANXING RUBBER