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Giant engineering tire tread rubber and giant engineering tyre using the same

A technology for engineering tires and tread rubber, which is applied in the field of giant engineering tires and tread rubber for giant engineering tires, can solve the problems of different vulcanization degrees, uncoordinated vulcanization speeds, and easy oversulfurization of the outer layer, and achieves uniform vulcanization degree and vulcanization. Tempo sync effect

Inactive Publication Date: 2009-05-27
HAOHUA SOUTH CHINAGUILIN RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the tread of engineering tires generally adopts a double-tread structure, which is composed of tread cap rubber and tread base rubber. This tread structure is ideal for small-sized or relatively large-sized engineering tires. , but for large-sized OTR tires, there are still some deficiencies. For example, from the outer layer of the tread to the inner layer, the vulcanization speed is not coordinated, which will cause different vulcanization degrees, and the outer layer is easy to overvulcanize; at the same time, due to the The tread is thicker, if it is only designed as a double-tread structure, the formula is difficult to coordinate the matching between the wear resistance, heat resistance, tear resistance, low heat generation and vulcanization speed of the tire tread

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Giant engineering tire tread rubber, consisting of (A) tread cap rubber, (B) tread middle rubber and (C) tread base rubber, wherein,

[0051] The (A) tread cap rubber consists of the following components in parts by weight:

[0052] 100 parts of natural rubber

[0053] N220 reinforcing carbon black 40 parts

[0054] UltrasilVN3GR 20 parts

[0055] Sulfron 3000 2 servings

[0056] Silane coupling agent Si69 3 parts

[0057] Accelerator TBBS 1.2 parts

[0058] Anti-reversion agent SAR534 2 parts

[0059] Sulfur 1.5 parts

[0060] Antiager 4020 2 parts

[0061] Anti-aging agent RD 1.5 parts

[0062] Anti-aging agent DPPD 0.5 parts

[0063] Microcrystalline protective wax 1.5 parts

[0064] Aromatic hydrocarbon oil 6 parts

[0065] Plasticizer A 3 parts

[0066] Zinc oxide 5 parts

[0067] 2.5 parts of stearic acid

[0068] Anti-scorch agent CTP 0.3 part.

[0069] The (B) middle tread rubber consists of the following components in parts by weight:

[0070] 1...

Embodiment 2

[0108] Giant engineering tire tread rubber, consisting of (A) tread cap rubber, (B) tread middle rubber and (C) tread base rubber, wherein,

[0109] The (A) tread cap rubber consists of the following components in parts by weight:

[0110] Natural rubber 50 parts

[0111] 50 parts of styrene-butadiene rubber

[0112] N115 reinforcing carbon black 10 parts

[0113] N234 reinforcing carbon black 50 parts

[0114] Ultrai l@7000GR 5 copies

[0115] Sulfron 3000 0.5 parts

[0116] Silane coupling agent Si69 1 part

[0117] Accelerator CBS 1.5 parts

[0118] Accelerator DPG 0.5 parts

[0119] Anti-reversion agent AK73A 0.2 parts

[0120] 1 part sulfur

[0121] Antiager 4020 3 parts

[0122] Anti-aging agent RD 2 parts

[0123] Anti-aging agent DPPD 1 part

[0124] Microcrystalline protective wax 4 parts

[0125] 3 parts aromatic oil

[0126] 40MS 6 parts

[0127] Zinc oxide 3.5 parts

[0128] 1.5 parts of stearic acid

[0129] Anti-scorch agent NA 0.05 parts.

[0130...

Embodiment 3

[0169] Jumbo engineering tires, comprising a tread compound consisting of (A) a cap tread compound, (B) a midtread compound, and (C) a base tread compound, wherein,

[0170] The (A) tread cap rubber consists of the following components in parts by weight:

[0171] 80 parts of natural rubber

[0172] 20 parts of styrene-butadiene rubber

[0173] N220 reinforcing carbon black 10 parts

[0174] N234 reinforcing carbon black 10 parts

[0175] Ultrail@7000GR 40 copies

[0176] Sulfron 3000 10 parts

[0177] Mixed masterbatch of Si69 dispersed in N330 carbon black (1:1) 8 parts

[0178] Accelerator MBS 0.5 part

[0179] Anti-reversion agent HTS 4 parts

[0180] Sulfur 2.8 parts

[0181] Antiaging agent 4020 1.5 parts

[0182] Anti-aging agent RD 1 part

[0183] Anti-aging agent DPPD 0.5 parts

[0184] Microcrystalline protective wax 3 parts

[0185] Aromatic hydrocarbon oil 10 parts

[0186] Carbon black dispersant T-78 0.5 parts

[0187] Zinc oxide 10 parts

[0188] ...

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Abstract

The invention discloses tread rubber for a large project tire and the large project tire using the tread rubber. The tread rubber for the large project tire consists of (A) tread cap rubber, (B) tread center rubber and (C) tread base rubber. On one hand, the invention adopts rubber matrixes with three different formulas to well solve the problem that an outer layer is easy to overcure if the tread rubber for the large project tire is thick; and on the other hand, the tread rubber prepared by the three formulas of the rubber matrixes can obtain superior equilibrium between abrasion resistance, heat resistance, tear resistance, low heat generation and curing speed.

Description

(1) Technical field: [0001] The invention relates to a tire tread rubber, in particular to a giant engineering tire tread rubber and a giant engineering tire using the tread rubber. (two) background technology: [0002] At present, the tread of engineering tires generally adopts a double-tread structure, which is composed of tread cap rubber and tread base rubber. This tread structure is ideal for small-sized or relatively large-sized engineering tires. , but for large-sized OTR tires, there are still some deficiencies. For example, from the outer layer of the tread to the inner layer, the vulcanization speed is not coordinated, which will cause different vulcanization degrees, and the outer layer is easy to overvulcanize; at the same time, due to the The tread of the tire is thicker, if it is only designed as a double tread structure, the formula is difficult to coordinate the matching between the wear resistance, heat resistance, tear resistance, low heat generation and vu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L9/06C08K13/02C08K3/06C08K5/47C08K5/31C08K5/43C08K3/04C08K3/36B60C1/00
Inventor 周胜何桂德许光明
Owner HAOHUA SOUTH CHINAGUILIN RUBBER
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