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Radial tire tread base rubber of wheeled loader and preparation method thereof

A tire-type loader, radial tire technology, applied in the field of tire rubber, can solve the problems of unqualified semi-finished product size, difficult rubber material processing, large amount of silica, etc., and achieves an increase in the qualification rate, raw material cost saving, and raw material cost reduction. Effect

Inactive Publication Date: 2016-05-04
SHANDONG YONGTAI CHEM GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the large amount of white carbon black in the tread base rubber, it is difficult to process the rubber material, and it is easy to cause the size of the tread extrusion semi-finished product to be unqualified, and the process viscosity is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] The radial tire tread base rubber of the tire loader includes the following raw materials in parts by weight:

[0068] NR80 copies;

[0069] 20 copies of IR;

[0070] Carbon black N32630 parts;

[0071] Carbon black N66021 parts;

[0072] 13 parts of white carbon black;

[0073] 3.6 parts of zinc oxide;

[0074] 0.7 parts of stearic acid;

[0075] Anti-aging agent 40201.4 parts;

[0076] 1.1 parts of antioxidant RD;

[0077] Accelerator NS0.8 parts;

[0078] Sulfur 3.0 parts.

[0079] The preparation method of the radial tire tread base rubber of the tire loader comprises the following three stages of mixing:

[0080](1) One-stage mixing: first, 80 parts of NR and 20 parts of IR, 13 parts of white carbon black, 3.6 parts of zinc oxide, 0.7 parts of stearic acid, 1.4 parts of anti-aging agent 4020, 1.1 parts of anti-aging agent RD, and 30 parts of carbon black 2 / 3 of the total amount of N326 and 21 parts of carbon black N660 were sequentially added to the inter...

Embodiment 2

[0088] The radial tire tread base rubber of the tire loader includes the following raw materials in parts by weight:

[0089] NR80 copies;

[0090] 20 copies of IR;

[0091] Carbon black N32634 parts;

[0092] Carbon black N66018 parts;

[0093] 15 parts of white carbon black;

[0094] 3.0 parts of zinc oxide;

[0095] 1.1 parts of stearic acid;

[0096] Anti-aging agent 40201.2 parts;

[0097] 1.4 copies of antioxidant RD;

[0098] Accelerator NS0.7 parts;

[0099] 3.4 parts of sulfur.

[0100] The preparation method of the radial tire tread base rubber of the tire loader comprises the following three stages of mixing:

[0101] (1) One-stage mixing: first, mix 80 parts of NR with 20 parts of IR, 15 parts of white carbon black, 3.0 parts of zinc oxide, 1.1 parts of stearic acid, 1.2 parts of antioxidant 4020, 1.4 parts of antioxidant RD, and 34 parts of carbon black 2 / 3 of the total amount of N326 and 18 parts of carbon black N660 were sequentially added to the inter...

Embodiment 3

[0109] The radial tire tread base rubber of the tire loader includes the following raw materials in parts by weight:

[0110] NR80 copies;

[0111] 20 copies of IR;

[0112] Carbon black N32633 parts;

[0113] Carbon black N66020 parts;

[0114] 15 parts of white carbon black;

[0115] 3.5 parts of zinc oxide;

[0116] 0.9 parts of stearic acid;

[0117] Anti-aging agent 40201.3 parts;

[0118] 1.2 parts of antioxidant RD;

[0119] Accelerator NS0.75 parts;

[0120] 3.2 parts of sulfur.

[0121] The preparation method of the radial tire tread base rubber of the tire loader comprises the following three stages of mixing:

[0122] (1) One-stage mixing: first, mix 80 parts of NR with 20 parts of IR, 15 parts of white carbon black, 3.5 parts of zinc oxide, 0.9 parts of stearic acid, 1.3 parts of antioxidant 4020, 1.2 parts of antioxidant RD, and 33 parts of carbon black 2 / 3 of the total amount of N326 and 20 parts of carbon black N660 were sequentially added to the inter...

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PUM

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Abstract

The present invention belongs to the technical field of tire rubber, and in particular relates to a radial tire tread base rubber of a wheeled loader and a preparation method thereof. The radial tire tread base rubber of the wheeled loader includes the following raw materials by weight: 80 parts of NR, 20 parts of IR, 30-34 parts of carbon black N326, 18-21 parts of carbon black N660, 13-15 parts of white carbon black, 3.0-3.6 parts of zinc oxide, 0.7-1.1 parts of stearic acid, 1.2-1.4 parts of an antioxidant 4020, 1.1-1.4 parts of an antioxidant RD, 0.7-0.8 part of a promoter NS and 3.0-3.4 parts of sulfur. IR is used to replace part of the NR, in order to reduce Mooney viscosity of the rubber and improve the qualified rate of tread extruded semi-finished products, improve the process viscosity of the semi-finished products, and improve the production efficiency of molding.

Description

technical field [0001] The invention belongs to the technical field of tire rubber, and in particular relates to a radial tire tread base rubber for a tire loader and a preparation method thereof. Background technique [0002] Wheel loaders are widely used in highways, railways, ports, docks, coal, mines, water conservancy, national defense and other projects and urban construction, for mechanical activities such as shovel transportation. It plays an important role in reducing labor intensity, speeding up project construction and improving project quality. [0003] The main function of the wheel loader is to shovel and transport loose materials over short distances. It is one of the models with the fastest development, the largest production and sales volume and market demand in construction machinery. At present, the tire loader is common, and the crawler loader is opposite to it. Compared with the crawler, it has the advantages of good maneuverability, no damage to the r...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08K13/02C08K3/04C08K3/36C08K3/22C08K5/09C08K3/06
CPCC08L7/00C08K2201/014C08L9/00C08K13/02C08K3/04C08K3/36C08K2003/2296C08K5/09C08K3/06
Inventor 尤晓明王显涛张新平曹佃波冯小波
Owner SHANDONG YONGTAI CHEM GROUP