阅读说明：本技术 一种橡胶履带用花纹胶料橡胶组合物 (Pattern rubber material rubber composition for rubber track ) 是由 韩慧 杨茂林 蔡庆 李文东 李大为 贾云海 于 2019-03-22 设计创作，主要内容包括：本发明公开了一种橡胶履带用花纹胶的橡胶组合物的配方及其制备方法。按重量份计组合物构成：橡胶100份,由天然橡胶50~80份,丁苯橡胶0~50份,顺丁橡胶0~30份并用组成,炭黑35~60份,白炭黑5~20份,si-69 0.5~2份,硬脂酸2~3.5份,氧化锌2~5份,防老剂1~4份,增粘树脂1~5份,操作油3~10份,硫磺1~3份,促进剂0.5~3份。本发明所述花纹胶以天然胶为主,通过配方设计,满足橡胶履带的使用性能,并具有较好的耐磨性能和耐切割性能。(The invention discloses a formula of a rubber composition of tread rubber for a rubber track and a preparation method thereof. The composition comprises the following components in parts by weight: 100 parts of rubber, which consists of 50-80 parts of natural rubber, 0-50 parts of styrene butadiene rubber, 0-30 parts of butadiene rubber, 35-60 parts of carbon black, 5-20 parts of white carbon black, si-690.5-2 parts of stearic acid, 2-3.5 parts of zinc oxide, 1-4 parts of an anti-aging agent, 1-5 parts of tackifying resin, 3-10 parts of operating oil, 1-3 parts of sulfur and 0.5-3 parts of an accelerator. The pattern rubber provided by the invention is mainly made of natural rubber, meets the service performance of the rubber track through formula design, and has better wear resistance and cutting resistance.)

1. The formula of a rubber composition of tread rubber for a rubber track and a preparation method thereof are disclosed, wherein the composition comprises the following components in parts by weight:

50-80 parts of natural rubber, 0-50 parts of styrene butadiene rubber and 0-30 parts of butadiene rubber;

35-60 parts of carbon black;

5-20 parts of white carbon black;

si-690.5-2 parts;

2-3.5 parts of stearic acid;

2-5 parts of zinc oxide;

1-4 parts of anti-aging agent

1-5 parts of tackifying resin;

3-10 parts of operating oil;

1-3 parts of sulfur;

0.5-3 parts of an accelerator.

2. The formulation of a tread rubber composition for a rubber track as defined in claim 1, wherein: 100 parts of rubber;

40-60 parts of carbon black;

6-15 parts of white carbon black;

si-690.6-2 parts;

2-3.5 parts of stearic acid;

2-5 parts of zinc oxide;

1-3.5 parts of anti-aging agent

1-3.5 parts of tackifying resin;

3-8 parts of operating oil;

1-2.5 parts of sulfur;

0.6-3 parts of an accelerator.

3. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the natural rubber is special Hainan natural rubber or 3# smoked sheet rubber, the styrene butadiene rubber is SBR1500, and the butadiene rubber is BR 9000.

4. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the carbon black is N234 or N220.

5. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the white carbon black is high-dispersion white carbon black.

6. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the anti-aging agent is p-phenylenediamine rubber anti-aging agent or is used together with anti-aging agent RD.

7. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the operating oil is aromatic oil.

8. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the accelerator is N-tertiary butyl-2-benzothiazole sulfonamide.

9. The formulation of a tread rubber composition for a rubber track according to claim 1 or 2, wherein: the sulfur is oil-filled sulfur.

10. The formulation of a tread rubber composition for a rubber track and the process for preparing the same as claimed in claim 1 or 2, wherein: the preparation method of the rubber composition comprises the following steps:

(1) firstly plasticating natural rubber on an open mill;

(2) the rubber materials are proportioned according to a proportion and are mixed in a 1.6L internal mixer according to a standard rubber mixing process to obtain master batch;

(3) mixing the master batch and the sulfur accelerator according to a proportion, mixing on an open mill, adjusting the roll spacing according to the condition of glue accumulation, adding the sulfur and the accelerator, performing thin-pass rolling for 6 times after the medicine is dispersed, performing triangular bag packing for 6 times, fully mixing, discharging a 6mm rubber sheet, inspecting the quality of the rubber material, and tabletting the rubber material to obtain the final rubber compound;

(4) and (4) selecting a vulcanization mold according to experimental performance requirements, and vulcanizing the final rubber compound in a vulcanizing press.

Technical Field

The invention belongs to the technical field of rubber tracks, and relates to a rubber composition of a pattern rubber material for a rubber belt track.

Background

Compared with a metal track, the rubber track has the remarkable advantages of light weight, small vibration, low noise, less oil consumption, good longitudinal flexibility and the like. Because the advantages of the all-terrain use are obvious, the rubber track has wide application fields, not only is applied to agriculture and engineering machinery, but also develops rapidly in the military field.

The military tracked vehicle in China is technically upgraded in the aspects of speed increase, weight reduction, universalization use and the like, and the formula research and development of the rubber track matched with the vehicle, particularly the research and development of the tread rubber, are particularly important.

The track specifications of the existing domestic agricultural machinery generally have low requirements on the formula, and the rapid development of military tracked vehicles needs to develop pattern glue with excellent service performance and good wear resistance to match with the track glue.

Disclosure of Invention

The invention aims to provide a rubber composition of a pattern rubber material for a rubber track, which aims to solve the technical problems of short service life, poor wear resistance and the like of the conventional rubber track.

The technical scheme adopted by the invention is as follows:

the invention relates to a formula of a rubber composition of a tread rubber for a rubber track, which comprises the following components in parts by weight:

50-80 parts of natural rubber, 0-50 parts of styrene butadiene rubber and 0-30 parts of butadiene rubber;

35-60 parts of carbon black;

5-20 parts of white carbon black;

si-690.5-2 parts;

2-3.5 parts of stearic acid;

2-5 parts of zinc oxide;

1-4 parts of anti-aging agent

1-5 parts of tackifying resin;

3-10 parts of operating oil;

1-3 parts of sulfur;

0.5-3 parts of an accelerator.

The weight ratio of the components is preferably as follows:

100 parts of rubber: wherein the rubber comprises 50-80 parts of natural rubber, 10-50 parts of styrene butadiene rubber and 0-20 parts of butadiene rubber;

40-60 parts of carbon black;

6-15 parts of white carbon black;

si-690.6-2 parts;

2-3.5 parts of stearic acid;

2-5 parts of zinc oxide;

1-3.5 parts of anti-aging agent

1-3.5 parts of tackifying resin;

3-8 parts of operating oil;

1-2.5 parts of sulfur;

0.6-3 parts of an accelerator.

In the technical scheme, the natural rubber is special Hainan natural rubber or 3# smoked sheet rubber, the styrene butadiene rubber is SBR1500, and the butadiene rubber is BR 9000.

The carbon black is N234 or N220.

The white carbon black is high-dispersion white carbon black.

The anti-aging agent is p-phenylenediamine rubber anti-aging agent or is used together with anti-aging agent RD.

The operating oil is aromatic oil.

The accelerator is N-tertiary butyl-2-benzothiazole sulfonamide.

The sulfur is oil-filled sulfur.

The preparation method of the rubber composition comprises the following steps:

(1) firstly plasticating natural rubber on an open mill;

(2) proportioning according to the proportion of the rubber material, and mixing in an internal mixer according to a standard rubber mixing process to obtain master batch;

(3) mixing the master batch and the sulfur accelerator according to a proportion, mixing on an open mill, adjusting the roll spacing according to the condition of glue accumulation, adding the sulfur and the accelerator, performing thin-pass rolling for 6 times after the medicine is dispersed, performing triangular bag packing for 6 times, fully mixing, discharging a 6mm rubber sheet, inspecting the quality of the rubber material, and tabletting the rubber material to obtain the final rubber compound;

(4) and (4) selecting a vulcanization mold according to experimental performance requirements, and vulcanizing the final rubber compound in a vulcanizing press.

The invention has the beneficial effects that: the service performance, especially the wear resistance and the cutting resistance, of the patterned rubber is improved.

Detailed Description

The present invention will be further described with reference to specific examples, but the present invention is not limited to these examples.