Buffer block rubber composition for automobile

A rubber composition and buffer block technology are applied in the fields of buffer rubber products and automotive buffer block rubber thick products, which can solve the problems of low compression permanent deformation, loss of high elasticity of rubber, failure of rubber buffer blocks, etc. Rubber hardness, the effect of reducing heat generation

Inactive Publication Date: 2012-12-19
SHANGHAI ZHONGLI AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As we all know, if you want to greatly increase the stiffness, you must increase the hardness of the rubber to meet the stiffness requirements of this condition. Generally, the hardness of the rubber should be increased to about 70 or 80 degrees, and the hardness of the

Method used

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  • Buffer block rubber composition for automobile
  • Buffer block rubber composition for automobile
  • Buffer block rubber composition for automobile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] An automobile buffer block rubber composition is prepared from the following raw materials in parts by weight:

[0039] SVR-3L 60 copies;

[0040] BR9000 40 copies;

[0041] 2 parts of N-isopropyl-N'-phenyl-p-phenylenediamine (anti-aging agent 4010NA);

[0042] 2 parts of 2,2,4-trimethyl-1,2-quinoline dichloride polymer (anti-aging agent RD);

[0043] Microcrystalline paraffin 1900 2 parts;

[0044] 5 parts of naphthenic oil;

[0045] N-550 50 copies;

[0046] 5 copies of WB212;

[0047] 10 parts of zinc methacrylate;

[0048] 8 parts of zinc oxide;

[0049] 3 parts of stearic acid;

[0050] 2 parts of sulfur;

[0051] 1.6 parts of N-tert-butyl-2-benzothiazole sulfenamide (accelerator NS);

[0052] Zinc dibutyl dithiocarbamate (accelerator BZ) 0.4 part.

[0053] The preparation process is:

[0054] (1) One-stage mixing: raise the temperature of the mixer to 140±10°C, put SVR-3L, BR9000 and zinc methacrylate into the mixer for mixing, and the mixing time is 5...

Embodiment 2

[0059] An automobile buffer block rubber composition is prepared from the following raw materials in parts by weight:

[0060] SVR-3L 70 copies;

[0061] BR9000 30 copies;

[0062] 5 parts of zinc oxide;

[0063] 1 part of stearic acid;

[0064] 2.5 parts of 2,2,4-trimethyl-1,2-quinoline dichloride polymer (anti-aging agent RD);

[0065] 1.5 parts of N-isopropyl-N'-phenyl-p-phenylenediamine (anti-aging agent 4010NA);

[0066] Microcrystalline paraffin 1900 4 parts;

[0067] 20 parts of zinc methacrylate;

[0068] 3 copies of WB212;

[0069] 3 parts of naphthenic oil;

[0070] N-550 30 copies;

[0071] 1.7 parts of N-tert-butyl-2-benzothiazole sulfenamide (accelerator NS);

[0072] 0.3 part of zinc dibutyl dithiocarbamate (accelerator BZ);

[0073] Sulfur 1.5 parts.

[0074] The preparation process is the same as in Example 1.

Embodiment 3

[0076] An automobile buffer block rubber composition is prepared from the following raw materials in parts by weight:

[0077] SVR-3L 60 copies;

[0078] BR9000 40 copies;

[0079] 6 parts of zinc oxide;

[0080] 2 parts of stearic acid;

[0081] 1.5 parts of 2,2,4-trimethyl-1,2-quinoline dichloride polymer (anti-aging agent RD);

[0082] 2.5 parts of N-isopropyl-N'-phenyl-p-phenylenediamine (anti-aging agent 4010NA);

[0083] Microcrystalline paraffin 1900 3 parts;

[0084] 15 parts of zinc methacrylate;

[0085] 4 copies of WB212;

[0086] 4 parts of naphthenic oil;

[0087] N-550 40 copies;

[0088] 1.8 parts of N-tert-butyl-2-benzothiazole sulfenamide (accelerator NS);

[0089] 0.2 part of zinc dibutyl dithiocarbamate (accelerator BZ);

[0090] Sulfur 2.5 parts.

[0091] The preparation process is the same as in Example 1.

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PUM

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Abstract

The invention discloses a buffer block rubber composition for an automobile, which is characterized by being prepared by raw materials in parts by weight: 60-70 parts of nature rubber, 30-40 parts of butadiene rubber, 1.5-2.5 parts of p-phenylenediamine anti-aging agent, 1.5-2.5 parts of dihydro-quinoline anti-aging agent, 2-4 parts of physical anti-aging agent, 3-5 parts of dispersion homogenizing agent, 30-50 parts of reinforcing agent, 3-5 parts of plasticizer, 10-20 parts of zinc methacrylate, 1.5-2.5 parts of vulcanizing agent, 5-8 parts of active agent, 1-3 parts of stearic acid and 1.6-2.0 parts of accelerant. According to the buffer block rubber composition, the hardness of rubber is improved, and the rubber content of the rubber is effectively increased, so that the buffer block rubber composition is more excellent in elasticity, is not easily deformed and is very small in deformation.

Description

technical field [0001] The invention relates to a thick rubber product of a buffer block for automobiles, in particular to a buffer rubber product used for light trucks, and belongs to the technical field of rubber products and chemical industry. Background technique [0002] Generally, the main component of the automobile chassis buffer block material is natural rubber or its combined rubber. Because of its good elasticity and high mechanical strength, natural rubber has excellent self-reinforcing strength, cold resistance, bending resistance, and less heat generation after repeated deformation. , tensile and wear-resistant characteristics, are widely used. However, because the function of the chassis buffer block is to limit the jump of the axle (axle), the overall shock absorption effect of the body is improved significantly. Due to the large force of the buffer block, the buffer is frequently squeezed. like Figure 1-2 As shown, it is a schematic diagram of the structu...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08K13/02C08K5/18C08K5/01C08K3/04C08K5/098C08K3/06C08K3/22C08K5/09C08K5/372C08K5/47
Inventor 李庆团
Owner SHANGHAI ZHONGLI AUTO PARTS
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