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Automobile chassis bush rubber composition

A technology for rubber composition and automobile chassis, applied in the rubber field, can solve the problems of low ratio of dynamic and static stiffness, low ratio of dynamic and static stiffness, and inability to guarantee both, and achieves the effect of ensuring high elasticity, making up for insufficient strength, and reducing the ratio of dynamic and static stiffness.

Inactive Publication Date: 2016-07-13
SHANGHAI ZHONGLI AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a rubber composition for automobile chassis bushings which is simple and clear, excellent in fatigue resistance and low in dynamic and static stiffness ratio, and solves the problem that automobile chassis bushing products cannot guarantee low dynamic and static stiffness ratio at the same time and excellent fatigue resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A kind of automobile chassis liner rubber composition, is made up of following raw material in parts by weight:

[0033] Thailand 1# smoked sheet glue (RSS1#): 80 copies;

[0034] Butadiene rubber (BR9000): 20 parts;

[0035] Zinc oxide: 5 parts;

[0036] Stearic acid: 1 part;

[0037] Antiaging agent 4.4'-bis(α.α'-dimethylbenzyl)diphenylamine: 3 parts;

[0038] Antiaging agent 2,2,4-trimethyl-1,2-dihydroquinoline polymer: 1.5 parts;

[0039] Microcrystalline wax 1900: 3.5 parts;

[0040] Bridging agent: 3 parts;

[0041] N-990: 52 copies;

[0042] Modified white carbon black: 8 parts;

[0043] Graphene: 15 parts;

[0044] Aromatic oil: 5 parts;

[0045] Sulfur: 1.5 parts;

[0046] N-cyclohexyl-2-benzothiazylsulfenamide: 0.5 part;

[0047] Dibenzothiazole disulfide: 1.2 parts;

[0048] Dithiomorpholine: 0.2 parts;

[0049] 0.3 parts of tetramethylthiuram disulfide.

[0050] Among them, the 1# smoked rubber used is produced by Thailand Tongtai Rubber Factor...

Embodiment 2

[0056] A kind of automobile chassis liner rubber composition, is made up of following raw material in parts by weight:

[0057] Thailand 1# smoked sheet glue (RSS1#): 70 copies;

[0058] Butadiene rubber (BR9000): 30 parts;

[0059] Zinc oxide: 7 parts;

[0060] Stearic acid: 1.5 parts;

[0061]Antiaging agent (4.4'-bis(α.α'-dimethylbenzyl)diphenylamine): 1.6 parts;

[0062] Antiaging agent 2,2,4-trimethyl-1,2-dihydroquinoline polymer: 1.6 parts;

[0063] Microcrystalline wax 1900: 2.5 parts;

[0064] Bridging agent: 1.5 parts;

[0065] N-990: 52 copies;

[0066] Modified white carbon black: 12 parts;

[0067] Graphene: 8 parts;

[0068] Aromatic oil: 5 parts;

[0069] Sulfur: 2.3 parts;

[0070] N-cyclohexyl-2-benzothiazylsulfenamide: 0 part;

[0071] Dibenzothiazole disulfide: 1.2 parts;

[0072] Dithiomorpholine: 0.5 parts;

[0073] 0 parts of tetramethylthiuram disulfide.

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

Embodiment 3

[0076] A kind of automobile chassis liner rubber composition, is made up of following raw material in parts by weight:

[0077] Thailand 1# smoked sheet glue (RSS1#): 70 copies;

[0078] Butadiene rubber (BR9000): 30 parts;

[0079] Zinc oxide: 6 parts;

[0080] Stearic acid: 1.5 parts;

[0081] Antiaging agent (4.4'-bis(α.α'-dimethylbenzyl)diphenylamine): 1 part;

[0082] Antiaging agent 2,2,4-trimethyl-1,2-dihydroquinoline polymer: 2 parts;

[0083] Microcrystalline wax 1900: 2 parts;

[0084] Bridging agent: 2 parts;

[0085] N-990: 56 copies;

[0086] Modified white carbon black: 6 parts;

[0087] Graphene: 9 parts

[0088] Aromatic oil: 5 parts;

[0089] Sulfur: 2.5 parts;

[0090] N-cyclohexyl-2-benzothiazylsulfenamide: 0 parts

[0091] Dibenzothiazole disulfide: 1.5 parts;

[0092] Dithiomorpholine: 0.6 parts;

[0093] 0.8 parts of tetramethylthiuram disulfide.

[0094] The preparation method is the same as in Example 1.

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PUM

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Abstract

The invention discloses an automobile chassis bush rubber composition, characterized by comprising the following materials according to parts by weight: 70-90 parts of natural rubber, 10-30 parts of cis-butadiene rubber, 0.5-3 parts of a diphenylamine antiaging agent, 1-3 parts of a dihydroquinoline antiaging agent, 1-3.5 parts of paraffin, 0.5-3 parts of a bridging agent, 6-10 parts of an activating agent, 35-75 parts of a reinforcing agent, 5-10 parts of a plasticizing agent, 1.5-3 parts of sulfur, 0.5-1.5 parts of a sulfur-containing compound, and 1-1.7 parts of an accelerant.The invention is simple and apparent and requires no addition of special expensive materials or special processing techniques; the whole production process is convenient to perform, all the materials are easy to purchase, the obtained rubber has excellent fatigue resistance and very low ratio of dynamic stiffness to static stiffness, is advanced in the technical field of the same industry and has a boarder market.

Description

technical field [0001] The invention relates to a rubber composition for automobile chassis bushings, in particular to a rubber composition for automobile chassis bushings with low dynamic-to-static ratio and excellent fatigue resistance, which is used to make shock-absorbing rubber bushings for passenger automobile chassis, and belongs to rubber technology field. Background technique [0002] Automobile bushings are divided into conventional rubber bushings and hydraulic rubber bushings. They belong to the rubber products of automobile chassis and are the connection points between various parts of the car body. Their elastic characteristics and attenuation characteristics are very good, and they can withstand various loads, isolate and attenuate vibration , reduce noise, and ensure ride comfort, have an important impact on the design of car suspension and chassis. The bushing generally includes a rubber body and a metal skeleton, and its structural forms include simple cyl...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08L91/06C08L91/00C08K13/06C08K3/04C08K3/36C08K5/18C08K5/40C08K5/47
CPCC08K2201/011C08K2201/014C08L7/00C08L2201/08C08L2205/02C08L2205/035C08L9/00C08L91/06C08L91/00C08K13/06C08K3/04C08K3/36C08K5/18C08K5/40C08K5/47
Inventor 林然
Owner SHANGHAI ZHONGLI AUTO PARTS
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