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Noise-reducing rubber tube material for automobile and preparation method thereof

A rubber hose and noise technology, which is applied in the field of automobile noise-reducing rubber hose materials and its preparation, can solve the problems such as the decline in the mechanical strength of nitrile rubber, and achieve the effects of increasing anti-aging performance, good noise reduction effect, and convenient operation

Inactive Publication Date: 2020-05-12
余姚市环境保护监测站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, when the noise reduction rubber hose made of the above-mentioned nitrile rubber damping material is used in a long-term sour gasoline and high temperature (150°C) environment, the mechanical strength of the nitrile rubber will decrease to a certain extent, which in turn makes the damping of the noise reduction rubber hose There is still a large difference between the peak and the damping peak of aluminum tubes in automotive engines and turbochargers and intercooler tubes

Method used

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  • Noise-reducing rubber tube material for automobile and preparation method thereof
  • Noise-reducing rubber tube material for automobile and preparation method thereof
  • Noise-reducing rubber tube material for automobile and preparation method thereof

Examples

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preparation example Construction

[0066] The preparation method of above-mentioned sebific hose material, see figure 1 , including the following steps:

[0067] ①, premixed

[0068] Weigh AEM, ACM, CPP and PP-g-MAH in set weight parts, put them into a mixer, and stir for 4 minutes at a speed of 280r / min to obtain a premix;

[0069] ②, mixing

[0070] Add plasticizer RS735, carbon black, stearic acid, anti-aging agent 445, flow aid, 1# vulcanizing agent and accelerator ACT-55 in set weight parts in sequence to the premix in step ①, and continue stirring for 2 minutes. get the final mix;

[0071] ③, extrusion granulation

[0072] Put the final compound into the extruder, set the temperature of the extrusion feeding section to 50°C, the temperature of the first stage of plasticization to 60°C, the temperature of the second stage of plasticization to 60°C, and the temperature of the machine head to 70°C, and granulate after extrusion cooling to obtain Final hose material.

Embodiment 2-4

[0074] Examples 2-4 are all based on the method of Example 1, and the components and process parameters of the rubber hose material are adjusted, and the specific adjustments are shown in Table 1 below.

[0075] Table 1 The component parameter table of embodiment 1-8

[0076]

[0077]

Embodiment 7

[0079] Example 7 On the basis of the method in Example 1, the maleic anhydride grafting agent PP-g-MAH was replaced by CPP-g-MAH.

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Abstract

The invention relates to the technical field of automobile parts, in particular to a noise-reducing rubber tube material for automobiles and a preparation method thereof. The rubber tube material comprises the following components in parts by weight: 20-50 parts of AEM, 50-80 parts of ACM, 5-20 parts of CPP, 1-8 parts of a maleic anhydride grafting agent, 5-20 parts of a plasticizer, 20-80 parts of carbon black, 1-3 parts of stearic acid, 1-3 parts of an anti-aging agent, 2-10 parts of a flow aid, 1-5 parts of a vulcanizing agent and 1-5 parts of an accelerant. The rubber tube material disclosed by the invention is prepared through the procedures of premixing, total mixing and extrusion granulation; the damping peak of the prepared rubber tube material is close to the damping peak of an aluminum tube and an intercooler tube in an automobile engine and a turbocharger; meanwhile, the rubber tube material has good mechanical strength, high temperature resistance and corrosion resistance,and can achieve a noise reduction effect on equipment such as the automobile engine, the turbocharger and the like. The whole preparation method is simple in process, convenient to operate and convenient for batch production of rubber tube materials.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a rubber hose material for reducing noise used in automobiles and a preparation method thereof. Background technique [0002] With the development of industrial technology, automobiles have become people's daily means of transportation. During the running of the car, the vibration and noise between the car engine, the turbocharger and the intercooler greatly affect people's driving experience. Polymer materials can effectively reduce the harm caused by vibration and noise because they can convert part of the mechanical energy into heat energy and dissipate it through the internal friction generated by the movement of molecular segments. [0003] The noise reduction hose made of polymer material is mainly connected between the aluminum tube of the automobile engine and the aluminum pipe of the turbocharger, or between the intercooler pipe and the aluminum pipe of the automobil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/04C08L23/08C08L23/28C08L51/06C08K13/02C08K3/04C08K5/09C08K7/00C08K3/34C08K13/04
CPCC08K2201/014C08L23/0869C08L33/04C08L2201/08C08L2203/18C08L2205/035C08L23/28C08L51/06C08K13/02C08K3/04C08K5/09C08K7/00C08K3/34C08K13/04
Inventor 黄绍荣高立传李旭蒋广煜袁银松
Owner 余姚市环境保护监测站