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A kind of rubber material for automobile oil return pipe and its preparation process

A technology for oil return pipes and automobiles, applied in the field of automobile materials, which can solve the problems of poor insulation performance, poor ozone resistance, and low temperature resistance, and achieve the effect of improving oil resistance and cold resistance

Inactive Publication Date: 2018-03-27
YANCHENG SAIFO AUTOMOBILE PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are poor low temperature resistance, poor ozone resistance, poor insulation performance, and slightly lower elasticity.

Method used

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  • A kind of rubber material for automobile oil return pipe and its preparation process
  • A kind of rubber material for automobile oil return pipe and its preparation process
  • A kind of rubber material for automobile oil return pipe and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In the embodiment of the present invention, a rubber material for an automobile oil return pipe is composed of the following raw materials in parts by weight: 70 parts of nitrile rubber, 30 parts of butylpyridine rubber, 20 parts of spray carbon black, 1.5 parts of stearic acid, vegetable 2.0 parts of seed oil, 2.0 parts of dibutyl ester, 4 parts of sepiolite powder, 14 parts of quartz powder, 0.8 parts of anti-aging agent RD, 1.3 parts of anti-aging agent AW, 1.6 parts of anti-aging agent ODA, N,N'-m-phenylene bismas 7.8 parts of imide, 0.20 parts of accelerator TMTD, and 1.5 parts of accelerator DM.

[0023] The preparation process of the sizing material for the automobile oil return pipe comprises the following steps:

[0024] (1) Mix nitrile rubber, butyl rubber, stearic acid and rapeseed oil uniformly in proportion, and place ultrasonic power at 350W and ultrasonic frequency at 35kHz for ultrasonic dispersion for 16 minutes to obtain the first ultrasonic mixture; ...

Embodiment 2

[0031] In the embodiment of the present invention, a rubber material for an automobile oil return pipe is composed of the following raw materials in parts by weight: 85 parts of nitrile rubber, 15 parts of butylpyridine rubber, 25 parts of spray carbon black, 1.2 parts of stearic acid, vegetable 2.8 parts of seed oil, 1.6 parts of dibutyl ester, 7 parts of sepiolite powder, 10 parts of quartz powder, 1.2 parts of anti-aging agent RD, 1.1 parts of anti-aging agent AW, 2.0 parts of anti-aging agent ODA, N, N'-m-phenylene bismas 6.5 parts of imide, 0.27 parts of accelerator TMTD, and 1.2 parts of accelerator DM.

[0032] The preparation process of the sizing material for the automobile oil return pipe is the same as in Example 1.

Embodiment 3

[0034] In the embodiment of the present invention, a rubber material for an automobile oil return pipe is composed of the following raw materials in parts by weight: 76 parts of nitrile rubber, 24 parts of butylpyridine rubber, 22 parts of spray carbon black, 1.4 parts of stearic acid, vegetable 2.4 parts of seed oil, 1.8 parts of dibutyl ester, 5 parts of sepiolite powder, 14 parts of quartz powder, 0.9 parts of anti-aging agent RD, 1.3 parts of anti-aging agent AW, 1.6 parts of anti-aging agent ODA, N, N'-m-phenylene bismas 7.5 parts of imide, 0.24 parts of accelerator TMTD, and 1.4 parts of accelerator DM.

[0035] The preparation process of the sizing material for the automobile oil return pipe comprises the following steps:

[0036] (1) Mix nitrile rubber, butyl rubber, stearic acid and rapeseed oil uniformly in proportion, place ultrasonic power to 450W, ultrasonic frequency to carry out ultrasonic dispersion 12min under the condition of ultrasonic frequency 35kHz, obtai...

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Abstract

The invention discloses an automobile oil return pipe glue stock and a preparation process thereof. The glue stock comprises, by weight, 70-85 parts of nitrile rubber, 15-30 parts of pyridine butadiene rubber, 20-25 parts of spraying carbon black, 1.2-1.5 of stearic acid, 2.0-2.8 parts of canola oil, 1.6-2.0 parts of dibutyl ester, 4-7 parts of sea-foam stone powder, 10-14 parts of quartz powder, 0.8-1.2 parts of anti-aging agents RD, 1.1-1.3 parts of anti-aging agents AW, 1.6-2.0 parts of anti-aging agents ODA, 6.5-7.8 parts of N,N'-meta phenylene bis maleimide, 0.20-0.27 parts of accelerator TMTD and 1.2-1.5 parts of accelerators DM. According to the automobile oil return pipe glue stock, the pyridine butadiene rubber and the nitrile rubber are compounded and used, and proper filling agents and the anti-aging agents are matched, so that the prepared glue stock meets requirements of oil resistance and heat resistance, cold-resistance and aging resistance of an automobile oil return pipe.

Description

technical field [0001] The invention relates to the technical field of automobile materials, in particular to a rubber material for an automobile oil return pipe and a preparation process thereof. Background technique [0002] The function of the oil return pipe of the car is to return the excess oil to the fuel tank, which can relieve the pressure of gasoline and reduce fuel consumption; after the fuel pump supplies fuel to the engine, a certain pressure is formed. It is sent back to the fuel tank through the oil return line, and of course the excess gasoline vapor collected by the carbon tank is also returned to the fuel tank through the oil return line. Therefore, when selecting the material of the oil return pipe of the automobile, it must have excellent oil resistance and high temperature resistance at the same time. In addition, it must also have certain low temperature resistance and aging resistance. [0003] Nitrile rubber is produced by emulsion polymerization of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L9/02C08L9/00C08L91/00C08K13/02C08K3/04C08K5/09C08K5/40C08K5/47C08K3/36C08K3/34
CPCC08L9/02C08L2201/08C08L2203/18C08L2205/02C08L2205/03C08L9/00C08L91/00C08K13/02C08K3/04C08K5/09C08K5/40C08K5/47C08K3/36C08K3/346
Inventor 孙从贵杭霖生陆继忠
Owner YANCHENG SAIFO AUTOMOBILE PARTS
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