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Preparation method of rubber material for preparing high/low temperature resistant automobile gearbox oil hose

A technology for automobile gearboxes and rubber products, which is applied in the field of rubber material preparation, and can solve the problems of difficulty in meeting the increasing requirements of rubber products, changes in hardness, changes in elongation at break, low temperature resistance, and low temperature resistance. And other issues

Inactive Publication Date: 2013-11-20
上海天普汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] From the above experimental results, it can be seen that the hardness change, elongation at break change, and low temperature resistance performance items of the automobile transmission oil hose rubber products made of acrylate rubber do not meet the requirements; The rubber products of tank transportation hoses have low high and low temperature resistance, and it is difficult to meet the increasing requirements of the automotive industry for rubber products.

Method used

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  • Preparation method of rubber material for preparing high/low temperature resistant automobile gearbox oil hose
  • Preparation method of rubber material for preparing high/low temperature resistant automobile gearbox oil hose
  • Preparation method of rubber material for preparing high/low temperature resistant automobile gearbox oil hose

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preparation example Construction

[0026] The preparation method of the rubber material used to prepare rubber products such as high and low temperature resistant automotive gearbox oil hoses of the present invention comprises the following steps:

[0027] (1) Put rubber raw materials, reinforcing fillers, plasticizers, anti-aging agents, accelerators, and operating aids into the internal mixer for internal mixing, and control the temperature of the rubber below 130°C for debinding. Sheets are released from the rubber machine, cooled, and the masterbatch is obtained;

[0028] (2) Put the masterbatch into the internal mixer, add vulcanizing agent for mixing, control the temperature of the rubber below 80°C to discharge the rubber, and roll out the strips on the open rubber mixer, cool and let it stand for aging to obtain the car transmission for manufacturing. High and low temperature resistant rubber materials used in rubber products such as tank oil hoses.

[0029] In the present invention, the rubber materia...

Embodiment 1

[0033] Rubber raw material: acrylate rubber 55.18%;

[0034] Reinforcing filler: quick-pressed furnace black 38.63%;

[0035] Plasticizer: polyester oil 1.66%;

[0036] Antiaging agent: 4,4'-bis(a,a dimethylbenzyl) diphenylamine 1.10%;

[0037] Accelerator: sodium stearate 1.66%;

[0038] Processing aids: stearic acid 0.55%, N-cyclohexylthiophthalimide 0.17%, fatty acid ester 0.83%;

[0039] Vulcanizing agent: sulfur 0.11%, potassium stearate 0.11%;

[0040] The preparation method of the rubber material for preparing high and low temperature resistant automotive transmission oil hose rubber products of the present invention comprises the following steps:

[0041] (1) Control the temperature of the working room of the internal mixer below 130°C, and the rotational speed: 24 rpm, and put the rubber raw materials, reinforcing fillers, plasticizers, anti-aging agents, accelerators, and operating aids in the formula into the internal mixing In the machine, the mixing time is 5...

Embodiment 2

[0047] Rubber raw material: Acrylic rubber 55.40%;

[0048] Reinforcing filler: quick-pressed furnace black 38.61%;

[0049] Plasticizer: polyester oil 1.62%;

[0050] Antiaging agent: 4,4'-bis(a,a dimethylbenzyl) diphenylamine 1.06%;

[0051] Accelerator: sodium stearate 1.67%;

[0052] Processing aids: stearic acid 0.50%, N-cyclohexylthiophthalimide 0.16%, fatty acid ester 0.78%;

[0053] Vulcanizing agent: sulfur 0.10%, potassium stearate 0.10%;

[0054] The preparation method of the rubber material for preparing high and low temperature resistant automotive transmission oil hose rubber products of the present invention comprises the following steps:

[0055] (1) Control the temperature of the working room of the internal mixer below 130°C, and the speed: 24 rpm, and put the rubber raw materials, reinforcing fillers, plasticizers, anti-aging agents, accelerators, and operating aids in the formula into the internal mixing In the machine, the mixing time is 5-6 minutes, ...

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Abstract

A preparation method of a rubber material for preparing a high / low temperature resistant automobile gearbox oil hose comprises the following steps: (1) placing a rubber raw material, a reinforcing filler, a plasticizer, an antioxidant, a promoter and a operation auxiliary agent in an banbury mixer for banburying, unloading rubber at a rubber temperature of 130 DEG C or less, forming and cooling sheets on an open mill to obtain masterbatch; (2) inputting the masterbatch into the banbury mixer, adding a vulcanizing agent for blending, unloading rubber at a rubber temperature of 80 DEG C or less, forming strips on the open mill, and cooling and standing for aging to obtain the rubber material for preparing rubber products such as the high / low temperature resistant automobile gearbox oil hose and the like. Compared with the prior art, by using the prepared high / low temperature resistant rubber material as the raw material, the prepared automobile gearbox oil hose rubber product passes detections for various mechanical strength and physical and chemical indicators, satisfies industrial standard, meets ELV (End-of-Life Vehicles) directive requirements, and is improved in high / low temperature resistance.

Description

technical field [0001] The invention relates to a method for preparing a rubber material, in particular to a method for preparing a rubber material used for rubber products of an automobile transmission oil hose. Background technique [0002] The high temperature resistance (175°C) and low temperature resistance -35°C performance of rubber products such as automobile gearbox oil hoses produced by the existing preparation methods cannot meet the requirements. [0003] In the prior art, the test data of the rubber products of the automobile transmission oil hose made of rubber material (acrylate rubber) are as follows: [0004] [0005] From the above experimental results, it can be seen that the hardness change, elongation at break change, and low temperature resistance performance items of the automobile transmission oil hose rubber products made of acrylate rubber do not meet the requirements; The rubber products of tank oil hoses have low high and low temperature resis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/04C08K13/02C08K3/04C08K5/18C08K5/098C08K5/09C08K3/06
Inventor 尤建义
Owner 上海天普汽车零部件有限公司
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