Acrylate rubber material, and preparation method and application thereof

A technology of acrylate and rubber materials, which is applied in the field of rubber, can solve the problems of materials being difficult to pass through, and achieve the effects of improved compression deformation, easy release of film, and reduced pressure change performance

Active Publication Date: 2016-07-20
ANHUI ZHONGDING SEALING PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its PV3307 compression set makes it

Method used

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  • Acrylate rubber material, and preparation method and application thereof
  • Acrylate rubber material, and preparation method and application thereof
  • Acrylate rubber material, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] An acrylate rubber material is mainly prepared from the following raw materials in parts by weight:

[0056]

[0057]

[0058] (1) According to the formula, send all the raw materials into the internal mixer for two-stage mixing. The specific steps are as follows:

[0059] One stage: According to the formula, the modified active chlorinated acrylate, stearic acid, fast extruded carbon black, 4,4'-bis(α,α-dimethylbenzyl)diphenylamine, anti-scorch agent, mixed ether ester The type plasticizer and lubricant are sent into the internal mixer, mixed in the internal mixer for 5min, and deglue at 110-120°C;

[0060] The second stage: add sulfur, potassium stearate and sodium stearate to the masterbatch obtained in the first stage, banbury at low speed for 30-40s, then accelerate to the speed of the first stage for 40-60s, and then discharge at 90-100℃ Glue, get the mixed rubber;

[0061] The hardness, strength and elongation of the obtained mixed rubber were tested for ...

Embodiment 2

[0066] An acrylate rubber material is mainly prepared from the following raw materials in parts by weight:

[0067]

[0068]

[0069] (1) According to the formula, send all the raw materials into the internal mixer for two-stage mixing. The specific steps are as follows:

[0070] One stage: According to the formula, the modified active chlorinated acrylate, stearic acid, fast extruded carbon black, 4,4'-bis(α,α-dimethylbenzyl)diphenylamine, anti-scorch agent, mixed ether ester The type plasticizer and lubricant are sent into the internal mixer, mixed in the internal mixer for 5min, and deglue at 110-120°C;

[0071] The second stage: add sulfur, sodium stearate and potassium stearate to the masterbatch obtained in the first stage, banbury at low speed for 30-40s, then accelerate to the speed of the first stage for 40-60s, and then discharge at 90-100℃ Glue, get the mixed rubber;

[0072] The hardness, strength and elongation of the obtained mixed rubber were tested for ...

Embodiment 3

[0077] An acrylate rubber material is mainly prepared from the following raw materials in parts by weight:

[0078]

[0079]

[0080] (1) According to the formula, send all the raw materials into the internal mixer for two-stage mixing. The specific steps are as follows:

[0081] One stage: According to the formula, the modified active chlorinated acrylate, stearic acid, fast extruded carbon black, 4,4'-bis(α,α-dimethylbenzyl)diphenylamine, anti-scorch agent, mixed ether ester The type plasticizer and lubricant are sent into the internal mixer, mixed in the internal mixer for 5min, and deglue at 110-120°C;

[0082] The second stage: add sulfur, sodium stearate and potassium stearate to the masterbatch obtained in the first stage, banbury at low speed for 30-40s, then accelerate to the speed of the first stage for 40-60s, and then discharge at 90-100℃ Glue, get the mixed rubber;

[0083] The hardness, strength and elongation of the obtained mixed rubber are tested for h...

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Abstract

The invention relates to an acrylate rubber material, and a preparation method and application thereof. The acrylate rubber material is prepared from the following raw materials by weight: 90 to 110 parts of modified active chlorine acrylate, 60 to 85 parts of a reinforcing agent, 1 to 3 parts of an anti-aging agent and 3.3 to 4.2 parts of a vulcanizing agent, wherein the acrylate rubber material undergoes secondary vulcanization, and the time of the secondary vulcanization is 6 to 8 h. The acrylate rubber material provided by the invention has excellent processing performance, is easy to demold, has wide temperature application range, can be used at minus 35 to 150 DEG C, has good lubricating oil resistance, small loss of tensile property, small volume change and small compression deformation, meets compression deformation of Volkswagen PV3307, has low cost, and facilitates to popularization and application.

Description

technical field [0001] The invention belongs to the technical field of rubber, and in particular relates to an acrylic rubber material, a preparation method and an application thereof. Background technique [0002] The oil pan gasket is installed between the oil pan and the gearbox, and produces resilience after being deformed by rubber extrusion, eliminating the gap after installation, and generating sealing contact pressure on the surface of the required sealing area, thereby preventing the internal lubrication of the gearbox The oil leaks outward, because the working temperature can reach 150°C, and the cost of fluorine rubber and ethylene acrylate is high, so ACM acrylate is the best choice. [0003] The structure of the oil pan gasket is relatively complex, and the processing performance of ACM acrylate is poor, and it is prone to problems such as flow marks and mold dirt. As a leader in the automotive industry, Volkswagen has its own performance requirements for rubbe...

Claims

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Application Information

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IPC IPC(8): C08L33/16C08K13/02C08K3/04C08K5/18C08K5/09C08K5/098B29C35/02
Inventor 夏迎松汪佑宏方炳虎刘春燕卫伟许耀东陶善喜
Owner ANHUI ZHONGDING SEALING PARTS
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