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High temperature-resistant ethylene-acrylate rubber formula

A technology of ethylene acrylate and high temperature resistance, applied in the field of rubber, can solve problems such as quality problems, increased compression deformation, and failure to work normally, and achieve good heat resistance, good material properties, and meet the requirements of high temperature resistance conditions.

Inactive Publication Date: 2017-07-04
SHANDONG MEICHEN ADVANCED POLYMER MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ethylene acrylate rubber has many excellent characteristics due to its special structure, such as heat resistance, aging resistance, oil resistance, ozone resistance, ultraviolet resistance, etc., especially good heat aging resistance, but the traditional vulcanization system ethylene acrylate rubber, when the temperature reaches At 150°C, the compression deformation of rubber products increases accordingly, so that it cannot work normally, causing quality problems during long-term high-temperature use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0015] serial number components Dosage / serving 1 VAMAC IP 70.0 2 ULTRA LS 3110 30.0 3 18D 1.5 4 SA 1.0 5 VAM 1.5 6 Antiager 445 2.0 7 WS180 2.5 8 Carbon black N550 50.0 9 Silicon fume 750 50.0 10 TP759 5.0 11 DK-1 1.2 12 DPG 1.0 13 ACT55 0.6

[0016] Hot air aging 175℃×336h performance: hardness change +11

[0017] Tensile strength change rate, +12.7%

[0018] Change rate of elongation at break, -14.1%

example 2

[0020] serial number components Dosage / serving 1 VAMAC IP 70.0 2 ULTRA LS 3110 30.0 3 18D 1.5 4 SA 1.0 5 VAM 1.5 6 Antiager 445 2.0 7 WS180 2.5 8 Carbon black N550 50.0 9 Silicon fume 750 50.0 10 TP759 5.0 11 DK-1 1.2 12 DPG 1.0 13 ACT55 0.6

[0021] Hot air aging 175℃×336h performance: hardness change +6

[0022] Tensile strength change rate, +8.24%

[0023] Change rate of elongation at break, -7.46%

example 3

[0025] serial number components Dosage / serving 1 VAMAC IP 70.0 2 ULTRA LS 3110 30.0 3 18D 1.5 4 SA 1.0 5 VAM 1.5 6 Antiager 445 2.0 7 WS180 2.5 8 Carbon black N550 30.0 9 Silicon powder N990 60.0 10 TP759 10.0 11 DK-1 1.8 12 ACT55 2.0

[0026] Hot air aging 175℃×336h performance: hardness change +7

[0027] Tensile strength change rate, +8.76%

[0028] Change rate of elongation at break, -9.43%

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Abstract

The invention discloses a high temperature-resistant ethylene-acrylate rubber formula. The formula comprises the following raw materials in parts by weight: 0-70 parts of VAMAC IP, 0-30 parts of VAMAC GXF, 30-100 parts of ULTRA LS 3110, 1-2 parts of 18 D, 0.5-2 parts of SA, 1-2 parts of VAM, 1-2 parts of an antioxidant 445, 2-3 parts of WS180, 30-50 parts of carbon black N550, 0-50 parts of silicon powder 750, 0-60 parts of carbon black N990, 5-10 parts of TP759, 1.2-1.8 parts of DK-1, 0-1 part of DPG, and 0-2 parts of ACT55. By employing the above technical scheme, the formula has the beneficial effect that the high temperature-resistant rubber formula has good material performance, tensile strength is greater than 10.0 MPa, and the elongation at break is greater than 200%. The technical operation such as rubber compound injection and extrusion is stable, and the requirement for high temperature resistance condition of the rubber material by the product can be satisfied.

Description

technical field [0001] The invention belongs to the technical field of rubber, and in particular relates to a high temperature resistant ethylene acrylate rubber formula. Background technique [0002] With the continuous development of the rubber industry, the use conditions of rubber products are becoming increasingly harsh, and higher requirements are put forward for heat resistance. Many rubber products such as rubber tubes and seals require long-term high temperature resistance of 150 °C. Ethylene acrylate rubber has many excellent characteristics due to its special structure, such as heat resistance, aging resistance, oil resistance, ozone resistance, ultraviolet resistance, etc., especially good heat aging resistance, but the traditional vulcanization system ethylene acrylate rubber, when the temperature reaches At 150°C, the compression deformation of rubber products increases, so that it cannot work normally, causing quality problems during long-term high-temperature...

Claims

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Application Information

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IPC IPC(8): C08L23/08C08K13/02C08K3/04C08K3/36C08K5/18
CPCC08L23/0869C08L2201/08C08L2205/025C08K13/02C08K3/04C08K3/36C08K5/18
Inventor 郑召伟秦秀伟
Owner SHANDONG MEICHEN ADVANCED POLYMER MATERIALS TECH CO LTD
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