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Rubber product and its preparing process

A technology of rubber products and preparation technology, which is applied in the chemical industry, can solve problems such as the performance degradation of rubber parts, and achieve the effect of easy assembly

Inactive Publication Date: 2006-05-24
JIANGSU LUOSHI DAMPING MEMBER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the disadvantages of the prior art that chemical reaction or physical mapping of rubber parts and other substances causes color changes of other substances and that the performance of rubber parts decreases due to the use of lubricating oil, and provides a rubber product And its preparation process; the rubber products made by using this raw material and process not only will not cause the color change of other substances when in contact with other substances, but also can produce self-lubrication during assembly, which is easy to assemble

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1 According to the raw materials in Table 1, zinc oxide, stearic acid, and carbon black were added to EPDM raw rubber, and banburying was carried out on a sealed rubber mixer at a temperature of 100°C; then anti-aging agents and fatty acids were added Amide, vulcanization accelerator, and vulcanizing agent were mixed on an open rubber mixer, and the mixing temperature was 60°C; after mixing, they were placed at 20°C for 25 hours, and then vulcanized at 170°C for 20 minutes. The physical and mechanical properties of the resulting rubber products are listed in Table 2.

[0042]

[0043] DM (dibenzothiazole disulfide)

[0044]

Embodiment 2

[0045] Example 2 According to the raw materials in Table 3, zinc oxide, stearic acid, carbon black, and filler oil were added to EPDM raw rubber, and banburying was carried out on a sealed rubber mixer at a temperature of 110°C; then anti-aging was added Agent, fatty acid amide, vulcanization accelerator, and vulcanizing agent were mixed on an open rubber mixer at a mixing temperature of 70°C; after mixing, they were placed at 25°C for 24 hours, and then vulcanized at 170°C for 15 minutes. The physical and mechanical properties of the resulting rubber products are listed in Table 4.

[0046]

[0047] raw material 1

Embodiment 3

[0048] Embodiment 3 According to the raw materials in Table 5, zinc oxide, stearic acid, carbon black, and filler oil were added to EPDM raw rubber, and banburying was carried out on a sealed rubber mixer (the temperature of banburying was 120° C.; Agent, fatty acid amide, vulcanization accelerator, and vulcanizing agent are mixed on an open rubber mixer, and the temperature of mixing is 65°C; after mixing, place it at 30°C for 22 hours, and vulcanize at 180°C for 13 minutes. The resulting rubber product The physical and mechanical properties are listed in Table 6.

[0049]

[0050]

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PUM

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Abstract

The invention relates to a method to manufacture rubber products that belongs to chemical field. It is made up of ethylene propylene terpolymer, zenc oxide, stearic acid, charcoal black, anti-aging agent, extender oil, fatty acid amide, and vulcanization accelerator. The stearic acid would form a inertance film on ther surface of the rubber products to avoid the rubber taking reaction with the contacting material. The surface color could not vary when contacting with other material. And the rubber products would produce self- lubricating while installing.

Description

technical field [0001] The invention relates to a rubber product and a preparation process thereof, belonging to the technical field of chemical industry. Background technique [0002] Rubber is a kind of elastic hydrocarbon polymer, which exists in the form of emulsion when it is not processed, and can be divided into natural rubber and artificial synthetic rubber. And EPDM rubber is a kind of synthetic rubber, EPDM rubber has good aging resistance, chemical resistance, low temperature resistance and dielectric properties, so it is widely used, mainly used in housing Construction, wire and cable, automobile industry and other fields. In terms of housing construction, it is mainly used for single-layer water release coils on the roof; in terms of wires and cables, it is mainly used for output lines of civil and commercial buildings, construction wires, mine cables, nuclear power plant cables, automobile ignition wires, control and signals. Cables, etc.; in the automotive i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08J3/24C08K3/04C08K5/14C08K5/47
Inventor 骆联盟
Owner JIANGSU LUOSHI DAMPING MEMBER CO LTD
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