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Organic copper composite rubber composite material and preparation method thereof

A composite material and composite rubber technology, applied in the field of composite materials, can solve the problems of limited improvement of friction coefficient and low particle modulus, and achieve the effect of improving contact friction coefficient, improving interaction and eliminating interface stress.

Inactive Publication Date: 2020-06-30
JIANGSU GENERAL SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Taking tires as an example, the microhardness of silica is usually used to improve the dry and wet friction coefficients, but amorphous precipitated silica is mostly used in tires, and the particle modulus is relatively low, so the improvement effect on the friction coefficient is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An organic copper-rubber composite material, the raw material proportioning is as follows in parts by weight: 100 parts by weight of rubber, 30 parts by weight of brass powder (800 mesh, the weight ratio of Cu and Zn is 10:1), and 5 parts by weight of ZnO , 2 parts by weight of stearic acid, 1 part by weight of aromatic oil plasticizer, 2 parts by weight of antioxidant 4020, 1.0 parts by weight of sulfur, and 1.5 parts by weight of accelerator DM.

[0024] The above organic copper rubber composite material can be obtained by banburying, and the specific preparation method includes the following steps:

[0025] Masterbatch: in parts by weight, 100 parts by weight of rubber, 30 parts by weight of brass powder (800 mesh, the weight ratio of Cu to Zn is 10:1), 5 parts by weight of ZnO, and 2 parts by weight of stearic acid 5 parts by weight of aromatic oil plasticizer and 2 parts by weight of anti-aging agent 4020 are added to the internal mixer, the filling factor is kept ...

Embodiment 2

[0035] An organic copper-rubber composite material, the raw material proportioning is as follows in parts by weight: 100 parts by weight of rubber, 50 parts by weight of carbon black filler, 20 parts by weight of brass powder (400 mesh, the weight ratio of Cu and Zn is 15:1) 3 parts by weight of ZnO, 2.5 parts by weight of stearic acid, 5 parts by weight of resin plasticizer, 2 parts by weight of antioxidant RD, 3 parts by weight of sulfur, and 0.5 parts by weight of accelerator NS.

[0036] The above organic copper rubber composite material can be obtained by banburying, and the specific preparation method includes the following steps:

[0037] Masterbatch: in parts by weight, in order: 100 parts by weight of rubber, 50 parts by weight of carbon black filler, 20 parts by weight of brass powder (400 mesh, the weight ratio of Cu to Zn is 15:1), 3 parts by weight of ZnO , 2 parts by weight of stearic acid, 5 parts by weight of resin plasticizer, 2 parts by weight of anti-aging a...

Embodiment 3

[0047] An organic copper-rubber composite material, the raw material proportioning is as follows in parts by weight: 100 parts by weight of rubber, 100 parts by weight of white carbon black filler, brass powder (200 mesh, the weight ratio of Cu and Zn is 7:1) 15 Parts by weight, ZnO is 4 parts by weight, 3 parts by weight of stearic acid, 20 parts by weight of aromatic oil plasticizer, 1 part by weight of antioxidant 4020, 2 parts by weight of antioxidant RD, 4 parts by weight of sulfur, accelerator CZ is 1 part by weight.

[0048] The above organic copper rubber composite material can be obtained by banburying, and the specific preparation method includes the following steps:

[0049]Masterbatch: in parts by weight, 100 parts by weight of rubber, 100 parts by weight of silica filler, 15 parts by weight of brass powder (200 mesh, Cu / Zn:7:1), 4 parts by weight of ZnO, hard 3 parts by weight of fatty acid, 20 parts by weight of aromatic oil plasticizer, 1 part by weight of anti...

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PUM

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Abstract

The invention relates to an organic copper composite rubber composite material and a preparation method thereof. The organic copper composite rubber composite material comprises rubber, a filler, brass powder, ZnO, stearic acid, a plasticizer, an anti-aging agent, sulfur and an accelerant. The material disclosed by the invention can be obtained by an internal mixing or open mixing method. Brass isused as a novel filler to be applied to the composite material, copper can be crosslinked with rubber through sulfur to form a Cu-S-rubber structure, interfacial stress is eliminated, and the purposeof enhancing the rubber is achieved. Meanwhile, the copper-zinc alloy endows the material with higher microhardness, can provide a higher friction coefficient, enhances the rubber-interface interaction, is beneficial to enhancing the rubber-interface contact friction coefficient, and improves the dry and wet gripping friction properties of tires, conveyor belts and other rubber products.

Description

technical field [0001] The invention relates to an organic copper composite rubber composite material and a preparation method thereof, belonging to the technical field of composite materials. Background technique [0002] A high coefficient of friction can endow the rubber composite material with a higher bonding force with the interface, which is suitable for rubber products such as conveyor belts and tires. Taking tires as an example, the microhardness of silica is usually used to improve the dry and wet friction coefficients. However, amorphous precipitated silica is mostly used in tires, and the particle modulus is relatively low, so the improvement effect on the friction coefficient is limited. Contents of the invention [0003] One of the purposes of the present invention is to overcome the deficiencies in the prior art and provide an organocopper composite rubber composite material that is beneficial to improving the anti-destructive performance and the friction co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L21/00C08L91/00C08L101/00C08K13/02C08K3/08C08K3/22C08K5/09C08K5/18C08K3/06C08K5/47C08K3/04C08K5/3437C08K13/04C08K7/26
CPCC08K2003/085C08K2003/0893C08K2003/2296C08L21/00C08L91/00C08K13/02C08K3/08C08K3/22C08K5/09C08K5/18C08K3/06C08K5/47C08L101/00C08K3/04C08K5/3437C08K13/04C08K7/26
Inventor 赵江华张勇张洪学周平崔玉叶袁时超陆炯杨其振周丽琰朱凉伟
Owner JIANGSU GENERAL SCI TECH
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