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Ageing-resisting magnetic rubber powder and preparation method thereof

An anti-aging and magnetic technology, applied in the field of rubber materials, to achieve the effects of easy processing, good dimensional stability and improved mechanical stability

Active Publication Date: 2018-09-04
温州市赢创新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At the same time, with the continuous development of composite materials, the application of traditional single rubber materials has been limited. Therefore, how to endow rubber materials with new properties is the focus of current research.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of aging-resistant magnetic rubber powder, it is made up of the raw material of following weight part:

[0021] Antiaging agent rd1, natural rubber powder 100, potassium oleate soap 0.4, ferrous chloride tetrahydrate 30, ferric chloride hexahydrate 17, trimethylolpropane 2, 6-hydroxy-2-naphthoic acid 3, disulfide Dibenzothiazole 0.1, catalyst 0.01, 10% ammonia water 25.

[0022] The catalyst is p-toluenesulfonic acid.

[0023] A preparation method of aging-resistant magnetic rubber powder, comprising the following steps:

[0024] (1) Take the anti-aging agent rd, add it to 6 times its weight in absolute ethanol, stir evenly, raise the temperature to 60°C, keep it warm and stir for 20 minutes to obtain an alcoholic solution;

[0025] (2) Take natural rubber powder, add it to the above-mentioned alcohol solution, sonicate for 10 minutes, add dibenzothiazole disulfide, send it into an oven, dry it at 75°C for 3 minutes, discharge and cool to obtain activated rubbe...

Embodiment 2

[0029] A kind of aging-resistant magnetic rubber powder, it is made up of the raw material of following weight part:

[0030] Antiaging agent rd2, natural rubber powder 110, potassium oleate soap 1, ferrous chloride tetrahydrate 40, ferric chloride hexahydrate 20, trimethylolpropane 3, 6-hydroxy-2-naphthoic acid 4, disulfide Dibenzothiazole 0.2, catalyst 0.02, 10-12% ammonia water 30.

[0031] The catalyst is p-toluenesulfonic acid.

[0032] A preparation method of aging-resistant magnetic rubber powder, comprising the following steps:

[0033] (1) Take the anti-aging agent rd, add it to anhydrous ethanol 10 times its weight, stir evenly, raise the temperature to 65°C, keep warm and stir for 30 minutes to obtain an alcoholic solution;

[0034] (2) Take natural rubber powder, add it to the above-mentioned alcohol solution, sonicate for 15 minutes, add dibenzothiazole disulfide, send it into an oven, dry it at 80°C for 4 minutes, discharge and cool to obtain activated rubber p...

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PUM

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Abstract

The invention discloses ageing-resisting magnetic rubber powder. The ageing-resisting magnetic rubber powder is prepared from the following raw materials in parts by weight: 1 to 2 parts of anti-ageing agent rd, 100 to 110 parts of natural rubber powder, 0.4 to 1 part of potassium oleate, 30 to 40 parts of ferrous chloride tetrahydrate, 17 to 20 parts of ferric chloride hexahydrate, 2 to 3 parts of trimethylolpropane, 3 to 4 parts of 6-hydroxy-2-naphthoate, 0.1 to 0.2 part of dibenzothiazyl disulfide, 0.01 to 0.02 part of catalyst and 25 to 30 parts of 10 to 12 percent ammonia water. The ageing-resisting magnetic rubber powder disclosed by the invention takes p-tolenesulfonate as the catalyst and effective blending of the magnetic raw materials and the rubber powder is realized; the mechanical stability of a finished-product material is improved.

Description

technical field [0001] The invention belongs to the field of rubber materials, and in particular relates to an aging-resistant magnetic rubber powder and a preparation method thereof. Background technique [0002] Natural rubber (NR) is a natural polymer compound with cis-1,4-polyisoprene as the main component, and 91% to 94% of its components are rubber hydrocarbons (cis-1,4-polyisoprene dienes), and the rest are non-rubber substances such as proteins, fatty acids, ash, sugars, etc. Natural rubber is the most widely used general-purpose rubber, the physical characteristics of natural rubber. Natural rubber has high elasticity at room temperature, slightly plastic, has very good mechanical strength, low hysteresis loss, and low heat generation during multiple deformations, so its flex resistance is also very good, and because it is non-polar Rubber, so the electrical insulation performance is good. [0003] Chemical properties of natural rubber. Because of unsaturated do...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08K13/02C08K5/47C08K5/053C08K5/13C08K3/22C08K5/3437
CPCC08K3/22C08K5/053C08K5/13C08K5/3437C08K5/47C08K13/02C08K2003/2275C08K2201/01C08L7/00
Inventor 周志阳
Owner 温州市赢创新材料技术有限公司
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