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Rubber filler

A filler and rubber technology, applied in the field of rubber fillers and modifiers, can solve problems such as poor compatibility of rubber, difficulty in forming tight bonds, difficulty in product quality control, etc., to increase strength and strengthen interaction Force, the effect of improving the quality of rubber products

Active Publication Date: 2021-07-16
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to solve the problem that the rubber filler in the prior art has poor compatibility with rubber, it is difficult to form a tight bond, and the product quality is difficult to control. Sexual solid, no need to add coupling agent, the obtained rubber filler is used in rubber, and rubber has strong tensile strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Provide a kind of rubber filling agent, comprise the component of following mass composition:

[0069] Modified solid: 52wt%;

[0070] Carbon black: 25wt%;

[0071] Sulfur: 3.5wt%;

[0072] Zinc oxide: 12wt%;

[0073] Hexamethyltetramine: 2.5wt%;

[0074] Octylated diphenylamine: 3wt%;

[0075] Pine tar: 2wt%.

[0076] Wherein the modified solid preparation process is as follows:

[0077] (1) Send the raw oil sludge sand into the sand washer for desanding treatment, and obtain the de-coarse oil sludge material, in which the solid particle size is between 41 and 83 μm;

[0078] (2) Send the de-coarse sand and oil sludge material in (1) into the dehydration and deoiling device, add flocculant polyaluminium chloride at a rate of 100 mg / L, and introduce micro-bubbles to mix with the material, and the material enters the settlement area through overflow , the material flocculates and settles and stratifies under the action of air flotation. The upper layer is a low-de...

Embodiment 2

[0081] Provide a kind of rubber filling agent, comprise the component of following mass composition:

[0082] Modified solid: 59wt%;

[0083] Carbon black: 17wt%;

[0084] Sulfur chloride: 4wt%;

[0085] Magnesium carbonate: 7wt%;

[0086] Calcium oxide: 6wt%;

[0087] N,N'-diethylthiourea: 3wt%;

[0088] 2-mercaptobenzothiafile: 3wt%;

[0089] Paraffin: 1 wt%.

[0090] Wherein the modified solid preparation process is as follows:

[0091] (1) Send the raw oil sludge sand into the sand washer for desanding treatment, and obtain the de-coarse oil sludge material, in which the solid particle size is between 52 and 91 μm;

[0092] (2) Send the de-coarse sand and oil sludge material in (1) into the dehydration and deoiling device, add flocculant polymerized ferric sulfate at a rate of 90mg / L, and introduce micro-bubbles to mix with the material, and the material enters the settlement area through overflow, The material flocculates and settles and stratifies under the actio...

Embodiment 3

[0095] Provide a kind of rubber filling agent, comprise the component of following mass composition:

[0096] Modified solid: 42wt%;

[0097] Carbon black: 35wt%;

[0098] Sulfur dichloride: 5wt%;

[0099] Zinc oxide: 2.5wt%;

[0100] Magnesium carbonate: 8wt%;

[0101] N,N'-diphenylthiourea: 3.5wt%;

[0102] 2-thiol benzothiazolate octyl salt: 4wt%;

[0103] Wherein the modified solid preparation process is as follows:

[0104] (1) Send the raw oil sludge sand to the sand washer for desanding treatment, and obtain the de-coarse oil sludge material, in which the solid particle size is between 32 and 72 μm;

[0105] (2) Send the de-coarse sand and oil sludge material in (1) to the dehydration and deoiling device, add flocculant polyaluminum chloride at a rate of 120 mg / L, and introduce micro-bubbles to mix with the material, and the material enters the settlement area through overflow , the material flocculates and settles and stratifies under the action of air flotation...

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Abstract

The invention relates to a rubber filler, which comprises the following components: 20-70 wt% of a modified solid; 15 wt%-60 wt% of carbon black; 3 wt%-6 wt% of a vulcanizing agent; 5 wt%-20 wt% of an activator; 1 wt%-7 wt% of a vulcanization accelerator; and 1 wt%-7 wt% of an anti-aging agent; wherein the modified solid with certain water content and oil content is obtained by taking oil sludge sand as a raw material, firstly separating coarse sand with the particle size of more than 100 microns, and then dehydrating and deoiling. According to the invention, resource reutilization of solid waste is realized, the added modified solid has a prominent effect on performance improvement of rubber, and a soil-in-oil structure is formed by controlling proper oil content in the modified solid, so that the modified solid can be easily filled, embedded and extruded into gaps of a mixture, the interaction force between the mixture is enhanced, and therefore, the mixture is tighter, and the material strength of the rubber filler is improved.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a rubber filler, in particular to a rubber filler containing a modifier prepared from oil sludge sand. Background technique [0002] Rubber includes natural rubber and synthetic rubber. Natural rubber is a kind of non-polar rubber, which has high elasticity at room temperature, excellent physical and mechanical properties, small hysteresis loss, good bending resistance, and good electrical insulation properties. Synthetic rubber is rubber developed by chemical methods. Its production is not restricted by region. It can be mass-produced in a short period of time. The consistency of rubber products is good. However, research shows that only some of its properties are better than natural rubber. Comprehensive The performance is far inferior to natural rubber. Natural rubber remains by far the best general purpose rubber. [0003] The main component of natural rubber is polyisopren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L95/00C08K13/08C08K11/00C08K3/04C08K3/06C08K5/09C08K5/405C08K5/47
CPCC08K13/08C08K11/005C08K3/04C08K3/06C08K5/09C08K5/405C08K5/47C08L95/00Y02W30/62
Inventor 孙浩程刘春阳回军王宜迪李宝忠
Owner CHINA PETROLEUM & CHEM CORP
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