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Wear-resistant flame-retardant conveying belt and preparation process thereof

A technology of conveyor belts and flame retardants, applied in the field of wear-resistant and flame-retardant conveyor belts and its preparation technology, can solve problems such as secondary disasters of life and property, corrosion of equipment and instruments, and obstruction of disaster relief work, and achieve mechanical strength and chemical stability Good performance, pollution reduction, long-lasting thermal stability and flame retardancy

Inactive Publication Date: 2019-05-21
青岛环球输送带有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One is to hinder the smooth progress of disaster relief work, causing secondary disasters to life and property, the other is to corrode equipment and instruments, and the third is to cause environmental pollution

Method used

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  • Wear-resistant flame-retardant conveying belt and preparation process thereof
  • Wear-resistant flame-retardant conveying belt and preparation process thereof
  • Wear-resistant flame-retardant conveying belt and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1-3

[0056] In the preparation example 1-3, the aramid 1313 fiber is sold by Hangzhou Jiulong Aramid Fiber Co., Ltd., the zinc stearate is selected from the PLB type zinc stearate sold by Guangzhou Jingyi New Material Co., Ltd., and the silicon dioxide is selected from Guangzhou Jingyi New Material Co., Ltd. Yixin Materials Co., Ltd. sells HP-220 type silica.

preparation example 1

[0057] Preparation Example 1: (1) According to the proportioning in Table 1, 5kg of aramid fiber 1313 fibers were surface treated with 1kg of coupling agent KH-570,

[0058] (2) Add 10kg of montmorillonite into 10kg of distilled water, stir at 1000r / min to make a suspension, let it stand for 20h, disperse 1kg of melamine phosphate in 20kg of distilled water, heat to 90°C, After stirring evenly under high pressure, add it into the montmorillonite suspension heated to 80°C, stir at 900r / min for 3h, cool, filter, dry, and pulverize;

[0059] (3) Heat 20kg of polypropylene resin to 165°C, add 1kg of zinc stearate, aramid 1313 fiber obtained in step (1), 1kg of silicon dioxide and the product of step (2) into the polypropylene emulsion, and mix well , extruded and granulated, and the extrusion temperature was 170°C.

[0060] The raw material ratio of wear-resistant filler in the preparation example 1-3 of table 1

[0061]

[0062]

preparation example 2

[0063] Preparation Example 2: (1) According to the proportioning in Table 1, 20kg of aramid fiber 1313 fibers are surface treated with 3kg of coupling agent KH-570,

[0064] (2) Add 13kg of montmorillonite to 13kg of distilled water, stir at 1500r / min to make a suspension, let it stand for 22h, disperse 3kg of melamine phosphate in 27kg of distilled water, heat to 100°C, After stirring evenly under high pressure, add it into the montmorillonite suspension heated to 83°C, stir at 950r / min for 3.5h, cool, filter, dry, and pulverize;

[0065] (3) Heat 25kg of polypropylene resin to 170°C, add 3kg of zinc stearate, aramid 1313 fiber obtained in step (1), 3kg of silicon dioxide and the product of step (2) into the polypropylene emulsion, and mix well , extruded and granulated, and the extrusion temperature was 175°C.

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Abstract

The invention discloses a wear-resistant flame-retardant conveying belt and a preparation process thereof. The wear-resistant flame-retardant conveying belt comprises a cover glue, an adhesive intermediate glue and a framework material, wherein the cover glue comprises an upper cover glue and a lower cover glue; the framework material is a steel wire rope or a flame-retardant polyester fabric; thecover glue comprises the following components: a matrix rubber, sulfur, flame retardant, 10-15 parts of stearic acid, an anti-aging agent, a vulcanization accelerator, a reinforcing filler, paraffinwax, metal oxides, a wear-resistant filler and a dispersing agent. A preparation process of the wear-resistant flame-retardant conveying belt comprises the steps of S1, preparation of the cover glue:(1) preliminary plastication and (2) mixed granulation; S2, preparation of the adhesive intermediate glue: I, preliminary plastication; II, stirring and mixing; III, grinding and defoaming; S3, impregnation and plasticizing of an aggregate material; and S4, extrusion and gluing of the cover glue. The wear-resistant flame-retardant conveying belt disclosed by the invention has the advantages of good wear resistance and excellent flame-retardant effect; in addition, the preparation method disclosed by the invention has the advantages of simple process, low production cost and high work efficiency.

Description

technical field [0001] The invention relates to the technical field of conveyor belts, more specifically, it relates to a wear-resistant and flame-resistant conveyor belt and a preparation process thereof. Background technique [0002] Rubber conveyor belt is an important rubber product and an important means of transporting modern industrial materials and products. It is widely used in various sectors of the national economy such as coal mines, electric power, cement, steel, chemicals, and ports. The product is second only to tires. Improving the service life of the conveyor belt is the most important research direction for the conveyor belt industry to improve the quality, and it is also the most important problem that scientific and technological workers have been committed to solving. And among the factors affecting the service life of the conveyor belt at present, more than 95% are the wear and tear of the cover rubber of the conveyor belt, which exposes the skeleton m...

Claims

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Application Information

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IPC IPC(8): C08L9/06C08L7/00C08L9/00C08L27/06C08L77/10C08L23/12C08L61/28C08K13/02C08K5/098C08K3/36C08K3/34C08K3/04C08K5/3492C08K3/32C08K5/01C08K3/22C08K3/38B65G15/36B65G15/34B29C69/00B29B7/00B29L9/00B29L29/00
Inventor 李连刚李坤辉
Owner 青岛环球输送带有限公司
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