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Surface covering rubber for high-temperature-resisting and flame-retardant conveyer belt and preparation method thereof

A surface covering and conveyor belt technology, which is applied in the surface covering rubber of conveyor belts and its preparation field, can solve the problems of conveyor belt combustion, loss, belt core melting, etc., and achieve easy operation, simple preparation method and good flame retardant performance Effect

Inactive Publication Date: 2010-12-22
WUXI BOTON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the conveyor line is abnormal and the material is stopped, the temperature of the material cannot be quickly transmitted to the external environment. Once the ignition point of the rubber is reached, the conveyor belt will burn, which will affect the normal use of the conveyor belt.
[0006] 2. The skeleton material of EP high temperature resistant conveyor belt is high modulus and low shrinkage polyester filament. The design considers the bonding strength at high temperature (below 200°C) rather than the safety performance. Once an abnormal situation occurs, such as When the belt body temperature exceeds 260°C, the belt core will melt and promote combustion, resulting in greater losses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A surface covering rubber for a high-temperature-resistant flame-retardant conveyor belt of the present invention and a preparation method thereof adopt the following steps:

[0024] Take the following components as the raw materials for preparing the cover rubber for flame-retardant canvas laminated core conveyor belts used in coal mines in addition to polyvinyl chloride plastic paste: 100kg of ethylene-propylene rubber with 60% ethylene content, 2kg of diisopropyl peroxide Benzene, 5kg of zinc oxide, 2kg of magnesium oxide, 1kg of antioxidant RD, 3kg of tert-butyl peroxide, 1kg of stearic acid, 6kg of petroleum-based coumarone resin, 30kg of reinforcing carbon black, 20kg of High wear-resistant carbon black, 20kg of magnesium hydroxide, 15kg of ammonium polyphosphate, and 15kg of zinc borate.

[0025] Masticating process: plasticize 100kg of ethylene-propylene rubber on the open mill, and control the roller temperature of the open mill to 30~40°C;

[0026] Mixing pro...

Embodiment 2

[0030] A surface covering rubber for a high-temperature-resistant flame-retardant conveyor belt of the present invention and a preparation method thereof adopt the following steps:

[0031] Take the following components as the raw materials for the covering rubber of high temperature resistant flame retardant laminated core conveyor belt: 75kg of ethylene propylene rubber with 80% ethylene content, 40kg of reinforcing carbon black, 40kg of high wear-resistant carbon black, 1kg of Antiaging agent MB, 2kg antiaging agent 4010NA, 2kg stearic acid, 12kg octyl phenolic resin, 5kg zinc oxide, 3kg magnesium oxide, 60kg magnesium hydroxide, 15kg ammonium polyphosphate, 15kg decabromodiphenyl ether, 10kg70 No. chlorinated paraffin, 2kg of lauryl peroxide, 10kg of vulcanized resin.

[0032] Masticating process: Masticate 75kg of ethylene-propylene rubber with 80% ethylene content on the open mill, and control the roller temperature of the open mill to 50°C;

[0033] Mixing process: Whe...

Embodiment 3

[0037] A surface covering rubber for a high-temperature-resistant flame-retardant conveyor belt of the present invention and a preparation method thereof adopt the following steps:

[0038] Take the following components as the raw materials for the covering rubber of high temperature resistant flame retardant laminated core conveyor belt: 85kg of ethylene propylene rubber with 70% ethylene content, 70kg of reinforcing carbon black, 50kg of high wear-resistant carbon black, 1kg of Antiaging agent MB, 4kg antiaging agent MB, 3kg stearic acid, 15kg octyl phenolic resin, 8kg zinc oxide, 1kg magnesium oxide, 30kg magnesium hydroxide, 20kg ammonium polyphosphate, 30kg tetrabromoethane, 30kg 70 No. chlorinated paraffin, 2kg of 2,5 dimethyl-2,5 dihexane, 10kg of vulcanized resin.

[0039] Masticating process: Masticate 75kg of ethylene-propylene rubber with 80% ethylene content on the open mill, and control the roller temperature of the open mill to 50°C;

[0040]Mixing process: when...

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PUM

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Abstract

The invention relates to surface covering rubber for a high-temperature-resisting and flame-retardant conveyer belt and a preparation method thereof, and belongs to the technical field of the surface covering rubber. The method comprises the following steps of: plasticating ethylene propylene rubber on an open mill, and then sequentially adding the ethylene propylene rubber, reinforcing carbon black and high abrasion-resistant carbon black for mixing; then adding zinc oxide, magnesium oxide, an aging inhibitor, stearic acid, an oil softener, magnesium hydroxide, chlorinated paraffin, ammonium polyphosphate, an organic brominated flame retardant, zinc borate and diantimony trioxide for refining, after the materials are discharged from an internal mixer, performing rolling refining on the materials in the open mill, after the open mill is stopped, placing the materials into the internal mixer, and adding dicumyl peroxide, a vulcanizing agent and a cross-linking aid; and finally producing films, and sending the films into a water pool for water cooling, heat bodying and tabletting. The rolled rubber films have cloth liners and are coiled for shaping the conveyer belt. The surface covering rubber for the high-temperature-resisting and flame-retardant conveyer belt and the preparation method thereof have the advantages of keeping the original heat-resisting property of the high-temperature-resisting conveyer belt, and having the excellent flame retardant property of the flame-retardant conveyer belt.

Description

technical field [0001] The invention relates to a surface covering glue for conveyor belts used in industries such as metallurgy and building materials and a preparation method thereof. It is used in the production of extremely high-temperature flammable materials in the metallurgy and building materials industries that meet GB / T20021-2005 and GB / T10822-2002 standards, and belongs to the technical field of surface covering rubber. Background technique [0002] Ethylene-propylene rubber (EP) high temperature resistant conveyor belt is mainly used for conveying sinter, coke and cement clinker in metallurgy, building materials and other industries. [0003] So far, the EP high-temperature-resistant conveyor belts used in the transportation of sinter, coke, and cement clinker in metallurgy, building materials and other industries can transport materials with an instantaneous temperature of about 500 ° C. The design considers the instantaneous aging resistance. When conveying m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08K13/02C08K3/04C08K3/22C08K3/32C08K3/38C08K5/14C08K5/02C08K5/06C08K5/3492
Inventor 吴建国包志方
Owner WUXI BOTON TECH CO LTD
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