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Heat-resistant type rubber conveying belt covering glue

A conveyor belt and covering rubber technology, which is applied in the field of conveyor belts, can solve the problems of flammability, cracking, heat aging and other problems of the conveyor belt covering rubber, so as to avoid direct contact, increase filling density, improve flame retardancy and plasticity Effect

Inactive Publication Date: 2018-01-12
周益铭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the invention is: Aiming at the problems that the traditional conveyor belt cover rubber is flammable, prone to heat aging and serious cracking, a heat-resistant rubber conveyor belt cover rubber is provided.

Method used

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  • Heat-resistant type rubber conveying belt covering glue

Examples

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Effect test

example 1

[0026]Mix the graphite and oxidation mixture in a beaker at a mass ratio of 1:10, move the beaker into a digital speed measuring constant temperature magnetic stirrer, and stir at a constant temperature for 70 minutes at a temperature of 55°C and a rotation speed of 320r / min to obtain oxidation. Graphite mixed solution, move the graphite oxide mixed solution into a rotary evaporator, and concentrate it at a constant temperature for 180 minutes under the conditions of temperature 80°C and pressure 800Pa to obtain graphite oxide, mix graphite oxide and chlorinated paraffin 70 in a mass ratio of 1:3 and add Ball mill, add zirconia ball milling beads according to the mass ratio of ball to material at 20:1, and ball mill and mix for 2 hours to obtain modified graphite; mix carbon fiber and 65% nitric acid solution in a flask at a mass ratio of 1:10, and move the flask into With a digital display speed measuring constant temperature magnetic stirrer, under the conditions of temperatu...

example 2

[0028] Mix the graphite and oxidation mixture in a beaker at a mass ratio of 1:10, move the beaker into a digital speed measuring constant temperature magnetic stirrer, and stir at a constant temperature for 70 minutes at a temperature of 55°C and a rotation speed of 320r / min to obtain oxidation. Graphite mixed solution, move the graphite oxide mixed solution into a rotary evaporator, and concentrate it at a constant temperature for 180 minutes under the conditions of temperature 80°C and pressure 800Pa to obtain graphite oxide, mix graphite oxide and chlorinated paraffin 70 in a mass ratio of 1:3 and add In the ball mill, zirconia ball milling beads were added according to the mass ratio of the ball to material at 20:1, and the ball milling was mixed for 2 hours to obtain modified graphite; in parts by weight, 90 parts of natural rubber, 60 parts of nitrile rubber, and 30 parts of softening agent were successively taken. 15 parts of vulcanizing agent, 45 parts of reinforcing a...

example 3

[0030] Mix carbon fiber and nitric acid solution with a mass fraction of 65% in a flask at a mass ratio of 1:10, move the flask into a digital speed measuring constant temperature magnetic stirrer, and stir the reaction at a constant temperature at a temperature of 55°C and a speed of 340r / min After 70 minutes, filter to obtain filter cake, that is, to obtain oxidized carbon fiber. Mix oxidized carbon fiber and coupling agent at a mass ratio of 1:12. After soaking for 4 hours, filter to obtain pretreated oxidized carbon fiber. Move the pretreated oxidized carbon fiber into a drying box. Dry at a constant temperature for 30 minutes at a temperature of 90°C to obtain modified carbon fibers; in parts by weight, take 90 parts of natural rubber, 60 parts of nitrile rubber, 30 parts of softener, 15 parts of vulcanizing agent, and 45 parts of reinforcement agent, 8 parts of anti-aging agent, 12 parts of accelerator, 16 parts of modified carbon fiber, 12 parts of ethylene glycol, 5 par...

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Abstract

The invention discloses heat-resistant type rubber conveying belt covering glue, and belongs to the technical field of a conveying belt. Natural rubber and nitrile rubber are added into a plastic mixer to perform mixed plastic mixing so as to obtain plastic mixing mixed glue; the plastic mixing mixed glue is firstly added into an internal mixer for mixing; then, softening agents, reinforcing agents and anti-aging agents are added into the internal mixer for continuous mixing; slice discharging, cooling and still standing are performed to obtain first-stage mixing glue; the first-stage mixing glue is moved into the internal mixer; vulcanizing agents, accelerators, modified graphite, modified carbon fiber, glycol and toluenesulfonic acid are added into the internal mixer; mixing, slice discharging and cooling are performed to obtain second-stage blending glue; the second blending glue is added into a vulcanizing machine to be vulcanized; discharging is performed; the heat-resistant typerubber conveying belt covering glue can be obtained. The prepared rubber conveying belt covering glue has excellent heat resistance and anti-cracking performance.

Description

technical field [0001] The invention discloses a heat-resistant rubber conveyor belt covering rubber, which belongs to the technical field of conveyor belts. Background technique [0002] High temperature resistant conveyor belt is a kind of conveyor belt. According to the HG / T2297 standard, there are 3 types of heat-resistant conveyor belts. Type 1: can withstand the test temperature not higher than 100°C, code-named T1; type 2: can withstand the test temperature not higher than 120°C, code-named T2; type 3: can withstand the test temperature not higher than 150°C, code-named T3. The main performance requirements are that the difference between the hardness after aging and before aging is less than ±20; the change rate of tensile strength is less than 30%; the change rate of elongation at break is less than 50%. Heat-resistant conveyor belts are mainly used to transport materials with high temperature, and are widely used in metallurgy, building materials, chemical indust...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/02C08L91/06C08K13/06C08K9/02C08K9/06C08K3/04C08K7/06C08K5/053C08K5/42
Inventor 周益铭徐颜峰陈龙
Owner 周益铭
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