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Preparation method of core glue for high-temperature resistant steel mesh conveyor belt

A conveyor belt and high-temperature-resistant technology, which is applied in the field of core rubber of high-temperature-resistant steel mesh conveyor belts, can solve the problems of decreased adhesion of steel wires, sudden reduction of glue attached to steel wires, and low strength.

Active Publication Date: 2010-12-22
WUXI BOTON CONVEYOR SOLUTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the skeleton material itself, this kind of conveyor belt has low strength, small transportation capacity, and relatively short transportation distance.
The core rubber of the canvas heat-resistant conveyor belt is natural system of styrene-butadiene, and the same is true for ordinary normal-temperature steel mesh core rubber. Although the natural styrene-butadiene system has better adhesion at room temperature, once the use temperature exceeds 150 ° C, due to the heat resistance of the rubber itself Poor, resulting in a sharp drop in adhesion to the steel wire, a sharp drop in the amount of glue attached to the steel wire, and loss of use value

Method used

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  • Preparation method of core glue for high-temperature resistant steel mesh conveyor belt

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Effect test

Embodiment 1

[0019] Embodiment 1: A kind of preparation method that is used for the core glue of high temperature resistant steel mesh conveyor belt, its component ratio is counted by weight, comprises the following process steps:

[0020] (1) Mixing: Add 50 parts of ethylene-propylene rubber, 50 parts of neoprene rubber and 20 parts of carbon black into the internal mixer for mixing, the mixing time is 60 seconds, and the refining temperature is 120°C;

[0021] (2) Two-stage internal mixing: Add 5 parts of zinc oxide, 1 part of stearic acid, and 1 part of antioxidant RD: 1,2-dihydro-2,2,4-trimethyl to the rubber obtained after mixing Quinoline, 1 part of accelerator CZ: N-cyclohexyl-2-benzothiazole sulfenamide, 1 part of binder RS, 5 parts of white carbon black, 5 parts of calcium carbonate, 2 parts of cobalt boroacylate and 5 parts 1 part of rubber oil (2280) was banburyed on a banbury mixer for a period of 110 seconds, and the banbury temperature was 160°C; after the end of a period of ...

Embodiment 2

[0024] Embodiment 2: A kind of preparation method that is used for the core glue of high temperature resistant steel mesh conveyor belt, its component ratio is counted by weight parts, comprises the following process steps:

[0025] (1) Mixing: add 100 parts of ethylene propylene rubber and 50 parts of carbon black to the internal mixer for mixing, the mixing time is 100 seconds, and the refining temperature is 120°C;

[0026] (2) Two-stage internal mixing: Add 15 parts of zinc oxide, 3 parts of stearic acid, and 4 parts of antioxidant RD: 1,2-dihydro-2,2,4-trimethyl to the rubber obtained after mixing Quinoline, 3 parts of accelerator CZ: N-cyclohexyl-2-benzothiazole sulfenamide, 5 parts of binder RS, 20 parts of white carbon black, 25 parts of calcium carbonate, 6 parts of cobalt boroacylate and 20 parts 1 part of rubber oil (2280) was banburyed on a banbury mixer for a period of 130 seconds, and the banbury temperature was 130°C; after the end of a period of banbury mixing,...

Embodiment 3

[0029] Embodiment 3: A kind of preparation method that is used for the core rubber of high temperature resistant steel mesh conveyor belt, its component ratio is counted by weight parts, comprises the following process steps:

[0030] (1) Mixing: Add 75 parts of ethylene-propylene rubber, 25 parts of neoprene rubber and 30 parts of carbon black into the internal mixer for mixing, the mixing time is 80 seconds, and the refining temperature is 130°C;

[0031] (2) Two-stage internal mixing: add 10 parts of zinc oxide, 2 parts of stearic acid, and 3 parts of antioxidant RD: 1,2-dihydro-2,2,4-trimethyl to the rubber obtained after mixing Quinoline, 2 parts of accelerator CZ: N-cyclohexyl-2-benzothiazole sulfenamide, 3 parts of binder RS, 10 parts of white carbon black, 10 parts of calcium carbonate, 3 parts of cobalt boroacylate and 15 parts 1 part of rubber oil (2280) was banburyed on the internal mixer for a period of 120 seconds, and the banburying temperature was 150°C; after t...

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Abstract

The invention relates to a preparation method of core glue for a high-temperature resistant steel mesh conveyor belt, comprising the following process steps of: (1) mixing: adding ethylene propylene rubber, chloroprene rubber and carbon black in an internal mixer for mixing; (2) internal mixing by two stage: adding zinc oxide, stearic acid, aging inhibitorn aging inhibitor RD, an accelerator CZ, a binding agent RS, white carbon black, calcium carbonate, cobalt boroacylate and rubber oil in glue stock obtained from internal mixing, carrying out the first-stage internal mixing on the internal mixer and adding insoluble sulfur, the binding agent RA and zinc methacrylate in the obtained glue stock which is stood for 6-8 hours for the second-stage internal mixing; (3) discharging colloid obtained by two-stage internal mixing into an open mill for back mixing; and (4) pressing the colloid subjected to back mixing on an extruder into a sheet and obtaining the core glue. The invention can solve the problem that the core glue is bonded with the steel mesh under the high-temperature condition.

Description

technical field [0001] The invention relates to a preparation method for a core rubber for a high-temperature-resistant steel mesh conveyor belt, in particular to a core rubber for a high-temperature-resistant steel mesh conveyor belt. Background technique [0002] Heat-resistant conveyor belts generally refer to multi-layer rubber cotton canvas (polyester cotton cloth) or polyester canvas covered with high-temperature resistant or heat-resistant rubber, bonded together by high-temperature vulcanization, suitable for conveying hot coke below 175°C, Cement, slag and hot castings, etc. However, due to the limitation of the skeleton material itself, this kind of conveyor belt has low strength, small transportation capacity, and relatively short transportation distance. The core rubber of the canvas heat-resistant conveyor belt is natural system of styrene-butadiene, and the same is true for ordinary normal-temperature steel mesh core rubber. Although the natural styrene-butadi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L11/00C08K13/02C08K3/04C08K3/22C08K5/09C08K3/36C08K3/26C08K5/3437C08K5/47B29B7/28B29C47/92B29C48/92
CPCB29C48/92B29C2948/92704B29C2948/92895
Inventor 袁佳春包志方
Owner WUXI BOTON CONVEYOR SOLUTION CO LTD
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