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Ablation-resistant anti-aging cover for conveying belt and preparation method thereof

An aging-resistant and conveyor belt technology, applied in the field of rubber conveyor belt products, can solve the problems of aging and cracking of conveyor belts, ironing of skeleton materials, and shortened service life, and achieve good economic benefits, cost savings, and improved service life. Effect

Inactive Publication Date: 2017-01-18
WUXI BOTON TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the temperature of the material to be transported by the high-temperature-resistant conveyor belt is very high, and the instantaneous temperature can reach 800°C, and it often has an open flame. Under such a harsh environment, the conveyor belt will not only age and crack, but also delaminate, ablate, Even the skeleton material is ironed through, and the service life is greatly reduced

Method used

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  • Ablation-resistant anti-aging cover for conveying belt and preparation method thereof
  • Ablation-resistant anti-aging cover for conveying belt and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of ablation-resistant aging-resistant conveyor belt cover rubber, each component counts by weight fraction: EPDM rubber (4045) 100 parts, carbon black N330 40 parts, dicumyl peroxide (DCP) 3 parts, 0.5 parts of triallyl isocyanurate (TAIC), 5 parts of zinc oxide, 5 parts of magnesium oxide, 10 parts of paraffin oil, 1 part of anti-aging agent RD, 1 part of anti-aging agent MB, 5 parts of aramid chopped fiber , 5 parts of ammonium polyphosphate (APP), 10 parts of pentaerythritol, 3 parts of polybutadiene grafted with maleic anhydride.

[0023] A preparation method for an ablation-resistant and aging-resistant conveyor belt covering glue comprises the following steps:

[0024] (1) One-stage mixing: put EPDM rubber into the internal mixer, and internally knead for 2 minutes; then open the top bolt, add carbon black, zinc oxide, magnesium oxide, paraffin oil, anti-aging agent RD, anti-aging agent MB, Aramid chopped fiber, ammonium polyphosphate (APP), pentaerythrito...

Embodiment 2

[0028] An ablation-resistant and aging-resistant conveyor belt covering rubber, the components are calculated by weight fraction: 100 parts of EPDM rubber (4045), 10 parts of precipitated white carbon black, 50 parts of carbon black N550, diisoperoxide Propylene (DCP) 5 parts, triallyl isocyanurate (TAIC) 0.5 parts, zinc oxide 10 parts, magnesium oxide 5 parts, paraffin oil 15 parts, antioxidant RD 1.5 parts, antioxidant MB 1.5 parts , masterbatch pre-dispersed aramid pulp 5 parts, zinc borate 20 parts, phenolic resin 15 parts, maleic anhydride grafted polybutadiene 3 parts.

[0029] A preparation method for an ablation-resistant and aging-resistant conveyor belt covering glue comprises the following steps:

[0030] (1) One-stage mixing: put EPDM rubber into the internal mixer, and internally mix for 2 minutes; then open the top bolt, add white carbon black, carbon black, zinc oxide, magnesium oxide, paraffin oil, anti-aging agent RD, Anti-aging agent MB, masterbatch pre-disp...

Embodiment 3

[0034] An ablation-resistant and aging-resistant conveyor belt covering rubber, the components are calculated by weight fraction: 100 parts of EPDM rubber (4045), 20 parts of precipitated white carbon black, 50 parts of carbon black N550, diisoperoxide Propylene (DCP) 5 parts, triallyl isocyanurate (TAIC) 1.5 parts, zinc oxide 20 parts, magnesium oxide 5 parts, paraffin oil 20 parts, antioxidant RD 2 parts, antioxidant MB 2 parts , 8 parts of short glass fiber, 20 parts of decabromodiphenylethane, 20 parts of phenolic resin, 2 parts of γ-aminopropyltriethoxysilane (KH-550).

[0035] A preparation method for an ablation-resistant and aging-resistant conveyor belt covering glue comprises the following steps:

[0036](1) One-stage mixing: put EPDM rubber into the internal mixer, and internally mix for 2 minutes; then open the top bolt, add white carbon black, carbon black, zinc oxide, magnesium oxide, paraffin oil, anti-aging agent RD, Anti-aging agent MB, glass short fiber, dec...

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Abstract

The invention relates to an ablation-resistant anti-aging cover for conveying belt and preparation method thereof which belongs to the technological field of rubber conveying belt production. The preparation comprises the steps of: first mixing the EPDM, reinforcing filler, vulcanization active agent, plasticizer, antioxidant, ablative fiber, flame retardant, charcoal and compatibilizer together to acquire the mixed rubber, then adding the vulcanizing agent and co-crosslinking agent for the secondary mixing, and vulcanizing to obtain the product of ablation-resistant anti-aging cover for conveying belt. With the use of ablation-resistant anti-aging cover provided by the present invention the service life of the conveyor belt under high heat and open fire condition is dramatically prolonged, which guarantees the sustainable production of the enterprises and saves the costs and brings huge economic benefits.

Description

technical field [0001] The invention relates to an ablation-resistant and aging-resistant conveyor belt covering rubber and a preparation method thereof. The prepared product has excellent ablation resistance and aging resistance, and belongs to the technical field of rubber conveyor belt products. Background technique [0002] Ablation-resistant materials can be divided into three types according to the mechanism: sublimation type, melting type and carbonization type. Sublimation materials mainly rely on sublimation gasification at high temperature to absorb heat energy; melting materials mainly rely on melting and absorbing heat at high temperatures, and further form a molten liquid layer to block heat flow; and the excellent ablation performance of carbonization materials mainly depends on its surface. The carbonized layer formed at high temperature can largely prevent the transfer of external heat to the inside of the material, and can transfer a large amount of heat ene...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L91/06C08L77/10C08L51/00C08L61/06C08K13/02C08K3/04C08K5/14C08K5/3492C08K3/22C08K3/32C08K3/38C08K5/053C08K13/04C08K7/14C08K5/544
CPCC08L23/16C08L2205/03C08L2205/035C08L2205/16C08L91/06C08L77/10C08L51/003C08K13/02C08K3/04C08K5/14C08K5/3492C08K2003/2296C08K2003/222C08K2003/323C08K5/053C08L61/06C08K2003/387C08K13/04C08K3/36C08K7/14C08K5/02C08K5/544
Inventor 吴卫东陈帅孙业斌萨日娜吴建国张雪松杨可徐振龙戚玉显
Owner WUXI BOTON TECH CO LTD
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