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Preparation method of high heat-resisting cover glue for conveying materials

A technology for conveying materials and high heat resistance, which is applied in the field of preparation of high heat resistant covering glue for conveying materials, which can solve problems such as melting, loss of strength of skeleton materials, failure to protect skeleton materials, etc., and achieve the effect of improving service life

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

[0002] The skeleton material of the heat-resistant conveyor belt used in the steel mills is polyester canvas, but the heat resistance of the polyester canvas itself is very poor, and it can melt at 260°C
The working environment of the conveyor belt is generally high, so the skeleton material of the conveyor belt becomes brittle and loses strength in such a working environment, which affects the service life of the conveyor belt
[0003] The base material of the current cover rubber is EPDM rubber, but the adhesion performance of EPDM rubber is very poor. Working in a high temperature environment for a long time will cause the cover rubber of the conveyor belt to delaminate from the buffer rubber and adhesive glue in the middle. So it can't play the role of protecting the skeleton material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1: A preparation method of a heat-resistant covering glue for conveying materials, including the proportion of its components in parts by weight, including the following process steps:

[0026] (1) Mixing: Add 70 parts of ethylene propylene rubber A (3950) and 30 parts of ethylene propylene rubber B (2450) into the internal mixer and mix for 80 seconds at a mixing temperature of about 95°C; then add 5 parts Zinc oxide, 4 parts of magnesium oxide, 1 part of anti-aging agent RD: 1,2-dihydro-2,2,4-trimethylquinoline and 1 part of anti-aging agent MB: 2-mercaptobenzimidazole mixing 40 Seconds, the temperature is 120°C; add 40 parts of carbon black and 10 parts of paraffin oil and mix for 100 seconds, the temperature is 160°C; discharge the rubber, and the temperature of the discharge is controlled at 150°C;

[0027] (2) Put the rubber material obtained by debinding at room temperature for 10 hours and then carry out two-stage mixing: one-stage mixing, put 190 par...

Embodiment 2

[0032] Embodiment 2: A preparation method of a heat-resistant covering glue for transporting materials, the proportion of its components is calculated in parts by weight, including the following process steps:

[0033] (1) Mixing: Add 80 parts of ethylene propylene rubber A (3950) and 20 parts of ethylene propylene rubber B (2450) into the internal mixer and mix for 90 seconds at a mixing temperature of about 85°C; then add 10 parts Zinc oxide, 7 parts of magnesium oxide, 2 parts of anti-aging agent RD: 1,2-dihydro-2,2,4-trimethylquinoline and 2 parts of anti-aging agent MB: 2-mercaptobenzimidazole mixing 50 seconds, the temperature is 110°C; add 60 parts of carbon black and 15 parts of paraffin oil and mix for 120 seconds, the temperature is 160°C; finally discharge the obtained rubber, and the temperature is controlled at 160°C;

[0034] (2) Put the rubber material obtained by debinding at room temperature for 12 hours and then carry out two-stage mixing: one-stage mixing, p...

Embodiment 3

[0039] Embodiment 3: A preparation method of a heat-resistant covering glue for conveying materials, the proportion of its components is calculated in parts by weight, including the following process steps:

[0040] (1) Mixing: Add 75 parts of ethylene propylene rubber A (3950) and 25 parts of ethylene propylene rubber B (2450) into the internal mixer and mix for 85 seconds at a mixing temperature of about 90°C; then add 8 parts Zinc oxide, 6 parts of magnesium oxide, 1.5 parts of anti-aging agent RD: 1,2-dihydro-2,2,4-trimethylquinoline and 1.5 parts of anti-aging agent MB: 2-mercaptobenzimidazole mixing 45 seconds, the temperature is 115°C; add 50 parts of carbon black and 12 parts of paraffin oil and mix for 110 seconds, the temperature is 155°C; finally discharge the obtained rubber, and the temperature is controlled at 155°C;

[0041] (2) Put the rubber material obtained by debinding at room temperature for 11 hours and then carry out two-stage mixing: one-stage mixing, p...

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Abstract

The invention relates to a preparation method of high heat-resisting cover glue for conveying materials, comprising the following processing steps of: (1) mixing: mixing thylene propylene rubber A with thylene propylene rubber B in an internal mixer; then adding zinc oxide, magnesium oxide, antiager RD and antiager MB, then adding carbon black and paraffin oil for mixing, and discharging the glue; (2) placing the glue obtained from the glue discharging process at the room temperature for 10-12h and then performing two-section mixing, in the first-section mixing, charging the glue into the internal mixer to obtain mixed glue, and in the section-section mixing, adding zinc oxide, a vulcanizing agent and a cross-linking agent and then mixing for 80-90s at a temperature of 90-100 DEG C; and discharging the glue; and (3) extruding pieces: extruding the glues discharged from the two-section mixing process into pieces on an extruder to obtain the high heat-resisting cover glue. The invention prolongs the service life of a conveyer belt and can be adaptive to the serious environment of high temperature in sintering plants of steel mills together with the adhesive force and burn-resisting capability of steel mesh glue.

Description

technical field [0001] The invention relates to a preparation method of a high-heat-resistant covering glue for conveying materials, in particular to a high-heat-resistant covering glue used for conveying materials in a sintering workshop of a steel factory. Background technique [0002] The skeleton material of the heat-resistant conveyor belt used in the steel mills is polyester canvas, but the heat resistance of the polyester canvas itself is very poor, and it can melt at 260°C. The working environment of the conveyor belt is generally high, so the skeleton material of the conveyor belt becomes brittle and loses its strength under such a working environment, which affects the service life of the conveyor belt. [0003] The base material of the current cover rubber is EPDM rubber, but the adhesion performance of EPDM rubber is very poor. Working in a high temperature environment for a long time will cause the cover rubber of the conveyor belt to delaminate from the buffer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08K13/02C08K3/22C08K3/04C08K5/14C08K5/3492B29B7/28B29C47/92B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704B29C2948/92895
Inventor 阚世交袁佳春包志方
Owner WUXI BOTON CONVEYOR SOLUTION CO LTD
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