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Covering rubber for fire-retardant heat-resistance fabric core conveyer belt and preparation method of covering rubber

A technology for fabric cores and conveyor belts, applied in the field of cover glue for flame-retardant and heat-resistant fabric core conveyor belts and its preparation, can solve the problems of ordinary heat-resistant belts that do not have flame-retardant performance, burned belts, and losses, and achieve The effects of low static conductivity, good physical properties, and excellent flame retardant properties

Active Publication Date: 2013-07-03
WUXI BOTON CONVEYOR SOLUTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, some enterprises have reported that due to conveyor and industrial and mining conditions, the heat-resistant conveyor belt used may instantly reach a flammable temperature of rubber organic materials, causing the conveyor belt to burn. Causes the entire conveyor belt to burn in a large area, burns the belt body, and causes serious losses

Method used

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  • Covering rubber for fire-retardant heat-resistance fabric core conveyer belt and preparation method of covering rubber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1 A method for preparing a cover glue for a flame-retardant and heat-resistant fabric core conveyor belt, comprising the following process steps in parts by weight:

[0022] (1) Mastication: add 70 parts of chlorinated polyethylene into the open mill, the plastication temperature is 50-80 °C, roll over 10 times, add 30 parts of neoprene, the plastication temperature is 60-90 °C, pass Roll 10 times to get the premix;

[0023] (2) One-stage mixing: Add the premix into the internal mixer, press the top bolt for 20 seconds, put in 6 parts of antimony trioxide, 16 parts of composite flame retardant, 10 parts of activated magnesium oxide, and 12 parts of lead stearate. 0.5 parts of anti-aging agent RD, 2 parts of anti-aging agent MB, press the top bolt for 45 seconds, put in 40 parts of carbon black N330, 5 parts of dioctyl phthalate, 8 parts of 52# chlorinated paraffin, press the top bolt 60 seconds, the obtained mixed rubber is discharged into the open mill, and...

Embodiment 2

[0028] Embodiment 2 A method for preparing a cover glue for a flame-retardant and heat-resistant fabric core conveyor belt, comprising the following process steps in parts by weight:

[0029] (1) Mastication: add 100 parts of chlorinated polyethylene into the open mill, the mastication temperature is 50-80°C, and roll over 10 times to obtain the mastication rubber;

[0030] (2) One-stage mixing: Add the plasticized rubber into the internal mixer, press the top bolt for 20 seconds, put in 15 parts of composite flame retardant, 5 parts of antimony trioxide, 15 parts of activated magnesium oxide, and 15 parts of lead stearate. 0.5 parts of anti-aging agent RD, 1.5 parts of anti-aging agent MB, press the top bolt for 45 seconds, put in 35 parts of carbon black N330, 10 parts of dioctyl phthalate, 8 parts of 52# chlorinated paraffin, press on Push the bolt for 60 seconds, the obtained mixed rubber is discharged into the open mill, and cooled and parked for 4 hours;

[0031] (3) Tw...

Embodiment 3

[0032] Embodiment 3 A method for preparing a cover glue for a flame-retardant and heat-resistant fabric core conveyor belt, comprising the following process steps in parts by weight:

[0033] (1) Masticating: Add 85 parts of chlorinated polyethylene into the open mixer, the masticating temperature is 50-80°C, masticate for 7 minutes, add 25 parts of neoprene, the masticating temperature is 60-90°C, and then plasticize Refining for 3-8 minutes to obtain the premix;

[0034] (2) One-stage mixing: Add the premix prepared in step (1) into the internal mixer, press the top bolt for 20 seconds, and then put in 8 parts of antimony trioxide, 20 parts of composite flame retardant, and 12 parts of activated magnesium oxide. 13 parts of lead stearate, 0.8 parts of anti-aging agent RD and 2 parts of anti-aging agent MB, press the top bolt for 45 seconds, and finally put in 45 parts of carbon black N330, 12 parts of dioctyl phthalate, 52# chlorinated paraffin 12 parts, press the top bolt ...

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Abstract

The invention relates to covering rubber for a fire-retardant heat-resistance fabric core conveyer belt and a preparation method of the covering rubber. The heat-resistance performance of the covering rubber conforms to the level of the national standard GB / T20021T2, and the covering rubber has the flame-retardant property of a common flame-retardant belt. A rubber system, a vulcanization system,a tackifying system, a reinforcing system, a plastifying system, a softening system and a flame-retardant system are plasticated, mixed, heated, rolled, molded and vulcanized to prepare the covering rubber. The covering rubber for the fire-retardant heat-resistance fabric core conveyer belt can meet the requirements of various physical and chemical indexes of the covering rubber of the common heat-resistance conveyer belt, has good flame retardant performance and simultaneously has heat resistance and flame retardance.

Description

technical field [0001] The invention relates to a covering glue for a flame-retardant and heat-resistant fabric core conveyor belt and a preparation method thereof. The heat-resistant performance meets the national standard GB / T20021 T2 level, and has the flame-retardant characteristics of general flame-resistant belts. Background technique [0002] Generally, ordinary heat-resistant conveyor belts are used to transport materials that do not exceed 150 °C. In recent years, some enterprises have reported that due to conveyor and industrial and mining conditions, the heat-resistant conveyor belt used may instantly reach a flammable temperature of rubber organic materials, causing the conveyor belt to burn. As a result, the entire conveyor belt burns in a large area, burns the belt body, and causes serious losses. The present invention is designed to deal with this special situation, and provides a covering glue formula that is heat-resistant and has a certain flame-retardant ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/28C08L11/00C08K13/02C08K5/14C08K3/22C08K5/098C08K3/04C08K5/06
Inventor 袁佳春包志方吴建国曲成东孙业斌
Owner WUXI BOTON CONVEYOR SOLUTION CO LTD