Elastomer for covering layer of fiber laminated flame-retardant conveyor belt used for coal mine and preparation method thereof

A conveyor belt and covering layer technology is applied in the field of fabric laminated flame-retardant conveyor belts for coal mines. Moderate performance, high intensity effect

Inactive Publication Date: 2017-12-22
ANHUI OUNAI RUBBER & PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main material of the fabric laminated flame-retardant conveyor belt for coal mines is rubber, which forms a network structure after vulcanization, and only softens and decomposes after being heated. Products made of traditional rubber and flame-retardant materials are difficult to break, or in the friction process The temperature exceeds the standard during the process, which makes it difficult to pass the friction roller test required for safety performance

Method used

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  • Elastomer for covering layer of fiber laminated flame-retardant conveyor belt used for coal mine and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Put 50 kilograms of natural rubber, 40 kilograms of thermoplastic styrene-butadiene rubber, and 10 kilograms of modified chlorosulfonated polyethylene into an internal mixer or an open mill, and control the speed of 25-40r / min to blend for 1-3min;

[0028] Then add reinforcing agent: 30 kg of N220 carbon black, 10 kg of white carbon black, 10 kg of nano clay; silane coupling agent: 2 kg of SI-69; mixing for 1.5min-3min;

[0029] Add flame retardant: 10 kg of decabromine, 20 kg of 70% chlorinated paraffin, 8 kg of antimony trioxide, 15 kg of zinc borate, 20 kg of aluminum hydroxide, 20 kg of magnesium hydroxide; activator: 8 kg of zinc oxide, 2 kg of stearic acid; anti-aging agent: 1.5 kg of 4010Na, 1.5 kg of RD; mixing for 2min-5min;

[0030] Add flame retardant plasticizer: 10 kg of TPP; mix until 150°C-155°C for debinding;

[0031] After cooling and parking for 24 hours, put it into the internal mixer again to mix to 60°C, add accelerator: 1.0 kg of CZ, 0.8 kg of DM;...

Embodiment 2

[0034] Put 60 kilograms of natural rubber, 30 kilograms of thermoplastic styrene-butadiene rubber, 10 kilograms of modified chlorosulfonated polyethylene into an internal mixer or an open mill, and control the speed of 25-40r / min to blend for 1-3min;

[0035] Add reinforcing agent: 30 kg of N220 carbon black, 10 kg of white carbon black, 10 kg of nano clay; silane coupling agent: 2 kg of SI-69; mixing for 1.5min-3min;

[0036] Add flame retardant: 10 kg of decabromine, 20 kg of 70% chlorinated paraffin, 8 kg of antimony trioxide, 15 kg of zinc borate, 20 kg of aluminum hydroxide, 20 kg of magnesium hydroxide; activator: 8 kg of zinc oxide, 2 kg of stearic acid; anti-aging agent: 1.5 kg of 4010Na, 1.5 kg of RD; mixing for 2min-5min;

[0037] Add flame retardant plasticizer: 10 kg of TPP; mix until 150°C-155°C for debinding;

[0038] After cooling and parking for 24 hours, put it into the internal mixer again to mix to 60°C, add accelerator: 1.0 kg of CZ, 0.8 kg of DM; vulcaniz...

Embodiment 3

[0041]70 kilograms of natural rubber, 20 kilograms of thermoplastic styrene-butadiene rubber, and 10 kilograms of modified chlorosulfonated polyethylene were put into an internal mixer or an open mill, and the control speed was 25-40r / min and blended for 1-3min;

[0042] Then add reinforcing agent: 30 kg of N220 carbon black, 10 kg of white carbon black, 10 kg of nano clay; silane coupling agent: 2 kg of SI-69; mixing for 1.5min-3min;

[0043] Add flame retardant: 10 kg of decabromine, 20 kg of 70% chlorinated paraffin, 8 kg of antimony trioxide, 15 kg of zinc borate, 20 kg of aluminum hydroxide, 20 kg of magnesium hydroxide; activator: 8 kg of zinc oxide, 2 kg of stearic acid; anti-aging agent: 1.5 kg of 4010Na, 1.5 kg of RD; mixing for 2min-5min;

[0044] Add flame retardant plasticizer: 10 kg of TPP; mix until 150°C-155°C for debinding;

[0045] After cooling and parking for 24 hours, put it into the internal mixer again to mix to 60°C, add accelerator: 1.0 kg of CZ, 0.8 k...

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Abstract

The invention discloses an elastomer for a covering layer of a fiber laminated flame-retardant conveyor belt used for a coal mine and a preparation method thereof. The elastomer comprises the following components in parts by weight: 50 to 70 parts of base rubber material natural rubber, 20 to 40 parts of thermoplastic styrene-butadiene rubber SEBS, 5 to 10 parts of modified chlorosulfonated polyethylene MCSM, 40 to 60 parts of a reinforcing agent, 1.5 to 3 parts of a silane coupling agent, 45 to 100 parts of a flame retardant, 5 to 15 parts of an activator, 1.5 to 3 parts of an anti-aging agent, 6 to 15 parts of a flame-retardant plasticizer, 1.0 to 2.5 parts of an accelerator and 1.5 to 3.5 parts of a vulcanizing agent. The elastomer prepared by using the method provided by the invention has good mechanical properties and elasticity, can meet the requirements of underground conveying in the coal mine, is convenient for production and processing, and facilitates reduction of production cost.

Description

technical field [0001] The invention relates to a conveying device for underground coal mines, in particular to a fabric laminated flame-retardant conveying belt for coal mines. Background technique [0002] Coal Mine Fabric Laminated Flame Retardant Conveyor Belt for Coal Mine is the main means of transporting materials underground in coal mines. Due to special application environments such as high gas, high dust, long distances, and large transport volumes in coal mines, coal mine fabric laminated flame retardant The conveyor belt has high flame retardant and antistatic properties and physical and mechanical properties. [0003] The fabric laminated flame-retardant conveyor belt for coal mines uses multi-layer rubber-coated canvas as the skeleton layer, and the upper and lower layers of high-elastic flame-retardant rubber are vulcanized to form a whole. Different from PVC and PVG whole-core flame-retardant conveyor belts, the integrally woven belt core is plasticized to f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L53/02C08L23/34C08K13/02C08K3/04C08K3/36C08K3/34C08K3/22C08K5/09B65G15/34
CPCC08L7/00B65G15/34C08K2201/011C08L2201/02C08L2205/035C08L53/025C08L23/34C08L91/06C08K13/02C08K3/04C08K3/36C08K3/346C08K3/2279C08K5/09
Inventor 操江胡世献
Owner ANHUI OUNAI RUBBER & PLASTIC IND
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