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Impact and cracking resistant material for combustion gas pipelines

A gas pipeline and impact-resistant technology, which is applied in the field of impact-resistant and anti-cracking materials for gas pipelines, can solve the problems of insufficient pressure bearing capacity and easy cracking of polyethylene plastic pipes, so as to increase impact resistance and toughness, and increase impact resistance , Increase toughness and impact resistance

Inactive Publication Date: 2016-03-30
安徽宁国市高新管业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the gradual increase in the design pressure of urban natural gas pipelines, especially the upstream long-distance gas pipelines are laid in cities, the problems of insufficient pressure bearing capacity and easy cracking of polyethylene plastic pipes are becoming more and more obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A kind of anti-shock anti-cracking material for gas pipeline, its raw material comprises by weight: 40 parts of high-density polyethylene, 40 parts of EPDM rubber, 20 parts of acrylonitrile-butadiene-styrene copolymer, 40 parts of carbon black 1.8 parts of modified montmorillonite, 0.13 parts of modified carbon nanotubes, 20 parts of any ester of cyclohexanedicarboxylate, 30 parts of methyl acetyl ricinoleate, 15 parts of ammonium polyphosphate, 15 parts of zinc borate, 5 parts of red phosphorus, 3 parts of di-tert-butyl peroxide, 0.4 parts of dimethylaminopropylamine, 0.3 parts of accelerator CZ, 2 parts of Ca / Zn composite stabilizer, 2 parts of zinc stearate, butyl mercaptan 1 part of tin, 1 part of anti-aging agent D, 0.3 parts of anti-aging agent RD, 3 parts of polyethylene wax;

[0019] Among them, in the preparation process of anti-shock and anti-cracking materials for gas pipelines, high-density polyethylene, EPDM rubber, and acrylonitrile-butadiene-styrene copol...

Embodiment 2

[0023] An anti-shock and anti-cracking material for gas pipelines, the raw materials of which include by weight: 60 parts of high-density polyethylene, 30 parts of EPDM rubber, 30 parts of acrylonitrile-butadiene-styrene copolymer, and 30 parts of carbon black 2.6 parts of modified montmorillonite, 0.9 parts of modified carbon nanotubes, 30 parts of any ester of cyclohexane dicarboxylate, 20 parts of methyl acetyl ricinoleate, 25 parts of ammonium polyphosphate, 10 parts of zinc borate, 8 parts of red phosphorus, 1 part of di-tert-butyl peroxide, 0.6 part of dimethylaminopropylamine, 0.1 part of accelerator CZ, 4 parts of Ca / Zn composite stabilizer, 1 part of zinc stearate, butyl mercaptan 2 parts of tin, 0.5 parts of anti-aging agent D, 0.5 parts of anti-aging agent RD, 1 part of polyethylene wax;

[0024]Among them, in the preparation process of anti-shock and anti-cracking materials for gas pipelines, high-density polyethylene, EPDM rubber, and acrylonitrile-butadiene-styre...

Embodiment 3

[0028] An anti-shock and anti-cracking material for gas pipelines, the raw materials of which include by weight: 45 parts of high-density polyethylene, 38 parts of EPDM rubber, 23 parts of acrylonitrile-butadiene-styrene copolymer, and 38 parts of carbon black 2 parts of modified montmorillonite, 0.12 parts of modified carbon nanotubes, 22 parts of any ester of cyclohexanedicarboxylate, 28 parts of methyl acetyl ricinoleate, 17 parts of ammonium polyphosphate, 13 parts of zinc borate, 6 parts of red phosphorus, 2.5 parts of di-tert-butyl peroxide, 0.45 parts of dimethylaminopropylamine, 0.25 parts of accelerator CZ, 2.5 parts of Ca / Zn composite stabilizer, 1.8 parts of zinc stearate, butyl mercaptan 1.3 parts of tin, 0.8 parts of anti-aging agent D, 0.35 parts of anti-aging agent RD, 2.5 parts of polyethylene wax;

[0029] Among them, in the preparation process of anti-shock and anti-cracking materials for gas pipelines, high-density polyethylene, EPDM rubber, and acrylonitril...

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Abstract

The invention discloses an impact and cracking resistant material for combustion gas pipelines. The material comprises, by weight, 40-60 parts of high density polyethylene, 30-40 parts of ethylene propylene diene monomer, 20-30 parts of acrylonitrile-butadiene-styrene copolymer, 30-40 parts of carbon black, 1.8-2.6 parts of modified montmorillonite, 0.9-0.13 parts of modified carbon nanotubes, 20-30 parts of nonyl cyclohexanedicarboxylate, 20-30 parts of methyl acetylricinoleate, 15-20 parts of ammonium polyphosphate, 10-15 parts of zinc borate, 5-8 parts of red phosphorus, 1-3 parts of di-tert-butyl peroxide, 0.4-0.6 parts of dimethylaminopropylamine, 0.1-0.3 parts of a promoter CZ, 2-4 parts of a Ca / Zn composite stabilizer, 1-2 parts of zinc stearate, 1-2 parts of butylmercaptooxo stannane, 0.5-1 part of an antioxidant D, 0.3-0.5 parts of an antioxidant RD and 1-3 parts of polyethylene wax. The material has the advantages of good impact resistance and high toughness.

Description

technical field [0001] The invention relates to the technical field of gas pipeline materials, in particular to an impact-resistant and crack-resistant material for gas pipelines. Background technique [0002] With the rapid development of urban economy, urban natural gas industry is also developing at a high speed, so higher requirements are put forward for the quality of natural gas pipelines. At present, polyethylene plastic pipes are widely used. Compared with other pipes, polyethylene plastic pipes have many advantages such as light weight, corrosion resistance, no rust, convenient laying, fast and reliable connection, and long service life. However, with the gradual increase in the design pressure of urban natural gas pipelines, especially the upstream long-distance gas pipelines are laid in cities, the problems of insufficient pressure bearing capacity and easy cracking of polyethylene plastic pipes are becoming more and more obvious. Therefore, it is urgent to explo...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/16C08L55/02C08K13/06C08K9/06C08K9/04C08K3/34C08K7/24C08K3/04C08K3/32C08K3/38C08K3/02
CPCC08L23/06C08K2201/011C08L23/16C08L2203/18C08L2205/025C08L2205/035C08L2207/062
Inventor 金立胜
Owner 安徽宁国市高新管业有限公司
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