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Coiled high-toughness high-density polyethylene pipeline for spray irrigation

A high-density polyethylene and high-toughness technology, applied in the field of polyethylene pipes, can solve problems such as unsatisfactory safety, easy leakage of joints, and easy corrosion, so as to improve tensile strength and fatigue resistance, long service life, Effect of Reducing Longitudinal Retraction

Active Publication Date: 2021-10-01
黑龙江贞财管道有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the pipeline has been buried underground for a long time, if traditional non-coiled pipelines such as steel pipes and cast iron pipes are used, as time goes by, there will be problems such as easy corrosion, easy leakage of joints, poor toughness, and high cost. Strong, earthquake-prone areas, mountainous areas, swamps and other occasions are not ideal for safety

Method used

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  • Coiled high-toughness high-density polyethylene pipeline for spray irrigation
  • Coiled high-toughness high-density polyethylene pipeline for spray irrigation
  • Coiled high-toughness high-density polyethylene pipeline for spray irrigation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A coil-type high-toughness high-density polyethylene pipe for sprinkler irrigation, which is prepared from the following raw materials in parts by volume: 50 parts of PE80 grade polyethylene resin, 50 parts of PE100 grade polyethylene resin, 30 parts of SEBS, 5 parts of chopped carbon fiber 10 parts of chlorite powder, 5 parts of nano-zirconia, 1 part of antimony trioxide, 5 parts of polyethylene wax, 5 parts of zinc stearate, 1 part of aluminum-titanium composite coupling agent, maleic anhydride grafted polymer 5 parts of ethylene compatibilizer, 1 part of tris(2,4-di-tert-butylphenyl) phosphite, 1 part of color masterbatch.

[0053] Including the following preparation steps:

[0054] (1) Crushing the raw materials into powder, the particle size of all raw materials is between 100-200 mesh;

[0055] (2) 13 kinds of powdered raw materials are put into each raw material cavity from the outer layer to the inner layer according to the ratio from large to small;

[0056] ...

Embodiment 2

[0063] A coil-type high-toughness high-density polyethylene pipe for sprinkler irrigation, which is prepared from the following raw materials in parts by volume: 100 parts of PE80 grade polyethylene resin, 100 parts of PE100 grade polyethylene resin, 50 parts of SEBS, and 10 parts of chopped carbon fiber 20 parts of chlorite powder, 10 parts of nano-zirconia, 5 parts of antimony trioxide, 10 parts of polyethylene wax, 10 parts of calcium stearate, 5 parts of aluminum-titanium composite coupling agent, maleic anhydride grafted polymer 20 parts of ethylene compatibilizer, 5 parts of tris(2,4-di-tert-butylphenyl) phosphite, 5 parts of color masterbatch.

[0064] The preparation steps are the same as in Example 1, and the nominal diameter (DN) of the obtained coiled high-density polyethylene pipe is 50 mm, and the nominal wall thickness is 5 mm.

Embodiment 3

[0066] A coil-type high-toughness high-density polyethylene pipe for sprinkler irrigation, which is prepared from the following raw materials in parts by volume: 75 parts of PE80 grade polyethylene resin, 75 parts of PE100 grade polyethylene resin, 40 parts of SEBS, and 8 parts of chopped carbon fiber 15 parts of chlorite powder, 7 parts of nano-zirconia, 3 parts of antimony trioxide, 8 parts of polyethylene wax, 7 parts of calcium stearate, 3 parts of aluminum-titanium composite coupling agent, maleic anhydride grafted polymer 15 parts of ethylene compatibilizer, 3 parts of tris(2,4-di-tert-butylphenyl) phosphite, 3 parts of color masterbatch.

[0067] The preparation steps are the same as in Example 1, and the nominal diameter (DN) of the obtained coiled high-density polyethylene pipe is 50 mm, and the nominal wall thickness is 5 mm.

[0068] In embodiment 1-3, used SEBS, carbon fiber, chlorite powder, polyethylene wax, aluminum-titanium composite coupling agent, maleic anhy...

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Abstract

The invention discloses a coiled high-toughness high-density polyethylene pipeline for spray irrigation, which is prepared by taking high-density polyethylene resin as a main raw material, adding ingredients and auxiliaries, firstly preparing high-density polyethylene pipeline material particles, then extruding and molding the high-density polyethylene pipeline material particles, and performing vacuum setting and cooling to obtain the high-density polyethylene pipeline. Finally, the pipeline is dragged by a pipe dragger to a winding machine to be wound, and the coiled high-density polyethylene pipeline is obtained. The prepared coiled high-toughness high-density polyethylene pipeline for sprinkling irrigation has the characteristics of coexistence of toughness and rigidity, difficulty in breaking and deformation and reusability, and is suitable for the fields of agriculture, greening irrigation and the like.

Description

technical field [0001] The invention belongs to the technical field of polyethylene pipes, in particular to a coiled high-density polyethylene pipe for high-toughness sprinkler irrigation. Background technique [0002] my country's water resources are relatively scarce and the distribution is seriously uneven, and agricultural water use is the absolute bulk of my country's water use. The proportion of my country's total agricultural water use in the water demand of the whole society is much higher than the proportion of agricultural water use in developed countries. Therefore, it is of great significance to promote agricultural water saving in our country. The way out for agricultural water saving lies in the development of water-saving irrigation and the promotion of advanced irrigation techniques and measures. Pipeline water irrigation is one of the best basic measures for water-saving facilities, which can eliminate evaporation loss and leakage loss, and greatly improve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L53/02C08K7/06C08K3/34C08K3/22C08K13/04
CPCC08L23/06C08L2205/025C08L2205/035C08L2203/18C08L2207/062C08K2201/011C08K2003/2244C08L53/025C08K7/06C08K3/34C08K3/2279C08K3/22C08K13/04Y02A40/22
Inventor 崔健伟张喜宝姜洪坤范占新王贤旸
Owner 黑龙江贞财管道有限公司
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