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Material special for PE100 level pipe and preparation method of material

A technology of special material and grade pipe, which is applied in the field of PE100 grade pipe special material and its preparation, to achieve the effect of excellent fast and slow crack growth performance, high pressure resistance grade and less dosage

Inactive Publication Date: 2019-02-15
江苏亿超环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, most of the currently used PE100 grade pipe materials are imported from abroad, and domestic production is relatively small.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A special material for PE100 grade pipes, the raw materials include, in parts by weight: 100 parts of high-density polyethylene, 1 part of modified glass fiber, 1 part of polyvinyl chloride, 2 parts of thermoplastic elastomer, 1 part of bromobutyl rubber, three 1 part of EPDM rubber, 1 part of compatibilizer, 1 part of lubricant, 0.05 part of ultraviolet absorber, and 0.05 part of antioxidant.

[0017] The modified glass fiber is obtained by soaking the glass fiber in a silane coupling agent and an antistatic agent and then drying it. Specifically, the glass fiber is soaked in 0.5wt.% silane coupling agent KH560 and 1.2wt.% SM-210 quaternary ammonium antistatic agent for 12 hours, and then dried at 100°C.

[0018] Described lubricant is zinc stearate.

[0019] The compatibilizer is PE-g-ST.

[0020] The ultraviolet absorber is nano-titanium dioxide with a particle size of 300-500nm.

[0021] The antioxidant is a phenolic antioxidant.

[0022] The preparation method ...

Embodiment 2

[0024] A special material for PE100 grade pipes, the raw materials include, in parts by weight: 100 parts of high-density polyethylene, 2 parts of modified glass fiber, 2 parts of polyvinyl chloride, 5 parts of thermoplastic elastomer, 2 parts of bromobutyl rubber, three 1.5 parts of ethylene propylene rubber, 1.5 parts of compatibilizer, 2 parts of lubricant, 0.15 part of ultraviolet absorber, and 0.15 part of antioxidant.

[0025] The modified glass fiber is obtained by soaking the glass fiber in a silane coupling agent and an antistatic agent and then drying it. Specifically, the glass fiber is soaked in 0.5wt.% silane coupling agent KH560 and 1.2wt.% SM-210 quaternary ammonium antistatic agent for 12 hours, and then dried at 100°C.

[0026] Described lubricant is magnesium stearate.

[0027] The compatibilizer is PPE-g-MAH.

[0028] The ultraviolet absorber is nano-titanium dioxide with a particle size of 300-500nm.

[0029] The antioxidant is a phenolic antioxidant.

...

Embodiment 3

[0032] A special material for PE100 grade pipes, the raw materials include in parts by weight: 100 parts of high-density polyethylene, 4 parts of modified glass fiber, 2 parts of polyvinyl chloride, 3 parts of thermoplastic elastomer, 1 part of brominated butyl rubber, three parts 2 parts of ethylene propylene rubber, 2 parts of compatibilizer, 1 part of lubricant, 0.2 part of ultraviolet absorber, 0.2 part of antioxidant.

[0033] The modified glass fiber is obtained by soaking the glass fiber in a silane coupling agent and an antistatic agent and then drying it. Specifically, the glass fiber is soaked in 0.5wt.% silane coupling agent KH560 and 1.2wt.% SM-210 quaternary ammonium antistatic agent for 12 hours, and then dried at 100°C.

[0034] The lubricant is paraffin.

[0035] The compatibilizer is PE-g-ST.

[0036] The ultraviolet absorber is nano-titanium dioxide with a particle size of 300-500nm.

[0037] The antioxidant is a phenolic antioxidant.

[0038] The prepara...

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Abstract

The invention discloses a material special for a PE100 level pipe and a preparation method of the material. The special material comprises the following raw materials: high density polyethylene, modified glass fibers, polyvinyl chloride, thermoplastic elastomer, brominated butyl rubber, ethylene propylene diene monomer, a compatilizer, a lubricating agent, an ultraviolet light absorber and an antioxidant. The preparation method comprises the following steps: mixing the high density polyethylene, modified glass fibers, polyvinyl chloride, thermoplastic elastomer, brominated butyl rubber, ethylene propylene diene monomer, the compatilizer, the lubricating agent, the ultraviolet light absorber and the antioxidant at a high speed, feeding into an internal mixing granulator, and granulating, thereby obtaining the product. The prepared pipe product is high in pressure resistance level, is thin in pipe wall under the same pressure condition and small in usage amount, can bear higher pressureunder the same usage condition, and has excellent rapid and slow crack growth resistance.

Description

technical field [0001] The invention belongs to the technical field of engineering plastics, and in particular relates to a special material for PE100 grade pipes and a preparation method thereof. Background technique [0002] Polyethylene (PE) pipes have the characteristics of outstanding chemical corrosion resistance, low temperature resistance, heat resistance and wear resistance, good welding performance, no pollution to the conveying medium, long service life, low manufacturing and installation costs, etc., and are widely used In municipal engineering construction, agricultural production and petrochemical and other fields. [0003] The development of PE pipe materials has a history of more than 50 years. According to the international standards ISO9080-2012 and IS012162-2009, PE pipes are divided into PE32, PE40, PE63, PE80, PE100, PE112 and PE125. Grade tube material is the main one. PE100 means that at 20°C, the special material for PE pipes can still maintain a ...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L27/06C08L23/28C08L23/16C08K9/06C08K9/04C08K7/14C08K3/22
CPCC08K2003/2241C08K2201/011C08L23/06C08L2203/18C08L2205/035C08L27/06C08L23/283C08L23/16C08K9/06C08K9/04C08K7/14C08K3/22
Inventor 杨兵
Owner 江苏亿超环境科技有限公司
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