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Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof

A drainage pipe, ultra-quiet technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problems of poor chemical corrosion resistance and strength, large noise of drainage pipes, etc., achieve good chemical corrosion resistance, increase density and Rigidity, the effect of reducing shock and vibration

Inactive Publication Date: 2014-01-01
LINYI DONGLI PLASTIC BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above situation, in order to overcome the defects of the existing technology, the purpose of the present invention is to provide an ultra-quiet PE composite drainage pipe, which can effectively solve the problems of high noise, poor chemical corrosion resistance and poor strength of the current drainage pipe.

Method used

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  • Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof
  • Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof
  • Superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe and manufacturing method thereof

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Embodiment

[0055] Embodiment: preparation of intermediate microfoaming layer mixture

[0056] Crush 30 parts of natural fiber and pass through a 250-500um sieve, and dry at 80°C until the moisture content is less than 0.6%, to obtain natural fiber powder; then add 40 parts of inorganic filler (280-300 mesh) and treat with 2 parts of coupling agent. Then add 60 parts of polyethylene, 1 part of lubricant and 1 part of crosslinking agent respectively according to the mass ratio, heat mix the above-mentioned mixture at 110°C and discharge it to a cold mixing system at 40°C for cooling to obtain a premix; Extruded and granulated by a parallel twin-screw extruder, the process temperature is set at 180-200°C to produce semi-finished pellets; the semi-finished pellets are mixed with 2 parts of chemical foaming agent, 0.05 part of antioxidant and other additives Finally, it is added to the conical twin-screw in step 2 for extrusion molding, the process temperature is set at 140-180°C, and it is e...

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Abstract

The invention belongs to the field of pipes, relates to an enhanced drainage pipe and mainly relates to a superstrong-muting PE (polyethylene) core layer micro-foamed drainage pipe which is suitable for wastewater discharging, engineering transforming projects and home decoration of villa communities, high-rise residential communities, high-grade residential apartment communities and the like and industrial building fields like water discharging, sewage discharging, waste discharging and the like of industrial enterprises. The superstrong-muting PE composite drainage pipe is a multilayer composite body formed by a high-density polyethylene resin inner layer, a middle PE micro-foamed layer and a high-density polyethylene resin outer layer, the thickness ratio of the inner layer, the middle layer and the outer layer is 1:4:1, and the PE micro-foamed layer is composed of regenerated polyethylene resin powder, inorganic filler or organic filler, natural fibers, a cross-linking agent, a coupling agent, a lubricating agent, a foaming agent and an antioxidant. The superstrong-muting PE core layer micro-foamed drainage pipe has excellent denoising and muting performance, superstrong resistance to chemical corrosion and good impact resistance.

Description

Technical field: [0001] The invention relates to an enhanced sewage and sewer pipe, which belongs to the field of pipe materials, and mainly relates to a super-strong silent PE core layer micro-foaming drainage pipe and a preparation method thereof. Background technique: [0002] With the continuous improvement of living standards, people have higher and higher requirements for the living environment of buildings. Noise pollution has become the pollution that has the greatest impact on human life after air pollution. According to statistics, the current urban noise intensity has increased by 4% compared to 1956. As one of the main noise sources of civil buildings, drainage noise is a common problem that affects room comfort, especially in high-end residential areas, hotels, hotels, classrooms, hospitals and other places that are more sensitive to noise. Noise will not only affect hearing, but also have adverse effects on people's cardiovascular system, nervous system, and en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/21C08L23/06C08L97/02C08K13/06C08J9/10C08J9/08B29B9/06B29C47/00B29C44/00
CPCF16L9/21B29B9/06B29C44/00B29C48/00C08L23/06C08L2203/18C08L2205/16C08L97/02C08K13/06
Inventor 王爱国王帅波褚言永郝聚凯袁春雷
Owner LINYI DONGLI PLASTIC BUILDING MATERIAL CO LTD
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