Polyethylene water supply pipe with antibacterial performance and preparation method thereof

A technology for water supply pipes and polyethylene, which is applied in the field of polyethylene water supply pipes with antibacterial properties and its preparation, can solve the problems of reduced antibacterial ability, excessive production cost, limited application and the like, meets the requirements of water quality, and has a simple manufacturing process. , the effect of reducing production costs

Inactive Publication Date: 2016-12-07
大禹节水(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although silver-containing antibacterial water supply pipe fittings have strong antibacterial ability, their application in pipe products has the following disadvantages: 1. The antibacterial ability is reduced or even invalid due to oxidation and discoloration, and the antibacterial durability is poor
2. The mechanical properties of pipes made of silver-containing masterbatch are gre

Method used

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  • Polyethylene water supply pipe with antibacterial performance and preparation method thereof
  • Polyethylene water supply pipe with antibacterial performance and preparation method thereof
  • Polyethylene water supply pipe with antibacterial performance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The formulation of the antibacterial polyethylene water supply pipe consists of the following raw materials in parts by mass:

[0020]

[0021] Put the above-mentioned raw materials in a mixer according to the weight portion and stir them evenly, introduce the blend into an extruder for granulation, and extrude the granulated granules through a single-screw extruder to obtain a polyethylene water supply pipe.

[0022] Mixing and stirring: Put the above raw materials into the mixer in turn, and the stirring time is 25min (20-30min);

[0023] Extrusion granulation: Put the uniformly mixed materials into the twin-screw extruder for blending and granulation. The temperature range of each section of the extruder is: 175°C-220°C;

[0024] Extrusion molding, extruding the granulated particles through a single-screw extruder to obtain a polyethylene water supply pipe, the temperature of the barrel is 180°C, and the temperature of the die is 220°C.

Embodiment 2

[0026] The formulation of the antibacterial polyethylene water supply pipe consists of the following raw materials in parts by mass:

[0027]

[0028] Put the above-mentioned raw materials in a mixer according to the weight portion and stir them evenly, introduce the blend into an extruder for granulation, and extrude the granulated granules through a single-screw extruder to obtain a polyethylene water supply pipe.

[0029] Mixing and stirring: put the above raw materials into the mixer in turn, and the mixing time is 30 minutes;

[0030] Extrusion granulation: Put the uniformly mixed materials into the twin-screw extruder for blending and granulation. The temperature range of each section of the extruder is: 175°C-220°C;

[0031] Extrusion molding: Extrude the granulated granules through a single-screw extruder to obtain a polyethylene water supply pipe. The temperature of the barrel is 200°C, and the temperature of the die is 225°C.

Embodiment 3

[0033] The formulation of the antibacterial polyethylene water supply pipe consists of the following raw materials in parts by mass:

[0034]

[0035] Put the above-mentioned raw materials in a mixer according to the weight portion and stir them evenly, introduce the blend into an extruder for granulation, and extrude the granulated granules through a single-screw extruder to obtain a polyethylene water supply pipe.

[0036] Mixing and stirring: put the above raw materials into the mixer in turn, and the stirring time is 20min (20-30min);

[0037] Extrusion granulation: Put the uniformly mixed materials into the twin-screw extruder for blending and granulation. The temperature range of each section of the extruder is: 175°C-220°C;

[0038] Extrusion molding: Extrude the granulated granules through a single-screw extruder to obtain a polyethylene water supply pipe. The temperature of the barrel is 220°C, and the temperature of the die is 230°C.

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Abstract

The invention discloses a polyethylene water supply pipe with antibacterial performance. The water supply pipe prepared through the method has good antibacterial performance and reduces secondary pollution in the water delivery process. The polyethylene water supply pipe is prepared from, by mass, 80-100 parts of high-density polyethylene, 10-30 parts of PE 100-grade granules, 4-8 parts of black color masterbatch and 2-3 parts of a compound antibacterial agent, wherein the compound antibacterial agent is a compound system of a silver-zeolite antibacterial agent and a quaternary ammonium salt grafted polyethylene antibacterial agent. The polyethylene water supply pipe has the advantages that the preparation process is simple; by using the compound system of the inorganic antibacterial agent and the organic antibacterial agent, the production cost of the antibacterial polyethylene pipe is reduced, and the polyethylene water supply pipe is broad in antibacterial spectrum, efficient and the like, reduces secondary pollution in the water delivery process and meets the requirement of people for water quality in daily life.

Description

technical field [0001] The invention relates to a polyethylene water supply pipe, in particular to a polyethylene water supply pipe with antibacterial properties and a preparation method thereof. Background technique [0002] In the early days, galvanized steel pipes were mostly used for water supply pipes, but such pipes are easy to corrode and cause water pollution. In recent years, water supply pipes have been gradually replaced by plastic pipes. As people's requirements for water quality are getting higher and higher, polyethylene pipes with excellent antibacterial properties have gradually become the mainstream. [0003] At present, most of the plastic pipes used for water supply are polyethylene pipes, but ordinary polyethylene pipes have weak antibacterial properties and are difficult to achieve antibacterial effects. During long-term use, a considerable number of microorganisms will adhere to and breed on the inner surface of the pipe, causing water pollution. Ordin...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L51/06C08K3/34
CPCC08L23/06C08L2203/18C08L2205/025C08L2205/035C08L2207/062C08L51/06C08K3/34
Inventor 王冲孟庆阳
Owner 大禹节水(天津)有限公司
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