ABS (acrylonitrile butadiene styrene)/PA (polyamide) composite antibacterial pipe and preparation method thereof

Abstract

The invention discloses an ABS (acrylonitrile butadiene styrene)/PA (polyamide) composite antibacterial pipe and a preparation method thereof. The composite antibacterial pipe comprises the following components in parts by weight: 60-80 parts of ABS, 25-40 parts of PA, 5-20 parts of polyester thermoplastic elastomer, 1-6 parts of nano-silver powder, 0.5-5 parts of ammonium dihydrogen phosphate, 2-5 parts of 2, 6-tributyl-4-methylphenol, 1-4 parts of diester thiodipropionate, 6-15 parts of chlorinated polyethylene, 0.5-1.2 parts of stearic acid and 5-10 parts of titanium dioxide. The prepared composite antibacterial pipe has not only good tolerance, but also good antibacterial effect.

Description

technical field [0001] The invention discloses an ABS / PA composite antibacterial tube and a preparation method thereof. Background technique [0002] Most of the plastic pipes currently used are PVC plastic pipes, which have the advantages of easy processing, convenient bonding, low cost, good rigidity and corrosion resistance. However, due to the characteristics of the molecular structure of PVC itself, its glass transition temperature is low. It is characterized by high brittleness, poor low temperature resistance, poor weather resistance, and easy cracking. It is easy to break when used for water pipes and other pipes for a long time. Therefore, people mix and modify PVC resin with various tougheners to improve its impact resistance. Improvement, but the corresponding rigidity decreases, the degree of stretching decreases, and the advantages of PVC itself are lost. Another type of plastic pipe used for water supply and drainage of buildings is polypropylene pipe, which i...

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Problems solved by technology

[0002] Most of the plastic pipes currently used are PVC plastic pipes, which have the advantages of easy processing, convenient bonding, low cost, good rigidity and corrosion resistance. However, due to the characteristics of the molecular structure of PVC itself, its glass transition temperature is low. It is characterized by high brittleness, poor low-temperature resistance, poor weather resistance, and easy cracking. It is easy to break when used for water pipes and other pipes for a long time. Therefore, people mix and modify PVC resin with various tougheners to improve its impact resistance. Improvement, but the corresponding rigidity decreases, the degree of stretching decreases, and the PVC itself is lost

And another kind of plastic pipe used for water supply and drainage of buildings is polypropylene pipe, which is the same as PVC pipe. Although it can meet the hygienic requirements, it cannot inhibit or kill the bacteria existing in the water quality. Therefore, after long-term use, a considerable number of microorganisms will adhere to and grow on the inner surface of the pipe. When the water flow in the pipe is slow, the microorganisms will reproduce and form a layer of bacterial film covering the pipe surface, which seriously affects the water quality.

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