Nano antibacterial polypropylene pipe and preparation method of same
An antibacterial polypropylene, polypropylene technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problem of harmful substances such as bacteria that cannot kill water, and achieve easy hot-melt connection, strong corrosion resistance, and huge social The effect of benefits and economic benefits
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[0018] A nano antibacterial polypropylene pipe, mainly composed of polypropylene, inorganic antibacterial agents and processing aids. The weight percentages of each component of the pipe are:
[0019] Polypropylene resin: 93%~99%;
[0020] Inorganic nano antibacterial agent: 0.2~3%;
[0021] Antioxidant and anti-ultraviolet absorber: 0.8-4%.
[0022] The specific preparation process is as follows:
[0023] (1) Preparation of masterbatch:
[0024] First, add 1.0% coupling agent NDZ-1 and 0.5% low molecular weight polyethylene wax to the inorganic nano antibacterial agent according to the percentage of the total weight of the inorganic nano antibacterial agent; then at a frequency of 20~20 at 15~25℃ Stir 60 times per minute for 1.5-2 minutes for immersion treatment; dry the mixed powder after immersion treatment at 90-120℃ for 90-100 minutes;
[0025] Then according to the total weight percentage of the inorganic nano antibacterial powder, mix 19% of the antibacterial active powder with 1%...
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