Bactericidal plastic masterbatch and its preparation method and application
A technology for plastic masterbatches and plastic products, applied in the field of new plastic materials, can solve the problems of complex technology of copper-silver nano-functional materials and unfavorable large-scale production.
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Embodiment 1
[0051] A preparation method for sterilizing plastic masterbatch, comprising the following steps:
[0052] S01. Metal silver, copper, and zinc wires are braided and rolled into metal wire rods, and the composite metal wire rod is used as the anode conductor of the DC power supply. The arc formed with the cathode causes the tip of the composite metal wire rod as the anode conductor to vaporize and evaporate, resulting in Smoke-like metal atom clusters, silver metal atoms, copper, zinc, and oxygen atoms are fully mixed to form a gaseous alloy; the gaseous alloy is cooled by air flow, and the cooled powder is collected to obtain a nanocomposite material. In total, silver 70%, copper oxide 15%, zinc oxide 15%;
[0053] S02, pulverizing the high-density polypropylene into a powder of 200 mesh to 500 mesh;
[0054] S03. Disperse the nanocomposite material obtained in step S01 in water, and repeatedly impact and disperse the nanocomposite material at an ultrasonic frequency of 40K to...
Embodiment 2
[0058] A preparation method for sterilizing plastic masterbatch, comprising the following steps:
[0059] S01. Metal silver, copper, and zinc wires are braided and rolled into metal wire rods, and the composite metal wire rod is used as the anode conductor of the DC power supply. The arc formed with the cathode causes the tip of the composite metal wire rod as the anode conductor to vaporize and evaporate, resulting in Smoke-like metal atom clusters, silver metal atoms, copper, zinc, and oxygen atoms are fully mixed to form a gaseous alloy; the gaseous alloy is cooled by air flow, and the cooled powder is collected to obtain a nanocomposite material. In total, silver 70%, copper oxide 15%, zinc oxide 15%;
[0060] S02. Grinding and refining the high-density polypropylene and high-density polyethylene to 200-500-mesh powder; the weight ratio of high-density polypropylene and high-density polyethylene is 1:1.
[0061] S03. Disperse the nanocomposite material obtained in step S0...
Embodiment 3
[0065] A preparation method for sterilizing plastic masterbatch, comprising the following steps:
[0066] S01. Metal silver, copper, and zinc wires are braided and rolled into metal wire rods, and the composite metal wire rod is used as the anode conductor of the DC power supply. The arc formed with the cathode causes the tip of the composite metal wire rod as the anode conductor to vaporize and evaporate, resulting in Smoke-like metal atom groups, silver metal atoms, copper, zinc, and oxygen atoms are fully mixed to form a gaseous alloy; the gaseous alloy is cooled by air flow to collect the cooled powder to obtain a nanocomposite material, wherein, in weight percentage , silver 75%, copper oxide 10%, zinc oxide 15%;
[0067] S02, pulverizing the high-density polyethylene into a powder of 200 mesh to 500 mesh;
[0068] S03. Disperse the nanocomposite material obtained in step S01 in water, add colored titanium dioxide, and repeatedly impact and disperse the nanocomposite mat...
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Abstract
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