Antibacterial plastic for keyboard
A technology of antibacterial plastics and keyboards, applied in the field of plastic products, can solve problems such as poor durability, low antibacterial stability, and poor weather resistance
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Embodiment 1
[0057] An antibacterial plastic suitable for keyboards, mainly made of the following raw materials in parts by weight: 100 parts of ABS matrix resin, 15 parts of polycarbonate, 2 parts of ethylene acrylic acid copolymer, 1 part of polyvinyl alcohol, and 2 parts of EPDM rubber 4 parts, 4 parts of antibacterial masterbatch, 10 parts of filler, 5 parts of dispersant, 0.2 part of antioxidant, 0.3 part of coupling agent, 0.2 part of stabilizer and 40 parts of compatibilizer;
[0058] The antibacterial masterbatch is prepared by the following steps:
[0059] a. Weigh zeolite powder, nano-titanium dioxide silver, tetraacicular zinc oxide whiskers and organopolysiloxane in a weight ratio of 1:0.2:0.1:0.1 for later use;
[0060] b. Heat the zeolite powder to 350°C for 1 hour, add 2 times the weight of sterile deionized water to the zeolite powder after cooling down to room temperature, stir evenly, and adjust the pH value of the solution with acetic acid 4. Stir in a water bath at 30°...
Embodiment 2
[0066] An antibacterial plastic suitable for keyboards, mainly made of the following raw materials in parts by weight: 120 parts of ABS matrix resin, 25 parts of polycarbonate, 10 parts of ethylene acrylic acid copolymer, 5 parts of polyvinyl alcohol, and 10 parts of EPDM rubber 8 parts, 8 parts of antibacterial masterbatch, 15 parts of filler, 12 parts of dispersant, 0.6 part of antioxidant, 0.7 part of coupling agent, 0.6 part of stabilizer and 65 parts of compatibilizer;
[0067] The antibacterial masterbatch is prepared by the following steps:
[0068] a. Weigh the zeolite powder, nano-titanium dioxide silver, tetraacicular zinc oxide whiskers and organopolysiloxane according to the weight ratio of 1:0.8:0.6:0.4 for later use;
[0069] b. Heat the zeolite powder to 450°C for 2 hours, add 3 times the weight of sterile deionized water to the zeolite powder after cooling down to room temperature, stir evenly, and adjust the pH of the solution with acetic acid 6. Stir in a wa...
Embodiment 3
[0075] An antibacterial plastic suitable for keyboards, mainly made of the following raw materials in parts by weight: 105 parts of ABS matrix resin, 17 parts of polycarbonate, 4 parts of ethylene acrylic acid copolymer, 2 parts of polyvinyl alcohol, and 3 parts of EPDM rubber 5 parts, 5 parts of antibacterial masterbatch, 11 parts of filler, 6 parts of dispersant, 0.3 part of antioxidant, 0.4 part of coupling agent, 0.3 part of stabilizer and 45 parts of compatibilizer;
[0076] The antibacterial masterbatch is prepared by the following steps:
[0077] a. Weigh zeolite powder, nano-titanium dioxide silver, tetraacicular zinc oxide whiskers and organopolysiloxane in a weight ratio of 1:0.3:0.2:0.2 for later use;
[0078]b. Heat the zeolite powder to 350°C for 1 hour, add 2.2 times the weight of sterile deionized water to the zeolite powder after cooling down to room temperature, stir evenly, and adjust the pH value of the solution with acetic acid 4.5. Stir in a water bath at...
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