Preparation method of weather-resistant antibacterial polycarbonate engineering plastic
A technology of polycarbonate and engineering plastics, which is applied in the field of preparation of weather-resistant and antibacterial polycarbonate engineering plastics, can solve the problems of general weather resistance and antibacterial effects, poor environmental stress cracking resistance, and materials that cannot be widely used. Achieve good economic benefits, weather resistance and antibacterial performance promotion, and high practicability
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Embodiment 1
[0028] Add 35 parts of polycarbonate, 20 parts of polystyrene, 15 parts of polyoxyethylene ether, and 8 parts of pentaerythritol into the high mixer, and stir at 45r / min for 2 hours to make it completely mixed; then add zirconium hydrogen phosphate into the high mixer 6 parts, 2 parts of barium stearate, 4 parts of calcium stearate, stirred at 45 / min for 30 minutes to make it completely mixed; then add 7 parts of chitosan, 2 parts of nano-scale titanium dioxide, and nano-scale oxidation 4 parts of silver, 3 parts of polyhexamethylene biguanide, stirred at 45min / min for 40min to make it completely mixed; finally, add 1 part of heat-resistant agent, 1 part of anti-ultraviolet agent, and 1 part of accelerator to the high mixer, and couple 2 parts of anti-oxidant, 3 parts of antioxidant, stirred at 45min / min for 20min to make it completely mixed, took out the blended product, and hot-pressed it under the conditions of 100Mpa and 300°C to obtain a finished product.
Embodiment 2
[0030] Add 38 parts of polycarbonate, 23 parts of polystyrene, 18 parts of polyoxyethylene ether, and 10 parts of pentaerythritol into the high mixer, and stir at 45r / min for 2 hours to make it completely mixed; then add zirconium hydrogen phosphate into the high mixer 6 parts, 3 parts of barium stearate, 5 parts of calcium stearate, stirred at 45 / min for 30 minutes to make it completely mixed; then add 7 parts of chitosan, 2 parts of nano-sized titanium dioxide, and 2 parts of nano-sized titanium dioxide to the high mixer. 5 parts of silver, 4 parts of polyhexamethylene biguanide, stirred at 45min / min for 40min to make it completely mixed; finally, add 1 part of heat-resistant agent, 3 parts of anti-ultraviolet agent, and 1 part of accelerator to the high mixer, and couple 2 parts of anti-oxidant, 3 parts of antioxidant, stirred at 45min / min for 20min to make it completely mixed, took out the blended product, and hot-pressed it under the conditions of 100Mpa and 300°C to obtai...
Embodiment 3
[0032] Add 41 parts of polycarbonate, 26 parts of polystyrene, 21 parts of polyoxyethylene ether, and 12 parts of pentaerythritol into the high mixer, and stir at 45r / min for 2 hours to make it completely mixed; then add zirconium hydrogen phosphate into the high mixer 7 parts, 5 parts of barium stearate, 7 parts of calcium stearate, stirred at 45 / min for 30 minutes to make it completely mixed; then add 8 parts of chitosan, 3 parts of nano-sized titanium dioxide, and 3 parts of nano-sized titanium dioxide to the high mixer. 6 parts of silver, 6 parts of polyhexamethylene biguanide, stirred at 45min / min for 40min to make it completely mixed; finally, add 2 parts of heat-resistant agent, 4 parts of anti-ultraviolet agent, and 3 parts of accelerator to the high mixer, and couple 4 parts of anti-oxidant, 5 parts of antioxidant, stirred at 45min / min for 20min to make it completely mixed, took out the blended product, and hot-pressed it under the conditions of 100Mpa and 300°C to obt...
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