Carbon fiber silk waste reinforced polycarbonate composite material and preparation method of the carbon fiber silk waste reinforced polycarbonate composite material
A technology of composite materials and polycarbonate, which is applied in the field of polymer materials, can solve the problems of expensive carbon fiber, achieve the effect of solving the difficulty of recycling, broad promotion and application prospects, and simple processing methods
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Embodiment 1
[0027] First, soak carbon fiber waste silk in concentrated nitric acid for 1 hour, then wash it with clean water, and fully dry it in an oven at 80°C for 2 to 3 hours; then soak it in ethylene glycol diol with a concentration of 30wt.%. In the glycidyl ether / acetone solution, stir for 3 hours; then place it in a vacuum oven at 70°C for 2-3 hours to fully dry the acetone, and make ethylene glycol diglycidyl ether adhere to the carbon fiber waste to form a very thin layer. Thin coating layer. Then, weigh polycarbonate, surface-treated carbon fiber waste, compatibilizer and other various processing aids according to the following mass percentages:
[0028]
[0029] Put polycarbonate, polyglycidyl methacrylate, ultraviolet absorber UV-531, light stabilizer 622, anti-oxidant 1076 and anti-oxidant 1010 in a high-speed mixer and mix evenly, and then mix the pellets from the The hopper at the rear end of the twin-screw extruder barrel is added. At the same time, the carbon fiber ...
Embodiment 2
[0031] First, soak carbon fiber waste silk in concentrated nitric acid for 1 hour, then wash it with clean water, and fully dry it in an oven at 80°C for 2 to 3 hours; then soak it in 30wt.% bisphenol A ring Oxygen resin / acetone solution, stirred for 3 hours; then placed in a vacuum oven at 70°C for 2 to 3 hours to fully volatilize the acetone, so that the bisphenol A epoxy resin is attached to the carbon fiber waste to form a thin layer coating layer. Then, weigh polycarbonate, surface-treated carbon fiber waste, compatibilizer and other various processing aids according to the following mass percentages:
[0032]
[0033] Put polycarbonate, low-density polyethylene grafted maleic anhydride copolymer, ultraviolet absorber UV-531, light stabilizer 944, anti-oxidant 1098 and anti-oxidant 1010 in a high-speed mixer and mix evenly, and then put the mixed Pellets were fed from a hopper located at the rear end of the twin-screw extruder barrel. At the same time, the carbon fib...
Embodiment 3
[0035] First, soak carbon fiber waste silk in concentrated nitric acid for 1 hour, then wash it with clean water, and fully dry it in an oven at 80°C for 2 to 3 hours; then soak it in propylene glycol diglycidol with a concentration of 30wt.%. In the ether / acetone solution, stir for 3 hours; then place it in a vacuum oven at 70°C for 2 to 3 hours to fully dry the acetone, and make the propylene glycol diglycidyl ether adhere to the carbon fiber waste to form a thin layer of coating layer. Then, weigh polycarbonate, surface-treated carbon fiber waste, compatibilizer and other various processing aids according to the following mass percentages:
[0036]
[0037] Put polycarbonate, polyglycidyl methacrylate, ultraviolet absorber UV-234, light stabilizer 944, anti-oxidant 1076 and anti-oxidant 1010 in a high-speed mixer and mix evenly, and then mix the pellets from the The hopper at the rear end of the twin-screw extruder barrel is added. At the same time, the carbon fiber wa...
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