a composite bushing
A bushing, carbon nanotube technology, applied in polyether coatings, connecting components, gaskets, etc., can solve the problems of complex preparation process, inconvenient replacement, low yield, etc., achieve excellent mechanical properties, reduce weight, and improve compliance. sexual effect
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Embodiment 1
[0036] The composite bushing of the present invention uses polycarbonate engineering plastics as the substrate of the composite bushing, adds 35% glass fiber reinforcements inside the polycarbonate engineering plastics, prepares carbon nanotube reinforcements on the substrate, and adds carbon nanotube reinforcements to the substrate. The outer surface of the body is painted with a flame retardant film.
[0037] Among them, the carbon nanotube reinforcement is composed of the following components by mass, 22% ethanol solvent, 8% potassium hydroxide pH regulator, 12% terminal polyacrylic acid coupling agent, 18% nano calcium oxide dispersant, 40% amino multi-walled carbon nanotubes.
[0038] Take the polycarbonate engineering plastic containing glass fiber reinforcement and dry it in an oven at 60°C for 2 hours; add the terminal polyacrylic acid coupling agent to the ethanol solution, adjust the pH to about 6 with potassium hydroxide, and stir to obtain Clarified coupling agent...
Embodiment 2
[0043] The composite bushing of the present invention uses polyphenylene sulfide engineering plastics as the substrate of the composite bushing, adds 40% glass fiber reinforcement inside the polyphenylene sulfide engineering plastics, and prepares carbon nanotube reinforcements on the substrate. The outer surface of the pipe reinforcement is painted with a flame retardant film.
[0044] Among them, the carbon nanotube reinforcement is composed of the following components in parts by mass, 23% acetone solvent, 7% sodium nitrate pH regulator, 15% terminal polyacrylic acid coupling agent, 13% nano-titanium dioxide dispersant, 42% mercaptopolymer walled carbon nanotubes.
[0045] Take the polyphenylene sulfide engineering plastic containing glass fiber reinforcement and dry it in an oven at 70°C for 1.5 hours; add the terminal polyacrylic acid coupling agent to the acetone solution, adjust the pH to about 6.5 with sodium nitrate, and stir. Obtain a clear coupling agent hydrolyzat...
Embodiment 3
[0050] The composite bushing of the present invention uses polyamide engineering plastics as the matrix of the composite bushing, adds 44% PE fiber reinforcements inside the polyamide engineering plastics, prepares carbon nanotube reinforcements on the matrix, and adds carbon nanotube reinforcements to the matrix. The outer surface is painted with flame retardant film.
[0051] Among them, the carbon nanotube reinforcement is composed of the following components by mass, 16% acetone solvent, 6% sodium hydroxide pH regulator, 14% aluminate coupling agent, 14% nano calcium oxide dispersant, 50% mercapto multi-walled carbon nanotubes.
[0052] Take the polyamide engineering plastic containing PE fiber reinforcement and dry it in an oven at 70°C for 1.5 hours; add the aluminate coupling agent to the acetone solution, adjust the pH to about 6.5 with sodium hydroxide, and stir to obtain Clarified coupling agent hydrolyzate; immerse the dried polyamide engineering plastic in the cou...
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