Multi-nozzle high-voltage electrostatic spinning apparatus added with electric field shielding device
A high-voltage electrospinning and electric field shielding technology, which is applied in the fields of magnetic field/electric field shielding, complete sets of equipment for the production of artificial wires, electrical components, etc., can solve the problems of incomplete superposition or mixing, weakened mechanical properties, and mutual incompatibility, etc., to achieve Good application promotion value, prevent mutual interference, low cost effect
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[0031] Example 1:
[0032] Polyacrylonitrile microfiber and nanofiber co-superposed film
[0033] Dissolve 2g polyacrylonitrile (Mw=100,000) in 18g N,N-dimethylformamide to form a 10% mass concentration solution, keep stirring for 24h for later use;
[0034] Dissolve 4g polyacrylonitrile (Mw=100,000) in 16g N,N-dimethylformamide to form a 20% mass concentration solution, keep stirring for 24h for later use;
[0035] Put the above solution into two medical syringes, each with a needle as an electrospinning nozzle, the nozzles are respectively connected to the anode of the high-voltage power supply, the roller (conducting cylinder with aluminum foil) is the receiver, and the ground is the voltage zero point. Install a bakelite insulation board with a hollow in the middle and a thickness of 1cm on the central shaft of the roller, and place the nozzles on both sides of the insulation bakelite respectively. Keep the bakelite insulation board and the nozzle in a fixed state, and adjust the ...
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[0036] Example 2:
[0037] As shown in Example 1, the insulating board was replaced with a plexiglass board, and the test results were similar;
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[0038] Example 3:
[0039] As shown in Example 1, the insulating board was replaced with a tetrafluoroplastic board, and the test results were similar;
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