Atmosphere controllable static spinning device and industrial application thereof
An electrospinning and atmosphere technology, applied in the direction of climate sustainability, sustainable manufacturing/processing, rayon recycling, etc., can solve the problems of large solvent consumption, interference with laying, difficult industrialized large-scale production, etc., to increase raw materials and Types of solvents, stable environmental factors, and the effect of reducing unit cost
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Embodiment 1
[0058] use as Figure 1 to Figure 5 The apparatus shown performs spinning. in:
[0059] The height of said electrospinning air chamber (8) is 1m;
[0060] The number of nozzles 6 is 10,000, the diameter of the nozzles is 1 μm, and the arrangement of the nozzles is circular.
[0061] The diameter of the diversion hole 808 is 50 mm, the opening ratio of the guide plate 809 is 40%, the diameter of the collecting hole 810 is 50 mm, and the opening ratio of the collecting plate 811 is 40%.
[0062] Compressed air is used at a temperature of 60° C., a relative humidity of 30%, and a pressure of 0.5 MPa. The linear velocity of the air in the electrospinning chamber 8 is 0.3 m / s, and the voltage is 15 KV.
[0063] Spinning material: a polyhydroxybutyric acid-hydroxyvaleric acid copolyester / chloroform solution with a mass percentage concentration of 1.5%wt; the supply flow rate is 1ml / h;
[0064] The spinning result is as follows, the average fiber diameter is 100nm, and the solven...
Embodiment 2
[0066] use as Figure 1 to Figure 5 The apparatus shown performs spinning. in:
[0067] The height of said electrospinning air chamber (8) is 0.7m;
[0068] There are 100 nozzles 6, the diameter of nozzles is 10mm, and the arrangement of nozzles is rhombus;
[0069] The diameter of the diversion hole 808 is 100mm, the opening ratio of the guide plate 809 is 70%, the diameter of the collecting hole 810 is 100mm, and the opening ratio of the collecting plate 811 is 70%.
[0070] Nitrogen is used, the temperature is 60° C., the relative humidity is 0%, the pressure is 0.8 MPa, the linear velocity of the air in the electrospinning chamber 8 is 0.2 m / s, and the voltage is 25 KV.
[0071] Spinning material: polym-phenylene isophthalamide / N, N-dimethylformamide solution with a mass percentage concentration of 10%wt, containing 2%wtCaCl 2 As an additive; the supply flow rate is 1.2ml / h;
[0072] The spinning conditions are air chamber height, atmosphere temperature 70°C, relative...
Embodiment 3
[0075] use as figure 1 The apparatus shown performs spinning. in:
[0076] The height of said electrospinning air chamber 8 is 0.8m;
[0077] There is one nozzle 6, the diameter of the nozzle is 100mm, and the arrangement of the nozzle is circular;
[0078] The diameter of the diversion hole 808 is 10 mm, the opening ratio of the guide plate 809 is 40%, the diameter of the collecting hole 810 is 50 mm, and the opening ratio of the collecting plate 811 is 40%.
[0079] Compressed air is used at a temperature of 60° C., a relative humidity of 30%, and a pressure of 0.8 MPa. The linear velocity of the air in the electrospinning chamber 8 is 2 m / s, and the voltage is 25 KV.
[0080] Spinning material: mass percentage concentration is 8%wt silk protein / water solution, contains 40%wtZnCl 2 As an additive; the supply flow rate is 1.5ml / h;
[0081] The fibers are collected by a reciprocating drum collection device, and the spinning results are as follows: the average fiber diamet...
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