Poly L lactic acid/zirconium dioxide organic and inorganic hybridization fiber and preparation method thereof
A hybrid fiber, zirconium dioxide technology, applied in the direction of single-component polyester rayon, can solve the problem of no discovery, and achieve the effects of improving thermal stability, broad application prospects, and simple and clean production process
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[0021] 1. Preparation of zirconia sol
[0022] 6.44g zirconium oxychloride, 60.1g isopropanol, 2.4g acetylacetone, nitrogen protection, temperature 80°C, stirring reaction for 6h. Then slowly add hydrogen peroxide dropwise until the reaction solution is a light yellow transparent liquid (about 6-7g of hydrogen peroxide with a concentration of 25%). Finally, it was statically aged for 15 days at a temperature of 30°C to obtain a zirconia sol.
[0023] 2. Electrospinning
Embodiment 1
[0025] Dissolve 5g of poly-L-lactic acid in 20g of chloroform, stir with magnetic force, then add 0.5g of zirconia sol, stir and mix thoroughly, electrospinning, voltage 20kV, pole distance 10cm, room temperature.
Embodiment 2
[0027] Dissolve 5g of poly-L-lactic acid in 20g of chloroform, stir with magnetic force, then add 0.5g of zirconia sol, stir and mix thoroughly, electrospinning, voltage 18kV, pole distance 10cm, room temperature.
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