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采用正交试验法对导电ATO@TiO_2纳米晶须的合成工艺进行了优化。通过改变包覆比(Sn/Ti)、掺杂比(Sb/Sn)、反应pH值3大影响因素,结合反应产物的测试表征,得到了试验范围内最优的合成条件为,包覆比(Sn/Ti为25%(at,原子质量分数,下同),掺杂比Sb/Sn为7.5%,pH=2,导电ATO@TiO_2纳米晶须的平均表面电阻率值达到13.25kΩ·cm。将最佳合成条件下的导电ATO@TiO_2纳米晶须掺杂在3β-羟基丁酸酯(3HB)和4β-羟基丁酸酯(4HB)的共聚物(P3HB4HB)的氯仿溶液中进行干湿法纺丝,获得了白色弹性导电P3HB4HB纤维。
The synthesis of conductive ATO @ TiO_2 nanowhiskers was optimized by orthogonal test. By changing the factors of Sn / Ti ratio, doping ratio (Sb / Sn) and reaction pH value 3, the optimal reaction conditions were found in the experimental range, (Sn / Ti is 25% (atomic mass fraction, the same below), the doping ratio of Sb / Sn is 7.5%, pH = 2, the average surface resistivity of conductive ATO @ TiO_2 nanowhiskers reaches 13.25kΩ · cm Conductive ATO @ TiO_2 nanowhiskers were dipped in a chloroform solution of 3β-hydroxybutyrate (3HB) and 4β-hydroxybutyrate (4HB) copolymer (P3HB4HB) France spinning, obtained white flexible conductive P3HB4HB fiber.