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首页> 外文期刊>Fibers and Polymers >Effect of Temperature and Activators on the Characteristics of Activated Carbon Fibers Prepared from Viscose-rayon Knitted Fabrics
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Effect of Temperature and Activators on the Characteristics of Activated Carbon Fibers Prepared from Viscose-rayon Knitted Fabrics

机译：温度和活化剂对粘胶粘胶针织物制备的活性炭纤维特性的影响

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摘要

This study used viscose rayon-based knitted fabric, pre-treated by a composite flame retardant, as the precursor. The fabric then underwent oxidation, carbonization and activation in a semi-open high-temperature erect furnace to produce Activated Carbon Fabrics (ACF). The microstructure and chemical properties of the ACF were obtained under carbonization temperatures of 600-1000 °C and by different activation sources. The results showed that the ACF produced was mainly of a microporous structure. When the carbonization temperature was increased, the production rate dropped while both the true density (D_(He)) and crystallization thickness increased. In addition, ACF prepared using steam, plus water as the activation source, has a larger specific surface area, greater crystallization thickness and a higher true density (D_(He)).
机译：本研究使用经复合阻燃剂预处理的粘胶人造丝基针织物作为前体。然后，该织物在半开放式高温直立炉中进行氧化，碳化和活化处理，以生产活性炭织物（ACF）。在600-1000°C的碳化温度下，通过不同的活化源获得了ACF的微观结构和化学性质。结果表明，产生的ACF主要是微孔结构。当碳化温度升高时，生产率下降，而真实密度（D_（He））和结晶厚度均增加。另外，使用蒸汽加水作为活化源制备的ACF具有较大的比表面积，较大的结晶厚度和较高的真实密度（D_（He））。

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