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A Novel Highly Porous Cellulosic Aerogel Regenerated by Solvent Exchange Mechanism

机译:通过溶剂交换机制再生的一种新型高度多孔纤维素气凝胶

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Cellulose acetate aerogel (CAA) regenerated with toluene solvent was first obtained and analysed in this work using several measurement techniques. CAA, a green and environmentally friendly material, with high thermal stability, water absorbency and a porous structure is a hopeful candidate as a superabsorbent and potential heat insulator for various applications. The obtained porous aerogel with a notable surface area (312.5m(2)/g) is thermally stable up to about 300 degrees C and super-absorbent (72.0g water/1.0g sample). Thereby, the present study can play an important role in developing production of cellulose acetate based green absorbent and potential aerogel materials for heat insulating. Moreover, this process is handily available at low cost, sustainable and favourable for many applications.
机译:首先获得用甲苯溶剂再生的醋酸纤维素(CAA),并使用几种测量技术在这项工作中进行分析。 CAA,绿色和环保材料,具有高热稳定性,吸水性和多孔结构是一种充满希望的候选者,作为各种应用的超吸收性和潜在的热绝缘体。具有值得注意的表面积(312.5m(2)/ g)的所得多孔气体是热稳定于约300℃和超吸收剂(72.0g水/ 1.0g样品)。因此,本研究可以在开发基于醋酸纤维素的绿色吸收性和潜在气凝胶材料中的热绝缘材料中发挥重要作用。此外,该过程以低成本,可持续和有利于许多应用而充分提供。

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