超疏水SiO2/纤维素复合气凝胶的制备及吸油性能研究

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作者简介：蒋松涛，工程师；主要从事绿色化学建材等方面的研究。

关键词：气凝胶；纤维素；冷冻干燥；超疏水；吸油 中图分类号：TS721+.1 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.07.004

Abstract：Usingtheisolutioegenerationmetod，elloehdrogelwasprepard.Underalkalieasaatalst，edrolyse sationratoftetraeortosilcate（EO）waontrolldoregulatetesefteprepaedSiparticles，floedyhooief cellulose and SiO 2 ，which was thenfreeze-driedtoobtainaSiO/celllosecompositeaerogel.Afterhydrophobic modification withalkylsiloxane，a superhydrophobic oleophilic SiO/cellulose composite aerogel was prepared.The results indicated successful SiO incorporation into the cellulose aerogel，and the prepared SiO/celulose composite aerogel had a porous structure.At apH value of 10 ！ SiO2 sphere had a size range of 5O～2O0 nm，and SiO2/cellulose composite aerogel had a static contact angle of 158.9∘ and a roll-off angle of 3.2∘ ，of which oil absorption capacity was 12.8 times its own weight.

Keywords：aerogel;cellulose；freeze-dried；superhydrophobic；oil absorption

近年来，石油泄漏问题频发，不仅造成环境污染，还危及海洋中生物的生命安全。（剩余8169字）