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首页> 外文期刊>Journal of Applied Polymer Science >Ultralight nanocomposite aerogels with interpenetrating network structure of bacterial cellulose for oil absorption
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Ultralight nanocomposite aerogels with interpenetrating network structure of bacterial cellulose for oil absorption

机译：具有互穿网络结构的超轻的纳米复合气凝胶用于吸油的细菌纤维素

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摘要

Towards the development of novel platforms for oil absorption and environmental remediation, bacterial cellulose aerogels (BCA), a lightweight and highly porous material, were modified with carbon nanotubes (CNT) and carboxylic carbon nanotubes (CCNT), respectively, at both 5 and 10 wt % loading. The resulting nanocomposite materials, termed BCA/CNT and BCA/CCNT, demonstrated improved oil absorption property when tested against liquid paraffin (glycerol), vacuum oil, plant oil, and propanetriol. After a single immersion lasting about 4-119 seconds, BCA/CNT 10% absorbed an average of 120.23 (standard deviation: 1.145) g center dot g(-1) of propanetriol. While BCA is known to be fragile, but no destruction was observed before and after oil absorption. The difference between CNT and CCNT is carboxylation, which could reduce hydrophilicity. The samples were characterized by scanning electron microscope (SEM), Fourier transform infrared spectrum (FTIR), Brunauer-Emmett-Teller (BET) analysis, contact angle test, and mechanical test. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48000.
机译：为了开发用于吸油和环境修复的新颖性，分别在5和10中分别用碳纳米管（CNT）和羧碳纳米管（CCNT）改性细菌纤维素气体（BCA），轻质和高度多孔材料wt％loading。得到的纳米复合材料，称为BCA / CNT和BCA / CCNT，在用液体石蜡（甘油），真空油，植物油和预丙酰胺测试时，表现出改善的油吸收性能。在单次浸渍后持续约4-119秒，BCA / CNT 10％的平均吸收了120.23（标准差：1.145）G中心点G（-1）的PROPANETRIOL。虽然已知BCA是脆弱的，但在吸油之前和之后没有观察到破坏。 CNT和CCNT之间的差异是羧化，其可以降低亲水性。通过扫描电子显微镜（SEM），傅里叶变换红外光谱（FTIR），Brunauer-Emmett-Teller（Bet）分析，接触角测试和机械测试，表征样品。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48000。

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