评估超碱基离子液体在纤维素纤维纺丝中的水热稳定性

IF 3.7 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

ACS Omega Pub Date : 2024-10-04 DOI:10.1021/acsomega.4c0408110.1021/acsomega.4c04081

Wenwen Fang*, Inge schlapp-hackl, Michael Hummel and Herbert Sixta*,

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引用次数: 0

摘要

与 [mTBDH][OAc] 相比，本研究强调了 [mTBDH][MeOCH2COO] 中 7-甲基-1,5,7-三氮杂双环[4.4.0] dec-5-enium [mTBDH]+ 的水热稳定性大幅提高，而且 [mTBDH][MeOCH2COO] 还具有很强的纤维素溶解能力和出色的可纺性（最大牵伸比为 14）。这些研究结果表明，使用[mTBDH][MeOCH2COO]作为溶剂可降低[mTBDH]+的水解率，从而最大限度地减少溶剂回收过程中的损失，因此极有可能推动 Ioncell 纤维纺丝技术的发展。

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Evaluating the Hydrothermal Stability of Superbase–Based Ionic Liquids in Cellulose Fiber Spinning

This study highlights the substantially improved hydrothermal stability of 7-methyl-1,5,7-triazabicyclo[4.4.0] dec-5-enium [mTBDH]⁺ in [mTBDH][MeOCH₂COO] compared to [mTBDH][OAc], as well as the strong cellulose dissolution capability of [mTBDH][MeOCH₂COO] and excellent spinnability with a maximum draw ratio of 14. These findings demonstrate the high potential of using [mTBDH][MeOCH₂COO] as the solvent to advance Ioncell fiber spinning technology by reducing the hydrolysis rate of [mTBDH]⁺, thereby minimizing loss during solvent recycling processes.

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来源期刊

ACS Omega Chemical Engineering-General Chemical Engineering

CiteScore

6.60

自引率

4.90%

发文量

3945

审稿时长

2.4 months

期刊介绍： ACS Omega is an open-access global publication for scientific articles that describe new findings in chemistry and interfacing areas of science, without any perceived evaluation of immediate impact.