The CO2/CO32−chemistry of the NaOH(aq) model system applicable to cellulose solutions

被引：0
|
作者：
Maria Gunnarsson
Diana Bernin
Merima Hasani
机构：
[1] Chalmers University of Technology,Department of Chemistry and Chemical Engineering
[2] Chalmers University of Technology,Wallenberg Wood Science Center
来源：
Cellulose | 2020年 / 27卷
关键词：
Methyl β-D-glucopyranoside; CO; CO; Cellulose dissolution; NaOH(aq); NMR; pH;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Molecular interactions governing the recently reported CO2/CO32− chemistry of cellulose/NaOH(aq) solutions are investigated using a cellulose analogue methyl-β-D-glucopyranoside in NaOH(aq) solutions under conditions feasible with cellulose dissolution. 1H, 13C and steady-state heteronuclear Overhauser effect NMR spectroscopy complemented by pH measurements reveal carbohydrate–CO32− interactions as an important component of this chemistry. However, depending on in which order carbohydrate and CO32− are brought together in NaOH(aq) this interaction is different with different implications on stability of the CO32− in the solution.
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页码：621 / 628
页数：7
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