期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 35, 期 16, 页码 1419-1422出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201400211
关键词
acetone; cellulose solvent; dissolution; quaternary ammonium salt
资金
- BMBF [03WKP16A]
- ShinEtsu Tylose GmbH Co.
Acetone containing tetraalkylammonium chloride is found to be an efficient solvent for cellulose. The addition of an amount of 10 mol% (based on acetone) of well-soluble salt triethyloctylammonium chloride (Et(3)OctN Cl) adjusts the solvent's properties (increases the polarity) to promote cellulose dissolution. Cellulose solutions in acetone/Et(3)OctN Cl have the lowest viscosity reported for comparable aprotic solutions making it a promising system for shaping processes and homogeneous chemical modification of the biopolymer. Recovery of the polymer and recycling of the solvent components can be easily achieved.
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