Dissolution and recovery of cellulose from 1-butyl-3-methylimidazolium chloride in presence of water

Dissolution and recovery of cellulose from 1-butyl-3-methylimidazolium chloride in presence of water

► Temperature affects cellulose structure after dissolution in [bmIm][Cl]. ► At 90°C, [bmIm][Cl] and its mixtures with water are non-derivatizing solvents. ► At 120°C, [bmIm][Cl] and its mixtures with water are derivatizing solvents. ► Regenerated cellulose has cellulose II structure at T=120°C and...

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Veröffentlicht in:Carbohydrate polymers 2013-01, Vol.92 (1), p.651-658
Hauptverfasser: Iguchi, Masayuki, Aida, Taku Michael, Watanabe, Masaru, Smith, Richard L.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Cellulose
Cellulose - chemistry
Cellulose and derivatives
Cellulose II
Degree of polymerization
Exact sciences and technology
Imidazoles - chemistry
Ionic liquid
Ionic Liquids - chemistry
Natural polymers
Physicochemistry of polymers
Polymerization
solvents
Solvents - chemistry
Temperature
Viscosity
Water
Water - chemistry
water content
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Zusammenfassung:► Temperature affects cellulose structure after dissolution in [bmIm][Cl]. ► At 90°C, [bmIm][Cl] and its mixtures with water are non-derivatizing solvents. ► At 120°C, [bmIm][Cl] and its mixtures with water are derivatizing solvents. ► Regenerated cellulose has cellulose II structure at T=120°C and t=10h. ► Regenerated cellulose has high amorphous content at T
ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2012.09.021