The behaviour of cellulose in hydrated melts of the composition LiXċn H2O (X=I-, NO3-, CH3COO-, ClO4-)

Authors: Fischer, S.1; Voigt, W.1; Fischer, K.2

Source: Cellulose, Volume 6, Number 3, September 1999 , pp. 213-219(7)

Publisher: Springer

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Abstract:

The dissolution behaviour of cellulose in low temperature molten salts was investigated. Depending on the chosen anions in the melt, cellulose shows different reaction behaviour in different Li^+-containing melts. Dissolution of the polymer was observed in molten LiClO_4ċ3H_2O and molten LiIċ2H_2O. In the hydrated melts of LiCH_3COOċ2H_2O and LiNO_3ċ3H_2O a fine distribution of cellulose was stated. Cellulose can be regenerated by cooling the melt and removing the salt by dissolution in water.

The structure of the recrystallized product is determined by the used low temperature molten salt.

Keywords: X-ray scattering; cellulose solvents; low temperature molten salts; molecular weight distribution

Document Type: Regular Paper

Affiliations: 1: TU Bergakademie Freiberg, Institut für Anorganische Chemie Leipziger Str. 29, 09596 Freiberg, BRD 2: TU Dresden, Institut für Pflanzen- und Holzchemie Pienner Str.23, 01737 Tharandt, BRD

Publication date: September 1, 1999

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