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Communication Dans Un Congrès Année : 2008

Dissolution-swelling transition in cellulose fibers: The influence of water

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Patrick Navard
Monica Spinu
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Résumé

All natural and regenerated cellulose objects are difficult to dissolve while at the same time being hydrophilic. There is thus a balance between swelling and dissolution, especially when the dissolution power of a given water-based chemical can be varied. The purpose of this lecture is to investigate the transition zone where a swelling agent starts to be a solvent. The influence of the water content of various cellulose fibres on their swelling and dissolution properties will be presented. Two solvents will be used, N-methylmorpholine N-oxide and NaOH, both with controled amounts of water.

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Dates et versions

hal-00509581 , version 1 (13-08-2010)

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  • HAL Id : hal-00509581 , version 1

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Patrick Navard, Nicolas Le Moigne, Monica Spinu. Dissolution-swelling transition in cellulose fibers: The influence of water. 235th American-Chemical-Society National Meeting, Apr 2008, New Orleans, LA, United States. pp.CELL 140. ⟨hal-00509581⟩
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