Evaluation des paramètres physiques et physico-chimiques qui influencent l'accessibilité de la cellulose

  • Spinu, Monica
Publication date
December 2010
Publisher
HAL CCSD

Abstract

Cellulose, a bio-polymer belonging to polysaccharides family, has been for years the research topic of many studies having the purpose to better control its modification and processing. Since it is not melting below its degradation temperature, cellulose needs to go through a step of dissolution in order to be processed. However, the processes used today are not fully optimized resulting in a loss of material or final product quality. This limitation is partly due to its complex structure which makes cellulose chains difficult to be accessed to reactants. The scientific scope of our work was to analyse and try to understand some of the parameters that can have an influence on cellulose accessibility: wet state, application of an elongationa...

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