dispersion containing cellulose particles dispersed in a continuous liquid phase, use of the dispersion, method for exchanging the continuous liquid phase of a cellulose particle dispersion for a different continuous liquid phase and method for producing a dry cellulose nanoparticle powder

摘要

The present invention provides a dispersion containing cellulose particles dispersed in a continuous liquid phase comprising a first and a second continuous liquid phase, wherein the first continuous liquid phase consists of a liquid swelling agent or an aqueous solution of said liquid swelling agent. and the second continuous liquid phase preferably comprises one or more organic solvents, provided that one or more organic solvents of the second continuous liquid phase are not capable of dissolving cellulose, having a boiling point greater than the boiling of the first continuous liquid phase and miscible with the constituents of the swelling composition.