Method for the depolymerization of cellulose

Details Method for the depolymerization of cellulose Method for the depolymerization of cellulose

C - Chemistry, Metallurgy

08

B

C08B 1/00 (2006.01) C08B 15/02 (2006.01) C08J 3/09 (2006.01)

Patent

CA 2718524

A process for the depolymerization of cellulose, in which a solution of cellulose in an ionic liquid is brought into contact with a solid acid as catalyst, is claimed. The cellulose can be depolymerized within a short reaction time to form a low molecular weight or oligomeric reaction mixture having a narrow molecular weight distribution (low polydispersity, d, defined as ratio of P w to P n).

L'invention concerne un procédé de dépolymérisation de la cellulose, procédé selon lequel une solution de cellulose est mise en contact avec un acide solide en tant que catalyseur dans un liquide ionique. La cellulose peut être dépolymérisée en un court laps de temps, un mélange réactionnel oligomère ou de bas poids moléculaire, ayant une répartition étroite du poids moléculaire (polydispersivité, d, inférieure, définie comme le rapport de Pw sur Pn), étant obtenu.

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