Method for producing microfibrillated cellulose

The present invention relates to a method for producing microfibrillated cellulose. The inventive method comprises passing a suspension comprising cellulose and solvent through an orifice such that said suspension is subjected to a pressure drop, wherein the diameter of the orifice is from 100 to 70...

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Bibliographische Detailangaben
Hauptverfasser:	WICHMANN, JENS-UWE, HAUGEN, OEIVIND
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF IMPREGNATING OR COATING OF PAPER METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLYSACCHARIDES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PULP COMPOSITIONS REGENERATION OF PULPING LIQUORS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE
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Beschreibung
Zusammenfassung:	The present invention relates to a method for producing microfibrillated cellulose. The inventive method comprises passing a suspension comprising cellulose and solvent through an orifice such that said suspension is subjected to a pressure drop, wherein the diameter of the orifice is from 100 to 700 µm and said pressure drop has a maximum value of 100 MPa.