Microfibrillated cellulose

Details Microfibrillated cellulose Microfibrillated cellulose

C - Chemistry, Metallurgy

08

B

260/213, 92/34

C08B 16/00 (2006.01) D01D 5/11 (2006.01) D21H 11/18 (2006.01)

Patent

CA 1141758

Abstract of the Disclosure: Microfibrillated celluloses having properties dis- tinguishable from all previously known celluloses, are produced by passing a liquid suspension of cellulose through a small diameter orifice in which the suspension is subjected to a pressure drop of at least 3000 psig and a high velocity shearing action followed by a high velocity decelerating impact, and repeating the passage of said suspension through the orifice until the cellulose suspension becomes a substantially stable suspension. The process converts the cellulose into micro- fibrillated cellulose without substantial chemical change of the cellulose starting material.

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