| 摘要 |
In a method for producing nanofibril cellulose, cellulose based fibre material, in which internal bonds in the cellulose fibre have been weakened by chemical modification, are supplied, for separating fibrils, through several counter-rotating rotors (R1, R2, R3...) outwards in the radial direction with respect to the rotation axis (RA) of the rotors in such a way that the material is repeatedly subjected to shearing and impacting forces by the effect of the blades (1) of the different counter-rotating rotors, whereby it is simultaneously fibril- lated. |
