A method to separate fibres from each other in water and a...

Details A method to separate fibres from each other in water and a... A method to separate fibres from each other in water and a...

D - Textiles, Paper

21

H

D21H 11/14 (2006.01) C08L 3/02 (2006.01) D21B 1/34 (2006.01) D21F 1/00 (2006.01) D21H 17/20 (2006.01) D21H 17/28 (2006.01) D21H 23/16 (2006.01)

Patent

CA 2153982

The invention describes a method for dispersion of cellulose based fibers in water. The raw material, which particularly may be recycled paper, is first wetted with water. By a combination of addition of hydrocolloid which binds water, and strong kneading at high solid content, the mixture is transformed into a modulable paste. The high viscosity of the paste effectively conveys the shear forces of the kneading machine to make the fibers flexible and tear them apart. When the kneading is terminated, the hydrocolloid prevents the fibers from reassociation into fiber bundles.

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