D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 9/12 (2006.01) B01J 13/00 (2006.01) D01D 5/06 (2006.01) D01F 1/10 (2006.01)
Patent
CA 2397564
The invention concerns a method for obtaining fibres and strips from colloidal particles, characterised in that it consists in: 1) dispersing said particles in a solvent optionally using a surfactant; 2) injecting the resulting dispersion solution through at least an orifice emerging into a flow of an external solution, preferably, having a higher viscosity than said dispersion, the viscosity levels being measured in the same temperature and pressure conditions, so as to cause said particles to agglomerate into fibres or strips by destabilising the particle dispersions and optionally aligning said particles.
Procédé d'obtention de fibres et de rubans à partir de particules colloïdales, caractérisé en ce que: 1) on disperse lesdites particules dans un solvant à l'aide éventuellement d'un agent tensioactif; 2) on injecte la solution de dispersion obtenue à travers au moins un orifice débouchant dans un écoulement d'une solution externe, de préférence, de viscosité supérieure à celle de ladite dispersion, les viscosités étant mesurées dans les mêmes conditions de température et de pression, de manière à provoquer une agrégation desdites particules en fibres ou rubans en déstabilisant les dispersions de particules et un éventuel alignement desdites particules.
Coulon Claude
Penicaud Alain
Poulin Philippe
Vigolo Brigitte
Centre National de La Recherche Scientifique (c.n.r.s.)
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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