D - Textiles – Paper – 04 – H
Patent
D - Textiles, Paper
04
H
D04H 1/56 (2006.01) D01D 5/098 (2006.01)
Patent
CA 2749328
A method for forming nanofiber web comprises the steps of : mixing (21) polymeric material with a solvent to obtain a liquid mixture having a viscosity above a predetermined shear viscosity value at room temperature; feeding (23) a spray nozzle with said mixture; projecting (25) said mixture through said nozzle with a gas jet, wherein the projected polymeric material solidifies and forms nanofibers; depositing (27) said nanofibers on a collecting surface to form said nanofiber web.
La présente invention concerne un procédé de formation d'une nappe de nanofibres qui consiste à mélanger (21) un matériau polymère avec un solvant pour obtenir un mélange liquide ayant une viscosité supérieure à une valeur de viscosité de cisaillement prédéterminée à température ambiante, charger (23) une buse de pulvérisation avec ledit mélange, projeter (25) ledit mélange par ladite buse avec un jet de gaz, le matériau polymère projeté se solidifiant et formant des nanofibres, et déposer (27) lesdites nanofibres sur une surface de collecte pour former ladite nappe de nanofibres.
Layrolle Pierre
Sohier Jerome
Inserm (institut National de La Sante Et de La Recherche Medical
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Universite de Nantes
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