COMPOSITE FILTERING MEDIUM AND METHOD FOR PRODUCTION THEREOF

A composite filtering medium comprising a precision fabric, of the type with weft and warp, on the surface of which nanofibres are deposited by electrospinning. A method for producing the composite filtering medium, comprising a step of electrospinning for formation of nanofibres and a subsequent st...

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Main Authors LUCIGNANO, Carmine, CANONICO, Paolo, SABATINI, Valentina, SIMONE, Martina
Format Patent
LanguageEnglish
French
Published 02.02.2023
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Abstract A composite filtering medium comprising a precision fabric, of the type with weft and warp, on the surface of which nanofibres are deposited by electrospinning. A method for producing the composite filtering medium, comprising a step of electrospinning for formation of nanofibres and a subsequent step of deposition of said nanofibres on a base fabric; the method comprises injection of the material for formation of the nanofibres, dissolved in a solvent or mixture of solvents, through a nozzle in order to spread it on an electrode; the method comprising application of a difference of potential between the nozzle and an electrode; the nanofibres being formed as a result of evaporation of the solvent or mixture of solvents, due to the electrical field, and stretching of the polymer deposited on the electrode, by means of the nozzle; the nanofibres thus formed being subsequently stretched and deposited on said base fabric. Milieu filtrant composite comprenant un tissu de précision, du type à trame et chaîne, sur la surface duquel des nanofibres sont déposées par électrofilage. Procédé de production du milieu filtrant composite, comprenant une étape d'électrofilage pour la formation de nanofibres et une étape ultérieure de dépôt desdites nanofibres sur un tissu de base ; le procédé comprend l'injection du matériau pour la formation des nanofibres, dissous dans un solvant ou un mélange de solvants, à travers une buse afin de le répartir sur une électrode ; le procédé comprenant l'application d'une différence de potentiel entre la buse et une électrode ; les nanofibres étant formées suite à l'évaporation du solvant ou du mélange de solvants, du fait du champ électrique, et l'étirage du polymère déposé sur l'électrode, au moyen de la buse ; les nanofibres ainsi formées étant ensuite étirées et déposées sur ledit tissu de base.
AbstractList A composite filtering medium comprising a precision fabric, of the type with weft and warp, on the surface of which nanofibres are deposited by electrospinning. A method for producing the composite filtering medium, comprising a step of electrospinning for formation of nanofibres and a subsequent step of deposition of said nanofibres on a base fabric; the method comprises injection of the material for formation of the nanofibres, dissolved in a solvent or mixture of solvents, through a nozzle in order to spread it on an electrode; the method comprising application of a difference of potential between the nozzle and an electrode; the nanofibres being formed as a result of evaporation of the solvent or mixture of solvents, due to the electrical field, and stretching of the polymer deposited on the electrode, by means of the nozzle; the nanofibres thus formed being subsequently stretched and deposited on said base fabric. Milieu filtrant composite comprenant un tissu de précision, du type à trame et chaîne, sur la surface duquel des nanofibres sont déposées par électrofilage. Procédé de production du milieu filtrant composite, comprenant une étape d'électrofilage pour la formation de nanofibres et une étape ultérieure de dépôt desdites nanofibres sur un tissu de base ; le procédé comprend l'injection du matériau pour la formation des nanofibres, dissous dans un solvant ou un mélange de solvants, à travers une buse afin de le répartir sur une électrode ; le procédé comprenant l'application d'une différence de potentiel entre la buse et une électrode ; les nanofibres étant formées suite à l'évaporation du solvant ou du mélange de solvants, du fait du champ électrique, et l'étirage du polymère déposé sur l'électrode, au moyen de la buse ; les nanofibres ainsi formées étant ensuite étirées et déposées sur ledit tissu de base.
Author SIMONE, Martina
CANONICO, Paolo
LUCIGNANO, Carmine
SABATINI, Valentina
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Snippet A composite filtering medium comprising a precision fabric, of the type with weft and warp, on the surface of which nanofibres are deposited by...
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SubjectTerms DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PUBLIC ADDRESS SYSTEMS
SEPARATION
TRANSPORTING
Title COMPOSITE FILTERING MEDIUM AND METHOD FOR PRODUCTION THEREOF
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