MEZZO FILTRANTE COMPOSITO E METODO PER LA SUA PRODUZIONE

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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Bibliographic Details
Main Authors Sabatini, Valentina, Lucignano, Carmine, Canonico, Paolo, Simone, Martina
Format Patent
LanguageItalian
Published 27.01.2023
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary: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.
Bibliography:Application Number: IT20210019997