A METHOD FOR PREPARING A COMPOSITE FILTER MEDIUM AND THE COMPOSITE FILTER MEDIUM OBTAINED WITH THIS METHOD

A method for preparing a composite filter medium, which involves a step of forming a first filter medium by depositing nanofibers on a base fabric by means of an electrospinning process, a subsequent step of forming the filter medium through plasma deposition of a coating on the first filter medium...

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Bibliographic Details
Main Authors LUCIGNANO, Carmine, CANONICO, Paolo, MOMENTÈ, Roberto, SIMONE, Martina
Format Patent
LanguageEnglish
French
German
Published 29.03.2023
Subjects
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:A method for preparing a composite filter medium, which involves a step of forming a first filter medium by depositing nanofibers on a base fabric by means of an electrospinning process, a subsequent step of forming the filter medium through plasma deposition of a coating on the first filter medium and a step of forming irregularities on the surface of the coating, through plasma treatment of the filter medium obtained in the previous plasma deposition step. With respect to the known filter media, that of the invention offers the advantage of maintaining the desired level of water and oil repellency, without interfering with the secure adhesion of the filter medium to the body on which is located the opening to be protected against liquid infiltration.
Bibliography:Application Number: EP20200796947