Sheet of microfiber assembly, and method and apparatus for...

D - Textiles – Paper – 04 – H

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D04H 1/728 (2012.01) B01D 39/08 (2006.01)

Patent

CA 2732242

The present invention aims to provide a sheet of microfiber assembly having a high filtering performance suitable as an oil-mist filter. A sheet of microfiber assembly 2 comprises microfibers 1 each having a fiber diameter of 3,000nm or less and is formed of a mixture of water-insoluble but alcohol-soluble acetalized polyvinyl alcohol resin and water-insoluble but alcohol-soluble fluorine resin.

Linvention concerne un assemblage de type feuille de fibres de petits diamètres, lequel assemblage peut être utilisé comme un filtre qui possède une excellente capacité à filtrer un brouillard dhuile. Linvention concerne plus particulièrement un assemblage (2) de type feuille de fibres (1) de faibles diamètres, chacune des fibres (1) présentant un diamètre de fibre de 3 000 nm ou moins et comprenant un mélange dune résine dalcool polyvinylique acétalisé insoluble dans leau et soluble dans un alcool et dune fluororésine insoluble dans leau et soluble dans un alcool.

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