Material für ein Filtermedium und Dieses Material Umfassender Filter für ein Filtermedium

Details

Veröffentlichungs-Nr.

EP4725582

Anmeldetag

10. Oktober 2024

Veröffentlichung

15. April 2026

Rechtsraum

EP

IPC

B01D39/16, B01D46/00(DEKA GANESH CHANDRA et al.)(YAN YURONG et al.)(WARD BENNETT C et al.)

Abstract

A material for a filter medium is provided which comprises at least a first material layer comprising fibers and having a first surface and a second surface, and which comprising a second material layer comprising fibers and having a first surface and a second surface, wherein the first surface of the second material layer is oriented parallel to the second surface of the first material layer, wherein the first material layer comprises a mixture of meltblown filaments and fibers having a discrete length, wherein the concentration of meltblown filaments increases from the first surface to the second surface of the first material layer and the concentration of fibers having a discrete length increases from the second surface to the first surface of the first material layer, and wherein the second material layer comprises nanofibers forming the first surface of the second material layer.

Anmelder

Firma

Carl Freudenberg KG

Land

🇩🇪 Deutschland