FILTER MEDIUM AND COMPOSITE FILTER INCLUDING SAME

Title:

FILTER MEDIUM AND COMPOSITE FILTER INCLUDING SAME

Document Type and Number:

WIPO Patent Application WO/2021/015554

Kind Code:

A1

Abstract:

Provided is a filter medium. A filter medium according to an embodiment of the present invention comprises: a first porous support body which has been electrostatically treated; and a nanofiber web which is disposed on one surface of the first support body and formed by accumulating nanofibers. Accordingly, excellent air filtering efficiency is obtained even for fine dust of PM 2.5 or below, and furthermore, deterioration in air filtering efficiency may be prevented or minimized even when usage is extended for a long period time. Therefore, the filter medium and the composite filter according to the embodiment of the present invention can be widely utilized as media of filters for various air filtering devices.

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Inventors:

LEE SEOUNG HOON (KR)
CHO JUN KEUN (KR)
KIM CHAN (KR)
KIM KYUNG SU (KR)
JANG SEON HO (KR)
SO YUN MI (KR)

Application Number:

PCT/KR2020/009665

Publication Date:

January 28, 2021

Filing Date:

July 22, 2020

Export Citation:

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Assignee:

AMOGREENTECH CO LTD (KR)

International Classes:

B01D39/16; B01D46/00; B01D46/52

Foreign References:

KR20170015552A	2017-02-08
KR20120037008A	2012-04-18
KR101542734B1	2015-08-13
KR101126310B1	2012-03-22
KR20080098115A	2008-11-07

Attorney, Agent or Firm:

ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)

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