Title:
COMPOSITE STRUCTURE, METHOD OF MANUFACTURING SAME, AND FILTER MEDIUM CONTAINING SAID COMPOSITE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/195853
Kind Code:
A1
Abstract:
Provided are: a filter medium with high dust collection efficiency, low pressure loss, and a long lifespan; and a filter material used for the filter medium. This composite structure includes ultrafine fibers having a fiber diameter of less than 500 nm, and beads. The outermost surface of the composite structure has at least 500/mm2 of beads with a diameter of 5 μm or greater. The ultrafine fibers and the beads preferably have the same component.
Inventors:
UMEBAYASHI YOU (JP)
HIRAMOTO SHIMPEI (JP)
ITO HIDEMI (JP)
HIRAMOTO SHIMPEI (JP)
ITO HIDEMI (JP)
Application Number:
PCT/JP2020/010626
Publication Date:
October 01, 2020
Filing Date:
March 11, 2020
Export Citation:
Assignee:
JNC CORP (JP)
JNC FIBERS CORP (JP)
JNC FIBERS CORP (JP)
International Classes:
D04H1/413; B01D39/16; D01D5/04; D01F6/12; D04H1/4382; D04H1/728
Domestic Patent References:
| WO2013051185A1 | 2013-04-11 | |||
| WO2013047264A1 | 2013-04-04 | |||
| WO2009031334A1 | 2009-03-12 |
Foreign References:
| JP2019044282A | 2019-03-22 | |||
| JP2010247035A | 2010-11-04 |
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