Title:
空気濾過媒体としてのエレクトレットナノファイバーウェブ
Document Type and Number:
Japanese Patent JP6554462
Kind Code:
B2
Abstract:
The present invention is directed toward an improved air filtration medium comprising a single layer polymeric nanofibrous web comprising a single source randomly intermingled fiber network with electrostatic charge up to −20 kV, a filtration efficiency range from about 70% to about 99.99%, and an air resistance less than about 2.5 mm wg for 0.3 diameter micron particles. The air filtration medium is made from a centrifugal melt spinning process.
Inventors:
Juan Tao
Lim Hyun Sung
Yun Yi-Shin
Lim Hyun Sung
Yun Yi-Shin
Application Number:
JP2016525568A
Publication Date:
July 31, 2019
Filing Date:
October 21, 2014
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B01D39/16; B03C3/155; B03C3/28; D04H1/736
Domestic Patent References:
| JP2010534559A | ||||
| JP2004523337A | ||||
| JP2012510006A | ||||
| JP2009006272A | ||||
| JP2010522835A |
Foreign References:
| WO2013096672A1 | ||||
| WO2012102398A1 | ||||
| US20100043639 |
Attorney, Agent or Firm:
Takaki Nishijima
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori