Title:
SPUNBOND NONWOVEN FABRIC FOR USE IN FILTERS, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/004007
Kind Code:
A1
Abstract:
In order to provide a spunbond nonwoven fabric for use in filters that has excellent rigidity, folding resistance and basis weight uniformity, and that also has excellent dust capture performance and mechanical properties, this spunbond nonwoven fabric, which is configured from thermoplastic continuous filaments and has a partially fused portion, has a nonwoven fabric stiffness of 2-100 mN, a basis weight CV value of less than or equal to 5%, and a basis weight of 150-300 g/m2.
Inventors:
MIZOGAMI SHINOBU (JP)
MATSUURA HIROYUKI (JP)
HANE RYOICHI (JP)
MATSUURA HIROYUKI (JP)
HANE RYOICHI (JP)
Application Number:
PCT/JP2019/023072
Publication Date:
January 02, 2020
Filing Date:
June 11, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D39/16; D04H3/011; D04H3/16
Domestic Patent References:
| WO2017110365A1 | 2017-06-29 |
Foreign References:
| JP2010129486A | 2010-06-10 | |||
| JP2000218113A | 2000-08-08 | |||
| JP2007231500A | 2007-09-13 | |||
| JP2010121241A | 2010-06-03 | |||
| JP2012017529A | 2012-01-26 | |||
| JP2005007268A | 2005-01-13 | |||
| JP2001062217A | 2001-03-13 |
Other References:
See also references of EP 3812027A4
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