Title:
MELT-BLOWN NONWOVEN FABRIC, LAMINATE, FILTER FOR MASK, AND MASK
Document Type and Number:
WIPO Patent Application WO/2024/005146
Kind Code:
A1
Abstract:
The present invention provides a melt-blown nonwoven fabric which is hard to tear and has high particle collection efficiency. The present invention is a melt-blown nonwoven fabric containing a fiber, wherein: the fiber is formed of a resin composition containing a poly(3-hydroxyalkanoate)-based resin; the poly(3-hydroxyalkanoate)-based resin contains a copolymer having a 3-hydroxybutyrate unit; the content ratio of the 3-hydroxybutyrate unit in the poly(3-hydroxyalkanoate)-based resin is 80.0-93.5 mol%; and the average fiber diameter in the fiber is at most 8.0 μm.
Inventors:
SHIMAMOTO HITOSHI
MIYAMOTO TAKAYUKI
MAEDA TAKEKAZU
TAMURA MASANOBU
OTANI SHUNSUKE
MIYAMOTO TAKAYUKI
MAEDA TAKEKAZU
TAMURA MASANOBU
OTANI SHUNSUKE
Application Number:
PCT/JP2023/024192
Publication Date:
January 04, 2024
Filing Date:
June 29, 2023
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
D04H3/011; D01F6/62
Domestic Patent References:
| WO2017122679A1 | 2017-07-20 | |||
| WO2022097528A1 | 2022-05-12 |
Foreign References:
| JP2004532360A | 2004-10-21 | |||
| JP2016513153A | 2016-05-12 |
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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