Title:
水流交絡不織布
Document Type and Number:
Japanese Patent JP7001901
Kind Code:
B2
Abstract:
The present invention addresses the problem of providing a hydroentangled nonwoven fabric that offers superior softness, readily fits snugly to the contours of the face, and offers superior handling and comfort of use when used for a face mask or the like. The present invention is a hydroentangled nonwoven fabric obtained by layering a short-fiber nonwoven fabric (1), a long-fiber nonwoven fabric (2), and a short-fiber nonwoven fabric (3) in the stated order and forming an integrated laminate by hydroentanglement, wherein the hydroentangled nonwoven fabric is characterized in that: the mass per unit area of the long-fiber nonwoven fabric (2) is 7 to 15 g/m2; the tenacity at break in the machine direction is 18 N/5 cm or less; the fineness of the fibers constituting the long-fiber nonwoven fabric is 0.5 to 5 dtex; and the stress at 5% elongation of the hydroentangled nonwoven fabric in the machine direction is 2 to 14 N/5 cm.
Inventors:
Yusuke Uraya
Takuro Maeda
Hiroyasu Sakaguchi
Takuro Maeda
Hiroyasu Sakaguchi
Application Number:
JP2018561438A
Publication Date:
January 20, 2022
Filing Date:
January 15, 2018
Export Citation:
Assignee:
Toyobo Co., Ltd.
Daiwa Spinning Co., Ltd.
Daiwa Spinning Co., Ltd.
International Classes:
D04H5/03; B32B5/26
Domestic Patent References:
| JP7316968A | ||||
| JP2010281003A | ||||
| JP2016529412A | ||||
| JP2009121014A |
Foreign References:
| US20100075120 |
Attorney, Agent or Firm:
Yamato Kento
Genban Sanae
Genban Sanae
Previous Patent: Cancer-related fibroblast inhibitor and cancer therapeutic drug containing conophylline or a pharmac...
Next Patent: Eaves
Next Patent: Eaves