Title:
耐久性のある不織布アレルゲンバリア積層体
Document Type and Number:
Japanese Patent JP5774002
Kind Code:
B2
Abstract:
A laminate useful as an allergen barrier structure, comprising in order, a first nonwoven fabric layer having fibers comprising a first thermoplastic polymer and having a basis weight of at least 15 g/m2; a nonwoven allergen barrier layer having a basis weight of from 6 to 10 g/m2 and consisting of fibers comprising a second thermoplastic polymer and having an average diameter of 100 to 450 nanometers; and a second nonwoven fabric layer having fibers comprising a first thermoplastic polymer and having a basis weight of at least 15 g/m2; wherein the layers are thermally point-bonded together with a plurality of uniformly spaced thermally bonded points with the maximum spacing between adjacent bonded points being from 2 to 5 mm; and wherein the laminate has a filtration efficiency after 15 washings of 95 percent or greater.
Inventors:
Cauca Darius Vrodimierche
Application Number:
JP2012524777A
Publication Date:
September 02, 2015
Filing Date:
August 10, 2010
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B32B5/26; B01D39/16; B32B7/02; B32B7/027; B32B27/02; D04H1/4374; D04H1/4382; D04H1/593; D04H1/728; D04H3/14
Domestic Patent References:
| JP7246144A | ||||
| JP2009106468A | ||||
| JP2009233550A |
Foreign References:
| US20080120783 | ||||
| US20060141886 |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Kobayashi Machiko
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Kobayashi Machiko