Title:
【発明の名称】不織ウェブ
Document Type and Number:
Japanese Patent JP2002536565
Kind Code:
A
Abstract:
A non-woven fibre web comprising a plurality of fibres in the x- and y-direction of average length greater than 5mm and a plurality of fibres of average length less than 3mm wherein at least a proportion of the fibres of average length less than 3mm are orientated in the z-direction, and wherein the proportion of fibres of average length less than 3mm is at least 20% of the total weight of fibres, and wherein the density of the non-woven fibres web is from 0.1g/cm<3> to 0.35g/cm<3> is disclosed. Also disclosed is a gas diffusion substrate, a gas diffusion electrode and a membrane electrode assembly comprising said non-woven fibre web.
Inventors:
Karen, Lean, Brown
John, Malcolm, Gascoin
Thomas, Robertson, Ralph
John, Malcolm, Gascoin
Thomas, Robertson, Ralph
Application Number:
JP2000598706A
Publication Date:
October 29, 2002
Filing Date:
February 09, 2000
Export Citation:
Assignee:
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
International Classes:
D21H15/02; D21H15/06; H01M4/86; H01M4/96; D21H13/50; H01M8/10; (IPC1-7): D21H13/50; D21H15/06; H01M4/86
Domestic Patent References:
| JPH05135774A | 1993-06-01 | |||
| JPH09326256A | 1997-12-16 | |||
| JPH10312815A | 1998-11-24 | |||
| JPH0992283A | 1997-04-04 | |||
| JPH0544149A | 1993-02-23 | |||
| JPH09324390A | 1997-12-16 | |||
| JPH02154099A | 1990-06-13 |
Attorney, Agent or Firm:
Kenji Yoshitake (4 others)