Title:
NON-WOVEN SHEET OF ARAMID FLOC
Document Type and Number:
WIPO Patent Application WO2002059411
Kind Code:
A3
Abstract:
The present invention relates to a wet-laid non-woven sheet made from a essentially binder-free aramid floc, wherein the aramid floc includes at least 25 percent by weight of para-aramid floc based on the total weight of aramid floc only, and a process for making the sheet.
Inventors:
LEVIT MIKHAIL R
Application Number:
PCT/US2001/049574
Publication Date:
August 07, 2003
Filing Date:
December 27, 2001
Export Citation:
Assignee:
DU PONT (US)
International Classes:
B32B15/08; C08J5/04; D04H1/42; C08J5/24; D21H13/26; D21H25/00; D21H25/04; H05K1/03; (IPC1-7): D21H13/26; B32B27/04; H05K1/03
Foreign References:
| US5223094A | 1993-06-29 | |||
| US5314742A | 1994-05-24 | |||
| US4524103A | 1985-06-18 | |||
| US4729921A | 1988-03-08 | |||
| US4902564A | 1990-02-20 |
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