Patent · US Active

Ultrathin, porous and mechanically stable nonwoven fabric and method for manufacturing

US8962127B2 · kind B2 · utility

0Cited by

9References

10Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Peter Kritzer · Hamm (Sieg), DE
Raoul Farer · Essen, DE
Guenter Frey · Schliengen, DE
Michael Appelgruen · Vaterstetten, DE
Rolf-Peter Schwoebel · Hösbach, DE

Key dates

Filing date	Jul 16, 2004
Grant date	Feb 24, 2015
Priority date	—
Expiry date	Aug 3, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/697
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

An ultrathin, porous, and mechanically stable nonwoven fabric, a method for manufacturing the fabric, and the fabric's use are described. A nonwoven fabric is described having a thickness of less than 30 μm, which is chemically and/or thermally bonded, whose maximum tensile load in at least one direction is at least 15 N/5 cm, whose stretching in this direction at maximum tensile load is 35% at the most, and which has a porosity of at least 25%. This nonwoven fabric may be used as a separator material or as a carrier material for diaphragms.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.