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US 4,902,559 AGranted
Absorbent body of nonwoven material and a method for the production thereof
AssigneeFirma Carl Freudenberg
InventorsHelmut Eschwey, Lothar Hackler, Ludwig Hartmann, Michael Kauschke, Bernhard Klein, Thomas Kumpel, Hans-Achim Kunkel, Torsten Nahe, Ivo Ruzek
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Abstract
Disclosed is an absorbent body of nonwoven material formed of randomly distributed thermoplastic endless filaments which contain embedded hydrophilic or oleophilic staple fibers and in some cases swelling particles. Also disclosed is a one-step process for the production of the absorbent body.
Claims14
An absorbent body comprising:
- a nonwoven material of hydrophilic or oleophilic fibers of 1 to 50 mm length in a single-layer network having a total density of 0.05 to 0.5 g/cm.sup.3 and a matrix of thermoplastic endless filaments of circular cross section and a high degree of orientation, arranged in a three-dimensional random texture in which the fibers are distributed in a spatially uniform manner in an amount of 40 to 90 wt.- % of the total body.
Dependencies are inferred from the claim text.