Textile Materials for Lightweight Constructions by Chokri Cherif

Author:Chokri Cherif
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

9.3.3.4 Absorbency

The capacity to absorb and transport liquids is another characteristic property of nonwoven fabrics determined by the chemical properties of the fiber surface and by the nonwoven fabric structure.

A wetting of the surface is a prerequisite for liquid absorption. The process of wetting a porous system, such as a nonwoven fabric, with a liquid can be described using the Laplace equation (9.7):

(9.7)

PB (Pa)Wetting pressure

K (−)Correcting factor without dimension

depending on the capillary form in the fabric; (k ≈ 1)

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