performance prediction of hygienic products can be a major advantage for
manufacturers. Among the interesting performances to be expected, we find the
absorption capacity. This is a parameter governed by the composition of the
absorbent core, particularly the fibrous component and the characteristics of
the superabsorbent polymer (SAP). Thus, various theoretical models have been
established to predict the absorption capacity. All these models have taken
into account the nature of the fibrous support and the ratio of superabsorbent
polymer. Certainly, other factors, less obvious in their modelling, are
involved in determining the performance such as the homogeneity of the mixture
formed by the fluff and SAP, the distribution of polymer particles in the
entire structure, the porous structure, the shape of the capillary, the nature
of the nonwoven webs used, etc. Various
theoretical models are proposed here to describe the absorption capacity and we
will outline the model which best describes this performance. The experimental
test results are discussed to verify if the theoretical model selected can be
Cite this paper
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