Absorbent pads

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) A61L 15/00 (2006.01)

Patent

CA 2526817

Hydrophilic nonwoven fabric laminates suitable for use as a liquid permeable layer within absorbent pads are provided. The nonwoven laminates generally include at least two layers: a spunbond layer of continuous filament fibers and a meltblown layer of discontinuous filaments. The hydrophilic laminate may further include either a hydrophilic coating or additive. The resulting absorbent pads provide an advantageous balance of properties, including increased wicking speed and height and improved containment characteristics.

Selon cette invention, des stratifiés de tissu non tissé hydrophile peuvent être utilisés comme couche perméable au liquide dans des garnitures absorbantes. Ces stratifiés non tissés comprennent généralement au moins deux couches, à savoir une couche obtenue par filage direct de fibres de filaments continus et une couche obtenue par fusion soufflage de filaments discontinus. Ce stratifié hydrophile peut également comprendre soit un revêtement hydrophile, soit un additif. Les garnitures adsorbantes ainsi obtenues offrent un équilibre favorable de propriétés, y compris une vitesse et une hauteur de pénétration capillaire accrues ainsi que de meilleures caractéristiques de rétention.

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