HYDROENTANGLED ELASTIC FILAMENT-BASED, STRETCH-BONDED COMPOSITES AND METHODS OF MAKING SAME

摘要

A stretch-bonded elastic nonwoven composite that is absorbent to both water and oil includes a machine-direction, elastic filament-based, stretch-bonded laminate layer and a hydrophilic fibrous layer that is hydroentangled with all layers of the elastic filament-based, stretch-bonded laminate layer. The laminate layer includes a middle elastic filament-based layer sandwiched between two inelastic nonwoven layers.

主权项

1. A process for making a stretch-bonded elastic nonwoven composite includes the steps of:
a) providing a machine direction elastic, web or filament-based, stretch-bonded nonwoven laminate layer, itself having a web or filament-based elastic layer and at least one inelastic layer; b) stretching the stretch-bonded nonwoven laminate layer in the machine direction such that the at least one inelastic layer is in a generally flattened configuration, and no rupture of the inelastic layer occurs; c) providing a hydrophilic fibrous layer on the stretched, stretch-bonded nonwoven laminate layer, the fibrous layer including either staple fibers, substantially continuous fibers, pulp fibers or a combination thereof; d) hydroentangling the fibers of the hydrophilic fibrous layer into the stretched, stretch-bonded nonwoven laminate layer to produce a hydroentangled stretch-bonded elastic nonwoven composite that is absorbent to both aqueous and oil-based liquids; e) allowing the hydroentangled stretch-bonded elastic nonwoven composite to dry and relax; f) storing said hydroentangled stretch-bonded elastic nonwoven composite or moving said composite to a further product manufacturing process.