Nonwoven laminate with cross directional stretch

Details Nonwoven laminate with cross directional stretch Nonwoven laminate with cross directional stretch

B - Operations, Transporting

32

B

B32B 5/04 (2006.01) B32B 5/24 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2209472

There is provided a nonwoven fabric laminate having cross-directional stretch properties. The laminate is comprised of at least three layers. The outer layers are spunbond nonwoven fiber webs which are made of crimped or crimpable fibers. The inner layer is an elastomeric polymer layer which may itself be composed of one or more thinner layers. The layers are preferably produced by sequentially depositing them onto a moving forming wire and bonding them together by a method excluding hydroentanglement to form the laminate.

L'invention porte sur un laminé de non tissé étirable en largeur comportant au moins trois couches. Les couches extrêmes sont des non tissés de fibres ondulées ou frisées filées-liées, et la couche intérieure est faite d'un polymère élastomère pouvant lui même consister en une ou plusieurs couches plus fines. Les couches sont de préférence produites par dépôt sur un tapis mobile de formage où elles sont liées par un procédé de formation du laminé excluant l'hydroenchevêtrement.

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