Improved mechanically strainable composite laminated structure

Details Improved mechanically strainable composite laminated structure Improved mechanically strainable composite laminated structure

B - Operations, Transporting

32

B

B32B 7/06 (2006.01) A61F 13/15 (2006.01) A61F 13/56 (2006.01) B32B 3/24 (2006.01) B32B 7/12 (2006.01)

Patent

CA 2338784

The present invention relates to a composite laminated structure comprising a substrate and an apertured layer joined together by means of a layer of an adhesive composition. The laminated structure is made extensible in designated zones by mechanical straining and the adhesive composition provides both an effective connection of the layers forming the composite laminated structure and an improved processability of the laminated structure by mechanical straining. The composite laminated structure preferably constitutes side flaps in a disposable absorbent article such as a sanitary napkin.

L'invention concerne une structure composite stratifiée, comprenant un substrat ainsi qu'une couche dotée d'ouvertures, assemblés au moyen d'une couche d'une composition adhésive. Cette structure stratifiée est rendue extensible dans des zones spécifiques au moyen d'une mise sous contrainte, la composition adhésive constituant un raccord efficace des couches formant la structure composite stratifiée, et permettant un traitement amélioré de cette structure stratifiée par mise sous contrainte mécanique. De préférence, la structure composite stratifiée constitue des volets latéraux dans un article absorbant jetable, tel qu'une serviette hygiénique.

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