Backing web in an absorbent article

A - Human Necessities – 61 – F

Patent

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Details

A61F 13/15 (2006.01) A61F 13/56 (2006.01)

Patent

CA 2242858

A disposable absorbent article comprises an absorbent panel and a backing web secured to the panel. A preferred form of the web comprises an apertured film. The web may also include other components on the apertured film, including adhesive. The apertured film is preferably produced from a solid precursor film. The precursor film comprises a copolymer of ethylene and a comonomer polymerized using a single-site metallocene-type polymerization catalyst. The apertured film is formed from the precursor film so that the apertured film has localized deformations and apertures therein. The apertured film exhibits breathability, strength, and flexibility with an elasticity accommodating stretch or elongation and at least partial recovery.

Un article absorbant jetable comprend un panneau absorbant et un tissu de renforcement fixé au panneau. Une forme préférée du renforcement comprend un film ajouré. Le tissu de renforcement peut également comprendre d'autres composants, sur le film ajouré, y compris un adhésif. Le film ajouré est produit de préférence à partir d'un film précurseur plein. Le film précurseur comprend un copolymère d'éthylène et un comonomère polymérisé avec un catalyseur de polymérisation du type métallocène monosite. Le film ajouré est formé à partir du film précurseur. Le film ajouré obtenu présente des déformations localisées et des ouvertures dans ces dernières. Le film ajouré possède des caractéristiques de respirabilité, résistance et flexibilité, ainsi qu'une élasticité permettant l'extensibilité ou l'élongation et une récupération au moins partielle.

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