ABSORBENT ARTICLES

The present invention relates to absorbent articles comprising an absorbent core wherein absorbent material is contained within at least one core wrap substrate enclosing said absorbent material, and wherein a top layer of said core wrap is bonded via a hot melt adhesive to a bottom layer of said co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Lampe, Ulrich, Ingenfeld, Björn, Granado, Martín, Lambertz, Christina, Saheb Mohammed, Moula
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMISTRY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DYES FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PAINTS PERFORMING OPERATIONS POLISHES PROSTHESES TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The present invention relates to absorbent articles comprising an absorbent core wherein absorbent material is contained within at least one core wrap substrate enclosing said absorbent material, and wherein a top layer of said core wrap is bonded via a hot melt adhesive to a bottom layer of said core wrap at one or more attachment zones to form one or more channels substantially free of absorbent material. The hot melt adhesive is selected from the group consisting of rubber-based adhesives, adhesives having a viscosity of at least 5500 mPa·s at 150°C and rubber-based adhesives having a viscosity of at least 5500 mPa·s at 150°C. This may provide exceptionally strong bonding and excellent stability within the channel(s), even in wet state.