Elastomeric absorbent structure

A liquid-absorbent structure, e.g. an absorbent pad of a diaper, is made from a mixture of fibres comprising from more than 20 to about 80% thermoplastic elastomeric fibres and from about 20 to about 80% of wettable staple fibres, the percentages relating to the combined weight of fibres. The struct...

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Bibliographische Detailangaben
Hauptverfasser:	KETAN NARENDRA SHAH, SRIRAM PADMANABHAN ANJUR, ANTHONY JOHN WISNESKI
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES COTTON-WOOL DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL NON-WOVEN FABRICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TEXTILES TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	A liquid-absorbent structure, e.g. an absorbent pad of a diaper, is made from a mixture of fibres comprising from more than 20 to about 80% thermoplastic elastomeric fibres and from about 20 to about 80% of wettable staple fibres, the percentages relating to the combined weight of fibres. The structure has the following properties: a specific liquid saturated retention capacity of at least about 5 grams per gram; a maximum stretch when dry of more than about 60%; a maximum stretch when saturated of more than about 150%; a stretch recovery when dry of more than about 70%; a stretch recovery when saturated of more than about 75%. The elastomeric fibres are suitably melt-blown from a block polymeric material and trap the wettable fibres, which may be of wood pulp. The structure may alternatively be wet-laid. The elastomeric fibres may also be wettable by means of a hydrophilising treatment. Hydrogel material may may additionally be included in the structure.