MECHANICALLY COMPATIBILIZED FILM/NONWOVEN LAMINATES

DISCLOSED HEREIN IS A FILM/NONWOVEN LAMINATE WHICH INCORPORATES A LOW GAUGE MACHINE DIRECTION ORIENTED FILM LAYER LAMINATED TO A NONWOVEN SUPPORT LAYER. THE INDIVIDUAL LAYERS ARE DESIGNED SUCH THAT THE FILM LAYER IN THE LAMINATED STATE HAS AN ELONGATION AT BREAK VALUE IN THE CROSS MACHINE DIRECTION...

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Hauptverfasser:	ANN LUOISE MCCORMACK, KAREN LYNN ENGLISH
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING COTTON-WOOL DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DIAGNOSIS 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 IDENTIFICATION KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MEDICAL OR VETERINARY SCIENCE NON-WOVEN FABRICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES OUTERWEAR PERFORMING OPERATIONS PROSTHESES PROTECTIVE GARMENTS SURGERY TEXTILES TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING WEARING APPAREL
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Zusammenfassung:	DISCLOSED HEREIN IS A FILM/NONWOVEN LAMINATE WHICH INCORPORATES A LOW GAUGE MACHINE DIRECTION ORIENTED FILM LAYER LAMINATED TO A NONWOVEN SUPPORT LAYER. THE INDIVIDUAL LAYERS ARE DESIGNED SUCH THAT THE FILM LAYER IN THE LAMINATED STATE HAS AN ELONGATION AT BREAK VALUE IN THE CROSS MACHINE DIRECTION THAT IS GREATER THE ELONGATION AT PEAK LOAD VALUE FOR THE NONWOVEN LAYER IN THE SAME DIRECTION. CONSEQUENTLY, IF THE LAMINATE IS SUBJECTED TO SERVERE STRETCHING FORCES IN THE CROSS MACHINE DIRECTION, THE NONWOVEN LAYER WILL FAIL BEFORE THE FILM LAYER. IN ADDITION, THE LAMINATE HAS A PEAK LOAD VALUE OF AT LEAST 300 GRAMS. AS A RESULT, THE LAMINATE IS PARTICULARLY USEFUL AS, FOR EXAMPLE, AN OUTERCOVER MATERIAL FOR PERSONAL CARE ABSORBENT ARTICLES.