Thermoplastic polymeric materials with heat activatable compositions

A permeable nonwoven web having a plurality of fibers and/or filaments of a first polymer matrix forming an outer surface of each of the plurality of fibers and/or filaments is described herein. The first polymer matrix includes a hydrophilic melt additive and/or a tactile modifying melt additive bl...

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Bibliographische Detailangaben
Hauptverfasser:	Lindner, Torsten, Lanyi, Franz Josef, Brennan, Jon, Beruda, Holger, Erdem, Gueltekin, Schubert, Dirk Wolfram
Format:	Patent
Sprache:	eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROSTHESES TEXTILES THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	A permeable nonwoven web having a plurality of fibers and/or filaments of a first polymer matrix forming an outer surface of each of the plurality of fibers and/or filaments is described herein. The first polymer matrix includes a hydrophilic melt additive and/or a tactile modifying melt additive blended therein. Energy application across the entirety of the web, or parts thereof, promotes the blooming of the melt additive from the first polymer matrix such that bloom areas are disposed on at least a portion of each of the outer surfaces of the fibers and/or filaments.