ONE-WAY VALVE NONWOVEN MATERIAL

A material having one-way valve properties includes a nonwoven substrate having a first surface having a first surface hydrohead value and a second surface having a second surface hydrohead value; and a superhydrophobic formulation disposed on the first surface, wherein the first surface hydrohead v...

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Bibliographische Detailangaben
Hauptverfasser:	QIN, Jian, MEGARIDIS, Constantine, M, MATES, Joseph, Edward, SCHUTZIUS, Thomas, Michael, WALDROUP, Donald, E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BANDAGES, DRESSINGS OR ABSORBENT PADS BLASTING CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES COCKS DEVICES FOR VENTING OR AERATING DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ENGINEERING ELEMENTS AND UNITS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROSTHESES SPRAYING OR ATOMISING IN GENERAL TAPS THERMAL INSULATION IN GENERAL TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A material having one-way valve properties includes a nonwoven substrate having a first surface having a first surface hydrohead value and a second surface having a second surface hydrohead value; and a superhydrophobic formulation disposed on the first surface, wherein the first surface hydrohead value is less than about 1 cm, and wherein the second surface hydrohead value is at least 4 cm greater than the first surface hydrohead value. Also, a personal care article includes this nonwoven substrate in a nonwoven fluid permeable topsheet having a body-facing surface and an opposing backside surface, the article also including a fluid impermeable backsheet and at least one intermediate layer disposed therebetween.