STRUCTURES SURFACIQUES TEXTILES TRAITEES, AU PLASMA, PROCEDES POUR LEUR PREPARATION ET LEUR UTILISATION

Plasma-treated textile surface structures containing artificial fibres, showing a high degree of wettability with a rise height (after 30 minutes in aqueous potassium hydroxide solution) of at least 80 mm as made and at least 75 mm after 3 months in air at 25[deg]C. An independent claim is also incl...

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Bibliographische Detailangaben
Hauptverfasser:	RUTZ STEPHAN, HALLSTEIN WOLFGANG, SEVERICH BIRGIT, KRITZER PETER, SCHOPPING GERHARD
Format:	Patent
Sprache:	fre
Schlagworte:	BASIC ELECTRIC ELEMENTS BRAIDING COTTON-WOOL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR KNITTING LACE-MAKING LAUNDERING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS PLASMA TECHNIQUE PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS TEXTILES TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	Plasma-treated textile surface structures containing artificial fibres, showing a high degree of wettability with a rise height (after 30 minutes in aqueous potassium hydroxide solution) of at least 80 mm as made and at least 75 mm after 3 months in air at 25[deg]C. An independent claim is also included for a method for the production of hydrophilic surface structures as defined above by (a) preparation of a textile surface structure by known methods and (b) passing the material through a barrier discharge from a corona generator comprising a first resonating circuit (RC1) and a second resonating circuit (RC2) combined with a high-voltage transformer, in which RC1 is a series circuit with a shock coil and a condenser connected by a switch, a diode and a shock coil to the primary winding of a high-voltage transformer, and the inductance of the shock coil in RC1 and the criterion for switching derived from the voltage in the condenser in RC2 are such that the pulse repetition frequency of the voltage produced in the primary winding is less than the natural frequency of RC2 in stable oscillation.