Abstract: A fibrous structure testable in a series of run-off tests, wherein each run-off test includes exposing the fibrous structure to a volume of a test solution and the fibrous structure initially is hydrophobic and has been treated to be hydrophilic, wherein the fibrous structure exhibits a run-off level that is less than 5 percent by weight throughout a series of run-off tests, and wherein the series starts with a first run-off test and ends with a fifth run-off test.

Abstract: Methods for treating polymeric substrates by placing the substrate in a gaseous mixture and subjecting it to a dielectric barrier electrical discharge. The gaseous mixture, which has a pressure around atmospheric, contains a carrier gas, a reducing gas and an oxidizing gas. The amount of the oxidizing gas in the gas mixture is between about 50 ppm and about 2000 ppm by volume, while the amount of the reducing gas in the gas mixture is between about 50 ppm and 30000 ppm by volume.

Abstract: The invention pertains to a pressure chamber scraper for application of a liquid medium onto a rotating drum, said pressure chamber scraper having an axially extending scraper head, that together with an axially extending dosing scraper touching the mantle surface of the drum and with a sealing scraper forms a chamber in the circumferential direction, in said chamber there is an axially extending displacement element to form a pressure compartment and an outlet compartment and leaving an application gap to the mantle surface of the drum, and the liquid medium for wetting of the mantle surface flows through said gap, wherein the medium is supplied through an inlet opening into the pressure compartment. According to the invention, it is proposed that the displacement element and scraper head have mutually facing contact surfaces which bound at least one gap between them which opens into the pressure compartment and connects it to the inlet opening, so that the medium can move into the pressure compartment.

Abstract: The present invention relates to a fibrous structure, being testable in a series of run-off tests, wherein each run-off test comprises exposing said fibrous structure to a volume of a test solution and said fibrous structure initially is hydrophobic and has been treated to be hydrophilic. wherein said fibrous structure exhibits a run-off level that is less than 5 percent by weight throughout a series of run-off tests, wherein the series starts with a first run-off test and ends with a fifth run-off test, use of said fibrous structure, tissue product and nonwoven material made of said fibrous structure. Further, it relates to an absorbent article comprising at least one of said fibrous structure and to use of said absorbent article.

Abstract: A method for treating cellulosic fibres, according to which the fibre is submitted to an electrical discharge, in presence of a treatment gaseous mixture comprising a carrier gas, as well as a reducing gas and/or an oxidizing gas, at the atmospheric pressure, characterized in that:

Abstract: The invention pertains to a pressure chamber scraper for application of a liquid medium onto a rotating drum, said pressure chamber scraper having an axially extending scraper head, that together with an axially extending dosing scraper touching the mantle surface of the drum and with a sealing scraper forms a chamber in the circumferential direction, in said chamber there is an axially extending displacement element to form a pressure compartment and an outlet compartment and leaving an application gap to the mantle surface of the drum, and the liquid medium for wetting of the mantle surface flows through said gap, wherein the medium is supplied through an inlet opening into the pressure compartment. According to the invention, it is proposed that the displacement element and scraper head have mutually facing contact surfaces which bound at least one gap between them which opens into the pressure compartment and connects it to the inlet opening, so that the medium can move into the pressure compartment.

Abstract: The invention concerns a method for the surface treatment of polymeric substrates whereby the substrate is subjected to a dielectric barrier electrical discharge, in a gaseous mixture comprising a carrier gas, and a reducing and/or oxidising gas, at a pressure substantially equal to atmospheric pressure. The invention is characterised in that it comprises the following implementing conditions: when the mixture comprises an oxidising gas, the oxidising gas content in the mixture ranges between 50 to 2000 ppm by volume; when the mixture comprises a reducing gas, the reducing gas content in the mixture ranges between 50 to 30000 ppm by volume.

Abstract: Optimization of an installation in which an operation is performed that requires control over the atmosphere inside a chamber (3), the operation being performed in the presence of a gaseous mixture capable of giving off emissions, the optimization being obtained by the presence of inlet (5) and outlet (8) devices external to the chamber to oppose the ingress of air into the chamber and the exit of gaseous emissions; and of an extraction device (4) comprising means (42) for regulating the flow rate to maintain an approximately zero pressure differential between the inside and the outside of the chamber.

Abstract: Optimization of an installation in which an operation is performed that requires control over the atmosphere inside a chamber (3), the operation being performed in the presence of a gaseous mixture capable of giving off emissions, the optimization being obtained by the presence of inlet (5) and outlet (8) devices external to the chamber to oppose the ingress of air into the chamber and the exit of gaseous emissions; and of an extraction device (4) comprising means (42) for regulating the flow rate to maintain an approximately zero pressure differential between the inside and the outside of the chamber.

Abstract: A barrier electrode for the treatment of surfaces of electronically conductive or non-conductive materials with medium frequency electric discharges and a barrier electrode arrangement with one or more such barrier electrodes, wherein the barrier electrode is constructed as a tube of dielectric material with two ducts extending parallel to each other in the longitudinal direction of the tube. The duct which in the position of use faces the counter electrode is provided with a high voltage conductor and the other duct serves for supplying a temperature-influencing medium or a process gas.

Abstract: A process for the surface treatment of a running substrate by an electrical discharge created between two roller electrodes, comprising a first roller electrode and a second roller electrode, in a gas mixture comprising the steps of passing the substrate in between the two roller electrodes by applying it against the first roller electrode; injecting the gas mixture between the rollers to apply a first surface treatment to the substrate; passing the substrate in between the two roller electrodes by applying it against a second roller electrode; and injecting the gas mixture between the rollers to apply a second surface treatment to the substrate.

Abstract: Device for the surface treatment of a substrate (3) by an electrical discharge between two electrodes in a gas mixture liable to generate by-products (powders, for example) which may be deposited on the electrodes, in which device one (9) of the electrodes is a roller against which the substrate may be applied, means being provided for rotating the roller and the substrate and for injecting the gas mixture between the electrodes, the device being noteworthy in that the second electrode is a roller electrode (11) against which the running substrate may also be applied, this roller (11) being placed parallel to the other roller (9) with a suitable gap. By virtue of this arrangement, the substrate (3) protects each electrode (11) and prevents it from being covered with powder during the treatment, as well as preventing the corresponding contamination, thereby allowing the device to operate continuously.