Abstract: Method for the production of adhesive-coated articles, articles obtainable thereby and their use A method for the production of adhesive-coated articles comprises the steps of: (I) providing a substrate; (II) applying a first polyurethane and/or polyurethane-polyurea polymer onto the substrate, the first polyurethane and/or polyurethane-polyurea polymer being capable of attaining an at least partially crystalline state with a final degree of crystallinity and wherein during and/or after the application the first polyurethane and/or polyurethane-polyurea polymer is present in a non-crystalline state.

Abstract: A method for compressing a cryogenic medium, in particular hydrogen, oxygen, nitrogen or argon is described. The cryogenic medium is compressed in two compressor stages from an initial pressure to a final pressure by way of an intermediate pressure, such that the first compressor stage is designed as a cryogenic compressor stage. The cryogenic medium is advantageously compressed to a pressure between 30 and 70 bar in the first compressor stage and in the second compressor stage is compressed to the desired final pressure by means of a hot gas compression.

Abstract: The invention relates to a method for producing aqueous polyurethane-polyurea dispersions, aqueous polyurethane-polyurea dispersions produced by this method and their use to produce coating agents and adhesives.

Abstract: The present invention relates to aqueous dispersions containing hydrophilized polycarbodiimides, methods for producing the aqueous dispersions according to the invention, their use as a constituent of binders in adhesives, lacquers, paints, paper coating compounds or in fibre nonwovens and articles made of wood, metal, textile, leather or plastic, which are treated with the aqueous dispersion according to the invention.

Abstract: The invention relates to an aqueous adhesive composition containing at least one acrylate polymer with a glass transition temperature Tg>50° C. and at least one amorphous polyurethane or polyurethane-polyurea polymer with a glass transition temperature Tg<+10° C., the use of the adhesive compositions for the manufacture of heat-activated adhesive layers, and planar formations containing adhesive layers based on the adhesive composition.

Abstract: In a method and apparatus for treating a surface of an article, an improved rinse liquid prevents build-up of static charge while avoiding damages to certain types of exposed metal surfaces. In one embodiment, a semiconductor wafer having structures including at least one of cobalt, nickel and platinum is rotated on a spin chuck, as a rinse liquid is dispensed onto a surface of the wafer. The rinse liquid is a dilute aqueous solution of a base of the formula in which R1, R2 and R3 are each independently selected from hydrogen and C1-4 alkyl. The base has a boiling point less than 100° C., and the rinse liquid has a pH in the range of 8 to 10.

Abstract: In a method and apparatus for treating a surface of an article, an improved rinse liquid prevents build-up of static charge while avoiding damages to certain types of exposed metal-containing surfaces. In one embodiment, a semiconductor wafer having structures including at least one of cobalt, nickel and platinum is rotated on a spin chuck, as a rinse liquid is dispensed onto a surface of the wafer. The rinse liquid is a dilute aqueous solution of a base of the formula in which R1, R2 and R3 are each independently selected from hydrogen and C1-4 alkyl. The base has a boiling point less than 100° C., and the rinse liquid has a pH in the range of 8 to 10.

Abstract: The present invention relates to aqueous compositions based on crystalline or semicrystalline polyurethane polymers, processes for the preparation thereof and adhesive systems comprising these aqueous compositions and the use thereof.

Abstract: The invention relates to a system for heating and/or cooling a medium, comprising an ambient air heat exchanger via which the medium can be heated and/or cooled relative to the ambient air in one or more heat exchanger tubes. The ambient air heat exchanger comprises means for the controlled guidance and/or flow-control of the ambient air along the one or at least one heat exchanger tube, the means for the controlled guidance and/or flow-control of the ambient air being designed to allow a variable or controlled manipulation of the flow speed, flow direction and/or flow intensity of the ambient air.

Abstract: A method and an arrangement for filling a storage container, in particular a storage tank of a vehicle, having a compressed medium, in particular compressed hydrogen, wherein the medium is temporarily stored in at least one high pressure storage container and immediately before being delivered to the storage container to be filled has a temperature that is within a predetermined temperature interval. The high-pressure storage containers, in which the medium is temporarily stored, are cooled and/or heated. Thus, the medium temporarily stored in the high-pressure storage container is temporarily stored substantially at the temperature at which it is delivered to the storage container to be filled.

Abstract: A gas dispenser in a process module for wet processing of wafer-shaped articles is substantially smaller than the article to be processed and is movable laterally of the article as it dispenses inert gas above the article.

Abstract: The present invention relates to an aqueous polyurethane urea dispersion comprising a polyurethane urea polymer comprising structural units of the formula (I) wherein Aromat represents a compound selected from the group consisting of phenylene, tolylene, xylylene, tetramethylxylylene and diphenylenemethane, and wherein the polyurethane urea is obtained from components comprising A) at least one aromatic diisocyanate, B) at least one polyether polyol having a number-average molecular weight of from 300 to 1500 Da, C) at least one compound having one to two isocyanate-reactive groups and at least one ionogenic group, D) at least one polyol having a number-average molecular weight of from 60 to 499 Da, and E) water, wherein the average overall functionality of compounds B) to D) is from 1.85 to 2.2 and wherein the sum of the amount of aromatic urea groups and the amount of urethane groups is 2700 to 5000 mmol per kg polyurethane urea polymer.

Abstract: A method for removing liquid from a surface of a disc includes, rotating the disc article about an axis perpendicular to the disc's main surface, supplying liquid from a supply port, moved across the substrate towards the edge of the disc, onto the rotated disc, supplying a first gas flow through a first gas supply port onto the disc article to an area whose centre has a distance to the centre of rotational movement of not more than 20 mm, the area being covered with a liquid layer thereby opening the liquid layer at a discrete area, and supplying a second gas flow through a second gas supply port moved across the substrate towards the edge of the substrate onto the rotated disc wherein the distance of the second gas supply port to the centre is lower than the distance of the liquid supply port to the centre.

Abstract: Aqueous polyurethane-polyurethane urea dispersions comprising a reaction product of: (i) an NCO prepolymer prepared from; (A) one or more di- or higher-functional polyols having a mean molecular weight of 400 to 5000 daltons, (B) optionally one or more di- or higher-functional polyol components having a molecular weight of from 62 to 399 daltons, and (C) one or more di- or poly-isocyanate components; and (ii) a mixture (D) of primary and/or secondary monoamino compounds (D1) and primary and/or secondary diamino compounds (D2); wherein at least one of the amino compounds of the mixture (D) has a functional group selected from sulfonates and carboxylates; wherein mixture (D) has a mean amino functionality of 1.65 to 1.95; and wherein the equivalent ratio of NCO groups in the NCO prepolymer to the total amount of isocyanate-reactive groups of the mixture (D) is 1.04 to 1.9; to processes for their preparation and to use thereof in the production of adhesive composites.

Abstract: Aqueous polyurethane-polyurethane urea dispersions comprising a reaction product of: (i) an NCO prepolymer prepared from; (A) one or more di- or higher-functional polyols having a mean molecular weight of 400 to 5000 daltons, (B) optionally one or more di- or higher-functional polyol components having a molecular weight of from 62 to 399 daltons, (C) one or more compounds which are monofunctional within the scope of the isocyanate polyaddition reaction and have an ethylene oxide content of at least 50 wt. % and a molecular weight of at least 400 daltons, and (D) one or more di- or poly-isocyanate components; and (ii) a mixture (E) of primary and/or secondary monoamino compounds (E1) and primary and/or secondary diamino compounds (E2); wherein at least one of the amino compounds of the mixture (E) has a functional group selected from sulfonates and carboxylates; wherein mixture (E) has a mean amino functionality of 1.65 to 1.

Abstract: A method for removing liquid from a surface of a disc includes, rotating the disc article about an axis perpendicular to the disc's main surface, supplying liquid from a supply port, moved across the substrate towards the edge of the disc, onto the rotated disc, supplying a first gas flow through a first gas supply port onto the disc article to an area whose centre has a distance to the centre of rotational movement of not more than 20 mm, the area being covered with a liquid layer thereby opening the liquid layer at a discrete area, and supplying a second gas flow through a second gas supply port moved across the substrate towards the edge of the substrate onto the rotated disc wherein the distance of the second gas supply port to the centre is lower than the distance of the liquid supply port to the centre.

Abstract: The invention relates to aqueous dispersion adhesives based on a mixture of aqueous polyurethane or polyurethane-urea dispersions, to a process for their preparation, and to the use of the dispersion adhesives in the production of adhesive composites.

Abstract: Subassemblies are arranged in the interior of a closed housing. The housing has an air inlet via which air-conditioning air is guided into the interior of the housing. The housing contains a fan via which the air used for the air conditioning of the subassemblies is guided to the outside from the interior of the housing. In addition to a fan input opening, the fan has at least two fan output openings wherein a rotatably mounted screen is arranged in the interior of the fan. By variably adjusting the position of the screen, the air sucked in via the fan input openings is optically guided via at least one of the fan output openings.

Abstract: The invention relates to a toothpaste tube having a holding means (10, 12, 16, 20, 23, 24, 25, 27, 32) which is attached to it for holding at least one interdental toothbrush (13).

Abstract: A method for filling a storage tank with gaseous, pressurized hydrogen where a) liquid hydrogen, which is extracted from a storage tank, is compressed to an average pressure and is stored intermediately in a buffer tank; b) the boil-off gas accumulating in the storage tank is compressed and is stored intermediately in the buffer tank; c) a pressure compensation between the storage tank, which is to be filled, and the buffer tank is carried out initially for filling the storage tank and d) hydrogen from the buffer tank is compressed subsequently to the desired storage pressure and is supplied to the storage tank wherein this compression of the hydrogen and the compression of the boil-off gas are realized by means of one compressor or by means of two compressors.