Abstract:
The present invention relates to a thermoplastic moulding composition for the production of mouldings that can be metalized by a currentless and/or electroplating method, comprising, based on the total weight of components A, B, C, D and E, which gives a total of 100% by weight, a from 20 to 98% by weight of a thermoplastic polymer as component A, b from 1 to 30% by weight of carbon nanotubes as component B, c from 1 to 70% by weight of electrically conductive particles whose average particle diameter is from 0.01 to 100 µm as component C, d from 0 to 10% by weight of a dispersing agent as component D, and e from 0 to 40% by weight of fibrous or particulate fillers or mixtures of these as component E. The invention further relates to methods for the production of mouldings metalized by a currentless and/or electroplating method, to metalized mouldings, to the use of metalized mouldings, and also to electrically conducting components, EMI shielding systems, such as absorbers, attenuators or reflectors for electromagnetic radiation, and to gas barriers and decorative parts comprising these articles.
Abstract:
The invention relates to a method for producing electrodes for solar cells, the electrode being designed as an electrically conducting layer on a substrate (1) for solar cells. In a first step, a dispersion containing electrically conducting particles is transferred from a support (7) onto the substrate (1) by irradiation of the dispersion with a laser (9), and in a second step, the dispersion transferred onto the substrate (1) is dried and/or cured to form the electrically conducting layer.
Abstract:
Die Erfindung bezieht sich auf ein Rheometer mit einer rotierbaren Welle (1), an der eine Rotorplatte (2) befestigt ist und mit einer Messeinrichtung (10) zum Messen von während einer Rotation der Welle (1) durch eine zu untersuchende Substanz (6) auf die Rotorplatte (2) ausgeübten Drehmomenten, wobei zwischen einer ersten Seite (3) der Rotorplatte (2) und einer ersten Scherfläche (4) ein erster Messspalt (5) zum Aufnehmen der zu untersuchenden Substanz (6) ausgebildet ist und zwischen einer zweiten, der ersten entgegengesetzten Seite (7) der Rotorplatte (2) und einer zweiten Scherfläche (8) ein zweiter Messspalt (9) zum Aufnehmen der zu untersuchenden Substanz (6) ausgebildet ist. Das Rheometer enthält einen Magneten zum Erzeugen eines Magnetfeldes in den ersten und zweiten Messspalten (5, 9).
Abstract:
The invention relates to a method for producing polymer-coated metal foils, comprising the following steps: (a) a base layer (7) is applied to a carrier foil (3) by means of a dispersion (5) containing particles that can be electroless-plated or electroplated in a matrix material; (b) the matrix material is at least partially dried and/or at least partially hardened; (c) a metal layer (19) is formed on the base layer (7) by subjecting the base layer (7) containing the particles that can be electroless-plated or electroplated to an electroless plating or electroplating process; (d) a polymer (23) is applied to the metal layer (19). The invention further relates to a use of the polymer-coated metal foil produced according to the invention for manufacturing printed circuit boards.
Abstract:
The invention relates to a dispersion for applying a metal layer to an electrically non-conductive substrate containing an organic binder component, a metal component with different metals and/or metal particle shapes, and a solvent component. The invention further relates to methods for producing said dispersion, methods for creating an optionally structured metal layer with the aid of the dispersion, the obtained substrate surfaces, and the use thereof.
Abstract:
The invention relates to a method for producing alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids by esterifying (a) monoethylenically unsaturated carboxylic acids with (b) polyalkylene glycols which are closed on one side by terminal groups, in a substance in the presence of polymerisation inhibitors and esterification catalysts at temperatures of 160 DEG C at the most. The esterification is first carried out at atmospheric pressure or at pressures of up to 50 bar, the water produced during the esterification is then distilled from the reaction mixture at a pressure of between 10 and 500 mbar, and the esterification is then continued at atmospheric pressure or at pressures of up to 50 bar.
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstellung von Elektroden für Solarzellen, wobei die Elektrode als elektrisch leitfähige Schicht auf einem Substrat (1) für Solarzellen ausgebildet ist, bei dem in einem ersten Schritt eine elektrisch leitfähige Partikel enthaltende Dispersion von einem Träger (7) auf das Substrat (1) durch Bestrahlung der Dispersion mit einem Laser (9) übertragen wird und in einem zweiten Schritt die auf das Substrat (1) übertragene Dispersion zur Bildung der elektrisch leitfähigen Schicht getrocknet und/oder ausgehärtet wird.
Abstract:
The invention relates to a process for the recovery of metals from electronic components which comprise at least one full-area or structured metallic coating on a substrate, with the at least one full-area or structured metallic coating having at least one layer of a magnetic or magnetizable material, wherein the process comprises the following steps: (a) comminution of the electronic components, (b) separation of the materials of which the electronic component is made, with the parts containing the magnetic or magnetizable material being separated off by means of a magnet.
Abstract:
The invention relates to a device for electroplating at least one electrically conductive substrate (8), or an electrically conductive structure situated on a non-conductive substrate (8). Said device comprises at least one bath, an anode and a cathode (2). The bath contains an electrolyte solution, which comprises at least one metal salt and from which metal ions are deposited on electrically conductive surfaces of the substrate, as the cathode is brought into contact with the surface of the substrate to be coated and said substrate is conveyed through the bath. The cathode comprises at least one strip (2) with at least one electrically conductive segment (12) and is guided around at least two rotating shafts (3). The invention also relates to a method for electroplating at least one substrate that is carried out in a device according to the invention. According to said method, to produce the coating, the strip lies on the substrate and circulates at a speed corresponding to the speed at which the substrate is conveyed through the bath. The invention further relates to the use of said device for electroplating electrically conductive structures situated on an electrically non-conductive support.
Abstract:
The invention relates to a method for electrically contacting electrical components (122) on a carrier (110), said method comprising the following steps: (a) at least one dispersion (116) comprising electroconductive particles is applied in at least one region of the carrier (110); (b) at least one electrical component (122) is applied to the dispersion (116), and (c) the dispersion (116) is fully or partially metallised in a currentless and/or galvanised manner. The invention also relates to an electrical module (134) comprising at least one carrier (110) and at least one electrical component (122). The electrical component (122) is contacted on the carrier (110) using an inventive method. The invention further relates to a device for carrying out the inventive method, to a dispersion (116) for using in the inventive method, and to a use of said dispersion (116).