摘要:
The invention relates to a composition for printing electrodes on a substrate, comprising 30 to 90% by weight of electrically conductive particles, 0 to 7% by weight of glass frit, 0.1 to 5% by weight of at least one absorbent for laser radiation, 0 to 8% by weight of at least one matrix material, 0 to 8% by weight of at least one organometallic compound, 3 to 50% by weight of water as a solvent, 0 to 65% by weight of at least one retention aid and 0 to 5% by weight of at least one additive, based in each case on the total mass of the composition. The invention further relates to a use of the composition.
摘要:
In a method for printing substrates with a printing ink and/or a printing varnish at least comprising solvents and binders, at least one of the binders comprises a polyetheramine polyol.
摘要:
Electrically conductive, magnetic composite material, comprising (A) pulverulent, inorganic, magnetic material which is electrically not or only poorly conductive, and (B) an electrically conductive material, selected from the group consisting of pulverulent and liquid carbon-comprising organic materials and pulverulent carbon allotropes, in a ratio by weight of (A):(B)=from 1:100 to 100:1; a process for its production, and its use, and also ferrimagnetic mixed oxide (A) of the general formula I: M″M′″O4 (I), in which M″ is a first metal component which comprises divalent metal cations; and M′″ is a second metal component which comprises trivalent metal cations; capable of production by reacting, in a quantitative ratio such that the resultant ferromagnetic mixed oxide (A) is electrically neutral, divalent metal cations M″ and trivalent metal cations M′″ in aqueous solution and/or dispersion, comprising at least one electrically conductive material (B) and/or at least one material which differs therefrom and which is a binder (C) which dries physically or else is crosslinkable thermally and/or by actinic radiation.
摘要:
The invention relates to a process for producing electrically conductive bonds between solar cells, in which an adhesive comprising electrically conductive particles is first transferred from a carrier to the substrate by irradiating the carrier with a laser, the adhesive transferred to the substrate is partly dried and/or cured to form an adhesive layer, in a further step the adhesive is bonded to an electrical connection, and finally the adhesive layer is cured. The invention further relates to an adhesive for performing the process, comprising 20 to 98% by weight of electrically conductive particles, 0.01 to 60% by weight of an organic binder component used as a matrix material, based in each case on the solids content of the adhesive, 0.005 to 20% by weight of absorbent based on the weight of the conductive particles in the adhesive, and 0 to 50% by weight of a dispersant and 1 to 20% by weight of solvent, based in each case on the total mass of the undried and uncured adhesive.
摘要:
The invention relates to a process for producing electrodes for solar cells, the electrode being configured as an electrically conductive layer on a substrate (1) for solar cells, in which, in a first step, a dispersion comprising electrically conductive particles is transferred from a carrier (7) to the substrate (1) by irradiating the dispersion with a laser (9) and, in a second step, the dispersion transferred to the substrate (1) is dried and/or hardened to form the electrically conductive layer.
摘要:
In a method for printing substrates with a printing ink and/or a printing varnish at least comprising solvents and binders, at least one of the binders comprises a polyetheramine polyol.
摘要:
Liquid printing inks for flexographic and/or gravure printing comprise solvents, colorants, if required additives, and, as a binder, at least one hyperbranched polymer having functional groups. Printing lacquers for priming unprinted print media or overcoating printed print media comprise solvents, if required additives, and, as a binder, at least one hyperbranched polymer having functional groups. Such hyperbranched polymers are used for the preparation of printing inks and of printing lacquers.
摘要:
The invention relates to a device for the electrolytic coating of at least one electrically conductive substrate (8) or a structured or full-surface electrically conductive surface on a nonconductive substrate (8), which comprises at least one bath, one anode and one cathode (1), the bath containing an electrolyte solution containing at least one metal salt, from which metal ions are deposited on electrically conductive surfaces of the substrate to form a metal layer while the cathode is brought in contact with the surface to be coated of the substrate and the substrate is transported through the bath. The cathode comprises at least one band (2) having at least one electrically conductive section (12), which is guided around at least two rotatable shafts (3). The invention furthermore relates to a method for the electrolytic coating of at least substrate, which is carried out in a device according to the invention, the band resting on the substrate for the coating and being circulated with a circulation speed which corresponds to the speed with which the substrate is guided through the bath. Lastly, the invention also relates to a use of the device according to the invention for the electrolytic coating of electrically conductive structures on an electrically nonconductive support.
摘要:
The invention relates to a composition for printing electrodes on a substrate, comprising 30 to 90% by weight of electrically conductive particles, 0 to 7% by weight of glass frit, 0.1 to 5% by weight of at least one absorbent for laser radiation, 0 to 8% by weight of at least one matrix material, 0 to 8% by weight of at least one organometallic compound, 3 to 50% by weight of water as a solvent, 0 to 65% by weight of at least one retention aid and 0 to 5% by weight of at least one additive, based in each case on the total mass of the composition. The invention further relates to a use of the composition.
摘要:
The invention relates to a process for producing electrically conductive bonds between solar cells, in which an adhesive comprising electrically conductive particles is first transferred from a carrier to the substrate by irradiating the carrier with a laser, the adhesive transferred to the substrate is partly dried and/or cured to form an adhesive layer, in a further step the adhesive is bonded to an electrical connection, and finally the adhesive layer is cured. The invention further relates to an adhesive for performing the process, comprising 20 to 98% by weight of electrically conductive particles, 0.01 to 60% by weight of an organic binder component used as a matrix material, based in each case on the solids content of the adhesive, 0.005 to 20% by weight of absorbent based on the weight of the conductive particles in the adhesive, and 0 to 50% by weight of a dispersant and 1 to 20% by weight of solvent, based in each case on the total mass of the undried and uncured adhesive.