Abstract:
Films or plates made of a plastic mixture and capable of being metal-plated are disclosed, comprising, in relation to the total weight of components A, B, C and D, which add up to 100 % by weight: (a) 5-50 % by weight of a thermoplastic polymer as component A; (b) 50-95 % by weight of a metal powder having an average particle diameter ranging from 0.01-100 µm (determined by the method defined in the description), the metal having a more negative normal potential in an acid solution than silver, as component B; (c) 0-10 % by weight of a dispersant as component C; and (d) 0-40 % by weight fibrous or particulate fillers or their mixtures as component D. The elongation at tear of component A (determined by the method defined in the description) is 1.1-100 times higher than the elongation at tear of the plastic mixture comprising components A, B and optionally C and D (determined by the method defined in the description). The tensile strength of component A (determined by the method defined in the description) is 0.5-4 times higher than the tensile strength of the plastic mixture comprising components A, B and optionally C and D (determined by the method defined in the description). Also disclosed are thermoplastic moulding compounds for producing these films or plates that can be metal-plated, a granulate comprising these thermoplastic moulding compounds, stratified composite films or plates and mouldings comprising these films or plates, metal-plated polymer bodies comprising these films or plates, stratified composite films or plates and mouldings, processes for producing these objects, the use of these objects as EMI shieldings and absorbers, dampers or reflectors for electromagnetic radiation, oxygen scavengers, electroconducting components, gas barriers, and decorative elements comprising these objects.
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:
Dispersion for applying a metal layer on an electrically non-conductive substrate comprises an organic binder component (0.01-30 wt.%); a metal component (30-89.99 wt.%) containing a first metal with a first metal particle (0.01-99.99 wt.%) and a second metal with a second metal particle (99.99-0.01 wt.%); and a solvent component (10-69.99 wt.%); where the first metal and -particle and second metal and -particle are different from each other. Independent claims are included for: (1) a method for preparing the dispersion comprising mixing an organic binder component, a metal component containing a first metal with a first metal particle and a second metal with a second metal particle, a solvent component, dispersing agent, filler components and further components, and dispersing the obtained mixture; (2) preparation of metal layer on at least a part of an electrically non-conductive substrate comprising applying the dispersion on the substrate, drying the dispersion applied layer on the substrate and optionally de-energizing and/or galvanically separating the metal on the dried dispersion layer; and (3) a substrate surface comprising at least a partially electrical conductive metal layer.
Abstract:
The film or plate, which can be metalized, is a plastics mixture of four components. The tensile stretch of the thermoplastic polymer component is greater than the mixture including the metal powder, dispersant and filling components by a factor of 1.1-100.0. The tensile strength of the thermoplastic polymer component is stronger than the mixture by a factor of 0.5-4.0. The film or board is metalised by deposition in one or more layers. The plastics mixture (based on 100 weight%) comprises: (a) 5-50 weight% of a thermoplastics polymer; (b) 50-95 weight% of a metal powder with an average particle diameter of 0.01-100 microns and has a negative potential in acidic solution present a silver; (c) 0-10 weight% of a dispersant; and (d) 0-40 weight% of a fibre or particulate filler or mixture. INDEPENDENTLY CLAIMED are: (1) thermoplastic moulding formed from the film or plate; (2) granulate formed from the thermoplastics moulding; (3) bonded layered film or plate formed comprising the film or plate as covering layer and a substrate layer formed from one or more thermoplastic polymers; (4) Moulding comprising the film or plate or a bonded layered film or plate and a back sprayed, foamed, charged or compressed plastics carrier layer; (5) metallised moulding of the (bonded layered) film or plate and (component (b) containing layer, preferably of copper, chromium, nickel, silver and/or gold; (6) production of the film or plate and bonded layered film or plate by melt mixing and extrusion of the plastics mixture; (7) production of the metallised mouldings involving galvanisation or direct metallisation through vacuum deposition, irradiation/spraying or sputtering.
Abstract:
Dispersion for applying a metal layer on an electrically non-conductive substrate comprises an organic binder component (0.01-30 wt.%); a metal component (30-89.99 wt.%) containing a first metal with a first metal particle (0.01-99.99 wt.%) and a second metal with a second metal particle (99.99-0.01 wt.%); and a solvent component (10-69.99 wt.%); where the first metal and -particle and second metal and -particle are different from each other. Independent claims are included for: (1) a method for preparing the dispersion comprising mixing an organic binder component, a metal component containing a first metal with a first metal particle and a second metal with a second metal particle, a solvent component, dispersing agent, filler components and further components, and dispersing the obtained mixture; (2) preparation of metal layer on at least a part of an electrically non-conductive substrate comprising applying the dispersion on the substrate, drying the dispersion applied layer on the substrate and optionally de-energizing and/or galvanically separating the metal on the dried dispersion layer; and (3) a substrate surface comprising at least a partially electrical conductive metal layer.
Abstract:
Extruded film or plates comprises a metal- or mineral- haptic and optics obtained from a plastic mixture comprising (wt.%) thermoplastic polymer (5-50); particulate or fibrous inorganic filler (50-95); dispersant (0-10); and additives (0-40), where the tear elongation and the tensile strength of the polymer is 1.1-100 and 0.5-4 times, respectively, larger than the tear elongation of the mixture. Independent claims are included for: (1) a thermoplastic molding material for preparing (A); (2) granulates for the thermoplastic molding material; (3) a foil layer or plate comprising (A), surface layer and at least one substrate layer obtained from thermoplastic polymers; (4) a molded part comprising (A), foil layer, plate, rear spray, rear foam or rear pressed carrier layer of plastic; (5) a method for preparing (A); (6) a method for the preparation of foil layer or plate comprising melting the layer foils or plates with one another by a coextrusion process; (7) a method for the preparation of the molded part comprising inserting rear tool, rear spray, rear mold or rear press of thermoplastic mold; or rear layer or rear press of duroplastic molding material in (A) and layer foil or plate by hot molding process; and (8) a decorative or functional parts comprising (A), foil layers or plates, and molded parts.
Abstract:
The film or plate, which can be metalized, is a plastics mixture of four components. The tensile stretch of the thermoplastic polymer component is greater than the mixture including the metal powder, dispersant and filling components by a factor of 1.1-100.0. The tensile strength of the thermoplastic polymer component is stronger than the mixture by a factor of 0.5-4.0. The film or board is metalised by deposition in one or more layers. The plastics mixture (based on 100 weight%) comprises: (a) 5-50 weight% of a thermoplastics polymer; (b) 50-95 weight% of a metal powder with an average particle diameter of 0.01-100 microns and has a negative potential in acidic solution present a silver; (c) 0-10 weight% of a dispersant; and (d) 0-40 weight% of a fibre or particulate filler or mixture. INDEPENDENTLY CLAIMED are: (1) thermoplastic moulding formed from the film or plate; (2) granulate formed from the thermoplastics moulding; (3) bonded layered film or plate formed comprising the film or plate as covering layer and a substrate layer formed from one or more thermoplastic polymers; (4) Moulding comprising the film or plate or a bonded layered film or plate and a back sprayed, foamed, charged or compressed plastics carrier layer; (5) metallised moulding of the (bonded layered) film or plate and (component (b) containing layer, preferably of copper, chromium, nickel, silver and/or gold; (6) production of the film or plate and bonded layered film or plate by melt mixing and extrusion of the plastics mixture; (7) production of the metallised mouldings involving galvanisation or direct metallisation through vacuum deposition, irradiation/spraying or sputtering.
Abstract:
A method for the production of metallised textile sheet (I) involves (A) printing the textile with a formulation containing at least one metal powder (a) with a greater negative standard potential than hydrogen in the electrochemical displacement series, (B) subjecting the fabric to thermal treatment in one or more stages and (C) depositing another metal on the fabric. Independent claims are included for (1) metallised textile sheet (I) obtained by this method (2) heatable textiles, textiles which convert electricity into heat, textiles which can screen electric fields, textile-integrated electronics and RFID textiles made from (I) (3) printing formulations containing metal powder (a), binder(s) (b), emulsifier(s) (c) and optionally rheology modifier(s) (d) (4) a method for the production of such formulations by mixing the components .
Abstract:
A method for the production of metallised textile sheet (I) involves (A) printing the textile with a formulation containing at least one metal powder (a) with a greater negative standard potential than hydrogen in the electrochemical displacement series, (B) subjecting the fabric to thermal treatment in one or more stages and (C) depositing another metal on the fabric. Independent claims are included for (1) metallised textile sheet (I) obtained by this method (2) heatable textiles, textiles which convert electricity into heat, textiles which can screen electric fields, textile-integrated electronics and RFID textiles made from (I) (3) printing formulations containing metal powder (a), binder(s) (b), emulsifier(s) (c) and optionally rheology modifier(s) (d) (4) a method for the production of such formulations by mixing the components .
Abstract:
Preparation of metal-plated, extruded plastic comprises: melt blending and extrusion of a plastic mixture (comprising: thermoplastic polymer (A); metal powder (B) having an average particle diameter of 0.1-100 mu m and more negative normal potential in acid solution than silver; dispersant (C); and fibrous/particulate fillers or their mixture (D)); and contacting the extruded plastic object with an acid, neutral or basic metal salt solution through electrolessly or galvanically. Preparation of metal-plated, extruded plastic comprises: melt blending and extrusion of a plastic mixture (comprising 100 wt.% of the components related to the total weight: 5-50 wt.% of thermoplastic polymer (A); 50-95 wt.% of metal powder (B) having an average particle diameter of 0.1-100 mu m and more negative normal potential in acid solution than silver; 0-10 wt.% of dispersant (C); and 0-40 wt.% of fibrous/particulate fillers or their mixture (D)); and contacting extruded plastic object with an acid, neutral or basic metal salt solution through electrolessly or galvanically brought into contact , that metal having a more positive normal potential in a correspondingly acid, neutral or basic solution than component (B), where the plastic object is surface-activated in the non-molten state after the melt blending and extrusion step and before the contacting step. An independent claim is included for a metal-plated, extruded plastic object obtained by the process.