Abstract: The present disclosure relates to a method for producing rigid polyurethane foam composite elements, including at least one outer layer and a rigid polyurethane foam layer, by mixing (a) polyisocyanates with (b) compounds having at least two hydrogen atoms reactive with isocyanate groups, (c) optionally flame retardant(s), (d) blowing agent, (e) catalyst, and (f) optionally auxiliaries and adjuvants to form a reaction mixture, applying the reaction mixture to the outer layer, and curing it to form the rigid polyurethane foam. The present disclosure further relates to a rigid polyurethane foam composite element obtainable by such a method.

Abstract: The present disclosure relates to a method for producing rigid polyurethane foam composite elements, including at least one outer layer and a rigid polyurethane foam layer, by mixing (a) polyisocyanates with (b) compounds having at least two hydrogen atoms reactive with isocyanate groups, (c) optionally flame retardant(s), (d) blowing agent, (e) catalyst, and (f) optionally auxiliaries and adjuvants to form a reaction mixture, applying the reaction mixture to the outer layer, and curing it to form the rigid polyurethane foam. The present disclosure further relates to a rigid polyurethane foam composite element obtainable by such a method.

Abstract: Provided herein is a facade for a building, made up of composite elements, the composite elements respectively having an inner cover layer, a polymer foam layer as the core and an outer metallic cover layer, and are fastened to a supporting structure. Each composite element has at least two fastening regions, in one fastening region the composite elements are immovably connected to the supporting structure and in the other fastening regions the composite elements are displaceably connected to the supporting structure, or the composite elements resting with the ground-facing side on a mounting and all fastening regions displaceably connected to the supporting structure.

Abstract: Provided herein is a facade for a building, made up of composite elements, the composite elements respectively having an inner cover layer, a polymer foam layer as the core and an outer metallic cover layer, and are fastened to a supporting structure. Each composite element has at least two fastening regions, in one fastening region the composite elements are immovably connected to the supporting structure and in the other fastening regions the composite elements are displaceably connected to the supporting structure, or the composite elements resting with the ground-facing side on a mounting and all fastening regions displaceably connected to the supporting structure.

Abstract: An apparatus for application of liquids to a continuously conveyed outer layer having a rotating plate which is horizontal and parallel to the outer layer or with a deviation of up to 15° from horizontal, wherein a liquid applied to the rotating plate is ejected centrifugally from the rotating plate via rotation and then, via gravity, passed onto the outer layer below the rotating plate, is provided.

Abstract: The invention relates to a device for applying liquid reaction mixtures to a cover layer, the cover layer being moved continuously and the liquid reaction mixture being applied to the cover layer, the device consisting of at least one pipe (a) which is preferably immovably arranged and which is provided with openings (b) in the direction of the cover layer, and which is mounted above the cover layer parallel to the cover layer plane and at a right angle to the direction of motion of the cover layer, the outer openings being located on the side of the pipe that is above the edge of the cover layer, at an angle of 1 to 50° in the direction of the edge of the cover layer. The invention further relates to the use of said device to produce composite elements and to apply liquid reaction mixtures to a cover layer.

Abstract: The invention provides a method for the production of composite elements composed of at least one outer layer a) and a thermal insulation material b), where between the outer layer a) and the thermal insulation material b) an adhesive c) has been applied, the outer layer a) being moved continuously, the thermal insulation material b) being applied to the outer layer a) and, if appropriate, a further outer layer a) being applied to the thermal insulation material b), and the adhesive c) being applied to the thermal insulation material b) or to the outer layer a), which comprises applying the adhesive c) by means of a rotating flat body which is mounted horizontally or with a slight deviation from the horizontal, of up to 15°, preferably parallel to the outer layer a) or to the thermal insulation material b).

Abstract: An apparatus for application of liquids to a continuously conveyed outer layer having a rotating plate which is horizontal and parallel to the outer layer or with a deviation of up to 15° from horizontal, wherein a liquid applied to the rotating plate is ejected centrifugally from the rotating plate via rotation and then, via gravity, passed onto the outer layer below the rotating plate, is provided.

Abstract: The invention relates to a process for production of composite elements composed of at least one outer layer a) and of an rigid isocyanate-based foam b), where between the outer layer a) and the rigid isocyanate-based foam b) an adhesion promoter c) has been applied, and where the outer layer a) is continuously moved and the adhesion promoter c) and the starting material for the rigid isocyanate-based foam b) are applied successively to the outer layer, which comprises applying the adhesion promoter c) by means of a rotating plate which has been installed horizontally or with a deviation of up to 15° from horizontal, preferably parallel to the outer layer.

Abstract: The invention relates to a method for the production of lightweight building boards comprising at least one outer layer and a core layer adhesively bonded to this, the adhesive being applied to at least one outer layer, wherein the application of the adhesive is effected by means of a rotating disk which is mounted horizontally or with a slight deviation of up to 15° from the horizontal, preferably parallel to the outer layer.

Abstract: The invention provides a method for the production of composite elements composed of at least one outer layer a) and a thermal insulation material b), where between the outer layer a) and the thermal insulation material b) an adhesive c) has been applied, the outer layer a) being moved continuously, the thermal insulation material b) being applied to the outer layer a) and, if appropriate, a further outer layer a) being applied to the thermal insulation material b), and the adhesive c) being applied to the thermal insulation material b) or to the outer layer a), which comprises applying the adhesive c) by means of a rotating flat body which is mounted horizontally or with a slight deviation from the horizontal, of up to 15°, preferably parallel to the outer layer a) or to the thermal insulation material b).

Abstract: The invention relates to a process for production of composite elements composed of at least one outer layer a) and of an rigid isocyanate-based foam b), where between the outer layer a) and the rigid isocyanate-based foam b) an adhesion promoter c) has been applied, and where the outer layer a) is continuously moved and the adhesion promoter c) and the starting material for the rigid isocyanate-based foam b) are applied successively to the outer layer, which comprises applying the adhesion promoter c) by means of a rotating plate which has been installed horizontally or with a deviation of up to 15° from horizontal, preferably parallel to the outer layer.