Abstract:
Disclosed is a method for printing wood material boards. The method includes: by a digital printing process, measuring color values of the wood material boards from at least one first batch and forwarding the color values to a computer program; measuring color values of the wood material boards from at least one further batch and forwarding the color values to the computer program; processing the color values of the wood material boards from the at least one further batch in the computer program and adapting the color values of the digital print; and printing at least one side of the wood material boards by means of digital printing technology, forming a decorative layer in such a way that no color deviations occur between the printed decorations of the wood material boards.
Abstract:
A method for producing a pattern, in particular a wood pattern, on the face of a woodbased-material board. The pattern is preset with the aid of a digital data set and applied to the woodbased-material board via an intaglio printing process. The pattern is covered with at least one synthetic resin layer and pressed with the woodbased-material board. The digital data set is used to produce a sample print by use of an inkjet printing process, which print is used to compare with the pattern print on the woodbased-material board in terms of optical appearance. The materials and/or printing conditions used in the pattern printing and the sample printing are coordinated with one another.
Abstract:
Disclosed is a method for printing a wood material board, in particular a wood fiber material board, by means of a digital printing process. The method includes the steps of (a) printing at least one side of a wood material board by means of digital printing technology, forming a decorative layer; (b) applying a protective layer containing at least one resin, at least one radiation-curable varnish and/or at least one polyurethane to the decorative layer of the wood material board; and (c) pre-drying and/or pre-gelling the protective layer applied to the decorative layer of the wood material board.
Abstract:
A method for producing a wood-fiber board, which has a pattern on the top, in that glued wood fibers are scattered at least one layer to form a fiber cake, and the fiber cake is subsequently compressed under pressure and temperature to form a board of the desired thickness, is characterized in that the pattern is applied to the fiber cake before compression. An installation for producing a wood-fiber board with a scattering device, by means of which a fiber cake comprising at least one layer of wood fibers glued with resin is scattered, and a conveyor device, which conveys the fiber cake in a process direction to a pressing device in which the fiber cake is pressed to form a board of the desired thickness, is characterized in that a printing device is arranged above the conveyor device between the scattering device and the pressing device.
Abstract:
The invention relates to a method for manufacturing a stabilized veneer without a carrier board, a stabilized veneer and a veneered board. In order to provide a method for manufacturing a veneer as well as a veneer, wherein the veneer is particularly stable and in particular has a particularly high mechanical stability against compressive loads, can be easily and safely processed as an intermediate product, has a particularly low veneer thickness and is thus particularly inexpensive to manufacture and still has a good real wood look and real wood haptic, it is provided that the method for manufacturing a stabilized and/or a rollable veneer without a carrier board has as method steps first a provision of a stabilization sheet, followed by a coating on one side, in particular a top side, of the stabilization sheet with a condensation resin, and subsequently a pressing of the stabilization sheet and the veneer layer to configure a stabilization layer by means of the condensation resin, wherein the condensation resin is at least partially pressed from the stabilization sheet into the veneer layer during pressing and leads there to a solidification or mechanical stabilization of the veneer.
Abstract:
The present invention relates to a method for determining the quantitative ratio of melamine-formaldehyde resin and urea-formaldehyde resin in at least one paper layer impregnated with a mixture of these resins, wherein the impregnation is carried out in a plant for impregnating at least one paper layer passing through the plant, comprising the steps Impregnating of several paper layers with resin mixtures, each with different quantitatively defined ratios of melamine-formaldehyde resin and urea-formaldehyde resin as reference samples; Recording of at least one NIR spectrum of each of the reference samples using at least one NIR measuring head in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, particularly preferably between 900 nm and 1700 nm, and especially advantageously between 1450 nm and 1550 nm; Correlating the different quantitative ratios of melamine-formaldehyde resin and urea-formaldehyde resin in the reference samples to the recorded NIR spectra of said reference samples; and Establishing a calibration model for the correlation between the spectral data of the NIR spectra and the associated quantitative ratios of melamine-formaldehyde resin and urea-formaldehyde resin of the reference samples by means of multivariate data analysis; Impregnating at least one paper layer with a resin mixture of melamine-formaldehyde resin and urea-formaldehyde resin; Recording at least one NIR spectrum of the impregnated paper layer using the at least one NIR measuring head in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, in particular preferably between 900 nm and 1700 nm and especially advantageously between 1450 nm and 1550 nm; and Determining the quantitative ratio of melamine-formaldehyde resin and urea-formaldehyde resin in the impregnated paper layer by comparing the NIR spectrum recorded for the impregnated paper layer with the calibration model created.
Abstract:
A composition for sealing/coating the edges of wood-fibre boards is provided. The composition includes at least one compound of general formula R1aSiX(4-a) (I), and/or their hydrolysis products. X is H, OH or a hydrolyzable group selected from alkoxy-, aryloxy-, and acyloxy-, R1 is an organic radical selected from the group including alkyl, aryl, and cycloalkyl, and R1 has at least one functional group Q1 selected from a hydroxy, amino, monoalkylamino, carboxy, mercapto, alkoxy, aldehyde, acrylic, acryloxy, methacrylic, methacryloxy, cyano, isocyano and epoxy group, and a=0, 1, 2, 3, The composition also includes at least one compound of general formula R2bSiX(4-b) (II), and/or their hydrolysis products. X has the above meaning, R2 is a non-hydrolyzable organic radical selected from alkyl, aryl, alkenyl, alkynyl, cycloalkyl, and cycloalkenyl, and b=1, 2, 3, or 4. The composition also includes at least one aqueous polymer dispersion.
Abstract:
Provided is method for producing a support material provided with at least one anti-fingerprint coating including the steps of applying at least one layer of at least one powdered resin to at least one side of the support material; melting on the at least one applied layer of the one powdered resin; applying at least one acrylate-containing dispersion to the melted-on resin layer; and drying and curing the layered structure.
Abstract:
The invention relates to a device for depositing veneers on a carrier board. In order to create a device and a method by which veneers can be applied to a carrier board particularly easily, quickly and precisely, provided in the region of an upper end of a transporting device is a veneer magazine, with at least two compartments which are designed to store and supply veneer strips, and with means for transferring the veneer strips from the compartments to the transporting device, wherein the transporting device extends from an upper end obliquely downwards in the direction of a lower end in the region of a transporting plane for the carrier board and is designed to transport at least two individual adjacent veneer strips from the upper end to the lower end and to deposit them on the carrier board.
Abstract:
The invention provides a method and an apparatus for adopting analogue decor templates in decor printing, including the similarity comparison between at least one of 1 to n hyperspectral digital reference images of the analogue decor template and at least one of 1 to n hyperspectral digital actual images of a substrate with decor. A decor-specific profile target is adjusted such that the digital template of the analogue decor template can be output on a substrate by way of an output medium in such a way that the colour deviation between at least one of 1 to n reference images of the analogue decor template and at least one of 1 to n actual images of the substrate with decor is below a specified target value.