RU141394U1 - DECORATIVE ELEMENT - Google Patents

Abstract

A decorative element containing a base of cement-containing material with a front surface and a rear surface located on opposite sides of the base, the first layer, the first layer being located on the front surface and made of polymer powder powder, melted on the base, characterized in that the first layer is placed the second layer made of sublimation paint by its sublimation transfer from the auxiliary removable layer, which is located near the second layer, when heated and lowered constant pressure.

Description

Technical field

The utility model relates to building materials, in particular to decorative materials used for exterior and interior decoration - walls, ceiling, floor, roofs, building facades and other surfaces.

State of the art

A device is known - facing element, patent of the Russian Federation 123044, published on 12.20.2012. The cladding element contains a base. The base comprises a first surface, a second surface and side surfaces. A metal layer is deposited on the second surface of the substrate by means of a high-speed gas-thermal coating spraying device. The metal layer is formed by melting the primary metal and then bombarding the base with particles of molten primary metal in a gas stream. The first layer of powder paint is applied to the metal layer. A second layer of powder paint is applied to the first surface of the substrate. A third layer of powder paint is applied to the side surfaces of the substrate. The first layer of powder paint, the second layer of powder paint and the third layer of powder paint are applied in an electrostatic field. To apply the first layer of powder paint, the second layer of powder paint and the third layer of powder paint in an electrostatic field, a grounding device is connected to the metal layer. A high voltage electric field (60-140 kV) is created between the grounded metal layer and the spray device, which is also a corona electrode with a high negative potential. Particles of powder paint passing under the action of compressed air energy through the atomizer receive a negative electric charge from an external source, for example, from a corona electrode. Atomized charged particles move along the electric field lines from the electrostatic atomizer to the base with a metal layer deposited on it. Under the influence of electrostatic forces, the particles of powder paint are attracted to the surface of the metal layer and are arranged in uniform layers on it. If necessary, a dye layer is applied to the first layer of powder paint and / or to the second layer of powder paint and / or to the third layer of powder paint.

The disadvantages of the known technical solution are the complexity of the manufacturing technology due to the application of several layers on the surface of the substrate, including the metal layer, as well as the low stability of the powder paint layer, due to the fact that the metal layer oxidizes over time and the oxidation film leads to the destruction of the powder paint layer.

The closest technical solution (prototype) is a method of coating a product of fiber cement, RF patent 2481900, published 05/20/2013. As a result of the implementation of this method receive the following device. The device is made in the form of a plate of fiber cement. A protective and decorative coating is applied to the painted surfaces of the device. Powder polyester paint is used as the coating material. The paint is applied by pneumoelectric spraying at a temperature of 15-30 ° C and a humidity of not more than 80%. The charge of paint particles can be carried out both from a high voltage source, and using the triboelectric effect. The polymerization of the coating is then carried out by heating the coated device in an oven to a temperature of 130-155 ° C. At this temperature polymerization, the molecules of the polyester paint interact with gaseous organic secretions from fiber cement. Polymerization time not less than 2 minutes.

The disadvantage of the prototype is the low stability of the powder paint layer, due to the fact that moisture accumulates in the pores of the powder paint over time, which leads to the destruction of the powder paint layer.

The technical result of the proposed utility model is to increase the stability of the layer of powder paint.

This goal is achieved due to the fact that in a decorative element containing a base with a front surface and a rear surface located on opposite sides of the base, the first layer, and the first layer is located on the front surface and is made of powder polymer paint, fused on the base, on the first the layer contains a second layer made of sublimation paint by its sublimation transfer from the auxiliary removable layer, which is located near the second layer, when heated and reduced m pressure.

Brief Description of the Drawings

A utility model is illustrated in the drawing, which shows a General view of the device.

Utility Model Disclosure

The figure indicates: base 1, front surface 2, rear surface 3, first layer 4, second layer 5, third layer 6.

The device contains a base 1. The base 1 is, as a rule, a flat element (blank of the manufactured building decorative element). The base 1 can be made of any shape, in the particular case, the base is made in the form of a rectangular plate. The base comprises a front surface 2 and a rear surface 3. The front surface 2 and a rear surface 3 have a larger area than other surfaces of the base 1 and are located opposite to each other. The device is fixed with the back surface 3 to the elements closed by this device.

The base 1 can be made of any solid dielectric material, i.e. material that is not conductive or conducts poorly electric current. Base 1 can be made of cement-containing material with fillers, for example, fiber cement, asbestos cement, cement-bonded material (example - URL: http://ru.wikipedia.org/wiki/%D0%A6%D0%B5%D0 % BC% D0% B5% D0% BD% D1% 82% D0% BD% D0% BE-% D1% 81% D1% 82% D1% 80% D1% 83% D0% B6% D0% B5% D1% 87% D0% BD% D0% B0% D1% 8F_% D0% BF% D0% BB% D0% B8% D1% 82% D0% B0, (accessed 08/19/2013)), made of glass-cement material (example - URL : http://remstroyplyus.ru/steklocement.html, (accessed 08.19.2013)). The base can also be made of magnesia cement with a filler, for example of glass-magnesium material (example - URL: http://ermak.buryatia.ru/sml.html, (accessed 08.19.2013)). Also, the base can be made of gypsum-containing material with a filler, for example, of gypsum-based material (for example, URL: http://www.nekludovo.ru/publ/gipso_struzhechnajajlita_gsp_sovremermyj_stroitelnyj_material_dlja_vnutrennej_otdelki_polya.2013_p )

The base 1 can be coated with the first layer 4 made of polymer powder paint (polymer powder paint is a widely used material - URL: http: //www.xumuk.rij/encyklopedia/2/3647.html, (accessed 08.16.13) ) Depending on the tasks performed, the front surface 2 (when using the device indoors) or all surfaces of the base 1 (for external use of the base) can be coated with the first layer 4. Powder paint is applied by electrostatic spraying using a manual or automatic spray device. When using the tribo effect, the paint particles acquire an electric charge inside the spray device and are attracted to the painted surface of the grounded base 1 by means of electrostatic field forces (created between the spray gun and the base 1 or resulting from the electrification of the paint particles and grounding of the base) (URL: http://polma.com .ua / technology.html, (accessed August 16, 2013)).

The second layer 5 is a paint layer, obtained by transferring the coloring matter from the third layer 6 to the first layer 4 by thermal vacuum sublimation followed by removal of the third layer 6. The third layer 6 is made of a special film (or paper), on which the second layer 5 is initially applied , for example, through printing. The second layer 5 is made of special paint (for example, from sublimation paint or ink, example http://www.inksystem.biz/ink/sublimation/ (accessed 08.21.2013)), which, under the influence of temperature, can change from solid to gaseous state, bypassing the liquid state. The transfer of the second layer 5 from the third layer 6 to the first layer 4 is performed under the action of high temperatures, i.e. due to the heating of these layers together (complete) with the transition of the particles of the paint of the second layer 5 from a solid state to a gaseous state, subsequent contact with the first layer 4, penetration into the first layer 4, communication with the polymer particles of the first layer 4, and transition to the reverse solid state .

The first layer 4, the second layer 5 and the third layer 6 are conventionally shown in the drawing. The thickness of the first layer 4, the second layer 5 and the third layer 6 is significantly less than the thickness of the base.

Utility Model Implementation

The utility model is implemented as follows. The base 1 is made, for example, by cutting, molding and other possible methods. The front surface 2 and, depending on the task to be performed, other surfaces of the base 1 are prepared for applying the first layer 4, for example, they are cleaned and degreased.

The prepared base 1 is placed with the possibility of applying powder paint only on the front surface 2, or on all surfaces of the base 1. Provide an electrical connection (for example, a conductor) of the base part 1 to the grounding device.

Powder paint is applied to the surface by means of a spray device, while the particles of paint inside the spray device acquire an electric charge. During electrostatic spraying, particles of paint receive a charge from an external source of electricity, for example, a corona electrode. When electrified by friction (triboelectrification), the particles of paint acquire a charge when they interact with each other and with the internal charging surface of the pipe (or gun) of the spray device. Sprayed charged paint particles move along the direction of the electric field lines from the spraying device to the grounded base 1. Under the influence of electrostatic forces, the paint particles are attracted to the surface of the base 1, on which powder paint is applied, and are evenly placed on it, forming the first layer 4.

The applied first layer 4 is subjected to reflow. The base 1 with the first layer 4 applied is placed in special technological furnaces or heated with a directed hot air stream. As a result of heating, the particles of powder paint are melted, which ensures a more dense connection of the particles of paint with particles of the material from which the base 1 is made.

The second layer 5 is a layer of special paint (for example, sublimation paint, ink), which, under the influence of temperature, can change from a solid to a gaseous state, bypassing the liquid state. Such ink is applied by means of a special printer (for example, a sublimation printer) suitable for a specific task. The second layer 5 is applied to the third layer 6, made of special paper or film. The third layer 6 (also referred to as the auxiliary layer hereinafter) is applied to the first layer 4 with a surface covered by the second layer 5. The third layer 6 can come into close contact with the first layer 4 in various ways, for example, by means of reduced pressure (vacuum). A vacuum is provided, for example, by a vacuum pump, removing air between the third layer 6 and the first layer 4. The base 1, with the layers deposited on its surface, is subjected to high temperature and pressure, ensuring the implementation of the process of sublimation of the paint from which the second layer 5 is made. In this case, the particles of the sublimation paint transfer from a solid state to a gaseous one and penetrate into the first layer 4. Vapors of the sublimation paint interact with the polymers of the first layer 4 (polymer powder paint) and transform but in the solid state. The base 1 with the layers applied to it is cooled. The third layer 6 is removed. Sublimation paint can penetrate into the first layer 4 at 60-70 microns and thus does not wear off during operation of the product. The deep penetration of the sublimation paint layer (second layer 5) into the powder paint layer (first layer 4) ensures the resistance of the obtained layers to mechanical stress and detergent compositions.

Thus, the implementation of the device with the first layer 4 and the second layer 5 improves the stability of the powder paint layer by applying to the first layer 4 (powder paint layer) a second layer 5 (sublimation paint layer), particles of which fill the pores of the first layer 4, preventing moisture, thereby preventing the first layer 4 from collapsing. Also, the application of the second layer 5 on the first layer 4 provides an increase in the adhesion of powder paint particles with the base material 1.

Claims (1)

A decorative element containing a base of cement-containing material with a front surface and a rear surface located on opposite sides of the base, the first layer, the first layer being located on the front surface and made of polymer powder powder, melted on the base, characterized in that the first layer is placed the second layer made of sublimation paint by its sublimation transfer from the auxiliary removable layer, which is located near the second layer, when heated and lower pressure.

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