EP2216463A2 - Procédé d'application d'une masse de revêtement visqueuse durcissante - Google Patents
Procédé d'application d'une masse de revêtement visqueuse durcissante Download PDFInfo
- Publication number
- EP2216463A2 EP2216463A2 EP10152703A EP10152703A EP2216463A2 EP 2216463 A2 EP2216463 A2 EP 2216463A2 EP 10152703 A EP10152703 A EP 10152703A EP 10152703 A EP10152703 A EP 10152703A EP 2216463 A2 EP2216463 A2 EP 2216463A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- coating composition
- coating
- diameter
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/06—Implements for applying plaster, insulating material, or the like
- E04F21/08—Mechanical implements
- E04F21/12—Mechanical implements acting by gas pressure, e.g. steam pressure
Definitions
- the invention relates to a method for the mechanical application of a viscous, thermosetting coating composition to a substrate, in particular to an on-site mounted thermal insulation panel for producing a thermal insulation composite system. Furthermore, the invention relates to a coating system produced with the aid of the method according to the invention, for example for forming a plaster layer of a facade system, in particular a composite thermal insulation system.
- the usual structure of a thermal insulation composite system comprises an insulating layer consisting of thermal insulation panels and a plaster layer applied thereto, which in turn may consist of a reinforced primer coat and a decorative finishing coat as a topcoat.
- a viscous, hardening coating composition usually a cement-containing mortar mixture or an organically bound mass, is applied by machine to the insulating layer or the insulating boards.
- Spraying or spraying processes are generally used as application methods in which compressed air is used to convey and discharge the coating composition. So that the coating composition has a sufficient viscosity, it is mixed with water. From the time of adding water depends on whether one speaks of a dry or wet spraying method.
- a combination of dry and wet spraying method for applying a mixture of mortars for example, in the patent DE 101 13 785 C1 described.
- a dry mortar starting mixture is conveyed in a mixer arranged immediately in front of the sprayer, mixed in it with water, moved in a dense stream to the spray nozzle, wherein a sufficient humidification of the injection takes place, and then under pressure of compressed air introduced at the Applied application surface. It is intended, among other things, to ensure that the mass adheres better to the application surface and thus reduces rebound losses by sufficiently moistening the injection material. With a reduction of the rebound effect is also a low pollution of the adjacent components and the environment given.
- the material separated from the dense flow via the compressed air is divided and injected in particle form onto the application surface onto which the nozzle is directed. Rebound losses are usually unavoidable.
- the coating composition can also be applied in a strand-like manner, for example as a bead of material. The material applied as a bead is then distributed manually, for example by means of a trowel or trowel, by stripping, but this is time consuming and costly.
- the object of the present invention is to provide a method for the mechanical application of a viscous, grain-containing, hardening coating composition to a substrate, in particular for forming a plaster layer on a carrier plate,
- a thermal insulation board for the production of a thermal insulation composite system to specify are largely prevented in the rebound losses and concomitant other disadvantages.
- a further object of the invention is to provide a coating system which is simple and inexpensive to produce, for example for forming a plaster layer of a facade system, in particular a composite thermal insulation system.
- a method with the features of claim 1 is proposed.
- Advantageous developments are described in the subclaims.
- a coating system in particular a facade system, such as a thermal insulation composite system, with the features of claim 16 is also proposed.
- the advantages of the method according to the invention are, in particular, that the coating composition is sprayed on by spraying without compressed air, that is to say by the airless spray method.
- airless spraying occur compared to a job process that uses compressed air, due to a better focusable spray barely Nebulization or turbulence on. Measures to protect adjacent components and / or the environment from contamination can thus be largely eliminated. Since no air-accompanying stream is required for airless spraying, simply constructed and easy-to-handle devices without compressed air connection can be used to apply the coating compound. This has a favorable effect on working hours and production costs, among other things.
- the application according to the invention in at least two layers, for example a first layer serving as a bonding layer and a second layer serving as a reinforcing layer, improves the adhesion in the region of the boundary layers, so that excellent adhesion of the coating composition to the substrate is achieved.
- the rebound effect is thus significantly reduced, which in turn means that the area performance increases and material losses are reduced.
- the proposed method is particularly suitable for applying a plaster layer on a made of polystyrene plates, in particular of extruded polystyrene foam boards, existing thermal barrier coating for producing a thermal insulation composite system. Because of the elasticity of these insulation boards occur when using conventional machine application method, that is compressed air incipient method, usually high rebound losses. These can be largely avoided when using the method according to the invention.
- the method is not limited to this application. It can be used to apply a viscous, thermosetting coating on any surface.
- the substrate may be a carrier plate or a component surface.
- the inventive method for producing the first preferably serving as a bonding layer and the at least one further, preferably serving as a reinforcing layer layer Coating mass used in the same material composition.
- two successive layers are wet-wet processed. This eliminates drying times, ie waiting times, which has a favorable effect on the manufacturing costs.
- a nozzle is used for the production of the layers, whose opening for the discharge of the coating material has a diameter of 0.20 to 1.70 mm.
- the production of the layers can also be done using different nozzles.
- at least two nozzles are used whose opening diameters differ by at least 0.20 mm.
- a nozzle can be used, the opening of which is suitable for a particularly thin layer application of the coating material.
- the opening has a diameter of 0.20 to 0.80 mm, further preferably has a diameter of 0.40 to 0.60 mm.
- a nozzle is used with an opening whose diameter is at least 0.2 mm larger, that is a diameter of 0.40 to 1.70 mm, preferably a diameter of 0.60 to 1.20 mm.
- the first layer preferably serving as a bonding layer is applied in a layer thickness of less than 1.0 mm, more preferably in a layer thickness of significantly less than 1.0 mm, that is to say in a thickness in the micrometer range.
- the total thickness of the successive layers is preferably at least 1.0 mm, more preferably at least 1.5 mm. The less strong the total layer thickness, the lower the drying times.
- the discharge of the coating material takes place at a material pressure, which is to ensure a directed, uniform spray.
- the material pressure is generated by a pressure generating device such as a pump operated electrically, pneumatically or by an internal combustion engine.
- a pressure generating device such as a pump operated electrically, pneumatically or by an internal combustion engine.
- the coating composition is preferably discharged at a set machine pressure of the pressure-generating device, preferably a pump, from 80 to 250 bar.
- a set machine pressure usually ensures sufficient material pressure in the nozzle region of the spray device, so that a uniform job takes place.
- the machine pressure to be set depends decisively on the particular pressure generating device used. It also has an influence on how long the conveyor line of the injection molding material is. With an optimum setting of the machine pressure, the material pressure causes the coating material to be discharged at the nozzle opening to disintegrate or atomize into the smallest particles in order to be distributed uniformly on the application surface.
- the maximum particle size of the constituents of the coating composition is adapted to the nozzle and the respective diameter of the nozzle opening for discharging the coating composition and is preferably less than one third of the diameter of the nozzle opening.
- a reinforcement fabric serving as a spacer is preferably further inserted or pressed into the already applied coating composition whose thickness preferably corresponds to the minimum layer thickness.
- the applied coating composition is removed manually with the aid of a suitable tool, such as a trowel or trowel, over the inserted reinforcement fabric.
- a coating system for example for forming a plaster layer of a facade system, in particular a composite thermal insulation system, is further claimed, the under With the aid of the method according to the invention has been prepared.
- the advantages of the method according to the invention enable a simple and cost-effective production of such a coating system, in particular a facade system such as a thermal insulation composite system.
- Complex protective measures can thus be dispensed with, so that the process can be carried out in a time-saving and cost-effective manner.
- the advantages have a corresponding effect on the coating system according to the invention produced with the aid of this method.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009007913A DE102009007913A1 (de) | 2009-02-06 | 2009-02-06 | Verfahren zum Auftragen einer viskosen, aushärtenden Beschichtungsmasse |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2216463A2 true EP2216463A2 (fr) | 2010-08-11 |
EP2216463A3 EP2216463A3 (fr) | 2012-04-25 |
EP2216463B1 EP2216463B1 (fr) | 2016-01-06 |
Family
ID=42235319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10152703.4A Not-in-force EP2216463B1 (fr) | 2009-02-06 | 2010-02-04 | Procédé d'application d'une masse de revêtement visqueuse durcissante |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2216463B1 (fr) |
DE (1) | DE102009007913A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10113785C1 (de) | 2001-03-21 | 2002-12-12 | Inotec Gmbh | Verfahren zum Auftragen von Mörtel auf eine Auftragsfläche |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3957399A (en) * | 1975-03-20 | 1976-05-18 | Graco Inc. | Diaphragm pump |
US4304704A (en) * | 1981-01-16 | 1981-12-08 | Stonecote, Inc. | Thermal insulating material |
WO1983000520A1 (fr) * | 1981-07-30 | 1983-02-17 | Dow Corning | Systeme de toiture a base d'elastomere de silicone |
EP1182235A1 (fr) * | 2000-08-24 | 2002-02-27 | Rohm And Haas Company | Composition de revêtement extérieur, coulis et mastic pasteux |
EP1593659B1 (fr) * | 2004-05-04 | 2007-11-21 | Lafarge Platres | Procédé de réalisation d'un ouvrage, enduit de jointoiement et de surfaçage pour éléments de construction et son procédé de préparation |
US8012543B2 (en) * | 2005-11-04 | 2011-09-06 | Sika Technology Ag | Use and method for reduction of corrosion |
-
2009
- 2009-02-06 DE DE102009007913A patent/DE102009007913A1/de not_active Withdrawn
-
2010
- 2010-02-04 EP EP10152703.4A patent/EP2216463B1/fr not_active Not-in-force
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10113785C1 (de) | 2001-03-21 | 2002-12-12 | Inotec Gmbh | Verfahren zum Auftragen von Mörtel auf eine Auftragsfläche |
Also Published As
Publication number | Publication date |
---|---|
DE102009007913A1 (de) | 2010-08-19 |
EP2216463A3 (fr) | 2012-04-25 |
EP2216463B1 (fr) | 2016-01-06 |
DE102009007913A9 (de) | 2010-12-02 |
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