WO2013179192A1

WO2013179192A1 - Coating compound, substrate for application to surfaces together with a binder and method for producing a coating compound for reducing or preventing the formation of mildew

Info

Publication number: WO2013179192A1
Application number: PCT/IB2013/054272
Authority: WO
Inventors: Hardy SCHULZE
Original assignee: Schulze Hardy
Priority date: 2012-06-01
Filing date: 2013-05-23
Publication date: 2013-12-05
Also published as: DE102012104769A1; DE112013002766A5

Abstract

The invention relates to a coating compound for layer-like application to surfaces, consisting of at least one binder and a colour pigment introduced into the binder. According to the invention, in addition to the binder, flowable, pasty or liquid insulating material with a particle size of about 0.01-5 mm is added. Furthermore, a method for producing such a coating compound is provided. In addition, a substrate for application to surfaces together with a binder is described.

Description

Paint, substrate for application together with a binder

Surfaces and methods of making a paint to reduce or prevent the formation of mold

description

The present invention relates to a paint suitable to be applied to a surface such as a wall or a ceiling. The paint has a binding substance in which the

corresponding color particles are added. The paint is characterized by the preamble of claim 1. The substrate is characterized by the preamble of claim 3 and the method is characterized by the preamble of claim 4.

State of the art

Paints consisting of binders with color components are known in the prior art in various embodiments. They usually have a binder which can be applied to a wall by means of a roller, a brush or even a spray gun or similar devices. By doing

Binder provided color particles give the object the corresponding visual but also the decorative impression.

Such paints are usually required for painting indoors in houses, apartments or office buildings.

However, the building envelopes such premises are already optimally isolated today. At a room temperature of 1 8-20 degrees Celsius prevails within the Room an optimal living environment. According to DIN 41 08-2, the minimum requirements for the structural measures in relation to the

Thermal insulation to prevent mold formation, defined as the relative humidity at the surface of the wall or ceiling max. 80% may be. This results in a surface temperature of at least

1 2.8 degrees Celsius with a corresponding standard climate, the standard climate with an internal temperature of 20 degrees Celsius at 50% humidity and an outside temperature of -5 degrees Celsius with a heat transfer resistance of 0.25 m2K / W is set.

Thus, it is a size that brings with it the possibility, in particular, to compare the surface temperatures of the inner walls with different ventilation and heating constellations. However, especially in older and poorly insulated houses remain the

Surfaces of the outer walls are also cold inside and thus become moist. If the premises are at least not heated to 20 degrees Celsius or more, the result is a relative humidity, which is certainly greater than 60%. This in turn means that the outer walls, in particular in the region of the windows, so that forms on the inner walls, especially in the window, soffits and condensation. This creates excessive moisture that can not be removed. The danger of

Mold is given. There are different types of molds. They are not only

unsightly, but they smell musty and they can be with people

Health effects such as eye burning, irritation of the respiratory tract or even trigger allergic reactions. If mold coverings are discovered, they are therefore removed. But it is also important to identify the corresponding causes in order to eliminate them in particular, in order then to prevent re-mold from occurring. Particularly moldy are rooms on building corners and window reveals, in which so-called thermal bridges are present. Especially in such places, such as building corners or window reveals, the outer building surfaces are much larger than those in the interiors.

This relatively large heat cools the ceiling. Provided

Cabinets, upholstery, furniture or even bookcases in such corners or even curtains cover the window reveals partially to the ground, prevents the air can circulate freely. The danger of mold growth is given.

If mold is created, antidotes are used which allow easy disposal. Such antidotes may be chemical or biological in nature. They are usually sprayed on or in liquid form

applied to remove the mold. However, since the technical-physical problem is not resolved, the mold will occur again and again.

In general, in addition to consistent ventilation and better air supply in the rooms, as well as control of the relative humidity is recommended to insulate the inner walls accordingly, so that the relative humidity is significantly lower and so mold growth is thus avoided.

But due to the given design training, especially in window areas, it is often not possible that insulation boards are attached.

Especially since it seems to be disproportionate that when in a room corner mold occurs, the entire two mutually abutting walls must be designed with insulation boards. This leads to considerable costs and questions the efficiency of such an implementation. In order to avoid further mold infestation and also to increase living comfort, an interior coating under the product name ThermoVital is known from the prior art. ThermoVital is an agent that can be applied to surfaces such as plaster, concrete, wood, metal or wallpaper. ThermoVital contains ingredients that deactivate mold toxins and their allergens on the wall. Thus, this product has a disinfecting potential and is therefore of a chemical nature. It is an active ingredient that can be applied directly to surfaces to prevent mold fungus formation, at least in its initial stages. However, this ingredient is also applied to the wall. If it is white walls, so the order range of this drug due to the impregnation of the wall, especially if it is a concrete wall or a Raufasertapete be recognized. In addition, the active ingredient prevents only the initial mold growth. If the active ingredient is exhausted, then a further protective effect is no longer available and he can form mold again.

Also from the prior art, a simple mold remediation in wall and room corners is explained. In the document of Dr.-Ing. Alfred Seilfried (www.schimmelpilz-sanieren.de) is a parameter study with geometrically modified wall corners, in particular of chamfers and lining of the inner corners described, with the effect that thus significantly the

Wall temperature is increased in the corner. By increasing it will

Mold risk significantly reduced. Light to medium cases of mold damage can be remedied by such a feeding by a plasterer. If the insulating corner pieces in the wall at least partially embedded, the temperature of the continuous wall can be further increased. As a result, the risk of mold in the corners is almost completely eliminated. The author has recognized the problem of mold fungus formation by stating that there are so-called geometric wall bridges in the wall and room corners. These are especially noticeable when there are mold fungi as black spots. These form at the places where the

Surface temperature is lower than in the continuous wall parts. Depending on Relative humidity and movement conditions of the room air (related to the microclimate in the room) can lead to dew point undercuts at these locations. This has the consequence that the wall surface can become moist and thus mold is created. However, the previously known from the prior art proposals for action are not sustainable, since they basically do not eliminate the cause.

From DE 23 51 820 an insulating adhesive-sealing putty is known. This composition is characterized by the fact that, in addition to the basis, it also contains commercial dispersions, plasticizers, pigments, fillers, stabilizers

Substances, additives and additives additionally comprises small-particle foam granules. Through the use of different foam granules with different diameters in various forms and different bed weights one is thus able to adjust depending on the desired processing consistency, the insulating adhesive-sealer putty resistant to self-leveling.

However, such masses must be applied flat, so that they are equal to a plasterer work. They are similar to the application of appropriate thermal insulation panels, so not only the critical areas are covered, but also the uncritical in itself. However, this creates new problems again, as the surface temperature of the wall at the end of the insulation falls abruptly again. Here too arise

Underruns of dew points and mold can occur again.

In addition, such a mass can not be rolled up or painted simply because the foam granules stick to the rollers and can not be transferred to the wall. The foam granules can not be homogeneously distributed in the mass, so that no uniform distribution in the insulating layer, even if it is applied with appropriate application means, is possible. From DE 20 2008 003 235 U 1 an aqueous filler is known in particular for internal insulation. The aqueous filler, which cures at normal room temperature, is characterized by corresponding

Volume percent of binders, heavy fillers, light fillers and waters, wherein the binder contains resin or rosin ester. As light fillers hollow spheres of glass, ceramic or plastic, fibers of cellulose or plastic, powder of plastic or rubber powder, pumice, diatomaceous earth, perlite or cork powder or the like are provided. The fillers are selected such that both fissured and irregular and smooth, round particles are used in such proportion that the various particles interlock. By means of the resinous substance causes the fillers are sticky and adhere to the substrate. The application of such a sticky mass is very complex and requires sufficient knowledge or experience. In addition, resins evaporate, thereby changing the indoor climate. Since the surface is processed in such a way that a specific substrate is formed, it is usually no longer possible to coat with normal emulsion paint.

Object of the invention

The object of the invention is to provide a brushing agent, substrate and method, by means of which, at least in the area of local areas, in particular in the region of the corners of an interior of a dwelling or in the region of the windows, the surface temperature of the inner wall relative to the remaining wall at least slightly increased becomes .

Solution of the task

The solution of the object is provided by the features of claim 1 or claim 3 or claim 4. Advantages of the invention

The basic idea of the invention is to provide a paint which is suitable for application to the surface. This paint has a binder, is introduced in the giant-shaped or pasty insulating material. This mixture of the binder and the corresponding molded insulating material, in combination with the predetermined in the binder colorant particles, allows the possibility of a simple paint, for example by means of a roller or a brush or even depending on the viscosity of the paint a spray gun, Apply insulating material in relatively thin layers on the wall or on the ceiling, especially indoors.

The insulating material is preferably made of elements with not clear

structured and shaped outer contours. The unstructured outer shape has the effect that, in the case of the application, in particular by means of rollers, a dispensing is effected from the roller, so that adhesion to the binder takes place and application to the wall is possible. Become for example spherical

Insulating materials used as structures, so they float in the

Disperse paint on and therefore can not be evenly distributed. In addition, it has been shown that particularly uniformly structured shapes can not be unrolled from the roll.

The invention is a very low cost embodiment that very effectively alters critical indoor areas prone to mold growth.

The change by applying the paint is achieved by insulating material is provided in the paint, by means of which the

Surface temperature of the wall is increased. Mold growth occurs especially at surface temperatures on the walls and ceilings to about 1 2.6 degrees Celsius. By applying the paint this is

Surface temperature shifted to a higher range, so at least for the mold is in difficult physical conditions to form or spread. Preferably, mold formation is thereby completely avoided. Even with a first coat of paint, the surface temperature can be changed compared to the remaining surface temperature within the interior. This can advantageously locally a corresponding change

be brought about without changing the decorative impression of the rest of the room, as is customary by applying insulating materials, such as plates or the like. With the latter means would be such

Adaptation not possible.

If it is recognized that the shift of the surface temperature is still insufficient, then it is possible with one more or one still

subsequent third painting to make the corresponding change.

Depending on the nature and condition of the wall, the amount of insulation material can also be chosen so that many options are available, in a very cost - effective way, problematic zones that are either poorly ventilated or where the corresponding dew point is within the critical range, so that the surface temperature is within the range optimum mold growth is eliminated. This means that different orders can be made on the wall with different amount of insulation material. For walls that are temperature critical, in particular the shock of the two

To consider walls or the three-dimensional corner as critical. As is already known from the prior art, by inserting

Damping material in these corners, the mold is actually reduced. Recognizing this fact, it is advantageous if the wall is first applied over a large area once with the coating material according to the invention. In further application areas, which then become smaller towards the corner, several layers are rolled up, so that in particular in the Corner area three or more layers are superimposed. The density of the insulating material is therefore higher in this critical area and a temperature gradient is achieved from this corner, which has a positive effect against mold growth.

Due to the fact that the insulating material is incorporated in a commercially available color, these areas can certainly be painted over several times. Only a condensed "structure" can be seen on the outside, but it has the same appearance as a rough-grain structure, so there is no difference at all to the viewer, whether it is a woodchip wallpaper or a paint specially designed to prevent the formation of mold due to increased insulation properties.

Also, the grain of the insulating material, which in the emulsion paint

is introduced, can be designed arbitrarily. If a coarse-grained woodchip structure is desired by the consumer, Styrofoam can be grated in this form, for example, so that irregular elements are formed.

Sizes of up to 1 to 2 mm are therefore common. The finer the structures are, the more important it is to ensure that a heterogeneous, irregular structure still remains. It is then possible orders of magnitude up to 0.01 mm. The

Sizes thus depend in particular on the material used, but also on the way in which the insulating material is produced.

Description of the invention

The material that can be introduced into the binder is commercially available insulating material, which can be obtained either by rasping, shredding or similar machining operations of preferably commercially available plate-like material. It is also conceivable that such an insulating material is used, which is formed like a ball, so that due to the predetermined shapes of the insulating material at the same time corresponding structural, optical and decorative training on walls and ceilings can be achieved. The Insulating material which is in a giant-shaped, pasty or similarly comparable form is hydrophobic. This means that this does not absorb the moisture of the binder or of the paint, but rather can be wetted by this in its entirety. The wetting causes corrosion on the binder so that it can be applied with a roller or a brush or, depending on the viscosity, also with a spray gun on a wall or a ceiling or other surfaces. The application is also possible on non-flat surfaces, as the paint like a

commercial emulsion paint behaves. As insulating material, any material can be provided which has heat-insulating properties. These

heat-insulating properties cause the surface temperature to be shifted to the higher range (preferably above 1 2.6 degrees Celsius).

Therefore natural substances can also be used in addition to Styrofoam and Styrodur.

A significant advantage of the paint according to the invention is that the usual substrate or paint, which is suitable for coloring walls and ceilings, is not changed in its property. Additively, a substrate is added which does not change or only slightly changes the physical conditions, such as coloring, application properties, etc., but an additional property, namely a

heat-insulating property, mediated.

If the shift of the surface temperature by application of the paint recognizably not sufficient, it would be possible in a very simple manner to apply another coat. To structural

To avoid changes, it is also conceivable to grind the first or the further coats in each case in order to make the particles located in the binder, in particular the insulating material, planar relative to the surface, so that the structural properties are reduced. It should be noted, however, that grinding is not necessary. Rather, this serves mainly the optical or decorative design. In the Paints can bind any binder, in particular emulsion paints in different color designs. This makes it possible to provide any dispersion paints or silicate paints with the corresponding giant-shaped or pasty insulating material in a corresponding particle size of, for example, 0.01 to 5 mm.

The fact that the problem of mold is not an insignificant problem is shown by the large number of published references and advice. The publications range from correspondingly extensive dissertations as well as standards to

Leaflets of tenants or homeowner associations or also

Product sheets of different products. Since it is at the

According to the invention, the paint is a medium which can be applied with a roll or a brush, and in particular the critical areas, namely precisely the corner problem zones of a room, can be sufficiently worked with the paint. Depending on the application thickness or multiple application, a continuous temperature gradient up to the normal wall can then be created by applying several times from the wall to the corner at intervals, so that even more layers are present in the corner area or a high density of insulation material is present ,

Claims

1 . Paints for coating on surfaces, consisting

at least from a binder and a color pigment introduced into the binder, characterized in that in addition to the binder, gummy, pasty two- or three-dimensional insulating material is added and the insulating material has a size of 0.01 -5 mm and an irregular surface.

2. Paint according to claim 1, characterized in that the

Insulating material is planed or grated Styrodur or equivalent insulating material.

3. substrate for application together with a binder on surfaces to prevent mold formation, characterized in that the

Substrate pasty or giant egg-shaped insulating material in the order of 0.01 -5 mm diameter and has an irregular surface.

4. A process for the preparation of a paint for preventing

Mold formation, consisting of a binder and in the binder input color pigments, characterized in that by stirring into the binder of giant or pasty insulating material with irregular surface and with a diameter of 0.01 -5 mm, a paint for application with rollers or brushes on Surfaces is provided.