JPS5840187Y2 - Insulating base board for mortar - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a heat insulating base board for mortar that has heat insulating properties and is used when finishing a mortar wall as an outer wall of a building.

Recently, in the field of mortar wall finishing, in order to save man-hours and materials, various new products have come on the market, including a one-shot finishing method called the semi-dry method, which eliminates the use of lath wire mesh.

These products tend to have thin mortar due to insufficient adhesion of the mortar and to prevent cracking, and therefore have the drawbacks of weak fire protection and poor heat insulation properties.

For this reason, it is insufficient to meet the recent demands for energy saving in houses, and in order to support insulation, it has been necessary to separately construct a heat insulating material as a base material.

This resulted in an increase in man-hours and costs.

The purpose of the present invention is to eliminate these drawbacks and provide a heat insulating base board for mortar that has great heat insulation properties, fireproofing properties, and can constitute a strong mortar wall.

Next, the present invention will be explained with reference to the drawings. Figure 1 is a perspective view of one part of the board of the present invention when it is constructed as a mortar wall, and Figure 2 is a vertical cross-sectional view of the board. 2 is a foamed synthetic resin layer such as hard foamed urethane, foamed isocyanurate, foamed polystyrene, or foamed polyethylene, which is adhered to one surface of the inorganic panel layer 1.

3 is a metal plate adhered to the back surface of this foamed synthetic resin layer 2;
Protective materials such as plywood, asphalt sheets, or aluminum foil moisture-proof paper.

The base board of this invention has a three-layer structure as described above, but to explain the manufacturing method for inorganic panel layer 1, the main materials are ferroalloy dust and alkali silicate, and alum is added as an auxiliary material. , slaked lime, alkali borate, sodium aluminate, aluminum hydroxide, barium sulfate, various phosphates, and at least one of bentonite are added and kneaded until homogeneous to create a slurry-like mixed solution. One or more types of foamed inorganic particles such as foamed pearlite, foamed vermiculite, and shirasu balloons having a diameter of 2 to 5 mm are added to the mixture and sufficiently kneaded to cause the mixing liquid to adhere to the entire surface of the foamed inorganic particles.

Next, this is placed in a base frame formed into a panel shape, and after applying uniform pressure from above to form a panel, it is placed in a furnace and sintered and solidified at 200 to 500 ° C for 10 to 30 minutes, or
Alternatively, the above molded product is heated and solidified in a high frequency heating furnace, and then sintered in a sintering furnace at 300 to 600°C for 10 to 20 minutes.

When putting the above material into a mold and molding it, place an inorganic fiber sheet such as asbestos cloth or glass fiber sheet on the bottom of the mold in advance, pour the slurry on top of it, and then sinter it. By doing so, it is possible to use one side of the panel reinforced with an inorganic fiber sheet.

In this inorganic panel layer, the main material and auxiliary material in the crosstalk liquid are
The foamed inorganic particles are hardened by a chemical reaction caused by high temperatures, and the foamed inorganic particles are firmly bonded to each other, forming a homogeneous and lightweight inorganic panel with a high surface hardness as a whole.

The apparent specific gravity varies depending on the type and blending ratio of the main material, auxiliary material, and expanded inorganic particles, but is approximately 0°3 to 0.5.
Since the foamed inorganic particles contain fine closed cells, they have excellent fire retardant properties, and the cross-wire material also foams due to the alkali silicate it contains during sintering, generating fine closed cells, which prevents the entire panel from collapsing. It is non-combustible and fire resistant.

Moreover, the foamed inorganic particles are exposed on the surface of this inorganic panel layer, the entire surface is uneven, and the surface area is extremely large.

Therefore, it has a shape that allows easy adhesion with mortar.

The present invention provides a fixed thickness of hard urethane foam between the inorganic panel layer 1 and the protected forest 3 made of a metal plate, plywood, asphalt sheet, aluminum foil moisture-proof paper, or a combination of two or more of these. , or foamed isocyanurate,
A foamed synthetic resin layer 2 made of foamed polystyrene, foamed polyethylene, etc. is adhered and integrally molded into a board shape.

In particular, when hard foamed urethane or foamed isocyanurate is used for the foamed synthetic resin layer 2, the inorganic panel layer 1 and the protected forest 3 are simultaneously self-adhered by mold foaming and molded into one body to obtain the board of the present invention. Therefore, it has the advantage of being easier to manufacture than other foamed plastics and can reduce costs.

The present invention is a heat insulating foundation board for mortar made in this way, but when constructing a mortar wall using this, as shown in Fig.
Alternatively, it is sufficient to test the stud 5 directly with a nail 7, and then apply ordinary cement mortar 6 on top of it in a conventional manner.
The applied mortar is applied to the inorganic panel 1 on the surface of the original board.
After it sinks into the unevenness of the surface and adheres closely, it can form an integrated mortar wall.

The mortar wall made in this way has the following features and effects.

(1) The adhesive force between the mortar and the inorganic panel layer is strong, and not only does it not easily peel off, but the foamed synthetic resin layer 2 also resists cracks that are likely to occur due to distortion of the building that appears after a long period of time. Since the elasticity can absorb the distortion that occurs between the columns and studs, there is almost no risk of cracking, peeling, etc. that tend to occur with conventional construction methods, and it is possible to prevent complaints after construction.

(2) The mortar wall according to the present invention is composed of a double fire-retardant material consisting of an inorganic panel layer 1- which has a high fire-retardant property and a cement mortar 6, so the mortar wall has an extremely high fire-retardant property that is more than twice that of the conventional one. have.

(3) It has excellent heat insulation properties due to the presence of the foamed synthetic resin layer 2, and can greatly contribute to energy conservation in buildings.

Also, since this layer completely blocks moisture from penetrating from the outside, there is no need to worry about the pillars rotting.

(4) According to this construction method, the time and effort of pasting lath mesh, waterproof paper, and heat insulating material is eliminated in one step, and the foundation for the mortar wall is completed by simply sealing the board to the pillars. It is possible to save labor and increase efficiency.

(5) Although the proposed board has the above-mentioned excellent properties, it is lightweight and easy to install.

[Brief explanation of the drawing]

Figure 1 is a partial cross-sectional perspective view showing the construction of the proposed board;
-The figure is also a vertical cross-sectional view. 1: inorganic panel layer, 2: foamed synthetic resin layer, 3: protective material,
4: Column, 5: Stud, 6: Cement mortar, 7: Nail.

Claims (1)

[Scope of utility model registration request] Main materials are ferroalloy dust and aluminum silicate,
Using a mixture of at least one of alum, slaked lime, alkali borate, sodium aluminate, aluminum hydroxide, barium sulfate, etc. as an auxiliary material, foamed inorganic particles such as foamed pearlite are made viscous. This insulation board for mortar is made by adhering a foamed synthetic resin layer 2 between an inorganic panel layer 1 formed by binding and solidifying by burning, and a protected forest 3 such as a metal plate.