JPS599504B2 - tile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the improvement of roof tiles as a roofing material, and in particular, it is a continuous tile made up of several tiles grouped together into one unit, which has been improved from the viewpoint of material quality.

Traditionally, clay tiles and tiles made of resin concrete have been the most common and most commonly used tiles.

However, earthen tiles are heavy and brittle, and because they absorb water, they have the disadvantage that in extremely cold regions, the absorbed moisture can freeze and cause the tiles to collapse, while tiles made of resin concrete have the disadvantage of being heavy.

In addition, in recent years, tiles made of synthetic resin using hard vinyl as a base material have become known, which solve the above-mentioned drawbacks of roof tiles, but these tiles are not very satisfactory in terms of strength.

And when these are made into continuous tiles, ■ earthen tiles,
Resin concrete tiles have the disadvantage that they are extremely heavy, which makes transportation difficult, and continuous tiles have a wide structure unlike unit tiles, making it difficult to obtain uniform loads. .

■ In addition, since tiles made of synthetic resin with hard vinyl as the base material have low strength, if they are made into continuous tiles, there is a greater possibility of cracks occurring not only after continuous tiles are made, but also during production. It has the following drawbacks.

Therefore, in order to obtain a continuous roof tile suitable for use in C, the only way to manufacture the roof tile is to use a material that is lightweight and has excellent strength.

However, since there is no material with such properties, continuous roof tiles are not often used today.

In view of the above, an object of the present invention is to provide a continuous roof tile that is lightweight and has excellent strength.

As a result of various studies, the inventor of the present invention found that the patent application No. 5143 of 1983, which was previously filed by the same applicant as the present invention,
By manufacturing a continuous tile using the refractory material No. 37620, a continuous tile that can fully achieve the above purpose was provided.

The fireproof material used here not only has excellent fire resistance, but also has excellent properties such as being lightweight and strong, so if the roof tiles exhibit these excellent properties, it will be possible to obtain roof tiles that are fully satisfactory in terms of material quality. It is possible to do this.

An embodiment of the present invention will be described.

Put 150 g of sodium silicate (40% molten tL) into a mixer and while stirring, gradually add 350 g of a glass balloon, and add 4.1 g of sodium carbonate to 8 g of water.
Add a solution of 3.5 g of methacrylic acid or polymethacrylic acid dissolved in 0 ml, and then add
Mixing is carried out for 0 minutes, and the resulting mixed wire is packed into a predetermined continuous tile mold and heated and molded.

This molded product was placed in a 50% aluminum phosphate aqueous solution.
The first
Obtain a continuous tile as shown in the figure.

Although methacrylic acid as a monomer or polymer is exemplified as the alkali metal salt of the water-soluble monomer or polymer, the present invention is not limited thereto.

Here, the compressive strength and bending strength of the continuous roof tile obtained in the above example were measured, and the compressive strength was 6.3. 1k
g/Cut, bending strength 3 0. An excellent result of 4 kg/1 was obtained.

In terms of materials, the continuous roof tile obtained in this way has a structure in which glass balloons are used as an aggregate and water glass is used as a binder.

In addition, in the above embodiment, using only glass balloons as the aggregate leads to a reduction in the weight of the continuous tile, and it is possible to increase the thickness to a certain extent.

Adding a solution (alkali metal salt of methacrylic acid or polyacrylic acid), which is sodium carbonate neutralized with methacrylic acid or polyacrylic acid, increases the bulk specific gravity of this material.
Further improve in terms of strength.

Furthermore, the continuous tile after heat forming was immersed in an aluminum phosphate solution.

The purpose of drying is to make it water resistant.

It has been pointed out that molded products using water glass as a binder have some problems in terms of water resistance, but by performing the above immersion, water resistance is significantly improved.

In this case, cracks occur during drying after immersion treatment in products without the addition of water-soluble monomers or polymer alkali metal salts, whereas such cracks hardly occur in products with monomer metal salts added. I can't admit it.

As described above, according to the present invention, since cracks do not occur during the production of continuous tiles, continuous tiles can be manufactured more easily than conventional tiles made of synthetic resin.

In addition, according to the present invention, it is possible to obtain a continuous tile that is lightweight and strong but has no water absorption due to its material, so that a crack that occurs in one place will spread to the entire tile, making it difficult to stand up. This can solve the disadvantage of doing nothing.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a unit tile, and FIG. 2 is a perspective view of a continuous tile.

Claims (1)

[Claims] 1 A material obtained by adding a small amount of a water-soluble monomer or alkali metal salt of a polymer to a kneaded mixture using water glass as a binder and inorganic microscopic hollow spheres as an aggregate.This material is heated and formed into the shape of a continuous roof tile, and then phosphorized. Continuous tiles immersed in an acid aluminum aqueous solution.