JPS6121225Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a plate material such as so-called core plywood having a core material between a front thin plate and a back thin plate, and particularly relates to improving moisture absorption properties.

Board materials such as so-called core plywood, which has a pair of thin sheets attached to both sides of a core material, are often used as materials for building partition walls and furniture.

By the way, in Japan, there are long periods of high temperature and humidity, and there are many places where humidity tends to accumulate. Therefore, condensation tends to form on the surfaces of the wallboards and furniture, as well as in the spaces above, which may wet the surrounding area, corrode the area, or cause mold to grow on the stored items if there are any. adversely affect.

Therefore, it would be very convenient if the board material itself would not cause dew condensation regardless of the climatic conditions and usage conditions, and the range of use would be expanded.

The present invention was developed in view of the above-mentioned circumstances, and its purpose is to provide a large number of ventilation holes in at least one of the front thin plate and the back thin plate along the peripheral edge with a frame interposed therebetween. However, by constructing the core material of the space with zeolite paper with a honeycomb core, the present invention attempts to provide a board material that prevents the occurrence of dew condensation, improves durability, and eliminates adverse effects on others.

An embodiment of the present invention will be described below based on the drawings. FIGS. 1 and 2 each show a board material with a part cut away, and 1 is a surface thin board such as hard fiber board, asbestos cement board, or veneer plywood. Reference numeral 2 denotes a back thin plate made of the same material, and a frame 3 made of wood is interposed along the peripheral edges of these front and front thin plates 1 and 2. Then, these are fixed to each other using adhesive or the like. By providing the decorative stopper plates 4 along these peripheries, a thick plate material with a heavy feel is formed. A space 5 is left between the front and back thin plates 1 and 2 on the inner side of the inner peripheral edge of the frame 3.

When manufacturing such a plate material having a so-called flash structure, a honeycomb core 6 as a core material is inserted into the space 5. That is, for example, after fixing the front thin plate 1 and the frame 3, before fixing the back thin plate 2, insert one honeycomb end surface of the honeycomb core 6 inside the frame 3 so as to face the front thin plate 1, and then insert the back side thin plate 1. It will be in a state where it is covered with a thin plate 2. Therefore, the other end surface of the honeycomb faces the back thin plate 2. This honeycomb core 6 is formed by molding zeolite adsorption paper into which a large amount of fine particles of zeolite S have been added into a honeycomb shape. The wall thickness is the same as that of the frame 3 and has a certain degree of rigidity.
Further, the front and back thin plates 1 and 2 are provided with a large number of small ventilation holes 7 in advance. It is preferable that the positions of the ventilation holes 7 in the front and back thin plates 1 and 2 are different from each other, rather than directly facing each other.

Zeolite S is a hydrous aluminosilicate mineral with a three-dimensional crystal structure and is a naturally occurring product.
34 types and 94 types of compounds are known. In particular, natural zeolites are found in inexhaustible reserves in sedimentary rocks, and mordenite and clinoptilolite are known in Japan. Zeolite S is characterized by strong moisture and odor absorption properties. That is, it preferentially adsorbs moisture, has a larger hygroscopic capacity and higher hygroscopic strength than silica gel and activated alumina. Conversely, by heating, zeolite water can be continuously dehydrated without causing any major changes in the crystal structure, and the pores created after dehydration are easily re-condensed, and other gases can be added instead of water. It becomes possible to adsorb. When adsorbing gas, a so-called molecular sieving effect occurs due to the size of the pores, differences in the size and shape of gas molecules, and the presence or absence of polar groups.
Gas separation properties occur. Therefore, it is often used as a desiccant or deodorizing agent. In addition, Zeolite S
has excellent ion exchange properties and is used for ammonia removal, and has a catalytic action as a solid acid and is widely used as an industrial catalyst.

However, with the board constructed in this way,
For example, if you make a kitchen cabinet, no condensation will form inside it even if it is exposed to high humidity. That is, the atmosphere inside the cabinet passes through the space 5 through the ventilation holes 7, and is exposed to the honeycomb core 6 at this time. At this time, moisture is absorbed by zeolite S, and the zeolite S constantly dries. Also, even if there are items stored inside, such as seasonings or detergents, it is dry so no mold will grow, and even if they emit odors, Zeolite S absorbs all of them.
No odor leaks outside.

The same holds true when used as a board material and, for example, as a wall board, and the zeolite S incorporated into the honeycomb core 6 exhibits moisture absorption and odor absorption properties, preventing the occurrence of dew condensation and absorbing irritating odors.
Since the honeycomb core 6 itself is rigid, it maintains sufficient strength as a wall plate, so it is especially suitable as an interior material for RC concrete buildings or for high humidity places such as basements.

Other plate materials may be used depending on the purpose, and it goes without saying that the above effects will not be impaired in any case.

As explained above, according to the present invention, a large number of ventilation holes are formed in at least one of the front thin plate and the back thin plate with a frame interposed at the peripheral end, and the space between the frame and both thin plates is provided with a large number of ventilation holes. Since a core material made of zeolite paper is inserted into the honeycomb core, there is no condensation at all even under high humidity, preventing corrosion, improving durability, and preventing adverse effects on others. Furthermore, it has sufficient strength, making it ideal as a wall board for construction.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a partially omitted vertical sectional view of a plate material, and FIG. 2 is a front view thereof. 3... Frame, 1... Thin surface plate, 2... Thin back plate, 5... Space, 7... Ventilation hole, S... Zeolite, 6... Core material (honeycomb core).

Claims (1)

[Scope of utility model registration request] A front thin plate and a back thin plate are provided on the front and back surfaces of the frame along the peripheral edge, and a space is provided between the frame and the front thin plate and the back thin plate,
A board material, characterized in that a large number of ventilation holes are formed in at least one of the front thin plate and the back thin plate, and a core material formed into a honeycomb core made of zeolite paper having moisture absorption properties is inserted in the space.