JP2001079808A - Wood molding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inhibit the proliferation of mildews or microbes and eliminate generated malodor by adsorption, neutralization, oxidation/reduction, masking and the like and at the same time, impart a feel of natural massiveness to a wood molding by applying an antimicrobial agent to the body of the wood molding consisting of a wood raw material or impregnating the body of the wood molding with the agent to achieve the molding of a wood. SOLUTION: The wood composite board as a wood molding comprises the body 1 of a plate like wood molding obtained by pressure-molding aspen strands 2 into a plate shape and an antimicrobial agent applied to the body 1. The strands 2 are set in various directions and voids between the strands 2 are partially filled with a resin 3 which functions as an adhesive. Consequently, each of the strands 2 is firmly fixed by connecting with each other in a complicated fashion. The liquid antimicrobial agent is applied to the body 1 of the wood molding to obtain a wood composite board. The antimicrobial agent penetrates every part of the body 1 of the wood molding by impregnating a log, chips or strands with the antimicrobial agent and thus the internal generation of microbes and the like are inhibited.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden molded product, and more particularly, to a wooden molded product obtained by molding a log, a wood chip, a strand, or a fiber.

[0002]

2. Description of the Related Art Conventionally, as a wooden molded body of this kind, a solid wood obtained by cutting and shaping a raw wood into a desired shape, a laminated wood or a plywood (panel) formed by laminating boards, OSB
(Strand board), Particle board, MDF
A wood composite board or the like in which wood chips or the like such as (medium fiber board) and flake board are formed into a plate shape is known. Since these woody molded bodies are made of woody materials such as woody chips and strands as raw materials, they have a more hygroscopic property than general synthetic resin boards and the like, and furthermore have a texture unique to wood. . Therefore, it is generally widely used as a floor material, a wall material, a ceiling material, a beam material and the like of a building.

[0003]

However, since woody materials such as wood chips, strands or fibers are used as materials, there are cases where mold and bacteria propagate by absorbing moisture and air. There was a problem that a bad smell was generated by propagation of bacteria and bacteria.

[0004] In view of the above, the present invention has been made in view of the above-mentioned conventional problems, and has as its object to provide a wooden molded article in which the growth of mold and bacteria is suppressed and the generation of odor is also suppressed. is there.

[0005]

Means for Solving the Problems The present inventor has made intensive studies to solve the above problems, and as a result, has found that the following means can solve the above problems, and has completed the present invention. That is, a means for solving the above-mentioned problem is a wooden molded body characterized in that an antibacterial agent is applied or impregnated on a wooden molded body 1 obtained by molding a wooden raw material.

[0006] In the wooden molded article having the above structure,
The antibacterial agent applied or impregnated on the molded body 1 suppresses the growth of mold and bacteria.

In the present invention, examples of the woody raw material include raw wood, woody chips, strands, fibers, and the like. These are usually formed in a plate shape, square shape by laminating a plate, cutting, or pressing. It is formed into a columnar shape, a columnar shape, or the like to form a wooden molded body.

[0008] Antibacterial agents include da-pinene, d-borneol, d-cadinene, l-cadinol, d-cadinol.
Of limonene and fatty acid esters, those containing at least one or more components are preferred. This is because these exhibit excellent deodorizing effects as deodorizing components. Further, as the antibacterial agent, one containing at least one or more components of cuparene, tsuyobsen, drapurine, and hinokitiol is preferable. This is because these exhibit excellent antibacterial effects as antibacterial components. In particular, those containing both the deodorant component and the antibacterial component are more preferable. This is because the deodorizing component and the antibacterial component exhibit synergistic effects of deodorizing and antibacterial, and exhibit more excellent deodorizing and antibacterial effects.

The antibacterial agent preferably contains a plant extract having deodorant properties. According to such an antibacterial agent, not only does the growth of mold and bacteria be suppressed, but also the generated odor (eg, ammonia, trimethylamine, hydrogen sulfide, methyl mercaptan) is adsorbed, deodorized by neutralization, oxidation reduction, masking, etc. And a natural texture can be imparted to the wooden molded article by the scent generated from the plant extract.

[0010] In general, the plant extract contains a component which has an inhibitory action on feeding and repels adhesion of insects and microorganisms so that insects and animals cannot eat leaves and stems. Therefore, by applying or impregnating the molded article body 1 containing these substances, the approach of mosquitoes and fly to the wooden molded article is suppressed, and the propagation of termites is also suppressed.

The plant extract having deodorant properties includes cedar, cypress, hiba, fir, spruce, black pine, red pine, pine pine, camphor, white birch, persimmon, tea, orange, nettle, kumazasa,
Extracts such as mugwort, perilla, aloe, salamander, amachazuru and the like can be exemplified. These plant extracts include:
It contains active substances having a deodorizing effect such as carbohydrates, alcohols, carboxylic acids, and flavonoids derived from plants.

In particular, it is preferable to use hinoki or hiba extract as the plant extract. Although the extract of cypress varies depending on the place of production of the hinoki, any of the places of production, da-pinene, d-borneol, d-cadinene, l-cadinol, d-limonene, fatty acid esters, etc. Among them, at least one or more components are contained, and as described above, these effectively act as deodorizing components. In addition, although the extract of Hiba differs depending on the place of production of Hiba, regardless of the place of production, it contains at least one or more of cuparene, tuyobsen, drapurine, and hinokitiol, and as described above, these are antibacterial. It works effectively as an ingredient. Furthermore, the extract of cypress and hiba contains a component called borneol, which has a strong resistance to rot fungi and suppresses the generation of termites. Therefore, by using the extract of cypress or hiba, the above-mentioned components exhibit a deodorizing or antibacterial effect, are hardly violated by rot fungi, and are excellent in termite breeding suppression effect. .

Further, as the plant extract, those containing both cypress extract and hiba extract are more preferable. The deodorant active ingredient contained in the extract of cypress and the active ingredient of antibacterial contained in the extract of Hiba are associated with each other, exhibiting a synergistic effect of antibacterial and deodorant. Antibacterial, compared to when used in
It becomes a more excellent woody body for the effect of deodorization.

These plant extracts are usually extracted by a conventionally known method such as carbonization and distillation.

[0015] In the wooden molded article according to the present invention, the antibacterial agent preferably contains a terpene. Terpenes, that is, various hydrocarbons, alcohols, ketones, aldehydes, carboxylic acids, lactones, etc. belonging to terpenes are not only excellent in deodorizing effect, but also generate aroma of trees, so that malodor is suppressed, and more natural It becomes a wooden molded body having excellent texture.

Further, volatile components belonging to terpenes (for example, monoterpenes and sesquiterpenes) have been attracting attention as active ingredients in forest baths, and these are the main components of the wooden molded body 1.
Wood moldings applied or impregnated to furniture, flooring,
By using it as a ceiling material, wall material, beam material, etc., it is possible to enjoy a simulated forest bath in a house. Further, it is generally known that pharmacological effects such as recovery from fatigue, mental concentration, activation of liver function, and anti-allergy can be obtained by forest bathing, and these pharmacological effects can also be obtained in a house.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings, taking a wood composite board as an example. The woody composite board as the woody molded body of the present embodiment shown in FIG. 1 has an antibacterial agent applied to a plate-like wooden molded body main body 1 in which strands 2 of aspen (tree species) are pressed into a plate shape. It becomes.

The strands 2 are oriented in various directions, and are filled with a resin 3 so as to partially fill a gap between the strands 2, and the resin 3 functions as an adhesive. Thus, the strands 2 are connected to each other in a complicated manner and are firmly fixed.

When manufacturing the wood composite board of the present embodiment, first, the cut logs of the aspen are immersed in water and sufficiently impregnated with water, and then the surface of the raw wood is peeled. Next, the raw wood from which the skin has been stripped is cut into long, thin flakes to obtain strands 2. After the obtained strand 2 is dried, the resin 3 and the wax are mixed and molded into a mat shape.
Molded into

A liquid antibacterial agent is applied to the obtained wooden molded body 1 to form a wooden composite board.

The antibacterial agents used here include cedar,
Cypress, hiba, fir, spruce, black pine, red pine, spruce pine, camphor, birch, persimmon, tea, orange, nettle, nettle, kumazaza, mugwort, perilla, aloe, sansho, amachazuru, etc. The blended antibacterial agent (trade name “Phytoncide 35”, manufactured by Narita Co., Ltd.) can be exemplified. Each of these plant extracts is subjected to vacuum distillation of each raw material plant to extract non-volatile components, and then the obtained extract is purified by vacuum distillation, and in some cases, further fractionation by ion exchange or the like, decolorization, It is obtained by performing a treatment such as purification.

Although the wood composite board of the present embodiment is constructed as described above, the wood molded body of the present invention is not limited to the above construction, and the design can be changed as appropriate. For example, in the woody molded body of the above embodiment, the wooden molded body 1 is formed as a plate-like wooden composite board, but in the present invention, the wooden molded body 1 is not limited to a plate-shaped one. However, even a rod shape is within the intended range of the present invention.

Also, in the above embodiment, aspen was used as a raw material for the strand 2,
In the present invention, in addition to aspen, for example, cedar, cypress, hiba, or the like may be used as a raw material of the strand 2. Further, in the above embodiment, the raw wood is processed into the strand 2 and the strand 2 is pressure-formed to form the wood-formed body 1. However, in the present invention, the wood chips and fibers are pressed and formed. Even when the wooden molded body 1 is configured by the method, it is within the range intended by the present invention.

In the above-described embodiment, the wooden molded body is obtained by applying the antibacterial agent to the wooden molded body 1, but the present invention is applicable to the case where the wooden molded body 1 is impregnated with the antibacterial agent. Within the intended range. Furthermore, the method of applying or impregnating the antibacterial agent is not particularly limited, and may be, for example, a case where the antibacterial agent is impregnated in advance by immersing a log, a chip or a strand in a solution of the antibacterial agent. Alternatively, a case where an antimicrobial agent is added in advance to the resin added at the time of molding may be used. In short, the molded body 1
It is sufficient that the antibacterial agent is applied or impregnated, and the timing of applying the antibacterial agent is not limited. However, if the antibacterial agent is impregnated into the raw wood, chips or strands, the antibacterial agent spreads inside the wooden molded body 1 and suppresses the generation of bacteria inside the wooden molded body 1 as compared with a case where the antibacterial agent is simply applied to the surface. It is preferable because it is possible.

[0025]

As described above, the woody molded product according to the present invention is such that the growth of mold and bacteria is suppressed by the antibacterial agent, and the generation of offensive odor is suppressed.

[Brief description of the drawings]

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a perspective view including a partial cross section of a wood composite board in which a wood body is formed into a plate shape in a wood formed body according to an embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Wooden molded body 2 ... Strand 3 ... Resin

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2B230 AA02 AA21 BA01 BA05 BA18 CC12 CC24 CC30 EB01 EB03 2B260 AA01 AA10 BA01 BA18 BA19 BA20 CB01 CD02 CD03 CD04 DB11 DC20 DD02 EA03 EB01 EB06 EB11 EB21

Claims (3)

[Claims] An antibacterial agent is applied or impregnated to a wooden molded body (1) formed by molding a wooden raw material. 2. The woody molded product according to claim 1, wherein the antibacterial agent contains a plant extract having deodorant properties. 3. The wooden molded article according to claim 1, wherein the antibacterial agent contains a terpene.