WO2004053254A1 - 内装用建築材料、内装用建材パネル、及び内装用建材シート - Google Patents
内装用建築材料、内装用建材パネル、及び内装用建材シート Download PDFInfo
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- WO2004053254A1 WO2004053254A1 PCT/JP2003/015693 JP0315693W WO2004053254A1 WO 2004053254 A1 WO2004053254 A1 WO 2004053254A1 JP 0315693 W JP0315693 W JP 0315693W WO 2004053254 A1 WO2004053254 A1 WO 2004053254A1
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- Prior art keywords
- building material
- interior
- diatomaceous earth
- interior building
- powder
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/06—Acrylates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
- E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2061—Materials containing photocatalysts, e.g. TiO2, for avoiding staining by air pollutants or the like
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
Definitions
- This effort relates to interior building materials used as wall materials, ceiling materials, etc., and also to interior building material panels.
- it has the effect of decomposing and removing harmful chemicals such as formaldehyde (formalin), and has excellent deodorizing and humidity control properties, and also has a negative ion effect.
- New interior building materials, interior building panels, and interior building materials Regarding the sheet. Background art
- Patent Document 1 Japanese Patent Application Laid-Open Publication No. 2001-899222
- Patent Document 2 Japanese Patent Application Laid-Open No. 2000-0-96979
- Patent Document 1 discloses that a mixture of powdered diatomaceous earth and cement in an appropriate amount is used as a coating material. As a result, it is possible to easily apply a good painted surface without unevenness, and to prevent cracking and dew condensation after the application. The company is able to provide a new coating material.
- Patent Document 2 discloses that in a wall material in which an undercoat layer and an overcoat layer are sequentially formed on an underlayer, the overcoat layer is formed on a base layer containing a porous body such as diatomaceous earth and a binder, and formed on the base layer. Further, a wall material comprising a pigment-containing and air-permeable finish layer is disclosed. It says that it can provide wall materials that are lightweight and have excellent heat retention, heat insulation, dew condensation prevention, humidity control, sound insulation, and deodorization.
- wall materials that simply use diatomaceous earth can decompose formalin to some extent and decompose tobacco, pets, toilets, and other living odors (odours). It has the disadvantage that it does not last (it becomes saturated). In particular, regarding the degradation of formalin, it is difficult to achieve a value of less than 0.08 ppm, which is a guideline of the World Health Organization (WHO) and a recommendation of the Ministry of Health and Welfare.
- WHO World Health Organization
- Patent Document 3 Japanese Patent Application Laid-Open No. 2002-2225046
- Patent Document 4 Japanese Patent Application Laid-Open No. H11-11232224
- Patent Documents 3 and 4 fire diatomaceous earth and tolmarin together to form a fired powder, and all aim at purifying the air and generating the negative ions. Is what you do.
- the present invention has been proposed in order to solve such disadvantages of the prior art, and can sufficiently decompose and remove harmful chemical substances such as formalin. It is an object of the present invention to provide an interior building material, an interior building material panel, and an interior building sheet having excellent humidity control properties, deodorizing effect, and even negative ion effect. Further, another object of the present invention is to provide an interior building material, an interior building material panel, and an interior building material sheet capable of shortening the drying time and shortening the drying period. Disclosure of the invention
- the present inventor has conducted various experiments and studies over many years, and as a result, has come to develop the present invention.
- the building material for interior according to the invention described in claim 1 of the present application is characterized by mixing powdered diatomaceous earth with a powdered frame and crushed and powdered quartz porphyry. . Rather than firing diatomaceous earth and quartz porphyry together, they are used in the form of powder and mixed, so that their individual functions can be fully exhibited and the synergistic effect of the building materials for interior use It achieves the humidity control, deodorizing effect, removal effect of harmful substances, and negative ion effect required for air conditioning. For this reason, if a material obtained by adding water and stirring is applied as a wall material or applied as a ceiling material, a suitable wall material / ceiling material exhibiting the above-described effects is obtained.
- the invention according to claim 2 of the present application is characterized in that the ratio of the quartz porphyry is greater than the ratio of the diatomaceous earth
- the invention according to claim 3 is characterized in that It is characterized in that the mixing ratio of quartz porphyry is 5: 6-4: 7.
- the invention according to claim 4 is characterized in that the diatomaceous earth is calcined in advance at a temperature of 800 ° C. or less, more preferably, a temperature of 400 ° C. or more and 800 ° C. or less. It is characterized by being fired in. Diatomaceous earth is preliminarily baked to remove adsorbed water, etc. By doing so, the function can be fully exercised, and the interior building materials have excellent humidity control. Specifically, the diatomaceous earth's hygroscopic capacity (power) is almost constant regardless of the firing temperature if it is 800 ° C or less, but if the firing temperature exceeds 800 ° C and it exceeds 100 ° C.
- the hygroscopicity is rapidly lost, and when fired at 1200 ° C, the hygroscopicity is completely lost.
- the ability of the non-fired material to exhibit the most moisture-absorbing effect It is necessary that the temperature be at least 400 ° C in order to obtain the sterilizing effect by firing, and the colored diatomaceous earth becomes white by firing and the color tends to appear. In order to prevent cracks, it is preferable to bake at 400 ° C. or more.
- the invention according to claim 5 is characterized in that the quartz porphyry is tourmaline.
- Tourmaline is a substance with an excellent negative ion effect.
- tourmaline a type of quartz porphyry, an excellent negative ion effect can be expected.
- quartz porphyry a natural ore, enables easy and inexpensive production.
- the invention according to claim 6 is characterized in that it contains an aggregate, and the aggregate is white quartz sand made of quartz grains. Further, the invention according to claim 7 is characterized in that the silica sand contains two or more types of silica sand having different particle diameters.
- white silica sand composed of quartz grains as aggregate, the color tone can be made close to white. Most of the wall materials and wall facing panels tend to prefer white color, and it is preferable that the color tone be close to white.
- the packing density can be increased by using two or more types of silica sand having different particle sizes as aggregate.
- the invention according to claim 8 is characterized in that a particulate acryl-based resin is contained as a binder, and the invention according to claim 9 is characterized in that the particle size of the acrylic resin is diatomaceous earth and It is characterized by being larger than the particle size of quartz porphyry. Since acrylic resin has elasticity, using it as a binder makes it difficult for cracks to occur and withstands long-term use. In addition, the use of particulate acryl-based resin with a larger particle size than diatomaceous earth and quartz porphyry prevents penetration into pores. And maintain its porous state, preventing the deterioration of its function due to coating the surface of diatomaceous earth and quartz porphyry.
- the invention according to claim 10 is characterized in that the mixing ratio of each component is 20 to 25 parts by weight of diatomaceous earth, 30 to 35 parts by weight of quartz porphyry, 45 to 55 parts by weight of aggregate, and an ataryl resin. 5 to 10 parts by weight.
- the strong mixing ratio is, for example, the optimum mixing ratio when used as a wall material, and achieves a predetermined effect and shortens the period.
- the composition ratio of each component is smaller than the above case (quartz porphyry: 10 to 15 parts by weight, aggregate: 65 to 75 parts by weight, other: same) In the case of), as the number of years passed after construction, the moisture absorption capacity and the ability to absorb suspended harmful substances such as formaldehyde gradually decreased.
- Claim 11 is characterized by further containing a silver-based antibacterial agent.
- a silver-based antibacterial agent provides an antibacterial effect (including an anti-mite and fungicidal effect), which also exerts a deodorizing effect.
- the invention according to claim 12 is characterized in that silica powder, zeolite powder, tile waste powder, sand, titanium oxide powder, maltstone powder, charcoal powder, volcanic ash powder, glass powder, aluminum powder, natural ore powder, artificial ore powder Characterized in that it contains at least one member selected from the group consisting of: These components are blended, for example, in consideration of the environment, and various patterns are formed depending on the blending method. Furthermore, various functions can be imparted according to the use, for example, prevention of electromagnetic waves by addition of phenolic powder. ⁇
- the invention described in Claims 13 relates to interior building material panels, It is characterized in that an interior building material mainly composed of a mixture of powdered diatomaceous earth and powdered quartz porphyry is applied to the surface of a base material.
- the interior building material can be made into a panel, and the same effect as when the interior building material is used as a wall material or the like can be obtained.
- the invention according to claim 14 is characterized in that a mixture of crushed and powdered diatomaceous earth and crushed and powdered quartz porphyry is used as a raw material for a gypsum board.
- the invention according to claim 15 is characterized in that a mixture of powdered diatomaceous earth in the form of a powder frame and crushed and powdered quartz porphyry is used as a main raw material, and this is subjected to paneling together with glass powder.
- the invention according to claim 16 is characterized in that the glass powder is melted and foamed with a foaming agent to form a porous panel.
- the interior building material can be paneled in various forms, and in each case, the same effect as when the interior building material is used as a wall material or the like can be obtained.
- the invention described in claim 17 relates to an interior building material sheet such as interior wallpaper, and is mainly made of a mixture of crushed and powdered diatomaceous earth and crushed and powdered quartz porphyry. Is applied to the surface of the base sheet.
- the interior building material can be used as an interior building material sheet such as interior wallpaper, and the same effect as when the interior building material is used as a wall material or the like can be obtained.
- the invention according to claim 18 is characterized in that a front sheet is attached to a surface of the interior building material. By sticking the front sheet, the interior building material is prevented from peeling off from the base sheet.
- the front sheet is preferably made of paper or cloth having high air permeability.
- FIG. 1 is a schematic diagram showing the function of the interior building material of the present invention.
- Figure 2 shows the formaldehyde emission when the interior building material of the present invention is applied and when it is not. It is a characteristic view which shows the difference of a scattering suppression effect.
- FIG. 3 is a characteristic diagram showing a difference between a change in temperature and a change in humidity between a living room to which the interior building material of the present invention is applied and a living room which does not.
- FIG. 4 is a graph showing the measurement results of the formaldehyde concentration over time.
- FIG. 5 is a graph showing the measurement results of the amount of moisture absorption of the calcined diatomaceous earth at 20 ° C. Fig.
- FIG. 6 (a) is a cross-sectional view of an interior building material sheet in which an interior building material is provided on the surface of a base sheet, and (b) is a front sheet adhered to the interior building material surface. It is sectional drawing of the building material sheet for interiors.
- FIG. 7 is a table showing the measurement results of the amount of moisture absorption at 20 ° C. of the calcined diatomaceous earth.
- Fig 8 is a table showing typical components of quartz porphyry along with examples of zeolite components that are relatively well-known for similar minerals.
- FIG. 9 is a table showing the results of measurement of formaldehyde emission in each sample.
- FIG. 10 is a table showing the concentrations of formaldehyde and toluene remaining in each test bag in Experiment 6.
- FIG. 11 is a table showing the results of the antibacterial performance test in Experiment 7 in a table.
- FIG. 12 is a table showing the results of the antibacterial performance test in Experiment 7 after the weathering test.
- FIG. 13 is a diagram showing, in a table, experimental results showing discoloration in Experiment 8. BEST MODE FOR CARRYING OUT THE INVENTION
- the interior building material of the present invention has a basic composition of a combination of diatomaceous earth and quartz porphyry. That is, crushed and powdered diatomaceous earth and crushed and powdered quartz porphyry are mixed and used as interior building materials.
- diatomaceous earth is composed of diatom shells, which are the main component, as well as clay minerals, mainly montmorillonite, and non-clay minerals such as quartz and feldspar, which are extremely porous. Diatom mudstone is crushed. Diatomaceous earth is used for deodorization, etc. It is ultra-porous, thousands of times the charcoal used in coal, and has excellent fine particle adsorption power. Therefore, it is possible to quickly absorb a large amount of airborne moisture (water molecules) and suspended harmful substances such as formaldehyde.
- the diatomaceous earth may be used as it is as a raw material of the building material of the present invention, but it is preferable to use diatomaceous earth which has been previously calcined at a temperature of 800 ° C or less. In this case, calcination is performed with diatomaceous earth alone, and calcination is performed at a low temperature. As a result, the absorbed water and the adsorbed substance of the diatomaceous earth evaporate and escape, and the function is greatly improved.
- the firing temperature is preferably set to 800 ° C. or less.
- the moisture absorption capacity moisture absorption capacity
- Figures 7 and 5 show the moisture absorption (mgZg) and specific surface area (m 2 / g) at 20 ° C of diatomaceous earth (refined product) calcined at various temperatures.
- the hygroscopic capacity of diatomaceous earth is almost constant at 800 ° C or less regardless of the firing temperature, but when the firing temperature exceeds 800 ° C and reaches 1000 ° C, the hygroscopicity is rapidly lost.
- the moisture absorption capacity of the purified product per specific surface area is 3.4 to 4.8 mg / m 2 except for 1200 ° C. It can be seen that the hygroscopic capacity of diatomaceous earth is almost constant irrespective of the firing temperature and strongly depends on the specific surface area. This is thought to be due to the fact that calcination at too high a temperature causes porosity of the diatomaceous earth to break down, losing the characteristics of being a porous body and deteriorating moisture absorption properties. Therefore, the calcination temperature of diatomaceous earth is preferably 800 ° C or lower as described above.
- the firing temperature must be 400 ° C or higher.
- the calcination temperature of diatomaceous earth is 400 ° (preferably ⁇ 800 ° C, 400 ° C The temperature is more preferably set to 6600 ° C.
- the diatomaceous earth used is crushed and granulated.
- a refined classified product may be used.
- the average particle size is about 27 m. Its specific surface area is more than three orders of magnitude larger than that of a simple sphere of 27 ⁇ , making it a porous material.
- the quartz porphyry combined with the diatomaceous earth is one of igneous rocks, and is a porphyry with phenocrysts of quartz and feldspar, and is produced as dikes and rock stocks (contains many phenocrysts of quartz. Stuff).
- natural quartz porphyry generally contains the following components: Fig. 8 shows typical constituents of quartz porphyry along with examples of comparatively well-known zeolite constituents of similar minerals.
- quartz porphyry examples include silicon dioxide Si 2 (silicic anhydride, silica silicon dioxide), aluminum aluminum oxide A 1 2 3 (alumina), and ferric oxide F e 2 ⁇ 3, iron oxide F E_ ⁇ , titanium oxide T i 0 2, manganese oxide M G_ ⁇ , Sani ⁇ calcium C a O, sodium N a 2 0, potassium K 2 0, phosphoric acid anhydride [rho 2 0 5 Etc. are included.
- the silicon dioxide S i 0 2 has far infrared effect
- the oxidation Arumiyuu beam A 1 2 ⁇ 3 exhibit antibacterial and antifungal mite activity. Quartz porphyry is known to have antistatic effects and negative ion effects.
- the interior building material of the present invention is a mixture of diatomaceous earth and quartz porphyry.
- the mixing ratio at this time is preferably such that the ratio of quartz porphyry is higher than that of diatomaceous earth.
- Building materials made of diatomaceous earth tend to take a long time to dry and have a long period of time.
- the inventor's experiments showed that the combined use of quartz porphyry shortened the drying time and shortened the drying period. In particular, it was found that setting the ratio of quartz porphyry to be higher than that of diatomaceous earth could achieve a practical period.
- quartz porphyry when quartz porphyry is not used together, drying takes about two days, whereas when the proportion of quartz porphyry is higher than that of diatomaceous earth, drying takes less than one day. Diatomaceous earth and quartz porphyry are preferred! /, The mixing ratio is 5: 6 to 4: 7.
- the interior building material of the present invention may use various materials in addition to the above basic components.
- the materials used in combination include, for example, an acrylic resin and a silver-based antibacterial agent in the form of particles and a binder as an aggregate.
- the aggregate for example, white quartz sand made of quartz grains can be used. By using white quartz sand, whiteness can be sufficiently ensured. Further, it is preferable to use two or more types of silica sand having different particle diameters as the aggregate, whereby the packing density of the aggregate can be increased. In this case, the particle size of each of the two types of silica sand is, for example, about 30 / m for a small particle size and about lmm for a large particle size.
- the particulate acryl resin as a binder exerts an adhesive force when a solvent such as water is added, and plays a role of retaining particles of diatomaceous earth and quartz porphyry.
- Acrylic resins have the advantage of being resistant to cracking due to their elasticity and resistant to long-term use because they are not easily degraded.
- a glue-based material or a bond-based material can be considered, but when a glue-based material is used, it has a drawback that cracks easily occur after drying.
- glue-based and bond-based materials can block porous pores and impair the function of diatomaceous earth and quartz porphyry.
- Particulate acrylic resin is diatomaceous earth or quartz It penetrates and connects between porphyry particles, does not cover diatomaceous earth or quartz porphyry, and does not penetrate into porous pores.
- the particle size of the particulate acrylic resin is preferably larger than the particle sizes of the diatomaceous earth and the quartz porphyry.
- the silver-based antibacterial agent is added for the purpose of imparting an antibacterial action, a deodorizing action and the like.
- the adsorbed harmful substances remain in the diatomaceous earth, but when a silver-based antibacterial agent is added, these harmful substances are decomposed and purified by the catalytic action of silver ions. Therefore, it is suitable for hygiene.
- silica powder zeolite powder, tile waste powder, sand, titanium oxide powder, maltstone powder, charcoal powder, volcanic ash powder, glass powder, aluminum powder, natural ore powder, and artificial ore powder
- silica powder zeolite powder
- tile waste powder sand
- titanium oxide powder titanium oxide powder
- maltstone powder charcoal powder
- volcanic ash powder glass powder
- aluminum powder aluminum powder
- natural ore powder and artificial ore powder
- these materials can be put in place of, for example, silica sand with a large particle size, and the necessary materials can be selected according to the application. That is, the above silica powder and the like are put in place of silica sand having a specific compounding amount described later.
- the other components may be blended in any ratio in consideration of the ratio of diatomaceous earth to quartz porphyry.
- Specific mixing examples include, for example, 20 to 25 parts by weight of diatomaceous earth, 30 to 35 parts by weight of quartz porphyry, 45 to 55 parts by weight of aggregate, and 5 to 10 parts by weight of ataryl-based resin. It is.
- two types of silica sand having different particle sizes are used as aggregates, for example, 20 to 25 parts by weight of small-size silica sand (silica sand A) and 25 to 25 parts by weight of large-size silica sand (silica sand B) are used. 30 parts by weight.
- the quartz porphyry was assumed to be 10 to 15 parts by weight, the aggregate was assumed to be 65 to 75 parts by weight, and the others were the same. Case) Over the years after construction, the ability to absorb suspended harmful substances such as moisture absorption and formaldehyde gradually decreased. In addition, when the composition ratio of each component is larger than the above case, the quartz porphyry is 50 to 55 parts by weight, the aggregate is 25 to 35 parts by weight, and the others are the same. In the case of), air bubbles came out badly after construction. From these points, the above mixing ratio is the optimum mixing ratio when used as a wall material.
- Fig. 1 schematically shows the function of the coating film 1 of the interior building material having such a composition.
- the coating film 1 of the interior building material containing these components exerts a purifying action, a harmful substance adsorption, a deodorizing action, an antibacterial action, an antifungal / mite-proof action, a far-infrared ray effect and the like.
- the above-mentioned building material for interior can be used as a wall material / ceiling material.
- a wall material when used as a wall material, it can be painted on a board or the like by the same method as a normal wall material, such as spray finishing, roller finishing, plastering finishing, and the like.
- its thickness is preferably about 2 to 3 mm. If it is applied too thickly, diatomaceous earth and quartz porphyry inside may not come into contact with indoor air, and it may not be able to fully exert its purification function, which is not efficient. Conversely, if applied too thinly, the purification function may be insufficient.
- the building material of the present invention can be used not only as a wall material and a ceiling material but also as a material for a building material panel for interior use.
- a material for a building material panel for interior use for example, by applying an interior building material mainly composed of a mixture of powdered diatomaceous earth to a powdered diatomaceous earth and crushed and powdered quartz porphyry, the interior building material panel and can do.
- examples of the base material include gypsum board, aluminum plate, concrete plate, iron plate, control panel, veneer plate, wood plate, various building material panels, and the like.
- a mixture of diatomaceous earth pulverized and pulverized and porphyry quartz pulverized and powdered may be used as a raw material for the gypsum board. It is also possible to use a mixture of rocks as the main raw material and form a panel with glass powder.
- the thickness of the gypsum board which is the building material panel Is, for example, 9.5 mm or 12.5 mm.
- glass waste can be used as glass powder, which is useful from the viewpoint of waste disposal.
- the interior building material of the present invention can also be used as a material for an interior building material sheet used as an interior wallpaper or the like.
- Fig. 6 (a) and (b) are cross-sectional views of the interior building sheet.
- a base sheet is made of a building material 1 for interiors mainly composed of a mixture of diatomaceous earth that has been ground and powdered and quartz porphyry that has been ground and ground. By applying it to the surface of 2, it can be used as an interior building material sheet.
- the base sheet 2 may be a backing paper.
- the front sheet 3 may be attached to the surface of the interior building material 1 applied to the base sheet 2.
- the front sheet 3 is preferably a cloth or paper sheet having high air permeability and flexibility.
- the fabric sheet include natural fiber fabrics such as silk, hemp, and cotton; synthetic fiber fabrics such as rayon and polyester; nonwoven fabrics such as felt; and taffeta fabric. ⁇ Kenaf paper and the like.
- Cotton has high flame retardancy and is preferred from the viewpoint of safety.
- the thickness of the base sheet 2 is about 0.15 mm
- the thickness of the front sheet 3 is about 0.1 mm.
- the interior building material 1 and the front sheet 3 To attach the interior building material 1 and the front sheet 3, apply the interior building material 1 to the base sheet 2, then place the front sheet 3 on the interior building material 1 before drying, and then apply the interior building This is done by drying material 1.
- the gel-like interior building material 1 before drying permeates the front sheet 3 and solidifies the interior building material 1 and the front sheet 3 Is affixed.
- the front sheet 3 prevents the building material 1 for interior from peeling off. Since the front sheet 3 is made of paper or cloth having high air permeability, the effect of the interior building material 1 is sufficiently exhibited without being hindered by the front sheet 3.
- diatomaceous earth to which white silica sand made of quartz grains is added as an aggregate is used as a raw material for the wall material, and water is mixed with the raw material, and water-soluble acryl resin is used as a binder to form a wall material.
- the total amount of diatomaceous earth and silica sand was 20 kg. Specifically, 12 kg of water was mixed with 4 kg of diatomaceous earth and 16 kg of silica sand, and a small amount of water-soluble acryl resin was added as a binder to paint as a wall material.
- the purpose of adding white quartz sand (general term for quartz sand) is to make the wall material white and to use it as aggregate for the walls. This is Sample A (corresponding to Comparative Example).
- the formalin concentration can be suppressed only to the level recommended by the Ministry of Health and Welfare (0.08 ppm), and the drying time is long and the period is long (about 2 days). I understood.
- wall materials were made by increasing the proportion of tourmaline. That is, 4 kg of diatomaceous earth, 6 kg of tourmaline, 4 kg of silica sand A (average particle size: about 30 ⁇ m), 5 kg of silica sand B (average particle size: about 1 mm), and 12 L of water At the same time, a small amount of a water-soluble acryl resin was added as a binder and painted as a wall material. As a result, in sample C, a formalin concentration of 0.01 to 0.04 ppm was achieved. This is far below the value recommended by the Ministry of Health and Welfare. In addition, drying time was greatly reduced, and drying was completed in less than a day.
- Fig 9 shows the results of measurement of formaldehyde emission in each sample.
- a formaldehyde emission test was performed according to the desiccator method (JIS A5908), and the effect of suppressing formaldehyde emission was measured.
- the formaldehyde concentration was measured according to the acetyl ketone method (JIS L 1014-1994).
- the formaldehyde emission is calculated by dividing the concentration detected by the acetylketone method by 3.75 / 0.6 (calculation method for Fco).
- the interior building material of the present invention was actually applied as a wall material / ceiling material of a house, and the effect was confirmed.
- the composition of interior building materials is 4 kg of diatomaceous earth (0.40 specific gravity), 6 kg of tourmaline, 4 kg of silica sand A (average particle size: about 30 ⁇ ), and 5 kg of silica sand B (average particle size: about 1 mm).
- the acryl resin was an aqueous emulsion having a concentration of 5 to 10%, and water was added to make 10 L.
- diatomaceous earth and tolmaline are finely powdered and mixed with water, anion-based dispersing material as a stabilizer, and aion-based acrylic as a binder.
- Marjion was added. Where stable Anion-based dispersant (trade name: Marbon A-40L) was used as the agent, and anion-based acryl emulsion was used as the water-soluble resin binder.
- stable Anion-based dispersant trade name: Marbon A-40L
- anion-based acryl emulsion was used as the water-soluble resin binder.
- the use of these stabilizers, Ayuon-based acryl emulsion is because they are well suited to finely divided diatomaceous earth and tourmaline. If not added, finely divided diatomaceous earth and tourmaline may precipitate. There is. The mixture was stirred for about 10 hours. Next, a mixture of silver oxide and aqueous ammonia was added. The ratio of silver oxide to aqueous ammonia is 1 (silver oxide) to 10 (aqueous ammonia).
- a mixture of silver oxide and aqueous ammonia was added, and the mixture was stirred for about 0.5 hour.
- a mixture of silver oxide and ammonia water in a ratio of about 1 to 10 is added and stirred for a predetermined time, the silver oxide dissolves and becomes transparent. If the ratio of aqueous ammonia is lower than this ratio, silver oxide is not sufficiently dissolved. Addition of ammonia water to silver oxide produces silver diamine (or silver ammonia ion).
- FIG. 3 shows a state of temperature change and humidity change between when the interior building material of the present invention is used and when it is not.
- the construction area is 6 Om 2 .
- the season was summer (July), and measurements were taken at 6 PM.
- the temperature is kept at around 25 ° C, which is an appropriate temperature. Also, it can be seen that the humidity has dropped significantly and the environment is comfortable.
- the formaldehyde concentration was measured in the room where the interior building material of the present invention was installed and in the room where it was not.
- the building material for interior decoration according to the present invention was constructed in a living room of 1F (between 10 tatami mats), and the construction area is about 4 Om 2 of a wall and a ceiling.
- the temperature at the time of measurement was 25 ° C and the humidity was 65%.
- the formaldehyde concentration in this room was less than 0.06 ppm.
- a concrete mechanism of decomposing harmful substances by the interior building material of the present invention which is mainly composed of diatomaceous earth and tourmaline, coming into contact with water molecules in the air, formaldehyde adsorbed by diatomaceous earth is tourmaline. in decomposed into water and diacid I ⁇ oxygen, further release in the form of a negative ion that water hydroxy ions generated by the decomposition (H 3 ⁇ 2).
- the formalin concentration was also measured for the room with a cloth upholstery (2F study) for comparison.
- the temperature in this room was 29 ° (the humidity was 90%.
- the formaldehyde concentration in this room was detected to be more than 0.33 ppm.
- a harmful substance removal test was performed in a living room (10 tatami mats) on the 1F where the interior building material according to the present invention was constructed. In the test, four people smoked in this room at the same time, and the change in harmful substance concentration over time was examined.
- the concentration of harmful substances (nicotine and tar) immediately after smoking was 0.31 ppm or more, and the concentration of harmful substances 5 minutes after smoking was 0.54 ppm or less. It decreased rapidly with the passage of time, and the concentration of harmful substances 1 hour after smoking was 0.21 ppm or less, and the concentration of harmful substances 2 hours after smoking was 0.1 lO.
- the concentration of harmful substances was less than 0.04 ppm after 3 hours after inhalation of tobacco at less than ppm.
- the formaldehyde concentration over time in Example 1 was measured.
- Fig. 4 is a graph of the results.
- Reference A is a construction site using diatomaceous earth as the main raw material
- reference B is a construction site using diatomite and tourmaline as the main raw materials
- Symbol C is a construction site using diatomaceous earth and tourmaline as main raw materials, but a construction site where the amount of tourmaline is larger than that of diatomaceous earth.
- the value of the formaldehyde concentration gradually increases with time, while in the case of C, the value of the formaldehyde concentration is almost constant over time. Show!
- the interior building material of the present invention was constructed as a wall material for a changing room of an educational building (gymnasium) in Hakuba, Nagano Prefecture, and its effect was confirmed.
- an educational building gaknasium
- the building materials for the interior of the present example were of the same blending ratio as in the case of the house of Example 1 above, and were compared with those of the above-mentioned changing room before and during the execution of this example. did.
- “During construction” means that the wall of the dressing room needs to be blown twice, but a comparison experiment was performed between the formaldehyde concentration at the end of the first blow and the work before the construction.
- the composition and preparation of the interior building material are the same as in Experiment 2 above.
- the interior building wall material was applied to a base sheet and dried.
- a backing paper was used as the base sheet.
- the thickness of the backing paper is 0.3 mm, and the thickness of the interior building material is 0.3 mm.
- This interior building material sheet was cut into a size of 15 cm ⁇ 30 cm, which was used as Sample D.
- Sample D For comparison with Sample D, apply only diatomaceous earth to the same backing paper as that used for Sample D, apply resin on it, and dry it.
- Gaseplank E had a formaldehyde concentration of 18 ppm after 2 hours, 14 ppm after 24 hours, and a toluene concentration of 19 ppm after 2 hours and 17 ppm after 24 hours.
- Sample D had a significantly reduced formaldehyde concentration of 0.3 ppm after 2 hours and 0.2 ppm after 24 hours, indicating a high deodorizing effect.
- the specimen was cut into a square of 50 mm ⁇ 2 mm square and tested as a test piece F.
- the test was performed according to the film adhesion method (JISZ2801), 1998 edition, with a bacterial solution condition of 1/50 ONB 0.4 ml, the inoculum E. coli (E. coli) IFO 3972 ⁇ S. aureus (Pseudococcus aureus) I F01 27 32, coated film 4 cm ⁇ 4 cm.
- the inoculum was inoculated on the underlay film placed in a sterile petri dish, covered with a coating film, and the number of viable cells immediately after inoculation and the number of viable cells after storage under the above operating conditions were determined. It was measured. The results are shown in FIG.
- the antimicrobial performance standard of the Antimicrobial Product Technology Council has an increase / decrease value difference of 2.0 or more, but the difference between the test sample F and the control group G is 6.1, which is significantly higher than the antibacterial performance standard. It was confirmed that.
- the number of viable bacteria in the control group G immediately after inoculation is have Staphylococcus aureus Nitsu is 2.
- the number of viable cells in the control group G after storage in the above action conditions 1.
- the viable count is a small decrease in the margin of error.
- the viable cell count of the test piece F was only 10 1 (10 or less), and it was confirmed that the viable cells were significantly reduced.
- the difference between the increase and decrease of the test piece F and the control group G was> 4.1 (4.1 or more), confirming that the difference significantly exceeded the antibacterial performance standard of 2.0.
- the difference between the increase and decrease values is a value calculated by 1 og (the number of viable bacteria in the control group / the number of viable bacteria in the sample).
- SWOM WEL-SUN-DC, Suga tester
- JISB7753 sunshine carbon arc lamp system
- the sterilized petri dish was subjected to a weather resistance test under the same conditions as the above-mentioned test piece H, and the number of viable bacteria was measured by the above-mentioned film adhesion method using the test as a control I.
- the results are shown in FIG.
- the viable cell count of the test piece H was 2.0 ⁇ 10 1 , and it was confirmed that the viable cells were significantly reduced.
- the difference between the increase and decrease of the test piece H in comparison with the control group I was 6.0, and it was confirmed that the difference significantly exceeded the antibacterial performance standard of 2.0.
- the viable cell count in control plot I immediately after inoculation was 2.3 x 10 5 , and the viable count in control plot I after storage under the above conditions was 1.2 x 10 5 .
- the viable count is a small decrease in the margin of error.
- the viable cell count of the test piece H was 10 1 (10 or less), confirming that the viable cells were significantly reduced.
- the difference value of the test piece H from the control group I was> 4.1 (4.1 or more), and it was confirmed that the value significantly exceeded the antibacterial performance standard 2.0.
- building material sheets for interior is there. Further, according to the present invention, it is possible to provide an interior building material, an interior building material panel, and an interior building sheet capable of shortening the drying time and shortening the drying period.
- the building material for interior use has high antibacterial performance and sufficient sustainability, and is effective in that it can be used in hospitals, for example, in order to prevent nosocomial infections. It hardly discolors and is suitable for interior building materials.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- Organic Chemistry (AREA)
- Finishing Walls (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
Description
Claims
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JP2004558440A JP3842280B2 (ja) | 2002-12-09 | 2003-12-09 | 内装用建築材料、内装用建材パネル、及び内装用壁紙 |
AU2003289249A AU2003289249A1 (en) | 2002-12-09 | 2003-12-09 | Interior building material, interior building panel and interior building sheet |
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JP2002-356860 | 2002-12-09 | ||
JP2002356860 | 2002-12-09 |
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WO2004053254A1 true WO2004053254A1 (ja) | 2004-06-24 |
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PCT/JP2003/015693 WO2004053254A1 (ja) | 2002-12-09 | 2003-12-09 | 内装用建築材料、内装用建材パネル、及び内装用建材シート |
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JP (1) | JP3842280B2 (ja) |
CN (1) | CN100350119C (ja) |
AU (1) | AU2003289249A1 (ja) |
WO (1) | WO2004053254A1 (ja) |
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Cited By (21)
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Also Published As
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JP3842280B2 (ja) | 2006-11-08 |
CN100350119C (zh) | 2007-11-21 |
JPWO2004053254A1 (ja) | 2006-04-13 |
AU2003289249A1 (en) | 2004-06-30 |
CN1685121A (zh) | 2005-10-19 |
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