WO2014141319A1 - Élément réducteur de stress pour un corps vivant - Google Patents

Élément réducteur de stress pour un corps vivant Download PDF

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Publication number
WO2014141319A1
WO2014141319A1 PCT/JP2013/001649 JP2013001649W WO2014141319A1 WO 2014141319 A1 WO2014141319 A1 WO 2014141319A1 JP 2013001649 W JP2013001649 W JP 2013001649W WO 2014141319 A1 WO2014141319 A1 WO 2014141319A1
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Prior art keywords
base material
living body
inorganic material
particle
composite inorganic
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PCT/JP2013/001649
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English (en)
Japanese (ja)
Inventor
佐野　昌隆
宮松　宏樹
吉田　貴美
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株式会社エルブ
株式会社東洋クオリティワン
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Application filed by 株式会社エルブ, 株式会社東洋クオリティワン filed Critical 株式会社エルブ
Priority to PCT/JP2013/001649 priority Critical patent/WO2014141319A1/fr
Priority to JP2015505075A priority patent/JP5920906B2/ja
Priority to CN201380074481.4A priority patent/CN105073189A/zh
Publication of WO2014141319A1 publication Critical patent/WO2014141319A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light

Definitions

  • the present invention relates to a living body tension alleviating member aiming to exhibit a relaxing effect when used in contact with or close to a living body.
  • the inventors of the present application discovered a relaxing effect on a living body by a noble metal in the process of developing a composite inorganic material, and developed a member utilizing the action effect.
  • the present invention has been completed in view of the above circumstances, and a biological tension relieving member that can relieve tension in a living body using a composite inorganic material that can add further effects when platinum or the like is supported on an inorganic material. Providing is a problem to be solved.
  • the biological strain relief member that solves the above problems is characterized in that a particle material made of platinum, gold, silver, or palladium having a volume average particle diameter of 1 to 300 nm is the same as the particle material and the carbon particles.
  • a substrate made of an inorganic material such as silica, alumina, zirconium carbide, zirconium oxide, titanium carbide, tungsten carbide, silicon carbide, and / or boron carbide supported on the surface of the particles and / or different particles;
  • An adhesive layer made of colloidal silica interposed between substrates, and a composite inorganic material having A resin base material containing the composite inorganic material and / or adhering to the surface and composed of a resin; Have It is to be used in contact with or close to a living body.
  • this living body tension alleviating member will be described in detail in the embodiments described later, it becomes possible to effectively relieve tension generated in the living body (for example, human body).
  • the composite inorganic material described above is supported on the base material with the particulate material exposed, so that the action of the particulate material is effectively exhibited without being blocked by the base material. it is conceivable that.
  • the effect is surely exerted if it is brought into contact with a living body, but the effect is exerted even if it is placed close to the body (in the case of being disposed through a cloth or a film or in a case of being disposed through a slight gap). It is thought to develop. This is because there is an electromagnetic wave (far infrared rays or the like) as one of the mechanisms involved in the expression of the effect.
  • one or more of the components described in the following (2) or (4) can be adopted.
  • the component (3) can be further employed.
  • the components described in (5) or (6) can be employed.
  • the carbon particles have an average particle diameter of 100 nm or more and 3000 nm or less, are amorphous and amorphous, and are fixed to the surface of the base material by lanthanum boride. By setting the particle size of the carbon particles within this range, far infrared rays can be sufficiently emitted.
  • the inorganic material is zirconium carbide, the surface of the carbon particles is coated, and the average particle size is larger than the carbon particles, Lanthanum boride is contained in the vicinity of the site where the carbon particles and the substrate are in contact. By using lanthanum boride in combination, carbon particles can be firmly bonded to the surface of the substrate without reducing far-infrared radiation.
  • the base material is a particle having a volume average particle diameter of 2 ⁇ m or more.
  • the resin base material has a foam shape in which the composite inorganic material is held on the surface and / or dispersed therein, and is a soft foam.
  • the soft foam is a member represented by urethane foam or the like. Soft foam is used for beds, chairs, pillows, seats for vehicles such as automobiles, airplanes, trains and ships. A soft foam is a member that can be used to rest on it. The soft foam can be expected to exhibit a high effect in combination with the effect of the precious metal contained therein and the relaxation effect that the soft foam inherently has.
  • the resin base material is in the form of a fiber that holds the composite inorganic material on the surface and / or is dispersed inside, and constitutes a cloth.
  • the living body tension relieving member of the present invention can exert a high relaxing effect on the living body due to the synergistic effect of the noble metal and the ceramic.
  • the living body tension relieving member of the present invention will be described in detail based on the following embodiments.
  • the living body tension alleviation member of this embodiment has a composite inorganic material and a resin base material.
  • the living body tension relieving member of this embodiment is used in contact with or close to the living body.
  • “adjacent” includes an aspect in which a gap is used and used near the living body, and an aspect in which the living body is contacted via a space or a thin member (cloth, film, thin plate, etc.).
  • the electromagnetic wave generated from the noble metal can reach the living body even through the cloth.
  • the member has a large number of holes, such as a cloth, the generated ions and the like sufficiently reach the living body.
  • the biotension alleviation member of this embodiment can be expected to be applied to a soft foam or cloth.
  • a resin base material is molded into a foam shape to give cushioning properties.
  • the particulate material is attached to the surface of the resin substrate or dispersed inside.
  • the obtained soft foam can be used for a bed mattress, a pillow, a sofa, a chair, a cushion for a vehicle such as an automobile, an airplane, a train, and a ship, and a sound absorbing material.
  • the resin base material can be made into a fiber shape, and the particle material can be adhered to the surface of the resin base material or contained in the fiber.
  • a fabric can be obtained from the fibers.
  • a method in which the composite inorganic material is attached or spread on the surface of the fiber a method in which the composite inorganic material is attached or spread after forming a cloth can be employed in addition to the method in the fiber state.
  • it can be made into a woven fabric or a non-woven fabric.
  • the obtained cloth can be applied to clothes, bedding (duvet cover, mattress cover, pillow cover, etc.), wallpaper, carpet, chair, sofa, shoes, slippers, and car seat covers such as automobiles, airplanes, trains and ships. .
  • the composite inorganic material used for the biological tension relaxation member of this embodiment can employ
  • a carbide such as zirconium carbide (titanium carbide, tungsten carbide, silicon carbide, boron carbide, etc.) is employed, it can be suitably used for applications in which temperature is controlled such as rapid heating, heat retention, and cooling. These carbides can conduct heat energy effectively.
  • the performance of the supported particulate material can be exhibited without adversely affecting the applied target.
  • a composite inorganic material is one in which a particulate material is supported on a base material made of an inorganic material. Colloidal silica is interposed between the particulate material and the substrate. The colloidal silica interposed therebetween includes a case where part or all of the colloidal silica melts, and includes a case where the particles are partially bonded due to melting.
  • the content of colloidal silica is not particularly limited, but is preferably about 20% to 50%, more preferably about 25% to 30%, based on the total mass.
  • the base material is formed from an inorganic material, and its shape is arbitrary. For example, it can be in powder form.
  • the substrate is powdered, it is desirable to set the size so that it bares on the surface when it is attached or spread on a resin substrate described later or dispersed inside ( For example, a size greater than the film thickness).
  • a composite inorganic material is adhered to the surface of a resin substrate with a resin material (corresponding to a vehicle in terms of paint), a substrate having a particle size larger than the assumed thickness of the resin material is adopted. It becomes easy for the composite inorganic material to be bare.
  • the preferred particle diameter is sufficient if the size of the powder is the same as or larger than that of the particulate material, preferably 10 ⁇ m or less, more preferably 5 ⁇ m or less. Moreover, it is preferable to set it as 0.1 micrometer or more, and it is more preferable to set it as 0.5 micrometer or more.
  • the inorganic material forming the substrate is a carbide such as zirconium carbide, titanium carbide, tungsten carbide, silicon carbide, or boron carbide, or an oxide such as silica, alumina, or zirconium oxide.
  • a carbide such as zirconium carbide is employed, it is desirable that an absorption peak exists at a wavelength of about 0.5 ⁇ m to 10 ⁇ m.
  • the particle material is formed of one or more materials selected from the group consisting of platinum, gold, silver, and palladium, and may contain other elements.
  • the volume average particle size of the particulate material is about 1 nm to 1000 nm, preferably about 10 nm to 300 nm. By making the lower limit of this range, the production is easy, and by making the upper limit, the effect can be surely exhibited. It is desirable that the particle size of the particulate material is as small as possible. In particular, it is desirable that 90% of the particles have a particle diameter of 10 nm to 300 nm on a mass basis.
  • the content of the particulate material is not particularly limited, and an appropriate amount is mixed as necessary.
  • the manufacturing method of a particulate material is not specifically limited, An example is combined and performed by description of a later manufacturing method.
  • the carbon particles are adhered to the surface of the substrate.
  • the particulate material and the carbon particles may be attached together on the same base material, or may be attached to different base materials.
  • the far-infrared action presumed to be the action of the carbon particle
  • the reduction action presumed to be the action of the particle material
  • the method for attaching the carbon particles is not particularly limited, but it is preferable to carry out the method through lanthanum boride.
  • the carbon particles are preferably not small in particle size.
  • the particle size is preferably 3000 nm or less, more preferably 300 nm or less, and particularly preferably 200 nm or less.
  • the existence ratio of the base material to the carbon particles has an appropriate value depending on the particle size and specific surface area of the base material. That is, it is desirable to have carbon particles so that the surface of the substrate can be covered without any gaps.
  • the base material is desirably larger than the particle size of the carbon particles.
  • the amount of lanthanum boride is not particularly limited, but a preferable amount depends on the specific surface area of the substrate, and is desirably an amount capable of sufficiently bonding the carbon particles to the surface of the substrate.
  • the composite inorganic material may contain catechin.
  • catechin can be attached to a portion of the surface of the base material where the particulate material is not attached, can be interposed between the particulate material and the base material, or can cover part or all of the surface of the particulate material.
  • the content of catechin is not particularly limited, but is preferably about 10% to 30%, more preferably about 15% to 20%, based on the total mass.
  • the composite inorganic material manufactured by this manufacturing method is the composite inorganic material described above.
  • the manufacturing method of the composite inorganic material of this embodiment has the carbon particle adhesion process which is a process of attaching carbon particles to the surface of a base material, and also the particle material adhesion process of attaching particle material.
  • the order of mixing the base material, the carbon particle, and the particle material, and the order of bonding are as follows. Not limited
  • the process has the process (heat-treatment process) of heat-processing a base material.
  • the heat treatment step is a step performed by heating the substrate in the presence of the carbon feed material and lanthanum boride.
  • This step is performed in a non-oxidizing atmosphere.
  • the non-oxidizing atmosphere is not particularly limited, and examples thereof include a rare gas such as argon, krypton, xenon, and helium, and the presence of a gas capable of realizing a non-oxidizing atmosphere such as nitrogen and hydrogen, or a vacuum state.
  • an inert gas such as a rare gas.
  • This step is a step that is performed in a temperature range of 1000 ° C. or more and 1200 ° C. or less. By making it into this temperature range, the properties of the produced carbon particles and lanthanum boride are excellent. Specifically, the generated carbon particles and lanthanum boride have a form excellent in far-infrared radiation as described above. What was mentioned above is employable as a base material.
  • the carbon supply material is a material that is carbonized to generate carbon particles under heating conditions of 1000 ° C. or more and 1200 ° C. or less, and is in a gas or liquid state.
  • the material be gasified under the above heating conditions.
  • hydrocarbon gases such as butane, propane, and methane
  • alcohols such as methanol and ethanol can be used.
  • the generated carbon particles have a small particle size.
  • the particle size is preferably 3000 nm or less, more preferably 300 nm or less, and particularly preferably 200 nm or less.
  • a method for reducing the particle size for example, a method of increasing the cooling rate from the maximum temperature to around 800 ° C. (50 to 100 ° C./min) can be mentioned.
  • Adhesion process process to attach particulate material to the substrate
  • the base material is directly applied to the particle material colloid-containing dispersion (when the particulate material is attached to another base material different from the base material on which the carbon particles are attached.
  • the base material on which the carbon particles are attached After mixing, disperse it in the resin substrate described later), or the product obtained in the carbon particle adhesion step (carbon particle adhesion substrate: both particle material and carbon particles are adhered to the same substrate) Is a step of adhering the particulate material colloid to the surface of the substrate.
  • the particulate material colloid is a dispersion having a particulate material, a colloid agent for colloiding the particulate material, and colloidal silica, and dispersed in some dispersion medium.
  • the dispersion medium include water and alcohol (such as ethanol).
  • it does not specifically limit as a colloid agent So-called thickener, surfactant, and the carboxy group containing compound which contains a carboxy group in a chemical structure can be illustrated.
  • colloidal agents include polyacrylic acid (including salts such as Na salt and K salt), polymethacrylic acid (including salts such as Na salt and K salt), polyacrylic acid ester, polymethacrylic acid ester, and polyvinylpyrrolidone.
  • poly-1-vinyl-2-pyrrolidone polyvinyl alcohol, aminopectin, pectin, methylcellulose, methylsulose, glutathione, cyclodextrin, polycyclodextrin, dodecanethiol, organic acids (hydroxycarboxylic acids such as citric acid) And glycerin fatty acid ester (polysorbate), cationic micelle-cetyltrimethylammonium bromide, surfactant (anionic, cationic, amphoteric, nonionic), alkali metal salt of alkyl sulfate, and mixtures thereof.
  • organic acids hydroxycarboxylic acids such as citric acid
  • glycerin fatty acid ester polysorbate
  • cationic micelle-cetyltrimethylammonium bromide surfactant (anionic, cationic, amphoteric, nonionic), alkali metal salt of alkyl sulfate, and mixtures thereof.
  • the colloidal agent is a carboxy group-containing compound
  • the content of the colloidal silica is preferably 10% by mass or more and 50% by mass or less, more preferably 10% by mass or more and 30% by mass or less based on the whole solid content.
  • Colloidal silica has a particle size of about 1 nm to 1 ⁇ m.
  • the particle material colloid-containing dispersion is prepared by precipitating the particle material by refluxing a solution prepared by dissolving a noble metal salt and a protective agent (for example, an organic acid) in a mixed solution of water and alcohol. it can. Thereafter, the dispersion medium can be replaced with alcohol (such as ethanol).
  • the substitution method include a method of repeating the operation of adding a dispersion medium (such as alcohol) after substitution after evaporating a part of the dispersion medium before substitution.
  • the particle material colloid-containing dispersion After the particle material colloid-containing dispersion is brought into contact with the substrate, the particle material colloid is adhered to the surface of the substrate, and then the dispersion medium is removed by any method (for example, drying) to obtain the deposit. .
  • a spray drying process is a desirable method for making the form of the deposit into powder.
  • the spray drying process is a method in which a powdery form is adopted as a base material, and spray drying is performed in a state where the base material is dispersed in a dispersion containing colloidal particle material.
  • the conditions for performing spray drying are not particularly limited, but it is desirable to set the temperature so that the dispersion medium can be removed quickly. For example, when water is used as the dispersion medium, the dispersion medium can be quickly removed by evaporation when the temperature for spray drying is about 180 ° C. to 250 ° C.
  • catechin When employing the spray drying process, catechin can be contained in the particle material colloid-containing dispersion. By adding catechin, the antioxidant ability can be improved. However, since the catechin is also removed when the above heating step is performed, the heating step is not performed when catechin is added, and only the powder is formed in the spray drying step.
  • the content of catechin is not particularly limited, but can be about 10% to 20% based on the total mass. Moreover, you may carry
  • the heating step is a step of oxidizing and removing the colloidal agent by heating in an oxidizing atmosphere. At this time, it is particularly desirable that the colloidal silica is melted or softened to bond between the particulate material and the base.
  • the form of the deposit when performing the heating step is not particularly limited, and can be performed in a powder form or a lump form (for example, a plate form).
  • the composite inorganic material can be formed in a required shape by performing this heating step after finally forming into the required shape. Moreover, it can also be made into powder by adding operations, such as grind
  • the heating temperature is preferably about 800 ° C.
  • the heating time can be appropriately set according to the time required for removing the bound state and the colloidal agent by colloidal silica, and can be set to, for example, about 1 to 3 hours. Note that it is not always necessary to completely remove the colloidal agent.
  • -Resin base material It does not specifically limit except being comprised from a resin material as a resin base material. It does not specifically limit as a form of a resin base material, It shape
  • the resin material include a polymer material.
  • polyurethane, rubber material, latex (foam), polyolefin resin such as polyethylene and polypropylene, polyester resin such as polyethylene terephthalate (PET) resin, polybutylene terephthalate (PBT) resin, polyamide such as nylon 6 and nylon 66 Resin, ABS resin, etc. can be employed.
  • the heating conditions were 1000 ° C. or higher and 1200 ° C. or lower.
  • the mixture was heated in a hydrogen gas atmosphere, and after reaching the set temperature, butane gas was supplied and treated for 45 minutes.
  • the supply amount of butane gas was 2% by mass or more (preferably 3% by mass or more and 4% by mass or less) with respect to zirconium carbide. Actually, since the butane gas concentration differs depending on the space of the atmosphere furnace in which these are sintered, the gas corresponding to the replacement of the hydrogen gas staying in the furnace space with the butane gas was continued.
  • the cooling rate until the temperature reaches 400 ° C. or less, which is a safe temperature at which carbon does not reignite, was set to 50 ° C./min or more.
  • an air cooling method was adopted.
  • the cooling method may be other than the air cooling method as long as it can be rapidly cooled to a safe temperature.
  • the particle diameter of the carbon particles to be generated was changed by changing the conditions.
  • the condition for reducing the particle size of the carbon particles is to increase the cooling rate of 1200 ° C. to 800 ° C. (for example, 50 to 100 ° C./min).
  • the spray drying process was performed on the deposit using a spray dryer.
  • the spray drying was performed by spraying the deposits in a tank having a temperature of about 180 ° C. to 250 ° C.
  • the obtained powder was recovered, then placed in a ceramic container (sheath) and heated in an electric furnace at about 900 to 1000 ° C. for 1 hour (heating step).
  • citric acid as a colloid agent is oxidized and volatilized, and platinum nanoparticles having a volume average particle diameter of about 5 nm are fixed on a silica surface of about 10 ⁇ m, and a fine powdery composite with water resistance.
  • An inorganic material (Test Sample 1) was obtained.
  • Test sample 1 was kneaded into PET fibers (Example 1) and nylon fibers (Example 2) to prepare fibers of the examples.
  • the PET fiber was 150d. In kneading, fibers that were not different from those not kneaded were obtained.
  • the content of the test sample was 7.5 parts by mass with respect to 100 parts by mass of the fiber. Platinum as a noble metal will contain 22.6 micrograms per 1g of mass of the obtained fiber.
  • a mattress cover was manufactured by weaving this fiber into a cloth.
  • a mattress cover of the same shape was manufactured from PET fiber and nylon fiber not containing a test sample.
  • Test 1 Measurement of antioxidant capacity
  • a part (200 mg) of the mattress covers of the examples and comparative examples was cut out and immersed in 12 mL of pure water. Thereafter, 4 mL of an ethanol solution of 0.125 mmol / L DPPH (1,1-diphenyl-2-picrylhydrazyl: manufactured by Wako Pure Chemical Industries, Ltd.) was added and stirred, and left in the dark for 1 hour.
  • the main peak (515 nm) of DPPH was measured.
  • the antioxidant ability of the mattress covers of Examples and Comparative Examples can be measured from the change in the peak size derived from DPPH. If there is an antioxidant ability, the concentration of DPPH (size of peak at 515 nm) becomes small. It shows a value converted into the amount of ascorbic acid from a calibration curve in which the magnitude of the decrease in DPPH peak was measured and calculated in advance.
  • the mattress cover of the comparative example was 0.288 ppm, and when this value was 100, the mattress cover of Example 1 (PET fiber) was 1.578 ppm and 548.
  • the mattress cover of the comparative example was 641 at 1.845 ppm, and the mattress cover of Example 2 (nylon fiber) was 1427 at 4.106 ppm.
  • test sample 2 was attached to the surface of a soft urethane foam as a soft foam.
  • the amount of test sample 2 attached was 80 g / m 2 in a wet state.
  • the mattress before attachment was used as it was for a comparative example (comparative example).
  • Infrared emissivity was measured for the mattresses of Examples and Comparative Examples (based on JIS R 1801). Specifically, the black body and the sample were set to the same temperature (140 ° C.), and each infrared ray (average value of wavelengths 4 to 8 ⁇ m) emitted therefrom was measured by FT-IR. (An ideal black body is an ideal radiator that emits 100% of all wavelengths. Since it does not actually exist, the one close to the ideal black body was used.) The amount of far-infrared emitted from the sample with respect to the amount of far-infrared was calculated and used as the far-infrared emissivity.
  • the Far-Infrared Association has established a standard for far-infrared processing that there is a far-infrared emissivity difference of 5% or more in the entire wavelength range and 10% or more in the specific wavelength range compared to the unprocessed product. As a result, it was 94% for the mattress of the example and 62% for the mattress of the comparative example. That is, it was found that the mattress of this example can exhibit the antioxidant ability and emit infrared rays.
  • chromogranin A CgA
  • POMS saliva and subjective emotion evaluation
  • VAS visual analog scale
  • POMS measures mood by six factors: tension, depression, anger, vitality, fatigue, and confusion, and can also evaluate total mood disorders (TMD).
  • TMD total mood disorders
  • VAS is a visual analog scale of stress that is evaluated by quantifying the position of the line by attaching a line to the position corresponding to the current state on the 10 cm line segment from “I don't feel at all” to “I feel very much”. How to do it.
  • the statistical analysis confirms that there is no difference between the conditions before and after the calculation task, and then sets the baseline after the calculation task, and shows the difference in changes after rest compared to the baseline for each evaluation index.
  • Non-parametric methods were used between mattresses.
  • VAS change The results of statistical analysis are shown in FIG. In FIG. 1, the result of the mattress of the example is described as platinum (or platinum), and the result of the mattress of the comparative example is described as normal (or normal) (the same applies to FIGS. 2 and 3 below). . There was no statistically significant difference between each mattress. However, it is assumed that the overall impression from the average value may affect the mood improvement direction of the mattress of the embodiment.
  • POMS change The results of statistical analysis are shown in FIG. Regarding the POMS score, a tendency to suppress an increase in the fatigue score was observed when taking a break with the mattress of the example.
  • the increase in the fatigue level of the mattress of the comparative example is considered to be fatigue due to the button press reaction task, and it is considered that the mattress of the example can reduce this fatigue.
  • CgA The rate of change of CgA concentration in saliva is shown in FIG. From FIG. 3, the rate of change of the mattress of the example was significantly lower than that of the mattress of the comparative example. That is, the person who took a break with the mattress of the example had the effect of lowering the degree of stress compared with the mattress of the comparative example.
  • the breaks in the mattresses of the examples tend to suppress fatigue due to the execution of mental loads such as calculation tasks and button press tasks compared to the breaks in the mattresses of the comparative examples, and biochemical stress markers It was confirmed that the increase in chromogranin A, which is the above, was suppressed, and it was suggested that there was a stress reduction effect.
  • the living body tension relieving member of the present invention can exert a high relaxing effect on the living body due to the synergistic effect of the noble metal and the ceramic.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Laminated Bodies (AREA)
  • Radiation-Therapy Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

La présente invention concerne un élément réducteur de stress pour un corps vivant, ledit élément réducteur de stress étant capable de soulager un corps vivant d'un stress ou équivalent. Ledit élément réducteur de stress comprend : un matériau inorganique composite qui comprend à la fois un substrat en carbure de zirconium qui porte un matériau particulaire de platine sur la surface et une couche adhésive de silice colloïdale interposée entre le matériau particulaire et le substrat ; et un matériau à base de résine. Le matériau inorganique composite est contenu dans le matériau à base de résine ou adhère à la surface du matériau à base de résine. L'élément réducteur de stress est utilisé en contact avec un corps vivant ou à proximité dudit corps vivant. Tel que ceci est décrit en détails dans l'exemple, l'élément réducteur de stress peut efficacement réduire le stress se produisant dans un corps vivant (tel qu'un corps humain). Bien que le mécanisme de réduction du stress de l'élément ne soit pas clair, on suppose que le matériau particulaire dans le matériau inorganique composite peut agir efficacement sans que le substrat n'interfère avec celui-ci étant donné que le matériau particulaire est porté sur le substrat dans un état exposé.
PCT/JP2013/001649 2013-03-13 2013-03-13 Élément réducteur de stress pour un corps vivant WO2014141319A1 (fr)

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PCT/JP2013/001649 WO2014141319A1 (fr) 2013-03-13 2013-03-13 Élément réducteur de stress pour un corps vivant
JP2015505075A JP5920906B2 (ja) 2013-03-13 2013-03-13 寝具の製造方法
CN201380074481.4A CN105073189A (zh) 2013-03-13 2013-03-13 生物体紧张缓和部件

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JP2006125015A (ja) * 2004-10-28 2006-05-18 Kureatera:Kk 気化熱を利用した断熱材とそれを用いる断熱工法および植栽地盤用保水マット
JP2008162866A (ja) * 2006-12-28 2008-07-17 Erubu:Kk 赤外線放射用複合セラミックス材料、その製造方法及び調理器具用部材並びに炊飯器
WO2009125847A1 (fr) * 2008-04-11 2009-10-15 株式会社エルブ Matériau minéral portant un métal précieux, procédé pour sa production, additif alimentaire et procédé de production d'aliment

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