JPH1112024A - Production of deodorant and antimicrobial ceramic powder material - Google Patents
Production of deodorant and antimicrobial ceramic powder materialInfo
- Publication number
- JPH1112024A JPH1112024A JP9194733A JP19473397A JPH1112024A JP H1112024 A JPH1112024 A JP H1112024A JP 9194733 A JP9194733 A JP 9194733A JP 19473397 A JP19473397 A JP 19473397A JP H1112024 A JPH1112024 A JP H1112024A
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- weight
- powder material
- water
- manganese
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Glanulating (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は水分子の共振波長とされ
る２、５乃至３、２μｍの近赤外線電磁波並びに５、０
乃至７、４μｍの遠赤外線電磁波を有効に放射させて、
水分子の共振励起による活性酸素を創出せしめて消臭及
び抗菌を図ることの可能な、消臭抗菌セラミックス粉材
の製造方法に関するものである。BACKGROUND OF THE INVENTION The present invention relates to near-infrared electromagnetic waves having a resonance wavelength of water molecules of 2, 5 to 3, 2 .mu.m and 5, 0
~ 7, 4μm far-infrared electromagnetic waves effectively emitted,
The present invention relates to a method for producing a deodorant antibacterial ceramic powder material capable of deodorizing and antibacterial by creating active oxygen by resonance excitation of water molecules.
【０００２】[0002]
【従来技術】従来において食品包材や家庭用雑貨、事務
用品類或いは内装材等における抗菌若しくは滅菌手段と
しては、殺菌性や殺黴性を保持する化学薬剤をこれら各
種製品に混合させ若しくは塗着させていたものである
が、かかる化学薬剤による抗菌若しくは滅菌は該化学薬
剤の薬殺成分を溶出させ或いは揮散させることにより効
果を発揮させるものであるから、該薬殺成分の溶出や揮
散による危険性が極めて高く、加えて近年の健康志向の
高まりとも相俟って廃止される現状にある。2. Description of the Related Art Conventionally, as an antibacterial or sterilizing means for food packaging materials, household goods, office supplies and interior materials, a chemical agent having a bactericidal or fungicidal property is mixed or coated on these various products. However, since the antibacterial or sterilization by such a chemical agent exerts its effect by dissolving or volatilizing a drug killing component of the chemical agent, there is a danger due to elution or volatilization of the drug killing component. It is extremely expensive, and is abolished in conjunction with the recent rise in health consciousness.
【０００３】これがため近年においては、例えば特開平
３−１２２１６２号公報で開示されてる如き貴金属類が
有する微量金属イオンによる殺菌作用所謂オリゴダイナ
ミック作用を用いる方法や、酸化チタンの紫外線吸収に
伴う酸化分解力の創出作用を用いる方法が利用されつつ
あるが、オリゴダイナミック作用を用いる場合には菌類
が付着混入する食品類の水分や或いは菌類が混在浮遊す
る空気中の水分と常時接触させる必要上から、該貴金属
類を食品包材や家庭用雑貨、事務用品或いは内装材等製
品の外表面に強固に塗着させる必要があるばかりか、使
用経過に伴って貴金属類の外表面に酸化膜等が形成され
て不動態化しオリゴダイナミック作用が低下する結果と
なる。[0003] For this reason, in recent years, for example, a method using a so-called oligodynamic action by a trace metal ion of a noble metal as disclosed in Japanese Patent Application Laid-Open No. 3-122162, an oxidative decomposition accompanying the ultraviolet absorption of titanium oxide, and the like. Although the method using the force-creating action is being used, when using the oligodynamic action, it is necessary to constantly contact the moisture of the foods to which the fungus adheres or the moisture in the air in which the fungus is mixed and suspended, It is necessary not only to apply the noble metal firmly to the outer surface of products such as food packaging materials, household goods, office supplies or interior materials, but also to form an oxide film on the outer surface of the noble metal with use. Resulting in passivation and reduced oligodynamic action.
【０００４】更に酸化チタンによる酸化分解力を利用す
る方法においても、紫外線の吸収がなされぬ状況下にお
いては酸化分解力が創出されぬばかりか、使用に際して
も各種製品の外表面に強固に塗着させる技術手段も要請
される。Further, in the method utilizing the oxidative decomposition power of titanium oxide, not only the oxidative decomposition power is not created under the condition where the ultraviolet light is not absorbed, but also the outer surface of various products is firmly coated during use. Technical means to make it work is also required.
【０００５】他方臭気に対しては従来より臭気成分より
強い芳香性ガスにより臭気分子をマスキングする方法
や、活性炭を初めゼオライト等臭気分子を吸着しえる吸
着面積の大きな吸着材に吸着させる方法等が専ら採用さ
れてなるものの、マスキングによる方法は使用する芳香
性ガス自体に好き嫌いの選択性があるばかりか、臭気に
よっては合成された臭気が却って悪臭化する危険もあり
且広大な空間の消臭には膨大なマスキング剤を使用し而
も頻繁な補充の必要も生ずる。更には活性炭やゼオライ
ト等の吸着材を使用する方法も、これら吸着材の多量の
微孔内に臭気分子が吸着されることに伴い急激に吸着性
が低下する等短期の使用しかできず、従って吸着材を常
時交換したり或いは使用した吸着材を回収して高温処理
のうえ吸着臭気分子を除去して再利用を図らねばならぬ
等莫大な経費や労力を強いられている。On the other hand, for odors, a method of masking odor molecules with an aromatic gas stronger than the odor component and a method of adsorbing activated carbon on an adsorbent having a large adsorption area capable of adsorbing odor molecules such as zeolite as well as activated carbon have been used. Although it is exclusively used, the masking method not only has the selectivity of the aromatic gas to be used, but also has the danger that the synthesized odor may become unpleasant odor depending on the odor and deodorizes the vast space. Uses an enormous amount of masking agent and requires frequent replenishment. Furthermore, the method using an adsorbent such as activated carbon or zeolite can also be used only for a short period of time, such as a sudden decrease in adsorbability due to odor molecules being adsorbed in a large number of micropores of these adsorbents. The enormous cost and labor are required such that the adsorbent must be constantly replaced or the used adsorbent must be collected and subjected to high-temperature treatment to remove adsorbed odor molecules for reuse.
【０００６】発明者等はかかる実情の問題解決に早くか
ら取組み研究を重ねた結果、細菌や黴菌等菌類の繁殖に
は温度、水分、栄養源及び酸素が不可欠なこと、及び菌
類を形成する細胞の大半が水分で組成されてなることを
始め、臭気は臭気発生源から臭気分子の形態の臭気ガス
が空気中に拡散されて嗅覚されるものであり、且この拡
散された臭気分子周辺には湿度としての水分が存在する
こと、及び水分子には特有の共振波長を有し而もこの共
振波長を有効に励起させることにより水分子から反応性
が高く且酸化分解力を有する活性酸素が創出しえるこ
と、並びに該活性酸素により菌類の生理機能の阻害や繁
殖阻止或いは臭気分子の分解消去がなしえる事実を究明
し、既に多くの先願でその内容を開示している。[0006] The inventors of the present invention have been working on solving the problems of the present situation from an early stage, and as a result, it has been found that temperature, water, nutrient source and oxygen are indispensable for the propagation of fungi such as bacteria and fungi. Most of the odors begin to be composed of moisture, and the odor is the one in which the odor gas in the form of odor molecules is diffused into the air from the odor source and is smelled. As a result, water molecules have a specific resonance wavelength, and by effectively exciting this resonance wavelength, active oxygen having high reactivity and oxidative decomposition power is created from water molecules. And the fact that the active oxygen can inhibit the physiology of fungi, prevent the growth of fungi, or decompose and eliminate odor molecules, and have already disclosed the contents in many prior applications.
【０００７】ところで水分子を有効に励起せしめて活性
酸素を創出させるには、水分子の共振波長領域たる２、
７乃至３、２μｍの近赤外線電磁波並びに５、０乃至
７、４μｍの遠赤外線電磁波を、少なくとも黒体の放射
率に対して０、８以上の放射率を以って放射させる必要
があり、且かかる電磁波放射はその外部温度エネルギー
の吸収変換に伴う再放射であるから吸収エネルギー自体
が微弱であり、従ってこの微細な外部エネルギーを吸収
のうえ効率良く変換して電磁波放射を有効になさしめる
うえからは、均等な組成割合と且均質な焼成がなされた
電磁波放射セラミックス粉材の使用が要請される。In order to effectively excite water molecules to create active oxygen, the resonance wavelength region of water molecules is 2,
It is necessary to emit near-infrared electromagnetic waves of 7 to 3, 2 μm and far-infrared electromagnetic waves of 5, 0 to 7, 4 μm with an emissivity of 0, 8 or more with respect to the emissivity of the black body, and Since such electromagnetic radiation is re-radiation due to the absorption conversion of the external temperature energy, the absorption energy itself is weak. Therefore, from the viewpoint of absorbing and converting this minute external energy efficiently and making the electromagnetic radiation effective. Requires the use of an electromagnetic radiation ceramic powder material having a uniform composition ratio and homogeneous firing.
【０００８】[0008]
【発明が解決しようとする課題】即ち本発明は酸化珪素
並びに酸化アルミニウムを主要成分とし、且酸化コバル
ト、酸化鉄、酸化マンガン、酸化チタンからなる遷移元
素酸化物及び酸化亜鉛の組成割合が均等で而も均質な焼
成をなすことにより、放射波長が２、７乃至３、２μｍ
の近赤外線並びに５、０乃至７、４μｍの遠赤外線電磁
波を黒体の放射率に対し少なくとも０、８以上の放射率
で放射させて、水分子を有効に励起せしめて活性酸素を
創出させ、以って優れた消臭性と抗菌性を発揮しえる消
臭抗菌セラミックス粉材の製造方法を提供することにあ
る。That is, the present invention comprises silicon oxide and aluminum oxide as main components, and the composition ratios of transition element oxides composed of cobalt oxide, iron oxide, manganese oxide and titanium oxide and zinc oxide are uniform. By performing homogeneous firing, the emission wavelength is 2, 7 to 3, 2 μm.
The near-infrared ray and the far-infrared ray of 5, 0 to 7, 4 μm are radiated at an emissivity of at least 0, 8 or more with respect to the emissivity of the black body to effectively excite water molecules to create active oxygen, Accordingly, an object of the present invention is to provide a method for producing a deodorant antibacterial ceramic powder material that can exhibit excellent deodorant properties and antibacterial properties.
【０００９】[0009]
【課題を解決するための手段】上述の課題を解決するた
めに本発明が採用した技術的手段は、主要成分を構成し
且その熱的特性並びに比重も近似する酸化珪素と酸化ア
ルミニウムとを、酸化珪素の重量に対して酸化アルミニ
ウムを２５乃至５０％重量割合で配合し、且相互の結合
性を高めるためにこの配合された全体重量に対し結合媒
材として水を１８０乃至２４０％重量添加のうえ十分に
混合させ、而して１０５０乃至１２５０℃の加熱雰囲気
中に噴霧し焼成させて所要粒径の酸化珪素−酸化アルミ
ニウム粉材を形成し、更には遷移元素酸化物においても
その熱的特性並びに比重も近似ずる酸化コバルトと酸化
鉄とを５０％重量割合で配合のうえ、相互の結合性を高
めるためにこの配合された全体重量に対し結合媒材とし
て水を１８０乃至２４０％重量添加のうえ十分に混合さ
せ、而して１０００乃至１２００℃の加熱雰囲気中に噴
霧し焼成させることにより所要粒径の酸化コバルト−酸
化鉄粉材を形成し、且同様にその熱的特性と比重におい
ても近似する酸化マンガンと酸化チタンとを、酸化マン
ガンの重量に対し酸化チタンを２０乃至４０％重量割合
で配合のうえ、相互の結合性を高めるためにこの配合さ
れた全体重量に対し結合媒材として水を１８０乃至２４
０％重量添加のうえ十分に混合させ、而して１１００乃
至１３００℃の加熱雰囲気中に噴霧し焼成させることに
より所要粒径の酸化マンガン−酸化チタン粉材を形成す
る。The technical means adopted by the present invention to solve the above-mentioned problems is that silicon oxide and aluminum oxide, which constitute the main components and have similar thermal properties and specific gravities, Aluminum oxide is blended in a proportion of 25 to 50% by weight with respect to the weight of silicon oxide, and water is added as a binding medium in an amount of 180 to 240% by weight with respect to the blended total weight in order to enhance mutual bonding. And then sufficiently sprayed and fired in a heating atmosphere at 1050 to 1250 ° C. to form a silicon oxide-aluminum oxide powder having a required particle size. In addition, cobalt oxide and iron oxide, which have similar specific gravities, are blended at a weight ratio of 50%, and water is used as a bonding medium material in an amount of 180 to 180 to improve the mutual binding property. By adding 40% by weight and mixing well, the mixture is sprayed and heated in a heating atmosphere at 1000 to 1200 ° C. to form a cobalt oxide-iron oxide powder material having a required particle size. Manganese oxide and titanium oxide, which are also similar in characteristics and specific gravity, are blended with titanium oxide in a weight ratio of 20 to 40% with respect to the weight of manganese oxide. On the other hand, 180 to 24 water is used as the coupling medium.
By adding 0% by weight and mixing well, the mixture is sprayed and heated in a heating atmosphere at 1100 to 1300 ° C. to form a manganese oxide-titanium oxide powder material having a required particle size.
【００１０】そしてかかる如く形成された酸化珪素−酸
化アルミニウム粉材を６０乃至８０％重量に酸化コバル
ト−酸化鉄粉材及び酸化マンガン−酸化チタン粉材、若
しくは酸化マンガン−酸化チタン粉材を１５乃至３０％
重量配合し更に酸化亜鉛を５乃至１０％重量配合のう
え、これら相互の結合性を高めるためにこの配合された
全体重量に対して結合媒材としての水を１８０乃至２４
０％重量添加して相互の十分な混合を図る。而して９５
０乃至１１５０℃の加熱雰囲気中に噴霧させて焼成をな
すことにより所要の粒径の消臭抗菌セラミックス粉材を
製造する方法に存する。更には組成成分に極めて微粒状
のものを使用する場合には、焼成に先立つ混合に際して
の不規則凝集塊の生成を防止するうえから、結合媒材と
してイソプロピルアルコール、エタノール、トルエン若
しくはトリクロロエチレンからなる有機溶剤に、ポリビ
ニルアルコール、セルロースアセテート若しくはポリメ
タアクリレートからなる結合剤を５乃至１０％重量溶解
させたものを用いることにある。[0010] The silicon oxide-aluminum oxide powder formed as described above is used in an amount of 60 to 80% by weight of a cobalt oxide-iron oxide powder and a manganese oxide-titanium oxide powder or a manganese oxide-titanium oxide powder in a weight of 15 to 80%. 30%
5 to 10% by weight of zinc oxide, and water as a binding medium material in an amount of 180 to 24 with respect to the total weight of the compounded material in order to enhance the mutual binding.
Add 0% by weight to mix thoroughly. Thus 95
The present invention resides in a method for producing a deodorant antibacterial ceramic powder material having a required particle size by spraying in a heating atmosphere of 0 to 1150 ° C. and firing. Furthermore, when a very fine-grained component is used, in order to prevent the formation of irregular agglomerates during mixing prior to firing, an organic material containing isopropyl alcohol, ethanol, toluene or trichloroethylene as a binding medium is used. It is to use a solution in which 5 to 10% by weight of a binder made of polyvinyl alcohol, cellulose acetate or polymethacrylate is dissolved in a solvent.
【００１１】[0011]
【作 用】上述の如き技術的手段を用いてなる本発明は
以下のような作用を有する。即ち主要成分を構成する酸
化珪素と酸化アルミニウムは融点を初め熱的特性と且比
重も近似するものであるから、予め酸化佳素の重量に対
し酸化アルミニウムを２５乃至５０％重量割合で配合
し、且この全体重量に対して結合媒材として水が１８０
乃至２４０％重量添加されるため噴霧に供しえる低粘度
の流体となり、更には成分相互も均等且十分に混合され
る。而してその温度が１０５０乃至１２５０℃に加熱さ
れた加熱雰囲気中に所要粒径に造粒されるよう噴霧させ
ることにより、微粉状に噴霧された酸化珪素と酸化アル
ミニウムの混合物は十分な焼成熱エネルギーを受容し、
均質に焼成された酸化珪素−酸化アルミニウム粉材が形
成される。The present invention having the above technical means has the following effects. That is, silicon oxide and aluminum oxide, which constitute the main components, are similar in thermal characteristics and specific gravity, including the melting point, and aluminum oxide is previously blended in a weight ratio of 25 to 50% with respect to the weight of silicon oxide. In addition, water as a binding medium material is 180
Since it is added in an amount of up to 240% by weight, it becomes a low-viscosity fluid usable for spraying, and the components are evenly and thoroughly mixed. By spraying the mixture in a heating atmosphere heated to a temperature of 1050 to 1250 ° C. so as to obtain granules having a required particle size, the mixture of the silicon oxide and the aluminum oxide sprayed in a fine powder form has a sufficient calcination heat. Accepts energy,
A homogeneously fired silicon oxide-aluminum oxide powder material is formed.
【００１２】他方酸化コバルト、酸化鉄、酸化マンガン
及び酸化チタンからなる遷移元素酸化物においても、そ
の熱的特性や比重の近似する酸化コバルト及び酸化鉄を
同量割合で配合のうえ、この全体重量に対し結合媒材と
して水が１８０乃至２４０％重量添加されるため噴霧に
供しえる低粘度の流体となり、且成分相互も均等に十分
な混合がなされる。而してその温度が１０００乃至１２
００℃に加熱された加熱雰囲気中に所要粒径に造粒され
るよう噴霧させるため、微粉状に噴霧された酸化コバル
ト及び酸化鉄の混合物は十分な焼成熱エネルギーを受容
し、均質に焼成された酸化コバルト−酸化鉄粉材が形成
されることとなり、更にはその熱的特性や比重の近似す
る酸化マンガン及び酸化チタンにおいても、酸化マンガ
ンに対して酸化チタンを２０乃至４０％重量割合で配合
し且この全体重量に対して結合媒材としての水が１８０
乃至２４０％重量添加させるため、噴霧に供しえる低粘
度の流体となり且相互の成分も均等に十分な混合がなし
える。而して１１００乃至１３００℃に加熱された加熱
雰囲気中に所要粒径に造粒されるよう噴霧させるため、
微粉状に噴霧された酸化マンガン及び酸化チタンの混合
物は十分な焼成熱エネルギーを受容し、均質に焼成され
た酸化マンガン−酸化チタン粉材が形成される。そして
かかる如く熱的特性や比重の近似する成分相互を配合
し、且結合媒材を添加し噴霧に供しえる低粘度の流体と
なすことにより十分な混合が図られたうえ噴霧し焼成す
ることにより、予め均等な組成成分で且均質に焼成させ
た酸化珪素−酸化アルミニウム粉材と酸化コバルト−酸
化鉄粉材や酸化マンガン−酸化チタン粉材及び酸化亜鉛
を所要割合で配合し、且結合媒材を添加して再び噴霧に
供しえる低粘度の流体となすため十分な混合が図られ、
而して所要粒径に造粒されるよう加熱雰囲気中に噴霧さ
せるため、組成成分が極めて均等に且均質な焼成が短時
間でなしえる。On the other hand, transition element oxides composed of cobalt oxide, iron oxide, manganese oxide and titanium oxide are also blended in the same proportions of cobalt oxide and iron oxide having similar thermal properties and specific gravities, and the total weight thereof is reduced. On the other hand, since 180 to 240% by weight of water is added as a binding medium, a low-viscosity fluid usable for spraying is obtained, and the components are evenly and thoroughly mixed. And the temperature is 1000 to 12
A mixture of cobalt oxide and iron oxide sprayed in a fine powder form receives a sufficient calcining heat energy and is homogeneously calcined so as to be sprayed in a heating atmosphere heated to 00 ° C. so as to be granulated to a required particle size. Cobalt oxide-iron oxide powder material is formed, and in the case of manganese oxide and titanium oxide having similar thermal properties and specific gravities, titanium oxide is blended at a weight ratio of 20 to 40% to manganese oxide. Water as a binding medium material is 180
Since it is added in an amount of up to 240% by weight, it becomes a low-viscosity fluid usable for spraying, and the mutual components can be evenly and sufficiently mixed. Thus, spraying is performed in a heating atmosphere heated to 1100 to 1300 ° C. so as to be granulated to a required particle size.
The mixture of manganese oxide and titanium oxide sprayed in the form of fine powder receives sufficient calcining heat energy to form a homogeneously calcined manganese oxide-titanium oxide powder material. By mixing the components having similar thermal properties and specific gravities as described above, and by adding a binding medium to form a low-viscosity fluid that can be used for spraying, sufficient mixing is achieved, followed by spraying and firing. A silicon oxide-aluminum oxide powder, a cobalt oxide-iron oxide powder, a manganese oxide-titanium oxide powder, and a zinc oxide, which are previously fired uniformly and uniformly in a uniform composition, are blended in a required ratio. And sufficient mixing to achieve a low-viscosity fluid ready for spraying again.
Since the composition is sprayed in a heated atmosphere so as to be granulated to a required particle size, it is possible to perform calcination in a very short time in a uniform composition.
【００１３】[0013]
【実施例】以下に本発明の実施例を詳細に説明すれば、
本発明は放射波長が５、０乃至７、４μｍの遠赤外線領
域の電磁波放射に係る組成成分に酸化珪素及び酸化アル
ミニウムを用いるものであって、該組成成分の使用粒径
は形成されるセラミックス粉材の粒径により決定される
が、一般的には略１０乃至３０μｍ程度であるから該組
成成分に用いる粒径としては略１／５乃至１／３程度の
物が選択される。そして酸化珪素に対する酸化アルミニ
ウムの配合割合は２５乃至５０％重量割合が好適であり
且熱的特性及び比重も近似することから、予め酸化珪素
の重量に対し酸化アルミニウムを２５乃至５０％重量割
合で配合する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail.
According to the present invention, silicon oxide and aluminum oxide are used as a component relating to electromagnetic radiation in the far-infrared region having a radiation wavelength of 5, 0 to 7, and 4 μm. Although it is determined by the particle diameter of the material, it is generally about 10 to 30 μm, so that about 1/5 to 1/3 is selected as the particle diameter used for the composition component. The proportion of aluminum oxide to silicon oxide is preferably 25 to 50% by weight, and the thermal characteristics and specific gravity are close to each other. Therefore, aluminum oxide is previously mixed at 25 to 50% by weight with respect to the weight of silicon oxide. I do.
【００１４】而してこの配合された酸化珪素及び酸化ア
ルミニウムを均等に混合させ且所要の粒径の微細な粉状
に形成させるうえから噴霧による造粒と焼成をなすうえ
で該配合された酸化珪素及び酸化アルミニウムの全体重
量に対して、結合媒材として水を１８０乃至２４０％重
量割合で添加のうえ撹拌混合させて噴霧に供しえる低粘
度の流体となす。Thus, the compounded silicon oxide and aluminum oxide are uniformly mixed and formed into a fine powder having a required particle size, and then the compounded oxide is mixed for granulation and firing by spraying. Water is added as a binding medium at a weight ratio of 180 to 240% by weight based on the total weight of silicon and aluminum oxide, and then mixed with stirring to form a low-viscosity fluid that can be used for spraying.
【００１５】かくして結合媒材としての水が添加され流
体化された酸化珪素及び酸化アルミニウム混合物は所要
粒径に造粒させつつ相互の焼成を図るため、その温度が
１０５０乃至１２５０℃に加熱された加熱雰囲気中に噴
霧される。かかる場合において、加熱雰囲気中における
噴霧による造粒及び焼成についての装置面には特段の制
約はなく、一般的には略円筒形状の炉体の上部に所要の
成分組成で配合され且所要割合の結合媒材が添加されて
噴霧に供しえる低粘度の流体を適宜の圧力を以って噴霧
させる多数の噴霧孔が設けられてなり、且該炉体の中間
部位には所要の温度の加熱雰囲気に保持させるための加
熱空気若しくは加熱ガスを供給する供給管が設けられ、
更にその下部位には集塵機器を介して内部の加熱空気或
いは加熱ガスを排出する排気管が設けられ、而も下端に
は焼成された粉材の取出口が設けられた構成のもので十
分に使用できる。The silicon oxide and aluminum oxide mixture fluidized by adding water as a coupling medium material was heated to a temperature of 1050 to 1250 ° C. in order to perform mutual firing while granulating to a required particle size. Sprayed into heated atmosphere. In such a case, there is no particular restriction on the apparatus surface for granulation and baking by spraying in a heating atmosphere, and generally, it is blended with a required component composition at the upper part of a substantially cylindrical furnace body and a required ratio A large number of spray holes are provided for spraying a low-viscosity fluid to which a binder medium is added and supplied for spraying at an appropriate pressure, and a heating atmosphere of a required temperature is provided at an intermediate portion of the furnace body. A supply pipe for supplying heated air or heated gas for holding the
Further, an exhaust pipe for discharging the heated air or gas inside through a dust collecting device is provided in a lower portion thereof, and a structure in which an outlet for a fired powder material is provided at a lower end is sufficiently provided. Can be used.
【００１６】酸化珪素及び酸化アルミニウムの混合され
た流体を噴霧させる場合の圧力は、該流体の粘度や噴霧
孔の大きさ及び噴霧造粒する粒径等により決定されるも
ので、当然に噴霧に伴い結合媒材が蒸散し焼成されるた
め、噴霧時の造粒径に対して実質的に蒸散喪失する結合
媒材の喪失分の割合で、形成される粉材は小さく形成さ
れる。そして肝要なことは噴霧造粒により焼成し形成す
る粉材の粒径が１μｍ以下の微粒な物を形成する場合に
は、使用する酸化珪素や酸化アルミニウムの粒径も略
０、１乃至０、３μｍの極めて微粒の物が使用されるこ
とになるが、かかる極めて微粒の物の使用に際しては結
合媒材として水を使用するとその表面張力により混合物
に不規則な凝集塊が生成され易く、均等な組成成分の粉
材の形成が至難となるため、かかる場合においては、結
合媒材として水に代えてイソプロピルアルコール、エタ
ルーノ、トルエン若しくはトリクロロエチレン等の有機
溶剤に、結合材としてポリビニルアルコール、セルロー
スアセテート若しくはポリメタアクリレートを５乃至１
０％重量溶解させたものが使用される。更に焼成に係る
加熱雰囲気の温度は酸化珪素及び酸化アルミニウムの熱
的特性と均質な焼成をなすうえから決定されたものであ
り、且具体的焼成時間は加熱雰囲気の温度条件や結合媒
材の添加割合、噴霧造粒に際しての粒径で適宜に決定さ
れる。The pressure at which a fluid containing a mixture of silicon oxide and aluminum oxide is sprayed is determined by the viscosity of the fluid, the size of the spray holes, the particle size of the spray granulation, and the like. Since the binder medium evaporates and is baked, the formed powder material is formed to be small in proportion to the loss of the binder medium that substantially loses evaporation with respect to the particle size at the time of spraying. It is important to note that when fine particles having a particle diameter of 1 μm or less are formed by firing by spray granulation, the particle diameters of silicon oxide and aluminum oxide used are also approximately 0, 1 to 0, Very fine particles having a size of 3 μm are to be used. In the case of using such very fine particles, when water is used as a binding medium, irregular agglomerates are liable to be formed in the mixture due to the surface tension, and uniform In such a case, it is extremely difficult to form a powdery material of the composition component. 5 to 1 methacrylate
A solution dissolved by 0% by weight is used. Further, the temperature of the heating atmosphere for firing is determined based on the thermal characteristics of silicon oxide and aluminum oxide and uniform firing, and the specific firing time depends on the temperature conditions of the heating atmosphere and the addition of the binding medium. The ratio is appropriately determined by the ratio and the particle size during spray granulation.
【００１７】他方その放射波長が２、７乃至３、２μｍ
の近赤外線領域の電磁波放射を有効に放射させるために
は、酸化コバルトや酸化鉄或いは酸化マンガンや酸化チ
タン等の遷移元素酸化物が使用されるものであって、こ
れら遷移元素酸化物はその熱的特性や比重も大きく異に
し、而も該遷移元素酸化物のうち酸化マンガン及び酸化
チタンは近赤外線電磁波放射のための不可欠の成分であ
り、且配合使用に際しては酸化マンガンに対し酸化チタ
ンが２０乃至４０％重量割合で使用される。反面酸化コ
バルト及び酸化鉄は付加的成分とされ、且その配合使用
に際しては酸化コバルトと酸化鉄は略同等量で使用され
る。而も酸化コバルトと酸化鉄、及び酸化マンガンと酸
化チタンとは熱的特性並びに比重が近似している。On the other hand, the radiation wavelength is 2, 7 to 3, 2 μm
In order to effectively emit electromagnetic radiation in the near-infrared region, transition element oxides such as cobalt oxide, iron oxide, manganese oxide, and titanium oxide are used. Manganese oxide and titanium oxide are indispensable components for near-infrared electromagnetic wave radiation among the transition element oxides. It is used at a weight ratio of about 40%. On the other hand, cobalt oxide and iron oxide are used as additional components, and when they are used in combination, cobalt oxide and iron oxide are used in substantially equal amounts. Further, cobalt oxide and iron oxide, and manganese oxide and titanium oxide have similar thermal properties and specific gravities.
【００１８】そこで遷移元素酸化物においては酸化コバ
ルトに酸化鉄を同等量で配合し、且この全体重量に対し
て結合媒材としての水を１８０乃至２４０％重量割合で
添加し、噴霧に供しえる低粘度の流体となしたうえ撹拌
し相互を十分に混合させる。而してその温度が９５０乃
至１１５０℃に加熱された加熱雰囲気中に所要粒径で造
粒されるよう噴霧させて焼成することにより酸化コバル
ト−酸化鉄粉材を形成する。かかる場合における加熱雰
囲気の温度は、酸化コバルト及び酸化鉄の熱的特性と均
質な焼成をなすうえで決定されたものであり、且具体的
焼成時間は加熱雰囲気の温度条件、結合媒材の添加割
合、噴霧造粒に際しての粒径等で適宜に決定される。そ
して酸化コバルトや酸化鉄が極めて微粒の物が使用され
る場合には、結合媒材を水に代えて前記有機溶剤に結合
材溶解させたものが使用される。Therefore, in the transition element oxide, iron oxide is mixed with cobalt oxide in an equal amount, and water as a binder is added at a weight ratio of 180 to 240% with respect to the total weight thereof, and the mixture is subjected to spraying. Agitate into a low viscosity fluid and mix thoroughly. Thus, a cobalt oxide-iron oxide powder material is formed by spraying and firing in a heating atmosphere heated to a temperature of 950 to 1150 ° C. so as to obtain granules having a required particle size. In such a case, the temperature of the heating atmosphere is determined in order to make the thermal characteristics of the cobalt oxide and the iron oxide and uniform firing, and the specific firing time is determined by the temperature conditions of the heating atmosphere and the addition of the binding medium. The ratio is appropriately determined based on the ratio, the particle size in spray granulation, and the like. When very fine particles of cobalt oxide or iron oxide are used, a material obtained by dissolving the binder in the organic solvent is used instead of water as the binder.
【００１９】更に酸化マンガン及び酸化チタンにおいて
は酸化マンガンに対して酸化チタンを２０乃至４０％重
量割合で配合し、この全体重量に対して結合媒材として
の水を１８０乃至２４０％重量割合で添加し、噴霧に供
しえる低粘度の流体となしたるうえ撹拌により十分に混
合させ、而して１１００乃至１３００℃の温度に加熱さ
れた加熱雰囲気中に所要の粒径で造粒されるよう噴霧さ
せて焼成することにより酸化マンガン−酸化チタン粉材
を形成する。かかる場合においても、加熱雰囲気の温度
は酸化マンガン及び酸化チタンの熱的特性と均質な焼成
をなすうえから決定されたものであって、該酸化マンガ
ン−酸化チタン粉材においても使用される酸化マンガン
或いは酸化チタンに極めて微粒な物が使用される場合に
は、結合媒材として水に代えて前記有機溶剤に結合材を
溶解させたものが使用される。Further, in the case of manganese oxide and titanium oxide, titanium oxide is blended in a proportion of 20 to 40% by weight with respect to manganese oxide, and water as a binder is added in a proportion of 180 to 240% by weight based on the total weight. Then, a low-viscosity fluid ready for spraying is formed and mixed sufficiently by stirring, and then sprayed so as to be granulated to a required particle size in a heating atmosphere heated to a temperature of 1100 to 1300 ° C. By firing and firing, a manganese oxide-titanium oxide powder material is formed. Even in such a case, the temperature of the heating atmosphere is determined based on the thermal characteristics of manganese oxide and titanium oxide and uniform firing, and the manganese oxide used in the manganese oxide-titanium oxide powder material is also used. Alternatively, when extremely fine particles of titanium oxide are used, a material obtained by dissolving a binder in the organic solvent is used instead of water as a binder.
【００２０】かかる如く成分相互が十分に混合され均等
な組成成分で且均質に焼成された酸化珪素−酸化アルミ
ニウム粉材と酸化コバルト−酸化鉄粉材及び酸化マンガ
ン−酸化チタン粉材とを用い、酸化珪素−酸化アルミニ
ウム粉材を６０乃至８０％重量に酸化コバルト−酸化鉄
粉材及び酸化マンガン−酸化チタン粉材、若しくは酸化
マンガン−酸化チタン粉材を１５乃至３０％重量割合で
配合し、更に酸化亜鉛を５乃至１０％重量割合で配合の
うえこの全体重量に対して結合媒材として水を１８０乃
至２４０％重量割合で添加し、噴霧に供しえる低粘度の
流体となしたるうえ撹拌して十分に混合させたうえ、そ
の温度が９５０乃至１１５０℃に加熱された加熱雰囲気
中に所要の粒径に造粒されるよう噴霧させて焼成するこ
とにより、均等な組成成分で均質に焼成された本発明消
臭抗菌セラミックス粉材が形成される。かかる場合にお
いても酸化珪素−酸化アルミニウム粉材を始め酸化コバ
ルト−酸化鉄粉材若しくは酸化マンガン−酸化チタン粉
材、或いは酸化亜鉛の粒径が実質的に１μｍ以下の極め
て微粒なものが使用される場合には、結合媒材を水に代
えて前記有機溶剤に結合材を溶解させたものの使用が好
適である。Using a silicon oxide-aluminum oxide powder, a cobalt oxide-iron oxide powder and a manganese oxide-titanium oxide powder which are sufficiently mixed with each other and uniformly baked as described above, The silicon oxide-aluminum oxide powder is blended in a weight ratio of 60 to 80% with the cobalt oxide-iron oxide powder and the manganese oxide-titanium oxide powder or the manganese oxide-titanium oxide powder in a weight ratio of 15 to 30%. Zinc oxide is blended at 5 to 10% by weight, and water is added at 180 to 240% by weight as a binding medium to the total weight to form a low-viscosity fluid ready for spraying and stirring. By mixing and sintering the mixture in a heating atmosphere heated to a temperature of 950 to 1150 ° C. so as to obtain granules having a required particle size, thereby obtaining an even The present invention deodorant antibacterial ceramic powder material which is homogeneously sintered in forming component is formed. In such a case, a silicon oxide-aluminum oxide powder, a cobalt oxide-iron oxide powder, a manganese oxide-titanium oxide powder, or an extremely fine powder having a particle diameter of substantially 1 μm or less is used. In this case, it is preferable to use a material in which the binder is dissolved in the above-mentioned organic solvent instead of water as the binder.
【００２１】[0021]
【発明の効果】本発明は上述の如く、酸化珪素や酸化ア
ルミニウムに加え、酸化コバルト、酸化鉄、酸化マンガ
ン、酸化チタン等遷移元素酸化物、及び酸化亜鉛等熱的
特性や比重等性質を異にする組成成分においても、その
熱的特性並びに比重等の近似する組成成分相互を所要の
配合割合で配合し、且この全体重量に対し１８０乃至２
４０％重量の結合媒材を添加し噴霧しえる低粘度の流体
となしたるうえ十分に混合させ、而して所要温度の加熱
雰囲気中に所要の粒径に造粒されるよう噴霧させるため
造粒される粒径が小さく且表面積率が大きなため加熱雰
囲気中の焼成熱エネルギーが効率良く吸収され、極めて
短時間に組成成分が均等で且均質な焼成がなされた酸化
珪素−酸化アルミニウム粉材や酸化コバルト−酸化鉄粉
材或いは酸化マンガン−酸化チタン粉材が形成される。
而してかかる組成成分が均等で且均質に焼成のなされた
酸化珪素−酸化アルミニウム粉材と、酸化コバルト−酸
化鉄粉材及び酸化マンガン−酸化チタン粉材、若しくは
酸化マンガン−酸化チタン粉材並びに酸化亜鉛を所要の
割合に配合し、且この全体重量に対して結合媒材が１８
０乃至２４０％重量割合で添加されるため、噴霧に供し
える低粘度の流体となるため相互の混合が十分になさ
れ、而して所要の温度に加熱された加熱雰囲気中に所要
の粒径に造粒されるよう噴霧させるため、組成成分が一
段と均等で且極めて短時に均質な焼成がなされて本発明
消臭抗菌セラミックス粉材が形成されるため、水分子を
励起させる電磁波が有効に放射され活性酸素の創出が図
れる等優れた特長を具備した消臭抗菌セラミックス粉材
の製造方法である。According to the present invention, as described above, in addition to silicon oxide and aluminum oxide, transition element oxides such as cobalt oxide, iron oxide, manganese oxide, titanium oxide, and zinc oxide have different thermal properties and specific gravity properties. Also, the composition components having similar thermal properties and specific gravities are blended in a required blending ratio, and the total weight is 180 to 2
40% by weight of a binding medium is added to form a low-viscosity fluid that can be sprayed and mixed well, so that it is sprayed in a heated atmosphere at a required temperature so as to be granulated to a required particle size. A silicon oxide-aluminum oxide powder material having a small particle size and a large surface area ratio, which efficiently absorbs the heat energy of firing in a heating atmosphere, and has an even and uniform composition in an extremely short time. Or a cobalt oxide-iron oxide powder material or a manganese oxide-titanium oxide powder material.
Thus, a silicon oxide-aluminum oxide powder, a cobalt oxide-iron oxide powder and a manganese oxide-titanium oxide powder, or a manganese oxide-titanium oxide powder, which are uniformly and homogeneously fired, have such composition components. Zinc oxide is blended in a required ratio, and the total amount of the binder medium is 18%.
Since it is added at a weight ratio of 0 to 240%, it becomes a low-viscosity fluid ready for spraying, and is sufficiently mixed with each other, so that a desired particle size can be obtained in a heating atmosphere heated to a required temperature. Since the composition is sprayed so as to be granulated, the components are more evenly and homogeneously fired in an extremely short time to form the deodorant antibacterial ceramic powder material of the present invention, so that electromagnetic waves for exciting water molecules are effectively radiated. This is a method for producing a deodorant antibacterial ceramic powder material having excellent features such as creation of active oxygen.
Claims (2)
を２５乃至５０％重量割合で配合し、この全体重量に対
し結合媒材として水を１８０乃至２４０％重量割合添加
のうえ十分混合させ、而して１０５０乃至１２５０℃の
加熱雰囲気中に噴霧させて所要粒径に焼成させた酸化珪
素−酸化アルミニウム粉材と、酸化コバルトと酸化鉄を
同重量割合で配合し、この全体重量に対し結合媒材とし
て水を１８０乃至２４０％重量割合添加のうえ十分に混
合させ、而して１０００乃至１２００℃の加熱雰囲気中
に噴霧させて所要粒径に焼成させた酸化コバルト−酸化
鉄粉材、並びに酸化マンガンの重量に対し酸化チタンを
２０乃至４０％重量割合で配合し、この全体重量に対し
結合媒材として水を１８０乃至２４０％重量割合添加の
うえ十分混合させ、而して１１００乃至１３００℃の加
熱雰囲気中に噴霧させて所要粒径に焼成させた酸化マン
ガン−酸化チタン粉材、及び所要の粒径の酸化亜鉛とを
用い、酸化珪素−酸化アルミニウム粉材が６０乃至８０
％重量、酸化コバルト−酸化鉄粉材及び酸化マンガン−
酸化チタン粉材若しくは酸化マンガン−酸化チタン粉材
が１５乃至３０％、及び酸化亜鉛５乃至１０％重量割合
で配合し、且この全体重量に対し結合媒材として水を１
８０乃至２４０％重量割合添加し十分に混合させたるう
え、９５０乃至１１５０℃の加熱雰囲気中に噴霧させて
所要粒径に焼成させる消臭抗菌セラミックス粉材の製造
方法。1. An aluminum oxide is added in a proportion of 25 to 50% by weight based on the weight of silicon oxide, and water is added as a binding medium in an amount of 180 to 240% by weight based on the total weight thereof, and then sufficiently mixed. Silicon oxide-aluminum oxide powder material sprayed in a heating atmosphere at 1050 to 1250 ° C. and baked to a required particle size, and cobalt oxide and iron oxide in the same weight ratio, Water is added in an amount of 180 to 240% by weight, mixed well, and then sprayed into a heated atmosphere at 1000 to 1200 ° C. and calcined to a required particle size, and manganese oxide 20 to 40% by weight of titanium oxide is blended with respect to the weight of water, and 180 to 240% by weight of water is added as a binding medium to the total weight, and then mixed well. Thus, using a manganese oxide-titanium oxide powder material sprayed in a heating atmosphere at 1100 to 1300 ° C. and calcined to a required particle size, and a zinc oxide having a required particle size, a silicon oxide-aluminum oxide powder material is used. 60 to 80
% Weight, cobalt oxide-iron oxide powder and manganese oxide-
15 to 30% by weight of titanium oxide powder or manganese oxide-titanium oxide powder and 5 to 10% by weight of zinc oxide, and 1 part of water as a binding medium with respect to the total weight.
A method for producing a deodorant antibacterial ceramic powder material which is added in a weight ratio of 80 to 240%, mixed well, sprayed in a heating atmosphere at 950 to 1150 ° C, and fired to a required particle size.
ノール、トルエン若しくはトリクロロエチレンからなる
有機溶剤に、ポリビニルアルコール、セルロースアセテ
ート若しくはポリメタアクリレートが５乃至１０％重量
溶解させたものからなる、請求項１記載の消臭抗菌セラ
ミックス粉材の製造方法。2. The method according to claim 1, wherein the binding medium is made by dissolving 5 to 10% by weight of polyvinyl alcohol, cellulose acetate or polymethacrylate in an organic solvent comprising isopropyl alcohol, ethanol, toluene or trichloroethylene. Manufacturing method of deodorant antibacterial ceramic powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19473397A JP4072649B2 (en) | 1997-06-16 | 1997-06-16 | Method for producing deodorant antibacterial ceramic powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19473397A JP4072649B2 (en) | 1997-06-16 | 1997-06-16 | Method for producing deodorant antibacterial ceramic powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1112024A true JPH1112024A (en) | 1999-01-19 |
| JP4072649B2 JP4072649B2 (en) | 2008-04-09 |
Family
ID=16329338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19473397A Expired - Fee Related JP4072649B2 (en) | 1997-06-16 | 1997-06-16 | Method for producing deodorant antibacterial ceramic powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4072649B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100379749B1 (en) * | 2000-01-28 | 2003-04-10 | 반석제로파 주식회사 | Electromagnetic wave absorptive as well as far infra red ray emissive ceramic composition and method of preparation thereof |
-
1997
- 1997-06-16 JP JP19473397A patent/JP4072649B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100379749B1 (en) * | 2000-01-28 | 2003-04-10 | 반석제로파 주식회사 | Electromagnetic wave absorptive as well as far infra red ray emissive ceramic composition and method of preparation thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4072649B2 (en) | 2008-04-09 |
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