JP2003053128A - Humidity conditioning agent and producing method thereof - Google Patents

Humidity conditioning agent and producing method thereof

Info

Publication number
JP2003053128A
JP2003053128A JP2001245271A JP2001245271A JP2003053128A JP 2003053128 A JP2003053128 A JP 2003053128A JP 2001245271 A JP2001245271 A JP 2001245271A JP 2001245271 A JP2001245271 A JP 2001245271A JP 2003053128 A JP2003053128 A JP 2003053128A
Authority
JP
Japan
Prior art keywords
humidity control
carbon black
metal salt
inorganic metal
sodium
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.)
Withdrawn
Application number
JP2001245271A
Other languages
Japanese (ja)
Inventor
Ikuo Abe
郁夫 安部
Jun Maruyama
純 丸山
Katsushi Yamamoto
勝志 山本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ohtsu Tire and Rubber Co Ltd
Original Assignee
Ohtsu Tire and Rubber Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ohtsu Tire and Rubber Co Ltd filed Critical Ohtsu Tire and Rubber Co Ltd
Priority to JP2001245271A priority Critical patent/JP2003053128A/en
Publication of JP2003053128A publication Critical patent/JP2003053128A/en
Withdrawn legal-status Critical Current

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  • Drying Of Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a humidity conditioning agent which is used on wall surfaces, on ceilings, in closets, on floor surfaces or under floor of houses, has a humidity conditioning effect and a deodorizing effect, prevents the generation of mold and mite in the rainy season and, moreover, reduces dew condensation in air conditioning devices. SOLUTION: This humidity conditioning agent is made by impregnating with an inorganic metallic salt into carbon black. Therein, the inorganic metallic salt such as sodium chloride, sodium carbonate, sodium bicarbonate, sodium nitrate, sodium sulfate, potassium chloride and calcium chloride is used. Further, it is preferable that the ratio of impregnation of the inorganic metallic salt into carbon black is less than 50 wt.%.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は家屋の壁面、天井、
押入れあるいは床下等に使用し、調湿効果および脱臭効
果を有し、さらに梅雨時における、カビあるいはダニの
発生を防止し、かつ冷暖房装置による結露の発生を軽減
する調湿剤およびその製造方法に関する。
TECHNICAL FIELD The present invention relates to a wall surface of a house, a ceiling,
The present invention relates to a humidity control agent which is used in a closet or under the floor, has a humidity control effect and a deodorizing effect, and further prevents generation of mold or mites during the rainy season, and reduces the occurrence of dew condensation due to an air conditioner and a method for producing the same .

【0002】[0002]

【従来の技術】住宅の室内に湿気が多くなると、住宅木
材や畳の腐食が進行し、さらにカビやダニが発生しやす
くなり、住宅の耐用年数の低下とともに人体に対するア
レルギー問題を生ずる。また住宅建設資材に含まれる各
種化学物質、さらに防虫剤、防錆剤に含まれる化学物質
は人体に有害な影響を与えている。
2. Description of the Related Art When humidity increases in a room of a house, the wood and tatami mats of the house are more likely to be corroded, and molds and mites are more likely to be generated. In addition, various chemical substances contained in housing construction materials, as well as chemical substances contained in insect repellents and rust preventive agents have a harmful effect on the human body.

【0003】従来このような湿気あるいは臭いを軽減す
る方法として木炭あるいは活性炭等の材料が使用されて
いるが、これらの材料を粉末状にしてそのまま使用する
か、あるいは包装容器にその粉末材料を収納した形態で
使用されるものである。
Conventionally, materials such as charcoal or activated carbon have been used as a method for reducing such moisture or odor. These materials are used in the form of powder or used as they are, or the powder material is stored in a packaging container. It is used in the form.

【0004】木炭は燃料として古くから使用されている
が、最近新しい用途の開発が活発に行なわれるようにな
り、現在では脱臭および水の浄化に利用されるようにな
った。木炭が家屋の調湿剤として使用され、床下、畳下
に敷き詰められることにより腐敗菌、シロアリ、カビ、
ダニ等の発生を抑える効果があるのは、木炭がその表面
に無数の孔を有しその孔が水蒸気を吸ったり吐いたりす
るからで、調湿用木炭としてはマングローブ炭、広葉樹
木炭、針葉樹木炭等が使用されている。
Charcoal has been used as a fuel for a long time, but recently, new applications have been actively developed, and now it has been used for deodorization and purification of water. Charcoal is used as a humidity control agent for houses, and by laying it under the floor or under tatami mats, it causes spoilage bacteria, termites, molds,
The effect of suppressing the occurrence of mites etc. is that charcoal has numerous pores on its surface and the pores absorb and exhale steam, and as the humidity control charcoal, mangrove charcoal, hardwood charcoal and conifer charcoal are used. Etc. are used.

【0005】従来、調湿用材料としては次の先行技術が
ある。たとえば特開平2−239167号公報には、フ
ェノール樹脂発泡体が炭化されてなる、かさ密度0.0
5〜0.6g/cm3、炭素含有量85〜95重量%、
比表面積300m3/gの炭素多孔体からなる吸湿用材
料が開示されている。
Conventionally, the following prior art has been used as a humidity control material. For example, in JP-A-2-239167, a phenol resin foam is carbonized to have a bulk density of 0.0.
5 to 0.6 g / cm 3 , carbon content 85 to 95% by weight,
A hygroscopic material made of a carbon porous material having a specific surface area of 300 m 3 / g is disclosed.

【0006】また特開平9−158341号公報には、
調湿剤と床下の地面または基礎スラブとの間に敷設され
る合成樹脂からなる調湿剤用下敷きフィルムまたはシー
トであって、下面に互いに独立した多数の突起を形成す
る技術が開示されている。
Further, Japanese Patent Laid-Open No. 9-158341 discloses that
An underlay film or sheet for a humidity control agent, which is made of a synthetic resin and is laid between the humidity control agent and the ground below the floor or a base slab, and a technique for forming a large number of independent projections on the lower surface is disclosed. .

【0007】さらに特開2000−288385号公報
には、木炭と発泡ウレタンを混合した板状の調湿および
脱臭剤を形成する技術が開示されている。
Further, Japanese Unexamined Patent Publication No. 2000-288385 discloses a technique for forming a plate-like humidity control and deodorizing agent in which charcoal and urethane foam are mixed.

【0008】しかしながらこれらの技術はいずれも調湿
および脱臭効果は十分ではなくさらにその用途は極めて
限られていた。
However, none of these techniques have sufficient humidity control and deodorizing effects, and their applications have been extremely limited.

【0009】[0009]

【発明が解決しようとする課題】本発明は室内の湿度調
節および脱臭を図るとともに、冷暖房装置における結露
や、梅雨時におけるカビあるいはダニの発生を防止し、
快適な居住を可能とするとともに携帯に便利な調湿剤お
よびその製造方法を提供する。
DISCLOSURE OF THE INVENTION The present invention aims to control indoor humidity and deodorize, and prevent dew condensation in an air conditioner and mold or mites during the rainy season.
(EN) Provided is a humidity control agent which enables comfortable living and is convenient to carry, and a manufacturing method thereof.

【0010】[0010]

【課題を解決するための手段】本発明はカーボンブラッ
クに無機金属塩を添着してなる調湿剤である。ここで無
機金属塩は塩化ナトリウム、炭酸ナトリウム、炭酸水素
ナトリウム、硝酸ナトリウム、硫酸ナトリウム、塩化カ
リウムおよび塩化カルシウムの群から少なくとも1種選
定されることが好ましい。そして無機金属塩の添着率は
調湿剤に対して50質量%未満が好ましい。
The present invention is a humidity control agent obtained by impregnating carbon black with an inorganic metal salt. Here, the inorganic metal salt is preferably selected from at least one selected from the group consisting of sodium chloride, sodium carbonate, sodium hydrogen carbonate, sodium nitrate, sodium sulfate, potassium chloride and calcium chloride. The impregnation rate of the inorganic metal salt is preferably less than 50 mass% with respect to the humidity control agent.

【0011】本発明はさらに、カーボンブラックと無機
金属塩と溶媒を混合し、攪拌することにより全体を均一
相とし、その後溶媒を除去することによりカーボンブラ
ックに無機金属塩を添着させることを特徴とする調湿剤
の製造方法である。
The present invention is further characterized in that carbon black, an inorganic metal salt and a solvent are mixed and stirred to form a uniform phase, and then the solvent is removed to impregnate the carbon black with the inorganic metal salt. It is a method for producing a humidity control agent.

【0012】[0012]

【発明の実施の形態】本発明はカーボンブラックに無機
金属塩を添着してなる調湿剤である。ここでカーボンブ
ラックに無機金属塩を添着するとは次の状態を意味す
る。カーボンブラックは通常カーボンブラック粒子が凝
集した構造をとっているが、これを無機金属塩の溶液に
混合すると、カーボンブラックの凝集塊の隙間に浸透す
る。その後、溶媒を除去することによりカーボンブラッ
ク凝集塊の内部および表面に無機金属塩が分散された状
態となる。
BEST MODE FOR CARRYING OUT THE INVENTION The present invention is a humidity control agent obtained by impregnating carbon black with an inorganic metal salt. Here, impregnating an inorganic metal salt with carbon black means the following state. Carbon black usually has a structure in which carbon black particles are agglomerated, but when this is mixed with a solution of an inorganic metal salt, it penetrates into the gaps of the agglomerates of carbon black. Then, by removing the solvent, the inorganic metal salt is dispersed inside and on the surface of the carbon black aggregate.

【0013】本発明では、カーボンブラックと無機金属
塩の上記複合体とすることにより、調湿効果を一層高め
ることができる。すなわち無機金属塩単独で、例えば温
度25℃、湿度90%の雰囲気中に置くと、短時間でべ
たべたした状態になる。しかし、本発明の調湿剤は、無
機金属塩がカーボンブラックの凝集塊の表面および内部
に添着された複合体であるので、べたべたすることがな
く、さらに長時間に亘り調湿効果を維持することができ
る。
In the present invention, the humidity control effect can be further enhanced by using the above composite of carbon black and an inorganic metal salt. That is, when the inorganic metal salt alone is placed in an atmosphere having a temperature of 25 ° C. and a humidity of 90%, it becomes a sticky state in a short time. However, since the humidity control agent of the present invention is a complex in which the inorganic metal salt is attached to the surface and the inside of the aggregate of carbon black, it does not become sticky and maintains the humidity control effect for a long time. be able to.

【0014】本発明で使用されるカーボンブラックは特
に制限はないが、たとえばSAF、ISAF−LS、I
SAF−HM、ISAF−LM、ISAF−HS、C
F、SCF、EPC、MPC、HAF−LS−SC、H
AF−LS、HAF、HAF−HS、SPF、FF、X
CF、FEF−LS、FEF、FEF−HS、HMF、
GBF、ABF、SRF−LM、SRF−LM−NS、
SRF−HM、SRF−HM−MS、MPF、FT、M
T−NS、MT等が使用できる。さらにアセチレンブラ
ック、たとえばデンカブラック粒状、粉末状等が使用で
きる。さらに上記カーボンブラックが混合された加硫ゴ
ムを熱処理した後残ったカーボンブラックを使用するこ
ともできる。またリサイクルの観点からは、廃タイヤを
熱処理して、残ったカーボンブラックを使用することが
好ましい。
The carbon black used in the present invention is not particularly limited, but for example, SAF, ISAF-LS, I.
SAF-HM, ISAF-LM, ISAF-HS, C
F, SCF, EPC, MPC, HAF-LS-SC, H
AF-LS, HAF, HAF-HS, SPF, FF, X
CF, FEF-LS, FEF, FEF-HS, HMF,
GBF, ABF, SRF-LM, SRF-LM-NS,
SRF-HM, SRF-HM-MS, MPF, FT, M
T-NS, MT, etc. can be used. Further, acetylene black, for example, Denka black granules, powder, etc. can be used. Further, the carbon black remaining after the heat treatment of the vulcanized rubber mixed with the above carbon black can be used. From the viewpoint of recycling, it is preferable to heat-treat a waste tire and use the remaining carbon black.

【0015】次に本発明で用いられる無機金属塩は特に
制限はなく、たとえば無機金属塩は塩化ナトリウム、炭
酸ナトリウム、炭酸水素ナトリウム、硝酸ナトリウム、
硫酸ナトリウム、塩化カリウムおよび塩化カルシウム等
のアルカリ金属あるいはアルカリ土類金属の塩が好適に
用いられる。
The inorganic metal salt used in the present invention is not particularly limited, and examples of the inorganic metal salt include sodium chloride, sodium carbonate, sodium hydrogen carbonate, sodium nitrate,
Salts of alkali metals or alkaline earth metals such as sodium sulfate, potassium chloride and calcium chloride are preferably used.

【0016】無機金属塩はカーボンブラックに添着され
る割合、すなわち添着率は、調湿剤に対して50質量%
未満が好ましい。より好ましくは40質量%未満であ
る。
The ratio of the inorganic metal salt attached to the carbon black, that is, the attachment rate is 50% by mass with respect to the humidity control agent.
Less than is preferred. More preferably, it is less than 40% by mass.

【0017】ここで添着率は次のように定義される。 添着率=[無機金属塩添着量/(カーボンブラック量+
無機金属塩添着量)]×100(%) 無機金属塩の添着率が50質量%以上の場合、高湿度領
域で調湿剤がべたべたしたものとなり、また無機金属塩
がカーボンブラックに均一に添着されていない。
Here, the attachment rate is defined as follows. Impregnation rate = [inorganic metal salt impregnation amount / (carbon black amount +
Inorganic metal salt impregnation amount)] × 100 (%) When the impregnation rate of the inorganic metal salt is 50% by mass or more, the humidity control agent becomes sticky in the high humidity region, and the inorganic metal salt is evenly impregnated on the carbon black. It has not been.

【0018】次に本発明の調湿剤の製造方法は、一例を
示すと次の工程で行なう。なお、カーボンブラック、無
機金属塩および溶媒の混合順序は特に制限はない。
Next, the method for producing the humidity control agent of the present invention is carried out in the following steps, as an example. The order of mixing the carbon black, the inorganic metal salt and the solvent is not particularly limited.

【0019】(1) カーボンブラックと無機金属塩を
所定割合で混合する。 (2) 上記混合物に溶媒たとえば水を加えて攪拌する
ことによって全体を均一相とする。
(1) Carbon black and an inorganic metal salt are mixed in a predetermined ratio. (2) A solvent such as water is added to the above mixture and the mixture is stirred to form a uniform phase.

【0020】(3) 上記混合溶液の溶媒を、除去する
ことによりカーボンブラックに無機金属塩を添着させ
る。
(3) An inorganic metal salt is attached to carbon black by removing the solvent of the mixed solution.

【0021】本発明で使用される溶媒は水、メチルアル
コール、エチルアルコールまたはこれらの混合物が使用
でき、特に無機金属塩を溶解するものであれば特に制限
はない。そして溶媒の量は無機金属塩を溶解するに十分
な量が用いられる。
The solvent used in the present invention may be water, methyl alcohol, ethyl alcohol or a mixture thereof, and is not particularly limited as long as it can dissolve the inorganic metal salt. The amount of the solvent used is sufficient to dissolve the inorganic metal salt.

【0022】またカーボンブラックと無機金属塩の混合
溶液の溶媒を除去するには、減圧または加熱、さらに両
者を併用することによって行なうことができる。
The solvent of the mixed solution of carbon black and the inorganic metal salt can be removed by reducing the pressure or heating, or by using both of them together.

【0023】[0023]

【実施例】実施例1〜6(カーボンブラックの種類と調
湿能力) 各種のカーボンブラック1gに所定量の塩化ナトリウム
を混合し、水5mlを加えて攪拌して溶液を均一相とし
た。その後、温度115℃で加熱することにより、水を
除去して、塩化ナトリウムをカーボンブラックに添着さ
せた。塩化ナトリウムの添着率はいずれも20質量%で
ある。
EXAMPLES Examples 1 to 6 (Types of Carbon Black and Humidity Controlling Ability) 1 g of each type of carbon black was mixed with a predetermined amount of sodium chloride, 5 ml of water was added, and the mixture was stirred to make a solution into a homogeneous phase. Then, by heating at a temperature of 115 ° C., water was removed and sodium chloride was attached to carbon black. The impregnation rate of sodium chloride is 20% by mass in all cases.

【0024】得られた調湿剤の調湿能力の評価は次の方
法で行ない、その結果を表1に示す。
The humidity control ability of the obtained humidity control agent was evaluated by the following method, and the results are shown in Table 1.

【0025】ここでは調湿能力は25℃で湿度90%の
水蒸気吸着率と、湿度55%での水蒸気吸着率の差
(%)と定義する。ここで水蒸気吸着率は吸着した水蒸
気量の被吸着試料質量に対する率である。水蒸気未吸着
時の試料質量は115℃にて乾燥した直後の質量とし
た。
Here, the humidity control ability is defined as the difference (%) between the water vapor adsorption rate at 25 ° C. and a humidity of 90% and the water vapor adsorption rate at a humidity of 55%. Here, the water vapor adsorption rate is the rate of the adsorbed water vapor amount with respect to the adsorbed sample mass. The sample mass when water vapor was not adsorbed was the mass immediately after drying at 115 ° C.

【0026】[0026]

【表1】 表1に示す実施例1〜6の評価結果から、カーボンブラ
ックの種類に関係なくいずれの調湿剤も高い調湿能力を
有している。なお、市販されている木炭を用いた調湿剤
の調湿能力は約3%である。
[Table 1] From the evaluation results of Examples 1 to 6 shown in Table 1, all the humidity control agents have high humidity control ability regardless of the type of carbon black. The humidity control ability of the commercially available humidity control agent using charcoal is about 3%.

【0027】実施例7〜13(無機金属塩の種類と調湿
能力) カーボンブラック(HAF)と各種無機金属塩から、実
施例1〜6と同様な方法で調湿剤を製造した。無機金属
塩の添着率は10質量%と20質量%の2種類のものを
得た。これら調湿剤の調湿能力(%)の評価は前述の方
法で行ない、その結果を表2に示す。
Examples 7 to 13 (Types of Inorganic Metal Salts and Humidity Controlling Ability) A humidity control agent was produced from carbon black (HAF) and various inorganic metal salts in the same manner as in Examples 1 to 6. Two types of inorganic metal salt impregnation rates were obtained, 10% by mass and 20% by mass. The humidity control ability (%) of these humidity control agents was evaluated by the method described above, and the results are shown in Table 2.

【0028】[0028]

【表2】 各種無機金属塩はいずれも高い調湿能力を有している。
また無機金属塩の添着率が20質量%の調湿剤は、10
質量%の調湿剤の約二倍の調湿能力を有している。
[Table 2] All of the various inorganic metal salts have high humidity control ability.
Further, the humidity control agent having an inorganic metal salt impregnation rate of 20% by mass is 10
It has a humidity control capacity about twice that of a mass% humidity control agent.

【0029】実施例14〜19、比較例1、2(無機金
属塩の添着率と調湿能力) カーボンブラック(HAF)と塩化ナトリウムから実施
例1〜6と同様な方法で調湿剤を製造した。塩化ナトリ
ウムの添着率は0質量%から50質量%まで変化させ
た。調湿剤の評価結果を表3に示す。
Examples 14 to 19 and Comparative Examples 1 and 2 (impregnation rate of inorganic metal salt and humidity control capacity) A humidity control agent was produced from carbon black (HAF) and sodium chloride in the same manner as in Examples 1 to 6. did. The impregnation rate of sodium chloride was changed from 0% by mass to 50% by mass. Table 3 shows the evaluation results of the humidity control agent.

【0030】[0030]

【表3】 表3から塩化ナトリウムの添着率は5%〜40%と増加
するとともに調湿能力が向上した。塩化ナトリウムの添
着率が0%(カーボンブラック単独)の場合、ほとんど
調湿能力は認められず、添着率が50%の場合、調湿剤
がべたべたして調湿能力は測定不能であった。
[Table 3] From Table 3, the impregnation rate of sodium chloride was increased to 5% to 40% and the humidity control ability was improved. When the impregnation rate of sodium chloride was 0% (carbon black alone), almost no humidity control ability was observed, and when the impregnation rate was 50%, the humidity control agent was sticky and the humidity control ability was not measurable.

【0031】実施例20〜23および比較例3(調湿剤
の製造方法と調湿能力) カーボンブラック(HAF)1gに、所定量の塩化ナト
リウムを混合し、水5mlを加えて攪拌して溶液を均一
相とした。その後、常圧の場合は、温度115℃で水を
除去、減圧の場合は温度70℃で、気圧3990Paで
水を除去して、塩化ナトリウムをカーボンブラックに添
着させた。溶媒の除去方法を常圧と減圧との2種類で行
ない、得られた調湿剤の調湿能力の影響を調べた。塩化
ナトリウムの添着率は10質量%から50質量%まで変
化させた。結果を表4に示す。
Examples 20 to 23 and Comparative Example 3 (Method for producing humidity control agent and humidity control ability) 1 g of carbon black (HAF) was mixed with a predetermined amount of sodium chloride, 5 ml of water was added and the solution was stirred. Was the homogeneous phase. Then, in the case of normal pressure, water was removed at a temperature of 115 ° C., in the case of reduced pressure, water was removed at a temperature of 70 ° C. and an atmospheric pressure of 3990 Pa to attach sodium chloride to carbon black. The method of removing the solvent was carried out under two kinds of pressures, normal pressure and reduced pressure, and the influence of the humidity control ability of the obtained humidity control agent was investigated. The impregnation rate of sodium chloride was changed from 10% by mass to 50% by mass. The results are shown in Table 4.

【0032】[0032]

【表4】 表4から溶媒の除去を常圧、減圧のいずれの条件を採用
しても、得られた調湿剤の調湿能力は、ほぼ同程度であ
った。
[Table 4] From Table 4, the humidity control ability of the obtained humidity control agent was almost the same whether the solvent was removed under normal pressure or reduced pressure.

【0033】今回開示された実施の形態および実施例は
すべての点で例示であって制限的なものではないと考え
られるべきである。本発明の範囲は上記した説明ではな
くて特許請求の範囲によって示され、特許請求の範囲と
均等の意味および範囲内でのすべての変更が含まれるこ
とが意図される。
The embodiments and examples disclosed this time are to be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description but by the claims, and is intended to include meanings equivalent to the claims and all modifications within the scope.

【0034】[0034]

【発明の効果】本発明はカーボンブラックに無機金属塩
を添着してなる調湿剤であるため、携帯で便利で、各種
用途に採用しうる。例えば、住宅家屋の壁面、天井、押
入れ、床面あるいは床下等に使用することで、調湿効果
および防臭効果を有する。さらに本発明の調湿剤は防
虫、防錆効果とともに人体へのアレルギーの問題も生ず
ることなく、快適な居住を可能とする。
INDUSTRIAL APPLICABILITY Since the present invention is a humidity control agent obtained by impregnating carbon black with an inorganic metal salt, it is convenient to carry and can be used for various purposes. For example, when it is used on the wall surface, ceiling, closet, floor surface or underfloor of a house, it has a humidity control effect and a deodorizing effect. Furthermore, the humidity control agent of the present invention enables a comfortable living without the problem of allergies to the human body as well as the insect and rust preventive effects.

フロントページの続き (72)発明者 安部 郁夫 大阪府堺市浜寺船尾町西4丁目385番地 (72)発明者 丸山 純 京都府京都市左京区田中西樋ノ口町2番地 (72)発明者 山本 勝志 大阪府泉大津市池浦町1−2−19−301 Fターム(参考) 4C080 AA05 BB02 BB08 CC01 HH05 JJ04 KK08 LL02 MM01 MM05 NN05 4D052 AA09 GB17 HA11 HA21 HB06 4G066 AA04B AA32B AA43B AA47B AA53B CA43 DA03 FA12 FA37 Continued front page    (72) Inventor Ikuo Abe             4-385, Nishi, Nishi, Hamadera-Funao-cho, Sakai City, Osaka Prefecture (72) Inventor Jun Maruyama             2 Tanakanishi Hinoguchi-cho, Sakyo-ku, Kyoto-shi, Kyoto Prefecture (72) Inventor Katsushi Yamamoto             1-2-19-301 Ikeura-cho, Izumiotsu-shi, Osaka F-term (reference) 4C080 AA05 BB02 BB08 CC01 HH05                       JJ04 KK08 LL02 MM01 MM05                       NN05                 4D052 AA09 GB17 HA11 HA21 HB06                 4G066 AA04B AA32B AA43B AA47B                       AA53B CA43 DA03 FA12                       FA37

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 カーボンブラックに無機金属塩を添着し
てなる調湿剤。
1. A humidity control agent obtained by impregnating carbon black with an inorganic metal salt.
【請求項2】 無機金属塩は塩化ナトリウム、炭酸ナト
リウム、炭酸水素ナトリウム、硝酸ナトリウム、硫酸ナ
トリウム、塩化カリウムおよび塩化カルシウムの群から
少なくとも1種選定される請求項1記載の調湿剤。
2. The humidity control agent according to claim 1, wherein the inorganic metal salt is at least one selected from the group consisting of sodium chloride, sodium carbonate, sodium hydrogen carbonate, sodium nitrate, sodium sulfate, potassium chloride and calcium chloride.
【請求項3】 無機金属塩の添着率は調湿剤に対して5
0質量%未満である請求項1記載の調湿剤。
3. The impregnation rate of the inorganic metal salt is 5 with respect to the humidity control agent.
The humidity control agent according to claim 1, which is less than 0% by mass.
【請求項4】 カーボンブラックと無機金属塩と溶媒を
混合し、攪拌することにより全体を均一相とし、その後
溶媒を除去することによりカーボンブラックに無機金属
塩を添着させることを特徴とする調湿剤の製造方法。
4. A humidity control characterized in that carbon black, an inorganic metal salt and a solvent are mixed and stirred to form a whole homogeneous phase, and then the solvent is removed to impregnate the carbon black with the inorganic metal salt. Method of manufacturing agent.
JP2001245271A 2001-08-13 2001-08-13 Humidity conditioning agent and producing method thereof Withdrawn JP2003053128A (en)

Priority Applications (1)

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Publication Number Publication Date
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Family

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Family Applications (1)

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Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010094636A (en) * 2008-10-19 2010-04-30 Hokkaido Univ Moisture absorbing and discharging material, and method of manufacturing the same
JP2010115643A (en) * 2008-10-19 2010-05-27 Hokkaido Univ Dehumidification filter, desiccant air-conditioner using this dehumidification filter and air-conditioning method
JP2015057386A (en) * 2013-09-16 2015-03-26 アームストロング ワールド インダストリーズ インコーポレーテッド Method for producing methacrylic acid from biobased starting material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010094636A (en) * 2008-10-19 2010-04-30 Hokkaido Univ Moisture absorbing and discharging material, and method of manufacturing the same
JP2010115643A (en) * 2008-10-19 2010-05-27 Hokkaido Univ Dehumidification filter, desiccant air-conditioner using this dehumidification filter and air-conditioning method
JP2015057386A (en) * 2013-09-16 2015-03-26 アームストロング ワールド インダストリーズ インコーポレーテッド Method for producing methacrylic acid from biobased starting material

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