JPH05200224A - Sheet like adsorbent having magnetism and fire retardancy - Google Patents
Sheet like adsorbent having magnetism and fire retardancyInfo
- Publication number
- JPH05200224A JPH05200224A JP4027343A JP2734392A JPH05200224A JP H05200224 A JPH05200224 A JP H05200224A JP 4027343 A JP4027343 A JP 4027343A JP 2734392 A JP2734392 A JP 2734392A JP H05200224 A JPH05200224 A JP H05200224A
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- Prior art keywords
- sheet
- adsorbent
- powder
- activated carbon
- flame
- Prior art date
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はシート状吸着剤に関する
もので、更に詳しく述べるとシート状吸着剤に磁性及び
／または難燃性を付与することにより、従来シート状吸
着剤が使用出来なかった分野でも使用出来る様にするも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet-shaped adsorbent. More specifically, the sheet-shaped adsorbent cannot be used in the past due to imparting magnetism and / or flame retardancy to the sheet-shaped adsorbent. It is intended to be used in the field.
【０００２】[0002]
【従来の技術】シート状吸着剤としては、従来から活性
炭繊維を抄紙して紙状とし、ハニカム状に加工して使用
するもの、粉末活性炭または炭素材料をピッチ、タール
等のバインダーを加えてシート状に成型し、賦活して使
用するもの、またはシート状のウレタンフォーム等に活
性炭粉末を添着したもの等が知られている。2. Description of the Related Art As a sheet-shaped adsorbent, conventionally used is one in which activated carbon fibers are made into paper and processed into a honeycomb shape, or powder activated carbon or carbon material is added to a sheet such as a binder such as pitch or tar. Known are those that are used after being molded into a shape and activated, or those obtained by impregnating activated carbon powder with a sheet-shaped urethane foam or the like.
【０００３】またシート状吸着剤を取り付ける場合、機
械的に挟む方法、両面テープ等で接着する方法等が多く
採用されているが、ガスが漏れない様に複雑な形状を有
する物体に密着させるためには不充分な場合が多い。In addition, when a sheet-like adsorbent is attached, a method of mechanically sandwiching it, a method of adhering it with a double-sided tape, etc. are often adopted, but in order to adhere it to an object having a complicated shape so that gas does not leak. Is often insufficient.
【０００４】また特に吸着剤として活性炭を使用したシ
ート状物は、可燃性を有するため、その用途が制限され
る場合がしばしばある。In particular, the sheet-like material using activated carbon as an adsorbent has flammability, and its use is often limited.
【０００５】シート状吸着剤は従来から種々の脱臭剤・
脱湿剤等の一般的な用途に使用されている他、その形状
的な特徴である高い吸着速度、低圧損失等を利用した分
野としてオゾン分解用、溶剤回収用に使用されることも
多い。その様な分野において、フレキシブルなシートを
ガスが漏れない様に簡単に隙間なく枠に取り付ける方
法、または複雑な形状を有する物体の表面に密着させて
使用する場合、更に難燃性が要求されることがあるが、
この様なシート状吸着剤は知られていない。Sheet-shaped adsorbents have been used for various deodorant agents.
In addition to being used for general applications such as dehumidifying agents, it is often used for ozone decomposition and solvent recovery as a field that utilizes the high adsorption rate, low pressure loss, etc., which are its characteristic features. In such fields, flame retardancy is required when a flexible sheet is easily attached to a frame without gaps so that gas does not leak, or when it is used in close contact with the surface of an object having a complicated shape. Sometimes,
Such a sheet-shaped adsorbent is not known.
【０００６】[0006]
【発明が解決しようとする課題】本発明はシート状吸着
剤の加工性を高めて、後加工により種々な形状を付与す
ることを可能にすると共に、シートに磁性及び難燃性を
付与して、従来にない性能を持たせその用途分野を拡大
しようとするものである。DISCLOSURE OF THE INVENTION The present invention improves the processability of a sheet-shaped adsorbent and makes it possible to impart various shapes by post-processing, and at the same time imparts magnetism and flame retardancy to the sheet. , With the unprecedented performance, we are trying to expand the field of application.
【０００７】[0007]
【課題を解決するための手段】本発明者等は、吸着剤シ
ートを複雑な形状を有する物体に密着させる方法及び、
シートに難燃性を付与してその用途分野を拡大する方法
について研究した結果、磁性材料及び難燃性材料を微粉
末にして、吸着剤粉末と共にエマルジョン中に分散して
添着する方法についての着想を得た。これに基づいて本
発明に到達した。Means for Solving the Problems The present inventors have proposed a method for bringing an adsorbent sheet into close contact with an object having a complicated shape, and
As a result of research on a method of imparting flame retardancy to a sheet and expanding its application field, an idea about a method of making magnetic material and flame retardant material into fine powder and dispersing and adhering it in an emulsion with adsorbent powder Got Based on this, the present invention has been reached.
【０００８】すなわち、ラテックス、カルボキシメチル
セルローズ及び水を主成分とするエマルジョンに、吸着
剤粉末と磁性材料及び／または難燃性材料の粉末を分散
させ、シートに添着せしめてなる、磁性及び／または難
燃性を有するシート状吸着剤である。また、吸着剤とし
て活性炭を使用したシート及びシート状基材自体に難燃
性を付与したシートが好ましい。That is, an adsorbent powder and a powder of a magnetic material and / or a flame-retardant material are dispersed in an emulsion containing latex, carboxymethyl cellulose and water as main components, and the powder is attached to a sheet, which is magnetic and / or A sheet-shaped adsorbent having flame retardancy. Further, a sheet using activated carbon as an adsorbent and a sheet in which the sheet-shaped substrate itself has flame retardancy are preferable.
【０００９】以下本発明について詳しく説明する。The present invention will be described in detail below.
【００１０】本発明においては、ラテックス、カルボキ
シメチルセルローズ及び水を主成分とするエマルジョン
を使用する必要がある。ラテックスは吸着剤、磁性材料
及び難燃性材料等の無機質と接着性を有するものならば
広く使用することが出来る。ラテックスは、例えば、酢
酸ビニルエマルジョン、酢酸ビニル・エチレン共重合体
エマルジョン、アクリルエマルジョン、スチレン・ブタ
ジエン共重合体エマルジョン、アクリルニトリル・ブタ
ジエン共重合体エマルジョン、ポリブタジエンエマルジ
ョン及びポリ塩化ビニルエマルジョン等が使用出来る。In the present invention, it is necessary to use an emulsion containing latex, carboxymethyl cellulose and water as main components. The latex can be widely used as long as it has adhesiveness with an inorganic substance such as an adsorbent, a magnetic material and a flame-retardant material. As the latex, for example, vinyl acetate emulsion, vinyl acetate / ethylene copolymer emulsion, acrylic emulsion, styrene / butadiene copolymer emulsion, acrylonitrile / butadiene copolymer emulsion, polybutadiene emulsion, polyvinyl chloride emulsion and the like can be used.
【００１１】また、カルボキシメチルセルローズは特に
限定しないが、エーテル化度0.5 〜1.0 、平均重合度40
0 〜2000、分子量８〜50万が好ましい。The carboxymethyl cellulose is not particularly limited, but the degree of etherification is 0.5 to 1.0 and the average degree of polymerization is 40.
It is preferably 0 to 2,000 and a molecular weight of 80,000 to 500,000.
【００１２】本発明に使用する吸着剤は特に限定せず、
広範囲の吸着剤が使用可能である。例えば、活性炭、ゼ
オライト、アルミナ、シリカゲル、イオン交換樹脂等で
ある。またその形態は特に限定しないが一般には粉末状
が好ましい。これらの吸着剤は多数混合使用してもよ
い。The adsorbent used in the present invention is not particularly limited,
A wide range of adsorbents can be used. For example, activated carbon, zeolite, alumina, silica gel, ion exchange resin and the like. The form is not particularly limited, but powder form is generally preferable. A large number of these adsorbents may be mixed and used.
【００１３】これらの吸着剤の中、活性炭は最も悪臭除
去性に優れているため広く使用される。活性炭は通常1g
あたり数100 m2或いはそれ以上の大きな表面積を有し、
高い吸着性を示す炭素材料で、広範囲の活性炭が使用出
来る。活性炭の原料には通常ヤシ殻または木材等の炭化
物或いは石炭が使用されるが何れでもよい。また賦活法
も水蒸気或いは二酸化炭素により高温で、または塩化亜
鉛、リン酸、濃硫酸処理等、何れの方法により得られた
ものでもよい。Of these adsorbents, activated carbon is most widely used because it has the most excellent malodor removing property. Activated carbon is usually 1 g
Has a large surface area of several 100 m 2 or more per
A wide range of activated carbon that can be used with a carbon material that exhibits high adsorptivity. As a raw material for the activated carbon, a charcoal such as coconut shell or wood or coal is usually used, but any may be used. Further, the activation method may be obtained by any method such as treatment with steam or carbon dioxide at a high temperature, or treatment with zinc chloride, phosphoric acid, concentrated sulfuric acid, or the like.
【００１４】本発明に使用する磁性材料は、エマルジョ
ンに分散した状態では磁性がなく、シートに添着後磁化
できる材料であれば広く使用できる。形態は粉末状が好
ましく、微粉末状がより好ましい。例えば、フェライト
は磁化が容易であり、経済性にも優れ好適である。難燃
性材料も特に限定しない。例えば、水酸化アルミニウム
等が好ましい。The magnetic material used in the present invention can be widely used as long as it has no magnetism when dispersed in an emulsion and can be magnetized after being attached to a sheet. The form is preferably powdery, more preferably finely powdered. For example, ferrite is preferable because it is easy to magnetize and is economical. The flame-retardant material is also not particularly limited. For example, aluminum hydroxide or the like is preferable.
【００１５】本発明に使用するシート状吸着剤の基材は
シート状であれば広く使用出来る。吸着速度を高めるた
めには通気性を有するシートが好ましく、また電気的性
質を付与するためには金属材料が好ましい。吸着剤シー
トをハニカム状に加工すること或いはプリーツ加工等を
施すことにより、吸着速度を高めることが出来るが、一
層吸着速度を高めるためには基材自体が通気性を有する
ことが好ましい。合成繊維の編織布または不織布等有機
質繊維からなるものの他、ガラス繊維、金属繊維を含む
シート、耐水性の紙等も使用出来る。金属箔を使用する
ことも出来る。また難燃性シートとしてはコーデラン繊
維からなるシートが好ましい。The base material of the sheet-shaped adsorbent used in the present invention can be widely used as long as it has a sheet shape. A breathable sheet is preferable for increasing the adsorption rate, and a metal material is preferable for imparting electrical properties. The adsorption rate can be increased by processing the adsorbent sheet into a honeycomb shape or by performing pleating, but it is preferable that the base material itself has air permeability in order to further increase the adsorption rate. In addition to organic fibers such as woven or non-woven fabric of synthetic fibers, sheets containing glass fibers or metal fibers, water resistant paper, etc. can be used. Metal foil can also be used. Further, as the flame-retardant sheet, a sheet made of cordelan fiber is preferable.
【００１６】本発明のシート状吸着剤を調製するには、
例えば吸着剤及び磁性材料粉末または難燃性材料粉末と
水を混合し、更に水に溶解したカルボキシメチルセルロ
ーズを加え、次にラテックスを加えてよく混合して分散
液を調製する。次にシートを分散液に含浸する直前に泡
抜きロールで脱気し、分散液を通して含浸させ、目付ロ
ールまたはドクターブレードで添着量を調節し、80〜13
0 ℃で乾燥することにより、シート状吸着剤が得られ
る。To prepare the sheet-shaped adsorbent of the present invention,
For example, the adsorbent and the magnetic material powder or the flame-retardant material powder are mixed with water, carboxymethyl cellulose dissolved in water is added, and then latex is added and mixed well to prepare a dispersion liquid. Immediately before impregnating the sheet with the dispersion liquid, degassing with a bubble removal roll, impregnating through the dispersion liquid, adjusting the amount of attachment with a weighted roll or a doctor blade, 80-13
A sheet-shaped adsorbent is obtained by drying at 0 ° C.
【００１７】前記の様にして得られたシート状吸着剤は
吸着性材料、磁性材料及び難燃性材料等の粒子がエマル
ジョン粒子を介して、その表面の１部分のみが基材に接
着されているため、吸着性粒子の機能が阻害されず、ま
た基材に堅牢に接着されているため、脱落のおそれがな
い。In the sheet-shaped adsorbent obtained as described above, particles of an adsorbent material, a magnetic material, a flame-retardant material, etc. are adhered to a base material through emulsion particles and only a part of the surface thereof. Therefore, the function of the adsorptive particles is not hindered, and since they are firmly adhered to the base material, they do not fall off.
【００１８】吸着剤を添着した薄いシートは、後加工に
より種々の形態に成型加工することが出来る。例えば、
ダンボール状、ハニカム状、プリーツ状等である。この
様な成型加工により、圧損失を増加させずに外気との接
触面積が著しく増加することが出来、吸着速度を高める
ことが出来る。The thin sheet to which the adsorbent is attached can be formed into various forms by post-processing. For example,
The shape may be cardboard, honeycomb, or pleated. By such a molding process, the contact area with the outside air can be significantly increased without increasing the pressure loss, and the adsorption rate can be increased.
【００１９】また、シート状吸着剤に予め磁化していな
い磁性材料を添着させておき、添着乾燥後、強い磁場で
処理することにより磁性を付与することが出来る。基材
のフレキシビリィティが高いシート材料を使用した場合
には、対象物が鉄等の磁化される材質からなる場合に
は、磁力によってその物体の形状に沿って密着させるこ
とが出来る。例えば、鉄製の枠に容易に、ガス漏れがな
い状態に取り付けることが出来る。Further, magnetism can be imparted by previously adhering a magnetic material which is not magnetized to the sheet-like adsorbent, applying and drying and then treating with a strong magnetic field. When a sheet material having a high flexibility of the base material is used, when the object is made of a magnetized material such as iron, it can be adhered along the shape of the object by magnetic force. For example, it can be easily attached to an iron frame without gas leakage.
【００２０】活性炭の着火温度はアルカリ金属塩、アル
カリ土類金属塩等の金属塩を含む粗製の活性炭粉末では
200 〜250 ℃であり、塩酸処理等により金属塩を除去し
た活性炭粉末は400 〜450 ℃に上昇する。従って、通常
吸着剤として使用する場合には安全性を考慮して金属塩
を除去して精製した活性炭が使用されるが、活性炭に水
酸化アルミニウム等の難燃性材料を混合して添着すれ
ば、粗製の活性炭粉末を使用しても、着火温度を400 〜
450 ℃に上昇させることが出来、またシート状基材に難
燃性材料を使用すれば、一層着火温度を上昇させ得ると
共に着火した場合でも炎が生成しないため、安全性を高
めることが出来る。The ignition temperature of the activated carbon is the same as that of the crude activated carbon powder containing a metal salt such as an alkali metal salt or an alkaline earth metal salt.
The temperature is 200 to 250 ° C, and the activated carbon powder from which metal salts have been removed by treatment with hydrochloric acid, etc. rises to 400 to 450 ° C. Therefore, when used as an adsorbent, activated carbon purified by removing metal salts is used in consideration of safety, but if activated carbon is mixed with a flame-retardant material such as aluminum hydroxide and impregnated. Even if crude activated carbon powder is used, the ignition temperature is 400 ~
It is possible to raise the temperature to 450 ° C., and if a flame-retardant material is used for the sheet-shaped base material, the ignition temperature can be further raised and a flame is not generated even when ignited, so the safety can be improved.
【００２１】[0021]
【実施例】以下、実施例を挙げて本発明を更に具体的に
説明する。EXAMPLES The present invention will be described in more detail below with reference to examples.
【００２２】実施例１〜４ ヤシ殻活性炭(10 〜30メッシュ) をボールミルで粉砕し
て、粒度350 メッシュパスの粉末が95％以上となる様に
粉砕し、表１に示す比率で混合して実施例１〜４の４種
類のエマルジョンを調製した。CMC は第一工業製薬
（株）のセロゲンWS-A（エーテル化度0.7 〜0.8,平均重
合度460 〜500,平均分子量10万〜11万) を、ラテックス
は日本ゼオン（株）のアクリレート系Nipol LX 812反応
型 (全固形分45％，平均粒子径0.11μ,Tg-15℃) を用い
た。またAl(OH)2 は分析試薬１級品の粉末を、フェライ
トは、日本弁柄（株）の異方性フェライト粉OP-71 (SrO
・6Fe2O3) 磁気特性Br2000〜2900G,平均粒子径1.1 〜1.
3 μを用いた。Examples 1 to 4 Coconut shell activated carbon (10 to 30 mesh) was crushed by a ball mill so that powder having a particle size of 350 mesh pass was 95% or more, and mixed in the ratio shown in Table 1. Four types of emulsions of Examples 1 to 4 were prepared. CMC is the serogen WS-A (etherification degree 0.7-0.8, average degree of polymerization 460-500, average molecular weight 100,000-110,000) of Daiichi Kogyo Seiyaku Co., Ltd., and latex is acrylate-based Nipol of Nippon Zeon Co., Ltd. LX 812 reaction type (total solid content 45%, average particle size 0.11μ, Tg-15 ° C) was used. Also, Al (OH) 2 is the powder of the analytical reagent first grade product, and ferrite is the anisotropic ferrite powder OP-71 (SrO of Nippon Benai Co., Ltd.).
・ 6Fe 2 O 3 ) Magnetic properties Br2000〜2900G, average particle size 1.1〜1.
3 μ was used.
【００２３】[0023]
【表１】 [Table 1]
【００２４】表１に示した実施例１〜４のエマルジョン
を、表２に示したシート状基材に含浸させ、適当な厚み
まで絞った後、115 ℃×3Hr で乾燥して、シート状吸着
剤を調製した。図１にシート状吸着剤の製造工程のフロ
ーシートを示す。The emulsions of Examples 1 to 4 shown in Table 1 were impregnated into the sheet-like base material shown in Table 2, squeezed to an appropriate thickness, and dried at 115 ° C. × 3 Hr for sheet-like adsorption. The agent was prepared. FIG. 1 shows a flow sheet of the manufacturing process of the sheet-shaped adsorbent.
【００２５】原料活性炭と得られたシート状吸着剤の吸
着量を、JIS-K1474 によって測定したベンゼン吸着量を
併せて示す。尚、吸着量は活性炭純分当たりで示したも
のである。The adsorption amount of the raw material activated carbon and the obtained sheet-shaped adsorbent is also shown together with the adsorption amount of benzene measured by JIS-K1474. In addition, the amount of adsorption is shown per activated carbon pure content.
【００２６】[0026]
【表２】 [Table 2]
【００２７】（実施例４、５、比較例１〜３）実施例１
及び２で得られたシート状吸着剤を段ボール加工後積層
して、下記の様な層間接着フィルターを作成した。(Examples 4 and 5, Comparative Examples 1 to 3) Example 1
The sheet-like adsorbents obtained in 1 and 2 were laminated after being processed into a corrugated board to prepare the following interlayer adhesive filter.
【００２８】ピッチ3.4mm 、高さ1.9mm で片段ボールを
作り、積層したものを厚み10mmにスリット（実施例４、
５）及び、比較のためハニカム型シート吸着剤ピッチ3.
4mm、高さ1.9mm 、厚み10mm（比較例１）、粒状活性炭
6〜12メッシュをハチの巣段ボールに充填したフィルタ
ー厚み6mm （比較例２）及びウレタンに活性炭を添着し
たフィルター厚み10mm（比較例３）を、寸法 300×90mm
に裁断し、LV1m/sで空気を流した場合の圧力損失と、面
積当たりの活性炭保持量を比較した。A single-faced corrugated board was made with a pitch of 3.4 mm and a height of 1.9 mm, and the laminated pieces were slit into a thickness of 10 mm (Example 4,
5) And, for comparison, honeycomb type sheet adsorbent pitch 3.
4mm, height 1.9mm, thickness 10mm (Comparative example 1), granular activated carbon
A filter thickness of 6 mm (comparative example 2) in which 6-12 mesh is filled in honeycomb cardboard and a filter thickness of 10 mm (comparative example 3) in which urethane is impregnated with activated carbon have dimensions of 300 x 90 mm.
The pressure loss when air was passed at LV 1 m / s was compared with the retention amount of activated carbon per area.
【００２９】その結果を表３示す。The results are shown in Table 3.
【００３０】[0030]
【表３】 [Table 3]
【００３１】本発明品は圧損失が低く、その割りには面
積当たりの活性炭保持量が多いことが分かる。活性炭量
が多いことは吸着容量が大きいことを意味している。It can be seen that the product of the present invention has a low pressure loss and, in comparison, has a large amount of activated carbon retained per area. A large amount of activated carbon means a large adsorption capacity.
【００３２】（実施例６、比較例４〜６）実施例３で得
られたシート状吸着剤（実施例６）と比較のため、実施
例３で使用した基布（比較例４）、ウレタンに活性炭粉
末を添着したフィルター（比較例５）及びペーパーハニ
カムフィルター（比較例６）を3cm 幅×20cmの短冊状に
切って、垂直に吊るし、下から火をつけて燃焼状態を比
較した。(Example 6, Comparative Examples 4 to 6) For comparison with the sheet-shaped adsorbent obtained in Example 3 (Example 6), the base cloth (Comparative Example 4) and urethane used in Example 3 were compared. A filter (Comparative Example 5) and a paper honeycomb filter (Comparative Example 6) impregnated with activated carbon powder were cut into strips of 3 cm width × 20 cm, hung vertically, and lit from below to compare the combustion state.
【００３３】その結果を表４に示す。The results are shown in Table 4.
【００３４】[0034]
【表４】 [Table 4]
【００３５】（実施例７、比較例７、８）実施例２で得
られたシート状吸着剤（実施例７）と比較のため、実施
例２で使用した基布（比較例７）及びウレタンに活性炭
粉末を添着したフィルター（比較例８）の導電特性及び
タバコの煙の脱臭と除塵性能を比較した。(Example 7, Comparative Examples 7 and 8) The base cloth (Comparative Example 7) and urethane used in Example 2 for comparison with the sheet-like adsorbent obtained in Example 2 (Example 7). The conductive characteristics of a filter (Comparative Example 8) impregnated with activated carbon powder and the deodorizing and dust removing performance of cigarette smoke were compared.
【００３６】表５に距離10cmの電気抵抗を示す。Table 5 shows the electric resistance at a distance of 10 cm.
【００３７】[0037]
【表５】 [Table 5]
【００３８】次に、20mm幅×10m に裁断した試料を寸法
300 ×250mm のフィルター枠に所々凹凸をつけて渦巻き
状に巻いた。市販の電気集塵方式の脱臭機を用い、１×
１×１m 透明アクリルボックス内でマイルドセブン５本
を燃やし、脱臭フィルターには10mVの電圧で電流を流し
た。30分間運転後のタバコの煙及び臭気の除去性能を調
べた。Next, the size of a sample cut into a width of 20 mm × 10 m is measured.
A 300 × 250 mm filter frame was spirally wound with irregularities. Using a commercially available electrostatic precipitator deodorizer, 1 x
Five mild sevens were burned in a 1 x 1m transparent acrylic box, and a current of 10 mV was applied to the deodorizing filter. The performance of removing cigarette smoke and odor after 30 minutes of operation was examined.
【００３９】その結果を表６に示す。尚脱臭は炭化水素
計（島津HCM-1B) で、また除塵の状態は肉眼で観察し
た。The results are shown in Table 6. Deodorization was observed with a hydrocarbon meter (Shimadzu HCM-1B), and the state of dust removal was visually observed.
【００４０】[0040]
【表６】 [Table 6]
【００４１】本発明品は脱臭と除塵が同時にできている
ことが分かる。It can be seen that the product of the present invention is capable of deodorization and dust removal at the same time.
【００４２】（実施例８）実施例４で得られたシート状
吸着剤を磁化処理し、10cm角に裁断した吸着剤を冷蔵蔵
の蓋及び車のトランクの内面への付着試験をした。形状
が複雑な部分でも鉄板への付着が極めて良好であること
を確認した。(Example 8) The sheet-shaped adsorbent obtained in Example 4 was subjected to a magnetization treatment, and the adsorbent cut into 10 cm squares was tested for adhesion to the refrigerated lid and the inner surface of the trunk of a car. It was confirmed that the adhesion to the iron plate was extremely good even in the complicated shape.
【００４３】（実施例９、比較例９）実施例１で得られ
たシート状吸着剤（実施例９）及び比較のため粒度10〜
32メッシュの活性炭（比較例９）を使用して、脱臭速度
を比較した。(Example 9, Comparative Example 9) The sheet-shaped adsorbent obtained in Example 1 (Example 9) and a particle size of 10 to 10 for comparison.
Deodorization rates were compared using 32 mesh activated carbon (Comparative Example 9).
【００４４】ガス循環系吸着装置を用い、ガス量50 lで
50ppm のガスを吸着塔（ガラスカラム40mmΦ) に導入
し、LV 0.5m/分で吸着剤に吸着させた。活性炭量は3g使
用し、25℃でベンゼン及び硫化水素濃度の減衰の経過を
調べた。Using a gas circulation system adsorption device, with a gas amount of 50 l
Gas of 50 ppm was introduced into the adsorption tower (glass column 40 mmΦ) and adsorbed by the adsorbent at LV 0.5 m / min. The amount of activated carbon used was 3 g, and the process of decay of benzene and hydrogen sulfide concentrations was examined at 25 ° C.
【００４５】その結果を図１と図２に示す。同じ活性炭
量の場合ガスとの接触面積の大きい本発明品の吸着性が
優れていることが分かる。The results are shown in FIGS. 1 and 2. It can be seen that when the amount of activated carbon is the same, the adsorptivity of the product of the present invention having a large contact area with gas is excellent.
【００４６】[0046]
【発明の効果】本発明のシート状吸着剤は成型加工が容
易で、ダンボール状、ハニカム状、プリーツ状等にする
ことにより、圧損失を増加させず吸着速度を高めること
が出来、更に磁性材料を併せて添着することにより、複
雑な形状を有する物体の表面に密着させることが可能と
なる。また難燃性材料を併せて添着し、または基材に難
燃性シートを使用することにより、吸着材に高い難燃性
を付与することが出来る。The sheet-shaped adsorbent of the present invention can be easily molded, and when it is made into a cardboard shape, a honeycomb shape, a pleated shape or the like, the adsorption speed can be increased without increasing the pressure loss, and further the magnetic material can be used. By attaching together, it becomes possible to closely adhere to the surface of an object having a complicated shape. Further, by attaching a flame-retardant material together or using a flame-retardant sheet as a substrate, it is possible to impart high flame retardancy to the adsorbent.
【図１】シート状吸着剤の製造工程のフローシートを示
す。FIG. 1 shows a flow sheet of a manufacturing process of a sheet-shaped adsorbent.
１ 吸着剤原料基布ロール ２ 泡抜きロール ３ 粉末活性炭含有エマルジョン ４ 絞りロール ５ ドクタースクレーパー ６ ドライヤー ７ シート状吸着剤巻取りロール 1 Adsorbent material base cloth roll 2 Defoaming roll 3 Powdered activated carbon-containing emulsion 4 Squeezing roll 5 Doctor scraper 6 Dryer 7 Sheet-shaped adsorbent winding roll
【図２】ガス循環時間とベンゼン濃度の変化を示す。FIG. 2 shows changes in gas circulation time and benzene concentration.
【図３】ガス循環時間と硫化水素濃度の変化を示す。FIG. 3 shows changes in gas circulation time and hydrogen sulfide concentration.
８ 実施例９ ９ 比較例９ 8 Example 9 9 Comparative Example 9
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 // Ｄ２１Ｈ 21/14 21/34 7199−3Ｂ Ｄ２１Ｈ 5/00 Ｚ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location // D21H 21/14 21/34 7199-3B D21H 5/00 Z
Claims (3)
ズ及び水を主成分とするエマルジョンに、吸着剤粉末と
磁性材料及び／または難燃性材料の粉末を分散させ、シ
ートに添着せしめてなる、磁性及び／または難燃性を有
するシート状吸着剤。1. An adsorbent powder and a powder of a magnetic material and / or a flame-retardant material are dispersed in an emulsion containing latex, carboxymethyl cellulose and water as main components, and the powder is magnetically and / or attached to a sheet. Sheet-shaped adsorbent with flame retardancy.
性及び／または難燃性を有するシート状吸着剤。2. The magnetic and / or flame-retardant sheet-shaped adsorbent according to claim 1, wherein the adsorbent is activated carbon.
性及び／または難燃性を有するシート状吸着剤。3. The magnetic and / or flame-retardant sheet-shaped adsorbent according to claim 1, wherein the sheet is flame-retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4027343A JP2995438B2 (en) | 1992-01-17 | 1992-01-17 | Sheet adsorbent with magnetism and flame retardancy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4027343A JP2995438B2 (en) | 1992-01-17 | 1992-01-17 | Sheet adsorbent with magnetism and flame retardancy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05200224A true JPH05200224A (en) | 1993-08-10 |
| JP2995438B2 JP2995438B2 (en) | 1999-12-27 |
Family
ID=12218406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4027343A Expired - Fee Related JP2995438B2 (en) | 1992-01-17 | 1992-01-17 | Sheet adsorbent with magnetism and flame retardancy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2995438B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542968A (en) * | 1995-01-24 | 1996-08-06 | Laroche Industries, Inc. | Enthalphy Wheel |
| US5660048A (en) * | 1996-02-16 | 1997-08-26 | Laroche Industries, Inc. | Air conditioning system for cooling warm moisture-laden air |
| US5860284A (en) * | 1996-07-19 | 1999-01-19 | Novel Aire Technologies, L.L.C. | Thermally regenerated desiccant air conditioner with indirect evaporative cooler |
| EP1583601A2 (en) * | 2003-01-13 | 2005-10-12 | Engineering Performance Solutions LLC | Magnetic activated carbon and the removal of contaminants from a fluid streams |
| WO2006019013A1 (en) * | 2004-08-18 | 2006-02-23 | Kuraray Chemical Co., Ltd | Transpiration fuel gas adsorbent and process for producing the same |
| JP2013212487A (en) * | 2011-07-12 | 2013-10-17 | Mitsubishi Paper Mills Ltd | Magnetic adsorbent particle |
-
1992
- 1992-01-17 JP JP4027343A patent/JP2995438B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542968A (en) * | 1995-01-24 | 1996-08-06 | Laroche Industries, Inc. | Enthalphy Wheel |
| US5660048A (en) * | 1996-02-16 | 1997-08-26 | Laroche Industries, Inc. | Air conditioning system for cooling warm moisture-laden air |
| US5890372A (en) * | 1996-02-16 | 1999-04-06 | Novelaire Technologies, L.L.C. | Air conditioning system for cooling warm moisture-laden air |
| US5860284A (en) * | 1996-07-19 | 1999-01-19 | Novel Aire Technologies, L.L.C. | Thermally regenerated desiccant air conditioner with indirect evaporative cooler |
| EP1583601A2 (en) * | 2003-01-13 | 2005-10-12 | Engineering Performance Solutions LLC | Magnetic activated carbon and the removal of contaminants from a fluid streams |
| EP1583601A4 (en) * | 2003-01-13 | 2006-04-05 | Engineering Performance Soluti | Magnetic activated carbon and the removal of contaminants from a fluid streams |
| WO2006019013A1 (en) * | 2004-08-18 | 2006-02-23 | Kuraray Chemical Co., Ltd | Transpiration fuel gas adsorbent and process for producing the same |
| JP2013212487A (en) * | 2011-07-12 | 2013-10-17 | Mitsubishi Paper Mills Ltd | Magnetic adsorbent particle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2995438B2 (en) | 1999-12-27 |
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