JP4362708B2 - Cellulosic fiber or fiber product that has the ability to prevent pollen adhesion - Google Patents
Cellulosic fiber or fiber product that has the ability to prevent pollen adhesion Download PDFInfo
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本発明は、花粉付着防止能を有するセルロース系繊維又は繊維製品に関する。 The present invention relates to a cellulosic fiber or fiber product having an ability to prevent pollen adhesion.
花粉症は、発症すると完治が困難な病気であり、花粉症患者の数は、年々増加の一途を辿っている。花粉症の有効な治療方法は未だ確立されていない。 Hay fever is a disease that is difficult to cure once it develops, and the number of people with hay fever is increasing year by year. An effective treatment method for hay fever has not yet been established.
スギ花粉等の花粉が多く飛んでいる時期に外出すると、衣類に花粉が付着し、衣類に付着した花粉が屋内に持ち込まれる。そのため、花粉症の病状を緩和するには、衣類に付着した花粉をはたき落としてから屋内に入ることが望まれる。また、花粉が多く飛んでいる時期に布団を干すと、布団に花粉が付着し、布団に付着した花粉が屋内に持ち込まれるので、布団を屋内に干さないことが望まれる。 If you go out when a lot of pollen such as cedar pollen is flying, pollen adheres to clothing and pollen that adheres to clothing is brought indoors. Therefore, in order to alleviate the pathology of hay fever, it is desirable that the pollen adhering to the clothes be scraped off before entering the room. Also, if the futon is dried when a lot of pollen is flying, the pollen adheres to the futon and the pollen adhering to the futon is brought indoors. Therefore, it is desirable not to dry the futon indoors.
今日まで、花粉が付着し難い繊維としては、例えば、特許文献１等に記載の繊維が知られている。 To date, as a fiber to which pollen is difficult to adhere, for example, a fiber described in Patent Document 1 is known.
特許文献１には、ＫＥＳ法による布帛表面の摩擦係数の平均偏差（ＭＭＤ）のタテ方向、ヨコ方向の各々の値が０．０４以下で、かつ表面粗さの平均偏差（ＳＭＤ）のタテ方向、ヨコ方向の各々の値が４．０μｍ以下である繊維構造物が記されている。この繊維の材質は、主に合成繊維であり、ポリエステル系繊維、ポリアミド系繊維及びポリオレフィン系繊維が好ましいとされている。 In Patent Document 1, the vertical direction of the average deviation (MMD) of the friction coefficient of the fabric surface by the KES method is 0.04 or less, and the vertical direction of the average deviation (SMD) of the surface roughness. The fiber structure in which each value in the horizontal direction is 4.0 μm or less is described. The material of this fiber is mainly a synthetic fiber, and polyester fiber, polyamide fiber and polyolefin fiber are preferred.
しかしながら、特許文献１に記載の発明で使用される繊維は、表面摩擦係数の小さい繊維、即ち表面が平滑な繊維に限定されている。 However, the fibers used in the invention described in Patent Document 1 are limited to fibers having a small surface friction coefficient, that is, fibers having a smooth surface.
表面が平滑でない繊維、例えば木綿等のセルロース系繊維を用いて花粉が付着し難い繊維製品を製造する技術は、今日まで未だ開発されていない。
本発明は、花粉付着防止能を有するセルロース系繊維又は繊維製品を提供することを課題とする。 This invention makes it a subject to provide the cellulosic fiber or textiles which has pollen adhesion prevention ability.
本発明者らは、花粉付着防止能を有するセルロース系繊維又は繊維製品を開発すべく鋭意研究を重ねた結果、アルミナ微粒子をセルロース系繊維に付着又は含浸させることにより、上記課題が解決された繊維又は繊維製品が得られることを見い出した。更に、本発明者らは、アルミナ微粒子及び膨潤性粘土鉱物をセルロース系繊維に付着又は含浸させることにより、上記課題が解決されると共に、より一段と優れた性能を有する繊維又は繊維製品が得られることを見い出した。本発明は、斯かる知見に基づき完成されたものである。
１．本発明は、アルミナ微粒子を付着又は含浸してなるセルロース系繊維又は繊維製品を提供する。
２．本発明は、前記アルミナ微粒子の平均粒径が１μｍ程度以下である請求項１に記載の繊維又は繊維製品を提供する。
３．本発明は、アルミナ微粒子及び膨潤性粘土鉱物を付着又は含浸してなるセルロース系繊維又は繊維製品を提供する。
４．本発明は、前記アルミナ微粒子の平均粒径が１μｍ程度以下である請求項３に記載の繊維又は繊維製品を提供する。
５．本発明は、前記膨潤性粘土鉱物がスメクタイト系粘土である請求項３又は４に記載の繊維又は繊維製品を提供する。
As a result of earnest research to develop cellulosic fibers or fiber products having the ability to prevent pollen adhesion, the present inventors have developed a fiber in which the above problems have been solved by adhering or impregnating alumina fine particles to cellulosic fibers. Or it has been found that a textile product can be obtained. Furthermore, the present inventors can solve the above-mentioned problems and obtain a fiber or fiber product having more excellent performance by attaching or impregnating the alumina fine particles and the swellable clay mineral to the cellulosic fiber. I found out. The present invention has been completed based on such findings.
1. The present invention provides a cellulosic fiber or fiber product formed by adhering or impregnating alumina fine particles.
2. The present invention provides the fiber or fiber product according to claim 1, wherein the average particle size of the alumina fine particles is about 1 μm or less.
3. The present invention provides a cellulosic fiber or fiber product formed by adhering or impregnating alumina fine particles and a swellable clay mineral.
4). The present invention provides the fiber or fiber product according to claim 3, wherein the average particle size of the alumina fine particles is about 1 μm or less.
5. The present invention provides the fiber or fiber product according to claim 3 or 4, wherein the swellable clay mineral is a smectite clay.
本発明の繊維は、アルミナ微粒子が付着又は含浸しているセルロース系繊維である。 The fiber of the present invention is a cellulosic fiber to which alumina fine particles are attached or impregnated.
本発明の繊維は、優れた花粉付着防止能を有している。対象となる花粉の種類は、限定されるものではない。例えば、イネ花粉、カモガヤ花粉等のイネ科花粉、ブタクサ花粉、ヨモギ花粉等のキク科花粉、スギ花粉、ヒノキ花粉、ハンノキ花粉、シラカバ花粉等を挙げることができる。 The fiber of the present invention has an excellent ability to prevent pollen adhesion. The kind of pollen used as object is not limited. Examples thereof include grass pollen such as rice pollen and camodium pollen, asteraceae pollen such as ragweed pollen and mugwort pollen, cedar pollen, cypress pollen, alder pollen, birch pollen and the like.
本発明において、セルロース繊維は、従来より公知のセルロース繊維であり、例えば木綿、麻等の天然セルロース又はこれらの混紡品である。本発明のセルロース繊維には、これら繊維の他、これら繊維の一次加工品、例えば糸、ニット、織物、編物、不織布等が包含される。特に木綿の場合、原綿そのもの、苛性マーセル化した木綿、液体アンモニアで処理した木綿等も、本発明のセルロース繊維に包含される。 In this invention, a cellulose fiber is a conventionally well-known cellulose fiber, for example, natural celluloses, such as cotton and hemp, or these blended products. The cellulose fibers of the present invention include, in addition to these fibers, primary processed products of these fibers, such as yarns, knits, woven fabrics, knitted fabrics, and nonwoven fabrics. In particular, in the case of cotton, raw cotton itself, caustic mercerized cotton, cotton treated with liquid ammonia, and the like are also included in the cellulose fiber of the present invention.
本発明においては、本発明のセルロース繊維に合成繊維、半合成繊維及び再生繊維から選ばれた少なくとも１種を混紡、交撚、混編させることもできる。 In the present invention, at least one selected from synthetic fibers, semi-synthetic fibers, and regenerated fibers can be blended, twisted, and blended with the cellulose fibers of the present invention.
合成繊維としては、従来より公知のものを広く例示でき、例えばポリエステル、液晶ポリエステル、ポリアミド、液晶ポリアミド、アクリル、ポリエチレン、ポリプロピレン、スパンデックス等を挙げることができる。 As the synthetic fiber, conventionally known ones can be widely exemplified, and examples thereof include polyester, liquid crystal polyester, polyamide, liquid crystal polyamide, acrylic, polyethylene, polypropylene, spandex and the like.
半合成繊維としては、従来より公知のものを広く例示でき、例えばジアセテート、トリアセテート等を挙げることができる。 As the semi-synthetic fiber, conventionally known fibers can be widely exemplified, and examples thereof include diacetate and triacetate.
再生繊維としては、従来より公知のものを広く例示でき、例えばレーヨン、ポリノジック、キュプラ等を挙げることができる。 Examples of regenerated fibers include widely known ones such as rayon, polynosic, and cupra.
本発明において、繊維製品とは、上記繊維を更に加工したもの、例えば外衣、中衣、内衣等の衣料、寝装品、インテリア等の製品を意味する。本発明の繊維製品としては、具体的にはコート、ジャケット、ズボン、スカート、ワイシャツ、ニットシャツ、ブラウス、セーター、カーディガン、ナイトウエア、肌着、サポーター、靴下、タイツ、帽子、スカーフ、マフラー、襟巻き、手袋、服の裏地、服の芯地、服の中綿、作業着、白衣、ユニフォーム、囚人服、学童用制服等の衣料、カーテン、布団地、布団綿、枕カバー、シーツ、マット、カーペット、タオル、ハンカチ、ぬいぐるみ等の寝装品、ミシン糸、刺繍糸、組み紐、ストラップ、モール、釣り糸、疑似餌等の糸製品、商品に付けるタグ等の製品、上記繊維から作られた紙製品又は不織布、カバン、電子製品に使用する資材、建築用資材等を例示できる。 In the present invention, the textile product means a product obtained by further processing the above-described fiber, for example, a clothing such as an outer garment, a middle garment, an inner garment, a bedding product, or an interior. Specifically, the textile products of the present invention include coats, jackets, trousers, skirts, shirts, knitted shirts, blouses, sweaters, cardigans, nightwear, underwear, supporters, socks, tights, hats, scarves, mufflers, and collars. , Gloves, clothing lining, clothing interlining, clothing batting, work clothes, lab coats, uniforms, prison clothing, school uniforms, curtains, futon mats, duvet cotton, pillowcases, sheets, mats, carpets, Bedding products such as towels, handkerchiefs, stuffed animals, sewing threads, embroidery threads, braided strings, straps, malls, fishing lines, fake bait products, products such as tags attached to products, paper products or non-woven fabric made from the above fibers, bags Examples include materials used for electronic products, building materials, and the like.
本発明の繊維又は繊維製品は、アルミナ微粒子を繊維又は繊維製品に付着及び／又は含浸させることにより製造される。 The fiber or fiber product of the present invention is produced by attaching and / or impregnating alumina fine particles to the fiber or fiber product.
アルミナ微粒子としては、公知のアルミナ微粒子を広く使用できる。アルミナ微粒子の平均粒径は、通常１μｍ程度以下、好ましくは０．０１〜０．５μｍ程度、より好ましくは０．０２〜０．２μｍ程度である。ここで平均粒径は、動的光散乱法により求めたものである。粒度分布の測定には、例えば、動的光散乱式粒径分布測定装置（堀場製作所（株）製のＬＢ−５５０）を使用することができる。 Known alumina fine particles can be widely used as the alumina fine particles. The average particle size of the alumina fine particles is usually about 1 μm or less, preferably about 0.01 to 0.5 μm, more preferably about 0.02 to 0.2 μm. Here, the average particle diameter is determined by a dynamic light scattering method. For the measurement of the particle size distribution, for example, a dynamic light scattering type particle size distribution measuring device (LB-550 manufactured by Horiba, Ltd.) can be used.
本発明では、上記アルミナ微粒子は、本発明繊維又は繊維製品中に０．０１〜１０重量％程度、好ましくは０．１〜５重量％程度付着及び／又は含浸しているのがよい。例えば、目付１５０ｇ／ｍ2の織物の１ｍ2には、上記アルミナ微粒子が、通常１５〜１５０００ｍｇ程度、好ましくは１５０〜７５００ｍｇ程度付着及び／又は含浸されている。 In the present invention, the alumina fine particles are preferably adhered and / or impregnated in the fiber or fiber product of the present invention in an amount of about 0.01 to 10% by weight, preferably about 0.1 to 5% by weight. For example, the 1 m 2 of the fabric of basis weight 150 g / m 2, the alumina particles, usually about 15～15000Mg, preferably are attached and / or impregnation of about 150～7500Mg.
本発明の繊維又は繊維製品は、アルミナ微粒子と共に膨潤性粘土鉱物が繊維又は繊維製品に付着及び／又は含浸していてもよい。 In the fiber or fiber product of the present invention, the swellable clay mineral may adhere to and / or impregnate the fiber or fiber product together with the alumina fine particles.
斯かる繊維は、アルミナ微粒子及び膨潤性粘土鉱物を繊維又は繊維製品に付着及び／又は含浸させることにより製造される。 Such fibers are produced by adhering and / or impregnating fine alumina particles and swellable clay minerals to fibers or fiber products.
膨潤性粘土鉱物としては、公知のものを広く使用できる。膨潤性粘土鉱物の具体例としては、例えば、モンモリロナイト、ビーデライト、ノントロナイト、ヘクトライト、サポナイト等のスメクタイト系粘土等を挙げることができる。これらの中でも、モンモリロナイト、ヘクトライト又はサポナイトのアルカリ金属塩ないしアルカリ土類金属塩が好適である。 As the swellable clay mineral, known materials can be widely used. Specific examples of the swellable clay mineral include, for example, smectite clays such as montmorillonite, beiderite, nontronite, hectorite, and saponite. Among these, montmorillonite, hectorite or saponite alkali metal salt or alkaline earth metal salt is preferred.
膨潤性粘土鉱物の平均粒径は、通常０．０１〜５μｍ程度、より好ましくは０．１〜１μｍ程度である。ここで平均粒径は、アルミナ微粒子と同様に、動的光散乱法により求めたものである。 The average particle size of the swellable clay mineral is usually about 0.01 to 5 μm, more preferably about 0.1 to 1 μm. Here, the average particle diameter is determined by the dynamic light scattering method, as with the alumina fine particles.
本発明では、上記膨潤性粘土鉱物は、本発明繊維又は繊維製品中に０．００１〜２重量％程度、好ましくは０．０１〜０．５重量％程度付着及び／又は含浸されているのがよい。例えば、目付１５０ｇ／ｍ2の織物の１ｍ2には、上記膨潤性粘土鉱物が、通常１．５〜３０００ｍｇ程度、好ましくは１５〜７５０ｍｇ程度付着及び／又は含浸されている。 In the present invention, the swellable clay mineral is adhered and / or impregnated in the fiber or fiber product of the present invention in an amount of about 0.001 to 2% by weight, preferably about 0.01 to 0.5% by weight. Good. For example, the 1 m 2 of the fabric of basis weight 150 g / m 2, the swelling clay mineral, usually about 1.5～3000Mg, preferably are attached and / or impregnation of about 15～750Mg.
セルロース繊維又は繊維製品にアルミナ微粒子又はアルミナ微粒子及び膨潤性粘土鉱物を付着及び／又は含浸させるに当たっては、従来より公知の方法、例えば浸漬法、スプレー法、コーティング法、浴中吸尽法等を広く適用することができる。 In attaching and / or impregnating cellulose fine particles or fine alumina fine particles and swellable clay minerals to cellulose fibers or fiber products, conventionally known methods such as dipping, spraying, coating, and exhausting in bath are widely used. Can be applied.
以下、浸漬法につき詳述する。 Hereinafter, the immersion method will be described in detail.
処理液中のアルミナ微粒子及び膨潤性粘土鉱物濃度は、処理液の絞り率と必要とする担持量より算出した濃度に設定すればよい。 What is necessary is just to set the alumina fine particle and swelling clay mineral density | concentration in a process liquid to the density | concentration computed from the squeeze rate of the process liquid and the required loading amount.
本発明では、アルミナ微粒子を含有する処理液又は膨潤性粘土鉱物を含有する処理液中に処理すべきセルロース繊維を浸漬する、いわゆる、浸漬法を採用するのが好ましい。 In the present invention, it is preferable to employ a so-called dipping method in which cellulose fibers to be treated are dipped in a treatment solution containing alumina fine particles or a treatment solution containing a swellable clay mineral.
上記処理液を構成する溶媒としては有機溶媒でも差支えないが、安全、価格を考慮すれば水を溶媒にするのが好ましい。従って、処理液は、通常、水分散液の形態で使用される。 The solvent constituting the treatment liquid may be an organic solvent, but it is preferable to use water as a solvent in consideration of safety and price. Accordingly, the treatment liquid is usually used in the form of an aqueous dispersion.
上記処理液のセルロース繊維に対する浸透速度は充分に速く、浸漬時間、浴温度に特に制限はない。通常、浸漬時間０．１〜３００秒、浴温は１０〜４０℃で行われる。絞りは加工する製品によって異なり、夫々に適当な絞り方法、絞り率が採用できる。通常、絞り率は５０〜１００％で行うのが好ましい。 The permeation rate of the treatment liquid into the cellulose fibers is sufficiently high, and there are no particular limitations on the immersion time and bath temperature. Usually, the immersion time is 0.1 to 300 seconds and the bath temperature is 10 to 40 ° C. The aperture varies depending on the product to be processed, and an appropriate aperture method and aperture ratio can be adopted for each. Usually, it is preferable that the drawing rate is 50 to 100%.
浸漬、絞りを行った後、乾燥を行う。工業的には、乾燥温度は４０〜２００℃、時間は温度に応じて選定すればよい。 After soaking and squeezing, drying is performed. Industrially, the drying temperature may be 40 to 200 ° C., and the time may be selected according to the temperature.
アルミナ微粒子及び膨潤性粘土鉱物を付着又は含浸させる場合、繊維又は繊維製品を、膨潤性粘土鉱物を含有する処理液で処理し、次いでアルミナ微粒子を含有する処理液で処理してもよいし、アルミナ微粒子を含有する処理液で処理し、次いで膨潤性粘土鉱物を含有する処理液で処理してもよい。 When adhering or impregnating the alumina fine particles and the swellable clay mineral, the fiber or fiber product may be treated with a treatment liquid containing the swellable clay mineral and then treated with a treatment liquid containing the alumina fine particles, or alumina. You may process with the process liquid containing microparticles | fine-particles, and may then process with the process liquid containing a swellable clay mineral.
また、本発明の繊維製品は、繊維にアルミナ微粒子又はアルミナ微粒子及び膨潤性粘土鉱物を付着及び／又は含浸させ、次に得られる本発明繊維から通常の方法に従って製造することもできる。 In addition, the fiber product of the present invention can be produced by attaching and / or impregnating alumina fine particles or alumina fine particles and a swellable clay mineral to the fiber, and then producing the fiber product of the present invention according to a usual method.
アルミナ微粒子又はアルミナ微粒子及び膨潤性粘土鉱物を付着又は含浸した本発明繊維又は繊維製品には、更に必要に応じて、本発明の効果を損なわない範囲内で、形態安定加工、柔軟処理加工、カレンダー加工等を施してもよい。 The fiber or fiber product of the present invention to which the alumina fine particles or alumina fine particles and the swellable clay mineral are attached or impregnated is further subjected to form-stabilization processing, flexible treatment processing, calender, as long as the effect of the present invention is not impaired. Processing etc. may be given.
本発明によれば、花粉が付着し難く、しかも付着した花粉の大部分を極めて容易に除去し得るセルロース系繊維又は繊維製品が提供される。そのため、例えば、花粉が付着した繊維又は繊維製品を、軽く払ったり、たたくだけで、付着した花粉の大部分をセルロース系繊維又は繊維製品から取り除くことができる。 ADVANTAGE OF THE INVENTION According to this invention, a cellulosic fiber or fiber product which can hardly remove pollen and can remove most adhering pollen very easily is provided. Therefore, for example, most of the adhered pollen can be removed from the cellulosic fiber or fiber product simply by lightly tapping or tapping the fiber or fiber product to which the pollen is adhered.
アルミナ微粒子と共に膨潤性粘土鉱物が付着及び／又は含浸したセルロース系繊維又は繊維製品は、花粉付着防止能に優れている他、花粉アレルゲン吸着効果を有している。そのため、セルロース系繊維又は繊維製品に付着した花粉が除去されず、該花粉からアレルギーの原因物質である花粉アレルゲンが溶出したとしても、花粉アレルゲンの皮膚への接触又は皮内への侵入を防止することができる。 Cellulosic fibers or fiber products in which swellable clay minerals are adhered and / or impregnated with alumina fine particles are excellent in pollen adhesion preventing ability and have a pollen allergen adsorbing effect. Therefore, even if the pollen attached to the cellulosic fiber or the fiber product is not removed and the pollen allergen that causes allergy is eluted from the pollen, the pollen allergen is prevented from coming into contact with or entering the skin. be able to.
本発明の繊維又は繊維製品は、洗濯を繰り返し行ってもアルミナ微粒子及び／又は膨潤性粘土鉱物が繊維から殆ど脱落しない性能（耐洗濯性）を備えており、長期に亘って上記で述べた優れた効果を発現し得る。 The fiber or fiber product of the present invention has the performance (washing resistance) that the alumina fine particles and / or the swellable clay mineral hardly fall off from the fiber even after repeated washing, and the above-mentioned excellent performance The effect can be expressed.
以下に実施例及び比較例を掲げて、本発明をより一層明らかにする。 The present invention will be further clarified by the following examples and comparative examples.
実施例１
目付１５０ｇ／ｍ2の綿織物を精練、漂白、シルケット処理の後、アルミナ微粒子（一次粒子径３０ｎｍ）の２％水分散液に浸漬後、マングルで絞り（絞り率：７０％）、１００℃で乾燥させて、本発明の綿織物を得た。
Example 1
After scouring, bleaching and mercerizing a cotton fabric with a basis weight of 150 g / m 2 , immersing it in a 2% aqueous dispersion of alumina fine particles (primary particle size 30 nm), squeezing with a mangle (squeezing rate: 70%), and drying at 100 ° C. The cotton fabric of the present invention was obtained.
この綿織物は、アルミナ微粒子を１．４重量％（綿織物１ｍ2当たり２．１ｇ）含有していた。 This cotton fabric contained 1.4% by weight of alumina fine particles (2.1 g per 1 m 2 of cotton fabric).
実施例２
目付１５０ｇ／ｍ2の綿織物を精練、漂白、シルケット処理の後、スメクタイト系粘土（平均粒径：０．５μｍ、商品名：プリシェード２Ａ、製造会社名：一方社油脂工業（株））の１０％水分散液に浸漬後、マングルで絞り（絞り率：７０％）、１００℃で乾燥させた。次いで、この綿織物をアルミナ微粒子（一次粒子径３０ｎｍ）の２％水分散液に浸漬し、マングルで絞り（絞り率：７０％）、１００℃で乾燥させて、本発明の綿織物を得た。
Example 2
After scouring, bleaching, and mercerizing a cotton fabric having a basis weight of 150 g / m 2 , smectite clay (average particle size: 0.5 μm, trade name: Preshade 2A, manufacturing company name: Ichisha Yushi Kogyo Co., Ltd.) 10 After dipping in a% aqueous dispersion, the film was squeezed with mangle (squeezing ratio: 70%) and dried at 100 ° C. Next, this cotton fabric was dipped in a 2% aqueous dispersion of alumina fine particles (primary particle size 30 nm), squeezed with mangle (squeezing rate: 70%), and dried at 100 ° C. to obtain the cotton fabric of the present invention.
この綿織物は、アルミナ微粒子を１．４重量％（綿織物１ｍ2当たり２．１ｇ）、スメクタイト系粘土を０．２８重量％（綿織物１ｍ2当たり０．４２ｇ）含有していた。 This cotton fabric contained 1.4% by weight of alumina fine particles (2.1 g / m 2 of cotton fabric) and 0.28% by weight of smectite clay (0.42 g / m 2 of cotton fabric).
比較例１
目付１５０ｇ／ｍ2の綿織物を精練、漂白、シルケット処理の後、水に浸漬後、マングルで絞り（絞り率：７０％）、１００℃で乾燥させて、綿織物を得た。
Comparative Example 1
A cotton fabric having a basis weight of 150 g / m 2 was subjected to scouring, bleaching, and mercerization treatment, dipping in water, drawing with a mangle (squeezing rate: 70%), and drying at 100 ° C. to obtain a cotton fabric.
比較例２
目付１５０ｇ／ｍ2の綿織物を精練、漂白、シルケット処理の後、スメクタイト系粘土（平均粒径：０．５μｍ、商品名：プリシェード２Ａ、製造会社名：一方社油脂工業（株））の１０％水分散液に浸漬後、マングルで絞り（絞り率：７０％）、１００℃で乾燥させて、綿織物を得た。
Comparative Example 2
After scouring, bleaching, and mercerizing a cotton fabric having a basis weight of 150 g / m 2 , smectite clay (average particle size: 0.5 μm, trade name: Preshade 2A, manufacturing company name: Ichisha Yushi Kogyo Co., Ltd.) 10 After dipping in a% aqueous dispersion, it was squeezed with mangle (squeezing rate: 70%) and dried at 100 ° C. to obtain a cotton fabric.
試験例１（スギ花粉脱落効果）
実施例１、実施例２、比較例１及び比較例２で得られた各綿織物を縦４０ｍｍ、横６５ｍｍの大きさに裁断し、試験布各６枚（計２４枚）を準備した。
Test Example 1 (Sugi pollen shedding effect)
Each cotton fabric obtained in Example 1, Example 2, Comparative Example 1 and Comparative Example 2 was cut into a size of 40 mm in length and 65 mm in width to prepare 6 test cloths each (24 sheets in total).
実施例１、実施例２、比較例１及び比較例２で得られた各綿織物から作成された試験布各３枚を、そのまま試験に供した。また、実施例１、実施例２、比較例１及び比較例２で得られた各綿織物から作成された試験布各３枚を洗濯し、これらを試験に供した。尚、洗濯は花王（株）製の花王ニュービーズを１．５ｇ／リットルの割合で溶解した水溶液を用い、４０℃で１０分間、家庭用洗濯機中で洗濯し、次いで水洗し、乾燥する操作を１サイクルとして、このサイクルを１０回繰り返した。 Three test cloths made from each cotton fabric obtained in Example 1, Example 2, Comparative Example 1 and Comparative Example 2 were used for the test as they were. In addition, three test cloths made from each cotton fabric obtained in Example 1, Example 2, Comparative Example 1 and Comparative Example 2 were washed and used for the test. Washing is carried out using an aqueous solution in which Kao New Beads manufactured by Kao Corporation are dissolved at a rate of 1.5 g / liter, washing in a household washing machine at 40 ° C. for 10 minutes, then washing with water and drying. This cycle was repeated 10 times.
各試験布（４０ｍｍ×６５ｍｍ）を、内容積４９０ｃｍ2のデシケーター内に置き、密栓した。花粉交配器にスギ花粉を入れ、デシケーターの横穴に交配器の噴霧パイプを挿入し、スギ花粉を３０秒間噴霧した。スギ花粉の噴霧量は、３０秒当たり０．１ｇとした。噴霧終了後、デシケーターを５分間静置し、スギ花粉を沈降させた。噴霧及び静置を５回繰り返してから、各試験布をデシケーターから取り出した。 Each test cloth (40 mm × 65 mm) was placed in a desiccator having an internal volume of 490 cm 2 and sealed. The cedar pollen was put into the pollen mater, the spray pipe of the mater was inserted into the side hole of the desiccator, and the cedar pollen was sprayed for 30 seconds. The amount of cedar pollen sprayed was 0.1 g per 30 seconds. After spraying, the desiccator was allowed to stand for 5 minutes to allow cedar pollen to settle. After spraying and standing 5 times, each test cloth was taken out from the desiccator.
各試験布について、１．４ｍｍ×１．８ｍｍの範囲内に付着している花粉数を、マイクロスコープ（×２００）を用いて、計数した。 About each test cloth, the number of pollen adhering in the range of 1.4 mm x 1.8 mm was counted using the microscope (x200).
次に、スギ花粉が付着した各試験布をはたき、はたいた後の花粉付着数を上記と同様にして計数した。試験布をはたく操作は、水平面に対して６０°に傾けた鉄板（３０ｃｍ×３０ｃｍ×５ｍｍ）の裏面に両面テープで試験布を貼り付け、該鉄板の真上（試験布から３０ｃｍの高さ）から４５０ｇの鉄球を１回落下させることにより、行った。 Next, each test cloth to which cedar pollen adhered was beaten, and the number of pollen adhered after flapping was counted in the same manner as described above. The operation of knocking the test cloth is performed by attaching the test cloth to the back of an iron plate (30 cm × 30 cm × 5 mm) inclined at 60 ° with respect to the horizontal plane, and directly above the iron plate (30 cm above the test cloth). ) To drop 450 g of iron balls once.
次式に従い、花粉脱落率（％）（試験布３枚の平均値）を求めた。 According to the following formula, pollen omission rate (%) (average value of 3 test cloths) was determined.
実施例２及び比較例１で得られた各綿織物を縦５ｍｍ、横８ｍｍの大きさ（重さ２００ｍｇ）に裁断し、試験布各５枚を準備した。
Each cotton fabric obtained in Example 2 and Comparative Example 1 was cut into a size of 5 mm in length and 8 mm in width (weight 200 mg) to prepare 5 test cloths each.
スギ花粉アレルゲン（スギ花粉数として約９０万個分の花粉量）抽出液５ｍｌに、各試験布を投入した後、抽出液を６０分間撹拌した。次に、抽出液中のスギ花粉アレルゲン濃度を、サンドイッチＥＬＩＳＡ法により測定し、各試験布に吸着しているスギ花粉アレルゲンの割合（スギ花粉アレルゲン吸着率、％）を求めた。 Each test cloth was put into 5 ml of a cedar pollen allergen (the amount of pollen for about 900,000 cedar pollen), and then the extract was stirred for 60 minutes. Next, the cedar pollen allergen concentration in the extract was measured by a sandwich ELISA method, and the ratio of cedar pollen allergen adsorbed on each test cloth (cedar pollen allergen adsorption rate,%) was determined.
実施例２の試験布のスギ花粉アレルゲン吸着率は８０％（試験布５枚の平均値）であり、実施例２の試験布にスギ花粉アレルゲンの大部分が吸着された。これに対して、比較例１の試験布のスギ花粉アレルゲン吸着率は２０％（試験布５枚の平均値）であり、比較例１の試験布にはスギ花粉アレルゲンは殆ど吸着されなかった。 The cedar pollen allergen adsorption rate of the test cloth of Example 2 was 80% (average value of five test cloths), and most of the cedar pollen allergen was adsorbed on the test cloth of Example 2. In contrast, the cedar pollen allergen adsorption rate of the test cloth of Comparative Example 1 was 20% (average value of 5 test cloths), and the cedar pollen allergen was hardly adsorbed on the test cloth of Comparative Example 1.
試験例３（スギ花粉アレルギー発症抑制効果）
試験例１ではたいた後の試験布を１５ｍｍ四方の大きさに切断した。
Test example 3 (Sugi pollen allergy suppression effect)
In Test Example 1, the test cloth after tapping was cut into a size of 15 mm square.
これらの試験布を用い、スギ花粉アレルギー症の成人男性（３名）に対してアレルゲンのスクラッチテストを行った。即ち、成人男性の前腕屈側面に、針で皮膚面が出血しない程度の傷をつけ、その部分に上記各試験布を貼り、試験布上から生理食塩水０．１ｍｌをしみ込ませた。１時間後に試験布を剥離し、更に２時間後に皮膚の状態を目視により観察した。 Using these test cloths, an adult male (3 persons) with cedar pollen allergy was subjected to an allergen scratch test. That is, a wound was made on the forearm flexion side of an adult male to such an extent that the skin surface did not bleed with a needle, each test cloth was applied to that portion, and 0.1 ml of physiological saline was soaked from the test cloth. After 1 hour, the test cloth was peeled off, and after 2 hours, the condition of the skin was visually observed.
皮膚に紅斑が全く認められない場合を０、皮膚に軽度の紅斑が認められる場合を１、皮膚に中程度の紅斑が認められる場合を２、皮膚に重度の紅斑が認められる場合を３、皮膚に浮腫を伴う紅斑が認められる場合を４、と判定した。 0 if no erythema is observed on the skin, 1 if mild erythema is observed on the skin, 2 if moderate erythema is observed on the skin, 3 if severe erythema is observed on the skin, skin The case where erythema with edema was observed was determined as 4.
結果を表２に示す。 The results are shown in Table 2.
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