JP6148936B2

JP6148936B2 - How to visualize water vapor

Info

Publication number: JP6148936B2
Application number: JP2013176058A
Authority: JP
Inventors: 知佐吉澤
Original assignee: Asahi Kasei Corp
Current assignee: Asahi Kasei Corp
Priority date: 2013-08-27
Filing date: 2013-08-27
Publication date: 2017-06-14
Anticipated expiration: 2033-08-27
Also published as: JP2015045540A

Description

本発明は、サイズ０．３８ｎｍの水１分子が複数会合した肉眼では見えない会合水分子（以下、水蒸気ともいう。）の吸収、透過、放出又は蒸発状態を可視化する方法に関する。会合水分子は、サイズ数十μｍ以下であると肉眼では見えないと言われている。 The present invention relates to a method for visualizing the absorption, permeation, release, or evaporation state of associated water molecules (hereinafter also referred to as water vapor) in which a plurality of water molecules of size 0.38 nm are associated with each other. The associated water molecule is said to be invisible to the naked eye when the size is several tens of μm or less.

従来、衣服内、寝装内の熱移動特性を評価するために、人体皮膚温を模擬し、温熱板やサーマルマネキンを活用する等の方法が利用されている（非特許文献１参照）。
汗の蒸発も加味した熱・水分移動特性についても研究がなされており、皮膚の発汗状態を模擬し、発汗サーマルマネキンを活用する方法や、ろ紙と温熱板又は温熱板と微多孔膜や焼結板等を積層して模擬発汗皮膚とし、生地やろ紙の重量変化や、ヒーターの熱量変化から蒸発潜熱を含む熱・水分移動特性を推定するといった方法が提案されている（非特許文献２、３、４、特許文献１、２参照）。
しかしながら、潜熱移動は、顕熱移動の４倍程度の効果があるため（非特許文献５参照）、これらの技術はいずれも、人の恒常性に重要とされる不感蒸泄及び発汗作用を生地等の重量変化やヒーターの熱量から推し量るといった間接的な評価方法に過ぎない。 Conventionally, methods for simulating human skin temperature and using a thermal plate or a thermal mannequin have been used in order to evaluate the heat transfer characteristics in clothes and bedding (see Non-Patent Document 1).
Research has also been conducted on heat / moisture transfer characteristics that also take into account the evaporation of sweat, a method of using a sweating thermal manikin to simulate the state of sweating of the skin, a filter paper and a heating plate or a heating plate and a microporous membrane and sintering. A method has been proposed in which a board is laminated to form simulated sweating skin, and heat / moisture transfer characteristics including latent heat of vaporization are estimated from changes in the weight of the fabric and filter paper and changes in the amount of heat of the heater (Non-Patent Documents 2 and 3). 4, see Patent Documents 1 and 2).
However, since the latent heat transfer is about four times as effective as the sensible heat transfer (see Non-Patent Document 5), all of these techniques have insensitive steaming and sweating effects that are important for human homeostasis. It is only an indirect evaluation method such as estimating from the weight change such as the above and the heat amount of the heater.

また、衣服内や寝装内の、気流による熱移動の効果を可視化するために、垂直方向に立てたヒーターと透明なフィルム板の間に煙幕をためて微粒子の流体をデジタルカメラで観察する方法も提案されている（非特許文献６参照）。
しかしながら、かかる方法においては、不感蒸泄や発汗作用による水分移動については勘案されていないし、フィルムを生地と見立てるため、素材の吸湿性や透過性が無視されている。 In addition, in order to visualize the effect of heat transfer due to airflow in clothes and bedding, a method of observing fine particle fluid with a digital camera by placing a smoke screen between a vertical heater and a transparent film board is also proposed. (See Non-Patent Document 6).
However, in such a method, moisture transfer due to insensitive steaming or sweating is not taken into consideration, and the hygroscopicity and permeability of the material are ignored because the film is regarded as a fabric.

また、透明な媒質の中の、透明な媒体の移動については、屈折率が異なることを利用したシュリーレン装置、デジタルフォログラフィーを利用した位相差観察等によって、ガスの噴射、熱の移動、物質の溶解の状態なども可視化、観察方法が提案されているが、居住空間、衣服内、寝装内等、一般的な衣住環境に相当する温湿度において、僅かな水蒸気流を可視化することは現在不可能であるとされている。要するに、居住空間、衣服内、寝装内等、一般的な衣住環境において、水蒸気の吸収、透過、放出、滞留、蒸発等を可視化する技術は未だ確立されていない。 In addition, regarding the movement of transparent media in a transparent medium, gas injection, heat transfer, and substance transfer by means of a schlieren device using different refractive indices, phase difference observation using digital holography, etc. Visualization and observation methods have also been proposed for the state of dissolution, etc., but it is currently possible to visualize a slight water vapor flow in a temperature and humidity equivalent to a general clothing and living environment such as a living space, clothes, bedding, etc. It is considered impossible. In short, a technique for visualizing absorption, permeation, release, retention, evaporation, etc. of water vapor in a general clothing and living environment such as a living space, clothes, and bedding has not yet been established.

特許第３６３３５２５号公報Japanese Patent No. 3633525 特許第４５８２１３４号公報Japanese Patent No. 4582134

衣環境の科学建帛社ｐ３５−３９（２００４年１２月１２日）Science of clothing environment Kenshisha p35-39 (December 12, 2004) 衣環境の科学建帛社ｐ４３−４５（２００４年１２月１２日）Science of clothing environment Construction company p43-45 (December 12, 2004) 着ごこちと科学裳華房ｐ３６−３８（１９９６年５月２５日）Wearing comfort and science 裳華房 p36-38 (May 25, 1996) 繊学誌ｐ３５２−３５６Ｖｏｌ．５６Ｎｏ．１２（２０００）Physics Journal p352-356 Vol. 56 No. 12 (2000) 日本家政学誌ｐ１７６−１８６Ｖｏｌ．４８Ｎｏ．２（１９９７）Journal of Japanese Home Economics p176-186 Vol. 48 No. 2 (1997) Ｊ．Ｔｅｘｔ．Ｍａｃｈ．Ｓｏｃ．ＪａｐａｎＶｏｌ．５７Ｎｏ．４（２００４）J. et al. Text. Mach. Soc. Japan Vol. 57 No. 4 (2004) 光アライアンス２００８．７ｐ５０−５１Optical Alliance 2008.7 p50-51 衣環境の科学建帛社ｐ２２−２３（２００４年１２月１２日）Science of clothing environment Construction company p22-23 (December 12, 2004)

前記した従来技術の状況に鑑み、本発明が解決しようとする課題は、居住空間、衣服内、寝装内等、一般的な衣住環境において、肉眼では見えない会合水分子（水蒸気）の吸収、透過、放出、滞留、蒸発等の状態を可視化する方法を提供することである。 In view of the above-described state of the prior art, the problem to be solved by the present invention is to absorb associated water molecules (water vapor) that cannot be seen with the naked eye in a general clothing and living environment such as a living space, clothes, and bedding. It is to provide a method for visualizing the state of permeation, release, retention, evaporation and the like.

本発明者は、かかる課題を解決すべく鋭意検討し実験を重ねた結果、以下の条件により、肉眼では見えない会合水分子（水蒸気）の吸収、透過、放出、滞留又は蒸発状態を可視化することができることを見出し、本発明を完成するに至ったものである。
すなわち、本発明は以下の通りのものである。 As a result of intensive studies and experiments conducted to solve such problems, the present inventor visualizes the state of absorption, permeation, release, retention, or evaporation of associated water molecules (water vapor) that cannot be seen with the naked eye under the following conditions. As a result, the present invention has been completed.
That is, the present invention is as follows.

［１］クリーン度がクラス１００００以下、温度１０〜３０℃、及び相対湿度２０〜６０％の空気流の影響を避けた暗室内環境下で、緑色レーザー光又は青色レーザー光を繊維製品に照射して、該繊維製品から放出される又は該繊維製品に向けて吸収される肉眼では見えないサイズの会合水分子を、最低被写体照度０．１ｌｕｘ以上の感度を有する高感度ビデオカメラ及び最低被写体照度０．０００１ｌｕｘ以上の超高感度ビデオカメラからなる群から選ばれるビデオカメラを用いた散乱光観察により可視化する方法。 [1] Irradiate the fiber product with green laser light or blue laser light in a dark room environment avoiding the influence of airflow with a cleanness of class 10000 or less, temperature of 10 to 30 ° C., and relative humidity of 20 to 60%. Te, the association water molecules of a size not visible to the naked eye to be absorbed toward the being or the fiber products released from the textiles, high-sensitivity video camera and minimum illumination with a sensitivity of more than minimum illumination 0.1 lux Visualization method by observation of scattered light using a video camera selected from the group consisting of ultra-sensitive video cameras of 0.0001 lux or more .

［２］前記緑色レーザー光又は青色レーザー光は、波長域５３２ｎｍの緑色レーザー光、波長域が５３２ｎｍの厚み１ｍｍのシート状緑色レーザー光、及び波長域が４８８ｎｍの青色レーザー光からなる群から選ばれるいずれか１つである、前記［１］に記載の方法。 [2] The green laser beam or blue laser beam is selected from the group consisting of a green laser beam having a wavelength range of 532 nm, a sheet-like green laser beam having a wavelength range of 532 nm and a thickness of 1 mm, and a blue laser beam having a wavelength range of 488 nm. The method according to [1], which is any one of the above.

［３］前記肉眼では見えないサイズの会合水分子は、０．０５μｍ以上５０μｍ以下のサイズの会合水分子である、前記［１］又は［２］に記載の方法。 [3] The method according to [1] or [2], wherein the associated water molecule having a size invisible to the naked eye is an associated water molecule having a size of 0.05 μm or more and 50 μm or less.

本発明に係る方法は、肉眼では見えない会合水分子（水蒸気）の挙動を可視化することができるため、居住環境や衣環境の快適性研究において、特に人の体温調節反応に関与する空間の湿度変化や動き、繊維製品の吸湿、透過、放湿能力等を評価・解析するための手段として有効である。 Since the method according to the present invention can visualize the behavior of associated water molecules (water vapor) that cannot be seen with the naked eye, in the study of comfort in the living environment and clothing environment, the humidity of the space particularly involved in the body temperature regulation reaction. It is an effective means for evaluating and analyzing changes, movements, moisture absorption, permeation, and moisture release capacity of textile products.

以下、本発明の実施形態について詳細に説明する。
本発明は、青色〜緑色レーザー光、及びビデオカメラを用いた散乱光観察により、肉眼では見えないサイズの会合水分子を可視化する方法に関する。より詳しくは、本発明は、クリーン度がクラス１００００以下の室内、及び温度１０〜３０℃相対湿度２０〜６０％の環境下で、繊維製品から放出される又は該繊維製品に吸収される肉眼では見えないサイズの会合水分子を、該繊維製品の温度よりも高い温度の熱源を用いて実施する、青色〜緑色レーザー光、及びビデオカメラを用いた散乱光観察により、肉眼では見えないサイズの会合水分子を可視化する方法に関する。
前記したように、会合水分子は、サイズ数十μｍ以下であると肉眼では見えないと言われている。本発明に係る方法で可視化するに適した会合水分子のサイズは、０．０５μｍ以上５０μｍ以下である。 Hereinafter, embodiments of the present invention will be described in detail.
The present invention relates to a method for visualizing associated water molecules having a size invisible to the naked eye by observing scattered light using a blue to green laser light and a video camera. More specifically, the present invention is applied to a naked eye that is released from or absorbed by a textile product in a room having a cleanness of a class of 10000 or less and in an environment having a temperature of 10 to 30 ° C. and a relative humidity of 20 to 60%. Associating water molecules of an invisible size with a heat source having a temperature higher than the temperature of the textile product. By observing scattered light using a blue to green laser light and a video camera, the size of the water is not visible to the naked eye. The present invention relates to a method for visualizing water molecules.
As described above, it is said that the associated water molecules are invisible to the naked eye when the size is several tens of μm or less. The size of the associated water molecule suitable for visualization by the method according to the present invention is 0.05 μm or more and 50 μm or less.

会合水分子を可視化するためには、（会合した）水分子に光を照射し、その光の散乱を利用する。散乱光の強度は光の波長の４乗に反比例して大きくなるため、水分子の光の散乱には短い波長を有する光が適する。しかしながら、紫外線のような可視光領域よりも短い波長は、理論的には散乱は強いものの、観察者の生体、特に目への悪影響が懸念されるにも拘わらず、その光路や反射光が見えないため危険であり使用できない。従って、水分子を観察するためには、可視光であり且つ４００ｎｍ以上６００ｎｍ以下の青〜緑の光を用いることが好ましい。 In order to visualize the associated water molecules, the (associated) water molecules are irradiated with light and the scattering of the light is utilized. Since the intensity of scattered light increases in inverse proportion to the fourth power of the wavelength of light, light having a short wavelength is suitable for scattering of water molecules. However, although wavelengths that are shorter than the visible light region such as ultraviolet rays are theoretically strongly scattered, the optical path and reflected light can be seen in spite of fear of adverse effects on the observer's living body, especially the eyes. It is dangerous and cannot be used. Therefore, in order to observe water molecules, it is preferable to use blue to green light that is visible light and is 400 nm or more and 600 nm or less.

また、水分子を可視化するための光源としては、スペクトルがブロードな一般のランプや発光ダイオードではなく、更に波長域が狭く、コヒーレント性が高く、且つ集光でき高強度が得られるレーザーを用いる。青色〜緑色レーザー、例えば、アルゴンガスレーザーやＬＤ励起レーザー、中でも５００ｎｍ〜５５０ｎｍのグリーンレーザー、特にコンパクトで高強度が得られるグリーンＬＤレーザーが視認しやすいため、好ましい光源である。レーザー光源の中でも、グリーンレーザーは比視感度が高いことが知られている（非特許文献７）。
レーザーの出力は０．５Ｗ以上、より見えやすくするためには、１Ｗ以上５Ｗ以下まで高められることが好ましい。５Ｗを超えると取扱い性が危険である。レーザーの出力は、より好ましくは、１．５Ｗ以上２．５Ｗ以下である。 The light source for visualizing water molecules is not a general lamp or light-emitting diode having a broad spectrum, but a laser having a narrower wavelength range, high coherency, and capable of focusing and obtaining high intensity. A blue to green laser, for example, an argon gas laser or an LD excitation laser, particularly a green laser having a wavelength of 500 nm to 550 nm, particularly a green LD laser that is compact and obtains high intensity is easily visible, and thus is a preferable light source. Among laser light sources, a green laser is known to have high specific visibility (Non-patent Document 7).
In order to make the laser output 0.5 W or more and more easily visible, it is preferable to increase the laser output to 1 W or more and 5 W or less. If it exceeds 5 W, the handleability is dangerous. The output of the laser is more preferably 1.5 W or more and 2.5 W or less.

本発明に係る方法に使用するレーザー光としては、シート状に拡がるものを用いることが好ましい。厚みが０．３ｍｍ以上５ｍｍ以下に拡がるシート状の光であると、広い領域での水蒸気の様態を観察することができる。シートの角度は鉛直方向や水平方向など、観察者が任意に設定してよい。本発明に係る方法に使用するレーザー光は、好ましくは波長域が５３２ｎｍの厚み１ｍｍのシート状緑色レーザーである。 As the laser beam used in the method according to the present invention, it is preferable to use one that spreads in a sheet shape. When the sheet-like light has a thickness that extends from 0.3 mm to 5 mm, it is possible to observe the state of water vapor in a wide area. The angle of the sheet may be arbitrarily set by an observer such as a vertical direction or a horizontal direction. The laser beam used in the method according to the present invention is preferably a sheet-like green laser having a wavelength region of 532 nm and a thickness of 1 mm.

本発明に係る方法では、観察する環境は暗室内であることが好ましい。前記光源以外の光は用いず、また光源以外の光が観察領域に漏れ入ることがないよう、暗幕や黒い板等で覆い暗室とすることが好ましい。 In the method according to the present invention, the observation environment is preferably a darkroom. It is preferable not to use light other than the light source and to cover the dark area with a black curtain or a black plate so that light other than the light source does not leak into the observation area.

試料から放出される肉眼では見えないサイズの会合水分子を定量的に観察するためには、一般のビデオカメラではなく、より感度の高いカメラ、好ましくは超高感度カメラを用いる。使用するカメラの最低被写体照度は、小さい散乱でも見えやすくするために、小さければ小さいほどよいが、目安として１．５ルクスは必須で、肉眼では見えない会合水分子を可視化するためには、０．１ルクス以下であることが好ましく、０．０００１ルクス以下であることがより好ましい。 In order to quantitatively observe the associated water molecules emitted from the sample and invisible to the naked eye, a more sensitive camera, preferably an ultra-sensitive camera, is used instead of a general video camera. The minimum object illuminance of the camera to be used is preferably as small as possible so that it can be easily seen even with small scattering. However, 1.5 lux is essential as a guideline, and 0 is necessary to visualize associated water molecules that cannot be seen with the naked eye. 0.1 lux or less is preferable, and 0.0001 lux or less is more preferable.

本発明に係る方法では、会合水分子を視認しやすく且つ定量的に観察することができるように、観察する環境にはダストを持ち込まない又は予め除去しておくことが好ましい。このためには、へパフィルターを設置したクリーンユニット又はクリーンルーム内で観察することが好ましい。本発明に係る方法では、観察する室内環境のクリーンユニット又はクリーンルームのレベルは、好ましくはクラス１０,０００以下、より好ましくはクラス１，０００以下である。 In the method according to the present invention, it is preferable that dust is not brought into the observation environment or removed in advance so that the associated water molecules can be easily visually recognized and quantitatively observed. For this purpose, it is preferable to observe in a clean unit or a clean room in which a hepa filter is installed. In the method according to the present invention, the level of the clean unit or clean room in the indoor environment to be observed is preferably class 10,000 or less, more preferably class 1,000 or less.

会合水分子を視認しやすく且つ定量的に観察するためには、観察する対象に応じて、観察する環境の温湿度を調整することが好ましい。
居住環境や衣環境の快適性研究において、特に人の体温調節反応に関与する空間の湿度変化や動き、繊維製品の吸湿、透過、放湿能力等を評価するためには、観察する環境の温度は、好ましくは１０℃〜４０℃、より好ましくは１０℃〜３０℃、さらに好ましくは１０℃〜２５℃であり、観察する環境の相対湿度は、好ましくは２０％〜８０％、より好ましくは２０％〜６０％、さらに好ましくは２０％〜４０％である。この範囲であると、水分蒸発が速すぎることもなく、また、繊維製品の吸湿特性が反映されやすいためである。温湿度の調整には、観察環境の規模に従い、ヒーター、除湿器を組み合わせればよい。本発明に係る方法においては、繊維製品を加熱することにより、該繊維製品から放出される肉眼では見えないサイズの会合水分子を可視化することができ、また、該繊維製品に吸収される肉眼では見えないサイズの会合水分子を可視化することができる。 In order to observe the associated water molecules easily and quantitatively, it is preferable to adjust the temperature and humidity of the environment to be observed according to the object to be observed.
In the study of comfort in the living environment and clothing environment, in order to evaluate the humidity change and movement of the space involved in human body temperature regulation reaction, the moisture absorption, permeation, and moisture release capacity of textile products, the temperature of the environment to be observed Is preferably 10 ° C. to 40 ° C., more preferably 10 ° C. to 30 ° C., even more preferably 10 ° C. to 25 ° C., and the relative humidity of the observed environment is preferably 20% to 80%, more preferably 20%. % To 60%, more preferably 20% to 40%. This is because, within this range, moisture evaporation is not too fast, and the moisture absorption characteristics of the textile are easily reflected. The temperature and humidity can be adjusted by combining a heater and a dehumidifier according to the scale of the observation environment. In the method according to the present invention, by heating the fiber product, it is possible to visualize the associated water molecules having a size invisible to the naked eye, which is released from the fiber product, and for the naked eye to be absorbed by the fiber product. Invisible water molecules of invisible size can be visualized.

繊維製品、例えば、生地、中わた、わた／生地積層品、不織布、おむつや衛生用品等の、吸湿、透過、放湿特性が異なる繊維製品の定性・定量評価をするためには、不感蒸泄、汗の蒸散作用を模擬し、水分子を緩やかに蒸発させための装置、例えば、バット中の液体水を皮膚温や体温に近い３０℃〜４０℃に保つ装置、液体水で濡らした布、セロハン、ろ紙等を同じく３０℃〜４０℃に保つ装置等（この装置を、発汗モデルと定義する）を活用することができる。 In order to perform qualitative and quantitative evaluation of textile products such as fabrics, cotton, cotton / fabric laminates, non-woven fabrics, diapers and sanitary goods, which have different moisture absorption, permeation and moisture release properties, insensitive digestion , A device for simulating the transpiration of sweat and slowly evaporating water molecules, for example, a device for keeping liquid water in the vat at 30 ° C. to 40 ° C. close to skin temperature or body temperature, a cloth wet with liquid water, A device that keeps cellophane, filter paper, etc. at 30 ° C. to 40 ° C. (this device is defined as a sweat model) can be used.

発汗モデルにおいて、ろ紙を使う場合、１００ｃｍ^２のろ紙に付与する水量は２ｍｌ以上５ｍｌ以下であることが好ましい。なぜなら、この水量は、ろ紙表面温を４０℃に設定するためにヒーター温を５０℃に設定した場合、１０分以内で蒸発するが、１分〜２分間の吸湿・透過・放湿等の評価は安定して実施できるからである。付与水量を増加しても、蒸発しうる量は大きく変化しない。なお、ヒトの皮膚からの水分蒸発量は、暑熱下でも最大でも９０ｇ／ｍ^２・時であり、この有効発汗を換算すると３ｍｌ／１００ｃｍ^２・１０分となるため、１００ｃｍ^２のろ紙に付与する水量２ｍｌ以上５ｍｌ以下は、妥当な量といえる（非特許文献８）。これ以上の発汗は無効発汗として流れ落ちる。 In the sweat model, when using filter paper, the amount of water applied to 100 cm ² of filter paper is preferably 2 ml or more and 5 ml or less. This amount of water evaporates within 10 minutes when the heater temperature is set to 50 ° C. in order to set the filter paper surface temperature to 40 ° C., but evaluation of moisture absorption, permeation, moisture release, etc. for 1 to 2 minutes This is because it can be carried out stably. Even if the amount of applied water is increased, the amount that can be evaporated does not change significantly. The amount of water evaporated from human skin is 90 g / m ² · h at maximum even under heat, and this effective perspiration is converted to 3 ml / 100 cm ² · 10 minutes, so it is applied to 100 cm ² filter paper. An amount of water of 2 ml or more and 5 ml or less is a reasonable amount (Non-patent Document 8). Any further sweating will flow down as ineffective sweating.

発汗モデルに生地を使う場合は、その生地の目付、厚みによって付与する水分量を適宜調整してもよいが、目付の２００％以内であることが好ましい。
発汗モデルにおいて、水分子を緩やかに蒸発させている状態に、吸湿、透過、放湿能力が異なる生地、中わた、わた／生地積層品、不織布、おむつや衛生用品等の繊維製品を静かにかざす、あるいは、反対に、予め繊維製品を配置した状態で、緩やかに蒸発させた水分子を当てると、水蒸気の移動が生じるので、本発明に係る可視化方法によって、かかる水蒸気の移動、すなわち、気体状の会合した水分子の吸収、透過、放出、滞留、蒸発等の状態を観察することができる。 When a fabric is used for the sweating model, the amount of water to be applied may be adjusted as appropriate depending on the fabric weight and thickness of the fabric, but is preferably within 200% of the fabric weight.
In a sweating model, gently hold fabrics such as fabrics, cotton, cotton / fabric laminates, non-woven fabrics, diapers and sanitary goods that have different moisture absorption, permeation and moisture release capacity while water molecules are slowly evaporated. Or, conversely, when a water molecule that has been gently evaporated is applied in a state where the fiber product has been arranged in advance, the movement of water vapor occurs. Therefore, according to the visualization method according to the present invention, the movement of water vapor, that is, gaseous state It is possible to observe the state of absorption, permeation, release, retention, evaporation, etc. of water molecules associated with each other.

繊維製品における水蒸気の吸収、透過、放出、蒸発を定性又は定量的に評価するために本発明に係る方法を使用する場合、観察する外環境の相対湿度は７０％以下、より好ましくは６０％以下にすることが好ましい。７０％を超えると、発汗モデルから周辺環境へ、水分子が移動しにくくなるため、素材特性が反映されにくい。滞留をみる場合は、この限りではない。 When using the method according to the present invention to qualitatively or quantitatively evaluate the absorption, permeation, release, and evaporation of water vapor in a textile product, the relative humidity of the observed external environment is 70% or less, more preferably 60% or less. It is preferable to make it. If it exceeds 70%, it becomes difficult for water molecules to move from the perspiration model to the surrounding environment, so that the material characteristics are hardly reflected. This is not the case when looking at retention.

繊維製品の素材特性を評価する際や、繊維製品の水分子吸収、透過、放湿様態を観察する場合には、繊維製品と発汗モデルの距離を０．５ｃｍ〜５．０ｃｍ、より好ましくは０．５ｃｍ〜３．０ｃｍに離すことが好ましく、更に２．０ｃｍであるとコントラストが付きやすいため観察しやすい。水分子の透過、放湿を観察したい場合、つまり繊維製品の上方を観察する場合は、繊維製品と発汗モデルは０．５ｃｍ以下に近づけると、繊維製品と発汗モデル間の対流が起きにくいため観察しやすい。水分子の蒸発を観察したい場合には、発汗モデルと接触させてもよいし、繊維製品に予め一定水分を付与しておき、３０℃〜５０℃の乾熱ヒーターと接触させるのでもよい。
更に、ヒーター及び発汗モデルが、サーマルマネキンや、特許文献１に記載される発汗人体模型型装置のように立体的であれば、より実着用に近い評価ができるため、好ましい。 When evaluating the material properties of a textile product, or when observing the water molecule absorption, permeation, and moisture release state of the textile product, the distance between the textile product and the sweat model is 0.5 cm to 5.0 cm, more preferably 0. It is preferable that the distance is 5 cm to 3.0 cm, and if it is 2.0 cm, it is easy to observe because the contrast is easily obtained. If you want to observe the permeation and moisture release of water molecules, that is, if you want to observe the upper part of the textile product, if the textile product and the sweat model are close to 0.5 cm or less, the convection between the textile product and the sweat model is less likely to occur. It's easy to do. When it is desired to observe the evaporation of water molecules, it may be brought into contact with a sweating model, or a predetermined moisture may be given to the textile product in advance and brought into contact with a dry heat heater at 30 ° C. to 50 ° C.
Furthermore, if the heater and the sweating model are three-dimensional like the thermal mannequin or the sweating human body model type device described in Patent Document 1, it is preferable because evaluation close to actual wearing can be performed.

以下、本発明に係る方法を実施する際の光源種、カメラ種、環境（明るさ、クリーン特性、温度、湿度）の組み合わせ、及び発汗モデルの最適な使用方法を、具体的に説明する。 Hereinafter, a combination of a light source type, a camera type, an environment (brightness, clean characteristics, temperature, and humidity) and an optimal method for using a sweating model when carrying out the method according to the present invention will be specifically described.

［実施例１］
チャンバー内を、暗幕で覆い、外部からの入光と光の反射を遮った約２０ｍ^３の観察室を設置した。この室内は、予めヒーターと加湿器によって２０℃２０％ＲＨに、更にヘパフィルターを用いてクラス１００００のクリーン度に調整しておいた。室内中央に４００ｃｍ^２の、５０℃均一に熱した温熱ヒーターを用意し、その上に定性ろ紙（ＡＤＶＡＮＴＥＣ社製Ｎｏ．２）を置き、４ｍｌ／１００ｃｍ^２の量で蒸留水を与えて、緩やかな蒸発環境を作った。ただし、観察を開始する前に、空調は電源をＯＦＦし空気流の影響を避けた。 [Example 1]
The chamber was covered with a dark screen, and an observation room of about 20 m ³ was set up that blocked the incident light from outside and the reflection of light. This room was previously adjusted to 20 ° C. and 20% RH with a heater and a humidifier, and further adjusted to a class 10000 clean level using a hepa filter. Prepare a 400 cm ² heated heater uniformly heated at 50 ° C in the center of the room, place a qualitative filter paper (No. 2 made by ADVANTEC) on it, give distilled water in an amount of 4 ml / 100 cm ² , and gently Made an evaporation environment. However, before starting the observation, the air conditioning was turned off to avoid the influence of airflow.

このヒーター上に下記の光源種を照射し、また、下記のカメラ種を用いて、散乱光を観察することにより、肉眼では見えない水分子の動きが可視化できるかについて検討した。画像は最高画質で１分間録画保存し、解析を行った。なお、下記光源種４のみ、光がシート状に拡がるものであった。なお、シート面は、鉛直方向とした。
［光源種］
（光源１）波長域が４１０〜５３０、ピークが４７０ｎｍの青色発光ダイオード
（光源２）波長域が４５０〜６００、ピークが５２５ｎｍの緑色発光ダイオード
（光源３）波長域が５３２ｎｍの緑色レーザー
（光源４）波長域が５３２ｎｍの厚み１ｍｍのシート状緑色レーザー
（光源５）波長域が４８８ｎｍの青色レーザー
（光源６）波長域が１０６４ｎｍの赤外レーザー
（光源７）波長域が６３３ｎｍの赤色レーザー
（光源８）波長域が３５０〜８００ｎｍとブロードな蛍光灯
（光源９）波長域が３５０〜８４０ｎｍ、ピーク５６０ｎｍ〜６６０ｎｍとブロードな白熱球 The following light source species were irradiated on this heater, and the following camera species were used to observe the scattered light to examine whether water molecules invisible to the naked eye can be visualized. The images were recorded and saved for 1 minute at the highest image quality and analyzed. In addition, only the following light source type 4 spreads light in a sheet form. The sheet surface was set in the vertical direction.
[Light source type]
(Light source 1) Blue light emitting diode having a wavelength range of 410 to 530 and a peak of 470 nm (Light source 2) Green light emitting diode having a wavelength range of 450 to 600 and a peak of 525 nm (Light source 3) Green laser having a wavelength range of 532 nm (Light source 4 ) Sheet-like green laser with a wavelength of 532 nm and a thickness of 1 mm (light source 5) Blue laser with a wavelength of 488 nm (light source 6) Infrared laser with a wavelength of 1064 nm (light source 7) Red laser with a wavelength of 633 nm (light source 8) ) Broad fluorescent lamp with a wavelength range of 350 to 800 nm (light source 9) Broad incandescent bulb with a wavelength range of 350 to 840 nm and a peak of 560 nm to 660 nm

［カメラ種］
（カメラ１）最低被写体照度が０．０００１ｌｕｘの超高感度ビデオカメラ
（カメラ２）最低被写体照度が０．１ｌｕｘの高感度ビデオカメラ
（カメラ３）最低被写体照度が１．５ｌｕｘのビデオカメラ [Camera type]
(Camera 1) Ultra-high sensitivity video camera with minimum subject illumination of 0.0001 lux (Camera 2) High-sensitivity video camera with minimum subject illumination of 0.1 lux (Camera 3) Video camera with minimum subject illumination of 1.5 lux

最もはっきり見えたものから順に、以下の評価基準で５段階に評価した。
５：最もよく見えた
４：よく見えた
３：あまり見えなかった
２：ほとんど見えなかった
１：全く見えなかった
これらの結果を以下の表１に示す。 In order from the one that was most clearly visible, the following evaluation criteria were used for the five-level evaluation.
5: looked best 4: looked well 3: not seen very much 2: hardly seen 1: not seen at all These results are shown in Table 1 below.

光源３、光源４、光源５と、カメラ１、カメラ２との組み合わせのみ、水分子の蒸発様態が可視化することができた。それ以外はあまり見えないことがわかった。
最も鮮明に、且つ５μｍ以下の水分子をとらえられたのは、光源４とカメラ１の組み合わせであった。 Only the combination of the light source 3, the light source 4, the light source 5, the camera 1, and the camera 2 could visualize the evaporation state of water molecules. Other than that, I found that I couldn't see much.
It was the combination of the light source 4 and the camera 1 that captured water molecules of 5 μm or less most clearly.

［実施例２］
次に、観察に適した環境について説明する。
チャンバー内を、暗幕で覆い、外部からの入光と光の反射を遮った約２０ｍ^３の観察室（暗室）を用意した。この暗室内を、ヒーターと加湿器によって予め２０℃２０％ＲＨに調整し、更に各種ヘパフィルターを用いてクリーン度について下記のクリーン条件に変更した。室内中央に４００ｃｍ^２の、５０℃均一に熱した温熱ヒーターを用意し、その上に定性ろ紙（ＡＤＶＡＮＴＥＣ社製Ｎｏ．２）を置き、４ｍｌ／１００ｃｍ^２の量で蒸留水を与えて、緩やかな蒸発環境を作った。ただし、観察を開始する前に、空調は電源をＯＦＦし空気流の影響を避けた。 [Example 2]
Next, an environment suitable for observation will be described.
An observation room (dark room) of about 20 m ³ was prepared in which the inside of the chamber was covered with a dark screen to block light incident from outside and reflection of light. This dark room was adjusted in advance to 20 ° C. and 20% RH with a heater and a humidifier, and the cleanness was changed to the following clean condition using various hepa filters. Prepare a 400 cm ² heated heater uniformly heated at 50 ° C in the center of the room, place a qualitative filter paper (No. 2 made by ADVANTEC) on it, give distilled water in an amount of 4 ml / 100 cm ² , and gently Made an evaporation environment. However, before starting the observation, the air conditioning was turned off to avoid the influence of airflow.

［クリーン条件］
（１）クラス１０００
（２）クラス１００００
（３）クラス５００００
（４）未制御 [Clean condition]
(1) Class 1000
(2) Class 10,000
(3) Class 50000
(4) Uncontrolled

このヒーター上に（光源４）をかざし、（カメラ１）にて、肉眼では見えない水分子の動きが可視化できるかについて検討した。画像は最高画質で１分間録画保存し、解析を行った。
最もよく見えたものから順に、以下の評価基準で５段階に評価した。結果を表２に示す。
５：ダストが全く見えず、水分子が大変よく見えた
４：ダストがほとんど見えず、水分子が大変よく見えた
３：ダストがあまり見えず、水分子がなんとか見えた
２：ダストが多く、水分子と区別がつきにくかった
１：ダストが多すぎ、水分子かどうか全く区別がつかなかった (Light source 4) was held over this heater, and it was examined whether or not the movement of water molecules invisible to the naked eye can be visualized with (Camera 1). The images were recorded and saved for 1 minute at the highest image quality and analyzed.
In order from the most visible ones, the following evaluation criteria were used for the five-level evaluation. The results are shown in Table 2.
5: Dust was not seen at all, and water molecules were seen very well 4: Dust was hardly seen, water molecules were seen very well 3: Dust was not seen much, and water molecules were managed somehow 2: There was a lot of dust, Difficult to distinguish from water molecules 1: Too much dust and no distinction between water molecules

クリーン条件（１）と（２）のみ，水分子の蒸発様態がよく観察することができた。それ以外は適しないことがわかった。 Only under clean conditions (1) and (2), the evaporation mode of water molecules could be observed well. It turned out that it is not suitable otherwise.

［実施例３］
次に、観察に適した温湿度条件について説明する。
チャンバー内を、暗幕で覆い、外部からの入光と光の反射を遮った約２０ｍ^３の観察室（暗室）を設置した。暗室内は、ヘパフィルターを用い、予めクリーン度を１０００に設定した。室内中央に４００ｃｍ^２の、５０℃均一に熱した温熱ヒーターを用意し、その上に定性ろ紙（ＡＤＶＡＮＴＥＣ社製Ｎｏ．２）を置き、４ｍｌ／１００ｃｍ^２の量で蒸留水を与えて、緩やかな蒸発環境を作った。ただし、観察を開始する前に、空調は電源をＯＦＦし空気流の影響を避けた。 [Example 3]
Next, temperature and humidity conditions suitable for observation will be described.
The chamber was covered with a dark screen, and an observation room (dark room) of about 20 m ³ was set up that blocked incoming light from outside and reflection of light. In the dark room, a hepa filter was used, and the cleanness was set to 1000 in advance. Prepare a 400 cm ² heated heater uniformly heated at 50 ° C in the center of the room, place a qualitative filter paper (No. 2 made by ADVANTEC) on it, give distilled water in an amount of 4 ml / 100 cm ² , and gently Made an evaporation environment. However, before starting the observation, the air conditioning was turned off to avoid the influence of airflow.

このヒーター上に（光源４）と（カメラ１）で、下記温湿度条件下で肉眼では見えない水分子の動きが可視化できるかについて検討した。画像は最高画質で１分間録画保存し、解析を行った。 It was examined whether or not the movement of water molecules that cannot be seen with the naked eye can be visualized under the following temperature and humidity conditions with (light source 4) and (camera 1) on this heater. The images were recorded and saved for 1 minute at the highest image quality and analyzed.

［温度条件］
（温度条件１）１０℃
（温度条件２）２０℃
（温度条件３）２５℃
（温度条件４）３０℃
（温度条件５）３５℃ [Temperature conditions]
(Temperature condition 1) 10 ° C
(Temperature condition 2) 20 ° C
(Temperature condition 3) 25 ° C
(Temperature condition 4) 30 ° C
(Temperature condition 5) 35 ° C

［相対湿度条件］
（湿度条件１）２０％
（湿度条件２）４０％
（湿度条件３）６０％
（湿度条件４）８０％
（湿度条件５）９０％ [Relative humidity condition]
(Humidity condition 1) 20%
(Humidity condition 2) 40%
(Humidity condition 3) 60%
(Humidity condition 4) 80%
(Humidity condition 5) 90%

最もよく見えたものから順に、以下の評価基準で５段階に評価した。結果を表３に示す。
５：水分子が大変よく見えた
４：水分子が見えた
３：水分子がなんとか見えた
２：水分子がほとんど見えなかった
１：水分子が全く見えなかった In order from the most visible ones, the following evaluation criteria were used for the five-level evaluation. The results are shown in Table 3.
5: The water molecule was seen very well 4: The water molecule was seen 3: The water molecule was managed somehow 2: The water molecule was hardly seen 1: The water molecule was not seen at all

（温度条件１、２、３、４）と（湿度条件１、２、３）との組み合わせで蒸発状態が観察できた。ただし、１０℃×２０％ＲＨの環境は、チャンバーの能力限界外のため、設定できなかった。
緩やかな蒸発環境を作るために好ましいヒーター温度−環境温度の差は、少なくとも２０℃であることがわかった。 The evaporation state could be observed by a combination of (temperature conditions 1, 2, 3, 4) and (humidity conditions 1, 2, 3). However, the environment of 10 ° C. × 20% RH could not be set because it was outside the capacity limit of the chamber.
It has been found that the preferred heater temperature-environment temperature difference to create a mild evaporation environment is at least 20 ° C.

［実施例４］
次に、繊維製品の吸湿、透過、放湿特性を定性・定量評価をするための発汗モデルについて具体例を説明する。
チャンバー内を、暗幕で覆い、外部からの入光と光の反射を遮った約２０ｍ^３の観察室（暗室）で行った。暗室内は、ヒーターと加湿器によって予め２０℃２０％ＲＨに、更にヘパフィルターを用いてクラス１０００のクリーン度に調整し、（光源４）と（カメラ１）を用いて実験を行った。 [Example 4]
Next, a specific example of a sweating model for qualitative and quantitative evaluation of moisture absorption, permeation and moisture release characteristics of a textile product will be described.
The inside of the chamber was covered with a dark screen, and the observation was performed in an observation room (dark room) of about 20 m ³ that blocked light incident from outside and reflection of light. The dark room was preliminarily adjusted to 20 ° C. and 20% RH with a heater and a humidifier, and further adjusted to a cleanness of class 1000 using a hepa filter, and experiments were performed using (Light Source 4) and (Camera 1).

下記発汗モデル１〜８を以下のように作製した。
（モデル１〜４）２０ｃｍ×２０ｃｍ、深さ７ｃｍのステンレスバスに水又は湯を５ｃｍまで注ぎ、水温はそれぞれの条件にて一定にし、１時間放置した。
（モデル５〜８）２０ｃｍ×２０ｃｍ、厚み５ｃｍの電熱ヒーター（天板は、熱伝導性のよい銅板を使用）に、定性ろ紙をおき（ＡＤＶＡＮＮＴＥＣ社製Ｎｏ．２）を置き、４ｍｌ／１００ｃｍ^２の量で蒸留水を与えて、緩やかな蒸発環境を作った。ヒーター温はそれぞれの条件にて一定にした。 The following sweat models 1 to 8 were prepared as follows.
(Models 1 to 4) Water or hot water was poured into a 20 cm × 20 cm, 7 cm deep stainless steel bath up to 5 cm, and the water temperature was kept constant for each condition and left for 1 hour.
(Models 5 to 8) Place a qualitative filter paper (No. 2 manufactured by ADVANTENT Co.) on an electric heater (20cm x 20cm, 5cm thick) (a copper plate with good thermal conductivity is used for the top plate), and 4ml / 100cm ² Distilled water was given in the amount of to create a gentle evaporation environment. The heater temperature was constant under each condition.

［発汗モデル］
（モデル１）４０℃に保った水を入れたバット
（モデル２）３７℃に保った水を入れたバット
（モデル３）３０℃に保った水を入れたバット
（モデル４）２５℃に保った水を入れたバット
（モデル５）４ｍｌ／１００ｃｍ^２の水分を付与したろ紙の表面温を４０℃にするために５０℃に設定したヒーター
（モデル６）４ｍｌ／１００ｃｍ^２の水分を付与したろ紙の表面温を３５℃にするために４５℃に設定したヒーター
（モデル７）４ｍｌ／１００ｃｍ^２の水分を付与したろ紙の表面温を３０℃にするために４０℃に設定したヒーター
（モデル８）４ｍｌ／１００ｃｍ^２の水分を付与したろ紙の表面温を２５℃にするために３５℃に設定したヒーター [Sweating model]
(Model 1) Vat with water kept at 40 ° C (Model 2) Vat with water kept at 37 ° C (Model 3) Vat with water kept at 30 ° C (Model 4) Keep at 25 ° C water was placed bat (model 5) 4 ml / 100 cm ² of the heater set at 50 ° C. the surface temperature of the filter paper imparted with water to the 40 ° C. (model 6) filter paper imparted with water 4 ml / 100 cm ² Heater set to 45 ° C. to bring the surface temperature of water (model 7) Heater set to 40 ° C. to bring the surface temperature of the filter paper to which water of 4 ml / 100 cm ² was applied to 30 ° C. (model 8) Heater set to 35 ° C. to bring the surface temperature of the filter paper to which water of 4 ml / 100 cm ² was applied to 25 ° C.

これらの熱源に、厚み０．３ｍｍ、２５ｃｍ×２５ｃｍのアクリル板に、２０ｃｍ×２０ｃｍの穴をあけてできた生地枠に、日本規格協会の標準添付布をたるみが無いように貼り、上記の発汗モデルに上方から静かにかざし、肉眼では見えない水分子の吸収、透過、放湿の様子が可視化できるかについて（光源４）（カメラ１）を用いて検討を行った。画像は最高画質で１分間録画保存し、解析を行った。ただし、観察を開始する前に、空調は電源をＯＦＦし空気流の影響を避けた。生地と発汗モデル面の距離は２ｃｍとした。
標準添付布として、吸湿性が高い（公定水分率１１％）キュプラ、吸湿性が低いポリエステル（同０．４％）を用いた。吸収・透過、吸収・透過せず滞留する水分子が、よく区別できたものから順に、以下の評価基準で５段階に評価した。結果を以下の表４に示す。 Affixed to the fabric frame made by drilling a 20cm x 20cm hole on an acrylic plate with a thickness of 0.3mm and 25cm x 25cm on these heat sources, the standard attachment cloth of the Japanese Standards Association is attached without sagging, and the above sweating The model was examined by using (Light source 4) (Camera 1) whether it was possible to visualize the absorption, permeation, and moisture release of water molecules that were gently held over the model from above. The images were recorded and saved for 1 minute at the highest image quality and analyzed. However, before starting the observation, the air conditioning was turned off to avoid the influence of airflow. The distance between the fabric and the sweat model surface was 2 cm.
As standard attached fabric, cupra having high hygroscopicity (official moisture content 11%) and polyester having low hygroscopicity (0.4%) were used. Absorption / permeation, and water molecules staying without absorption / permeation were evaluated in five stages according to the following evaluation criteria in order from those that could be well distinguished. The results are shown in Table 4 below.

５：水分子の吸収・透過、滞留が大変よく見えた
４：水分子の吸収・透過、滞留が見えた
３：水分子の吸収・透過、滞留がなんとか見えた
２：水分子の吸収・透過、滞留がほとんど見えなかった
１：水分子の吸収・透過、滞留が全く見えなかった 5: Absorption, permeation, and retention of water molecules looked very good 4: Absorption, permeation, and retention of water molecules seemed to 3: Absorption, permeation, and retention of water molecules seemed to be managed 2: Absorption / permeation of water molecules , Almost no retention was seen 1: Absorption / permeation of water molecules, no retention was seen at all

（モデル１〜２）と（モデル５〜７）が適していた。つまり、素材の吸湿特性差を明確することができた。また、標準添付布を静かにかざしてから２０秒後の、標準添付布と発汗モデル面間の空間温湿度を、温湿度センサーにて測定したところ、キュプラが２８℃６０％ＲＨ、ポリエステルが３０℃９５％ＲＨであり、可視化した観察結果と一致していた。 (Models 1-2) and (Models 5-7) were suitable. In other words, the difference in moisture absorption characteristics of the materials could be clarified. Further, when the temperature and humidity between the standard attached fabric and the sweat model surface 20 seconds after the standard attached fabric was gently held over were measured with a temperature / humidity sensor, the cupra was 28 ° C. and 60% RH, and the polyester was 30. The temperature was 95% RH, which was consistent with the visualized observation result.

繊維製品と発汗モデル面の距離を０．５ｃｍより近づけた場合、観察域が小さすぎて見えにくかった。また５．０ｃｍより離して観察したが、対流が起きるためか、吸湿が見えにくくなった。繊維製品と発汗モデル面の距離は、１．０ｃｍ以上２．０ｃｍ以下が最も観察しやすかった。 When the distance between the textile product and the sweat model surface was closer than 0.5 cm, the observation area was too small to be seen. Moreover, although it observed from 5.0 cm away, moisture absorption became difficult to see because of the convection. The distance between the textile product and the sweat model surface was most easily observed when it was 1.0 cm or more and 2.0 cm or less.

［実施例５］
繊維製品の蒸発特性を定性・定量評価をするための他の発汗モデルについて具体例を説明する。チャンバー内を、暗幕で覆い、外部からの入光と光の反射を遮った約２０ｍ^３の観察室（暗室）で行った。暗室内は、ヒーターと加湿器によって予め２０℃２０％ＲＨに、更にヘパフィルターを用いてクラス１０００のクリーン度に調整し、（光源４）と（カメラ１）を用いて実験を行った。
表面温を４０℃に設定したヒーターを用意した。予め重量を１５０％に調整した繊維製品である標準添付布を枠にたるみが無いように貼り、上記のヒーターに上方から静かに近づけ、生地と発汗モデル面の距離、すなわち、ヒーターとの距離を以下のように変えて、肉眼では見えない、繊維製品からの水分子蒸発の様子が可視化できるかについて（光源４）（カメラ１）を用いて検討を行った。画像は最高画質で１分間録画保存し、解析を行った。ただし、観察を開始する前に、空調は電源をＯＦＦし空気流の影響を避けた。前述の標準添付布、中でも速乾性が低い綿（公定水分率８．５％）、速乾性が低いポリエステル（同０．４％）を用いた。蒸発する水分子が、よく見えたものから順に、以下の評価基準で５段階に評価した。結果を以下の表５に示す。 [Example 5]
Specific examples of other sweating models for qualitative and quantitative evaluation of the evaporation characteristics of textile products will be described. The inside of the chamber was covered with a dark screen, and the observation was performed in an observation room (dark room) of about 20 m ³ that blocked light incident from outside and reflection of light. The dark room was preliminarily adjusted to 20 ° C. and 20% RH with a heater and a humidifier, and further adjusted to a cleanness of class 1000 using a hepa filter, and experiments were performed using (Light Source 4) and (Camera 1).
A heater having a surface temperature set to 40 ° C. was prepared. Paste the standard attached cloth, which is a textile product whose weight has been adjusted to 150% in advance, so that there is no slack in the frame, and gently approach the heater from above, and set the distance between the fabric and the sweat model surface, that is, the distance from the heater. The following changes were made using the light source 4 (camera 1) to examine whether water molecules evaporate from the textile product, which cannot be seen with the naked eye. The images were recorded and saved for 1 minute at the highest image quality and analyzed. However, before starting the observation, the air conditioning was turned off to avoid the influence of airflow. The above-mentioned standard attached cloth was used, especially cotton with low quick-drying (official moisture content 8.5%) and polyester with low quick-drying (0.4%). The water molecules that evaporate were evaluated in five stages according to the following evaluation criteria in order from the ones that were clearly visible. The results are shown in Table 5 below.

［ヒーターとの距離］
（距離１）繊維製品とヒーターの距離０ｃｍ
（距離２）繊維製品とヒーターの距離０．５ｃｍ
（距離３）繊維製品とヒーターの距離１．０ｃｍ [Distance to heater]
(Distance 1) Distance between textile products and heater 0cm
(Distance 2) Distance between textile products and heater 0.5cm
(Distance 3) Distance between textile products and heater 1.0cm

５：水分子の蒸発が大変よく見えた
４：水分子の蒸発が見えた
３：水分子の蒸発がなんとか見えた
２：水分子の蒸発がほとんど見えなかった
１：水分子の蒸発が全く見えなかった 5: Evaporation of water molecules was seen very well 4: Evaporation of water molecules was seen 3: Evaporation of water molecules was somehow seen 2: Evaporation of water molecules was hardly seen 1: Evaporation of water molecules was seen at all Didn't exist

（距離１）のように、熱源と接触させると、繊維製品（素材）の乾燥速度差を明確することができた。
また、標準添付布の重量を水分で１５０％に調整したものの乾燥速度を測定したが、綿標準添付布が８．２分、ポリエステル標準添付布が２．２分となり、可視化した観察結果を一致していた。 As shown in (Distance 1), when it was brought into contact with a heat source, the difference in drying speed of the textile product (material) could be clarified.
The drying speed of the standard attached cloth was adjusted to 150% with moisture, and the drying rate was measured. The cotton standard attached cloth was 8.2 minutes and the polyester standard attached cloth was 2.2 minutes. I did it.

本発明に係る方法は、肉眼では見えない会合水分子（水蒸気）の挙動を可視化することができるため、居住環境や衣環境の快適性研究において、特に人の体温調節反応に関与する空間の湿度変化や動き、繊維製品の吸湿・透過・放湿能力等を評価・解析するための手段として好適に利用可能である。 Since the method according to the present invention can visualize the behavior of associated water molecules (water vapor) that cannot be seen with the naked eye, in the study of comfort in the living environment and clothing environment, the humidity of the space particularly involved in the body temperature regulation reaction. It can be suitably used as a means for evaluating and analyzing changes, movements, moisture absorption / permeation / moisture release ability, etc. of textile products.

Claims

In a dark room environment with a clean degree of 10000 or less, a temperature of 10 to 30 ° C., and a relative humidity of 20 to 60%, the fiber product is irradiated with green laser light or blue laser light and emitted from the fiber product. Or an associated water molecule having a size of 0.05 μm or more and 50 μm or less that is absorbed by the textile product and is not visible to the naked eye, a high-sensitivity video camera having a sensitivity of a minimum subject illuminance of 0.1 lux or more and a minimum subject illuminance of 0.0001 A method of visualization by observation of scattered light using a video camera selected from the group consisting of ultra-sensitive video cameras of lux or higher .

The green laser beam or the blue laser beam is any one selected from the group consisting of a green laser beam having a wavelength region of 532 nm, a sheet-like green laser beam having a wavelength region of 532 nm and a thickness of 1 mm, and a blue laser beam having a wavelength region of 488 nm. The method of claim 1, wherein

The method according to claim 1, wherein the associated water molecules having a size invisible to the naked eye are associated water molecules having a size of 0.05 μm or more and 50 μm or less.