JPS6234962Y2 - - Google Patents
Info
- Publication number
- JPS6234962Y2 JPS6234962Y2 JP11423877U JP11423877U JPS6234962Y2 JP S6234962 Y2 JPS6234962 Y2 JP S6234962Y2 JP 11423877 U JP11423877 U JP 11423877U JP 11423877 U JP11423877 U JP 11423877U JP S6234962 Y2 JPS6234962 Y2 JP S6234962Y2
- Authority
- JP
- Japan
- Prior art keywords
- water
- impermeable membrane
- hydrophilic layer
- coat
- liquid substance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- 239000012528 membrane Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 230000002209 hydrophobic effect Effects 0.000 claims description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 229920003051 synthetic elastomer Polymers 0.000 claims description 4
- 239000005061 synthetic rubber Substances 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- -1 polyethylene, ethylene-vinyl acetate Polymers 0.000 claims 1
- 239000000428 dust Substances 0.000 description 9
- 238000005406 washing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920001600 hydrophobic polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000012857 radioactive material Substances 0.000 description 2
- 239000000941 radioactive substance Substances 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229910000498 pewter Inorganic materials 0.000 description 1
- 239000010957 pewter Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000718 radiation-protective agent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、水洗により放射能物質の塵等の表面
付着物が容易に流去しうる親水性層を繰り返して
形成する作業用合羽に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a work coat that repeatedly forms a hydrophilic layer from which surface deposits such as radioactive substance dust can be easily washed away by washing with water.
従来、作業用合羽は、その使用目的からして基
布上面にゴム又はプラスチツクの被膜を形成せし
めて撥水性及び又は防水性にしたものである。こ
のような合羽の表面は、撥水性又は疎水性である
ので、この表面に水滴が落下しても、その表面は
水で均一に湿潤されることがなく、水玉を形成し
てそのままふり切られるか又は篠状に表面を流下
するのが通常である。
Conventionally, work coats have been made water repellent and/or waterproof by forming a rubber or plastic coating on the upper surface of the base fabric, in view of the purpose of use. The surface of such a coat is water-repellent or hydrophobic, so even if a drop of water falls on this surface, the surface will not be uniformly wetted with water, but will form droplets and be shaken off as is. Usually, the water flows down the surface in a straight line.
近時原子力発電所等における作業者が着用する
合羽は一種の防護服的機能を具備するものであつ
て、作業終了後にその合羽を着用のままシヤワー
で水洗し、そののち、ガイガーカウンター等で放
射能残留汚染がないことを確認したうえで、当該
合羽をぬぎ他の衣服に着替えられている。 The coats worn by workers at nuclear power plants these days have the function of a kind of protective clothing, and after finishing work, the coats are washed with water in the shower while still wearing them, and then radiated using a Geiger counter, etc. After confirming that there was no residual contamination, the person removed the coat and changed into other clothing.
しかし、実際に放射能塵が付着した合羽を水洗
しても、前述のように合羽表面が水洗により均一
に洗浄されないので、放射能塵が完全に除去され
ていないことがあり、このことが安全確保の見地
から早急に解決を要する問題となつていた。尤
も、このような場合であつても、付着する塵は僅
く細かい粒子であり、しかもごく微量ではある。
しかし、付着物の性質上、付着物が完全に除去さ
れねばならないことは言うまでもなく、これがた
めの万全の対策が要望されていた。 However, even if the raincoat with radioactive dust attached to it is actually washed with water, the surface of the raincoat is not evenly cleaned as mentioned above, so the radioactive dust may not be completely removed, which makes it safe. From a security perspective, this was an issue that needed to be resolved immediately. However, even in such a case, the adhering dust is only very fine particles, and the amount is extremely small.
However, due to the nature of the deposits, it goes without saying that the deposits must be completely removed, and there has been a demand for thorough measures for this purpose.
本考案の目的は、付着する放射能がたとえ極く
少量であつても、必ず、流去しうるように、従来
の不通気性、疎水性膜の表面に継続的に親水性層
を形成せしめ、洗滌の効果を著しく向上させ、洗
滌後合羽表面に残留する放射能を絶無にすること
のできる作業用合羽を提供することにある。
The purpose of this invention is to continuously form a hydrophilic layer on the surface of a conventional impermeable, hydrophobic membrane so that even a very small amount of radioactivity adheres to the membrane can be washed away. An object of the present invention is to provide a work coat that can significantly improve the cleaning effect and eliminate radioactivity remaining on the surface of the coat after washing.
本考案の作業用合羽は、基布と、その少なくと
も１面に形成された不通気性膜とを有し、前記不
通気性膜が疎水性合成樹脂又はゴムとその中に混
練された水溶性非蒸発性液状物質との混合物から
なり、前記水溶性非蒸発性液状物質がエチレング
リコールおよびグリセリンから選ばれた少なくと
も１種からなり、その一部が前記不通気性膜中か
らその表面上に滲出して親水性層を形成するもの
であることを特徴とするものである。
The work coat of the present invention has a base fabric and an impermeable film formed on at least one surface thereof, and the impermeable film is made of a hydrophobic synthetic resin or rubber and a water-soluble material kneaded therein. The water-soluble non-evaporable liquid substance is composed of at least one selected from ethylene glycol and glycerin, and a part of the water-soluble non-evaporable liquid substance oozes out from the impermeable membrane onto the surface thereof. It is characterized in that it forms a hydrophilic layer.
以下実施例に基づいて図面を参照して本考案を
説明する。 The present invention will be described below based on embodiments and with reference to the drawings.
第１図は本考案に係る作業用合羽を構成するシ
ート状物の断面図で、基布１の片面又は両面（本
図では片面の場合を示している）に疎水性合成樹
脂又はゴムと、水溶性非蒸発性液状物質との混合
物からなる不通気性膜２が形成され、この不通気
性膜２の表面には、この膜内から滲出した水溶性
非蒸発性液状物質からなる親水性層３が形成され
ている。 FIG. 1 is a cross-sectional view of a sheet-like material constituting a working jacket according to the present invention, in which a hydrophobic synthetic resin or rubber is coated on one or both sides (the figure shows one side) of a base fabric 1. An impermeable film 2 made of a mixture with a water-soluble non-evaporable liquid substance is formed, and a hydrophilic layer made of a water-soluble non-evaporable liquid substance exuded from within the film is formed on the surface of this impermeable film 2. 3 is formed.
基布は、作業用合羽の機械的強度を保持するた
めに必要なものであり、所望の柔軟性を有するも
のであることが好ましい。一般に、基布はナイロ
ン繊維又はポリエステル繊維を素材として作られ
た繊維、編物又は不織布により構成されている。 The base fabric is necessary to maintain the mechanical strength of the work coat, and preferably has desired flexibility. Generally, the base fabric is composed of fibers, knitted fabrics, or nonwoven fabrics made of nylon fibers or polyester fibers.
次に、不通気性膜２は疎水性重合体材料と、水
溶性液状物質との混合物から形成される。疎水性
重合体材料としては、疎水性合成樹脂、例えば、
ポリ塩化ビニル樹脂、エチレン−酢酸ビニル共重
合体樹脂又はポリエステルなどが用いられる。水
溶性液状物質としては、非蒸発性のエチレングリ
コールおよびグリセリンから選ばれた少なくとも
１種が用いられる。水溶性液状物質の使用量には
格別の限定はないが、例えば不通気性膜重量に対
し５〜10％の含有率で用いられてもよい。 The impermeable membrane 2 is then formed from a mixture of a hydrophobic polymeric material and a water-soluble liquid substance. Hydrophobic polymer materials include hydrophobic synthetic resins, such as
Polyvinyl chloride resin, ethylene-vinyl acetate copolymer resin, polyester, etc. are used. As the water-soluble liquid substance, at least one selected from non-evaporable ethylene glycol and glycerin is used. There is no particular limitation on the amount of the water-soluble liquid substance used, but it may be used, for example, at a content rate of 5 to 10% based on the weight of the impermeable membrane.
上記のように、疎水性重合体材料と水溶性非蒸
発性液状物質との混合物から不通気性膜が形成さ
れると、その中の水溶性非蒸発性液状物質が徐々
に不通気性膜の表面に滲出して極めて薄い親水性
層（水溶性層）を形成する。この親水性層を水で
洗いながすと不通気性膜中の液状物質の残存分の
一部が、再び不通気性膜表面に滲出して親水性層
が形成される。このようにして、親水性層が不通
気性膜上に繰り返し形成される。気密性及び防水
性が付与される不通気性膜は、各種のプラスチツ
ク、天然又は合成ゴム等からなり、特に加工性を
考慮すれば高周波接着の可能なポリ塩化ビニル樹
脂が最も好ましい。さらに、この不通気性膜には
放射線防護剤の混入が好ましい。 As mentioned above, when an impermeable membrane is formed from a mixture of a hydrophobic polymer material and a water-soluble non-evaporable liquid substance, the water-soluble non-evaporable liquid substance therein gradually forms the impermeable membrane. It oozes out to the surface and forms an extremely thin hydrophilic layer (water-soluble layer). When this hydrophilic layer is washed away with water, a portion of the remaining liquid substance in the impermeable membrane oozes out onto the surface of the impermeable membrane to form a hydrophilic layer. In this way, a hydrophilic layer is repeatedly formed on the impermeable membrane. The impermeable membrane imparting airtightness and waterproofing properties is made of various plastics, natural or synthetic rubbers, etc., and especially considering processability, polyvinyl chloride resin, which can be bonded by high frequency, is most preferable. Furthermore, the impermeable membrane preferably incorporates a radioprotective agent.
本考案における重要な特微部分は、親水性層
が、水洗により除去されても繰り返し再生される
点にある。従来の合羽においては、最表面に形成
している疎水性の不通気性膜が、たとえ、その膜
表面を充分に平滑にしたとしても、水となじま
ず、水滴をはじくのでその表面を均一に水で湿潤
することができず水は水玉となつて飛び散るか、
又は、篠状に流下した。このため、注意深い洗滌
を行なつたとしても、なお、合羽表面上に放射性
物質塵等が残留する欠点があつた。本考案の合羽
においては、その使用時に水溶性非蒸発性液状物
質が不通気性膜表面上に滲出して常に親水性層を
形成しているので、付着した放射性物質等を含む
粉塵を飛散させることなく保持し、かつ、水洗に
より粉塵を容易に流去させることができる。従つ
て、作業員が作業場外に放射性物質を持ち出すこ
とを完全に防止することができる。 An important feature of the present invention is that the hydrophilic layer can be repeatedly regenerated even if it is removed by washing with water. In conventional raincoats, even if the surface of the hydrophobic impermeable membrane formed on the outermost surface is made sufficiently smooth, it does not absorb water and repels water droplets, making the surface uniform. It cannot be wetted with water and the water becomes droplets and scatters, or
Or, it flowed down in a Shino-like manner. For this reason, even if careful cleaning was carried out, radioactive material dust and the like remained on the surface of the pewter. In the coat of this invention, when it is used, the water-soluble non-evaporable liquid substance oozes out onto the impermeable membrane surface and constantly forms a hydrophilic layer, which scatters the attached dust containing radioactive substances, etc. The dust can be easily washed away by washing with water. Therefore, it is possible to completely prevent workers from taking radioactive materials out of the workplace.
さらに、本考案に係る作業用合羽は、縫合部分
の気密を完全にし、また、閉鎖時に完全に気密を
保持しうるフアスナー等を取付けて完成される。 Further, the work jacket according to the present invention is completed by attaching a fastener or the like that can completely seal the seam portion and maintain the airtightness when closed.
実施例；
ポリエステル65／綿35の20番手混紡糸を用いて
下記の織物を用意し精練、乾燥を行つた。Example; The following fabric was prepared using a 20 count blended yarn of 65 polyester/35 cotton, and was scoured and dried.
２０Ｓ／１×２０Ｓ／１／２８×２０本／吋 平
織布
この織物からなる基布の一表面に下記組成から
エチレングリコールを除いた組成の混練物からな
るPVCフイルム0.15mm厚のものをその貼着面を
170℃に加熱して貼着した。次に、この貼着され
たフイルムの上に、下記組成の混練材料からなる
PVCフイルム0.15mm厚のものを、その貼着面を
170℃に加熱して貼着して複合シート材料を製造
し、この複合シート材料から作業用合羽を製造し
た。 20 S / 1 x 20 S / 1/28 x 20 pieces / x Plain woven fabric A 0.15 mm thick PVC film made of a kneaded product with the following composition excluding ethylene glycol is placed on one surface of the base fabric made of this woven fabric. the adhesive side
It was heated to 170°C and pasted. Next, a kneaded material with the following composition is placed on top of this pasted film.
PVC film 0.15mm thick, with its adhesive side
A composite sheet material was manufactured by heating and pasting at 170°C, and a work coat was manufactured from this composite sheet material.
PVC 100部
DOP 65〃
三酸化アンチモン ５〃
安定剤（Zn−Cb系） ２〃
エチレングリコール ５〃
得られた合羽は内側に綿織物が配置されてるもの
で汗を吸収し着心地が良好であつた。また合羽表
面には、PVCフイルムからエチレングリコール
が滲み出し親水性層を形成した。この親水性層は
水洗により流去したが、しばらく放置することに
よりポリエチレングリコールが再滲出して親水洗
層が再生した。なお、この複合シートの中間には
エチレングリコールの配合されていないPVCフ
イルム層が配置されているので、織物側にエチレ
ングリコールが滲出することがなかつた。 PVC 100 parts DOP 65〃 Antimony trioxide 5〃 Stabilizer (Zn-Cb type) 2〃 Ethylene glycol 5〃 The obtained coat had a cotton fabric on the inside, which absorbed sweat and was comfortable to wear. . In addition, ethylene glycol oozed out from the PVC film and formed a hydrophilic layer on the surface of the coat. This hydrophilic layer was washed away by water washing, but by allowing it to stand for a while, the polyethylene glycol oozed out again and the hydrophilic washing layer was regenerated. In addition, since a PVC film layer containing no ethylene glycol was placed in the middle of this composite sheet, ethylene glycol did not seep into the fabric side.
本考案は以上の如き構成に基づくものであるか
らたとえ、放射性物質の塵等により、作業用合羽
の表面が汚染された場合であつても、該合羽を水
洗すればその表面に形成されている親水性層によ
り合羽表面は均一に湿潤し、放射能塵は水洗にり
完全に除去されることとなる。この点に関し、実
験の結果においても著しく顕著な効果を奏しうる
ことが確認された。かくして、本考案は限定され
た用途に供するものではあるが、原子力利用に伴
う放射能汚染に対処しうる考案として極めて有用
なものである。なお、本考案に係る作業用合羽に
は、作業衣、防護服等をも包含されるものであ
る。 Since the present invention is based on the structure described above, even if the surface of the work coat is contaminated with radioactive dust, etc., it can be removed by washing the coat with water. The hydrophilic layer uniformly wets the surface of the coat, and radioactive dust is completely removed by washing with water. In this regard, it has been confirmed from the results of experiments that a very remarkable effect can be produced. Thus, although the present invention is of limited use, it is extremely useful as a device capable of dealing with radioactive contamination that accompanies the use of nuclear power. Note that the work coat according to the present invention includes work clothes, protective clothing, and the like.
第１図は、本考案に係る作業用合羽に使用され
るシート状物の断面説明図である。
１……基布、２……不通気性膜、３……親水性
層。
FIG. 1 is an explanatory cross-sectional view of a sheet-like article used for a work coat according to the present invention. 1... Base fabric, 2... Impermeable membrane, 3... Hydrophilic layer.
Claims (1)
通気性膜とを有し、前記不通気性膜が疎水性合
成樹脂又はゴムと、その中に混練された水溶性
非蒸発性液状物質との混合物からなり、前記水
溶性非蒸発性液状物質が、エチレングリコール
およびグリセリンから選ばれた少なくとも１種
からなり、その一部が前記不通気性膜中からそ
の表面上に滲出して親水性層を形成することを
特徴とする作業用合羽。 (2) 前記疎水性合成樹脂が、ポリ塩化ビニル、ポ
リエチレン、エチレン−酢酸ビニル共重合体お
よびポリエステルから選ばれる実用新案登録請
求の範囲第(1)項記載の作業用合羽。[Claims for Utility Model Registration] (1) It has a base fabric and an impermeable membrane formed on at least one surface thereof, and the impermeable membrane is made of a hydrophobic synthetic resin or rubber kneaded therein. The water-soluble non-evaporable liquid substance is composed of at least one selected from ethylene glycol and glycerin, a part of which is contained in the impermeable membrane. A working coat characterized by exuding water to form a hydrophilic layer on its surface. (2) The working coat according to claim 1, wherein the hydrophobic synthetic resin is selected from polyvinyl chloride, polyethylene, ethylene-vinyl acetate copolymer, and polyester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11423877U JPS6234962Y2 (en) | 1977-08-26 | 1977-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11423877U JPS6234962Y2 (en) | 1977-08-26 | 1977-08-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5472905U JPS5472905U (en) | 1979-05-24 |
| JPS6234962Y2 true JPS6234962Y2 (en) | 1987-09-05 |
Family
ID=29064788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11423877U Expired JPS6234962Y2 (en) | 1977-08-26 | 1977-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6234962Y2 (en) |
-
1977
- 1977-08-26 JP JP11423877U patent/JPS6234962Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5472905U (en) | 1979-05-24 |
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