JPH0234914Y2 - - Google Patents
Info
- Publication number
- JPH0234914Y2 JPH0234914Y2 JP15326383U JP15326383U JPH0234914Y2 JP H0234914 Y2 JPH0234914 Y2 JP H0234914Y2 JP 15326383 U JP15326383 U JP 15326383U JP 15326383 U JP15326383 U JP 15326383U JP H0234914 Y2 JPH0234914 Y2 JP H0234914Y2
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- sheet
- acf
- web
- heat
- 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
- 239000000835 fiber Substances 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 25
- 239000003463 adsorbent Substances 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000005871 repellent Substances 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 6
- 239000002759 woven fabric Substances 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 230000002940 repellent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 11
- 230000035699 permeability Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 description 5
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002964 rayon Substances 0.000 description 3
- 239000003440 toxic substance Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 229920001407 Modal (textile) Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920006282 Phenolic fiber Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Separation Of Gases By Adsorption (AREA)
- Laminated Bodies (AREA)
Description
本考案は、有毒化学物質等の有毒物質から人体
を保護する防護材に関する。
近年、有害物質に対する防護服等は、外気等と
人体を完全に遮断するゴム引き布等からなるもの
に代わつて、作業性、通気性、透湿性等を考慮し
た材料からなるものが要求されてきており、通気
性を有する布の間に活性炭層をサンドウイツチ
し、有害物質を活性炭に吸着させるようにしたも
のが考案されており、例えば、表地と裏地の間に
活性炭繊維(以下ACFと記す)の織物を積層、
接着したものが検討されている。しかしながら、
このACF織物は、屈曲等によりACFが折れて粉
末化し、活性炭層が破壊され、有毒物質を完全に
吸着されないで人体側へ透過する危険性がある。
本考案はこのような欠点を除き、特にACF層
の破壊を防ぎ、かつ十分な通気性、透湿性、柔軟
性を有する防護材を提供せんとするものである。
本考案の防護材は第1図に例示するように、熱
融着性繊維1を含む繊維ウエツブ3を少なくとも
片側として、ACFからなる織物、不織布等のシ
ート5の両側に繊維ウエツブ3,4を重ね、三者
がニードルパンチにより一体化されかつ熱融着性
繊維1により繊維間が融着されているシート状吸
着材6の片面に裏地7を部分的に接着した積層シ
ート8と、撥水撥油加工した表地9とを重ねて一
体化したものである。図中2はウエツブ構成主体
繊維である。
本考案におけるシート状吸着材6は、この
ACFの織物等の両側に人造繊維、天然繊維等を
主体繊維とするウエツブを重ねて一体化したもの
であるが、まず、該ウエツブの少なくとも一方の
ものとして、熱融着繊維を30%以上含むものを採
用する。該繊維としては、ポリプロプレン、ポリ
エチレン、エチレン−プロピレン共重合体、エチ
レン−酢酸ビニル重合体またはそのケン化物、共
重合ポリエステル等からなる繊維あるいはこれら
の複合繊維が用いられる。該繊維は、後述するよ
うに繊維間を融着一体化するもので、ウエツブ中
に30重量%以上、好ましくは40〜80重量%含まれ
ている。
本考案の吸着材は、前記ACF織物等のシート
とウエツブとをニードルパンチにより一体化し、
さらに熱融着性繊維を溶融させてウエツブ構成繊
維、ACF間をさらに融着一体化したものである。
該ニードルパンチ密度が高くなると繊維の絡みに
よる一体化は強固になるが、ACFシートが破損
し、ACFが粉末化するため、10〜50パンチ/in2
が適当である。熱融着処理は、ニードルパンチ後
加熱処理好ましくは低い圧力下での加熱処理によ
り行なわれる。
該吸着材は、ACFシートがウエツブにて両側
より被覆され、ニードルパンチによりウエツブ構
成繊維及び熱融着性繊維がACFシートを縫うよ
うに一体化され、さらに熱融着性繊維により各繊
維間が接着し、特に該融着性繊維を含むウエツブ
とACFシートとは点状あるいは複雑なネツト状
の接着構造を取るため、ACFシートはウエツブ
繊維層にて補強されたものとなり屈曲等により損
傷を受けにくくなり、しかも、ACFシートが万
一損傷されても、ウエツブ繊維によりACFが安
定に保持され、脱落したりACF層が片寄りを生
ずることがなく、均質な吸着材として機能し、十
分な通気性、透湿性を有する。
なお、ACFのシートは、レーヨン、ポリビニ
ルアルコール繊維、フエノール繊維、ポリアクリ
ロニトリル繊維等から織成あるいは不織布化され
たシートを通常の方法で炭化し、さらに賦活する
か、炭素繊維からなる織物等を賦活することによ
つて得られるものを使用する。
本考案は、このようなシート状吸着材の片面に
裏地7を接着して積層シート8とし、これに撥水
撥油加工した表地9を重ねて一体化したものであ
る。
裏地としては、通常衣料用として用いられる編
織物が使用され、吸着材とは点状あるいは線状に
接着される。本考案の防護材の通気性、透湿性を
保持させるために、裏地と吸着材との接着は点
状、線状等の部分接着が必要で、この接着法とし
ては、熱溶融性樹脂の粉状体を用いるホツトメル
ト接着法が有利である。
本考案の表地は、シリコン系あるいはフツ素系
樹脂により撥水撥油加工されたものを用いる。こ
れは、液滴状の有害物質の浸透を防ぐために重要
である。本考案においては、このような液滴状の
有害物質を遮断するために、シート状吸着材の表
地側のウエツブ層を表地と同様に撥水撥油加工す
ることが好ましい。
積層シート7と表地8とは、接着等にて完全に
一体化する必要はなく、防護衣等を縫製する段階
で重ねて縫着するものであつてもよい。接着等に
て一体化する場合は前述したように部分接着等に
より、通気性等を阻止しない手段を採用する。
本考案の防護材は、農薬散布作業用衣服、頭巾
等として使用する場合、きわめて柔軟性に富み、
通気性、透湿性が良好であり、作業性、着用感に
優れているのはもちろん、液滴状の有害物質は表
面で遮断され、ガス状有害物質はACFからなる
吸着層にて吸着されるため、人体が危険に曝され
ることはない。また、ACF層はウエツブ層と一
体化されており屈曲等にて破損されにくく、防護
材としての耐久性は高い。また、表地等を難燃繊
維からつくり、消防服等他の目的と併用すること
もできる。
実施例
フエノール繊維から得られたACFからなる織
物(目付60g/m2)の片面に、ポリエステル繊維
(2d×51mm)からなりフツ素系樹脂にて撥水撥油
加したウエツブ(目付56g/m2)、他面にレーヨ
ンとエチレン−酢酸ビニル共重合体ケン化物
(EVA)からなる芯鞘型複合繊維の混合ウエツブ
(混合比35/65、目付30g/m2)を重ね、40パン
チ/in2、針の進入深さ11mmでニードルパンチを
行ない、さらに熱カレンダー(130℃×6m/分)
で熱処理を行なつて、シート状吸着材を得た。
次に該吸着材のレーヨン/EVAウエツブ層表
面に、EVA粉末を介して、ポリエステル繊維平
織地(60′S/1×60′S/1)/60×60)を裏地として
点状
に熱接着して積層シートとした。
一方、表地として、難燃ビニロン/難燃ポリノ
ジツク繊維の混紡糸からなる織物
(20′S/1×20′S/1/57×57)を、フツ素系撥水撥
油剤
(アサヒガードAG710:旭硝子(株)製)で処理(付
着量2%)したものを準備した。
前記の積層シートおよび表地をそれぞれ裁断
し、作業服として縫製した。
この各性能は第1表の通りである。
The present invention relates to a protective material that protects the human body from toxic substances such as toxic chemicals. In recent years, protective clothing against harmful substances has been required to be made of materials that take into consideration workability, breathability, moisture permeability, etc., instead of those made of rubberized cloth that completely isolate the human body from the outside air. For example, activated carbon fiber (hereinafter referred to as ACF) is sandwiched between the outer material and the lining material, and a layer of activated carbon is sandwiched between breathable cloth so that the activated carbon absorbs harmful substances. Laminated woven fabrics,
A bonded version is being considered. however,
In this ACF fabric, there is a risk that the ACF will break and turn into powder due to bending, etc., and the activated carbon layer will be destroyed, allowing toxic substances to pass through to the human body without being completely adsorbed. The present invention aims to eliminate these drawbacks, particularly to provide a protective material that prevents destruction of the ACF layer and has sufficient air permeability, moisture permeability, and flexibility. As illustrated in FIG. 1, the protective material of the present invention has a fiber web 3 containing heat-fusible fibers 1 on at least one side, and fiber webs 3 and 4 on both sides of a sheet 5 made of ACF such as woven fabric or non-woven fabric. A laminated sheet 8 in which a lining 7 is partially adhered to one side of a sheet-like adsorbent 6 which is stacked and integrated by needle punching and whose fibers are fused by heat-fusible fibers 1, and a water-repellent It is made by overlapping and integrating the outer material 9 which has been treated with oil repellent. 2 in the figure is the main fiber forming the web. The sheet-like adsorbent 6 in the present invention is
It is an ACF fabric made by stacking and integrating webs mainly composed of man-made fibers, natural fibers, etc. on both sides, but first, at least one of the webs contains 30% or more of heat-fusible fibers. Adopt something. As the fibers, fibers made of polypropylene, polyethylene, ethylene-propylene copolymers, ethylene-vinyl acetate polymers or their saponified products, copolyester polyesters, etc., or composite fibers thereof are used. The fibers fuse and integrate the fibers as described below, and are contained in the web in an amount of 30% by weight or more, preferably 40 to 80% by weight. The adsorbent of the present invention is made by integrating the sheet of ACF fabric and the web by needle punching,
Furthermore, the web constituent fibers and ACF are further fused and integrated by melting heat-fusible fibers.
As the needle punch density increases, the integration due to the entanglement of fibers becomes stronger, but the ACF sheet is damaged and the ACF becomes powder, so the needle punch density is 10 to 50 punches/in 2.
is appropriate. The heat fusion treatment is performed by needle punching followed by heat treatment, preferably heat treatment under low pressure. In this adsorbent, the ACF sheet is covered with a web from both sides, the fibers that make up the web and the heat-fusible fibers are sewn together through the ACF sheet by needle punching, and the fibers are separated by the heat-fusible fibers. Since the ACF sheet is bonded to the web containing the fusible fibers and has a point-like or complicated net-like adhesive structure, the ACF sheet is reinforced with the web fiber layer and is susceptible to damage due to bending, etc. In addition, even if the ACF sheet is damaged, the web fibers will hold the ACF stably, preventing it from falling off or causing the ACF layer to become uneven, functioning as a homogeneous adsorbent, and ensuring sufficient ventilation. It has moisture permeability. ACF sheets can be made by carbonizing a woven or non-woven sheet made of rayon, polyvinyl alcohol fiber, phenol fiber, polyacrylonitrile fiber, etc. using the usual method and then activating it, or by activating a woven fabric made of carbon fiber. Use what you get by doing so. In the present invention, a lining 7 is adhered to one side of such a sheet-like adsorbent to form a laminated sheet 8, and a water- and oil-repellent outer material 9 is layered and integrated with this. As the lining, a knitted fabric commonly used for clothing is used, and the adsorbent is adhered in dots or lines. In order to maintain the air permeability and moisture permeability of the protective material of this invention, it is necessary to bond the lining and the absorbent material in spots or lines. Preference is given to hotmelt bonding methods using shaped bodies. The outer material of the present invention is water- and oil-repellent treated with silicone-based or fluorine-based resin. This is important to prevent the penetration of harmful substances in the form of droplets. In the present invention, in order to block such harmful substances in the form of droplets, it is preferable that the web layer on the outer side of the sheet-like adsorbent is treated to be water- and oil-repellent in the same way as the outer layer. The laminated sheet 7 and the outer material 8 do not need to be completely integrated by adhesive or the like, and may be sewn together in an overlapping manner at the stage of sewing the protective clothing or the like. When integrating the parts by adhesion or the like, as described above, a means such as partial adhesion is used that does not impede air permeability. The protective material of this invention is extremely flexible when used as clothing for pesticide spraying work, hoods, etc.
Not only does it have good breathability and moisture permeability, and is excellent in workability and wearability, but droplet-shaped harmful substances are blocked by the surface, and gaseous harmful substances are adsorbed by the adsorption layer made of ACF. Therefore, the human body is not exposed to any danger. Furthermore, since the ACF layer is integrated with the web layer, it is less likely to be damaged by bending, etc., and has high durability as a protective material. In addition, the outer material etc. can be made from flame-retardant fibers and used in combination with other purposes such as firefighting clothing. Example: A fabric made of ACF obtained from phenolic fibers (fabric weight 60 g/m 2 ) was coated on one side with a fabric made of polyester fiber (2 d x 51 mm) and water- and oil-repellent made with fluorocarbon resin (fabric weight 56 g/m 2 ). 2 ) On the other side, a mixed web of core-sheath type composite fibers made of rayon and saponified ethylene-vinyl acetate copolymer (EVA) (mixing ratio 35/65, basis weight 30 g/m 2 ) was layered, and 40 punches/in. 2. Perform needle punching with a needle penetration depth of 11 mm, and heat calendar (130℃ x 6m/min).
A sheet-like adsorbent was obtained by heat treatment. Next, on the surface of the rayon/EVA web layer of the adsorbent, polyester fiber plain weave fabric (60'S/1 x 60'S/1)/60 x 60) is thermally bonded in dots as a lining through EVA powder. A laminated sheet was prepared. On the other hand, for the outer material, a woven fabric (20'S/1 x 20'S/1/57 x 57) made of a blended yarn of flame-retardant vinylon/flame-retardant polynosic fiber was used as a fluorine-based water and oil repellent (Asahi Guard AG710). (manufactured by Asahi Glass Co., Ltd.) (adhesion amount: 2%) was prepared. The laminated sheet and outer material were each cut and sewn into work clothes. The respective performances are shown in Table 1.
【表】【table】
第1図は本考案の防護材の断面模式図であり、
1は熱融着性繊維、2はウエツブ主体繊維、3,
4はウエツブ、5は活性炭繊維シート、6は吸着
材、7は裏地、8は積層シート、9は表地を示
す。
FIG. 1 is a schematic cross-sectional view of the protective material of the present invention.
1 is heat-fusible fiber, 2 is web-based fiber, 3,
4 is a web, 5 is an activated carbon fiber sheet, 6 is an adsorbent, 7 is a lining, 8 is a laminated sheet, and 9 is an outer material.
Claims (1)
ブを少なくとも片側として活性炭繊維からなる
シートの両側に繊維ウエツブが重ねられ、三者
がニードルパンチにより一体化されかつ熱融着
性繊維により繊維間が部分的に融着されたシー
ト状吸着材の片側に裏地を部分接着した積層シ
ートと、撥水撥油加工した表地とを重ねて一体
化した防護材。 2 シート状吸着材の表地側ウエツブが撥水撥油
処理されている実用新案登録請求の範囲第1項
に記載の防護材。 3 活性炭繊維からなるシートが織物である実用
新案登録請求の範囲第1項または第2項に記載
の防護材。[Claims for Utility Model Registration] 1. A fiber web containing at least 30% by weight of heat-fusible fibers is stacked on both sides of a sheet made of activated carbon fibers, and the three are integrated by needle punching. A protective material that integrates a laminated sheet in which a lining is partially bonded to one side of a sheet-like absorbent material whose fibers are partially fused with heat-fusible fibers, and a water- and oil-repellent outer material. 2. The protective material according to claim 1, wherein the outer web of the sheet-like adsorbent material is treated to be water and oil repellent. 3. The protective material according to claim 1 or 2, wherein the sheet made of activated carbon fibers is a woven fabric.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15326383U JPS6061055U (en) | 1983-09-30 | 1983-09-30 | Protective material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15326383U JPS6061055U (en) | 1983-09-30 | 1983-09-30 | Protective material |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6061055U JPS6061055U (en) | 1985-04-27 |
JPH0234914Y2 true JPH0234914Y2 (en) | 1990-09-20 |
Family
ID=30339134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15326383U Granted JPS6061055U (en) | 1983-09-30 | 1983-09-30 | Protective material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6061055U (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0745525Y2 (en) * | 1986-01-17 | 1995-10-18 | 富士デヴィソン化学株式会社 | Adsorbent wearing hat |
JPS6414306A (en) * | 1987-07-07 | 1989-01-18 | Unitika Ltd | Production of deodorizing clothing |
JPH0740486Y2 (en) * | 1989-10-05 | 1995-09-20 | ユニチカ株式会社 | Dustproof work clothes |
DE10356776B4 (en) * | 2003-12-02 | 2011-04-14 | BLüCHER GMBH | Plasma-treated adsorption filter material with protection against chemical toxins, its use and protective materials comprising this adsorption filter material |
US20060234903A1 (en) * | 2004-10-08 | 2006-10-19 | Short Dan C | Ionized performance fabric |
JP5679310B2 (en) * | 2011-03-16 | 2015-03-04 | 東洋紡株式会社 | Adsorption sheet |
JP2015085522A (en) * | 2013-10-28 | 2015-05-07 | 東洋紡株式会社 | Adsorption sheet and method for producing the same |
JP2016078242A (en) * | 2014-10-10 | 2016-05-16 | 東洋紡株式会社 | Protective sheet |
-
1983
- 1983-09-30 JP JP15326383U patent/JPS6061055U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6061055U (en) | 1985-04-27 |
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