JP6069721B1 - Sewing thread, protective material, protective clothing and protective equipment using the sewing thread - Google Patents
Sewing thread, protective material, protective clothing and protective equipment using the sewing thread Download PDFInfo
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- JP6069721B1 JP6069721B1 JP2016087981A JP2016087981A JP6069721B1 JP 6069721 B1 JP6069721 B1 JP 6069721B1 JP 2016087981 A JP2016087981 A JP 2016087981A JP 2016087981 A JP2016087981 A JP 2016087981A JP 6069721 B1 JP6069721 B1 JP 6069721B1
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- sewing thread
- repellent
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- protective
- oil
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- 238000009958 sewing Methods 0.000 title claims abstract description 64
- 230000001681 protective effect Effects 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title claims abstract description 14
- 239000005871 repellent Substances 0.000 claims abstract description 50
- 239000003921 oil Substances 0.000 claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 24
- 239000010703 silicon Substances 0.000 claims abstract description 24
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 claims abstract description 23
- 125000004429 atom Chemical group 0.000 claims abstract description 14
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims abstract description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 7
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 7
- 239000011737 fluorine Substances 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 230000002940 repellent Effects 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 21
- 239000000126 substance Substances 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 238000012545 processing Methods 0.000 description 18
- 238000009499 grossing Methods 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- -1 phosphorus organic compound Chemical class 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 4
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 4
- 238000009991 scouring Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000013351 cheese Nutrition 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Landscapes
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
【課題】初期及び経時のはっ水はつ油に優れ、液状有機化学物質から作業者を有効に防護しえる防護材料に好適に使用される縫製糸を提供する。【解決手段】炭素数が６以下のパーフルオロアルキル基を有するフッ素系はっ水はつ油剤が塗布され、その表面のＥＳＣＡ（Ｅｌｅｃｔｒｏｎ Ｓｐｅｃｔｒｏｓｃｏｐｙ ｆｏｒ Ｃｈｅｍｉｃａｌ Ａｎａｌｙｓｉｓ）測定での珪素検出量が１０ａｔｏｍ％以下である縫製糸。【選択図】なしThe present invention provides a sewing thread which is excellent in water-repellent oil repellency at an initial stage and over time and is suitably used as a protective material capable of effectively protecting an operator from a liquid organic chemical substance. SOLUTION: A fluorine-based water-repellent oil-repellent agent having a perfluoroalkyl group having 6 or less carbon atoms is applied, and a silicon detection amount of 10 atom% or less is measured by ESCA (Electron Spectroscopy for Chemical Analysis) on the surface. A sewing thread. [Selection figure] None
Description
本発明は、はっ水はつ油性に優れ、縫製性に優れた縫製用の糸である縫製糸に関する。さらに詳しくは、有機リン系化合物等のような皮膚から吸収されて人体に悪影響を及ぼす液状有機化学物質から作業者を有効に防護しえる防護材料に好適に使用される縫製糸に関する。 The present invention relates to a sewing thread that is a thread for sewing that has excellent water repellency and oil repellency and excellent sewing properties. More specifically, the present invention relates to a sewing thread that is suitably used as a protective material that can effectively protect an operator from a liquid organic chemical substance that is absorbed from the skin and has an adverse effect on the human body, such as an organic phosphorus compound.
特許文献１には、はっ水性を有するミシン糸として、ミシン糸を構成する繊維糸の表面より外側に向かってはっ水、はつ油処理、ワックス処理、シリコン処理を施したミシン糸が提案されているが、はっ水はつ油処理処方について詳細に言及されていない。 Patent Document 1 proposes a sewing thread that has been subjected to water repellency, oil repellency treatment, wax treatment, and silicon treatment from the surface of the fiber yarn constituting the sewing yarn as water repellency. However, water repellency has not been described in detail with respect to the oil processing formula.
特許文献２には、シリコン系平滑剤が上糸に塗布されたはっ水はつ油性ミシン糸でキルティング加工したシート材料が例示されている。しかし、テロメリゼーションによって炭素数が８以上のパーフルオロアルキル基を含有する化合物が、分解または代謝によりＰｅｒｆｌｕｏｒｏ−ｏｃｔａｎｏｉｃ ａｃｉｄ（以下、ＰＦＯＡと略す）を生成する可能性があると公表（ＥＰＡ ＯＰＰＴ ＦＡＣＴ ＳＨＥＥＴ Ａｐｒｉｌ １４，２００３）されている点を考慮し、炭素数が６以下のパーフルオロアルキル基を有するはっ水はつ油剤を適用する場合に、シリコン系平滑剤によりはっ水はつ油性が低くなることが懸念される問題がある。 Patent Document 2 exemplifies a sheet material that is quilted with a water-repellent, oil-repellent sewing thread in which a silicon-based smoothing agent is applied to the upper thread. However, a compound containing a perfluoroalkyl group having 8 or more carbon atoms by telomerization may produce Perfluoro-octanoic acid (hereinafter abbreviated as PFOA) by decomposition or metabolism (EPA OPPT FACT). SHEET April 14, 2003), when water-repellent oil-repellent having a perfluoroalkyl group having 6 or less carbon atoms is applied, the water-repellent water-repellent property is improved by the silicon-based smoothing agent. There is a problem of concern about lowering.
本発明は従来技術の課題を背景になされたもので、その目的は、炭素数が６以下のパーフルオロアルキル基を有するはっ水はつ油剤を使用した場合でもはっ水はつ油性に優れ、経時的なはつ油性に優れた縫製糸を提供することにある。さらに詳しくは、有機リン系有機化合物等のような皮膚から吸収されて人体に悪影響を及ぼす液状有機化学物質から作業者を有効に防護しえる防護材料に好適に使用される縫製糸等を提供することにある。 The present invention has been made against the background of the problems of the prior art, and its purpose is to provide excellent water repellency even when a water repellant having a perfluoroalkyl group having 6 or less carbon atoms is used. An object of the present invention is to provide a sewing thread having excellent oil repellency over time. More specifically, the present invention provides a sewing thread that is suitably used as a protective material that can effectively protect a worker from a liquid organic chemical that is absorbed from the skin and has an adverse effect on the human body, such as an organic phosphorus organic compound. There is.
本発明は上記課題を解決するため、鋭意研究した結果、本発明を完成するに至った。すなわち、本発明は、以下の通りである。
（１）炭素数が６以下のパーフルオロアルキル基を有するフッ素系はっ水はつ油剤が塗布され、表面のＥＳＣＡ（Ｅｌｅｃｔｒｏｎ Ｓｐｅｃｔｒｏｓｃｏｐｙ ｆｏｒ Ｃｈｅｍｉｃａｌ Ａｎａｌｙｓｉｓ）測定での珪素検出量が１０ａｔｏｍ％以下である縫製糸。
（２）はつ油度がＡＡＴＣＣ１１８法で３級以上である（１）に記載の縫製糸。
（３）（１）または（２）に記載の縫製糸を用いた防護材料。
（４）（３）に記載の防護材料を用いた防護衣服。
In order to solve the above problems, the present invention has been completed as a result of intensive studies. That is, the present invention is as follows.
(1) it is applied a fluorine-based repellent water- oil carbon atoms having 6 or less perfluoroalkyl group, a silicon-detection amount at the front surface of the ESCA (Electron Spectroscopy for Chemical Analysis) measurement is not more than 10 atom% Sewing thread.
(2) The sewing thread according to (1), wherein the oil repellent degree is grade 3 or higher according to the AATCC118 method.
(3) A protective material using the sewing thread according to (1) or (2).
(4) Protective clothing using the protective material according to (3).
本発明による縫製糸は、初期及び経時のはっ水はつ油性に優れるため、有機リン系有機化合物等のような皮膚から吸収されて人体に悪影響を及ぼす液状有機化学物質から作業者を有効に防護しえる防護材料の使用に好適な縫製糸を提供することが可能となる。 The sewing thread according to the present invention is excellent in water and oil repellency at the initial stage and over time, so that it can effectively absorb workers from liquid organic chemicals that are absorbed from the skin and have an adverse effect on the human body, such as organophosphorus organic compounds. It is possible to provide a sewing thread suitable for use of a protective material that can be protected.
以下、本発明を詳細に説明する。 Hereinafter, the present invention will be described in detail.
本発明の縫製糸に使用される原糸の原料としては、特に限定されるものではないが、ポリエステル系樹脂等が好適に使用できる。例えば、ポリエチレンテレフタレート、ポリトリメチレンテレフタレート、ポリブチレンテレフタレート、ポリエチレンナフタレート等が挙げられ、その中より適宜選定することができる。 The raw material of the raw yarn used in the sewing thread of the present invention is not particularly limited, but a polyester resin or the like can be suitably used. For example, polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate and the like can be mentioned, and can be appropriately selected from them.
本発明の縫製糸は、以下ではミシン糸として説明するが、手縫い糸であってもよい。また、ミシン糸である場合、それを用いるミシンは特に限定されず、家庭用でも工業用でもよい。 The sewing thread of the present invention will be described below as a sewing thread, but may be a hand-sewn thread. In the case of a sewing thread, the sewing machine using the sewing thread is not particularly limited, and may be for home use or industrial use.
原糸の形態としては、スパン糸およびフィラメント糸が挙げられ、必要な強度等から適宜選定することが可能である。スパン糸は、短繊維を紡績して得られるミシン糸であって、ミシン糸表面に毛羽を有しており、この毛羽が縫製中の磨耗、解撚、熱を抑制するので高い可縫性が得られる。一方でフィラメント糸は、高強度で外観が綺麗と言う長所があり、近年、ミシン糸はフィラメント糸が主流になっている。また、フィラメント糸としては、モノフィラメントまたはマルチフィラメントのいずれも用いることが可能であるが、可縫性の観点よりマルチフィラメントを用いることが好ましい。 Examples of the form of the raw yarn include a spun yarn and a filament yarn, and can be appropriately selected from necessary strength and the like. The spun yarn is a sewing thread obtained by spinning short fibers, and has a fluff on the surface of the sewing thread, and the fluff suppresses wear, untwisting, and heat during sewing, and thus has high sewability. can get. On the other hand, filament yarn has the advantage of high strength and beautiful appearance. In recent years, filament yarn is the mainstream sewing thread. As the filament yarn, either a monofilament or a multifilament can be used, but it is preferable to use a multifilament from the viewpoint of stitchability.
本発明のミシン糸に用いる原糸は、スパン糸またはフィラメント糸のいずれも好ましく使用できる。中でも、はっ水はつ油処理した後のはっ水はつ油性を考慮すると、フィラメント糸よりも含気率の高いスパン糸を好適に用いることができる。 As the raw yarn used for the sewing thread of the present invention, either a spun yarn or a filament yarn can be preferably used. Among these, considering the water repellency after water repellency treatment, a spun yarn having a higher air content than the filament yarn can be suitably used.
本発明に用いるスパン糸としては、３０番手以上１８０番手以下が好ましく、５０番手以上１５０番手以下がより好ましい。上記範囲を超えると強度が劣り、上記範囲を未満であるとミシン目の品位が劣ることがある。 The spun yarn used in the present invention is preferably from 30 to 180, and more preferably from 50 to 150. If it exceeds the above range, the strength may be inferior.
一方で、フィラメント糸の繊度については、マルチフィラメントを用いる場合には、フィラメント数は１２以上１００以下であることが好ましく、総繊度は、１２０ｄｔｅｘ以上７００ｄｔｅｘ以下が好ましく、１５０ｄｔｅｘ以上５００ｄｔｅｘ以下がより好ましい。スパン糸と同様に繊度が上記範囲未満では、強度が劣り、上記範囲を超えるとミシン目の品位が劣ることがある。 On the other hand, regarding the fineness of the filament yarn, when a multifilament is used, the number of filaments is preferably 12 or more and 100 or less, and the total fineness is preferably 120 dtex or more and 700 dtex or less, and more preferably 150 dtex or more and 500 dtex or less. Similar to the spun yarn, if the fineness is less than the above range, the strength is inferior, and if it exceeds the above range, the perforation quality may be inferior.
これらのミシン糸にははっ水はつ油処理（はっ水はつ油剤加工）を施すことが必要である。使用するはっ水はつ油剤としては、高いはっ水はつ油性を発現させるために、フッ素系はっ水はつ油剤が好ましい。なお、フッ素系はっ水はつ油剤については、これまで使用されてきたＰＦＯＡ含有の炭素数が８のパーフルオロアルキル基を有するフッ素系はっ水はつ油剤ではなく、ＰＦＯＡフリー化された炭素数が６以下のパーフルオロアルキル基を有するフッ素系はっ水はつ油剤を使用する。 These sewing threads need to be subjected to water repellency treatment (water repellency oil processing). As the water-repellent oil-repellent used, a fluorine-based water-repellent oil-repellent is preferred in order to exhibit high water-repellent and oil-repellent properties. In addition, as for the fluorine-based water-repellent oil agent, the fluorinated water-repellent agent having a perfluoroalkyl group having 8 carbon atoms containing PFOA that has been used so far is not PFOA-free carbon. A fluorine-based water-repellent oil repellant having a perfluoroalkyl group having a number of 6 or less is used.
ミシン糸のはっ水はつ油処理については、チーズやかせで前処理する方法またはキルティング加工後にスプレーやディップ加工する後加工等のいずれの方法でも構わないが、はっ水はつ油処理剤の均一付与を考慮すると、予め糸へはっ水はつ油処理を行う前処理法が好ましい。 For water repellency treatment of sewing thread, any method such as pre-treatment with cheese or skein or post-processing after spraying or dipping after quilting may be used. Considering the uniform application of the yarn, the pretreatment method in which the water repellent and oil repellent treatment is performed on the yarn in advance is preferable.
はっ水はつ油処理については、糸を所定濃度に調整したはっ水はつ油剤浴中へ浸漬後、所定の付着量となるようにディップ後、マングルによりニップする方法、または遠心脱水機により所定の付着量とする方法等が挙げられる。また、キルティング加工後の材料へはっ水はつ油剤をディップ処理またはスプレー処理することで塗布することも可能である。 For water-repellent oil repellency treatment, after immersing the water-repellent water adjusted to a predetermined concentration in the oil-repellent bath, dip it to a predetermined adhesion amount, and nip with mangle, or centrifugal dehydrator And a method for obtaining a predetermined adhesion amount. It is also possible to apply water repellency to the material after quilting by dipping or spraying the oil repellent.
はっ水はつ油剤の付着量としては、０．２％ｏｗｆ以上３０％ｏｗｆ以下であることが好ましく、１％ｏｗｆ以上２０％ｏｗｆ以下であることがより好ましい。はっ水はつ油剤の付着量が、０．２％ｏｗｆ未満では、十分なはっ水はつ油性能が得られず、３０％ｏｗｆを超えると、糸が硬くなり、柔軟性が劣りさらには可縫性が悪くなる原因となる。また、加工剤コストも高くなる。 The water-repellent oil-repellent adhesion amount is preferably 0.2% owf to 30% owf, more preferably 1% owf to 20% owf. If the amount of the water-repellent oil-repellent is less than 0.2% owf, sufficient water-repellent oil-repellent performance cannot be obtained, and if it exceeds 30% owf, the yarn becomes hard and the flexibility is inferior. This will cause the sewing property to deteriorate. Also, the processing agent cost is increased.
ミシン糸ははっ水はつ油処理後にキルティング加工性の面で平滑剤を塗布することが好ましい。平滑剤を塗布する場合には、かせでも、かせ繰り後の糸で付与しても構わない。使用する平滑剤は、シリコン系化合物、ポリエチレン系エマルジョン、ワックス系化合物等が挙げられる。その中でも、キルティング性とはっ水はつ油性の面よりワックス系化合物が好適に使用される。 It is preferable to apply a smoothing agent in terms of quilting processability after the water and water repellency treatment of the sewing thread. When applying a smoothing agent, it may be applied by skein or by skeined yarn. Examples of the smoothing agent used include silicon compounds, polyethylene emulsions, and wax compounds. Among them, a wax-based compound is preferably used in terms of quilting property and water repellency and oil repellency.
平滑剤のミシン糸への付着量は、０．１％ｏｗｆ以上３％ｏｗｆ以下であることが好ましく、０．３％ｏｗｆ以上２％ｏｗｆ以下であることがより好ましい。はっ水はつ油剤の付着量が、０．１％ｏｗｆ未満では、十分な滑り性が発現できず可縫性が劣る結果となり、３％ｏｗｆを超えると、はっ水はつ油性の低下を招くことが懸念される。 The adhesion amount of the smoothing agent to the sewing thread is preferably 0.1% owf or more and 3% owf or less, more preferably 0.3% owf or more and 2% owf or less. When the water-repellent and oil-repellent adhesion amount is less than 0.1% owf, sufficient slipperiness cannot be expressed and the stitchability is inferior. There is concern about inviting.
本発明のミシン糸表面のＥＳＣＡ（Ｅｌｅｃｔｒｏｎ Ｓｐｅｃｔｒｏｓｃｏｐｅ ｆｏｒ Ｃｈｅｍｉｃａｌ Ａｎａｌｙｓｉｓ）測定による珪素検出量は、１０ａｔｏｍ％以下であり、好ましくは５ａｔｏｍ％以下である。珪素検出量が１０ａｔｏｍ％を越えるとミシン糸では、ＡＡＴＣＣ Ｔｅｓｔ Ｍｅｔｈｏｄ １１８によるはつ油度が３級未満となり、さらには、１ヶ月後のはつ油性が１級以下まで低下する懸念がある。 The amount of silicon detected by ESCA (Electron Spectroscope for Chemical Analysis) measurement on the surface of the sewing thread of the present invention is 10 atom% or less, preferably 5 atom% or less. If the detected amount of silicon exceeds 10 atom%, there is a concern that in the sewing thread, the oil repellency according to AATCC Test Method 118 will be less than grade 3, and the oil repellency after 1 month will be lowered to grade 1 or less.
本発明のミシン糸表面のＥＳＣＡ測定による珪素検出量を上記範囲とする方法としては、かせやチーズなどの糸状の状態でバッチ法により精練する方法がある。精練には、通常使用される精練剤を使用する方法や熱水による方法などが使用可能である。いずれの方法によっても、ＥＳＣＡ測定による珪素検出量が１０ａｔｏｍ％以下となるように精練を実施することが必要である。 As a method of setting the silicon detection amount by ESCA measurement on the surface of the sewing thread of the present invention within the above range, there is a method of scouring by a batch method in a thread-like state such as skein or cheese. For scouring, a method using a commonly used scouring agent or a method using hot water can be used. In any method, it is necessary to carry out scouring so that the amount of silicon detected by ESCA measurement is 10 atom% or less.
本発明のミシン糸を用いて、ガス吸着層および補強層をキルティング加工した材料は、液状有機化学物質のみならず、ガス状有機化学物質に対する防護性を付与することが可能となる。 The material obtained by quilting the gas adsorbing layer and the reinforcing layer using the sewing thread of the present invention can provide protection not only for liquid organic chemical substances but also for gaseous organic chemical substances.
ここで使用するガス吸着層は、活性炭やカーボンブラックなどの炭素系吸着剤、または、シリカゲル、ゼオライト系吸着剤、炭化珪素、活性アルミナなどの無機系吸着剤等からなるガス吸着材が挙げられるが、対象とする被吸着物質に応じて適宜選択すされることができる。その中でも広範囲なガスに対応できる活性炭が好ましく、特に吸着速度や吸着容量が大きく少量の使用で効果的なガス透過抑制能が得られる繊維状活性炭がより好ましい。 Examples of the gas adsorption layer used here include carbon adsorbents such as activated carbon and carbon black, or gas adsorbents composed of silica-based, zeolite-based adsorbents, inorganic adsorbents such as silicon carbide and activated alumina, and the like. , And can be appropriately selected according to the target substance to be adsorbed. Among them, activated carbon that can deal with a wide range of gases is preferable, and fibrous activated carbon that has a large adsorption rate and adsorption capacity and can effectively suppress gas permeation when used in a small amount is more preferable.
また、補強層は、織物、編物、不織布、多孔フィルム等、または、これらの複合材料が挙げられる。使用目的に応じて適宜選択できる。補強層の目的は、外部から与えられる機械的な力からガス吸着層を保護すること、機械的な強度を補うこと、液状有機化学物質からの浸透抑制能を確保すること等である。 Examples of the reinforcing layer include woven fabrics, knitted fabrics, nonwoven fabrics, porous films, and the like, or composite materials thereof. It can select suitably according to the intended purpose. The purpose of the reinforcing layer is to protect the gas adsorbing layer from mechanical force applied from the outside, to supplement the mechanical strength, to ensure the ability to suppress permeation from liquid organic chemicals, and the like.
本発明の縫製糸を用いた防護材料、またその防護材料を用いた防護衣服や防護用品も本発明の範囲に含まれる。 Protective materials using the sewing thread of the present invention, and protective clothing and protective articles using the protective materials are also included in the scope of the present invention.
次に実施例および比較例を用いて、本発明を具体的に説明するが、本発明はこれらの実施例によって制限されるものではない。なお、実施例および比較例に記載の評価は以下に記す方法による。 EXAMPLES Next, although this invention is demonstrated concretely using an Example and a comparative example, this invention is not restrict | limited by these Examples. In addition, evaluation as described in an Example and a comparative example is based on the method described below.
（１）はつ油度
ＡＡＴＣＣ Ｔｅｓｔ Ｍｅｔｈoｄ １１８法により測定した。
(1) Oil repellency was measured by AATCC Test Method 118 method.
（２）珪素検出量
アルバック・ファイＥＳＣＡ５８０１ＭＣを用いて、全元素スキャンを行い、その後検出された元素と存在が予想される元素についてナロースキャンを行い、存在比（ａｔｏｍ％）を評価した。
(2) Amount of detected silicon Using ULVAC-Phi ESCA5801MC, all element scans were performed, and then the detected elements and elements expected to exist were subjected to narrow scans to evaluate the abundance ratio (atom%).
＜実施例１＞
ミシン糸を次のように作製した。ポリエステル１００％紡績糸（＃１２０ ８０S/２）をかせ繰り機により５００ｇのかせとし、精練を実施した。そのかせ糸のＥＳＣＡ測定での珪素検出量は、０．５ａｔｏｍ％であった。次いで、そのかせ糸を５ｗｔ％フッ素系はっ水はつ油剤（日華化学株式会社製 ＮＫガードＳ−１１ ＰＦＯＡフリー）の加工浴に浸漬後、１００℃で乾燥処理を行い、さらに１５０℃まで温度を上げてキュアを施した。次いで、平滑剤としてパラフィン系ワックスをローラーオイリングで糸に対して１％ｏｗｆ固着させた。
<Example 1>
A sewing thread was produced as follows. 100% polyester spun yarn (# 120 80 S / 2) was squeezed with 500 g of skein using a squeezing machine. The amount of silicon detected by ESCA measurement of the skein was 0.5 atom%. Next, the skein yarn is immersed in a processing bath of 5 wt% fluorine-based water-repellent oil repellent (NK Guard S-11 PFOA-free, manufactured by Nikka Chemical Co., Ltd.), dried at 100 ° C., and further up to 150 ° C. The temperature was raised and curing was performed. Next, paraffin wax as a smoothing agent was fixed to the yarn by 1% owf by roller oiling.
得られたはミシン糸のＥＳＣＡ測定での珪素検出率、加工初期はつ油度、加工後１ヶ月経過後のはつ油度を表１に示す。 Table 1 shows the silicon detection rate obtained by ESCA measurement of the sewing thread, the oiliness at the initial stage of processing, and the oiliness after one month after processing.
＜実施例２＞
ミシン糸を次のように作製した。ポリエステル１００％紡績糸（＃１２０ ８０S/２）をかせ繰り機により５００ｇのかせとし、精練を実施した。そのかせ糸のＥＳＣＡ測定での珪素検出量は、３ａｔｏｍ％であった。次いで、そのかせ糸に、実施例１と同様に、はっ水はつ油処理および平滑剤処理を実施した。
得られたミシン糸のＥＳＣＡ測定での珪素検出量、加工初期はつ油度、加工後１ヶ月経過後のはつ油度を表１に示す。
<Example 2>
A sewing thread was produced as follows. 100% polyester spun yarn (# 120 80 S / 2) was squeezed with 500 g of skein using a squeezing machine. The amount of silicon detected by ESCA measurement of the skein was 3 atom%. Then, the skeined yarn was subjected to a water-repellent oil-repellent treatment and a smoothing agent treatment in the same manner as in Example 1.
Table 1 shows the amount of silicon detected by ESCA measurement of the obtained sewing thread, oiliness at the initial stage of processing, and oiliness after one month after processing.
＜実施例３＞
ミシン糸を次のように作製した。ポリエステルマルチフィラメント（２６５ｄｔｅｘ、１４４フィラメント）をかせ繰り機により５００ｇのかせとし、精練を実施した。そのかせ糸のＥＳＣＡ測定での珪素検出量は、０．４ａｔｏｍ％であった。次いで、そのかせ糸に実施例１および２と同様にはっ水はつ油処理を行った後、平滑剤として５ｗｔ％ポリアルキレングリコール系平滑剤（三洋化成工業社製 ５０ＨＢ−４００）浴に浸漬後、ウエットピックアップ２０ｗｔ％になるように絞り、その後１００℃で２時間乾燥させた。
得られたミシン糸のＥＳＣＡ測定での珪素検出量、加工初期はつ油度、加工後１ヶ月後のはつ油度を表１に示す。
<Example 3>
A sewing thread was produced as follows. Polyester multifilament (265 dtex, 144 filament) was squeezed with 500 g of skein using a skein machine. The amount of silicon detected by ESCA measurement of the skein was 0.4 atom%. Next, the skeined yarn was treated with water repellency in the same manner as in Examples 1 and 2, and then immersed in a 5 wt% polyalkylene glycol-based smoothing agent (50HB-400, Sanyo Chemical Industries Co., Ltd.) bath as a smoothing agent. Thereafter, the wet pick-up was squeezed to 20 wt%, and then dried at 100 ° C. for 2 hours.
Table 1 shows the amount of silicon detected by ESCA measurement of the obtained sewing thread, the oiliness at the initial stage of processing, and the oiliness at 1 month after processing.
＜実施例４＞
ミシン糸を次のように作製した。ポリエステルマルチフィラメント（２６５ｄｔｅｘ、１４４フィラメント）をかせ繰り機により５００ｇのかせとし、精練を実施した。そのかせ糸のＥＳＣＡ測定での珪素検出量は、５ａｔｏｍ％であった。次いで、そのかせ糸に、実施例３と同様に、はっ水はつ油処理および平滑剤処理を実施した。
得られたミシン糸のＥＳＣＡ測定での珪素検出量、加工初期はつ油度、加工後１ヶ月後のはつ油度を表１に示す。
<Example 4>
A sewing thread was produced as follows. Polyester multifilament (265 dtex, 144 filament) was squeezed with 500 g of skein using a skein machine. The amount of silicon detected by ESCA measurement of the skein was 5 atom%. The skeined yarn was then subjected to a water-repellent oil-repellent treatment and a smoothing agent treatment in the same manner as in Example 3.
Table 1 shows the amount of silicon detected by ESCA measurement of the obtained sewing thread, the oiliness at the initial stage of processing, and the oiliness at 1 month after processing.
＜参考例＞
かせ糸をはっ水はつ油処理するために、フッ素系はっ水はつ油剤である旭硝子株式会社製「ＡＧ−７１０５（ＰＦＯＡ含有）」を使用した以外は実施例１と同様の方法にてミシン糸を作製した。得られたミシン糸のＥＳＣＡによる珪素含有量、はつ油度および１ヶ月経過後のはつ油度をそれぞれ表１に示す。
<Reference example>
The same method as in Example 1 was used except that “AG-7105 (containing PFOA)” manufactured by Asahi Glass Co., Ltd., which is a fluorinated water-repellent oil-repellent agent, was used to treat the skeined yarn with water-repellent oil. A sewing thread was prepared. Table 1 shows the silicon content, oil repellency, and oil repellency after one month of the obtained sewing thread by ESCA.
＜比較例１＞
ミシン糸を次のように作製した。ポリエステル１００％紡績糸（＃１２０ ８０S/２）をかせ繰り機により５００ｇのかせとし、精練を実施した。そのかせ糸のＥＳＣＡ測定での珪素検出量は、１２ａｔｏｍ％であった。次いで、そのかせ糸に、実施例１と同様に、はっ水はつ油処理および平滑剤処理を実施した。
得られたミシン糸のＥＳＣＡ測定での珪素検出率、加工初期はつ油度、加工後１ヶ月後のはつ油度を表１に示す。
<Comparative Example 1>
A sewing thread was produced as follows. 100% polyester spun yarn (# 120 80 S / 2) was squeezed with 500 g of skein using a squeezing machine. The amount of silicon detected by ESCA measurement of the skein was 12 atom%. Then, the skeined yarn was subjected to a water-repellent oil-repellent treatment and a smoothing agent treatment in the same manner as in Example 1.
Table 1 shows the silicon detection rate of the obtained sewing thread by ESCA measurement, the oiliness at the initial stage of processing, and the oiliness at 1 month after processing.
＜比較例２＞
ミシン糸を次のように作製した。ポリエステル１００％紡績糸（＃１２０ ８０S/２）をかせ繰り機により５００ｇのかせとし、精練を実施した。そのかせ糸のＥＳＣＡ測定での珪素検出量は、１７ａｔｏｍ％であった。次いで、そのかせ糸に、実施例１と同様に、はっ水はつ油処理および平滑剤処理を実施した。
得られたミシン糸のＥＳＣＡ測定での珪素検出量、加工初期のはつ油度、加工後１ヶ月後のはつ油度を表１に示す。
<Comparative example 2>
A sewing thread was produced as follows. 100% polyester spun yarn (# 120 80 S / 2) was squeezed with 500 g of skein using a squeezing machine. The amount of silicon detected by ESCA measurement of the skein was 17 atom%. Then, the skeined yarn was subjected to a water-repellent oil-repellent treatment and a smoothing agent treatment in the same manner as in Example 1.
Table 1 shows the amount of silicon detected by ESCA measurement of the obtained sewing thread, the oiliness at the initial stage of processing, and the oiliness at 1 month after processing.
＜比較例３＞
はっ水はつ油剤にシリコン系はっ水はつ油剤（日華化学社製 ドライポン６００Ｅ）を使用した以外は、実施例１と同様とし、ミシン糸を得た。
得られたミシン糸のＥＳＣＡ測定での珪素検出量、加工初期のはつ油度、加工後１ヶ月後のはつ油度を表１に示す。
<Comparative Example 3>
A sewing thread was obtained in the same manner as in Example 1 except that a silicone water-repellent oil agent (Drypon 600E manufactured by Nikka Chemical Co., Ltd.) was used as the water-repellent oil agent.
Table 1 shows the amount of silicon detected by ESCA measurement of the obtained sewing thread, the oiliness at the initial stage of processing, and the oiliness at 1 month after processing.
表１から、実施例１〜４のミシン糸は、初期のはつ油性およびはつ油性の経時変化において良好であり、はつ油性の安定性に優れたはつ油性ミシン糸であることがわかる。それに対し、比較例１〜３のミシン糸は、初期のはつ油性および経時のはつ油性ともに劣る結果であることがわかる。 From Table 1, it can be seen that the sewing threads of Examples 1 to 4 are good in the initial oleophobicity and aging change of the oleophobicity, and are oleaginous sewing threads excellent in oleophobicity stability. . On the other hand, it can be seen that the sewing threads of Comparative Examples 1 to 3 are inferior in both the initial oil repellency and the oil repellency over time.
本発明のミシン糸は、はつ油性とはつ油性とが安定した優れたミシン糸であり、例えば、シェルター、衣服、手袋、靴下、靴、ヘルメット、カバー等の縫製に使用され、産業界に大いに寄与することができる。 The sewing thread of the present invention is an excellent sewing thread that is stable in oil repellency and oil repellency. For example, it is used for sewing shelters, clothes, gloves, socks, shoes, helmets, covers, etc. Can greatly contribute.
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| JP5920644B1 (en) * | 2015-02-26 | 2016-05-18 | 東洋紡株式会社 | Protective clothing material |
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| JPH11267244A (en) * | 1998-03-23 | 1999-10-05 | Toyobo Co Ltd | Protective clothing material for toxic gas |
| JP2010202999A (en) * | 2009-03-03 | 2010-09-16 | Toho Tenax Co Ltd | Acrylic carbon fiber precursor fiber bundle package and method for producing the same |
| JP2012031285A (en) * | 2010-07-30 | 2012-02-16 | Nicca Chemical Co Ltd | Water-and-oil repellant composition, functional textile product, and production method for functional textile product |
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