JPH06146170A - Method for improving and processing flame resistance of m-based aramid textile fabric - Google Patents
Method for improving and processing flame resistance of m-based aramid textile fabricInfo
- Publication number
- JPH06146170A JPH06146170A JP31571992A JP31571992A JPH06146170A JP H06146170 A JPH06146170 A JP H06146170A JP 31571992 A JP31571992 A JP 31571992A JP 31571992 A JP31571992 A JP 31571992A JP H06146170 A JPH06146170 A JP H06146170A
- Authority
- JP
- Japan
- Prior art keywords
- flame
- textile fabric
- temperature plasma
- fabric
- aramid fiber
- 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.)
- Pending
Links
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は，強い火勢に曝された場
合にも穴空き等の生じない防護性をメタ系アラミド繊維
布帛に付与する加工方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing method for imparting a protective property to a meta-aramid fiber cloth which does not cause perforation even when exposed to a strong fire.
【０００２】[0002]
【従来の技術】アラミド繊維は，優れた耐熱性，難燃
性，耐薬品性等の特長を有することから，防護素材とし
ての用途が広い。特にメタ系アラミド繊維は，これらの
特長に加えて衣料への適性にも優れていることから，防
護衣料に多用されている。2. Description of the Related Art Aramid fiber has a wide range of uses as a protective material because it has excellent heat resistance, flame retardancy and chemical resistance. In particular, meta-aramid fiber is widely used in protective clothing because of its excellent properties and suitability for clothing.
【０００３】しかしながら，耐熱性，難燃性に優れてい
るメタ系アラミド繊維もバーナーの炎のような火勢の強
い炎に曝されると熱収縮によって亀裂，穴空き現象を生
じ，その防護性が低下する。穴空きの原因となる熱収縮
の抑制はポリマーを改質する方法では有効な方法が見つ
かっておらず，メタ系アラミド繊維にパラ系アラミド繊
維を混用する方法で対応しているのが現状である。However, when the meta-aramid fiber, which is excellent in heat resistance and flame retardancy, is exposed to a strong flame such as a burner flame, it causes cracks and holes due to thermal contraction and its protective property. descend. No effective method has been found in the method of modifying the polymer to suppress the heat shrinkage that causes holes, but the present situation is to use the method of mixing para-aramid fiber with meta-aramid fiber. .
【０００４】[0004]
【発明が解決しようとする課題】本発明はこのような現
状に鑑みて行われたもので，パラ系アラミド繊維を混用
することなく，強い火勢の火災に曝されても，穴空きの
生じない高い防護性をメタ系アラミド繊維布帛に付与す
ることを目的とするものである。DISCLOSURE OF THE INVENTION The present invention has been made in view of such a situation as described above, and does not cause perforation even when exposed to a strong fire without mixing para-aramid fiber. It is intended to impart high protection properties to a meta-aramid fiber cloth.
【０００５】[0005]
【課題を解決するための手段】本発明は上記目的を達成
するもので，次の構成よりなるものである。The present invention achieves the above object and has the following structure.
【０００６】すなわち本発明は，メタ系アラミド繊維布
帛に予め低温プラズマ処理を施した後，シランカップリ
ング剤と燐系難燃剤を含有する分散液を付与して熱処理
を行い，ソーピングすることを特徴とするメタ系アラミ
ド繊維布帛の耐火炎性向上加工方法を要旨とするもので
ある。That is, the present invention is characterized in that the meta-aramid fiber cloth is preliminarily subjected to low-temperature plasma treatment, and then a dispersion liquid containing a silane coupling agent and a phosphorus-based flame retardant is applied and heat-treated for soaping. The gist is a method for improving the flame resistance of the meta-aramid fiber cloth.
【０００７】以下，本発明を詳細に説明する。The present invention will be described in detail below.
【０００８】本発明方法では，まず，メタ系アラミド繊
維布帛に，予め低温プラズマ処理を施す。In the method of the present invention, first, the meta-aramid fiber cloth is subjected to a low temperature plasma treatment in advance.
【０００９】本発明でいうメタ系アラミド繊維布帛と
は，ポリメタフェニレンイソフタルアミドからなる繊維
の長繊維または短繊維よりなる織物，編物，不織布等を
いう。The meta-aramid fiber cloth referred to in the present invention means a woven fabric, a knitted fabric, a non-woven fabric or the like made of long fibers or short fibers of polymetaphenylene isophthalamide.
【００１０】上記布帛に低温プラズマ処理を施すには，
低温プラズマ処理装置を用いて行うが，このとき使用さ
れる低温プラズマ処理装置は，低圧が維持できる真空容
器中に放電用の一対の電極を設け，特定のガスを所定流
量で導入でき，付設した真空ポンプで容器内を排気し，
一定圧に保つことができる構造と性能を有する装置であ
る。この装置内の電極に電圧を印加すればグロー放電を
起こし，導入したガスが低温プラズマ状態となる。最も
一般的には１３．５６ＭHzの高周波電力を印加する。電
極間に形成された低温プラズマ雰囲気中に処理すべき布
帛を所望の速度で通過させることにより，低温プラズマ
処理を行うことができる。To apply the low temperature plasma treatment to the above cloth,
The low-temperature plasma processing device is used, and the low-temperature plasma processing device used at this time is equipped with a pair of electrodes for discharge in a vacuum container capable of maintaining a low pressure so that a specific gas can be introduced at a predetermined flow rate. Evacuate the inside of the container with a vacuum pump,
It is a device that has a structure and performance capable of maintaining a constant pressure. When a voltage is applied to the electrodes in this device, glow discharge occurs and the introduced gas enters a low-temperature plasma state. Most commonly, high frequency power of 13.56 MHz is applied. The low temperature plasma treatment can be performed by passing the cloth to be treated at a desired speed in the low temperature plasma atmosphere formed between the electrodes.
【００１１】具体的には，処理すべき布帛を真空容器内
に収容し，真空ポンプにより排気減圧して内圧を０．０
１〜１０Torrに調整する。次いで所定のガスを導入して
０.1〜５Torrに調整する。このとき用いるガスとして
は，酸素，窒素，アルゴン，ヘリウム，アンモニア，空
気等，各種のガスを使用することができる。ここで電極
に高周波電力を印加すると，導入されたガスが低温プラ
ズマ状態となる。高周波電力は電極単位面積当り０．１
〜５Ｗ／cm2 程度が適当である。この低温プラズマ雰囲
気中に布帛を通過させることにより，低温プラズマ処理
を行うことができる。処理時間は，通常数秒〜３００
秒，好ましくは３０〜１８０秒である。Specifically, the cloth to be treated is housed in a vacuum container and exhausted by a vacuum pump to reduce the internal pressure to 0.0.
Adjust to 1-10 Torr. Then, a predetermined gas is introduced to adjust to 0.1 to 5 Torr. As the gas used at this time, various gases such as oxygen, nitrogen, argon, helium, ammonia and air can be used. When high frequency power is applied to the electrodes, the introduced gas becomes a low temperature plasma state. High frequency power is 0.1 per unit area of electrode
About 5 W / cm 2 is suitable. By passing the cloth through the low temperature plasma atmosphere, low temperature plasma treatment can be performed. Processing time is usually several seconds to 300
Seconds, preferably 30 to 180 seconds.
【００１２】低温プラズマで処理された布帛は，次にシ
ランカップリング剤と燐系難燃剤を含有する分散液が付
与される。The fabric treated with the low temperature plasma is then provided with a dispersion containing a silane coupling agent and a phosphorus flame retardant.
【００１３】ここで使用されるシランカップリング剤と
は，分子中に２個以上の異なった反応基をもつ有機硅素
単量体を意味し，２個の反応基の１つは無機質と化学結
合する反応基（メトキシ基，エトキシ基，シラノール基
等），もう１つの反応基は各種合成樹脂等の有機材料と
化学結合する反応基（ビニル基，エポキシ基，メタクリ
ル基，アミノ基，メルカプト基等）である。燐系難燃剤
としては，ジアルキルホスホノカルボキシリック酸アミ
ドやビニルホスホネートオリゴマー等の綿用耐久性難燃
加工剤を挙げることができ，具体的な市販品としては，
ピロバテックス−ＣＰ（チバガイギー社製）やホスコン
７６（明成化学工業株式会社製）を挙げることができ
る。The silane coupling agent used herein means an organic silicon monomer having two or more different reactive groups in a molecule, one of the two reactive groups is chemically bonded to an inorganic substance. Reactive group (methoxy group, ethoxy group, silanol group, etc.) and another reactive group that chemically bonds with organic materials such as various synthetic resins (vinyl group, epoxy group, methacryl group, amino group, mercapto group, etc.) ). Examples of phosphorus-based flame retardants include durable flame-retardant finishing agents for cotton such as dialkylphosphonocarboxylic acid amides and vinylphosphonate oligomers. Specific commercial products include:
Pyrovatex-CP (manufactured by Ciba Geigy) and Foscon 76 (manufactured by Meisei Chemical Co., Ltd.) can be mentioned.
【００１４】これらのシランカップリング剤と難燃剤を
含有する分散液はパディング法にて付与され，乾燥，熱
処理が行われる。熱処理は１５０〜１８０℃で１〜３分
が適当である。The dispersion containing the silane coupling agent and the flame retardant is applied by the padding method, dried and heat-treated. The heat treatment is suitable at 150 to 180 ° C. for 1 to 3 minutes.
【００１５】熱処理後，未固着の薬剤を除去するため，
水酸化ナトリウムや炭酸ナトリウム等を用いて通常のア
ルカリソーピングを行う。After the heat treatment, in order to remove the unfixed drug,
Normal alkaline soaping is performed using sodium hydroxide or sodium carbonate.
【００１６】以上の方法によって，メタ系アラミド繊維
布帛に高い耐火炎性が付与される。By the above method, high flame resistance is imparted to the meta-aramid fiber cloth.
【００１７】[0017]
【作 用】メタ系アラミド繊維布帛に低温プラズマ処理
を施すと，メタ系アラミド繊維の表面に親水基が導入さ
れて親水化され，樹脂加工時のヌレ性が向上し，樹脂皮
膜形成性が向上する。このような状態でシランカップリ
ング剤と燐系難燃剤を含有する分散液を付与すると，本
来反応基を持たないメタ系アラミド繊維にも燐系難燃剤
がシランカップリング剤を介して強固に結合し，シラン
カップリング剤による耐熱性向上効果もはたらいて，熱
収縮が生じる前に炭化が促進される結果，布帛の穴空き
が抑制されるようになる。[Operation] When low-temperature plasma treatment is applied to the meta-aramid fiber fabric, hydrophilic groups are introduced into the surface of the meta-aramid fiber and hydrophilized, improving wettability during resin processing and improving resin film formation. To do. When a dispersion containing a silane coupling agent and a phosphorus flame retardant is applied in this state, the phosphorus flame retardant is firmly bonded to the meta aramid fiber, which originally has no reactive group, through the silane coupling agent. However, the silane coupling agent also has an effect of improving heat resistance, and as a result of promoting carbonization before heat shrinkage, perforation of the fabric is suppressed.
【００１８】[0018]
【実施例】次に，本発明を実施例によってさらに具体的
に説明するが，実施例における布帛の性能の測定評価は
下記の方法で行った。 （１）耐火炎性 ブンゼンバーナーを用い，空気を供給して強い火勢の状
態で，火炎長を12cmに保ち，ノズルの上方９cmの位置に
試料を水平に３０秒間かざした後，取り去り，穴空きの
有無や表面形態を観察した。EXAMPLES Next, the present invention will be described in more detail by way of examples. The measurement and evaluation of the performance of the cloth in the examples was carried out by the following methods. (1) Flame resistance Using a Bunsen burner, keeping the flame length at 12 cm in a strong flame condition by supplying air, hold the sample horizontally at a position 9 cm above the nozzle for 30 seconds, then remove it and make a hole. The presence or absence and surface morphology were observed.
【００１９】実施例１ メタ系アラミド繊維織物（経，緯糸共４０番手双糸使
い，経密度１２５本／インチ，緯密度５７本／インチ）
を用意し，これに下記低温プラズマ処理条件１にて低温
プラズマ処理を行った。Example 1 Meta-aramid fiber woven fabric (both warp and weft yarns are 40 count twin yarns, warp density 125 yarns / inch, weft density 57 yarns / inch)
Was prepared and subjected to low temperature plasma treatment under the following low temperature plasma treatment condition 1.
【００２０】低温プラズマ処理条件１ ガス種 酸 素 ガス流量 ０．２リットル／分 圧 力 １．０Torr 高周波電力 ５００Ｗ 処理時間 １ 分Low-temperature plasma treatment conditions 1 Gas species Oxygen gas flow rate 0.2 liters / minute Pressure force 1.0 Torr High frequency power 500 W Treatment time 1 minute
【００２１】次に，低温プラズマ処理されたメタ系アラ
ミド繊維織物を下記処方１の分散液に浸漬し，絞り率７
０％にてマングルで絞液した。Next, the low temperature plasma-treated meta-aramid fiber woven fabric was dipped in a dispersion liquid of the following formulation 1 to obtain a drawing ratio of 7
The solution was squeezed with a mangle at 0%.
【００２２】 処方１ ピロバテックス−ＣＰ ２５０ｇ／リットル （燐系難燃剤，チバガイギー社製） スミテックスレジンＭ−６ ７０ｇ／リットル （メラミン樹脂，住友化学工業株式会社製） レペロンＯＰＣ ２０ｇ／リットル （柔軟剤，里田化学株式会社製） リン酸（８５％） ２０ｇ／リットル ＫＢＭ４０３ １５０ｇ／リットル （シランカップリング剤，信越化学工業株式会社製）Formulation 1 Pirovatex-CP 250 g / liter (phosphorus flame retardant, manufactured by Ciba Geigy) Sumitex Resin M-6 70 g / liter (melamine resin, manufactured by Sumitomo Chemical Co., Ltd.) Reperon OPC 20 g / liter (softening agent, Satoda Chemical Co., Ltd.) Phosphoric acid (85%) 20 g / l KBM403 150 g / l (silane coupling agent, Shin-Etsu Chemical Co., Ltd.)
【００２３】続いて１１０℃で２分間乾燥後，１６０℃
で３分間熱処理した。最後に，炭酸ナトリウム２ｇ／リ
ットルの水溶液を用いて８０℃で１０分間のソーピング
を行い，本発明の耐火炎性加工布を得た。Then, after drying at 110 ° C. for 2 minutes, 160 ° C.
And heat treated for 3 minutes. Finally, soaping was performed at 80 ° C. for 10 minutes using an aqueous solution of sodium carbonate 2 g / liter to obtain a flame-resistant processed cloth of the present invention.
【００２４】本発明との比較のため，本実施例において
低温プラズマ処理工程を省くほかは，本実施例と全く同
一の方法により，比較用の加工布（比較例１）を得た。For comparison with the present invention, a comparative work cloth (Comparative Example 1) was obtained in the same manner as in this Example except that the low temperature plasma treatment step was omitted in this Example.
【００２５】また，本発明との比較のため，本実施例に
おいて低温プラズマ処理工程を省き，さらに処方１にお
いてＫＢＭ４０３を省略するほかは，本実施例と全く同
一の方法により比較用の加工布（比較例２）を得た。For comparison with the present invention, a work cloth for comparison (comparative work cloth was prepared in the same manner as in this embodiment, except that the low temperature plasma treatment step was omitted in this embodiment and KBM403 was omitted from the prescription 1. Comparative example 2) was obtained.
【００２６】本発明および比較例１の加工布の性能を評
価し，その結果を表１に示した。The performance of the work cloths of the present invention and Comparative Example 1 was evaluated, and the results are shown in Table 1.
【００２７】[0027]
【表１】 [Table 1]
【００２８】表１より明らかな如く，本発明の加工布は
火炎貫通穴は生じておらず，生地の炭化のみにとどまっ
ており，優れた耐火炎性を有していることがわかる。As is clear from Table 1, the processed cloth of the present invention has no flame through holes and is only carbonized in the cloth, and has excellent flame resistance.
【００２９】[0029]
【発明の効果】本発明方法によれば，強い火勢の火炎に
曝された場合にもメタ系アラミド繊維布帛に穴空きの生
じない高い防護性を付与することができる。EFFECTS OF THE INVENTION According to the method of the present invention, it is possible to impart high protection to the meta-aramid fiber cloth without perforation even when it is exposed to a strong flame.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｄ０６Ｍ 15/687 // Ｄ０６Ｍ 101:36 Ｄ０６Ｍ 13/50 15/687 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Internal reference number FI Technical display location D06M 15/687 // D06M 101: 36 D06M 13/50 15/687
Claims (1)
ラズマ処理を施した後，シランカップリング剤と燐系難
燃剤を含有する分散液を付与して熱処理を行い，ソーピ
ングすることを特徴とするメタ系アラミド繊維布帛の耐
火炎性向上加工方法。1. A meta-aramid fiber cloth is subjected to low-temperature plasma treatment in advance, and then a dispersion containing a silane coupling agent and a phosphorus-based flame retardant is applied to the meta-aramid fiber cloth for heat treatment and soaping. A method for improving the flame resistance of a meta-aramid fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31571992A JPH06146170A (en) | 1992-10-30 | 1992-10-30 | Method for improving and processing flame resistance of m-based aramid textile fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31571992A JPH06146170A (en) | 1992-10-30 | 1992-10-30 | Method for improving and processing flame resistance of m-based aramid textile fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06146170A true JPH06146170A (en) | 1994-05-27 |
Family
ID=18068719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31571992A Pending JPH06146170A (en) | 1992-10-30 | 1992-10-30 | Method for improving and processing flame resistance of m-based aramid textile fabric |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06146170A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008208511A (en) * | 2007-01-29 | 2008-09-11 | Evonik Degussa Gmbh | Ceramic membranes with improved adhesion to plasma-treated polymeric supporting material and production and use |
| JP2010525187A (en) * | 2007-04-23 | 2010-07-22 | スリーエム イノベイティブ プロパティズ カンパニー | Fibrous article having one or more polyelectrolyte layers thereon and method for making the same |
| CN102828408A (en) * | 2012-09-20 | 2012-12-19 | 苏州大学 | Inflaming retarding system and preparation method of inflaming-retarding real silk |
| CN106400461A (en) * | 2016-10-17 | 2017-02-15 | 新乡市新科防护科技有限公司 | Method for improving illumination fastness of THPC flame-retardant fabric |
| CN106436309A (en) * | 2016-10-17 | 2017-02-22 | 新乡市新科防护科技有限公司 | Production method of flame-retardant and antibacterial cotton-linen blended fabric |
-
1992
- 1992-10-30 JP JP31571992A patent/JPH06146170A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008208511A (en) * | 2007-01-29 | 2008-09-11 | Evonik Degussa Gmbh | Ceramic membranes with improved adhesion to plasma-treated polymeric supporting material and production and use |
| JP2010525187A (en) * | 2007-04-23 | 2010-07-22 | スリーエム イノベイティブ プロパティズ カンパニー | Fibrous article having one or more polyelectrolyte layers thereon and method for making the same |
| CN102828408A (en) * | 2012-09-20 | 2012-12-19 | 苏州大学 | Inflaming retarding system and preparation method of inflaming-retarding real silk |
| CN106400461A (en) * | 2016-10-17 | 2017-02-15 | 新乡市新科防护科技有限公司 | Method for improving illumination fastness of THPC flame-retardant fabric |
| CN106436309A (en) * | 2016-10-17 | 2017-02-22 | 新乡市新科防护科技有限公司 | Production method of flame-retardant and antibacterial cotton-linen blended fabric |
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