JP5937633B2 - Flame retardant stretch fabric and clothing using the same - Google Patents

Flame retardant stretch fabric and clothing using the same Download PDF

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JP5937633B2
JP5937633B2 JP2014057905A JP2014057905A JP5937633B2 JP 5937633 B2 JP5937633 B2 JP 5937633B2 JP 2014057905 A JP2014057905 A JP 2014057905A JP 2014057905 A JP2014057905 A JP 2014057905A JP 5937633 B2 JP5937633 B2 JP 5937633B2
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stretch fabric
flame retardant
yarn
fibers
flame
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JP2014208930A (en
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雅信 高橋
雅信 高橋
小島　賢二
賢二 小島
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Japan Wool Textile Co Ltd
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Japan Wool Textile Co Ltd
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic

Description

本発明は、アラミド繊維と弾性繊維を含む難燃ストレッチ織物及びこれを用いた衣類に関する。   The present invention relates to a flame retardant stretch fabric containing aramid fibers and elastic fibers, and a garment using the same.

作業服、ユニホームなどの衣類は難燃性とストレッチ性が要求される場合がある。難燃性はボイラー、ガスなどの高温物質を取り扱う工場などでは必須であり、ストレッチ性は作業性の向上のために必要である。本出願人はウールと難燃レーヨンと難燃アクリルからなる混紡糸を使用した織物とこれを用いた作業服を特許文献１で提案している。特許文献２には弾性繊維を芯とし、ウールなどの短繊維と合成繊維マルチフィラメントの鞘繊維でカバーリングした複合紡績糸が提案されている。特許文献３には獣毛繊維糸と常圧可染ポリエステル繊維糸との交撚糸で構成される衣類が提案されている。   Work clothes and uniforms may require flame retardancy and stretchability. Flame retardancy is essential in factories that handle high-temperature substances such as boilers and gases, and stretchability is necessary to improve workability. The present applicant has proposed a woven fabric using a blended yarn made of wool, flame retardant rayon and flame retardant acrylic and work clothes using the same. Patent Document 2 proposes a composite spun yarn having an elastic fiber as a core and covered with a short fiber such as wool and a sheath fiber of a synthetic fiber multifilament. Patent Document 3 proposes a garment composed of a twisted yarn of animal hair fiber yarn and normal pressure dyeable polyester fiber yarn.

従来の難燃織物及びこれを用いた衣類は難燃性に問題があり、さらに高い難燃性が求められている。難燃性を高くするにはアラミド繊維などの耐熱性繊維を混紡する手段がある。しかし、アラミド繊維を混紡すると、ピリング性が低くなるという新たな問題が発生する。これは、アラミド繊維は他の混紡繊維に比べて強度が高く、毛玉(ピル)が発生しても脱落しないからである。毛玉(ピル)が発生すると品位に欠ける問題がある。   Conventional flame retardant fabrics and clothing using the same have a problem in flame retardancy, and higher flame retardancy is required. In order to increase the flame retardancy, there is a means of blending heat resistant fibers such as aramid fibers. However, when aramid fibers are blended, a new problem that the pilling property is lowered occurs. This is because aramid fibers have higher strength than other blended fibers and do not fall off even when pills are generated. When pills occur, there is a problem of lack of quality.

特開２００８−２０８５０９号公報JP 2008-208509 A 特開２０１０−２０９４８７号公報JP 2010-209487 A 特開平１０−０７７５４２号公報JP-A-10-077752

本発明は前記従来の問題を解決するため、強度と難燃性が高く、ピリングが発生しにくく、品位を高く維持できる難燃ストレッチ織物及びこれを用いた衣類を提供する。   In order to solve the above-mentioned conventional problems, the present invention provides a flame retardant stretch fabric that has high strength and flame retardancy, is less likely to cause pilling, and can maintain high quality, and a garment using the same.

本発明の難燃ストレッチ織物は、アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸を経糸とし、アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸と弾性繊維糸を一体的に撚った合撚糸を緯糸とした難燃ストレッチ織物であって、前記緯糸の混紡紡績糸のアラミド繊維混率は、経糸の混紡紡績糸のアラミド繊維混率に比べて相対的に低いことを特徴とする。   The flame retardant stretch fabric of the present invention uses a blended spun yarn containing aramid fibers, other fibers and antistatic fibers as a warp, and a blended spun yarn containing aramid fibers, other fibers and antistatic fibers and an elastic fiber yarn are integrated. It is a flame retardant stretch fabric using a twisted yarn twisted as a weft yarn, characterized in that the blended spun yarn of the weft yarn has a relatively low aramid fiber blending rate compared to the blended spun yarn of the warp yarn. To do.

本発明の衣類は、前記の難燃ストレッチ織物を縫製したものである。   The garment of the present invention is obtained by sewing the flame retardant stretch fabric.

本発明の難燃ストレッチ織物は、アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸を経糸とし、アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸と弾性繊維糸を一体的に撚った合撚糸を緯糸とし、前記緯糸の混紡紡績糸のアラミド繊維混率は、経糸の混紡紡績糸のアラミド繊維混率に比べて相対的に低いことにより、織物が収縮して緯糸が大きく屈曲しても、緯糸中のアラミド繊維混率が低い分、ピリングが発生しにくくなり、織物の品位を高く維持できる。この性質は衣類に縫製した後も同様であり、摩擦によるピリングが発生しにくくなり、衣類の品位を高く維持できる。加えて、アラミド繊維を混紡していることにより強度と難燃性を高く維持し、緯糸に弾性繊維を使用していることによりヨコ方向にストレッチ性を与えて人体の動きを阻害しない衣類とすることができる。   The flame retardant stretch fabric of the present invention uses a blended spun yarn containing aramid fibers, other fibers and antistatic fibers as a warp, and a blended spun yarn containing aramid fibers, other fibers and antistatic fibers and an elastic fiber yarn are integrated. The weft yarn is a twisted yarn and the aramid fiber mixing ratio of the mixed spun yarn of the weft is relatively lower than the aramid fiber mixing ratio of the warp mixed spun yarn. Even so, since the aramid fiber mixing ratio in the weft is low, pilling is less likely to occur, and the quality of the fabric can be maintained high. This property is the same after sewing on clothing, and pilling due to friction is less likely to occur, and the quality of clothing can be maintained high. In addition, the blend of aramid fibers maintains high strength and flame retardancy, and the use of elastic fibers in the wefts gives stretch in the horizontal direction and makes the clothing not hindering the movement of the human body. be able to.

図１Ａは本発明の一実施例の織物を模式的に示す断面図、図１Ｂは同織物が収縮したときの模式的断面図である。FIG. 1A is a cross-sectional view schematically showing a fabric of one embodiment of the present invention, and FIG. 1B is a schematic cross-sectional view when the fabric is contracted. 図２Ａは本発明の別の実施例の織物を模式的に示す断面図、図２Ｂは同織物が収縮したときの模式的断面図である。FIG. 2A is a cross-sectional view schematically showing a fabric of another embodiment of the present invention, and FIG. 2B is a schematic cross-sectional view when the fabric is contracted. 図３は本発明の一実施例における弾性繊維糸を一体的に撚った合撚糸の模式的説明図である。FIG. 3 is a schematic explanatory view of a twisted yarn obtained by integrally twisting elastic fiber yarns in one embodiment of the present invention.

本発明は、次のような着想から生まれ完成したものである。難燃性を高めるためにはアラミド繊維を混紡するのが好ましく、人体の動きを阻害させないためにはヨコ方向に弾性繊維を伸長させた状態で製織することが好ましい。しかし、ヨコ方向に弾性繊維を伸長させた状態で製織すると、織物にした後、緊張状態をほどいてフリーにしたときヨコ方向に織物が収縮する。織物がヨコ方向に収縮すると緯（ヨコ）糸が大きく屈曲して突出し、摩擦を受けるとこの突出部の先端でピリングが発生しやすくなり、織物の品位を低下させてしまうことがわかった。   The present invention has been born and completed from the following ideas. In order to increase the flame retardancy, it is preferable to blend aramid fibers, and in order not to inhibit the movement of the human body, it is preferable to weave the elastic fibers in a state where they are stretched in the horizontal direction. However, when weaving in a state where the elastic fibers are stretched in the horizontal direction, the fabric is contracted in the horizontal direction when the tension is released by releasing the tension after making the fabric. It has been found that when the fabric shrinks in the horizontal direction, the weft yarns are greatly bent and protruded, and when subjected to friction, pilling is likely to occur at the tip of the protruding portion, thereby reducing the quality of the fabric.

この現象を図面により説明する。図１Ａは本発明の一実施例の平組織の織物を模式的に示す断面図、図１Ｂは同織物が収縮したときの模式的断面図である。織物１は経糸２と緯糸３で構成され、織機上では図１Ａに示すように緯糸３は伸長（ドラフト）させた状態に保持される。経糸２は一例として４７００本である。織機で織物が製織された後、織物生地は反物としてロールに巻かれるが、染色や高次加工、縫製の際には織物はフリーの状態になる。この状態を図１Ｂに示す。織機上の織物幅Ｌ0はフリーの状態ではＬ1まで収縮する。そうすると緯（ヨコ）糸が大きく屈曲して突出し、摩擦を受けるとこの突出部の先端でピリング４が発生する。Ｌ1／Ｌ0は７６〜８４％が好ましい。 This phenomenon will be described with reference to the drawings. FIG. 1A is a cross-sectional view schematically showing a plain fabric of one embodiment of the present invention, and FIG. 1B is a schematic cross-sectional view when the fabric is contracted. The woven fabric 1 is composed of warp yarns 2 and weft yarns 3. On the loom, as shown in FIG. 1A, the weft yarns 3 are held in a stretched (drafted) state. As an example, the number of warps 2 is 4,700. After the woven fabric is woven by the loom, the fabric is wound as a fabric on a roll, but the fabric becomes free during dyeing, high-order processing and sewing. This state is shown in FIG. 1B. The fabric width L 0 on the loom shrinks to L 1 in the free state. Then, the weft yarn is bent and protrudes greatly, and when it receives friction, a pilling 4 is generated at the tip of the protrusion. L 1 / L 0 is preferably 76 to 84%.

図２Ａは本発明の別の実施例の２／２綾組織の織物を模式的に示す断面図、図２Ｂは同織物が収縮したときの模式的断面図である。織物５は経糸６ａ，６ｂと緯糸７で構成され、図１Ａ，Ｂと同様に織機上の織物幅Ｌ0はフリーの状態になるとＬ1まで収縮し、緯（ヨコ）糸が大きく屈曲して突出し、摩擦を受けるとこの突出部の先端でピリング８が発生する。 FIG. 2A is a cross-sectional view schematically showing a fabric having a 2/2 twill structure according to another embodiment of the present invention, and FIG. 2B is a schematic cross-sectional view when the fabric is contracted. Fabric 5 is formed of a warp 6a, 6b and weft yarns 7, FIG. 1A, the fabric width L 0 on like the B loom is contracted to L 1 becomes in a free state, the weft (transverse) yarns are greatly bent When protruding and subjected to friction, pilling 8 is generated at the tip of the protruding portion.

本発明の難燃ストレッチ織物は、前記のように織物が収縮して緯糸が大きく屈曲しても、緯糸中のアラミド繊維混率が低い分、ピリングが発生しにくくなり、織物の品位を高く維持できる。緯糸の混紡紡績糸のアラミド繊維混率は、経糸の混紡紡績糸のアラミド繊維混率に比べて１５質量％以上低いことが好ましく、さらには２０質量％以上が好ましく、さらに好ましくは２５質量％以上である。   In the flame-retardant stretch fabric of the present invention, even when the fabric shrinks and the weft is greatly bent as described above, the amount of the aramid fibers in the weft is low, so that pilling is less likely to occur and the quality of the fabric can be maintained high. . The blend ratio of the aramid fibers of the blended spun yarn of the weft is preferably 15% by mass or more, more preferably 20% by mass or more, and more preferably 25% by mass or more, compared with the aramid fiber blend ratio of the warp blended spun yarn. .

本発明において、その他の繊維はウール、難燃レーヨン、難燃アクリル及びポリエステルから選ばれる少なくとも一つの繊維が好ましい。その他の繊維を加えるのは着心地を良くするためとコスト低減のためである。アラミド繊維だけでは着心地は良くなく、コストも高い問題がある。   In the present invention, the other fibers are preferably at least one fiber selected from wool, flame retardant rayon, flame retardant acrylic and polyester. The other fibers are added for better comfort and cost reduction. Aramid fibers alone are not comfortable and costly.

各繊維の混率は、難燃ストレッチ織物を１００質量％としたとき、下記の範囲が好ましい。下記の範囲であれば、強度と難燃性とストレッチ性、着心地及びコストを満足できる。
（１）m-アラミド繊維：５０〜８０質量％
（２）p-アラミド繊維：０〜５質量％
（３）その他の繊維：１０〜４５質量％
（４）制電繊維：０．１〜１質量％
（５）弾性繊維：１．５〜４質量％ The mixing ratio of each fiber is preferably in the following range when the flame-retardant stretch fabric is 100% by mass. Within the following ranges, the strength, flame retardancy, stretchability, comfort and cost can be satisfied.
(1) m-aramid fiber: 50-80% by mass
(2) p-aramid fiber: 0 to 5% by mass
(3) Other fibers: 10 to 45% by mass
(4) Antistatic fiber: 0.1 to 1% by mass
(5) Elastic fiber: 1.5-4% by mass

難燃ストレッチ織物の難燃性は、JIS L 1091 A-4法試験における１２秒接炎で炭火長１５ｃｍ以下が好ましく、さらに好ましくは１０ｃｍ以下である。残炎・残塵は２秒以下が好ましく、さらに好ましくは１秒以下である。前記であれば難燃性を満足する。   The flame retardancy of the flame retardant stretch fabric is preferably a charcoal fire length of 15 cm or less, more preferably 10 cm or less, with 12-second flame contact in a JIS L 1091 A-4 method test. The after flame / dust is preferably 2 seconds or shorter, more preferably 1 second or shorter. If it is the said, flame retardance is satisfied.

難燃ストレッチ織物のストレッチ性は、JIS L 1096 B法試験におけるヨコ伸長率９％以上が好ましく、さらに好ましくは１２％以上である。前記であればストレッチ性を満足する。   The stretchability of the flame retardant stretch fabric is preferably 9% or more, more preferably 12% or more, in the horizontal elongation rate in the JIS L 1096 B method test. If it is the above, the stretchability is satisfied.

難燃ストレッチ織物のピリング性は、JIS L 1076 A(コルク)法において３０時間で３級以上が好ましく、さらに好ましくは２０時間で３−４級以上である。前記であれば作業服などにおいてはピリング性を満足し、品位の低下を防止できる。現行品はほとんどが３０時間で１級である。   The pilling property of the flame retardant stretch fabric is preferably grade 3 or higher in 30 hours in the JIS L 1076 A (cork) method, more preferably grade 3 or higher in 20 hours. If it is the said, pilling property is satisfied in work clothes etc., and the fall of quality can be prevented. Most current products are first grade in 30 hours.

本発明で使用する合撚糸は、紡績糸２本と弾性繊維糸１本を一体的に撚った合撚糸が好ましい。図面で説明すると、図３は本発明の一実施例における弾性繊維糸を一体的に撚った合撚糸の模式的説明図である。この合撚糸９は、アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸１０ａ，１０ｂと弾性繊維糸１１を一体的に撚った糸である。一体的に撚る際には、弾性繊維糸１１を１．５〜３．０倍伸長（ドラフト）しながら撚るのが好ましい。弾性糸としては、例えばオペロンテックス社製、商品名“ライクラ”（エーテル系ポリウレタン糸）、日清紡社製、商品名“モビロン” （ポリエステル系ポリウレタン糸）等がある。   The twisted yarn used in the present invention is preferably a twisted yarn obtained by integrally twisting two spun yarns and one elastic fiber yarn. If it demonstrates in drawing, FIG. 3 is typical explanatory drawing of the twisted yarn which integrally twisted the elastic fiber yarn in one Example of this invention. The twisted yarn 9 is a yarn in which the mixed spun yarns 10a and 10b including an aramid fiber, other fibers, and antistatic fibers and the elastic fiber yarn 11 are integrally twisted. When integrally twisting, it is preferable to twist the elastic fiber yarn 11 while stretching (drafting) the elastic fiber yarn 11 by 1.5 to 3.0 times. Examples of the elastic yarn include a product name “Lycra” (ether polyurethane yarn) manufactured by Operontex, a product name “Mobilon” (polyester polyurethane yarn) manufactured by Nisshinbo.

本発明の衣類は、前記の難燃ストレッチ織物を縫製した衣類である。衣類としては作業着、ユニホームなど、難燃性とストレッチ性が求められる衣類であれば適用できる。   The garment of the present invention is a garment obtained by sewing the flame-retardant stretch fabric. Applicable clothing is clothing such as work clothes and uniforms that require flame retardancy and stretchability.

ウールを用いる場合は、ウールを難燃化してもよい。難燃化はIWS(国際羊毛事務局)が開発したザプロ(ZIRPRO)加工が好ましい。ザプロ(ZIRPRO)加工は、酸性（ｐＨ３以下）において、チタニウムあるいはジルコニウムのアニオン性錯塩化合物を６０〜７０℃でウールに結合させ、ウールが元来持っている難燃性をさらに高める加工のことである。樹脂加工ではないので、ウールの優れた風合い損なうこともない。本発明においてはジルコニウムのアニオン性錯塩化合物を使用するのが好ましい。変色を伴わないからである。チタニウム化合物は安価であるが黄色変色を伴う場合がある。   If wool is used, the wool may be flame retardant. The flame retardant is preferably ZIRPRO processing developed by IWS (International Wool Secretariat). ZIRPRO processing is a process in which an anionic complex compound of titanium or zirconium is bonded to wool at 60-70 ° C in acidity (pH 3 or lower) to further increase the inherent flame retardancy of wool. is there. Since it is not resin processing, the excellent texture of wool is not lost. In the present invention, it is preferable to use an anionic complex compound of zirconium. This is because there is no discoloration. Titanium compounds are inexpensive but may be accompanied by yellow discoloration.

本発明の織物は、平織、綾織（斜文織）、朱子織など任意の組織を採用できる。   As the woven fabric of the present invention, any structure such as plain weave, twill weave (oblique weave), satin weave can be adopted.

本発明の織編物の経糸の紡績糸は双糸が好ましい。双糸とは２本の単糸を撚り合わせた糸である。双糸を使う理由は、製織時の張力に耐える強度を付与するとともに、単糸の持つ太さムラを相殺させ、目風をきれいにするためである。   The warp spun yarn of the woven or knitted fabric of the present invention is preferably a double yarn. A twin yarn is a yarn in which two single yarns are twisted together. The reason for using the double yarn is to give the strength to withstand the tension during weaving, to offset the uneven thickness of the single yarn, and to clean the eyes.

本発明の経糸及び緯糸に使用する双糸の好ましい繊度は２５０〜８３３dtex（１２〜４０メートル番手双糸、２／２４〜２／８０と表示）である。また、織物の好ましい目付けは１５０〜３８０ｇ／ｍ2である。 The preferred fineness of the double yarn used for the warp and weft of the present invention is 250 to 833 dtex (12 to 40 meter count double yarn, indicated as 2/24 to 2/80). Moreover, the preferable fabric weight of a textile fabric is 150-380 g / m < 2 >.

以下、実施例を用いてさらに具体的に説明する。本発明の実施例、比較例における測定方法は次のとおりとした。
（１）織物強伸度
ＪＩＳ Ｌ １０９６Ａ法に従って測定した。
（２）ピリング性
ＪＩＳ Ｌ １０７６Ａ（ＩＣＩ コルク）法に従って測定した。
（３）ストレッチ性
ＪＩＳ Ｌ １０９６Ｂ法に従って測定した。
（４）難燃性（燃焼性）
難燃性は、ＪＩＳＬ １０９１ Ａ−４に従って測定した。
（５）その他の物性
ＪＩＳ又は業界規格にしたがって測定した。 Hereinafter, more specific description will be made using examples. The measurement methods in Examples and Comparative Examples of the present invention were as follows.
(1) Textile strength and elongation Measured according to the JIS L 1096A method.
(2) Pilling property Measured according to JIS L 1076A (ICI cork) method.
(3) Stretching property Measured according to JIS L 1096B method.
(4) Flame resistance (flammability)
Flame retardancy was measured according to JISL 1091 A-4.
(5) Other physical properties Measured according to JIS or industry standards.

（実施例１〜８）
１．混紡紡績糸の製造
（１）経糸用紡績糸
ｍ−アラミド繊維として帝人社製、商品名“コーネックス”（単繊維繊度３．３deci tex，繊維長
７６〜１０２mm）９４．５質量％ と、ｐ−アラミド繊維として帝人社製、商品名“テクノーラ”（単繊維繊度１．７deci tex，繊維長６４〜８９mm）５．０質量％と、制電繊維としてクラレ製、商品名“クラカーボ” （単繊維繊度３．３deci tex，繊維長７６mm）０．５質量％を混紡して繊度３３３dtex（６０メートル番手双糸、２／６０と表示）の混紡糸を得た。この混紡糸の双糸撚りはＳ撚り９６０回／ｍ，単糸撚りはＺ撚り８００回／ｍとした。
（２）緯糸用紡績糸
ｍ−アラミド繊維として帝人社製、商品名“コーネックス”（単繊維繊度３．３deci tex，繊維長
７６〜１０２mm）６４．５質量％ と、ｐ−アラミド繊維として帝人社製、商品名“テクノーラ”（単繊維繊度１．７deci tex，繊維長６４〜８９mm）５．０質量％と、その他の繊維としてポリエステル(PET)繊維（単繊維繊度３．３deci tex，繊維長７６〜１０２mm）３０．０質量％と、制電繊維としてクラレ製、商品名“クラカーボ”（単繊維繊度３．３deci tex，繊維長７６mm）０．５質量％を混紡して繊度１６６．５dtex（６０メートル番手単糸、１／６０と表示）の混紡糸を得た。この混紡糸の撚り方向と撚り数はＺ撚り８００回／ｍとした。 (Examples 1-8)
1. Manufacture of blended spun yarn (1) Spun yarn for warp manufactured by Teijin Ltd., trade name “Conex” (single fiber fineness 3.3 deci tex, fiber length 76 to 102 mm) 94.5% by mass, p -Product name "Technola" (single fiber fineness 1.7 deci tex, fiber length 64 to 89mm) 5.0% by mass as aramid fiber, Kuraray as the antistatic fiber, product name "crabobo" (single fiber A blended yarn having a fineness of 3.3 deci tex and a fiber length of 76 mm (0.5% by mass) was blended to obtain a blended yarn having a fineness of 333 dtex (indicated as 60 meter count double yarn, indicated as 2/60). The twin yarn twist of this blended yarn was S 960 times / m, and the single yarn twist was Z twist 800 times / m.
(2) Spun yarn for weft made by Teijin as m-aramid fiber, trade name “Conex” (single fiber fineness 3.3 deci tex, fiber length 76-102 mm) 64.5% by mass and T-jin as p-aramid fiber Product name “Technola” (single fiber fineness 1.7 deci tex, fiber length 64 to 89 mm) 5.0% by mass and other fibers as polyester (PET) fiber (single fiber fineness 3.3 deci tex, fiber length) 76% to 102 mm) and 30.0% by mass of Kuraray as antistatic fiber, trade name “Kura Carbo” (single fiber fineness 3.3 deci tex, fiber length 76 mm) 0.5% by mass is blended to obtain a fineness of 166.5 dtex ( 60 meter count single yarn, indicated as 1/60). The twist direction and the number of twists of this blended yarn were Z twist 800 times / m.

２．緯糸用合撚糸の製造
弾性糸としてオペロンテックス社製、商品名“ライクラ”（エーテル系ポリウレタン糸）、４４deci tex,１本と前記緯糸用紡績糸として製造した混紡紡績糸２本とを合撚した。ライクラは１．５〜３．０倍のドラフトをして合撚した。この合撚糸の撚り方向と撚り数はＳ撚り９６０回／ｍとした。 2. Manufacture of intertwisted yarn for weft Yarn made by Operontex as an elastic yarn, trade name “Lycra” (ether polyurethane yarn), 44 deci tex, one and two blended spun yarns manufactured as spun yarn for the weft . The lycra was drafted 1.5 to 3.0 times and twisted. The twist direction and the number of twists of this twisted yarn were S twists of 960 times / m.

３．織物の製造
前記経糸と緯糸を用いて織物を製造した。織物組織は平組織と２／２綾組織とした。条件と結果を表１〜２にまとめて示す。 3. Fabric production A fabric was produced using the warp and weft. The fabric structure was a plain structure and a 2/2 twill structure. Conditions and results are summarized in Tables 1-2.

Figure 0005937633
Figure 0005937633

Figure 0005937633
Figure 0005937633

表１〜２に示す通り、本発明の各実施例品はピリングが３級以上であり、織物の品位を高く維持できる。この性質は衣類に縫製した後も同様であり、摩擦によるピリングが発生しにくくなり、衣類の品位を高く維持できる。また強度と難燃性を高く維持し、緯糸に弾性繊維を使用したことにより、ヨコ方向にストレッチ性を与えて人体の動きを阻害しない織物であることが確認できた。   As shown in Tables 1 and 2, each example product of the present invention has a pilling grade of 3 or higher, and can maintain a high quality fabric. This property is the same after sewing on clothing, and pilling due to friction is less likely to occur, and the quality of clothing can be maintained high. Moreover, it was confirmed that the woven fabric does not hinder the movement of the human body by imparting stretchability in the horizontal direction by maintaining the strength and flame retardancy at a high level and using elastic fibers for the weft.

（比較例１）
綾組織織物として、ヨコ伸度が高く、ピリング試験の結果も良好であった実施例６と比較するため、経糸用紡績糸と緯糸用紡績糸の繊維混率を均一とした。緯糸の弾性糸ドラフト倍率は２．５倍とし、実施例６と同様に綾組織織物を製織した。織物としての繊維混率は、m-アラミド77.0質量％,p-アラミド5.0質量％, PET14.9質量％,弾性繊維2.6質量％,制電繊維0.5質量％であった。得られた織物の目付、強伸度、ストレッチ性、難燃性（燃焼性）はほぼ実施例６と同一であったが、ピリング試験は３０時間で１級であり、好ましい織物とはならなかった。 (Comparative Example 1)
As a twill woven fabric, the fiber mixing ratio of the warp spun yarn and the weft spun yarn was made uniform for comparison with Example 6 in which the horizontal elongation was high and the result of the pilling test was also good. An elastic yarn draft magnification of the weft was 2.5 times, and a twilled woven fabric was woven in the same manner as in Example 6. The fiber mixing ratio of the woven fabric was 77.0% by mass of m-aramid, 5.0% by mass of p-aramid, 14.9% by mass of PET, 2.6% by mass of elastic fiber, and 0.5% by mass of antistatic fiber. Although the fabric weight, strength, stretchability, and flame retardancy (flammability) of the obtained woven fabric were almost the same as those in Example 6, the pilling test was first grade in 30 hours and did not become a preferred woven fabric. It was.

（実施例９〜１１）
ポリエステル繊維を下記のウール、難燃レーヨン、難燃アクリルにそれぞれ置き換えた以外は実施例６と同様に実験した。
（１）ウール繊維
ウール繊維はオーストラリア産、メリノ種の非改質ウール（平均繊維長：７５ｍｍ）を使用した。
（２）難燃レーヨン
難燃レーヨンはオーストリア国レンチング社の商品名“ビスコースＦＲ”（平均繊維長８５ｍｍ、平均繊度３．３deci tex）を使用した。
（３）難燃アクリル
難燃アクリルはカネカ製、商品名“プロテックスＭ” （繊維長８２〜１０２ｍｍ、平均繊度３．３deci tex）を使用した。 (Examples 9 to 11)
An experiment was conducted in the same manner as in Example 6 except that the polyester fiber was replaced with the following wool, flame retardant rayon, and flame retardant acrylic.
(1) Wool fiber As the wool fiber, Merino-type unmodified wool (average fiber length: 75 mm) from Australia was used.
(2) Flame Retardant Rayon The flame retardant rayon used was the product name “Viscose FR” (average fiber length 85 mm, average fineness 3.3 deci tex) of Lenzing, Austria.
(3) Flame Retardant Acrylic Flame retardant acrylic was manufactured by Kaneka Co., Ltd. under the trade name “Protex M” (fiber length 82 to 102 mm, average fineness 3.3 deci tex).

条件と結果を表３にまとめて示す。   Conditions and results are summarized in Table 3.

Figure 0005937633
Figure 0005937633

表３に示す通り、本発明の各実施例品はピリングが３級以上であり、織物の品位を高く維持できる。この性質は衣類に縫製した後も同様であり、摩擦によるピリングが発生しにくくなり、衣類の品位を高く維持できる。また強度と難燃性を高く維持し、緯糸に弾性繊維を使用したことにより、ヨコ方向にストレッチ性を与えて人体の動きを阻害しない織物であることが確認できた。実施例１〜８に比べてさらに難燃性が高いことも確認できた。   As shown in Table 3, each example product of the present invention has a pilling of grade 3 or higher, and can maintain a high quality fabric. This property is the same after sewing on clothing, and pilling due to friction is less likely to occur, and the quality of clothing can be maintained high. Moreover, it was confirmed that the woven fabric does not hinder the movement of the human body by imparting stretchability in the horizontal direction by maintaining the strength and flame retardancy at a high level and using elastic fibers for the weft. It was also confirmed that the flame retardancy was higher than in Examples 1-8.

本発明の織物で得られた衣類は、作業服、消防服、警察出動服、ユニホーム、学生服などにも好適である。   The clothing obtained from the fabric of the present invention is also suitable for work clothes, fire clothes, police dispatch clothes, uniforms, school clothes, and the like.

１,５ 織物
２,６ａ,６ｂ 経糸
３,７ 緯糸
４,８ ピリング
９ 合撚糸
１０ａ,１０ｂ 混紡紡績糸
１１ 弾性繊維糸 1,5 Woven fabric 2,6a, 6b Warp 3,7 Weft 4,8 Pilling 9 Twisted yarn 10a, 10b Blended spun yarn 11 Elastic fiber yarn

Claims (9)

アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸を経糸とし、アラミド繊維とその他の繊維と制電繊維を含む混紡紡績糸と弾性繊維糸を一体的に撚った合撚糸を緯糸とした難燃ストレッチ織物であって、
前記緯糸の混紡紡績糸のアラミド繊維混率は、経糸の混紡紡績糸のアラミド繊維混率に比べて相対的に低いことを特徴とする難燃ストレッチ織物。 A blended spun yarn including an aramid fiber, other fibers, and antistatic fibers is used as a warp, and a mixed spun yarn including an aramid fiber, other fibers, and antistatic fibers, and an elastic fiber yarn are integrally twisted as a weft. Flame retardant stretch fabric,
A flame retardant stretch fabric, wherein a blend ratio of aramid fibers in the blended spun yarn of the weft is relatively lower than a blend ratio of aramid fibers in the blend spun yarn of the warp. 前記緯糸の混紡紡績糸のアラミド繊維混率は、経糸の混紡紡績糸のアラミド繊維混率に比べて１５質量％以上低い請求項１に記載の難燃ストレッチ織物。   2. The flame-retardant stretch fabric according to claim 1, wherein a blend ratio of the aramid fibers of the blended spun yarn of the weft is 15% by mass or more lower than a blend ratio of the aramid fibers of the warp blend spun yarn. 前記その他の繊維は、ウール、難燃レーヨン、難燃アクリル及びポリエステルから選ばれる少なくとも一つの繊維である請求項１又は２に記載の難燃ストレッチ織物。   The flame retardant stretch fabric according to claim 1 or 2, wherein the other fibers are at least one fiber selected from wool, flame retardant rayon, flame retardant acrylic, and polyester. 前記合撚糸は、紡績糸２本と弾性繊維糸１本を一体的に撚った合撚糸である請求項１〜３のいずれか１項に記載の難燃ストレッチ織物。   The flame-retardant stretch fabric according to any one of claims 1 to 3, wherein the twisted yarn is a twisted yarn obtained by integrally twisting two spun yarns and one elastic fiber yarn. 前記難燃ストレッチ織物を１００質量％としたとき、下記に示す混率である請求項１〜４のいずれか１項に記載の難燃ストレッチ織物。
（１）m-アラミド繊維：５０〜８０％
（２）p-アラミド繊維：０〜５質量％
（３）その他の繊維：１０〜４５質量％
（４）制電繊維：０．１〜１質量％
（５）弾性繊維：１．５〜４質量％ The flame retardant stretch fabric according to any one of claims 1 to 4, wherein the flame retardant stretch fabric is a mixing ratio shown below when the flame retardant stretch fabric is 100% by mass.
(1) m-aramid fiber: 50-80%
(2) p-aramid fiber: 0 to 5% by mass
(3) Other fibers: 10 to 45% by mass
(4) Antistatic fiber: 0.1 to 1% by mass
(5) Elastic fiber: 1.5-4% by mass 前記難燃ストレッチ織物の難燃性が、JIS L 1091 A-4法試験における１２秒接炎で炭火長が１５ｃｍ以下、残炎・残塵が２秒以下である請求項１〜５のいずれか１項に記載の難燃ストレッチ織物。   The flame retardancy of the flame retardant stretch fabric is 12 seconds flame contact in JIS L 1091 A-4 method test, charcoal fire length is 15 cm or less, and after flame / residue is 2 seconds or less. The flame-retardant stretch fabric according to item 1. 前記難燃ストレッチ織物のストレッチ性が、JIS L 1096 B法試験におけるヨコ伸長率が９％以上である請求項１〜６のいずれか１項に記載の難燃ストレッチ織物。   The flame retardant stretch fabric according to any one of claims 1 to 6, wherein the stretch property of the flame retardant stretch fabric is 9% or more in the horizontal elongation in a JIS L 1096 B method test. 前記難燃ストレッチ織物のピリング性が、JIS L 1076 A(コルク)法において３０時間で３級以上である請求項１〜７のいずれか１項に記載の難燃ストレッチ織物。   The flame retardant stretch fabric according to any one of claims 1 to 7, wherein a pilling property of the flame retardant stretch fabric is 3 or more in 30 hours according to JIS L 1076 A (cork) method. 請求項１〜８のいずれか１項に記載の難燃ストレッチ織物を縫製した衣類。   The garment which sewn the flame-retardant stretch fabric of any one of Claims 1-8.
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