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JP2007529649A - Modacrylic / cotton / aramid fiber blends for arc protection and flame protection - Google Patents

Modacrylic / cotton / aramid fiber blends for arc protection and flame protection Download PDF

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Publication number
JP2007529649A
JP2007529649A JP2007504101A JP2007504101A JP2007529649A JP 2007529649 A JP2007529649 A JP 2007529649A JP 2007504101 A JP2007504101 A JP 2007504101A JP 2007504101 A JP2007504101 A JP 2007504101A JP 2007529649 A JP2007529649 A JP 2007529649A
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weight percent
fabric
fibers
aramid fibers
yarn
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JP2007529649A5 (en
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ズー，レイヤオ
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EIDP Inc
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EI Du Pont de Nemours and Co
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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
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • 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
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D02G3/047—Blended or other yarns or threads containing components made from different materials including aramid fibres
    • 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
    • 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
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/02—Cotton
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D10B2321/101—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide modacrylic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
    • D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/313—Strand material formed of individual filaments having different chemical compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/313—Strand material formed of individual filaments having different chemical compositions
    • Y10T442/3138—Including inorganic filament
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3976—Including strand which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3976—Including strand which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.]
    • Y10T442/3984—Strand is other than glass and is heat or fire resistant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/425—Including strand which is of specific structural definition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/425—Including strand which is of specific structural definition
    • Y10T442/438—Strand material formed of individual filaments having different chemical compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/697—Containing at least two chemically different strand or fiber materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

アーク防護用および防炎用に適切な糸、布帛および衣服は、モダクリル、綿およびアラミド繊維を含有する。  Suitable yarns, fabrics and garments for arc protection and flame protection contain modacrylic, cotton and aramid fibers.

Description

本発明は、アークからの防護および防炎性を有する布帛の製造に有用な混紡糸に関する。本発明は、さらに、上記の布帛で製造される衣服に関する。   The present invention relates to a blended yarn useful for producing a fabric having arc protection and flame resistance. The present invention further relates to a garment manufactured from the above-described fabric.

通電中の電気設備付近で作業する人々や電気設備付近での事故に対応する救急隊員は、アーク事象により生じうる電気アークおよび火災危険のリスクに曝されている。電気アークは、通常数千ボルトおよび数千アンペアの電気を伴う非常に激しい事象である。電気アークは、２つの電極間の電位差（つまり、電圧）が、大気中の原子をイオン化させて、電気を伝導できるようになる場合に、大気中で形成される。   People working near energized electrical equipment and emergency personnel responding to accidents near electrical equipment are exposed to the risk of electrical arcs and fire hazards that can be caused by an arc event. An electric arc is a very intense event that usually involves thousands of volts and thousands of amps of electricity. An electric arc is formed in the atmosphere when the potential difference (ie, voltage) between the two electrodes causes ions in the atmosphere to ionize and conduct electricity.

アークからの防護用および耐炎性の衣服は、その中に組み込まれた防護用繊維の水蒸気移動が少ないために、一般的に着用者に快適ではない。防護服を着用している人々は、通常、それらの防護用衣服に組み込まれた防護用繊維が原因で、不快な感触と熱応力の両方を体験する。   Protective and flame resistant garments from arcs are generally not comfortable to the wearer due to the low water vapor migration of the protective fibers incorporated therein. People wearing protective clothing typically experience both an unpleasant feel and thermal stress due to the protective fibers incorporated in their protective clothing.

特許文献１（イチボリ（Ｉｃｈｉｂｏｒｉ）ら）は、多量のアンチモン化合物を有するハロゲン含有繊維と、天然繊維および化学繊維よりなる群から選択される少なくとも１種の繊維とを含んでなる難燃性複合繊維混紡を開示する。上記繊維混紡は、布帛に織り込まれ、その耐炎性の指標として、その布帛の限界酸素指数が試験される。   Patent Document 1 (Ichibori et al.) Discloses a flame-retardant composite fiber comprising a halogen-containing fiber having a large amount of an antimony compound and at least one fiber selected from the group consisting of natural fibers and chemical fibers. Disclose blend. The fiber blend is woven into a fabric and the fabric's critical oxygen index is tested as an indicator of its flame resistance.

特許文献２（グリーン（Ｇｒｅｅｎ））は、電気アークによる放射エネルギーからの防護を提供する布帛を開示する。グリーン（Ｇｒｅｅｎ）は、その混紡糸中にモダクリル繊維の使用を開示していない。さらに、グリーン（Ｇｒｅｅｎ）は、５０パーセント未満の綿を含んでなる糸から形成される防護用布帛を開示していない。   U.S. Patent No. 5,099,096 (Green) discloses a fabric that provides protection from radiant energy from an electric arc. Green does not disclose the use of modacrylic fibers in the blended yarn. Furthermore, Green does not disclose a protective fabric formed from yarns comprising less than 50 percent cotton.

米国特許第５，２０８，１０５号明細書US Pat. No. 5,208,105 米国特許第５，２２３，３３４号明細書US Pat. No. 5,223,334

必要とされるのは、物質が電気アークに暴露された場合にレベルの高い防護と、さらに二次的影響から着用者を防護するために耐炎性とを提供する、糸、布帛および衣服（ａ ｙａｒｎ ｆａｂｒｉｃ ａｎｄ ｇａｒｍｅｎｔ）である。   What is needed is yarns, fabrics and garments (a) that provide a high level of protection when a material is exposed to an electric arc and also provide flame resistance to protect the wearer from secondary effects. yarn fabric and Garment).

本発明は、
（ａ）４０〜７５重量パーセントのモダクリル繊維、
（ｂ）１０〜４０重量パーセントの綿繊維および
（ｃ）１〜２５重量パーセントのアラミド繊維を含んでなり、前記パーセントは、成分（ａ）、（ｂ）および（ｃ）に基づく、アークおよび熱からの防護のための布帛および衣服用の糸に関する。 The present invention
(A) 40-75 weight percent modacrylic fiber,
(B) comprising 10 to 40 weight percent cotton fibers and (c) 1 to 25 weight percent aramid fibers, said percentages comprising arc and heat based on components (a), (b) and (c) The present invention relates to a fabric for protection from clothes and yarn for clothes.

上記の糸は、特に作業者を電気アークから防護するのに適切である耐熱性ならびに耐アーク性の布帛および衣服に、組み込まれるのに有用である。さらに、上記の布帛および衣服は、破断開口（ｂｒｅａｋ ｏｐｅｎ）に対する抵抗、耐炎性および耐摩耗性を提供しうる。   The yarns described above are particularly useful for incorporation into heat and arc resistant fabrics and garments that are suitable to protect workers from electric arcs. In addition, the fabrics and garments described above can provide resistance to break open, flame resistance, and abrasion resistance.

本発明は、改善された、アークからの防護と耐炎性との両方を提供する糸、布帛および衣服を提供することに関する。引張強さが小さい耐炎性繊維を含んでなる布帛および衣服は、電気アークの強い熱応力に暴露された場合に、入射エネルギーが原因で、破断開口して、着用者をさらなる損傷に曝す。電気アークは、通常、数千ボルトおよび数千アンペアの電流を伴う。電気アークは、発火からなどの入射エネルギーよりもかなり強い。着用者を防護するために、衣服または布帛は、着用者へのエネルギーの移動を阻害する必要がある。これは、一部の入射エネルギーを吸収する布帛と破断開口を阻止する布帛との両方により、生じると考えられている。破断開口される間に、布帛に穴が生じ、入射エネルギーに布帛の表面もしくは着用者を直接暴露する。   The present invention relates to providing yarns, fabrics and garments that provide both improved arc protection and flame resistance. Fabrics and garments comprising flame resistant fibers with low tensile strength, when exposed to the strong thermal stress of an electric arc, will open to break and expose the wearer to further damage due to incident energy. Electric arcs typically involve currents of thousands of volts and thousands of amperes. Electric arcs are much stronger than incident energy, such as from ignition. In order to protect the wearer, the garment or fabric needs to inhibit the transfer of energy to the wearer. This is believed to occur due to both the fabric that absorbs some incident energy and the fabric that blocks the break opening. During the opening of the break, the fabric is perforated, exposing the fabric surface or wearer directly to incident energy.

本発明の糸、布帛および衣服は、電気アークの強い熱応力に暴露された場合、エネルギーの移動に耐える。本発明は、入射エネルギーの一部を吸収することにより、エネルギー移動を低減し、炭化を介して、透過エネルギーを減少させると考えられている。   The yarns, fabrics and garments of the present invention withstand the transfer of energy when exposed to the strong thermal stress of an electric arc. The present invention is believed to reduce energy transfer by absorbing some of the incident energy and reduce transmitted energy through carbonization.

本発明の糸は、モダクリル繊維と、綿繊維と、アラミド繊維との混紡を含んでなる。典型的には、本発明の糸は、４０〜７５重量パーセントのモダクリル繊維、１０〜４０重量パーセントの綿繊維、および１〜４０重量パーセントのアラミド繊維を含んでなる。好ましくは、本発明の糸は、４５〜６５重量パーセントのモダクリル繊維、１５〜３５重量パーセントの綿繊維、および５〜３０重量パーセントのアラミド繊維を含んでなる。上記のパーセントは、上記の３種の指定された成分を基準とする。   The yarn of the present invention comprises a blend of modacrylic fiber, cotton fiber, and aramid fiber. Typically, the yarns of the present invention comprise 40-75 weight percent modacrylic fiber, 10-40 weight percent cotton fiber, and 1-40 weight percent aramid fiber. Preferably, the yarn of the present invention comprises 45 to 65 weight percent modacrylic fiber, 15 to 35 weight percent cotton fiber, and 5 to 30 weight percent aramid fiber. The above percentages are based on the above three specified components.

「糸」は、連続したストランドを形成するように、一緒に紡績されたまたは撚られた繊維の組み合わせを意味し、それは、製織、製編、製紐、または組編に使用されることができ、或いは、織編生地もしくは布帛に作製されうる。   "Yarn" means a combination of fibers spun or twisted together to form a continuous strand, which can be used for weaving, knitting, stringing, or braiding Alternatively, it can be made into a woven or knitted fabric or fabric.

モダクリル繊維は、主にアクリロニトリルを含んでなるポリマーから作製されるアクリル系合成繊維を意味する。該ポリマーは、３０〜７０重量パーセントのアクリロニトリルと７０〜３０重量パーセントのハロゲン含有のビニルモノマーとを含んでなるコポリマーであるのが好ましい。ハロゲン含有のビニルモノマーは、例えば、塩化ビニル、塩化ビニリデン、臭化ビニル、臭化ビニリデンなどから選択される少なくとも１種のモノマーである。共重合性ビニルモノマーの例は、アクリル酸、メタクリル酸、それらの酸の塩もしくはエステル、アクリルアミド、メチルアクリルアミド、酢酸ビニルなどである。   Modacrylic fiber means acrylic synthetic fiber made from a polymer mainly comprising acrylonitrile. The polymer is preferably a copolymer comprising 30 to 70 weight percent acrylonitrile and 70 to 30 weight percent halogen containing vinyl monomer. The halogen-containing vinyl monomer is at least one monomer selected from, for example, vinyl chloride, vinylidene chloride, vinyl bromide, vinylidene bromide, and the like. Examples of copolymerizable vinyl monomers are acrylic acid, methacrylic acid, salts or esters of those acids, acrylamide, methyl acrylamide, vinyl acetate and the like.

本発明の好適なモダクリル繊維は、アクリロニトリルと塩化ビニリデンを組み合わせたコポリマーであり、該コポリマーは、改善された難熱性のために、さらに１種のまたは数種の酸化アンチモンを有する。上記の有用なモダクリル繊維として、２重量パーセントの三酸化アンチモンを有する米国特許第３，１９３，６０２号明細書に開示される繊維、少なくとも２重量パーセント、好ましくは８重量パーセント以下の量で存在する種々の酸化アンチモンで作製される米国特許第３，７４８，３０２号明細書に開示される繊維、および８〜４０重量パーセントのアンチモン化合物を有する米国特許第５，２０８，１０５号明細書および同第５，５０６，０４２号明細書に開示される繊維が挙げられるが、それらに限定されない。   The preferred modacrylic fiber of the present invention is a copolymer of acrylonitrile and vinylidene chloride in combination, which further has one or several antimony oxides for improved heat resistance. Useful modacrylic fibers as described above are present in US Pat. No. 3,193,602 having 2 weight percent antimony trioxide, present in an amount of at least 2 weight percent, preferably no more than 8 weight percent. U.S. Pat. No. 5,208,105 having fibers disclosed in U.S. Pat. No. 3,748,302 made with various antimony oxides and 8 to 40 weight percent antimony compound. Examples include, but are not limited to, the fibers disclosed in US Pat. No. 5,506,042.

本発明の糸の範囲内で、モダクリル繊維は、アンチモン誘導体でのドーピングのレベルに応じて、通常少なくとも２８のＬＯＩ値を有する繊維を形成する耐炎性炭化物を提供する。モダクリル繊維は、炎への暴露が原因となる繊維への損傷の拡がりに抵抗する。モダクリル繊維は、優れた耐炎性であるが、電気アークに暴露された場合、破断開口に対する所望のレベルの抵抗を与えるための、糸またはその糸から作製された布帛に対する適切な引張強さをそれ自体提供しない。   Within the scope of the yarns of the invention, modacrylic fibers provide flame resistant carbides that usually form fibers having a LOI value of at least 28, depending on the level of doping with the antimony derivative. Modacrylic fibers resist the spread of damage to the fibers caused by exposure to flame. Modacrylic fiber is excellent in flame resistance, but when exposed to an electric arc, it provides the appropriate tensile strength for the yarn or fabric made from the yarn to provide the desired level of resistance to the break opening. Do not provide itself.

本明細書で使用される「アラミド」は、少なくとも８５％のアミド結合（−ＣＯＮＨ−）が、２個の芳香族環に直接結合するポリアミドを意味する。添加剤が、アラミドと一緒に使用されることが可能であり、実際、ほぼ１０重量パーセントまでの他の高分子材料が、アラミドと混紡されることが可能であり、或いは、アラミドのジアミンで置換されたほぼ１０パーセントの他のジアミン、またはアラミドの二酸クロリドで置換されたほぼ１０パーセントの他の二酸クロリドを有するコポリマーを使用することが可能であることが判明されている。適切なアラミド繊維は、Ｗ．ブラックらの「人造繊維−科学と技術」２巻、章題 繊維形成芳香族ポリアミド、２９７頁（インターサイエンス・パブリッシャー、１９６８年）（Ｍａｎ−Ｍａｄｅ Ｆｉｂｅｒｓ−Ｓｃｉｅｎｃｅ ａｎｄ Ｔｅｃｈｎｏｌｏｇｙ，Ｖｏｌｕｍｅ ２，Ｓｅｃｔｉｏｎ ｔｉｔｌｅｄ Ｆｉｂｅｒ−Ｆｏｒｍｉｎｇ Ａｒｏｍａｔｉｃ Ｐｏｌｙａｍｉｄｅｓ， ｐａｇｅ ２９７， Ｗ． Ｂｌａｃｋ ｅｔ ａｌ．，Ｉｎｔｅｒｓｃｉｅｎｃｅ Ｐｕｂｌｉｓｈｅｒｓ，１９６８）に記載されている。アラミド繊維は、さらに、米国特許第４，１７２，９３８号明細書、同第３，８６９，４２９号明細書、同第３，８１９，５８７号明細書、同第３，６７３，１４３号明細書、同第３，３５４，１２７号明細書、および同第３，０９４，５１１号明細書に開示されている。Ｍ−アラミドは、アミド結合が互いに対してメタ位にあるアラミドであり、ｐ−アラミドは、アミド結合が互いに対してパラ位にあるアラミドである。本発明の実施において、最も多く使用されるアラミドは、ポリ（パラフェニレンテレフタルアミド）およびポリ（メタフェニレンイソフタルアミド）である。   “Aramid” as used herein refers to a polyamide in which at least 85% of the amide bonds (—CONH—) are directly bonded to two aromatic rings. Additives can be used with aramids, in fact, up to nearly 10 weight percent of other polymeric materials can be blended with aramids, or substituted with aramid diamines It has been found that it is possible to use copolymers with approximately 10 percent of other diamines made, or approximately 10 percent of other diacid chlorides substituted with aramid diacid chloride. Suitable aramid fibers are those described in W.W. Black et al., “Artificial Fibers-Science and Technology”, Volume 2, Title: Fiber-forming aromatic polyamides, 297 (Interscience Publisher, 1968) (Man-Made Fibers-Science and Technology, Volume 2, Section title Fiber- Forming Aromatic Polyamides, page 297, W. Black et al., Interscience Publishers, 1968). Aramid fibers are further described in U.S. Pat. Nos. 4,172,938, 3,869,429, 3,819,587, and 3,673,143. No. 3,354,127 and US Pat. No. 3,094,511. M-aramid is an aramid in which the amide bonds are in the meta position relative to each other, and p-aramid is an aramid in which the amide bonds are in the para position relative to each other. The most commonly used aramids in the practice of the present invention are poly (paraphenylene terephthalamide) and poly (metaphenylene isophthalamide).

１種類だけのアラミド繊維が、利用されうることは、本発明の範囲内である。例証的に、メタ−アラミドまたはパラ−アラミド繊維のいずれかが、使用されうる。   It is within the scope of the present invention that only one type of aramid fiber can be utilized. Illustratively, either meta-aramid or para-aramid fibers can be used.

しかしながら、好適な形態において、パラ−アラミド繊維とメタ−アラミド繊維の両方が、利用される。例証となるパーセントは、２０〜４０重量パーセントのパラ−アラミド繊維と６０〜８０重量パーセントのメタ−アラミド繊維である。上記のパーセントは、上記のアラミドのみを基準とする。これらの２種のアラミドの好適な範囲は、２５〜３５重量パーセントのパラ−アラミドと６５〜７５重量パーセントのメタ−アラミドである。   However, in a preferred form, both para-aramid fibers and meta-aramid fibers are utilized. Illustrative percentages are 20-40 weight percent para-aramid fibers and 60-80 weight percent meta-aramid fibers. The above percentages are based on the above aramid only. The preferred range for these two aramids is 25-35 weight percent para-aramid and 65-75 weight percent meta-aramid.

本発明の糸の範囲内で、綿繊維は、糸内での水分輸送を提供する耐炎性繊維を提供する。綿繊維を含んでなる衣服は、着用者から水分を吸上げることにより、着心地を改善する。汗を吸上げることにより、労働中の着用者に対する熱応力は、低減される。   Within the yarns of the present invention, cotton fibers provide flame resistant fibers that provide moisture transport within the yarn. Garments comprising cotton fibers improve comfort by wicking moisture from the wearer. By soaking up the sweat, the thermal stress on the wearer at work is reduced.

さらに、本発明の糸、布帛、または衣服に、帯電防止成分（例、スチール繊維、炭素繊維、または既存の繊維への炭素被覆など）を加えてもよい。炭素または金属（例、スチールなど）の伝導性は、本発明の糸、布帛、または衣服に組み込まれた場合、静電気の連続的発生の防止を助けるように電気管路を提供する。静電気放電は、感度の高い電気設備で作業する作業者、或いは可燃性蒸気の付近で作業する作業者にとって、危険となりうる。   Furthermore, an antistatic component (eg, steel fiber, carbon fiber, or carbon coating on existing fiber, etc.) may be added to the yarn, fabric, or garment of the present invention. The conductivity of carbon or metal (eg, steel, etc.) provides an electrical conduit to help prevent the continuous generation of static electricity when incorporated into the yarn, fabric, or garment of the present invention. Electrostatic discharge can be dangerous for workers working with sensitive electrical equipment or workers working near flammable vapors.

本発明の糸は、当技術分野で一般的に知られている任意の紡糸技術、例えば、これに限定されないが、リング精紡、芯紡糸、およびエアジェット紡糸またはより高度な空気精紡技術（例、ステープルファイバーを糸に撚るために空気を用いる村田エアジェット精紡機など）により、製造されうる。通常、任意の一般的な技術により製造される単糸は、布帛に変えられる前に、少なくとも２本の単糸を含んでなる諸撚糸を形成するように、一緒に諸撚される。   The yarns of the present invention may be any spinning technique commonly known in the art, such as, but not limited to, ring spinning, core spinning, and air jet spinning or more advanced air spinning techniques ( For example, a Murata air jet spinning machine that uses air to twist staple fibers into a yarn). Usually, a single yarn produced by any common technique is twisted together to form a twisted yarn comprising at least two single yarns before being converted to a fabric.

電気アークにより生じる強い熱応力からの防護を提供するために、耐アーク性布帛およびその布帛から成形される衣服は、防護層の下の表面に直接衝突する入射エネルギーを防ぐように、耐炎性に関して大気中の酸素濃度を越えるＬＯＩ値、布帛への損傷の拡大が遅いことを示す短い炭化長、良好な破断開口に対する抵抗などの特質を有する。   In order to provide protection from the strong thermal stresses caused by electric arcs, arc resistant fabrics and garments molded from the fabrics are in terms of flame resistance to prevent incident energy impinging directly on the surface under the protective layer. It has characteristics such as an LOI value exceeding the oxygen concentration in the atmosphere, a short carbonization length indicating that the damage to the fabric is slowly expanding, and a resistance to a good break opening.

消防士の防火服などの防熱性衣類は、通常は、裸火によって生じる対流熱に対する防護を提供する。上記の防護用の衣服は、電気アークにより生じる強いエネルギーに暴露された場合に、破断開口して（つまり、布帛に開口部が生じる）、エネルギーが衣服に入り込み、着用者が重篤な損傷を受ける結果となる。本発明の布帛は、電気アークに暴露された場合に、裸火の対流熱に対する防護と、引裂およびエネルギー移動に対する増強された抵抗の両方を提供する。布帛の厚さおよび通常着用される防護用衣服（例、消防士の防火服など）の全重量は、体熱および汗を肌にじかに取り込むことにより、着用者に熱応力をもたらしうる。本発明の布帛は、着用者から発汗による水分を吸上げて、快適さを向上させ、熱応力を低減するように、水分輸送繊維（例、綿など）を布帛の糸内に含んでなる。   Thermal protection clothing, such as firefighters' fire protection clothing, usually provides protection against convective heat generated by open flames. The protective garments described above, when exposed to strong energy generated by an electric arc, break open (that is, an opening is formed in the fabric) and energy enters the garment, causing severe damage to the wearer. The result will be received. The fabric of the present invention provides both protection against open flame convection heat and enhanced resistance to tearing and energy transfer when exposed to an electric arc. The thickness of the fabric and the total weight of protective clothing normally worn (eg, firefighters' fire-fighting clothing, etc.) can cause thermal stress on the wearer by capturing body heat and sweat directly into the skin. The fabric of the present invention comprises moisture transport fibers (eg, cotton, etc.) in the yarn of the fabric so as to absorb moisture from sweating from the wearer to improve comfort and reduce thermal stress.

坪量は、単位面積当りの布帛の重量の測定単位である。典型的な単位として、オンス／平方ヤード、およびグラム／平方センチメートルが挙げられる。本明細書に記載される坪量は、オンス／平方ヤード（ＯＰＳＹ）である。単位面積当りの布帛の量が増加するにしたがって、潜在的危険と被保護物体との間の物質の量が増加する。物質の坪量の増加は、防護性能の対応する増加が観察されることを示唆する。本発明の布帛の坪量の増加の結果として、破断開口に対する抵抗、耐熱性要素、および耐アーク性が増強されることになる。本発明の布帛の坪量は、通常約８．０ｏｐｓｙより大きく、好ましくは約８．７ｏｐｓｙより大きく、最も好ましくは約９．５ｏｐｓｙより大きい。１２ｏｐｓｙより大きい坪量を有する本発明の布帛は、増大した剛さを示すので、このような布帛から製造された衣服の快適さを低下させるだろうと考えられている。   Basis weight is a unit of measurement of the weight of the fabric per unit area. Typical units include ounces / square yard, and grams / square centimeter. The basis weight described herein is ounces per square yard (OPSY). As the amount of fabric per unit area increases, the amount of material between the potential hazard and the protected object increases. An increase in the basis weight of the material suggests that a corresponding increase in protective performance is observed. As a result of the increased basis weight of the fabric of the present invention, resistance to break openings, heat resistant elements, and arc resistance are enhanced. The basis weight of the fabric of the present invention is usually greater than about 8.0 opsy, preferably greater than about 8.7 opsy, and most preferably greater than about 9.5 opsy. It is believed that fabrics of the present invention having a basis weight greater than 12 opsy will exhibit increased stiffness and thus reduce the comfort of garments made from such fabrics.

炭化長は、編織布の耐炎性の指標である。炭化物は、熱分解または不完全燃焼が原因で生成される炭素質残留物と定義される。本明細書に記載されるＡＳＴＭ ６４１３−９９試験の条件下での布帛の炭化長は、炎に直接暴露される布帛の端から、規定の引き裂き力が印加された後の可視できる布帛の損傷の最も遠い点までの距離と定義される。好ましいことに、本発明の布帛は、６インチ未満、好ましくは４．５インチ未満の炭化長を有する。   The carbonization length is an index of flame resistance of the woven fabric. Carbide is defined as carbonaceous residue produced due to pyrolysis or incomplete combustion. The carbonization length of the fabric under the conditions of the ASTM 6413-99 test described herein is the amount of fabric damage visible after a specified tear force is applied from the edge of the fabric exposed directly to the flame. It is defined as the distance to the farthest point. Preferably, the fabric of the present invention has a carbonization length of less than 6 inches, preferably less than 4.5 inches.

本発明の布帛は、単層の防護用衣服としてまたは多層の防護用衣服の一部として使用されうる。本発明の糸は、布帛のたて糸かよこ糸のいずれかに存在しうる。本発明の糸が、結果として作製される布帛のたて糸とよこ糸の両方に存在するのが好ましい。   The fabric of the present invention can be used as a single-layer protective garment or as part of a multi-layer protective garment. The yarn of the present invention may be present in either the warp or weft yarn of the fabric. The yarns of the present invention are preferably present in both the warp and weft yarns of the resulting fabric.

試験方法
摩耗試験
ＡＳＴＭ Ｄ−３８８４−０１「編織布の耐摩耗性に関する標準指針（Ｓｔａｎｄａｒｄ Ｇｕｉｄｅ ｆｏｒ Ａｂｒａｓｉｏｎ Ｒｅｓｉｓｔａｎｃｅ ｏｆ Ｔｅｘｔｉｌｅ Ｆａｂｒｉｃｓ）（ロータリー・プラットホーム、ダブルヘッド法）（Ｒｏｔａｒｙ Ｐｌａｔｆｏｒｍ、Ｄｏｕｂｌｅ Ｈｅａｄ Ｍｅｔｈｏｄ）」に基づいて、本発明の布帛の耐摩耗性の性能を検定する。 Test Method Abrasion Test ASTM D-3884-01 “Standard Guide for Absorption Resistance of Textile Fabrics (Rotary Platform, Double Head Method) (Based on Rotary Platform, DoubleMed”) Thus, the wear resistance performance of the fabric of the present invention is tested.

耐アーク性試験
ＡＳＴＭ Ｆ−１９５９−９９「布用材料のアーク熱性能値を測定するための標準試験法（Ｓｔａｎｄａｒｄ Ｔｅｓｔ Ｍｅｔｈｏｄ ｆｏｒ Ｄｅｔｅｒｍｉｎｉｎｇ tｈｅ Ａｒｃ Ｔｈｅｒｍａｌ Ｐｅｒｆｏｒｍａｎｃｅ Ｖａｌｕｅ ｏｆ Ｍａｔｅｒｉａｌｓ ｆｏｒ Ｃｌｏｔｈｉｎｇ）」に基づいて、本発明の布帛の耐アーク性を測定する。本発明の布帛は、少なくとも０．８カロリー／平方センチメートル／ｏｐｓｙの耐アーク性を有するのが好ましく、少なくとも１．２カロリー／平方センチメートル／ｏｐｓｙを有するのがさらに好ましい。 Arc Resistance Test ASTM F-1959-99 “Standard Test Method for Determining the Arc Thermal Performance Value of Materials, based on the present invention” The arc resistance of the fabric is measured. The fabric of the present invention preferably has an arc resistance of at least 0.8 calories / square centimeter / opsy, more preferably at least 1.2 calories / square centimeter / opsy.

掴み試験（Ｇｒａｂ Ｔｅｓｔ）
ＡＳＴＭ Ｄ−５０３４−９５「布帛の破断強度および伸び率に関する標準試験法（Ｓｔａｎｄａｒｄ Ｔｅｓｔ Ｍｅｔｈｏｄ ｆｏｒ Ｂｒｅａｋｉｎｇ Ｓｔｒｅｎｇｔｈ ａｎｄ Ｅｌｏｎｇａｔｉｏｎ ｏｆ Ｆａｂｒｉｃｓ）（掴み試験）」に基づいて、本発明の布帛の掴み抵抗を測定する。 Grab test
The grip resistance of the fabric of the present invention is measured based on ASTM D-5034-95 “Standard Test Method for Breaking Strength and Elongation of Fabrics”.

限界酸素指数試験
ＡＳＴＭ Ｇ−１２５−００「気体酸化剤における液体および固体物質の燃焼限界を測定するための標準試験法（Ｓｔａｎｄａｒｄ Ｔｅｓｔ Ｍｅｔｈｏｄ ｆｏｒ Ｍｅａｓｕｒｉｎｇ Ｌｉｑｕｉｄ ａｎｄ Ｓｏｌｉｄ Ｍａｔｅｒｉａｌ Ｆｉｒｅ Ｌｉｍｉｔｓ ｉｎ Ｇａｓｅｏｕｓ Ｏｘｉｄａｎｔｓ）」に基づいて、本発明の布帛の限界酸素指数（ＬＯＩ値）を測定する。 Limiting oxygen index test ASTM G-125-00 “Based on Standard Test Method for Measuring Liquid and Solid Material Limits in Gasesous Oxidant”, based on ASTM G-125-00 “Standard Test Method for Measuring Liquid for Solid Material Fire Limits in Gasose Oxidant” The critical oxygen index (LOI value) of the fabric of the present invention is measured.

引裂試験
ＡＳＴＭ Ｄ−５５８７−０３「トラペゾイド法による布帛の引裂に関する標準試験法（Ｓｔａｎｄａｒｄ Ｔｅｓｔ Ｍｅｔｈｏｄ ｆｏｒ Ｔｅａｒｉｎｇ ｏｆ Ｆａｂｒｉｃｓ ｂｙ Ｔｒａｐｅｚｏｉｄ Ｐｒｏｃｅｄｕｒｅ）」に基づいて、本発明の布帛の引裂抵抗を測定する。 Tear Test ASTM D-587-03 "Standard Test Method for Teaching of Fabrics by Trapezoid Procedure" is used to measure the tear resistance of the fabric of the present invention.

耐熱性能試験
ＮＦＰＡ ２１１２「引火火災に対する業務職員の保護のための耐炎性衣服に関する基準（Ｓｔａｎｄａｒｄ ｏｎ Ｆｌａｍｅ Ｒｅｓｉｓｔａｎｔ Ｇａｒｍｅｎｔｓ ｆｏｒ Ｐｒｏｔｅｃｔｉｏｎ ｏｆ Ｉｎｄｕｓｔｒｉａｌ Ｐｅｒｓｏｎｎｅｌ Ａｇａｉｎｓｔ Ｆｌａｓｈ Ｆｉｒｅ）」に基づいて、本発明の布帛の耐熱性能を検定する。 Heat resistance performance test NFPA 2112 “Standard for Flame Resistant Garments for Protection of Industrial Person Against Flash Fire” To do.

垂直燃焼試験
ＡＳＴＭ Ｄ−６４１３−９９「編織布の耐炎性に関する標準試験法（垂直法）（Ｓｔａｎｄａｒｄ Ｔｅｓｔ Ｍｅｔｈｏｄ ｆｏｒ Ｆｌａｍｅ Ｒｅｓｉｓｔａｎｃｅ ｏｆ Ｔｅｘｔｉｌｅｓ（Ｖｅｒｔｉｃａｌ Ｍｅｔｈｏｄ））に基づいて、本発明の布帛の炭化長を測定する。 Vertical Combustion Test ASTM D-6413-99 “Standard Test Method for Flame Resistance of Textiles (Vertical Method)” is used to measure the carbonization length of the fabric of the present invention, based on ASTM D-6413-99 “Standard Test Method for Flame Resistance of Textiles”. To do.

用語「耐熱性能（もしくはＴＰＰ）は、布帛が高温直火もしくは放射熱に暴露される場合、布帛の真下の着用者の皮膚に継続的でかつ確かな防護を提供する布帛の能力に関する。   The term "heat resistant performance (or TPP)" relates to the ability of a fabric to provide continuous and reliable protection to the wearer's skin directly under the fabric when the fabric is exposed to high temperature direct fire or radiant heat.

限界酸素指数（ＬＯＩ値）
ＡＳＴＭ Ｇ１２５／Ｄ２８６３から
酸素の最小濃度は、ＡＳＴＭ Ｄ２８６３の条件下、室温で、材料の燃焼を初期に燃え上がらせるのをまさに支援する酸素と窒素の混合物中における容量パーセントとして、表される。 Limit oxygen index (LOI value)
From ASTM G125 / D2863 The minimum concentration of oxygen is expressed as a percent volume in a mixture of oxygen and nitrogen that just supports the initial combustion of the material at room temperature under ASTM D2863 conditions.

本発明を例証するために、以下の実施例を提供する。特に明記しない限り、全ての部およびパーセントは、重量部および重量パーセントであり、温度は、摂氏である。   In order to illustrate the invention, the following examples are provided. Unless otherwise specified, all parts and percentages are parts by weight and percentages by weight, and temperatures are in degrees Celsius.

モダクリル／綿／アラミド布帛
実施例１
ノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２と、ケブラー（Ｋｅｖｌａｒ）（登録商標）２９と、モダクリルと、綿との密接混紡のリング紡績糸のたて糸とよこ糸の両方に有する快適性および耐久性の布帛を調製した。ノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２は、９３％のポリ（ｍ−フェニレンイソフタルアミド）（ＭＰＤ−Ｉ）、５％のポリ（ｐ−フェニレンテレフタルアミド）（ＰＰＤ−Ｔ）および２％の静電気拡散性の繊維（デュポン（ＤｕＰｏｎｔ）製Ｐ−１４０）であり、モダクリルは、１５％のアンチモンを有するＡＣＮ／ポリ塩化ビニリデンコポリマー（プロテックス（Ｐｒｏｔｅｘ）（登録商標）Ｍとして周知）であり、ケブラー（Ｋｅｖｌａｒ）（登録商標）２９は、ポリ（ｐ−フェニレンテレフタルアミド）（ＰＰＤ−Ｔ）である。 Modacryl / cotton / aramid fabric Example 1
Nomex (R) type 462, Kevlar (R) 29, modacryl, and comfort and durability fabrics in both the warp and weft of ring spun yarns of intimate blends of cotton Was prepared. Nomex® type 462 is composed of 93% poly (m-phenylene isophthalamide) (MPD-I), 5% poly (p-phenylene terephthalamide) (PPD-T) and 2% static electricity. A diffusible fiber (P-140 from DuPont), modacrylic is an ACN / polyvinylidene chloride copolymer (known as Protex® M) with 15% antimony, Kevlar ( Kevlar® 29 is poly (p-phenylene terephthalamide) (PPD-T).

１０重量％のノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２と、１０重量％のケブラー（Ｋｅｖｌａｒ）（登録商標）２９と、５５重量％のモダクリルと、２５重量％の綿とのピッカー混紡スライバを調製し、リング精紡機を用いて、従来型の綿システムにより、３．７倍の撚りを有する紡績糸に加工した。上記の如く作製した糸は、２４．６テックス（２４綿番手）単糸であった。次に合糸機上で２本の単糸を撚り合せ、双糸を作製した。同様の方法と同一の撚りおよび混紡率を用いて、よこ糸として使用するために、３２．８テックス（１８綿番手）糸を作製した。次に、その糸を２本撚り合わせて、合糸を作製した。   Prepare a picker blend sliver with 10 wt% Nomex (R) type 462, 10 wt% Kevlar (R) 29, 55 wt% modacrylic and 25 wt% cotton Then, it was processed into a spun yarn having a twist of 3.7 times by a conventional cotton system using a ring spinning machine. The yarn produced as described above was a 24.6 tex (24 cotton count) single yarn. Next, two single yarns were twisted together on a double yarn machine to produce a double yarn. A 32.8 tex (18 cotton count) yarn was made for use as a weft yarn using the same twist and blend rate as in a similar method. Next, two yarns were twisted to produce a composite yarn.

ノーメックス（Ｎｏｍｅｘ）（登録商標）／ケブラー（Ｋｅｖｌａｒ）（登録商標）／モダクリル／綿糸をたて糸とよこ糸として、シャトル織機において３×１の綾織構造で使用した。その綾織物は、１ｃｍ当り２４エンド×１５ピック（１インチ当り６０エンド×３９ピック）の構造、２７１．３ｇ／ｍ２（８ｏｚ／ｙｄ２）の坪量を有した。上記の如く調製した綾織物を温水中で精錬し、低張力下で乾燥させた。次に、塩基性染料を用いて、精錬した布帛をジェット染色した。 Nomex® / Kevlar® / Modacryl / cotton yarn was used as warp and weft in a 3 × 1 twill structure on a shuttle loom. The twill fabric had a structure of 24 ends per cm × 15 picks (60 ends per inch × 39 picks) and a basis weight of 271.3 g / m 2 (8 oz / yd 2 ). The twill fabric prepared as described above was refined in warm water and dried under low tension. Next, the refined fabric was jet-dyed using a basic dye.

実施例２
ノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２と、ケブラー（Ｋｅｖｌａｒ）（登録商標）２９と、モダクリルと、綿との密接混紡のリング紡績糸のたて糸とよこ糸の両方に有する快適性および耐久性の布帛を調製した。ノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２は、９３％のポリ（ｍ−フェニレンイソフタルアミド）（ＭＰＤ−Ｉ）、５％のポリ（ｐ−フェニレンテレフタルアミド）（ＰＰＤ−Ｔ）および２％の静電気拡散性の繊維（デュポン（ＤｕＰｏｎｔ）製Ｐ−１４０）であり、モダクリルは、１５％のアンチモンを有するＡＣＮ／ポリ塩化ビニリデンコポリマー（プロテックス（Ｐｒｏｔｅｘ）（登録商標）Ｍとして周知）であり、ケブラー（Ｋｅｖｌａｒ）（登録商標）２９は、ポリ（ｐ−フェニレンテレフタルアミド）（ＰＰＤ−Ｔ）である。 Example 2
Nomex (R) type 462, Kevlar (R) 29, modacryl, and comfort and durability fabrics in both the warp and weft of ring spun yarns of intimate blends of cotton Was prepared. Nomex® type 462 is composed of 93% poly (m-phenylene isophthalamide) (MPD-I), 5% poly (p-phenylene terephthalamide) (PPD-T) and 2% static electricity. A diffusible fiber (P-140 from DuPont), modacrylic is an ACN / polyvinylidene chloride copolymer (known as Protex® M) with 15% antimony, Kevlar ( Kevlar® 29 is poly (p-phenylene terephthalamide) (PPD-T).

１０重量％のノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２と、１０重量％のケブラー（Ｋｅｖｌａｒ）（登録商標）２９と、４５重量％のモダクリルと、３５重量％の綿とのピッカー混紡スライバを調製し、リング精紡機を用いて、従来型の綿システムにより、３．７倍の撚りを有する紡績糸に加工した。上記の如く作製した糸は、２４．６テックス（２４綿番手）単糸であった。次に合糸機上で２本の単糸を撚り合わせ、双糸を作製した。同様の方法と同一の撚りおよび混紡率を用いて、よこ糸として使用するために、５０／５０の割合でノーメックス（Ｎｏｍｅｘ）（登録商標）タイプ４６２／モダクリルの混紡を有する３２．８テックス（１８綿番手）糸を作製した。次に、その糸を２本撚り合わせて、合糸を作製した。   Prepare a picker blend sliver of 10 wt% Nomex (R) type 462, 10 wt% Kevlar (R) 29, 45 wt% modacrylic and 35 wt% cotton Then, it was processed into a spun yarn having a twist of 3.7 times by a conventional cotton system using a ring spinning machine. The yarn produced as described above was a 24.6 tex (24 cotton count) single yarn. Next, two single yarns were twisted together on a yarn splicer to produce a twin yarn. 32.8 tex (18 cotton) with a Nomex® type 462 / Modacryl blend at a 50/50 ratio for use as weft, using the same twist and blend rate as in a similar process Count) A yarn was prepared. Next, two yarns were twisted to produce a composite yarn.

ノーメックス（Ｎｏｍｅｘ）（登録商標）／ケブラー（Ｋｅｖｌａｒ）（登録商標）／モダクリル／綿糸をたて糸として、ノーメックス（Ｎｏｍｅｘ）（登録商標）／モダクリル糸をよこ糸として、シャトル織機において３×１の綾織構造で使用した。その綾織物は、１ｃｍ当り２３エンド×１６ピック（１インチ当り５８エンド×４０ピック）の構造、２６４．５ｇ／ｍ２（７．８ｏｚ／ｙｄ２）の坪量を有した。上記の如く調製した綾織物を温水中で精錬し、低張力下で乾燥させた。次に、塩基性染料を用いて、精錬した布帛をジェット染色した。 Nomex (R) / Kevlar (R) / Modacryl / cotton yarn as warp, Nomex (R) / Modacryl yarn as weft, 3x1 twill structure on shuttle loom used. The twill fabric had a structure of 23 ends x 16 picks per cm (58 ends x 40 picks per inch) and a basis weight of 264.5 g / m 2 (7.8 oz / yd 2 ). The twill fabric prepared as described above was refined in warm water and dried under low tension. Next, the refined fabric was jet-dyed using a basic dye.

以下の表は、実施例１および２の測定された特性を例示する。   The following table illustrates the measured properties of Examples 1 and 2.

Figure 2007529649
Figure 2007529649

Claims (20)

（ａ）４０〜７５重量パーセントのモダクリル繊維、
（ｂ）１０〜４０重量パーセントの綿繊維および
（ｃ）１〜４０重量パーセントのアラミド繊維
を含んでなり、前記パーセントが、成分（ａ）（ｂ）および（ｃ）を基準とするアークからの防護および防炎性を提供するのに適切な糸。 (A) 40-75 weight percent modacrylic fiber,
(B) comprising 10 to 40 weight percent cotton fibers and (c) 1 to 40 weight percent aramid fibers, said percentage being from an arc based on components (a) (b) and (c) Yarn suitable to provide protection and flameproofing. （ａ）４５〜６０重量パーセントのモダクリル繊維、
（ｂ）１５〜３５重量パーセントの綿繊維および
（ｃ）５〜３０重量パーセントのアラミド繊維
を含んでなる請求項１に記載の糸。 (A) 45-60 weight percent modacrylic fiber,
The yarn of claim 1 comprising (b) 15-35 weight percent cotton fibers and (c) 5-30 weight percent aramid fibers. 繊維が、パラ−アラミド繊維とメタ−アラミド繊維の両方を含む請求項１に記載の糸。   The yarn of claim 1, wherein the fibers comprise both para-aramid fibers and meta-aramid fibers. 全アラミド繊維を基準として、パラ−アラミド繊維が、２０〜４０重量パーセントの範囲で存在し、メタ−アラミド繊維が、６０〜８０重量パーセントの範囲で存在する請求項３に記載の糸。   4. The yarn of claim 3, wherein the para-aramid fibers are present in the range of 20-40 weight percent and the meta-aramid fibers are present in the range of 60-80 weight percent, based on total aramid fibers. パラ−アラミド繊維が、２５〜３５重量パーセントの範囲で存在し、メタ−アラミド繊維が、６５〜７５重量パーセントの範囲で存在する請求項４に記載の糸。   The yarn according to claim 4, wherein the para-aramid fibers are present in the range of 25-35 weight percent and the meta-aramid fibers are present in the range of 65-75 weight percent. さらに、帯電防止成分を含有する請求項５に記載の糸。   Furthermore, the thread | yarn of Claim 5 containing an antistatic component. 帯電防止成分が、炭素もしくは金属である請求項６に記載の糸。   The yarn according to claim 6, wherein the antistatic component is carbon or metal. 帯電防止成分が、炭素である請求項７に記載の糸。   The yarn according to claim 7, wherein the antistatic component is carbon. さらに、帯電防止成分を含有する請求項１に記載の糸。   The yarn according to claim 1, further comprising an antistatic component. 帯電防止成分が、炭素である請求項９に記載の糸。   The yarn according to claim 9, wherein the antistatic component is carbon. （ａ）４０〜７５重量パーセントのモダクリル繊維、
（ｂ）１０〜４０重量パーセントの綿繊維および
（ｃ）１〜４０重量パーセントのアラミド繊維
を含んでなり、前記パーセントが、成分（ａ）（ｂ）および（ｃ）を基準とするアークおよび熱からの防護を提供するのに適切な布帛。 (A) 40-75 weight percent modacrylic fiber,
(B) comprising 10 to 40 weight percent cotton fibers and (c) 1 to 40 weight percent aramid fibers, said percentage being arc and heat based on components (a), (b) and (c) Suitable fabric to provide protection from. （ａ）４５〜６０重量パーセントのモダクリル繊維、
（ｂ）１５〜３５重量パーセントの綿繊維および
（ｃ）５〜３０重量パーセントのアラミド繊維
を含んでなる請求項１１に記載の布帛。 (A) 45-60 weight percent modacrylic fiber,
The fabric of claim 11 comprising (b) 15-35 weight percent cotton fibers and (c) 5-30 weight percent aramid fibers. ＡＳＴＭ Ｄ−６４１３−９９に基づいた炭化長が、６インチ未満である請求項１１に記載の布帛。   The fabric according to claim 11, wherein the carbonization length based on ASTM D-6413-99 is less than 6 inches. ＡＳＴＭ Ｄ−６４１３−９９に基づいた炭化長が、４．５インチ未満である請求項１１に記載の布帛。   12. The fabric of claim 11, wherein the carbonized length based on ASTM D-6413-99 is less than 4.5 inches. 布帛が、パラ−アラミドおよびメタ−アラミドの繊維を含む請求項１１に記載の布帛。   12. The fabric of claim 11, wherein the fabric comprises para-aramid and meta-aramid fibers. 全アラミド繊維を基準として、パラ−アラミド繊維が、２０〜４０重量パーセントの範囲で存在し、メタ−アラミド繊維が、６０〜８０重量パーセントの範囲で存在する請求項１５に記載の布帛。   16. The fabric of claim 15, wherein the para-aramid fibers are present in the range of 20-40 weight percent and the meta-aramid fibers are present in the range of 60-80 weight percent, based on total aramid fibers. パラ−アラミド繊維が、２５〜３５重量パーセントの範囲で存在し、メタ−アラミド繊維が、６５〜７５重量パーセントの範囲で存在する請求項１６に記載の布帛。   17. The fabric of claim 16, wherein the para-aramid fibers are present in the range of 25 to 35 weight percent and the meta-aramid fibers are present in the range of 65 to 75 weight percent. さらに、帯電防止成分を含有する請求項１１に記載の布帛。   Furthermore, the fabric of Claim 11 containing an antistatic component. （ａ）４０〜７５重量パーセントのモダクリル繊維、
（ｂ）１０〜４０重量パーセントの綿繊維および
（ｃ）１〜４０重量パーセントのアラミド繊維
を含んでなり、前記パーセントが、成分（ａ）（ｂ）および（ｃ）を基準とするアークおよび熱からの防護を提供するのに適切な衣服。 (A) 40-75 weight percent modacrylic fiber,
(B) comprising 10 to 40 weight percent cotton fibers and (c) 1 to 40 weight percent aramid fibers, said percentage being arc and heat based on components (a), (b) and (c) Appropriate clothing to provide protection from. （ａ）４５〜６０重量パーセントのモダクリル繊維、
（ｂ）１５〜３５重量パーセントの綿繊維および
（ｃ）５〜３０重量パーセントのアラミド繊維
を含んでなる請求項１６に記載の衣服。
(A) 45-60 weight percent modacrylic fiber,
The garment of claim 16 comprising (b) 15-35 weight percent cotton fibers and (c) 5-30 weight percent aramid fibers.
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WO2013047431A1 (en) * 2011-09-26 2013-04-04 株式会社カネカ Flameproof spun yarn, fabric, garment, and flameproof work garment
JP2013530315A (en) * 2010-04-30 2013-07-25 ドライファイア， エルエルシー Mixed fibers for garments with high heat, wear resistance and moisture management properties
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