JP2022090765A - Fabric and textile product - Google Patents
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- JP2022090765A JP2022090765A JP2020203264A JP2020203264A JP2022090765A JP 2022090765 A JP2022090765 A JP 2022090765A JP 2020203264 A JP2020203264 A JP 2020203264A JP 2020203264 A JP2020203264 A JP 2020203264A JP 2022090765 A JP2022090765 A JP 2022090765A
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- 239000004744 fabric Substances 0.000 title claims abstract description 35
- 239000004753 textile Substances 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 56
- 239000003063 flame retardant Substances 0.000 claims abstract description 24
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 17
- 229920002577 polybenzoxazole Polymers 0.000 claims abstract description 16
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 7
- -1 polyparaphenylene Polymers 0.000 claims abstract description 7
- 229920002972 Acrylic fiber Polymers 0.000 claims abstract description 4
- 229920000297 Rayon Polymers 0.000 claims abstract description 4
- 229920000728 polyester Polymers 0.000 claims abstract description 4
- 239000002964 rayon Substances 0.000 claims abstract description 4
- 239000002759 woven fabric Substances 0.000 claims description 13
- 230000004907 flux Effects 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 229920000265 Polyparaphenylene Polymers 0.000 abstract 1
- 238000009940 knitting Methods 0.000 description 9
- 239000004760 aramid Substances 0.000 description 8
- 238000009941 weaving Methods 0.000 description 4
- LVGKZTVMAHRVFR-UHFFFAOYSA-N 4-(phenoxazine-10-carbonyl)benzamide Chemical compound C1=CC(C(=O)N)=CC=C1C(=O)N1C2=CC=CC=C2OC2=CC=CC=C21 LVGKZTVMAHRVFR-UHFFFAOYSA-N 0.000 description 3
- 229920001494 Technora Polymers 0.000 description 3
- QZUPTXGVPYNUIT-UHFFFAOYSA-N isophthalamide Chemical compound NC(=O)C1=CC=CC(C(N)=O)=C1 QZUPTXGVPYNUIT-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000004950 technora Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229920000561 Twaron Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000005080 phosphorescent agent Substances 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000004762 twaron Substances 0.000 description 1
Landscapes
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
本発明は、難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する布帛および繊維製品に関する。 The present invention relates to fabrics and textile products that are not only flame retardant but also have excellent strength when exposed to flames or heat.
従来、消防服などの防護服に用いられる布帛として種々の布帛が提案されている。しかし、現在用いられている布帛は消防活動中に火炎や熱に一度でも暴露されると、その暴露を受けた部位が硬化、炭化して脆化してしまい、防護機能を著しく損ねるといった問題を有している。例えば、特許文献1では、耐熱性、軽量性、耐候性、および火炎暴露炭化後の布帛柔軟性を兼ね備えた布帛が提案されているが、熱暴露後の強度についてはまだ十分とはいえなかった。 Conventionally, various fabrics have been proposed as fabrics used for protective clothing such as firefighting clothing. However, if the fabric currently used is exposed to flame or heat even once during firefighting activities, the exposed part will harden, carbonize and become brittle, and there is a problem that the protective function is significantly impaired. is doing. For example, Patent Document 1 proposes a woven fabric having heat resistance, light weight, weather resistance, and woven fabric flexibility after flame exposure and carbonization, but the strength after heat exposure has not yet been sufficient. ..
本発明は上記の背景に鑑みなされたものであり、その目的は、難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する布帛および繊維製品を提供することにある。 The present invention has been made in view of the above background and an object thereof is to provide a fabric and a textile product which is not only flame-retardant but also has excellent strength when exposed by flame or heat.
本発明者は上記の課題を達成するため鋭意検討した結果、布帛を構成する繊維種類などを巧みに工夫することにより難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する布帛が得られることを見出し、さらに鋭意検討を重ねることにより本発明を完成するに至った。 As a result of diligent studies to achieve the above-mentioned problems, the present inventor has not only flame retardancy but also excellent strength when exposed to flame or heat by skillfully devising the fiber types constituting the fabric. The present invention has been completed by finding that the fabric to be possessed can be obtained and further diligently studying it.
かくして、本発明によれば「アラミド繊維を含む糸1とポリベンズオキサゾール繊維からなる糸2を含むことを特徴とする布帛。」が提供される。
その際、前記糸1が、難燃剤を含有するアラミド繊維を含む糸であることが好ましい。
Thus, according to the present invention, "a cloth characterized by containing a thread 1 containing an aramid fiber and a thread 2 composed of a polybenzoxazole fiber" is provided.
At that time, it is preferable that the thread 1 is a thread containing aramid fibers containing a flame retardant.
また、前記糸1が、ポリベンズオキサゾール繊維、ポリベンズオキサゾール繊維、酸化ポリアクリロニトリル繊維、難燃アクリル繊維、難燃レーヨン繊維、難燃ポリエステル繊維の群から選択されるいずれかの繊維をさらに含むことが好ましい。特に、前記糸1が、ポリパラフェニレンベンズビスオキサゾール繊維および/またはポリベンズオキサゾール繊維および/または酸化ポリアクリロニトリル繊維を糸1の重量対比10重量%以上含むことが好ましい。また、布帛が織物であり、前記糸2が経および緯に格子状に織り込まれており、かつ織物の経糸および緯糸において糸1と糸2が1:1~15:1の割合で配されてなることが好ましい。また、ISO17492で規定される試験装置を用いて熱流束84kW/m2の火炎で10秒間暴露した後のISO13934-1に規定される引張強度保持率(タテ方向またはヨコ方向)が10%以上であることが好ましい。また、ISO17492で規定される試験装置を用いて熱流束84kW/m2の火炎で10秒間暴露した後の熱収縮率(タテ方向またはヨコ方向)が15%以下であることが好ましい。 Further, the thread 1 further contains any fiber selected from the group of polybenzoxazole fiber, polybenzoxazole fiber, polyacrylonitrile oxide fiber, flame-retardant acrylic fiber, flame-retardant rayon fiber, and flame-retardant polyester fiber. Is preferable. In particular, it is preferable that the yarn 1 contains polyparaphenylene benzbisoxazole fiber and / or polybenzoxazole fiber and / or polyacrylonitrile oxide fiber in an amount of 10% by weight or more based on the weight of the yarn 1. Further, the cloth is a woven fabric, the threads 2 are woven in a grid pattern in the warp and weft, and the threads 1 and 2 are arranged in a ratio of 1: 1 to 15: 1 in the warp and weft of the woven fabric. Is preferable. In addition, the tensile strength retention rate (vertical direction or horizontal direction) specified in ISO13934-1 after exposure to a flame with a heat flux of 84 kW / m 2 for 10 seconds using the test equipment specified in ISO17492 is 10% or more. It is preferable to have. Further, it is preferable that the heat shrinkage rate (vertical direction or horizontal direction) after exposure for 10 seconds with a flame having a heat flux of 84 kW / m 2 using a test device defined by ISO 17492 is 15% or less.
また、本発明によれば、前記の布帛を用いてなる、防護服、消防防火服、消防活動服、救助服、ワークウェア、警察制服、自衛隊衣服、および軍服からなる群より選択されるい
ずれかの繊維製品が提供される。
Further, according to the present invention, any one selected from the group consisting of protective clothing, fire-fighting fire-fighting clothing, fire-fighting activity clothing, rescue clothing, workwear, police uniforms, self-defense force clothing, and military clothing using the above-mentioned cloth. Textile products are provided.
本発明によれば、難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する布帛および繊維製品が得られる。 According to the present invention, it is possible to obtain fabrics and textile products which are not only flame-retardant but also have excellent strength when exposed by flame or heat.
以下、本発明の実施の形態について詳細に説明する。まず、本発明の布帛において、糸1はアラミド繊維(全芳香族ポリアミド繊維)を含む。かかるアラミド繊維としては、メタ系アラミド繊維、パラ系アラミド繊維、およびこれらの繊維の混合などいずれでもよい。 Hereinafter, embodiments of the present invention will be described in detail. First, in the fabric of the present invention, the yarn 1 contains aramid fibers (total aromatic polyamide fibers). The aramid fiber may be any of a meta-type aramid fiber, a para-type aramid fiber, and a mixture of these fibers.
ここで、メタ系アラミド繊維はメタフェニレンイソフタルアミド繊維であり、市販品では、帝人株式会社製の「コーネックス」(商標名)や「コーネックスネオ」(商標名)、デュポン社製「ノーメックス」(商標名)などが知られている。パラ系アラミド繊維としては、パラフェニレンテレフタルアミド繊維(市販品では、帝人株式会社製「トワロン」(商標名)、東レ・デュポン株式会社製「ケブラー」(商標名)など)、コパラフェニレン・3、4’オキシジフェニレンテレフタルアミド繊維(市販品では、帝人株式会社製「テクノーラ」(商標名)など)いずれでもよい。 Here, the meta-aramid fiber is a metaphenylene isophthalamide fiber, and as commercial products, "Conex" (trade name) and "Conex Neo" (trade name) manufactured by Teijin Limited, and "Nomex" manufactured by DuPont. (Trademark name) etc. are known. Para-based aramid fibers include para-phenylene terephthalamide fiber (commercially available products such as "Twaron" (brand name) manufactured by Teijin Limited, "Kevlar" (brand name) manufactured by Toray DuPont Co., Ltd.), and co-para-phenylene 3. Any of the 4'oxydiphenylene terephthalamide fibers (commercially available products such as "Technora" (trade name) manufactured by Teijin Limited) may be used.
前記アラミド繊維は、難燃剤、酸化防止剤、紫外線吸収剤、熱安定剤、酸化チタン、着色剤、不活性微粒子などの添加剤を含有してもよい。難燃剤を含有するアラミド繊維であることが好ましく、特に、難燃剤を含有するメタ系アラミド繊維であると熱暴露時の収縮を低減することができ好ましい。 The aramid fiber may contain additives such as flame retardants, antioxidants, ultraviolet absorbers, heat stabilizers, titanium oxide, colorants, and inert fine particles. Aramid fibers containing a flame retardant are preferable, and meta-aramid fibers containing a flame retardant are particularly preferable because they can reduce shrinkage during heat exposure.
前記糸1はアラミド繊維のみで構成されていてもよいし他の繊維を含んでいてもよい。例えば、ポリパラフェニレンベンズビスオキサゾール繊維、ポリベンズオキサゾール繊維、酸化ポリアクリロニトリル繊維、難燃アクリル繊維、難燃レーヨン繊維、難燃ポリエステル繊維の群から選択されるいずれかの繊維をさらに含んでいてもよい。また、前記糸1が、ポリベンズオキサゾール繊維および/またはポリベンズオキサゾール繊維および/または酸化ポリアクリロニトリル繊維を糸重量対比10重量%以上含んでいてもよい。 The thread 1 may be composed of only aramid fibers or may contain other fibers. For example, it may further contain any fiber selected from the group of polyparaphenylene benzbisoxazole fiber, polybenzoxazole fiber, polyacrylonitrile oxide fiber, flame-retardant acrylic fiber, flame-retardant rayon fiber, and flame-retardant polyester fiber. good. Further, the yarn 1 may contain polybenzoxazole fiber and / or polybenzoxazole fiber and / or polyacrylonitrile oxide fiber in an amount of 10% by weight or more based on the yarn weight.
前記糸1の形態は特に限定されず、紡績糸、長繊維(マルチフィラメント)、これらの複合糸、いずれでもよいが、紡績糸が好ましい。特に、メタ系アラミド繊維の混紡率が2~100重量%(より好ましくは30~100重量%)の紡績糸が好ましい。 The form of the yarn 1 is not particularly limited, and may be a spun yarn, a long fiber (multifilament), or a composite yarn thereof, but a spun yarn is preferable. In particular, spun yarn having a blending ratio of meta-aramid fibers of 2 to 100% by weight (more preferably 30 to 100% by weight) is preferable.
前記糸1において、総繊度は、用途に応じて、表面外観、耐熱性、熱防護性、伸縮性、風合いなどを考慮して適宜選択すればよく、特に紡績糸の場合、繊度は58dtex(英式綿番手100番単糸相当)~580dtex(英式綿番手10番手相当)の範囲が好ましい。 In the yarn 1, the total fineness may be appropriately selected in consideration of surface appearance, heat resistance, heat protection, elasticity, texture, etc., depending on the intended use. Especially in the case of spun yarn, the fineness is 58 dtex (English). The range from (equivalent to 100th single yarn) to 580dtex (equivalent to 10th English cotton count) is preferable.
また、前記糸1の単繊維繊度は、良好な紡績工程通過性、柔軟性の求められている衣料用途への使用の観点から、0.6~5.5dtexの範囲が好ましい。 The single fiber fineness of the yarn 1 is preferably in the range of 0.6 to 5.5 dtex from the viewpoint of use in clothing applications where good spinning process passability and flexibility are required.
本発明の布帛において、糸2はポリベンズオキサゾール繊維からなる。かかるポリベンズオキサゾール繊維として市販品では、東洋紡社製「ザイロン」(商標名)が知られている。糸2はフィラメント(長繊維)でもよいし紡績糸(短繊維)でもよい。
ここで、糸2の総繊度としては278~1670dtexの範囲が好ましく、フィラメント(長繊維)の場合はフィラメント数としては166~996本の範囲が好ましい。
In the fabric of the present invention, the thread 2 is made of polybenzoxazole fiber. As a commercially available product of such polybenzoxazole fiber, "Zylon" (trade name) manufactured by Toyobo Co., Ltd. is known. The yarn 2 may be a filament (long fiber) or a spun yarn (short fiber).
Here, the total fineness of the yarn 2 is preferably in the range of 278 to 1670 dtex, and in the case of filaments (long fibers), the number of filaments is preferably in the range of 166 to 996.
本発明の布帛において、布帛組織としては特に限定されないが、織物または編物であることが好ましく、特に織物が好ましい。織物であれば、平組織、綾組織、朱子組織および各組織のリップストップ化などが例示される。また、編物であれば、機械編、かぎ針編、棒針編、アフガン編、レース編などが例示される。 In the cloth of the present invention, the cloth structure is not particularly limited, but it is preferably a woven fabric or a knitted fabric, and a woven fabric is particularly preferable. In the case of woven fabrics, plain weaves, twill weaves, sapphire structures, and ripstops of each structure are exemplified. In the case of knitting, machine knitting, crochet knitting, knitting needle knitting, Afghan knitting, lace knitting and the like are exemplified.
ここで、火炎または熱によって暴露された際の強度を高める上で、布帛が織物であり、前記糸2が経および緯に格子状に織り込まれており、かつ織物の経糸および緯糸において糸1と糸2とがこの順に1:1~15:1(より好ましくは2:1~10:1)の割合で配されていることが好ましい。 Here, in order to increase the strength when exposed to flame or heat, the fabric is a woven fabric, the threads 2 are woven in a grid pattern in warps and wefts, and the warps and wefts of the woven fabric are woven with threads 1. It is preferable that the threads 2 are arranged in this order at a ratio of 1: 1 to 15: 1 (more preferably 2: 1 to 10: 1).
製編織の方法は特に限定されず、通常の編機や織機を用いた方法でよい。また、かかる布帛に、精錬、リラックス、染色処理、セットなどの熱処理を施してもよい。さらには、吸水加工、撥水加工、起毛加工、難燃加工、紫外線遮蔽あるいは抗菌剤、消臭剤、防虫剤、蓄光剤、再帰反射剤、マイナスイオン発生剤等の機能を付与する各種加工を付加適用してもよい。 The method of knitting and weaving is not particularly limited, and a method using a normal knitting machine or loom may be used. In addition, the fabric may be subjected to heat treatment such as refining, relaxing, dyeing, and setting. Furthermore, various processing that imparts functions such as water absorption processing, water repellent processing, brushing processing, flame retardant processing, UV shielding or antibacterial agent, deodorant, insect repellent, phosphorescent agent, retroreflective agent, negative ion generator, etc. It may be additionally applied.
かくして得られた布帛は、難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する。ISO17492で規定される試験装置を用いて熱流束84kW/m2の火炎で10秒間暴露した後の引張強度保持率(タテ方向および/またはヨコ方向)が10%以上(より好ましくは10~60%)であることが好ましい。その際、初期引張強度としては1000N以上(より好ましくは1000~10000N)であることが好ましい。また、ISO17492で規定される試験装置を用いて熱流束84kW/m2の火炎で10秒間暴露した時の熱収縮率(タテ方向および/またはヨコ方向)が15%以下(より好ましくは1~15%)であることが好ましい。 The fabric thus obtained is not only flame-retardant, but also has excellent strength when exposed by flame or heat. The tensile strength retention rate (vertical direction and / or horizontal direction) after exposure to a flame with a heat flux of 84 kW / m 2 for 10 seconds using the test equipment specified by ISO17492 is 10% or more (more preferably 10 to 60%). ) Is preferable. At that time, the initial tensile strength is preferably 1000 N or more (more preferably 1000 to 10000 N). Further, the heat shrinkage rate (vertical direction and / or horizontal direction) when exposed to a flame with a heat flux of 84 kW / m 2 for 10 seconds using the test device specified by ISO17492 is 15% or less (more preferably 1 to 15). %) Is preferable.
次に、本発明の繊維製品は、前記の布帛を用いてなる、防護服、消防防火服、消防活動服、救助服、ワークウェア、警察制服、自衛隊衣服、および軍服からなる群より選択されるいずれかの繊維製品である。かかる繊維製品は前記の布帛を用いているので、難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する。 Next, the textile product of the present invention is selected from the group consisting of protective clothing, fire-fighting clothing, fire-fighting activity clothing, rescue clothing, workwear, police uniforms, self-defense force clothing, and military clothing using the above-mentioned cloth. One of the textile products. Since such a textile product uses the above-mentioned fabric, it has not only flame retardancy but also excellent strength when exposed by flame or heat.
次に本発明の実施例および比較例を詳述するが、本発明はこれらによって限定されるものではない。 Next, examples and comparative examples of the present invention will be described in detail, but the present invention is not limited thereto.
(1)熱暴露後の引張強度および引張強度保持率
ISO17492で規定される試験装置を用いて熱流束84kW/m2の火炎で10秒間暴露した後、ISO13934-1に規定される引張試験を行った。なお、織物のタテ方向について測定した。
引張強度保持率(%)=熱暴露後の引張強度÷初期引張強度×100
(1) Tensile strength and tensile strength retention rate after heat exposure After exposure to a flame with a heat flux of 84 kW / m 2 for 10 seconds using the test equipment specified by ISO17492, a tensile test specified by ISO13934-1 is performed. rice field. The vertical direction of the woven fabric was measured.
Tensile strength retention rate (%) = Tensile strength after heat exposure ÷ Initial tensile strength x 100
(2)熱暴露時の熱収縮率
ISO17492で規定される試験装置を用いて熱流束84kW/m2の火炎で10秒間暴露した後、室温下で、熱暴露前と後の試験片長さより熱収縮率を求めた。なお、織物のタテ方向およびヨコ方向について測定した。
熱収縮率(%)=(熱暴露後-熱暴露前の試験片長さ)÷熱暴露前の試験片長さ×100
(2) Heat shrinkage rate during heat exposure After exposure for 10 seconds with a flame with a heat flux of 84 kW / m 2 using the test equipment specified by ISO17492, heat shrinkage from the length of the test piece before and after heat exposure at room temperature. I asked for the rate. The vertical and horizontal directions of the woven fabric were measured.
Heat shrinkage rate (%) = (after heat exposure-test piece length before heat exposure) ÷ test piece length before heat exposure x 100
[実施例1]
ポリメタフェニレンイソフタルアミド繊維(帝人社製「コーネックス」(商標名))とコパラフェニレン・3、4’オキシジフェニレンテレフタルアミド繊維(帝人社製、商標名:テクノーラ)とを混合比率(重量比率)が90:10となる割合で混合した紡績糸(
番手:40/2)を糸1とした。ポリパラフェニレンベンズビスオキサゾール繊維(東洋紡社製「ザイロン」(商標名))のフィラメント(278dtex)を糸2とした。
[Example 1]
Mixing ratio (weight) of polymethaphenylene isophthalamide fiber (Teijin's "Conex" (trade name)) and coparaphenylene 3,4'oxydiphenylene terephthalamide fiber (Teijin's, brand name: Technora) Spun yarn (ratio) mixed at a ratio of 90:10 (
The count: 40/2) was set as thread 1. The filament (278dtex) of the polyparaphenylene benzbisoxazole fiber (“Zylon” (trade name) manufactured by Toyobo Co., Ltd.) was used as the thread 2.
次いで、経糸は糸1:糸2を3:1、緯糸は第1の糸1:糸2を2:1の割合で配して、織物密度が経100本/インチ(2.54cm)、緯71本/インチ(2.54cm)の綾織に製織し、目付220g/m2の織物を得た。糸1の経方向の間隔は1.1mm、緯方向の間隔は1.3mmであった。熱暴露前後の経方向の引張強度、および熱暴露後の熱収縮率の測定結果を表1に示す。 Next, the warp yarns are arranged with yarn 1: yarn 2 in a ratio of 3: 1 and the weft yarns are arranged in a ratio of first yarn 1: yarn 2 in a ratio of 2: 1. Weaving was performed on a twill weft of 71 yarns / inch (2.54 cm) to obtain a fabric having a grain of 220 g / m 2 . The distance between the yarns 1 in the warp direction was 1.1 mm, and the distance in the weft direction was 1.3 mm. Table 1 shows the measurement results of the tensile strength in the warp direction before and after heat exposure and the heat shrinkage rate after heat exposure.
[実施例2]
実施例1において、経糸は糸1:糸2を9:1、緯糸は糸1:糸2を6:1の割合に変更する以外は実施例1と同様に実施した。糸1の経方向の間隔は2.3mm、緯方向の間隔は2.5mmであった。
[Example 2]
In Example 1, the warp was changed to thread 1: thread 2 to 9: 1, and the weft was changed to thread 1: thread 2 to a ratio of 6: 1. The spacing in the warp direction of the yarn 1 was 2.3 mm, and the spacing in the weft direction was 2.5 mm.
[実施例3]
実施例1において、経糸は糸1:糸2を18:1、緯糸は糸1:糸2を12:1の割合に変更する以外は実施例1と同様に実施した。糸1の経方向の間隔は4.6mm、緯方向の間隔は5.5mmであった。
[Example 3]
In Example 1, the warp was changed to the ratio of thread 1: thread 2 to 18: 1, and the weft was changed to the ratio of thread 1: thread 2 to 12: 1. The spacing in the warp direction of the yarn 1 was 4.6 mm, and the spacing in the weft direction was 5.5 mm.
[実施例4]
実施例1において、ポリメタフェニレンイソフタルアミド繊維(帝人社製「コーネックス」(商標名))とコパラフェニレン・3、4’オキシジフェニレンテレフタルアミド繊維(帝人社製、商標名:テクノーラ)とポリパラフェニレンベンズビスオキサゾール繊維(東洋紡社製「ザイロン」(商標名))とを混合比率が70:20:10となる割合で混合した紡績糸(番手:30/2)を糸1とする以外は実施例1と同様に実施した。
[Example 4]
In Example 1, polymethaphenylene isophthalamide fiber (Teijin's "Conex" (trade name)) and coparaphenylene 3,4'oxydiphenylene terephthalamide fiber (Teijin's, brand name: Technora) Except for the spun yarn (count: 30/2) in which polyparaphenylene benzbisoxazole fiber (“Zylon” (trade name) manufactured by Toyobo Co., Ltd.) is mixed at a mixing ratio of 70:20:10 to be thread 1. Was carried out in the same manner as in Example 1.
[比較例1]
実施例1において、糸1のみを用いて織物密度が経100本/インチ(2.54cm)、緯71本/インチ(2.54cm)の綾織に製織する以外は実施例1と同様に実施した。
[Comparative Example 1]
In Example 1, the same procedure as in Example 1 was carried out except that weaving a twill weave having a weaving density of 100 warp / inch (2.54 cm) and 71 wefts / inch (2.54 cm) using only yarn 1. ..
本発明によれば、難燃性だけでなく、火炎または熱によって暴露された際に優れた強度を有する布帛および繊維製品が得られその工業的価値は極めて大である。 According to the present invention, not only flame retardant but also fabrics and textile products having excellent strength when exposed by flame or heat can be obtained, and their industrial value is extremely great.
Claims (8)
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