JP5662013B2 - Cut-resistant fabric and cut-resistant protective clothing using the same - Google Patents
Cut-resistant fabric and cut-resistant protective clothing using the same Download PDFInfo
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- JP5662013B2 JP5662013B2 JP2009182483A JP2009182483A JP5662013B2 JP 5662013 B2 JP5662013 B2 JP 5662013B2 JP 2009182483 A JP2009182483 A JP 2009182483A JP 2009182483 A JP2009182483 A JP 2009182483A JP 5662013 B2 JP5662013 B2 JP 5662013B2
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- 239000004744 fabric Substances 0.000 title claims description 52
- 230000001681 protective effect Effects 0.000 title claims description 20
- 239000000835 fiber Substances 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000009210 therapy by ultrasound Methods 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 description 7
- 239000004760 aramid Substances 0.000 description 6
- 238000002788 crimping Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 229920006231 aramid fiber Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920000561 Twaron Polymers 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000004762 twaron Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 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 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004693 Polybenzimidazole Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 208000035824 paresthesia Diseases 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920006376 polybenzimidazole fiber Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Description
本発明は、軽量で耐切創性能に優れた布帛およびそれを用いた耐切創防護衣料に関し、さらに詳しくは、捲縮加工を施した繊維により構成され、重量を大幅に増加させることなく耐切創性能を向上させた布帛およびそれを用いた耐切創防護衣料に関するものである。 The present invention relates to a lightweight fabric excellent in cut resistance and a cut resistant protective garment using the same, and more specifically, is made of crimped fibers and has a cut resistant performance without significantly increasing the weight. The present invention relates to a fabric with improved wear and a cut-resistant protective clothing using the same.
近年、バタフライナイフや出刃包丁のような鋭利な刃物により、理由無く切りつけられる事件や犯罪が多発している。このような刃物から身体を保護するために耐切創性に優れた防護衣料が求められている。従来、警察官や警備隊員など危険な任務の従事する人は、事前に危険を回避するため、防刃衣や防刃用具を着用することがある。これらを構成する防護衣料用材料として、鉄板やチタン板、セラミック板、ポリカーボネート樹脂板などの硬質の平板、またはこれらを布帛で被覆したものなどがある。しかし、これらは防護性能が十分であっても、比重が大きいために非常に重く、しかもそれ自体が全く柔軟性を有していないため、作業性が悪いという欠点があった。このため、軽量で作業性の良い点から高強力繊維を用いた防護衣料が開発されている。なかでもアラミド繊維を用いた布帛は軽量かつ柔軟性に優れ、通常の繊維からなる布帛に比べれば、高い防護性能を示すが、アラミド繊維を用いるのみでは刃物に対して十分な防護性能を有するとは言えず、布帛表面に硬質無機物粒子を固着させることにより耐切創性能を向上させた素材が提案されている（特許文献１）。しかしながら、これら特許文献１に開示された素材は、布帛の重量を大幅に増加させるだけでなく、ごわつき感があり作業性に劣るという問題点を有している。 In recent years, there have been many incidents and crimes that can be cut without reason due to sharp blades such as butterfly knives and knife blades. In order to protect the body from such a knife, protective clothing excellent in cut resistance is required. Conventionally, a person engaged in a dangerous mission such as a police officer or a guard member sometimes wears anti-blade garments and anti-blade tools in order to avoid danger in advance. As materials for protective clothing constituting these, there are a hard flat plate such as an iron plate, a titanium plate, a ceramic plate, and a polycarbonate resin plate, or those coated with a cloth. However, these have a drawback that even if the protective performance is sufficient, they are very heavy due to the large specific gravity, and they are not flexible at all, so that the workability is poor. For this reason, protective clothing using high-strength fibers has been developed because of its light weight and good workability. Among them, a fabric using an aramid fiber is lightweight and excellent in flexibility, and exhibits a higher protection performance than a fabric made of ordinary fibers, but only using an aramid fiber has a sufficient protection performance against a knife. However, a material having improved cut resistance performance by fixing hard inorganic particles to the fabric surface has been proposed (Patent Document 1). However, these materials disclosed in Patent Document 1 not only greatly increase the weight of the fabric, but also have a problem of being stiff and inferior in workability.
本発明者らの検討によれば、紡績糸を含む繊維からなる繊維構造物について温水中で超音波処理などを行うことにより、耐切創性が向上することがわかったが、繊維構造体の薄くすると所望の耐切創性が得られないことがあることがわかった。 According to the study by the present inventors, it was found that by performing ultrasonic treatment or the like in warm water on a fiber structure composed of fibers containing spun yarn, the cut resistance is improved. Then, it has been found that the desired cut resistance may not be obtained.
本発明の目的は、上記従来技術の有する問題点を解決し、重量、厚みを大幅に増加させることなく耐切創性能を向上させ、さらにごわつき感なく良好な着用感を保持した、軽量で柔軟な耐切創布帛およびそれを用いた耐切創防護衣料を提供することにある。 The object of the present invention is to solve the above-mentioned problems of the prior art, improve the cut resistance performance without significantly increasing the weight and thickness, and maintain a good wearing feeling without being stiff. An object is to provide a cut resistant fabric and a cut resistant protective clothing using the same.
本発明者らは、高強度フィラメント糸に捲縮加工を施した繊維により構成された布帛に、最適な処理、たとえば温水浸漬処理と同時に超音波処理を施すことで、繊維構造物を構成するフィラメントの繊維間摩擦の最大値Ｆｍａｘを向上させることができ、布帛の重量を大幅に増加させることなく高い耐切創性能を有し、軽量で柔軟な耐切創布帛が得られることを見出した。 The inventors of the present invention have provided a filament that constitutes a fiber structure by performing an optimum treatment, for example, an ultrasonic treatment simultaneously with a hot water dipping treatment, on a fabric constituted by fibers obtained by crimping a high-strength filament yarn. The maximum value Fmax of the inter-fiber friction can be improved, and it has been found that a lightweight and flexible cut-resistant fabric having high cut-resistant performance without significantly increasing the weight of the fabric can be obtained.
かくして本発明によれば、高強度フィラメント糸からなる布帛であって、該高強度フィラメント糸には捲縮加工が施されており、残留捲縮率が１０．０％以上、該高強度フィラメント糸の下記測定方法で測定した繊維間摩擦の最大値Ｆｍａｘが７１０ｇ以上であり、水中で超音波処理されていることを特徴とする耐切創性布帛が提供される。 Thus, according to the present invention, a fabric composed of high-strength filament yarn, wherein the high-strength filament yarn is crimped and the residual crimp rate is 10.0% or more, and the high-strength filament yarn The maximum value Fmax of the inter-fiber friction measured by the following measurement method is 710 g or more , and a cut-resistant fabric characterized by being ultrasonically treated in water is provided.
（繊維間摩擦の最大値Ｆｍａｘの測定方法）
布帛を構成する繊維の一端を固定し、３回撚りをかけた後、他の一端に荷重（Ｔ１）をかけ、０．１ｍ／分のスピードで繊維を動かした際の張力（Ｔ２）の最大値（Ｔ２ｍａｘ）を測定し、下式により繊維間摩擦の最大値（Ｆｍａｘ）を求める。
Ｆｍａｘ＝Ｔ２ｍａｘ―Ｔ１
(Measurement method of maximum value Fmax of friction between fibers)
After fixing one end of the fiber constituting the fabric and twisting it three times, the load (T1) is applied to the other end, and the maximum tension (T2) when the fiber is moved at a speed of 0.1 m / min The value (T2max) is measured, and the maximum value (Fmax) of inter-fiber friction is obtained by the following equation.
Fmax = T2max−T1
本発明によれば、重量を大幅に増加させることなく耐切創性能を向上させた、さらにごわつき感なく着用感に優れた、耐切創布帛およびそれを用いた耐切創防護衣料を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the cut-resistant fabric which improved the cut-resistant performance, without increasing a weight significantly, and was excellent in the feeling of wearing without a feeling of stickiness, and a cut-resistant protective clothing using the same can be provided. .
以下、本発明を詳細に説明する。本発明においては、軽量でかつ柔軟な耐切創布帛および耐切創防護衣料を得るために、これを構成する高強度フィラメント糸には捲縮加工が施されており、残留捲縮度が１０．０％以上、該高強度フィラメント糸の下記測定方法で測定した繊維間摩擦の最大値Ｆｍａｘが７１０以上であることが必要である。 Hereinafter, the present invention will be described in detail. In the present invention, in order to obtain a lightweight and flexible cut-resistant fabric and cut-resistant protective clothing, the high-strength filament yarn constituting the fabric is crimped, and the residual crimp degree is 10.0. %, The maximum value Fmax of the inter-fiber friction measured by the following measuring method of the high-strength filament yarn needs to be 710 or more.
ここで、繊維間摩擦の最大値Ｆｍａｘは、以下の方法により測定した値である。すなわち、布帛を構成する繊維の一端を固定し、３回撚りをかけた後、他の一端に荷重（Ｔ１）をかけ、０．１ｍ／分のスピードで繊維を動かした際の張力（Ｔ２）の最大値（Ｔ２ｍａｘ）を測定し、下式により繊維間摩擦の最大値（Ｆｍａｘ）を求める。
Ｆｍａｘ＝Ｔ２ｍａｘ―Ｔ１
Here, the maximum value Fmax of the inter-fiber friction is a value measured by the following method. That is, after fixing one end of the fiber constituting the fabric and twisting it three times, the load (T1) is applied to the other end, and the tension (T2) when the fiber is moved at a speed of 0.1 m / min. The maximum value (T2max) is measured, and the maximum value (Fmax) of the inter-fiber friction is obtained by the following equation.
Fmax = T2max−T1
本発明においては、高強度フィラメント糸に捲縮加工を施したものであることが肝要であり、これにより紡績糸などよりも高い切創抵抗力を得ることができる。このため、紡績糸からなる布帛により十分な耐切創性を得ようとすれば、目付をかなり高くする必要があり、着用感を阻害されるのに対し、本発明の耐切創布帛では低目付けでも十分な切創性を実現することができ、同時に快適な着用感をも達成することができる。 In the present invention, it is important that the high-strength filament yarn is crimped, so that a higher cutting resistance than a spun yarn can be obtained. For this reason, if a fabric made of spun yarn is used to obtain a sufficient cut resistance, the basis weight needs to be considerably increased, and the feeling of wearing is hindered, whereas the cut resistant fabric of the present invention has a low basis weight. Sufficient cutting ability can be realized, and at the same time, a comfortable wearing feeling can be achieved.
本発明でいう高強度フィラメント糸とは、強度が１０ｃＮ／ｄｔeｘ以上のものを指し、好ましくは１６ｃＮ／ｄｔeｘ以上のものが好ましい。これにより、高い耐切創性を発揮することができる。上記高強度フィラメント糸を構成する繊維としては、例えば、メタ型アラミド繊維、パラ型アラミド繊維、ポリベンゾイミダゾール繊維、ポリイミド繊維、ポリアミドイミド繊維、ポリエーテルイミド繊維、ポリアリレート繊維、ポリパラフェニレンベンゾビスオキサゾール繊維、高重合度ポリエチレン繊維、ポリケトン繊維などを好適に挙げることができる。特に本発明においては、織物や編物強度を向上させる目的でパラ系のアラミド繊維、すなわち、ポリパラフェニレンテレフタルアミド、あるいは、これに第３成分を共重合した繊維などを用いることが有用である。ポリパラフェニレンテレフタルアミド共重合体の一例として、下記式に示すコポリパラフェニレン・３．４’オキシジフェニレンテレフタルアミドが例示される。 The high-strength filament yarn referred to in the present invention refers to one having a strength of 10 cN / dtex or more, preferably 16 cN / dtex or more. Thereby, high cut resistance can be exhibited. Examples of the fibers constituting the high-strength filament yarn include meta-type aramid fiber, para-type aramid fiber, polybenzimidazole fiber, polyimide fiber, polyamideimide fiber, polyetherimide fiber, polyarylate fiber, and polyparaphenylenebenzobis. Preferable examples include oxazole fibers, high-polymerization polyethylene fibers, and polyketone fibers. In particular, in the present invention, it is useful to use para-aramid fibers, that is, polyparaphenylene terephthalamide, or fibers obtained by copolymerizing a third component thereto, for the purpose of improving the strength of woven fabrics and knitted fabrics. As an example of the polyparaphenylene terephthalamide copolymer, copolyparaphenylene 3.4'oxydiphenylene terephthalamide represented by the following formula is exemplified.
本発明でいう捲縮加工とは、例えば、高強度フィラメントに加撚−解撚法、仮撚り法、押し込み捲縮法、擦過法、空気噴射法、ニット・デニット法、ギア倦縮法など公知の手法を用いて捲縮を付与させることを指し、捲縮数が３〜１４山／２５ｍｍインチであれば、上記手法に限定されるものではない。また、捲縮付与後に繊維を加熱して捲縮形状を熱固定することもできる。残留捲縮率が１０．０％以上であることが必要であり、１３．０％以上であることが好ましく、１３．０〜３０．０％であることがより好ましい。 The crimping process as used in the present invention is, for example, a known method such as twisting-untwisting method, false twisting method, indentation crimping method, scraping method, air jetting method, knit / deniting method, gear crimping method, etc. If the number of crimps is 3-14 crests / 25 mm inch, it is not limited to the above method. In addition, the crimped shape can be heat-set by heating the fiber after crimping. The residual crimp rate is required to be 10.0% or more, preferably 13.0% or more, and more preferably 13.0 to 30.0%.
本発明では、該布帛が耐切創性に優れた性能であるためには、Ｆｍａｘの値は７１０以上である必要がある。好ましくは７１５〜８６０、また更に好ましくは７２０〜８３０である。Ｆｍａｘが大きすぎると着用した際にかたく感じ、また逆に小さすぎると十分な耐切創性が得られない。 In the present invention, the value of Fmax needs to be 710 or more in order for the fabric to have excellent cut resistance. Preferably it is 715-860, More preferably, it is 720-830. If Fmax is too large, it feels hard when worn, and conversely if it is too small, sufficient cut resistance cannot be obtained.
布帛のＦｍａｘの値を向上させるために例えば温水中で超音波処理を行うことが好ましく例示される。
温水としては４０〜８０℃が好ましく、処理温度が４０℃以下の場合は耐切創性向上効果は著しいものではなく、また８０℃以上であった場合には布帛の物性や形態が変化するため好ましくない。
In order to improve the value of Fmax of the fabric, for example, ultrasonic treatment is preferably performed in warm water, for example.
The warm water is preferably 40 to 80 ° C., and when the treatment temperature is 40 ° C. or less, the effect of improving cut resistance is not significant, and when the treatment temperature is 80 ° C. or more, the physical properties and form of the fabric are preferably changed. Absent.
超音波処理としては周波数２０〜１００ｋＨｚが好ましく、２０ｋＨｚ未満の場合は十分に処理できず耐切創性向上効果が著しいものではなく、１００ｋＨｚより大きい場合はサンプル形状が変わってしまう可能性がある。またサンプルは温水中に完全に浸漬しているものとする。 As the ultrasonic treatment, a frequency of 20 to 100 kHz is preferable. When the frequency is less than 20 kHz, the treatment cannot be sufficiently performed, and the effect of improving cut resistance is not significant. When the frequency is higher than 100 kHz, the sample shape may be changed. The sample shall be completely immersed in warm water.
この方法により、繊維間の摩擦を向上させることで、刃が布帛に接触した際に布帛が嵩高性を維持することができることにより耐切創性が向上するものと考えられる。
温水中で超音波処理をすることにより繊維間摩擦が上がる理由については明らかではないが、超音波処理により油剤等が繊維表面から脱落することや、繊維表面が衝撃により微細変化（フィブリル化等）が生じるによるものと考えられる。
By improving the friction between the fibers by this method, it is considered that the cut resistance is improved by maintaining the bulkiness of the fabric when the blade contacts the fabric.
The reason why friction between fibers increases by ultrasonic treatment in warm water is not clear, but oil treatment drops off the fiber surface due to ultrasonic treatment, and the fiber surface undergoes minute changes (such as fibrillation) due to impact. It is thought that this is caused by
単繊維繊度は０．５〜５．０ｄｅｘ、より好ましくは０．５〜３．０ｄｅｘ、更に好ましくは０．９〜２．４ｄｅｘの範囲である。単糸繊度が小さすぎると耐切創性の改善が少なく、反対に大きすぎると、布帛（手袋や織編物等）に柔軟性がなく、ちくちく感を感じることもある。 The single fiber fineness is in the range of 0.5 to 5.0 dex, more preferably 0.5 to 3.0 dex, and still more preferably 0.9 to 2.4 dex. If the single yarn fineness is too small, the improvement in cut resistance is small. On the other hand, if the single yarn fineness is too large, the fabric (gloves, woven or knitted fabric) is not flexible and may feel a tingling sensation.
本発明の耐切創布帛は、目付けが２００ｇ／ｍ２以上５００ｇ／ｍ２以下であることが好ましい。目付けが２００ｇ／ｍ２を下回る場合には、十分な耐切創性能が得られない恐れがあり、５００ｇ／ｍ２を上回る場合には、防護衣料の重量が重くなり、着用者の負担を大きくするため、作業性を悪化させるだけでなく、疲労感を増大させる。また、厚みが４．５ｍｍ以下であることが好ましく、３．５ｍｍ以下であることが好ましい。布帛の厚みが４．５ｍｍを上回る場合には、柔軟性が阻害され、ごわつき感が増大するため、着用感を悪化させる恐れがある。ただ、厚みがあまり低すぎると切創性が低下する傾向にあるため、布帛の厚みは、０．５ｍｍ以上が好ましく、１．０ｍｍ以上がより好ましい。 The cut-resistant fabric of the present invention preferably has a basis weight of 200 g / m 2 or more and 500 g / m 2 or less. If the basis weight is less than 200 g / m 2 , sufficient cut-resistant performance may not be obtained. If the basis weight is more than 500 g / m 2 , the weight of the protective garment becomes heavy and increases the burden on the wearer. Not only worsen workability, but also increase fatigue. Moreover, it is preferable that thickness is 4.5 mm or less, and it is preferable that it is 3.5 mm or less. When the thickness of the fabric exceeds 4.5 mm, the flexibility is hindered and the feeling of stiffness increases, which may worsen the feeling of wearing. However, if the thickness is too low, the cutting property tends to be lowered. Therefore, the thickness of the fabric is preferably 0.5 mm or more, and more preferably 1.0 mm or more.
耐切創性能としては、８．０Ｎ以上であることが好ましく、さらには９．０Ｎ以上であることがさらに好ましい。８．０Ｎ以下の場合、防護衣料としたときに切創に対して十分な効果を発揮できない恐れがある。 The cut resistance performance is preferably 8.0 N or more, and more preferably 9.0 N or more. In the case of 8.0N or less, there is a possibility that a sufficient effect on the cut may not be exhibited when the protective clothing is used.
以下、本発明を実施例により更に詳細に説明する。尚、実施例中の各物性は下記の方法により測定した。 Hereinafter, the present invention will be described in more detail with reference to examples. In addition, each physical property in an Example was measured with the following method.
（１）目付け
ＪＩＳ Ｌ １０９６に準拠した方法により測定した。
(1) Basis weight It measured by the method based on JISL1096.
（２）厚み
ＪＩＳ Ｌ １０９６−９０（織物）またはＪＩＳ Ｌ １０１８−９０（編物）に準拠した方法により、ディジマティック厚さ試験機を用いて測定を行った。
(2) Thickness Measurement was performed using a digimatic thickness tester by a method based on JIS L 1096-90 (woven fabric) or JIS L 1018-90 (knitted fabric).
（３）繊維間摩擦
図１示す装置を用い、繊維構造物を構成する繊維の一端を固定し、３回撚りをかけた後、他の一端に荷重（Ｔ１＝５００ｇ）をかけ、０．１ｍ／分のスピードで繊維を動かした際の張力（Ｔ２）の最大値（Ｔ２ｍａｘ）を測定し、下記式よりＦｍａｘを求めた。また、θは１５°とした。
Ｆｍａｘ＝Ｔ２ｍａｘ―Ｔ１
(3) Interfiber friction Using the apparatus shown in FIG. 1, after fixing one end of the fiber constituting the fiber structure and applying the twist three times, a load (T1 = 500 g) is applied to the other end, and 0.1 m The maximum value (T2max) of the tension (T2) when the fiber was moved at a speed of / min was measured, and Fmax was determined from the following formula. Further, θ was set to 15 °.
Fmax = T2max−T1
（４）残留捲縮率
ＪＩＳ Ｌ１０１５ ８．１２．２に準拠した方法により測定した。
(4) Residual crimp rate It measured by the method based on JISL1015 8.12.2.
（５）切創抵抗力
ＩＳＯ１３９９７に基づき、ＴＤＭ−１００の装置を用い、４５度方向にサンプルをセット後試験を行い、切創ストローク長が２０ｍｍの時の荷重を読み取った。
(5) Cut resistance Based on ISO13997, using a TDM-100 apparatus, a sample was set in a 45-degree direction and a test was performed. The load when the cut stroke length was 20 mm was read.
（６）着用感
耐切創布帛を用いた耐切創防護衣料を作製し、任意に選んだ試験者に１時間着用させ、軽量で着心地が良いものを○、ごわつき感があるものを×とした。
(6) A feeling of wearing A cut-resistant protective clothing using a cut-resistant fabric is prepared and allowed to be worn by an arbitrarily selected tester for 1 hour. .
［実施例１］
パラ型アラミド長繊維フィラメント（帝人アラミド製、商標名：トワロン１０００、単糸繊度１．７ｄｔｅｘ）を使用して編み密度２５本／ｉｎｃｈの天竺編の編み物とした後、３００℃×１０分間の熱セットを行い、編地を解編してパラ型アラミド長繊維フィラメントに捲縮を付与した後、朱子織に製織して４６７ｇ／ｍ２の布帛を得た。得られた布帛及び耐切創防護衣料の評価結果を表１に併せて示す。
[Example 1]
Para-aramid long fiber filaments (trade name: Twaron 1000, manufactured by Teijin Aramid, a single yarn fineness of 1.7 dtex) was used to form a knitted fabric with a knitting density of 25 yarns / inch and heat at 300 ° C. for 10 minutes. After setting, the knitted fabric was knitted to give crimps to the para-type aramid long fiber filaments, and then woven into a satin weave to obtain a 467 g / m 2 fabric. The evaluation results of the obtained fabric and cut-resistant protective clothing are also shown in Table 1.
［実施例２］
実施例１において得られた布帛を８０℃の温水中で１５分間超音波処理（島田理化株式会社製 ３周波超音波洗浄機、２８ｋＨｚ）を２回行い、１００℃、３０分で乾燥させて耐切創布帛を得た。得られた布帛及び耐切創防護衣料の評価結果を表１に併せて示す。
[Example 2]
The fabric obtained in Example 1 was subjected to ultrasonic treatment (3 frequency ultrasonic cleaning machine, 28 kHz, manufactured by Shimada Rika Co., Ltd.) twice in warm water at 80 ° C. for 15 minutes, dried at 100 ° C. for 30 minutes, and cut resistant. A wound fabric was obtained. The evaluation results of the obtained fabric and cut-resistant protective clothing are also shown in Table 1.
［比較例１］
実施例２において、捲縮加工を施さない以外は実施例１と同様に実施した。得られた布帛及び耐切創防護衣料の評価結果を表１に併せて示す。
[Comparative Example 1]
In Example 2, it carried out similarly to Example 1 except not giving a crimping process. The evaluation results of the obtained fabric and cut-resistant protective clothing are also shown in Table 1.
［比較例２］
実施例２においてパラ型アラミド短繊維（帝人アラミド製、商標名：トワロン１０００、単糸繊度１．７ｄｔｅｘ、カット長５１ｍｍ）からなる紡績糸を用いて朱子織に製織した以外は、実施例２と同様に実施した。得られた布帛及び耐切創防護衣料の評価結果を表１に併せて示す。
[Comparative Example 2]
Example 2 except that weaved into satin weave using spun yarn made of para-type aramid short fibers (trade name: Twaron 1000, single yarn fineness 1.7 dtex, cut length 51 mm) in Example 2. It carried out similarly. The evaluation results of the obtained fabric and cut-resistant protective clothing are also shown in Table 1.
［比較例３］
実施例２において得られた布帛に油剤を塗布した以外は実施例２と同様に実施した。得られた布帛及び耐切創防護衣料の評価結果を表１に併せて示す。
[Comparative Example 3]
It implemented like Example 2 except having apply | coated the oil agent to the fabric obtained in Example 2. FIG. The evaluation results of the obtained fabric and cut-resistant protective clothing are also shown in Table 1.
［比較例４］
パラ型アラミド短繊維（帝人アラミド製、商標名：トワロン１０００、単糸繊度１．７ｄｔｅｘ、カット長５１ｍｍ）からなる紡績糸を用いて朱子織に製織して６００ｇ／ｍ２の布帛を得た。得られた布帛及び耐切創防護服衣料の評価結果を表１に併せて示す。
[Comparative Example 4]
A 600 g / m 2 fabric was obtained by weaving a satin weave using spun yarn made of para-type aramid short fibers (manufactured by Teijin Aramid, trade name: Twaron 1000, single yarn fineness 1.7 dtex, cut length 51 mm). The evaluation results of the obtained fabric and the cut-resistant protective clothing are also shown in Table 1.
Claims (2)
（繊維間摩擦の最大値Ｆｍａｘの測定方法）
布帛を構成する繊維の一端を固定し、３回撚りをかけた後、他の一端に荷重（Ｔ１）をかけ、０．１ｍ／分のスピードで繊維を動かした際の張力（Ｔ２）の最大値（Ｔ２ｍａｘ）を測定し、下式により繊維間摩擦の最大値（Ｆｍａｘ）を求める。
Ｆｍａｘ＝Ｔ２ｍａｘ―Ｔ１ A fabric made of high-strength filament yarn, the high-strength filament yarn is crimped, and the residual crimp rate is 10.0% or more, measured by the following measuring method for the high-strength filament yarn A cut resistant fabric characterized in that the maximum value Fmax of friction between fibers is 710 g or more , and ultrasonic treatment is performed in water .
(Measurement method of maximum value Fmax of friction between fibers)
After fixing one end of the fiber constituting the fabric and twisting it three times, the load (T1) is applied to the other end, and the maximum tension (T2) when the fiber is moved at a speed of 0.1 m / min The value (T2max) is measured, and the maximum value (Fmax) of inter-fiber friction is obtained by the following equation.
Fmax = T2max−T1
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