JP2005213709A - Flame-retardant conjugated yarn, heat insulating lining cloth formed out thereof, and method for producing the same - Google Patents
Flame-retardant conjugated yarn, heat insulating lining cloth formed out thereof, and method for producing the same Download PDFInfo
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- 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 title claims abstract description 58
- 239000003063 flame retardant Substances 0.000 title claims abstract description 58
- 239000004744 fabric Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 64
- 238000009940 knitting Methods 0.000 claims abstract description 4
- 238000009941 weaving Methods 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 15
- -1 polyparaphenylene benzobisoxazole Polymers 0.000 description 14
- 230000001681 protective effect Effects 0.000 description 13
- 229920000742 Cotton Polymers 0.000 description 9
- 239000002759 woven fabric Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 5
- 239000004760 aramid Substances 0.000 description 4
- 229920006231 aramid fiber Polymers 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920006376 polybenzimidazole fiber Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- RLLPVAHGXHCWKJ-IEBWSBKVSA-N (3-phenoxyphenyl)methyl (1s,3s)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate Chemical compound CC1(C)[C@H](C=C(Cl)Cl)[C@@H]1C(=O)OCC1=CC=CC(OC=2C=CC=CC=2)=C1 RLLPVAHGXHCWKJ-IEBWSBKVSA-N 0.000 description 1
- 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
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 229920000544 Gore-Tex Polymers 0.000 description 1
- 229920006282 Phenolic fiber Polymers 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 229920003071 Polyclar® Polymers 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 229920001494 Technora Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000004950 technora Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Abstract
Description
本発明は難燃性複合糸及びそれからなる遮熱性裏地並びにその製造方法に関するものであり、さらに詳しくは、特に耐熱性防護服に適した、遮熱性に優れ、かつ軽量で柔軟な遮熱性裏地及びその製造方法、並びに該遮熱性裏地を製造することが可能な難燃性複合糸に関するものである。 The present invention relates to a flame-retardant composite yarn, a heat-insulating lining comprising the same, and a method for producing the same, and more particularly, particularly suitable for heat-resistant protective clothing, excellent in heat-insulating properties, and lightweight and flexible. The present invention relates to a production method and a flame-retardant composite yarn capable of producing the heat-insulating lining.
従来より、消防士が消火作業中に着用する耐熱防護服を構成する繊維としては、不燃性のアスベスト繊維、ガラス繊維等が使われてきたが、環境問題や、動き易さなどの観点から、近年ではアラミド繊維、ポリフェニレンスルフィド繊維、ポリイミド繊維、ポリベンズイミダゾール繊維などの難燃性の有機繊維からなる布帛に、輻射熱を防止するため金属アルミニウム等をコーティング或いは蒸着したものが多く使用されている。 Conventionally, non-flammable asbestos fibers, glass fibers, etc. have been used as the heat-resistant protective clothing that firefighters wear during firefighting work, but from the viewpoint of environmental issues and ease of movement, In recent years, fabrics made of flame-retardant organic fibers such as aramid fibers, polyphenylene sulfide fibers, polyimide fibers, and polybenzimidazole fibers are often used that are coated or vapor-deposited with metallic aluminum or the like to prevent radiant heat.
また、最近、遮熱性の評価方法の国際標準化がなされ、輻射熱（試験法番号：ＩＳＯ６９４２）及び伝導熱（試験法番号：ＩＳＯ９１５１）にも注目した評価方法が確立された。この評価方法による基準をクリアするに当たっては、熱伝導を遅延させるために、防護服内に大量の空気層を作ることが有用となる。しかしながら、前記のようなアルミニウムをコーティング或いは蒸着した有機繊維布帛を防護服として用いる場合、重量が非常に重くなるので、空気層を作るために有用な手段である積層構造を形成させることが困難であるという問題があった。 Recently, an international standardization of an evaluation method for heat shielding properties has been made, and an evaluation method focusing on radiant heat (test method number: ISO6942) and conduction heat (test method number: ISO9151) has been established. In order to clear the standard by this evaluation method, it is useful to create a large amount of air layer in the protective clothing in order to delay the heat conduction. However, when an organic fiber fabric coated with aluminum or vapor-deposited as described above is used as a protective garment, it is very heavy and it is difficult to form a laminated structure that is a useful means for creating an air layer. There was a problem that there was.
このような問題を解決するため、例えば、特開２００２−１１５１０６号公報には、表地層・透湿防水層・遮熱層の３層からなり、遮熱層が多量の空気を含有する織編物からなる耐熱性防護服が提案されている。しかしながら、該遮熱層における織編物は、空気層の形成による軽量化と遮熱性向上の両立という観点からみれば、まだ不充分なものであり、その改善策が切望されていた。
本発明の目的は、上記従来技術の有する問題点を解決し、遮熱性に優れ、かつ軽量で柔軟な遮熱性裏地及びその製造方法、並びに該遮熱性裏地を製造することが可能な難燃性嵩高糸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, to provide a heat-resistant backing that is excellent in heat-shielding properties and is lightweight and flexible, and a method for producing the same, and flame-retardant that can produce the heat-shielding backing. It is to provide a bulky yarn.
本発明者らは上記目的を達成するために鋭意検討を重ねた結果、互いに収縮率の異なる難燃性繊維を構成成分とする複合糸からなる織編物を加熱収縮処理するとき、所望の遮熱性裏地が得られることを究明し、本発明に到達した。 As a result of intensive studies to achieve the above object, the inventors of the present invention have a desired heat-shielding property when heat-shrinking a woven or knitted fabric composed of composite yarns containing flame-retardant fibers having different shrinkage rates. We have determined that a lining can be obtained and have arrived at the present invention.
かくして本発明によれば、１３５℃、２０分処理後の湿熱収縮率が４０％以上の高収縮難燃性繊維と、１３５℃、２０分処理後の湿熱収縮率が０〜５％の低収縮難燃性繊維とが、２０：８０〜６０：４０の重量比で混紡されていることを特徴とする難燃性複合糸が提供される。 Thus, according to the present invention, a highly shrinkable flame-retardant fiber having a wet heat shrinkage of 40% or more after treatment at 135 ° C. for 20 minutes and a low shrinkage of 0 to 5% of wet heat shrinkage after treatment at 135 ° C. for 20 minutes. There is provided a flame retardant composite yarn characterized by being blended with a flame retardant fiber in a weight ratio of 20:80 to 60:40.
また本発明によれば、１３５℃、２０分処理後の湿熱収縮率が４０％以上の高収縮難燃性繊維と、１３５℃、２０分処理後の湿熱収縮率が０〜５％の低収縮難燃性繊維とが、２０：８０〜６０：４０の重量比で混紡されてなる難燃性複合糸を１５重量％以上含む布帛を、加熱収縮処理してなる裏地であって、該裏地の厚さが０．５ｍｍ以上、単位面積当りの重量が２００ｇ／ｍ２以下であることを特徴とする遮熱性裏地が提供される。 Further, according to the present invention, a highly shrinkable flame-retardant fiber having a wet heat shrinkage of 40% or more after treatment at 135 ° C. for 20 minutes and a low shrinkage of 0 to 5% of wet heat shrinkage after treatment at 135 ° C. for 20 minutes. A lining obtained by heat-shrinking a fabric containing 15% by weight or more of a flame retardant composite yarn obtained by blending a flame retardant fiber with a weight ratio of 20:80 to 60:40, There is provided a heat-insulating lining characterized by having a thickness of 0.5 mm or more and a weight per unit area of 200 g / m 2 or less.
さらに本発明によれば、１３５℃、２０分処理後の湿熱収縮率が４０％以上の高収縮難燃性繊維と、１３５℃、２０分処理後の湿熱収縮率が０〜５％の低収縮難燃性繊維とを、２０：８０〜６０：４０の重量比で混紡してなる難燃性複合糸を製編織して織編物となした後、該織編物を加熱収縮処理することを特徴とする遮熱性裏地の製造方法が提供される。 Furthermore, according to the present invention, a highly shrinkable flame-retardant fiber having a wet heat shrinkage of 40% or more after treatment at 135 ° C. for 20 minutes, and a low shrinkage of 0 to 5% of wet heat shrinkage after treatment at 135 ° C. for 20 minutes. A flame retardant composite yarn obtained by blending a flame retardant fiber with a weight ratio of 20:80 to 60:40 is knitted and woven to form a woven or knitted fabric, and then the woven or knitted fabric is subjected to heat shrinkage treatment. A method for producing a heat-insulating lining is provided.
本発明によれば、遮熱性に優れ、かつ軽量で柔軟な遮熱性裏地及びその製造方法、並びに該遮熱性裏地を製造することが可能な難燃性複合糸が得られるので、耐熱性防護服等に好適に使用することができる。 According to the present invention, a heat-resistant lining having excellent heat-shielding properties and lightweight and flexible, a method for producing the same, and a flame-retardant composite yarn capable of producing the heat-shielding lining can be obtained. Etc. can be used suitably.
以下、本発明の実施形態を詳細に説明する。本発明で用いる高収縮難燃性繊維及び低収縮難燃性繊維は、その限界酸素指数が２５以上で、且つ１３５℃、２０分処理後の湿熱収縮率がそれぞれ４０％以上及び０〜５％である繊維を言い、環境問題や動きやすさの観点から、有機繊維であることが好ましい。 Hereinafter, embodiments of the present invention will be described in detail. The high-shrinkage flame-retardant fiber and the low-shrinkage flame-retardant fiber used in the present invention have a limiting oxygen index of 25 or more, and wet heat shrinkage ratios after treatment at 135 ° C. for 20 minutes are 40% or more and 0 to 5%, respectively. From the viewpoint of environmental problems and ease of movement, organic fibers are preferred.
このような難燃性繊維の具体例としては、例えば、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、ノボロイド繊維などが挙げられ、さらに難燃アクリル繊維、ポリクラール繊維、難燃ポリエステル繊維、難燃綿繊維、難燃ウール繊維等も使用することができる。 Specific examples of such flame retardant fibers include, for example, aramid fibers, polybenzimidazole fibers, polyimide fibers, polyamideimide fibers, polyetherimide fibers, polyarylate fibers, polyparaphenylene benzobisoxazole fibers, and novoloid fibers. In addition, flame retardant acrylic fiber, polyclar fiber, flame retardant polyester fiber, flame retardant cotton fiber, flame retardant wool fiber and the like can also be used.
中でも、燃焼時に溶融滴下しない芳香族ポリアミド繊維が好ましく、特に優れたＬＯＩ値を有するメタ系アラミド繊維、就中ポリメタフェニレンイソフタルアミドを用いることが有用である。 Among them, aromatic polyamide fibers that do not melt and drop during combustion are preferable, and it is useful to use meta-aramid fibers having a particularly excellent LOI value, especially polymetaphenylene isophthalamide.
上記難燃性繊維における湿熱収縮率の差は、ポリマー組成の差や紡糸工程でのドラフト率の差、或いは延伸、熱処理において延伸倍率差や熱処理温度差を設けるなど、従来公知の方法により付与することが可能である。 The difference in the wet heat shrinkage ratio in the flame retardant fiber is given by a conventionally known method such as a difference in polymer composition, a draft ratio in the spinning process, or a draw ratio difference or a heat treatment temperature difference in drawing or heat treatment. It is possible.
また、上記難燃性繊維は、繊度、繊維長等が異なる繊維を組合わせたものであっても良い。繊維の繊度についても特に限定されないが、０．６〜５ｄｔｅｘが好ましい。 The flame retardant fiber may be a combination of fibers having different fineness, fiber length, and the like. The fineness of the fiber is not particularly limited, but is preferably 0.6 to 5 dtex.
本発明においては、先ず、１３５℃、２０分処理後の湿熱収縮率が４０％以上の高収縮難燃性繊維と、１３５℃、２０分処理後の湿熱収縮率が０〜５％の低収縮難燃性繊維とを、２０：８０〜６０：４０の重量比で常により混紡して難燃性複合糸を得る。 In the present invention, first, a high shrinkage flame-retardant fiber having a wet heat shrinkage of 40% or more after treatment at 135 ° C. for 20 minutes, and a low shrinkage of 0 to 5% of wet heat shrinkage after treatment at 135 ° C. for 20 minutes. A flame-retardant composite yarn is obtained by always blending more flame-retardant fibers at a weight ratio of 20:80 to 60:40.
ここで、高収縮難燃性繊維の１３５℃、２０分処理後の湿熱収縮率が４０％未満の場合、或いは低収縮難燃性繊維の１３５℃、２０分処理後の湿熱収縮率が５％を越える場合は、得られる裏地に充分な空気層が形成されない。 Here, when the high shrinkage flame-retardant fiber has a wet heat shrinkage rate of less than 40% after 135 ° C. for 20 minutes, or the low shrinkage flame retardant fiber has a wet heat shrinkage rate of 5% after treatment at 135 ° C. for 20 minutes. In the case of exceeding the range, a sufficient air layer is not formed on the obtained backing.
また、高収縮難燃性繊維の、低収縮難燃性繊維との混紡比率が２０：８０より少なくなると、複合糸全体の収縮が不足し、得られる裏地に充分な空気層が形成されない。一方、高収縮難燃性繊維の、低収縮難燃性繊維との混紡比率が６０：４０より多いと、複合糸全体が収縮してしまい、やはり得られる裏地に充分な空気層が形成されない。高収縮難燃性繊維と低収縮難燃性繊維との好ましい混紡比率は２０：８０〜５０：５０である。 On the other hand, when the blend ratio of the high shrinkage flame retardant fiber and the low shrinkage flame retardant fiber is less than 20:80, the composite yarn as a whole is insufficiently shrunk and a sufficient air layer is not formed on the resulting lining. On the other hand, if the blend ratio of the high shrinkage flame-retardant fiber and the low shrinkage flame-retardant fiber is more than 60:40, the entire composite yarn shrinks, and a sufficient air layer is not formed on the resulting lining. A preferable blend ratio of the high shrinkage flame retardant fiber and the low shrinkage flame retardant fiber is 20:80 to 50:50.
次に、本発明においては、上記難燃性複合糸を製編織して織編物となした後、該織編物を加熱収縮させて裏地とする。この際、上記難燃性複合糸以外の糸条を交編、交織しても構わないが、上記難燃性複合糸が、裏地全重量に対して１５重量％以上、好ましくは３０重量％以上含まれることが必要である。 Next, in the present invention, the flame retardant composite yarn is knitted and woven to form a woven or knitted fabric, and then the woven or knitted fabric is heated and contracted to form a lining. At this time, yarn other than the flame-retardant composite yarn may be knitted or woven, but the flame-retardant composite yarn is 15% by weight or more, preferably 30% by weight or more based on the total weight of the lining. It is necessary to be included.
上記織編物の組織等には、特に限定はないが、接続点の少ない、浮きの大きい組織を採用すれば、本発明の効果が顕著に発現する。例えば、平織よりも綾織が好ましく、綾織よりもサテン織が好ましく、更に、サテン織よりも二重織が好ましい。また、編組織は、通常のメリヤス編みでも、織物に比べて浮きが大きいが、織組織と同様に浮きの大きな組織を採用することが好ましい。 The structure of the woven or knitted fabric is not particularly limited, but if a structure with few connection points and a large float is employed, the effects of the present invention are remarkably exhibited. For example, a twill weave is preferable to a plain weave, a satin weave is preferable to a twill weave, and a double weave is more preferable to a satin weave. Further, the knitting structure has a larger float than a woven fabric even in a normal knitted knitting, but it is preferable to adopt a structure having a large float like the woven structure.
また、織編物の加熱収縮処理の条件は、織編物を構成する難燃性繊維の種類に応じて適宜設定すれば良いが、難燃性繊維がアラミド繊維の場合は、温度１３５℃以上の熱水により２０分以上処理することが好ましい。 The heat shrinkage treatment conditions of the woven or knitted fabric may be set as appropriate according to the type of flame retardant fiber constituting the woven or knitted fabric, but when the flame retardant fiber is an aramid fiber, It is preferable to treat with water for 20 minutes or more.
かくして得られる裏地は、その厚さが０．５ｍｍ以上、単位面積当りの重量（目付け）が２００ｇ／ｍ２以下であることが必要である。該裏地の厚さが０．５ｍｍ未満で、且つ単位面積当りの重量が２００ｇ／ｍ２以を越える場合は、得られる裏地に充分な空気層が形成されない。 The thus obtained lining needs to have a thickness of 0.5 mm or more and a weight (weight per unit area) of 200 g / m 2 or less. When the thickness of the backing is less than 0.5 mm and the weight per unit area exceeds 200 g / m 2 or more , a sufficient air layer is not formed on the resulting backing.
以下、実施例により本発明をさらに詳細に説明する。なお、実施例における各核物の測定方法は下記の通りである。
（１）裏地の単位面積あたり重量（目付け）
ＪＩＳ Ｌ １０９６に準拠して測定した。
（２）裏地の厚さ
ＪＩＳ Ｌ １０９６に準拠して測定した。
（３）防護服の遮熱性（対流熱に対する遮熱性）
ＩＳＯ ９１５１に準拠し、２４℃温度上昇試験を行った。
（４）防護服の遮熱性（輻射熱に対する遮熱性）
ＩＳＯ ６９４２に準拠して測定した。
（５）防護服の遮熱性（対流熱と輻射熱の両方に対する遮熱性）
ＩＳＯ １７４９２に準拠して測定した。
Hereinafter, the present invention will be described in more detail with reference to examples. In addition, the measuring method of each nucleus in an Example is as follows.
(1) Weight per unit area of lining (weight)
It measured based on JISL1096.
(2) Thickness of lining Measured according to JIS L 1096.
(3) Heat shield of protective clothing (heat shield against convection heat)
A 24 ° C. temperature rise test was performed in accordance with ISO 9151.
(4) Heat shield of protective clothing (heat shield against radiant heat)
Measured according to ISO 6942.
(5) Heat shield of protective clothing (heat shield against both convective and radiant heat)
Measured according to ISO 17492.
[実施例１]
表地層として、ポリメタフェニレンイソフタルアミド繊維（帝人テクノプロダクツ社製、商標名：コーネックス）と、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繊維（帝人テクノプロダクツ社製、商標名：テクノーラ）とを９０：１０の重量比で混紡してなる紡績糸（英式綿番手：２０／２）を経緯に配し、２／１の綾織に織成した織物（目付：２８０ｇ／ｍ２）を用いた。
[Example 1]
As the outer layer, polymetaphenylene isophthalamide fiber (manufactured by Teijin Techno Products, trade name: Conex) and copolyparaphenylene 3, 4 'oxydiphenylene terephthalamide fiber (manufactured by Teijin Techno Products, trade name: Technora) ) And a woven fabric (weight per unit: 280 g / m 2 ) woven into a 2/1 twill weave with a spun yarn (English cotton count: 20/2) blended at a weight ratio of 90:10 Using.
また、透湿層には、ポリメタフェニレンイソフタルアミド繊維からなる紡績糸（英式綿番手：４０／１）からなる織布（目付：７０ｇ／ｍ２）にポリテトラフルオロエチレン製の透湿防水性フィルム（日本ゴアテックス社製）をラミネートしたものを使用した。 The moisture permeable layer is made of a woven fabric (weight per unit area: 70 g / m 2 ) made of spun yarn (English cotton count: 40/1) made of polymetaphenylene isophthalamide fiber and moisture permeable and waterproof made of polytetrafluoroethylene. A laminate of a conductive film (manufactured by Nippon Gore-Tex) was used.
さらに、遮熱性裏地として、１３５℃、２０分処理後の湿熱収縮率が４２％の高収縮ポリメタフェニレンテレフタルアミド繊維（帝人テクノプロダクツ社製、商標名：コーネックス）と、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンテレフタルアミド繊維とを４０：６０の重量比で混紡してなる紡績糸（英式綿番手：４０／１）と、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンイソフタルアミド繊維１００％からなる紡績糸（英式綿番手：４０／１）とを経糸及び緯糸に交互に配したピッケ織物を、１３５℃、２０分リラックス処理した織物を使用した。得られた裏地の厚さは０．６ｍｍ、単位面積当りの重量（目付け）は１７０ｇ／ｍ２であった。 Furthermore, as a heat-shielding lining, high-shrinkage polymetaphenylene terephthalamide fiber (trade name: Conex, manufactured by Teijin Techno Products) having a wet heat shrinkage of 42% after treatment at 135 ° C. for 20 minutes, and 135 ° C. for 20 minutes. A spun yarn (English cotton count: 40/1) obtained by blending polymetaphenylene terephthalamide fiber having a wet heat shrinkage of 0.5% after treatment at a weight ratio of 40:60, 135 ° C., 20 Picket woven fabric in which spun yarn (English cotton count: 40/1) consisting of 100% polymetaphenylene isophthalamide fiber having a wet heat shrinkage of 0.5% after the split treatment is alternately arranged on the warp and weft, A woven fabric relaxed at 135 ° C. for 20 minutes was used. The thickness of the obtained backing was 0.6 mm, and the weight per unit area (weight per unit area) was 170 g / m 2 .
上記表地層、透湿層、遮熱性裏地を縫製により積層して耐熱性防護服を得た。得られた遮熱性裏地及び耐熱性防護服の物性を表１に示す。 The above surface layer, moisture permeable layer, and heat-insulating lining were laminated by sewing to obtain a heat-resistant protective clothing. Table 1 shows the physical properties of the obtained heat-insulating lining and heat-resistant protective clothing.
[実施例２]
実施例１において、遮熱性裏地として、１３５℃、２０分処理後の湿熱収縮率が４２％の高収縮ポリメタフェニレンテレフタルアミド繊維（帝人テクノプロダクツ社製、商標名：コーネックス）と、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンテレフタルアミド繊維とを４０：６０の重量比で混紡してなる紡績糸（英式綿番手：４０／１）と、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンイソフタルアミド繊維１００％からなる紡績糸（英式綿番手：４０／１）とを経糸及び緯糸に交互に配した経緯二重織物を、１３５℃、２０分リラックス処理した織物を使用した以外は実施例１と同様に実施した。得られた裏地の厚さは０．６ｍｍ、単位面積当りの重量（目付け）は１９０ｇ／ｍ２であった。
得られた遮熱性裏地及び耐熱性防護服の物性を表１に示す。
[Example 2]
In Example 1, as a heat-insulating lining, 135 ° C., high-shrinkage polymetaphenylene terephthalamide fiber (trade name: Conex, manufactured by Teijin Techno Products) having a wet heat shrinkage of 42% after 20 minutes treatment, and 135 ° C. , Spun yarn (English cotton count: 40/1) obtained by blending polymetaphenylene terephthalamide fiber having a wet heat shrinkage of 0.5% after 20 minutes treatment at a weight ratio of 40:60, 135 The warp and weft yarn arranged alternately with spun yarn (English cotton count: 40/1) consisting of 100% polymetaphenylene isophthalamide fiber with a heat-and-shrinkage ratio of 0.5% after 20 minutes treatment at ℃ The same operation as in Example 1 was performed except that a double woven fabric was used which was subjected to a relaxation treatment at 135 ° C. for 20 minutes. The thickness of the obtained backing was 0.6 mm, and the weight per unit area (weight per unit area) was 190 g / m 2 .
Table 1 shows the physical properties of the obtained heat-insulating lining and heat-resistant protective clothing.
[比較例１]
実施例１において、遮熱性裏地として、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンイソフタルアミド繊維１００％からなるフェルト（重量：７０ｇ／ｍ２）と、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンイソフタルアミド繊維１００％からなる紡績糸（英式綿番手：８０／１）の平織物（重量：７０ｇ／ｍ２）とをキルティングにより一体化させた裏地を使用した以外は実施例１と同様に実施した。得られた裏地の厚さは０．８ｍｍ、単位面積当りの重量（目付け）は１４０ｇ／ｍ２であった。
得られた裏地及び防護服の物性を表１に示す。
[Comparative Example 1]
In Example 1, a felt (weight: 70 g / m 2 ) made of 100% polymetaphenylene isophthalamide fiber having a wet heat shrinkage of 0.5% after treatment at 135 ° C. for 20 minutes as a heat-insulating lining, 135 Plain fabric (weight: 70 g / m 2 ) of spun yarn (English cotton count: 80/1) made of 100% polymetaphenylene isophthalamide fiber having a wet heat shrinkage of 0.5% after 20 minutes treatment at ℃ Were performed in the same manner as in Example 1 except that a lining obtained by quilting was used. The thickness of the obtained backing was 0.8 mm, and the weight per unit area (weight per unit area) was 140 g / m 2 .
Table 1 shows the physical properties of the resulting lining and protective clothing.
[比較例２]
実施例１において、遮熱性裏地として、実施例１のピッケ織物の緯糸に、１３５℃、２０分処理後の湿熱収縮率が０．５％であるポリメタフェニレンイソフタルアミド繊維からなる紡績糸（英式綿番手：５／２）を１ｃｍ間隔で織り込んだ織物を使用した以外は実施例１と同様に実施した。得られた裏地の厚さは１．２ｍｍ、単位面積当りの重量（目付け）は２１０ｇ／ｍ２であった。
得られた裏地及び防護服の物性を表１に示す。
[Comparative Example 2]
In Example 1, as a heat-insulating lining, a spun yarn made of polymetaphenylene isophthalamide fiber having a wet heat shrinkage rate of 0.5% after treatment at 135 ° C. for 20 minutes is applied to the weft of the pickle fabric of Example 1 (English This was carried out in the same manner as in Example 1 except that a woven fabric in which a cotton count: 5/2) was woven at intervals of 1 cm was used. The thickness of the obtained backing was 1.2 mm, and the weight per unit area (weight per unit area) was 210 g / m 2 .
Table 1 shows the physical properties of the resulting lining and protective clothing.
本発明によれば、遮熱性に優れ、かつ軽量で柔軟な遮熱性裏地及びその製造方法、並びに該遮熱性裏地を製造することが可能な難燃性複合糸が得られるので、耐熱性防護服等に好適に使用することができる。 According to the present invention, a heat-resistant lining having excellent heat-shielding properties, lightweight and flexible, a method for producing the same, and a flame-retardant composite yarn capable of producing the heat-shielding lining can be obtained. Etc. can be used suitably.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012202001A (en) * | 2011-03-25 | 2012-10-22 | Teijin Techno Products Ltd | Cut-resistant yarn and fabric containing the same |
| JP6247797B1 (en) * | 2016-02-23 | 2017-12-13 | 帝人株式会社 | Fabric tape and textile products |
| KR102432076B1 (en) * | 2022-05-25 | 2022-08-16 | (주)위몬 | Functionality protection suit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012202001A (en) * | 2011-03-25 | 2012-10-22 | Teijin Techno Products Ltd | Cut-resistant yarn and fabric containing the same |
| JP6247797B1 (en) * | 2016-02-23 | 2017-12-13 | 帝人株式会社 | Fabric tape and textile products |
| KR102432076B1 (en) * | 2022-05-25 | 2022-08-16 | (주)위몬 | Functionality protection suit |
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