JP2003041462A - Woven/knitted fabric with air self-regulating permeability function - Google Patents

Woven/knitted fabric with air self-regulating permeability function

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JP2003041462A
JP2003041462A JP2001222767A JP2001222767A JP2003041462A JP 2003041462 A JP2003041462 A JP 2003041462A JP 2001222767 A JP2001222767 A JP 2001222767A JP 2001222767 A JP2001222767 A JP 2001222767A JP 2003041462 A JP2003041462 A JP 2003041462A
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woven
knitted fabric
rh
equilibrium
fibers
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Masahiro Higaki
Mitsuo Matsumoto
Seiji Tsuboi
誠治 坪井
三男 松本
昌裕 檜垣
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Teijin Ltd
帝人株式会社
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Abstract

PROBLEM TO BE SOLVED: To provide a woven/knitted fabric having wearing comfortableness, functioning to raise its air permeability on self-sensing humidity when the ambient humidity rises.
SOLUTION: This woven/knitted fabric with air permeability self-regulating function comprises (A) conjugate fibers where a sulfonate group-bearing modified polyethylene terephthalate and nylon are conjugated side-by-side fashion and (B) fibers substantially causing no dimensional change in response to humidity change in the weight ratio of (70:30) to (30:70) and simultaneously meets the requirements (1) and (2) described below: (1) the difference between its dimension in the equilibrium at 25°C and 30%RH and that in the equilibrium at 25°C and 95%RH is each less than 5% in its longitudinal direction and cross direction, and (2) the air permeability thereof in the equilibrium at 25°C and 95%RH is ≥6% higher than that in the equilibrium at 25°C and 30%RH.
COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】 【0001】 【発明の属する技術分野】本発明は、周囲の湿度の変化を自己感知し、通気性を変化させる機能を有する、衣料用に好適な通気性自己調節織編物に関するものである。 BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention is a change in ambient humidity self sense, has the function of changing the ventilation, Suitable breathable autoregulatory woven into clothing the present invention relates to knitting. 【0002】 【従来の技術】従来から合成繊維を用いた布帛は衣料用途をはじめ、巾広く使用されている。 [0002] fabric using Conventional synthetic fibers including clothing use is width widely used. しかるに、合成繊維を用いた布帛では、一般に、周囲の湿度が変化しても通気性や透湿性などの特性は変化しない。 However, in the cloth with synthetic fibers, in general, it does not change properties such as breathability and moisture permeability even after changing the humidity of the surroundings. このため、かかる布帛を着用して運動すると、発汗により衣服内の湿度が高くなり、蒸れて不快感が強くなるという問題があった。 For this reason, when you exercise to wear such a fabric, sweating humidity in the clothes is increased by, there is a problem that discomfort is stronger stuffy. 【0003】これに対し、綿や羊毛などの天然繊維を用いた布帛では、周囲の湿度が高くなると吸湿して繊維の捲縮形状が粗くなり、嵩高性が自己調節されるということが知られている。 [0003] In contrast, in the cloth with natural fibers such as cotton or wool, is known that absorbs moisture when the ambient humidity is high crimp shape of the fibers becomes rough, bulkiness is self-adjusting ing. 【0004】このような天然繊維にならって、合成繊維に吸湿による捲縮性自己調節機能を付与する試みが種々なされている。 [0004] following the such natural fibers, attempts to impart crimpable autoregulatory functions due to moisture absorption to synthetic fibers have made various. 例えば、特公昭63−44843号公報、特公昭63−44844号公報は、変性ポリエチレンテレフタレートとナイロンをサイドバイサイド型に貼り合わせた複合繊維で、ナイロンの吸湿による伸び縮みを利用して捲縮を変化させる方法を提案している。 For example, JP-B-63-44843, JP-Sho 63-44844 Patent Publication, a modified polyethylene terephthalate and nylon composite fiber bonded in a side-by-side type, to vary the crimp utilizing expansion and contraction due to moisture absorption of nylon It has proposed a method. しかるに、かかる方法は布団綿用として短繊維の嵩高性を変化させるために開発されたものであり、捲縮性自己調節機能を有する繊維を用いた衣料用織編物の提供は従来、 However, such a method has been developed to alter the bulkiness of the short fibers as a futon cotton, the provision of clothing woven or knitted fabric using a fiber having a crimpable autoregulatory functions conventionally,
充分なされていない。 Not been enough. ましてや、周囲の湿度を感知して通気性を自己調節することのできる織編物の提案はなされていない。 Let alone propose a woven or knitted material can be self-regulating ventilation sensing the humidity of the ambient is not performed. 【0005】 【発明が解決しようとする課題】本発明は、前記従来技術の問題点を克服し、発汗時にはその湿度を感知して通気性を自己調節させることのできる、衣料用に好適な通気性自己調節織編物を提供することを目的とする。 [0005] The present invention invention is to solve the above, the prior art overcomes the problems of the art, capable of self-regulating the breathable senses the humidity during perspiration, suitable ventilation for clothing and to provide sexual autoregulation woven or knitted fabric. 【0006】 【課題を解決するための手段】本発明者らは、上記の課題を達成するため鋭意検討した結果、湿度を感知して捲縮率が変化する繊維と湿度が変化しても寸法が変化しない繊維とを所定の重量比率で織編物を構成し、湿度の変化に対して布帛の寸法を実質的に維持することにより、 The present inventors have SUMMARY OF THE INVENTION As a result of extensive investigations to achieve the above object, even if fibers and humidity crimp rate by sensing the humidity varies is changed dimensions by but the fibers do not change it constitutes a woven or knitted fabric at a predetermined weight ratio, substantially maintaining the dimensions of the fabric with respect to changes in humidity,
該織編物の厚みと組織間空隙の充填密度が変化し、通気性が自己調節される織編物が得られることを知り、本発明を完成するに至った。 Woven packing density of tissue voids and the thickness of the knitted fabric is changed and breathability to know that the woven or knitted fabric that is self-regulating obtained, and have completed the present invention. 【0007】かくして、本発明によれば、「スルホネート基を含有する変性ポリエチレンテレフタレートとナイロンとがサイドバイサイド型に接合された複合繊維(A)と湿度の変化に対して実質的に寸法変化しない繊維(B)からなる織編物であって、該複合繊維(A)と繊維(B)との重量比率が70:30〜30:70であり、かつ下記(1)及び(2)の要件を同時に満足することを特徴とする通気性自己調節織編物。」が提供される。 [0007] Thus, according to the present invention, a modified polyethylene terephthalate and nylon containing "sulfonate group is not substantially dimensional change against changes in humidity and composite fibers bonded in a side-by-side type (A) fibers ( a woven or knitted fabric made of B), the weight ratio of the composite fibers (a) and the fibers (B) is 70: 30-30: a 70, and at the same time satisfying the following requirements (1) and (2) breathable autoregulatory woven or knitted fabric, characterized in that. "is provided. (1)25℃、30%RH平衡時における織編物の寸法と25℃、95%RH平衡時における該織編物の寸法との差が、織編物の長さ方向及び巾方向においてそれぞれ5%以内である。 (1) 25 ° C., dimensions and 25 ° C. of woven or knitted fabric in 30% RH equilibrium, the difference between the dimensions of the textile knitted in 95% RH equilibrium is, within 5%, respectively in the longitudinal and width directions of the woven or knitted fabric it is. (2)25℃、95%RH平衡時における織編物の通気度が25℃、30%RH平衡時における該織編物の通気度よりも6%以上高い。 (2) 25 ℃, is 25 ° C., more than 6% higher than the air permeability of the woven or knitted fabric at RH 30% equilibrium permeability of the woven or knitted fabric at RH 95% equilibrium. 【0008】その際、前記スルホネート基を含有する変性ポリエチレンテレフタレートとして5−ナトリウムスルホイソフタル酸成分(以下、5−ナトリウムスルホイソフタル酸と称することがある)を1〜7モル%共重合した変性ポリエチレンテレフタレートが好ましく例示される。 [0008] At this time, the modified polyethylene terephthalate 5-sodium sulfoisophthalic acid component containing sulfonate groups (hereinafter, 5-sodium sulfo it is referred to as isophthalic acid) 1-7 mol% copolymerized modified polyethylene terephthalate It is preferably exemplified. また、前記のサイドバイサイド型に接合された複合繊維として、ナイロン成分が捲縮の内側に位置する捲縮糸であることが好ましい。 Further, as the composite fiber is joined to said side-by-side type, it is preferable that the nylon component is crimped yarn located inside the crimp. 【0009】 【発明の実施の形態】以下、本発明の実施の形態について詳細に説明する。 DETAILED DESCRIPTION OF THE INVENTION Hereinafter, will be described in detail embodiments of the present invention. まず、本発明で使用されるサイドバイサイド型に接合された複合繊維(A)はスルホネート基を含有する変性ポリエチレンテレフタレートとナイロンからなる。 First, the composite fibers are bonded in a side-by-side type that are used in the present invention (A) consists of modified polyethylene terephthalate and nylon which contain sulfonate groups. この両ポリマーは複合繊維とした場合の接着性が比較的良好で、この両者の組合せにより、湿度変化に対して可逆的で、大きく捲縮率が変化する複合繊維が得られる。 Both polymers are relatively adhesion in the case of a composite fiber excellent, by a combination of both, reversible with respect to changes in humidity, the composite fibers obtained large percentage of crimp varies. 【0010】ここで、スルホネート基を含有する変性ポリエチレンテレフタレートとはスルホン酸のアルカリまたはアルカリ土類金属、ホスホニウム塩を有し、かつエステル形成能を有する官能基を1個以上持つ化合物が共重合されているポリエチレンテレフタレートである。 [0010] Here, alkali or alkaline earth metal of the modified polyethylene terephthalate containing sulfonate groups sulfonic acid having a phosphonium salt, and a compound having 1 or more functional groups having ester forming ability is copolymerized and a polyethylene terephthalate has. また、前記共重合成分として好ましい化合物として、5− Further, as a preferred compound as the copolymerizable component, 5-
ナトリウムスルホイソフタル酸及びそのエステル誘導体、5−ホスホニウムイソフタル酸及びそのエステル誘導体、p−ヒドロキシエトキシベンゼンスルホン酸ナトリウム等があげられる。 Sodium sulfoisophthalic acid and its ester derivatives, 5-phosphonium isophthalic acid and its ester derivatives, such as sodium p- hydroxyethoxy benzene sulfonic acid. 中でも、5−ナトリウムスルホイソフタル酸が好ましく用いられ、共重合量としては、 Among them, 5-sodium sulfoisophthalic acid is preferably used as the copolymerization amount is
1〜7モル%(特に好ましくは1.5〜6.0%)が好ましい。 1-7 mol% (particularly preferably 1.5 to 6.0%) are preferred. 【0011】もう一方の成分であるナイロンとしては、 [0011] as nylon, which is the other one of the components,
ナイロン6もしくはナイロン66が好適であり、極限粘度[η](25℃のO−クロロフェノール溶液で測定) Nylon 6 or nylon 66 are preferred, the intrinsic viscosity [eta] (measured in O- chlorophenol solution of 25 ° C.)
が1.0〜1.4のものが好ましく使用される。 There those 1.0 to 1.4 are preferably used. これら複合繊維(A)を構成する両成分には必要に応じて艶消剤、着色剤、帯電防止剤、熱安定剤等を添加することができる。 These composite fibers (A) matting agent optionally in both components constituting the colorant, antistatic agent, may be added to the thermal stabilizer and the like. 【0012】また、本発明で使用されるサイドバイサイド型に接合された複合繊維(A)は、任意の繊度、断面形状、複合形態をとることができる。 [0012] The composite fibers which are bonded in a side-by-side type that are used in the present invention (A) can be any fineness, sectional shape, it can take a composite form. 図3は本発明で使用されるサイドバイサイド型に接合された複合繊維の拡大横断面図を例示したものである。 Figure 3 is an illustration of a magnified cross-sectional view of the composite fibers that are bonded in a side-by-side type that are used in the present invention. 通常は(イ)、 Usually (a),
(ロ)のような横断面を有する複合繊維が用いられるが、取り扱い中にナイロン成分と、変性ポリエチレンテレフタレート成分とが剥離しやすい場合には、例えば、 While composite fibers having a cross section such as (b) is used, in the case where the nylon components during handling, and the modified polyethylene terephthalate component easily peeled, for example,
(ニ)のような断面が好適に選択される。 Cross section such as (d) is preferably selected. 両成分の複合比は任意に選択することができるが、通常、変性ポリエチレンテレフタレート:ナイロンの重量比で30:70 Composite ratio of both components is arbitrarily be selected, usually modified polyethylene terephthalate: 30:70 at a weight ratio of nylon
〜70:30(好ましくは40:60〜60:40)の範囲で用いられる。 70: 30 (preferably 40: 60 to 60: 40) used in the range of. 【0013】本発明で使用されるサイドバイサイド型に接合された複合繊維(A)は、糸条の状態での熱処理もしくは、常法による染色加工処理によって、図4に示すようにナイロン成分が捲縮の内側に位置し、変性ポリエチレンテレフタレート成分が捲縮の外側に位置するものであることが好ましく、かかる形態を有する複合繊維を選択することにより湿度変化に対して通気度の変化が大きな織編物が容易に得られる。 [0013] Composite fibers bonded in a side-by-side type that are used in the present invention (A), the heat treatment or in the state of the yarn, the dyeing treatment with a conventional method, the nylon component, as shown in FIG. 4 crimp of located inside, preferably modified polyethylene terephthalate component is one that is located outside of the crimp, the change in air permeability with respect to humidity change by selecting a composite fiber having such form large woven or knitted fabric easily obtained. かかる複合繊維が乾燥されると内側のナイロン成分が収縮し、外側の変性ポリエチレンテレフタレート成分はほとんど長さ変化を起こさないため、捲縮率が増大する。 When such conjugate fibers are dried inside the nylon component is contracted, since the modified polyethylene terephthalate component of the outer most do not cause changes in length, percentage of crimp is increased. 逆に、該複合繊維が吸湿されると内側のナイロン成分が伸長し、外側の変性ポリエチレンテレフタレート成分はほとんど長さ変化を起こさないため、捲縮率が低下する。 Conversely, the composite fibers Once moisture inside the nylon component is extended, since the modified polyethylene terephthalate component of the outer most do not cause changes in length, crimp rate decreases. 【0014】このような、ナイロン成分が捲縮の内側に位置する複合繊維(A)は下記に示す方法によって容易に得ることができる。 [0014] Such composite fiber nylon component is located inside the crimp (A) can be easily obtained by the method described below. 【0015】即ち、スルホネート基を含有する変性ポリエチレンテレフタレートとナイロンとをサイドバイサイド型に複合紡糸し、一旦巻き取ることなく連続して10 [0015] That is, a modified polyethylene terephthalate and nylon which contains a sulfonate group and conjugate spinning in a side-by-side type, continuously without once winding 10
0〜150℃で延伸し巻取る。 Wound and stretched at 0~150 ℃. 延伸倍率は最終時に得られる複合繊維の切断伸度が10〜60%、通常は20〜 Breaking elongation of the composite fiber draw ratio obtained in the final time of 10 to 60% and usually 20
45%となるように、適宜選択すればよい。 As the 45%, it may be selected. しかる後、 Thereafter,
例えば図5に例示されるような熱処理装置を用いて、かかる延伸された複合繊維を延伸温度よりも10℃以上低い温度で緊張又は10%以下の弛緩熱処理を施すことにより、ナイロン成分が捲縮の内側に位置する捲縮糸が得られる。 For example, using a heat treatment apparatus such as illustrated in Figure 5, by applying tension or 10% or less relaxation heat treatment at a temperature lower 10 ° C. or higher than the stretching temperature such drawn composite fibers, nylon component crimp crimped yarn located in the inside can be obtained. ここで、延伸された複合繊維に該熱処理を施す前か後において交絡数が20〜60ケ/mとなるようにインターレース加工を施すと、かかる熱処理が施された複合繊維を製織工程または製編工程に供した時優れた生産効率が得られ好ましい。 Here, when subjected to interlacing processing so entangled number is 20 to 60 Ke / m after or before being subjected to heat treatment to the drawn composite fibers, weaving process or knitting a composite fiber of the heat treatment is performed preferred high production efficiency when subjected to the process is obtained. 【0016】一方、本発明で使用される繊維(B)は湿度が変化しても実質的に寸法変化しない繊維であれば特に限定されず、ポリエチレンテレフタレート、ポリトリメチレンテレフタレート、ポリブチレンテレフタレート等のポリエステル、ナイロン6、ナイロン66等のポリアミド、ポリエチレン、ポリプロピレン等のポリオレフィン、アクリル、パラ型あるいはメタ型アラミド、またはそれらの変性合成繊維、さらには、天然繊維、再生繊維、半合成繊維など衣料に適した繊維であれば自由に選択できる。 [0016] On the other hand, the fibers (B) used in the present invention is not particularly limited as long as the fibers does not substantially dimensional change even humidity changes, polyethylene terephthalate, polytrimethylene terephthalate, such as polyethylene terephthalate and polybutylene terephthalate polyester, nylon 6, polyamide such as nylon 66, polyethylene, polyolefins such as polypropylene, acrylic, para-or meta-aramid or their modified synthetic fibers, news, suitable natural fiber, regenerated fiber, a clothing such as semi-synthetic fibers It can be chosen freely as long as the fiber. 中でも、繊維(B)の種類として、5−ナトリウムスルホイソフタル酸成分を共重合させた変性ポリエチレンテレフタレート、アクリル、ポリアミドなどが複合繊維(A)と同じ染料が使用でき、染色性、同色性の点で特に好ましい。 Among them, as the type of fiber (B), 5-sodium sulfoisophthalic acid component copolymerized was modified polyethylene terephthalate, acryl, polyamide, etc. can be used the same dye as the composite fiber (A), dyeability, points of the same color property in particular it preferred. 繊維(B)の断面形状も丸断面に限定されず、異型断面でもよい。 Sectional shape of the fiber (B) is not limited to a round cross-section, it may be a modified cross-section. また、繊維(B)の繊維形態もフィラメント糸、紡績糸、捲縮糸、エアジェット加工糸、混繊糸、撚糸、合撚糸など布帛の使用目的に応じ自由に選択できる。 The fiber forms also filament yarn, spun yarn of fibers (B), crimped yarn, air-jet textured yarn, combined filament yarn, twisted, can be freely selected depending on the intended use of the fabric, such as a folded and twisted yarn. 【0017】本発明の通気性自己調節織編物は、前記サイドバイサイド型に接合された複合繊維(A)と湿度の変化に対して実質的に寸法変化しない繊維(B)からなる織編物であって、該複合繊維(A)と繊維(B)との重量比率が70:30〜30:70(好ましくは65: The breathable autoregulatory woven or knitted fabric of the present invention is a woven or knitted fabric composed of fibers which do not change substantially dimension (B) with respect to changes in humidity and composite fibers (A) joined to the side-by-side , the weight ratio of the composite fiber (a) and the fibers (B) is 70: 30-30: 70 (preferably 65:
35〜40:60)である必要がある。 35-40: 60) there is a need to be. 複合繊維(A) Composite fiber (A)
の重量比率が該範囲よりも高いと、湿度変化に対して織編物の寸法が容易に変化してしまい、実用性に欠ける。 If the weight ratio of higher than the above range, would be the size of the woven or knitted fabric is easily changed with respect to humidity change, it lacks practicality.
逆に、複合繊維(A)の重量比率が該範囲よりも低いと、湿度変化に対して織編物の寸法は変化し難いものの、本発明の主目的である通気性自己調節効果が発現され難い。 Conversely, when the weight ratio of the composite fiber (A) is lower than the above range, although the dimensions of the woven or knitted fabric with respect to humidity change hardly changed, breathable autoregulatory effects a main object is difficult to be expressed in the present invention . 【0018】本発明の通気性自己調節織編物は、織物であっても編物であってもよい。 The breathable autoregulatory woven or knitted fabric of the present invention may be a knitted even woven. 本発明の通気性織編物が織物構造を有する場合は、経方向または/及び緯方向に複合繊維(A)と繊維(B)を交互にまたは2本以上ごとに配置することが好ましい。 If breathable woven or knitted fabric of the present invention has a woven structure, it is preferable to arrange each in the warp direction and / or weft direction and the composite fiber (A) fibers (B) alternately or two or more. この際、織組織や複合繊維(A)と繊維(B)の総繊度、単繊度、フィラメント数、撚数、密度などは使用目的により自由に選択してもよい。 In this case, the total fineness of the weave or composite fibers (A) and the fibers (B), a single fineness, number of filaments, twist number, density, etc. may be freely selected depending on the intended use. また、本発明の通気性織編物が編物構造を有する場合は、複合繊維(A)と繊維(B)を交互にまたは2 Also, if the breathable woven or knitted fabric of the present invention has a knitted structure, or composite fibers (A) and the fibers (B) are alternately 2
本以上ごとに交編するか、図1に示すように、繊維(B)で編物の寸法形状を保持し、複合繊維(A)を緯入れ挿入してもよいし、図2に示すように、複合繊維(A)を繊維(B)に添えて編成してもよい。 Or mixed knitting each above the, as shown in FIG. 1, a fiber (B) retains the size and shape of the knitted fabric, to the composite fiber (A) may be inserted weft insertion, as shown in FIG. 2 may be composite fibers (a) was organized along with the fiber (B). この際、 On this occasion,
編組織や複合繊維(A)と繊維(B)の総繊度、単繊度、フィラメント数、撚数、密度などは前記織物と同様自由に選択できる。 The total fineness of the knitting structure and composite fiber (A) and the fibers (B), a single fineness, number of filaments, twist number, density, etc. can be similarly selected freely with the fabric. 【0019】次に、本発明の通気性自己調節織編物は、 [0019] Next, breathable self-regulating woven or knitted fabric of the present invention,
25℃、30%RH平衡時における織編物の寸法と25 25 ° C., and the dimensions of the woven or knitted fabric at RH 30% equilibrium 25
℃、95%RH平衡時における織編物の寸法との差が、 ° C., the difference between the dimensions of the woven or knitted fabric in 95% RH equilibrium,
織編物の長さ方向及び巾方向においてそれぞれ5%(好ましくは3%)以内である必要がある。 5%, respectively, in the longitudinal direction and the width direction of the woven or knitted fabric (preferably 3%) should be within. 湿度差による該寸法差を5%以内に維持することにより、高湿度の雰囲気中において該織編物の厚みと組織間空隙が大きくなり、該織編物の通気性が向上する。 By maintaining the dimensionally method difference due to humidity difference within 5% tissue voids becomes large as the thickness of the woven or knitted fabric during the high humidity atmosphere, thereby improving the air permeability of the woven or knitted fabric. 湿度差による該寸法差が5%よりも大きいと、高湿度の雰囲気中においても、織編構造がルーズになり難いため、通気性が増し難い。 When the dimensionally Method difference due to humidity difference is greater than 5 percent, even in an atmosphere of high humidity, since Ojen structure hardly becomes loose, is unlikely to increase breathability. 更には、衣服サイズの変化が大きくなり、実用上問題が生じ易くなる。 Furthermore, the change of the garment size is increased, a practical problem is likely to occur. 【0020】さらに、本発明の通気性自己調節織編物は、25℃、95%RH平衡時における織編物の通気度が25℃、30%RH平衡時における織編物の通気度よりも6%以上(好ましくは8%以上)高い織編物である。 Furthermore, breathable autoregulatory woven or knitted fabric of the present invention, 25 ° C., the air permeability of the woven or knitted fabric at RH 95% equilibrium 25 ° C., 6% or more than the air permeability of the woven or knitted fabric at RH 30% equilibrium (preferably 8% or more) high woven or knitted fabric. 通気度の差がかかる範囲よりも小さいと発汗時にムレ感の問題が発生しやすくなり、好ましくない。 Difference in air permeability is small, the stuffiness feeling problem is likely to occur during perspiration than this range is not preferable. 【0021】以上のような、湿度変化に対して前記の寸法差及び通気度差を有する通気性自己調節織編物は前記複合繊維(A)と繊維(B)の重量比率を70:30〜 The above as breathable autoregulatory textile fabric having dimensional differences and air permeability difference between the relative humidity changes from that of the composite fiber (A) the weight ratio of the fibers (B) 70: 30~
30:70の範囲内としながら繊維の形態、繊度等を適宜選択し、かつ前記の織編組織で織編成した後、該織編物に常法の染色加工を施し、複合繊維(A)の捲縮を促進させることにより得られる。 Form of fibers with a range of 30:70 to appropriately select the fineness and the like, and after knitted woven by the weaving knitting structure, subjected to dyeing in a conventional manner in the woven or knitted fabric, wound composite fibers (A) obtained by promoting the condensation. 【0022】ここで、雰囲気の湿度変化に対して該織編物の通気度が変化する理由は以下の通りである。 [0022] The reason why the air permeability of the woven or knitted fabric with respect to humidity change the atmosphere is changed is as follows. 即ち、 In other words,
本発明の通気性自己調節織編物を囲む雰囲気が乾燥状態から高湿度状態に変化すると複合繊維の捲縮の内側成分が伸張し、捲縮が粗くなる。 Inner components of crimps of the composite fibers and the atmosphere surrounding the breathable autoregulatory woven or knitted fabric of the present invention is changed from the dry state to the high humidity state is stretched, crimped becomes rough. その際、織編物の寸法が規制されていると複合繊維が織編物の厚み方向に弛緩して該織編物内の空隙率が高まるため、通気性が向上する。 At that time, since the porosity of the textile knitted fabric to relax in the thickness direction of the composite fiber is woven or knitted fabric the dimensions of the woven or knitted fabric is restricted is increased, thereby improving the air permeability.
逆に、前記雰囲気が高湿度状態から乾燥状態に変化すると複合繊維の捲縮形態が密になる。 Conversely, crimp form of the composite fiber becomes dense and the atmosphere is changed to dry from the high humidity condition. その結果、織編物の空隙率が低くなるため、通気性が低下する。 As a result, the porosity of the woven or knitted fabric becomes low, air permeability decreases. 本発明の通気性自己調節織編物はかかる作用により通気性の自己調節機能を有する。 Breathable autoregulatory woven or knitted fabric of the present invention has a self-regulating function of the permeability by such action. 【0023】 【実施例】次に本発明の実施例及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。 The detailed examples and comparative examples of Embodiment Next present invention, but the invention is not limited thereto.
なお、実施例中の各測定項目は下記の方法で測定した。 Each measurement items in Examples were measured by the following method. <極限粘度>O−クロロフェノールを溶媒とし、25℃ The <Intrinsic viscosity> O-chlorophenol as a solvent, 25 ° C.
で求めた。 In was determined. <通気度>カトーテック(株)製KES−F8−AP1通気性試験機を使用し、通気抵抗を測定し、通気性の代用特性とした。 Using the <permeability> Kato Tech Co., Ltd. KES-F8-AP1 breathable tester, the ventilation resistance was measured and the substitute characteristic of breathability. <蒸れ感>試験者3名により、28℃60%RH、風速14m/secの雰囲気内でマシンによる30分間の歩行を行った後、蒸れ感を官能評価した。 The <stuffy feeling> testers three, 28 ℃ 60% RH, after walking for 30 minutes by machines in an atmosphere of air velocity 14m / sec, the feeling of stuffiness was organoleptically evaluated. 【0024】[実施例1]極限粘度[η]が1.1のナイロン6と極限粘度[η]が0.5であり、ポリエチレンテレフタレートに5−ナトリウムスルホイソフタル酸を2.6モル%共重合させた変性ポリエチレンテレフタレートを常法により紡糸温度285℃、紡糸速度100 [0024] [Example 1] is an intrinsic viscosity [eta] is nylon 6 and the intrinsic viscosity [eta] of 0.5 to 1.1, polyethylene terephthalate 5-sodium sulfoisophthalic acid 2.6 mol% copolymerized modified polyethylene terephthalate obtained by a conventional method by a spinning temperature 285 ° C. the spinning rate of 100
0m/min、延伸倍率2.7倍、熱セット温度140 0 m / min, stretching ratio 2.7 times, heat setting temperature 140
℃、巻取速度2700m/minで紡糸直接延伸して図3(イ)に示すような断面形状を有した83dtex/ ° C., had a cross-sectional shape as shown in FIG. 3 (a) is spun directly drawn at the winding speed 2700 m / min 83 dtex /
24filのサイドバイサイド型に接合された複合繊維を得た。 To obtain a composite fiber bonded in a side-by-side type of 24Fil. 【0025】次いで該複合繊維を図5に示す接触式ヒーター3を用いて120℃で1%弛緩して熱処理を施し、 [0025] Then subjected to 1% relaxation to a heat treatment at 120 ° C. using a contact type heater 3 shown in FIG. 5 the composite fibers,
引き続きインターレースノズルで32ケ/mの交絡処理を施し、複合繊維(A)とした。 Subsequently subjected to entangling treatment 32 Ke / m interlaced nozzle, and a composite fiber (A). 【0026】一方、極限粘度[η]が0.5であり、5 [0026] On the other hand, it is an intrinsic viscosity [η] of 0.5, 5
−ナトリウムスルホイソフタル酸を2.6モル%共重合させた変性ポリエチレンテレフタレートを常法により紡糸温度285℃、紡糸速度1000m/min、延伸倍率2.7倍、熱セット温度140℃、巻取速度2700 - sodium sulfoisophthalic acid-modified polyethylene terephthalate obtained by copolymerization 2.6 mol% by a conventional method spinning temperature 285 ° C., a spinning speed of 1000 m / min, stretching ratio 2.7 times, the heat setting temperature 140 ° C., winding speed 2700
m/minで紡糸直接延伸して56dtex/24fi It spun directly stretched in m / min 56dtex / 24fi
lの繊維(B)を得た。 l obtain a fiber (B) of the. 【0027】次いで、前記の複合繊維(A)と繊維(B)を用いて(重量比A:B=60:40)図2に示す添え糸編物を編成し、高圧120℃で十分揉み効果を付与して複合繊維(A)の捲縮発現を促進した後、常法の乾熱180℃によるプレセット、高圧120℃による染色、乾熱160℃による仕上げセットを施し、仕上げ密度が40コース/2.54cm、47ウエール/2. [0027] Then, using the above composite fibers (A) and the fibers (B) (weight ratio A: B = 60: 40) organizes the subscript yarn knitting shown in FIG. 2, a sufficient massaging effect at high pressure 120 ° C. granted to after promoting the crimp of the composite fiber (a), dry heat 180 preset by ° C. in a conventional method, dyed by the high-pressure 120 ° C., subjected to finishing set according to dry heat 160 ° C., finishing density of 40 courses / 2.54cm, 47 wales / 2.
54cmの製品を得た。 To obtain a product of 54cm. かかる製品から複合繊維(A) Composite fibers from such products (A)
を抜き出し、捲縮構造を観測したところ、捲縮の内側にナイロン成分が位置する捲縮構造であった。 The extraction and observing the crimped structure was crimped structure nylon component is located inside the crimp. 【0028】次いで、該製品について乾燥雰囲気下(2 [0028] Then, under a dry atmosphere for the product (2
5℃、30%RH)平衡時を基準として高湿度雰囲気下(25℃、95%RH)における通気性と寸法の変化率を測定した。 5 ° C., under a high humidity atmosphere on the basis of the 30% RH) at equilibrium (25 ° C., was measured rate of change in air permeability and dimensions of RH 95%). 結果を表1に示す。 The results are shown in Table 1. なお、20分経過後のデータを平衡時のデータとした。 Incidentally, the data after the lapse of 20 minutes and equilibrium data. 【0029】[比較例1]実施例1で用いた複合繊維(A)の代わりに同様の総繊度、フィラメント数、捲縮率の仮撚加工が施されたポリエチレンテレフタレート繊維を用い、それ以外は実施例1と同じ条件で編物を編成し、続いて実施例1と同じ条件で染色加工を施して、仕上げ密度が40コース/2.54cm、47ウエール/ The same total fineness in place of the composite fiber used in Comparative Example 1 Example 1 (A), the number of filaments, a polyethylene terephthalate fiber false twisting is performed in the crimping rate, otherwise organize knitted under the same conditions as in example 1, followed by subjecting the dyeing under the same conditions as in example 1, finish density 40 course /2.54cm,47 wales /
2.54cmの製品を得た。 To obtain a product of 2.54cm. 【0030】次いで、該製品について乾燥雰囲気下(2 [0030] Then, under a dry atmosphere for the product (2
5℃、30%RH)平衡時を基準として高湿度雰囲気下(25℃、95%RH)における通気性と寸法の変化率を測定した。 5 ° C., under a high humidity atmosphere on the basis of the 30% RH) at equilibrium (25 ° C., was measured rate of change in air permeability and dimensions of RH 95%). 結果を表1に示す。 The results are shown in Table 1. なお、20分経過後のデータを平衡時のデータとした。 Incidentally, the data after the lapse of 20 minutes and equilibrium data. 【0031】 【表1】 [0031] [Table 1] 【0032】実施例1の編地は、雰囲気が乾燥状態から高湿度状態に変化すると複合繊維(A)の捲縮形態が粗くなって、編組織内の空隙率が大きくなることにより、 The knitted fabric of Example 1, the atmosphere becomes coarse crimped form of the fiber composite to vary from a dry state to the high humidity state (A), by the porosity of the knitting structure is increased,
通気性が高くなった。 Breathability is increased. 逆に雰囲気が高湿度状態から乾燥状態に戻ると複合繊維(A)の捲縮形態が細かくなり、 A crimp form of the composite fiber (A) the atmosphere in the reverse back to a dry state from a high humidity state becomes finer,
編組織内の空隙率が小さくなることにより、通気性も低くなることが判明した。 By porosity of the knitting structure is reduced, and found to be lower breathability. また、このように複合繊維の捲縮形態が乾燥雰囲気と高湿度雰囲気とで大きく変化しているにもかかわらず、編地の寸法変化は高々1.2%と小さいものであった。 The thus crimped form of the composite fiber Despite the greatly changed between a high humidity atmosphere and a dry atmosphere, the dimensional change of the fabric was as most as small 1.2%. 【0033】一方、比較例1の編地は、雰囲気が乾燥状態から高湿度状態に変化しても、捲縮の形態が変わらず、通気性はほとんど変化しなかった。 On the other hand, the knitted fabric in Comparative Example 1, be varied atmosphere from dry state to the high humidity state, unchanged form of crimped, hardly changed breathable. 【0034】次いで、実施例1の編地と比較例1の編地を用いてTシャツを試作し、試験者3名で、蒸れ感の官能評価を行ったところ、試験者3名とも、実施例1の編地によるものが比較例1の編地によるものよりも蒸れ感が少なく快適であるという評価で一致した。 [0034] Then, a prototype T-shirt with the knitted fabric of Comparative Example 1 and the knitted fabric of Example 1, the test's three, was subjected to a sensory evaluation of the sense of stuffiness, both the test's three, carried out due to the knitted fabric of example 1 was matched in the evaluation that it is comfortable little feeling stuffy than with knitted fabric of comparative example 1. 【0035】なお、実施例1の編地、比較例1の編地とも、汗等で吸湿した状態において、Tシャツの寸法変化や、しわ、しぼ等の外観変化は特に認められなかった。 [0035] It should be noted that the knitted fabric of Example 1, with the knitted fabric of Comparative Example 1, in the state that have absorbed moisture in sweat, etc., dimensional change and T-shirts, wrinkle, appearance change such as grain was observed in particular. 【0036】 【発明の効果】本発明の通気性自己調節織編物によれば、運動などをして衣服内の湿度が高くなると、その湿度変化を自己感知し、自動的に通気性が高くなる機能を有した、着用快適性に優れた衣料が得られる。 According breathable autoregulatory woven or knitted fabric of the present invention according to the present invention, the humidity within the clothes in motion, etc. is high, the humidity change self-sensing, automatic ventilation increases having a function, clothing can be obtained with excellent wear comfort.

【図面の簡単な説明】 【図1】本発明において、用いることのできる編組織の模式図である。 BRIEF DESCRIPTION OF THE DRAWINGS] [Figure 1] The present invention is a schematic diagram of a knitting structure which can be used. 【図2】本発明において、用いることのできる編組織の模式図である。 In the present invention, FIG is a schematic diagram of a knitting structure which can be used. 【図3】本発明で用いられる複合繊維(A)の横断面を例示した模式図である。 3 is a schematic diagram illustrating a cross section of the composite fiber used in the present invention (A). 【図4】本発明で用いられる複合繊維(A)の、捲縮発現後における湾曲構造の一形態を示す模式図である。 [Figure 4] of the composite fiber used in the present invention (A), is a schematic view showing one embodiment of a curved configuration after crimp development. 【図5】本発明において、用いることのできる熱処理装置の1例を示す概略図である。 In Figure 5 the present invention, is a schematic diagram showing an example of a heat treatment apparatus that can be used. 【符号の説明】 P 変性ポリエチレンテレフタレートN ナイロン(A)サイドバイサイド型に接合された複合繊維(A) (B)温度変化に対して実質的に寸法変化しない繊維(B) 1 プレテンションローラ2 供給ローラ3 熱処理ヒータ4 取り出しローラ5 インターレースノズル6 巻取り装置 [Reference Numerals] P modified polyethylene terephthalate N nylon (A) composite fibers bonded in a side-by-side type (A) (B) fibers which do not change substantially dimensional over temperature (B) 1 pre-tension rollers 2 feed roller 3 heat treating heater 4 out roller 5 interlacing nozzle 6 take-up device

───────────────────────────────────────────────────── フロントページの続き (72)発明者 坪井 誠治 東京都千代田区内幸町2丁目1番1号 帝 人株式会社内Fターム(参考) 4L002 AA06 AA07 AB05 AC02 BB02 DA01 EA02 EA03 FA01 ────────────────────────────────────────────────── ─── front page of the continuation (72) inventor Seiji Tsuboi, Chiyoda-ku, tokyo Uchisaiwaicho 2 chome No. 1 Teijin Co., Ltd. in the F-term (reference) 4L002 AA06 AA07 AB05 AC02 BB02 DA01 EA02 EA03 FA01

Claims (1)

  1. 【特許請求の範囲】 【請求項1】 スルホネート基を含有する変性ポリエチレンテレフタレートとナイロンとがサイドバイサイド型に接合された複合繊維(A)と湿度の変化に対して実質的に寸法変化しない繊維(B)からなる織編物であって、前記複合繊維(A)と繊維(B)との重量比率が7 Claims 1. A fiber that does not change substantially the dimensions and the composite fibers and modified polyethylene terephthalate and nylon which contain sulfonate groups are bonded in a side-by-side type (A) with respect to changes in humidity (B ) a woven or knitted fabric made of, the weight ratio of the composite fiber (a) and the fibers (B) is 7
    0:30〜30:70であり、かつ下記(1)及び(2)の要件を同時に満足することを特徴とする通気性自己調節織編物。 0: 30-30: 70 and it is, and the following (1) and (2) breathable autoregulatory woven or knitted fabric, characterized in that simultaneously satisfies the requirements. (1)25℃、30%RH平衡時における織編物の寸法と25℃、95%RH平衡時における該織編物の寸法との差が、織編物の長さ方向及び巾方向においてそれぞれ5%以内である。 (1) 25 ° C., dimensions and 25 ° C. of woven or knitted fabric in 30% RH equilibrium, the difference between the dimensions of the textile knitted in 95% RH equilibrium is, within 5%, respectively in the longitudinal and width directions of the woven or knitted fabric it is. (2)25℃、95%RH平衡時における織編物の通気度が25℃、30%RH平衡時における該織編物の通気度よりも6%以上高い。 (2) 25 ℃, is 25 ° C., more than 6% higher than the air permeability of the woven or knitted fabric at RH 30% equilibrium permeability of the woven or knitted fabric at RH 95% equilibrium. 【請求項2】 前記スルホネート基を含有する変性ポリエチレンテレフタレートが、5−ナトリウムスルホイソフタル酸成分を1〜7モル%共重合した変性ポリエチレンテレフタレートである請求項1に記載の通気性自己調節織編物。 Wherein said modified polyethylene terephthalate containing sulfonate groups, breathable autoregulatory woven or knitted fabric according to claim 1 is a modified polyethylene terephthalate polymerized 1-7 mole% co 5-sodium sulfoisophthalic acid component. 【請求項3】 前記複合繊維(A)が、ナイロン成分が捲縮の内側に位置する捲縮糸である請求項1または請求項2に記載の通気性自己調節織編物。 Wherein said composite fiber (A) is breathable autoregulatory woven or knitted fabric according to claim 1 or claim 2 nylon component is crimped yarn located inside the crimp.
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