JP2007070768A - Spun yarn and woven or knitted fabric - Google Patents

Spun yarn and woven or knitted fabric Download PDF

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JP2007070768A
JP2007070768A JP2005260608A JP2005260608A JP2007070768A JP 2007070768 A JP2007070768 A JP 2007070768A JP 2005260608 A JP2005260608 A JP 2005260608A JP 2005260608 A JP2005260608 A JP 2005260608A JP 2007070768 A JP2007070768 A JP 2007070768A
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spun yarn
yarn
fiber
knitted fabric
hollow
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Koji Takeshita
皇二 竹下
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Teijin Fibers Ltd
帝人ファイバー株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a spun yarn containing a hollow polyester fiber having a light weight property, high bulky property and heat-retaining property, and equipped with a high anti-pilling property jointly, and a woven or knitted fabric by using such the spun yarn. <P>SOLUTION: This spun yarn having ≤5.0 cm total of the length of fluffs that appeared on the surface of the spun yarn per 1 cm yarn length is obtained by using the hollow polyester fiber having 0.5-6.0 dtex single fiber fineness and ≥40% hollow rate at fiber cross section, also e.g. by using a rotational gas flow type air fine spinning frame. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、中空ポリエステル繊維を含む紡績糸であって、軽量性、嵩高性、保温性を有し、かつ高い抗ピリング性を兼ね備えた紡績糸、およびかかる紡績糸を用いてなる織編物に関する。   The present invention relates to a spun yarn containing hollow polyester fibers, which has lightness, bulkiness and heat retention, and also has high anti-pilling properties, and a woven / knitted fabric using such a spun yarn.
ポリエステル繊維は、力学的特性、熱的特性に優れているので、衣料、寝具、インテリア用途、産業用途などに幅広く使用されている。また、近年では、かかるポリエステル繊維を中空繊維とすることにより、軽量性や保温性を付加することが提案されている(例えば、特許文献1、特許文献2参照)。   Polyester fibers are widely used in clothing, bedding, interior use, industrial use and the like because they are excellent in mechanical properties and thermal properties. In recent years, it has been proposed to add lightness and heat retention by using such polyester fibers as hollow fibers (see, for example, Patent Document 1 and Patent Document 2).
しかしながら、高い中空率を有する中空ポリエステル繊維を用いて紡績糸を得ると、該紡績糸は軽量性や保温性は呈するものの、フィブリル化や中空割れが発生しやすくなり、該紡績糸を用いて得られた織編物において、繊維が毛羽立ち易くなるため抗ピリング性が低下するという問題があった。   However, when a spun yarn is obtained using a hollow polyester fiber having a high hollow ratio, the spun yarn exhibits lightness and heat retention, but fibrillation and hollow cracking are likely to occur, and the spun yarn is obtained using the spun yarn. In the obtained knitted or knitted fabric, there is a problem that the anti-pilling property is lowered because the fibers are easily fluffed.
特開2000−96337号公報JP 2000-96337 A 特開平10−292222号公報JP-A-10-292222
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、中空ポリエステル繊維を含む紡績糸であって、軽量性、嵩高性、保温性を有し、高い抗ピリング性をも兼ね備えた紡績糸、およびかかる紡績糸を用いてなる織編物を提供することにある。   The present invention has been made in view of the above-described background, and an object thereof is a spun yarn including hollow polyester fibers, which has lightness, bulkiness, heat retention, and high anti-pilling properties. An object of the present invention is to provide a yarn and a woven or knitted fabric using the spun yarn.
本発明者は上記課題を達成するため鋭意検討した結果、中空ポリエステル繊維を含む紡績糸において、毛羽長さを短くすることにより高い抗ピリング性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 intensive studies to achieve the above-mentioned problems, the present inventors have found that, in spun yarn containing hollow polyester fibers, high anti-pilling properties can be obtained by shortening the fluff length, and by further intensive studies The present invention has been completed.
かくして、本発明によれば「単糸繊度が0.5〜6.0dtex、かつ繊維横断面中空率が50%以上の中空ポリエステル繊維を含む紡績糸であって、糸長1cmあたりの紡績糸表面に現れる毛羽の毛羽長さ合計が5.0cm以下であることを特徴とする紡績糸。」が提供される。   Thus, according to the present invention, “a spun yarn containing hollow polyester fibers having a single yarn fineness of 0.5 to 6.0 dtex and a fiber cross-sectional hollowness of 50% or more, and the surface of the spun yarn per 1 cm of yarn length A spun yarn is characterized in that the total fluff length of the fluff appearing in the above is 5.0 cm or less.
その際、前記の中空ポリエステル繊維が、紡績糸全体重量に対して30重量%以上含まれることが好ましい。また、紡績糸の番手が、英式番手で10〜60番手の範囲内であることが好ましい。また、紡績糸が下記式を満足することが好ましい。
H≦4.8−(0.02N)
ただし、Hは前記の毛羽長さの合計(cm)、Nは紡績糸の英式綿番手を表す。
At that time, the hollow polyester fiber is preferably contained in an amount of 30% by weight or more based on the total weight of the spun yarn. Moreover, it is preferable that the count of the spun yarn is in the range of 10 to 60 in English. Moreover, it is preferable that the spun yarn satisfies the following formula.
H ≦ 4.8− (0.02N)
However, H represents the total length (cm) of the fluff length, and N represents the English cotton count of the spun yarn.
本発明の紡績糸は旋回気流式空気精紡機を用いて得られたものであることが好ましい。
また、本発明によれば、前記の紡績糸を30重量%以上含む織編物が提供される。かかる織編物において、JIS L 1076 A法に定められているICI法による抗ピリング等級が2.5級以上であることが好ましい。
The spun yarn of the present invention is preferably obtained using a swirling air type air spinning machine.
Moreover, according to this invention, the woven / knitted fabric containing 30 weight% or more of said spun yarn is provided. In such a woven or knitted fabric, the anti-pilling grade according to the ICI method defined in the JIS L 1076 A method is preferably 2.5 or higher.
本発明によれば、中空ポリエステル繊維を含む紡績糸であって、軽量性、嵩高性、保温性を有し、高い抗ピリング性をも兼ね備えた紡績糸、およびかかる紡績糸を用いてなる織編物が得られる。   According to the present invention, a spun yarn comprising hollow polyester fibers, which has lightness, bulkiness and heat retention, and also has high anti-pilling properties, and a woven / knitted fabric using such a spun yarn Is obtained.
以下、本発明の実施の形態について詳細に説明する。
まず、本発明の紡績糸に含まれる中空ポリエステル繊維において、単糸繊度が0.5〜6.0dtex(好ましくは0.5〜4.4dtex、特に好ましくは1.0〜2.2dtex)、かつ繊維横断面中空率が50%以上(好ましくは50〜85%、特に好ましくは50〜65%)であることが肝要である。
Hereinafter, embodiments of the present invention will be described in detail.
First, in the hollow polyester fiber contained in the spun yarn of the present invention, the single yarn fineness is 0.5 to 6.0 dtex (preferably 0.5 to 4.4 dtex, particularly preferably 1.0 to 2.2 dtex), and It is important that the fiber cross-sectional hollowness is 50% or more (preferably 50 to 85%, particularly preferably 50 to 65%).
ここで、該中空ポリエステル繊維の単糸繊度が0.5dtex未満では、嵩高性が損なわれ、また、50%以上の繊維横断面中空率が得ることが難しくなるため好ましくない。逆に、該単糸繊度が6.0dtexを越えると中空つぶれが発生した場合の変形歪が大きくなり、軽量性や保温性が低下し好ましくない。   Here, when the single yarn fineness of the hollow polyester fiber is less than 0.5 dtex, the bulkiness is impaired, and it becomes difficult to obtain a fiber cross-sectional hollowness of 50% or more, which is not preferable. On the other hand, if the single yarn fineness exceeds 6.0 dtex, the deformation strain when hollow crushing occurs becomes large, which is not preferable because lightness and heat retention are lowered.
また、前記の繊維横断面中空率が50%より小さいと、十分な軽量性と保温性が得られず好ましくない。逆に、該繊維横断面中空率が85%を越えると、中空壁面の厚さが薄くなりすぎて中空割れが発生しやすくなるおそれがある。なお、中空率は、単糸繊維の断面積(中空部を含む)と中空部面積を測定し、その面積比から算出するものとする。   Further, if the fiber cross-sectional hollowness is less than 50%, it is not preferable because sufficient lightness and heat retention cannot be obtained. On the other hand, if the fiber cross-section hollowness ratio exceeds 85%, the thickness of the hollow wall surface becomes too thin, and there is a possibility that hollow cracks are likely to occur. The hollow ratio is calculated from the area ratio of the cross-sectional area (including the hollow portion) of the single yarn fiber and the area of the hollow portion.
かかる中空ポリエステル繊維は、広角X線写真から計算される結晶化度が20%以上(好ましくは22〜33%)であり、かつ、広角X線回折写真の面回折ピークの半値幅から計算される結晶サイズが40Å以上(好ましくは40〜90Å)であると中空形状の回復特性が向上するので好ましい。すなわち、上記の円周方向への分子配向に加えて、ポリマー分子鎖間の大きな結晶核による強固な繋ぎ止め効果と結晶核間の長いアモルファス分子鎖の運動性とが相まって中空部が一旦潰れても加熱処理により元の形状に用意に回復させることができる。   Such hollow polyester fiber has a crystallinity calculated from a wide-angle X-ray photograph of 20% or more (preferably 22 to 33%), and is calculated from the half-value width of the surface diffraction peak of the wide-angle X-ray diffraction photograph. A crystal size of 40 mm or more (preferably 40 to 90 mm) is preferred because the recovery characteristics of the hollow shape are improved. That is, in addition to the above-described molecular orientation in the circumferential direction, the hollow portion is once collapsed due to the strong anchoring effect of large crystal nuclei between polymer molecular chains and the mobility of long amorphous molecular chains between crystal nuclei. Also, it can be easily restored to its original shape by heat treatment.
このような中空ポリエステル繊維は、例えば特開平10−292222号公報に記載された方法により容易に得ることができる。すなわち、後記のようなポリエステルを、中空糸製造用紡糸孔を具備する紡糸口金から吐出し、該吐出糸条を口金直下で一旦急冷し次いで徐冷すると共に、紡糸ドラフトが150以上(好ましくは150〜500、特に好ましくは200〜400)で、且つ引取速度が500〜2000m/分(好ましくは1000〜1800m/分)で引き取ることにより容易に得られる。   Such a hollow polyester fiber can be easily obtained by, for example, the method described in JP-A-10-292222. That is, a polyester as described below is discharged from a spinneret having a spinning hole for producing a hollow fiber, the discharged yarn is once cooled immediately under the nozzle, and then gradually cooled, and a spinning draft is 150 or more (preferably 150). ˜500, particularly preferably 200 to 400), and the take-up speed is 500 to 2000 m / min (preferably 1000 to 1800 m / min).
かかる中空ポリエステル繊維を形成するポリエステルとしては、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリヘキサメチレンテレフタレート、ポリテトラメチレンテレフタレート、ポリ−1,4−ジメチルシクロヘキサンテレフタレート、ポリエチレンナフタレート、ポリピバロラクトン、またはこれらの共重合体などが例示される。共重合成分としては、イソフタル酸、5−ナトリウムスルホイソフタル酸、ジフェニルカルボン酸、ナフタレンカルボン酸等の芳香族ジカルボン酸、しゅう酸、アジピン酸、サバチン酸、ドデカン二酸等の脂肪族ジカルボン酸、P−オキシ安息香酸、P−β−ヒドロキシエトキシ安息香酸のオキシカルボン酸があげられ、またジオール成分としては1,3−プロパンジオール、1,6−ヘキサンジオール、ネオペンチルグリコール等の脂肪族ジオール、1,4−ビス(β−ヒドロキシエトキシ)ベンゼン等の芳香族ジオール、ポリエチレングリコール、ポリブチレングリコール等のポリアルキレングリコール等があげられる。なかでも、繊維形成性等の点から、ポリエチレンテレフタレートが特に好ましい。また、かかるポリエステルは、ペットボトルを原料とし、加熱して溶融また溶剤により溶解してペレット化し、再度、溶融紡糸することなどにより得られる再生ポリエステル、およびケミカルリサイクルにより得られる再生ポリエステルであってもよい。また、ポリエステル中には、必要に応じて、艶消し剤、微細孔形成剤、カチオン可染剤、着色防止剤、熱安定剤、難燃剤、蛍光増白剤、着色剤、帯電防止剤、吸湿剤、抗菌剤、マイナスイオン発生剤等を1種又は2種以上を添加してもよい。   Examples of the polyester forming the hollow polyester fiber include polyethylene terephthalate, polybutylene terephthalate, polyhexamethylene terephthalate, polytetramethylene terephthalate, poly-1,4-dimethylcyclohexane terephthalate, polyethylene naphthalate, polypivalolactone, or these. Examples include copolymers. Examples of copolymer components include aromatic dicarboxylic acids such as isophthalic acid, 5-sodium sulfoisophthalic acid, diphenylcarboxylic acid, and naphthalenecarboxylic acid, aliphatic dicarboxylic acids such as oxalic acid, adipic acid, sabatic acid, and dodecanedioic acid, P -Oxybenzoic acid, oxycarboxylic acid of P-β-hydroxyethoxybenzoic acid, and examples of the diol component include aliphatic diols such as 1,3-propanediol, 1,6-hexanediol, and neopentyl glycol, Aromatic diols such as 1,4-bis (β-hydroxyethoxy) benzene, and polyalkylene glycols such as polyethylene glycol and polybutylene glycol. Among these, polyethylene terephthalate is particularly preferable from the viewpoint of fiber forming property. Further, the polyester may be a recycled polyester obtained by using PET bottles as a raw material, heated and melted or dissolved in a solvent to be pelletized, and again melt-spun, and a recycled polyester obtained by chemical recycling. Good. In addition, in the polyester, a matting agent, a fine pore forming agent, a cationic dyeing agent, a coloring prevention agent, a heat stabilizer, a flame retardant, a fluorescent whitening agent, a coloring agent, an antistatic agent, and a moisture absorption as necessary. You may add 1 type, or 2 or more types of an agent, an antibacterial agent, a negative ion generator.
かかる中空ポリエステル繊維は、短繊維として紡績糸中に含まれる。その際、繊維長は30〜51mmが好ましく、より好ましくは32〜44mm、特に好ましくは32〜38mmである。繊維長が30mm未満であると紡績糸中の繊維の均斉度や毛羽立ちが多くなり糸品質が低下するおそれがある。また51mmを越えると繊維をドラフトすることが難しくなり、紡績糸としての品質低下や、生産効率が低下するおそれがある。さらには、捲縮数が3〜40個/2.54cmとなるよう、通常の押し込みクリンパー方式による機械捲縮が付与されていることが好ましい。   Such a hollow polyester fiber is contained in the spun yarn as a short fiber. In that case, 30-51 mm of fiber length is preferable, More preferably, it is 32-44 mm, Most preferably, it is 32-38 mm. When the fiber length is less than 30 mm, the uniformity and fluff of the fibers in the spun yarn increase, and the yarn quality may be deteriorated. On the other hand, if it exceeds 51 mm, it is difficult to draft the fiber, and there is a concern that the quality of spun yarn may be lowered and the production efficiency may be lowered. Furthermore, it is preferable that mechanical crimping by a normal indentation crimper method is applied so that the number of crimps is 3 to 40 pieces / 2.54 cm.
本発明の紡績糸において、前記中空ポリエステル繊維100%で構成される必要はなく、他の繊維として、綿などの天然繊維、レーヨンなどの再生繊維の他、ポリエステル系繊維、ポリアミド系繊維、ポリビニル系繊維、ポリアクリル系繊維などの短繊維紡績糸に使用されている素材、さらには合成繊維フィラメントなどが含まれていてもよい。その際、中空ポリエステル繊維が重量比率で30重量%以上(より好ましくは40重量%以上、特に好ましくは50重量%以上)であることが好ましい。前記中空ポリエステル繊維の重量比率が30%未満である場合には、中空繊維の持つ軽量、嵩高性、反発性、保温性、ハリ、コシ感が薄れるおそれがある。   The spun yarn of the present invention does not need to be composed of 100% of the hollow polyester fiber, and other fibers include natural fibers such as cotton, regenerated fibers such as rayon, polyester fibers, polyamide fibers, and polyvinyl fibers. The raw material used for the short fiber spun yarns, such as a fiber and a polyacrylic fiber, Furthermore, the synthetic fiber filament etc. may be contained. In that case, it is preferable that the hollow polyester fiber is 30% by weight or more (more preferably 40% by weight or more, particularly preferably 50% by weight or more) by weight. When the weight ratio of the hollow polyester fiber is less than 30%, the light weight, bulkiness, resilience, heat retention, elasticity and firmness of the hollow fiber may be reduced.
次に、本発明の紡績糸において、糸長1cmあたりの紡績糸表面に現れる毛羽の毛羽長さ合計が5.0cm以下(好ましくは1.0〜4.5cm)であることが肝要である。ここで、毛羽長さ合計とは、紡績糸の糸長1cmあたりの、紡績糸表面に現れる毛羽の各毛羽長さを合計した値であり、ウスターテクノロジーズ(株)製USTER TESTERにより測定することができる。該値が5.0cmよりも大きいと、紡績糸表面に現れた毛羽が互いに絡みやすくなり、抗ピリング性を悪化させるため好ましくない。本発明ではこの紡績糸表面に現れる毛羽数を抑えることにより、編織物表面で毛羽が互いに絡み合うことを抑制し、抗ピリング性を向上させようとするものである。   Next, in the spun yarn of the present invention, it is important that the total fluff length of the fluff appearing on the spun yarn surface per 1 cm of the yarn length is 5.0 cm or less (preferably 1.0 to 4.5 cm). Here, the total fluff length is a total value of the fluff lengths of the fluff appearing on the surface of the spun yarn per 1 cm of the spun yarn length, which can be measured by USTER TESTER manufactured by Worcester Technologies Co., Ltd. it can. When the value is larger than 5.0 cm, the fuzz appearing on the surface of the spun yarn tends to be entangled with each other, and the anti-pilling property is deteriorated. In the present invention, by suppressing the number of fluff appearing on the surface of the spun yarn, the knitted fabric surface is prevented from being entangled with each other, thereby improving the anti-pilling property.
また、本発明の紡績糸において、紡績糸の番手としては、糸質や生産効率低下などを避けるため、英式番手で10〜60番手が好ましく、より好ましくは20〜50番手である。特に、紡績糸が下記式を満足することが好ましい。
H≦4.8−(0.02N)
ただし、Hは前記の毛羽長さの合計(cm)、Nは紡績糸の英式綿番手を表す。
In the spun yarn of the present invention, the yarn count of the spun yarn is preferably from 10 to 60, more preferably from 20 to 50, in order to avoid a decrease in yarn quality and production efficiency. In particular, the spun yarn preferably satisfies the following formula.
H ≦ 4.8− (0.02N)
However, H represents the total length (cm) of the fluff length, and N represents the English cotton count of the spun yarn.
毛羽長さの合計Hが4.8−(0.02N)よりも大きいと、紡績糸表面出現した毛羽が互いに絡みやすくなり、抗ピリング性を悪化させるおそれがある。   If the total fluff length H is larger than 4.8− (0.02N), the fluffs appearing on the surface of the spun yarn are likely to be entangled with each other, which may deteriorate the anti-pilling property.
本発明の紡績糸を製造する方法としては、ローラー方式のドラフト機構を有する空気精紡機(例えば、村田機械製、型式MVS)を用いて紡績する方法が好ましく例示される。かかる方法によれば、空気の旋回流によって繊維が渦巻状に加撚され、繊維の一端は紡績糸断面の中心付近に撚り込まれるため、表面に出現する毛羽数が少ない紡績糸を得ることが出来る。他方、リング式精紡機を使用した場合には、表面に現れる毛羽数が多くなるだけでなく、加撚する際に繊維がリングトラベラーなどの金属と接触する事によって中空潰れや中空割れが発生しやすくなるおそれがある。なお、毛羽長さの合計Hを4.8−(0.02N)以下とするには、適宜、紡出速度、エア圧を選択するとよい。   As a method for producing the spun yarn of the present invention, a method of spinning using an air spinning machine having a roller type draft mechanism (for example, model MVS, manufactured by Murata Kikai) is preferably exemplified. According to such a method, the fiber is twisted spirally by the swirling flow of air, and one end of the fiber is twisted near the center of the cross section of the spun yarn, so that a spun yarn with a small number of fluff appearing on the surface can be obtained. I can do it. On the other hand, when a ring spinning machine is used, not only the number of fluffs appearing on the surface increases, but also when the fibers are twisted, hollow crushing and hollow cracking occur due to contact with the metal such as a ring traveler. May be easier. In order to set the total fluff length H to 4.8− (0.02N) or less, the spinning speed and the air pressure may be appropriately selected.
次に、本発明の織編物は、前記の紡績糸を30重量%以上(好ましくは40重量%以上)含む織編物である。ここで、他の紡績糸や糸条との交編や交織としてもよい。前記紡績糸の含有量が30重量%以上であれば、中空ポリエステル繊維の有する特徴を発揮し、ハリコシ感を持った織編物を得ることができるため好ましい。   Next, the woven or knitted fabric of the present invention is a woven or knitted fabric containing 30% by weight or more (preferably 40% by weight or more) of the spun yarn. Here, knitting or weaving with other spun yarn or yarn may be used. If the content of the spun yarn is 30% by weight or more, it is preferable because a woven or knitted fabric having a sense of elasticity can be obtained because the characteristics of the hollow polyester fiber are exhibited.
本発明の織編物において織編組織は特に限定されず、通常の方法で製編織された織編物でよい。例えば、織物の織組織としては、平織、綾織、朱子織等の三原組織、変化組織、たて二重織、よこ二重織等の片二重組織、たてビロードなどが例示される。編物の種類は、よこ編物であってもよいしたて編物であってもよい。よこ編組織としては、天竺、平編、ゴム編、両面編、パール編、タック編、浮き編、片畔編、レース編、添え毛編等が好ましく例示され、たて編組織としては、シングルデンビー編、シングルアトラス編、ダブルコード編、ハーフトリコット編、裏毛編、ジャガード編等が例示される。層数も単層でもよいし、2層以上の多層でもよい。   In the woven or knitted fabric of the present invention, the woven or knitted structure is not particularly limited, and may be a woven or knitted fabric knitted and woven by a normal method. For example, examples of the woven structure of the woven fabric include a three-layer structure such as plain weave, twill weave and satin weave, a change structure, a single double structure such as a vertical double weave and a horizontal double weave, and a vertical velvet. The type of knitted fabric may be a weft knitted fabric or a newly knitted fabric. Preferable examples of the weft knitting structure include tengu, flat knitting, rubber knitting, double-sided knitting, pearl knitting, tuck knitting, float knitting, one-sided knitting, lace knitting, bristle knitting, and the like. Examples include Denby knitting, single atlas knitting, double cord knitting, half tricot knitting, back hair knitting, jacquard knitting and the like. The number of layers may be a single layer or a multilayer of two or more layers.
本発明の織編物において、前記紡績糸に含まれる中空ポリエステル繊維により、軽量性、嵩高性、保温性を呈する。さらには、該紡績糸に現れる毛羽が少ないので、中空ポリエステル繊維の中空割れが発生しても優れた抗ピリング性を呈する。かかる抗ピリング性としては、JIS L 1076 A法に定められているICI法によるピリング等級が、好ましくは2.5級以上(さらに好ましくは3.0級以上)であることが好ましい。該ピリング等級が2.5級未満では、生地表面にピリングが出現しやすく、編織物の外観を悪化させるおそれがある。なお、上記ピリング等級を上記範囲内にするには、前記の紡績糸が織編物の30重量%以上含有させるとよい。   In the woven or knitted fabric of the present invention, the hollow polyester fiber contained in the spun yarn exhibits lightness, bulkiness and heat retention. Furthermore, since there are few fuzz appearing in the spun yarn, it exhibits excellent anti-pilling properties even if hollow cracks occur in the hollow polyester fiber. As such anti-pilling property, the pilling grade according to the ICI method defined in the JIS L 1076 A method is preferably 2.5 or higher (more preferably 3.0 or higher). If the pilling grade is less than 2.5 grade, pilling tends to appear on the surface of the fabric, which may deteriorate the appearance of the knitted fabric. In order to make the pilling grade within the above range, the spun yarn is preferably contained in an amount of 30% by weight or more of the woven or knitted fabric.
なお、本発明の織編物には、本発明の目的が損なわれない範囲内であれば、常法の染色仕上げ加工、プリント加工、撥水加工、起毛加工、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。   In the woven or knitted fabric of the present invention, as long as the object of the present invention is not impaired, conventional dyeing finish processing, printing processing, water repellent processing, raising processing, ultraviolet shielding or antibacterial agent, deodorant Various processings that impart functions such as insect repellents, phosphorescent agents, retroreflective agents, and negative ion generators may be additionally applied.
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。なお、実施例中の各測定項目は下記の方法で測定した。
(1)融点
Du Pont社製 熱示差分析計990型を使用し、昇温20℃/分で測定し、融解ピークをもとめた。
(2)中空率(%)
画像解析システム、ピアス−2(ピアス(株)製)を用い、単糸繊維のセクション断面画像を500倍に拡大して単糸繊維の断面積(中空部を含む)と中空部面積を測定し、その面積比から中空率(%)を算出した。
(3)繊維の捲縮数
JIS L 1015 7.12に記載の方法により測定した。
(4)中空潰れ
紡績糸の断面写真より測定し、中空潰れが無く、良好なものを○、やや不良△、不良×とした。
(5)紡績糸毛羽数
ウスターテクノロジーズ(株)製USTER TESTERを使用し、糸長1cmあたりに含まれる毛羽の毛羽長さ(cm)の合計を測定した。
(6)抗ピリング性試験
JIS L 1076 A法(ICI法 5時間)により測定した。
(7)嵩高性
JIS 1018 8.20法により算出し、優れているものを◎、良いものを○、普通のものを△、劣っているものを×として、ランク付けで判定した。
(8)保温性
JIS L 1096 8.28.1 A法により測定し、保温率の優れている物を◎、良いものを○、普通△、劣る×とランク付けで判定した。
Next, although the Example and comparative example of this invention are explained in full detail, this invention is not limited by these. In addition, each measurement item in an Example was measured with the following method.
(1) Melting point Using a differential thermal analyzer 990 manufactured by Du Pont, measured at a temperature increase of 20 ° C./min, and obtained a melting peak.
(2) Hollow ratio (%)
Using an image analysis system, Pierce-2 (manufactured by Pierce Co., Ltd.), the section cross-sectional image of the single yarn fiber is magnified 500 times to measure the cross-sectional area (including the hollow portion) and the hollow portion area of the single yarn fiber. The void ratio (%) was calculated from the area ratio.
(3) The number of crimps of the fiber Measured by the method described in JIS L 1015 7.12.
(4) Hollow crushing Measured from a cross-sectional photograph of the spun yarn, there was no hollow crushing, and good ones were evaluated as “good”, “slightly bad”, and “poor”.
(5) Number of spun yarn fluff Using a USTER TESTER manufactured by Worcester Technologies, Inc., the total fluff length (cm) contained per 1 cm of yarn length was measured.
(6) Anti-pilling property test It measured by JISL1076A method (ICI method 5 hours).
(7) Bulkiness Calculated according to the method of JIS 1018 8.20, it was determined by ranking with ◎ being excellent, ◯ being good, △ being normal, and × being inferior.
(8) Thermal insulation JIS L 1096 8.28.1 Measured according to the A method, a product having an excellent thermal insulation rate was judged as ◎, a good one was ○, a normal Δ, and an inferior ×.
[実施例1]
固有粘度が0.64(35℃のo−クロロフェノール中で測定、以下同じ)のポリエチレンテレフタレート(融点256℃)を用いて、特開平10−292222号公報の実施例1に記載された方法により中空率50%、単糸繊度1.1dtexの中空ポリエステル繊維を得た。これに12〜13個/25mmの機械捲縮を付与してから120℃で熱セットを行い、繊維長を38mmにカットして短繊維とした。
[Example 1]
Using polyethylene terephthalate (melting point: 256 ° C.) having an intrinsic viscosity of 0.64 (measured in o-chlorophenol at 35 ° C., the same applies hereinafter), the method described in Example 1 of JP-A-10-292222 A hollow polyester fiber having a hollow ratio of 50% and a single yarn fineness of 1.1 dtex was obtained. After 12 to 13 pieces / 25 mm of mechanical crimp was applied thereto, heat setting was performed at 120 ° C., and the fiber length was cut to 38 mm to obtain short fibers.
次いで、この得られた中空ポリエステル短繊維を公知の紡績工程である、混打綿工程、梳綿工程、練条工程を通過させて作製したスライバーを旋回気流加撚式空気精紡機(村田機械製 型式MVS)に掛け、ノズル圧力0.55Mpa、紡出速度380m/minにて紡績し、英式綿番手30番手の紡績糸を得た。この紡績法によって、繊維端は紡績糸の中心に結束されるため、表面に出現する毛羽が少ない紡績糸を得ることが出来る。
この紡績糸を30″×28Gのシングル丸編機に仕掛けて天竺編地を得た。
この編地を各染色条件に基づきリラックス、精錬、染色、脱水乾燥、仕上げセットを行い、得られた編地を用いて測定した結果を表1に示した。
Next, the sliver produced by passing the obtained hollow polyester short fiber through a known spinning process, such as a blended cotton process, a carding process, and a drawing process, was turned into a swirling air flow twisting type air spinning machine (Murata Machinery Was spun at a nozzle pressure of 0.55 Mpa and a spinning speed of 380 m / min to obtain a spun yarn of 30th English cotton count. By this spinning method, since the fiber ends are bound to the center of the spun yarn, a spun yarn with less fuzz appearing on the surface can be obtained.
The spun yarn was put on a 30 ″ × 28G single circular knitting machine to obtain a tenji knitted fabric.
Table 1 shows the results of measurement using the obtained knitted fabric after relaxing, refining, dyeing, dehydrating and finishing the knitted fabric based on the respective dyeing conditions.
[実施例2]
実施例1にて使用した中空ポリエステル短繊維と、綿の混用率を50重量%:50重量%の比率で混紡し、実施例1と同様の紡績条件で英式番手30番手を得た。この紡績糸を30″×28Gのシングル丸編機に仕掛けて天竺編地を得た。この編地を常法の染色条件に基づきリラックス、精錬、染色、脱水乾燥、仕上げセットを行い、結果を表1に示した。
[Example 2]
The hollow polyester short fiber used in Example 1 and cotton were mixed at a blending ratio of 50% by weight to 50% by weight, and 30 English counts were obtained under the same spinning conditions as in Example 1. This spun yarn was put on a 30 ″ × 28G single circular knitting machine to obtain a tenji knitted fabric. This knitted fabric was subjected to relaxation, refining, dyeing, dehydration drying and finishing set based on conventional dyeing conditions. It is shown in Table 1.
[実施例3]
実施例1にて使用した中空ポリエステル短繊維と、レーヨンの混用率を50重量%:50重量%の比率で混紡し、実施例1と同様の紡績条件で英式番手30番手を得た。この紡績糸を30″×28Gのシングル丸編機に仕掛けて天竺編地を得た。この編地を常法の染色条件に基づきリラックス、精錬、染色、脱水乾燥、仕上げセットを行い、結果を表1に示した。
[Example 3]
The hollow polyester short fibers used in Example 1 and the rayon were mixed at a ratio of 50% by weight: 50% by weight, and 30 English counts were obtained under the same spinning conditions as in Example 1. This spun yarn was put on a 30 ″ × 28G single circular knitting machine to obtain a tenji knitted fabric. This knitted fabric was subjected to relaxation, refining, dyeing, dehydration drying and finishing set based on conventional dyeing conditions. It is shown in Table 1.
[比較例1]
実施例1にて使用した中空ポリエステル短繊維を100%用いて通常のリング精紡方式紡績工程を通して英式番手30番手の紡績糸を作製し、次いで同様にして編地を編成、染色し、得られた結果を表1に示した。リング紡績糸は弾性回復率、編地の風合い共に良好であったが、毛羽数が多く、抗ピリング性能に劣る。
[Comparative Example 1]
100% of the hollow polyester short fibers used in Example 1 were used to produce 30 yarns of English count through a normal ring spinning process, and then the knitted fabric was knitted and dyed in the same manner. The results obtained are shown in Table 1. The ring spun yarn was good in both elastic recovery rate and texture of the knitted fabric, but had a large number of fluff and inferior anti-pilling performance.
[比較例2〜3]
実施例1にて使用した中空ポリエステル短繊維と、綿もしくはレーヨンの混用率をそれぞれ50重量%:50重量%の比率で混紡し、通常のリング精紡方式紡績工程を通して英式番手30番手の紡績糸を作製し、次いで実施例1と同様にして編地を編成、染色し、得られた結果を表1に示した。リング紡績糸では風合いが良好であったが、中空潰れや毛羽が多く、抗ピリング性能も劣るものであった。
[Comparative Examples 2-3]
The hollow polyester short fibers used in Example 1 were mixed with cotton or rayon at a ratio of 50% by weight to 50% by weight, respectively, and spinning was performed with the English count of 30 through the normal ring spinning process. A yarn was prepared, and then the knitted fabric was knitted and dyed in the same manner as in Example 1, and the results obtained are shown in Table 1. The ring spun yarn had a good texture, but had many hollow crushes and fluff, and the anti-pilling performance was poor.
[比較例4]
繊度1.7dtex×38mmの中実ポリエステル(ポリエチレンテレフタレート)短繊維と綿との混用率を50重量%:50重量%の比率で混紡し、比較例1と同様の工程を通して英式番手30番手の紡績糸を作製し、次いで同様にして天竺編地を編成、染色し、得られた編地の結果を表1に示した。
[Comparative Example 4]
The blend ratio of solid polyester (polyethylene terephthalate) short fiber and cotton with a fineness of 1.7 dtex × 38 mm was blended at a ratio of 50% by weight to 50% by weight, and the English count was 30 through the same process as in Comparative Example 1. A spun yarn was prepared, and then a knitted fabric was knitted and dyed in the same manner, and the results of the obtained knitted fabric are shown in Table 1.
本発明によれば、中空ポリエステル繊維を含む紡績糸であって、軽量性、嵩高性、保温性を有し、高い抗ピリング性をも兼ね備えた紡績糸、およびかかる紡績糸を用いてなる織編物が得られ、その工業的価値は極めて大である。   According to the present invention, a spun yarn comprising hollow polyester fibers, which has lightness, bulkiness and heat retention, and also has high anti-pilling properties, and a woven / knitted fabric using such a spun yarn And its industrial value is extremely large.

Claims (7)

  1. 単糸繊度が0.5〜6.0dtex、かつ繊維横断面中空率が50%以上の中空ポリエステル繊維を含む紡績糸であって、糸長1cmあたりの紡績糸表面に現れる毛羽の毛羽長さ合計が5.0cm以下であることを特徴とする紡績糸。   A spun yarn containing hollow polyester fibers having a single yarn fineness of 0.5 to 6.0 dtex and a fiber cross-sectional hollowness of 50% or more, and the total fluff length of the fluff appearing on the spun yarn surface per 1 cm of yarn length A spun yarn having a diameter of 5.0 cm or less.
  2. 前記の中空ポリエステル繊維が、紡績糸全体重量に対して30重量%以上含まれる、請求項1に記載の紡績糸。   The spun yarn according to claim 1, wherein the hollow polyester fiber is contained in an amount of 30% by weight or more based on the total weight of the spun yarn.
  3. 紡績糸の番手が、英式番手で10〜60番手の範囲内である、請求項1または請求項2に記載の紡績糸。   The spun yarn according to claim 1 or 2, wherein the spun yarn has a count of 10 to 60 in English.
  4. 紡績糸が下記式を満足する、請求項1〜3のいずれかに記載の紡績糸。
    H≦4.8−(0.02N)
    ただし、Hは前記の毛羽長さの合計(cm)、Nは紡績糸の英式綿番手を表す。
    The spun yarn according to any one of claims 1 to 3, wherein the spun yarn satisfies the following formula.
    H ≦ 4.8− (0.02N)
    However, H represents the total length (cm) of the fluff length, and N represents the English cotton count of the spun yarn.
  5. 紡績糸が旋回気流式空気精紡機を用いて得られたものである、請求項1〜4のいずれかに記載の紡績糸。   The spun yarn according to any one of claims 1 to 4, wherein the spun yarn is obtained using a swirl airflow type air spinning machine.
  6. 請求項1〜5のいずれかに記載の紡績糸を30重量%以上含む織編物。   A woven or knitted fabric containing 30% by weight or more of the spun yarn according to any one of claims 1 to 5.
  7. JIS L 1076 A法に定められているICI法による抗ピリング等級が2.5級以上である、請求項6に記載の織編物。   The knitted or knitted fabric according to claim 6, wherein the anti-pilling grade according to the ICI method defined in the JIS L 1076 A method is 2.5 or higher.
JP2005260608A 2005-09-08 2005-09-08 Spun yarn and woven or knitted fabric Pending JP2007070768A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011014981A1 (en) * 2009-08-03 2011-02-10 Jiang Lu Blended yarn of hollow fiber and regenerated cellulose fiber and fabric using the said yarn
KR101049186B1 (en) 2007-11-23 2011-07-14 코오롱패션머티리얼 (주) Polyester Spinning Yarn and Manufacturing Method Thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10292222A (en) * 1997-02-20 1998-11-04 Teijin Ltd Highly hollow polyester fiber, and knitted fabric, pile textile product and nonwoven fabric structure each using the polyester fiber
JP2005220478A (en) * 2004-02-06 2005-08-18 Toyobo Co Ltd Air-entangling spun yarn and fabric containing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10292222A (en) * 1997-02-20 1998-11-04 Teijin Ltd Highly hollow polyester fiber, and knitted fabric, pile textile product and nonwoven fabric structure each using the polyester fiber
JP2005220478A (en) * 2004-02-06 2005-08-18 Toyobo Co Ltd Air-entangling spun yarn and fabric containing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101049186B1 (en) 2007-11-23 2011-07-14 코오롱패션머티리얼 (주) Polyester Spinning Yarn and Manufacturing Method Thereof
WO2011014981A1 (en) * 2009-08-03 2011-02-10 Jiang Lu Blended yarn of hollow fiber and regenerated cellulose fiber and fabric using the said yarn

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