JP3201101U - Polyester spun yarn - Google Patents

Polyester spun yarn Download PDF

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JP3201101U
JP3201101U JP2015004577U JP2015004577U JP3201101U JP 3201101 U JP3201101 U JP 3201101U JP 2015004577 U JP2015004577 U JP 2015004577U JP 2015004577 U JP2015004577 U JP 2015004577U JP 3201101 U JP3201101 U JP 3201101U
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spun yarn
polyester
polyethylene terephthalate
polyester spun
short fibers
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智秀 山口
智秀 山口
譲二 谷藤
譲二 谷藤
昭二 東
昭二 東
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モリリン株式会社
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Priority to CN201620514163.6U priority patent/CN205893516U/en
Priority to CN201610378623.1A priority patent/CN106521743B/en
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    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]

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  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

【課題】ポリエステル繊維が有する濡れにくさや取り扱い性に加え、抗ピリング性、綿の審美性および綿の風合いを満足するポリエステルスパン糸を提供する。【解決手段】ポリエステルスパン糸１０は、２種以上の異なるポリエチレンテレフタレート短繊維１１からなる繊維束１２の外周面に、ポリエチレンテレフタレート短繊維１１の一部が巻き付けられた結束紡績糸であり、ポリエチレンテレフタレート短繊維１１の一部が、繊維束１２の長手方向に対して３０度以下の傾斜角度で巻き付けられている。好ましくは、２種以上の異なるポリエチレンテレフタレート短繊維１１は、比重、太さ、断面形状および捲縮率の少なくとも１つが異なる。【選択図】図１Provided is a polyester spun yarn that satisfies anti-pilling properties, cotton aesthetics and cotton texture in addition to the wettability and handling properties of polyester fibers. A polyester spun yarn 10 is a bundled spun yarn in which a part of a polyethylene terephthalate short fiber 11 is wound around an outer peripheral surface of a fiber bundle 12 composed of two or more different types of polyethylene terephthalate short fibers 11. A part of the short fiber 11 is wound at an inclination angle of 30 degrees or less with respect to the longitudinal direction of the fiber bundle 12. Preferably, two or more different types of polyethylene terephthalate short fibers 11 differ in at least one of specific gravity, thickness, cross-sectional shape, and crimp rate. [Selection] Figure 1

Description

本考案は、ポリエステルスパン糸に関する。   The present invention relates to a polyester spun yarn.

従来、Ｔシャツや肌着、カジュアルウェア、トレッキングウェア、スポーツウェアなどの衣類において、外観や風合いの観点で綿製が好まれる傾向にある。しかし、綿製品は、水や汗で濡れると重くなる、濡れた汗が気化する際に熱を奪うため汗冷えを生じるなどの問題を有している。そこで、近年、ポリエステル繊維で形成された製品が多く市販されている。ポリエステル繊維は、水や汗で濡れにくいため肌にべたつきにくく、着用していても行動がしやすい（機能性に優れている）。さらに、濡れにくいため、汗冷えも生じにくい。   Conventionally, in clothing such as T-shirts, underwear, casual wear, trekking wear, and sportswear, cotton tends to be preferred in terms of appearance and texture. However, cotton products have problems such as becoming heavy when wet with water or sweat, and causing sweat to cool when the wet sweat evaporates, taking heat away. Therefore, in recent years, many products made of polyester fibers are commercially available. Polyester fibers are not sticky to the skin because they are difficult to get wet with water and sweat, and are easy to act even when worn (excellent functionality). Furthermore, since it is difficult to get wet, sweat chill is less likely to occur.

このような優れた特性を有する一方で、ポリエステル繊維の製品は、綿製品のような審美性や風合いに乏しく、ピリング（毛玉）も発生しやすいという問題を有している。このような問題を解決するために、特許文献１には、ポリトリメチレンテレフタレートを含む紡績糸を用いた織編物が開示されており、抗ピリング性を有することが記載されている。また特許文献２〜４には、フィラメント（長繊維）を用い風合いを改善したポリエステル織編物が開示されている。しかし、特許文献１〜４に記載の織編物は、抗ピリング性、綿の審美性および綿の風合いの全てを満足するには至っていない。   While having such excellent properties, polyester fiber products have the problem of poor aesthetics and texture like cotton products, and are prone to pilling. In order to solve such a problem, Patent Document 1 discloses a knitted or knitted fabric using a spun yarn containing polytrimethylene terephthalate, and describes that it has anti-pilling properties. Patent Documents 2 to 4 disclose polyester woven or knitted fabrics having improved texture using filaments (long fibers). However, the woven and knitted fabrics described in Patent Documents 1 to 4 do not satisfy all of the anti-pilling property, the aesthetics of cotton, and the texture of cotton.

特開２００６−２９１３６３号公報JP 2006-291363 A 特開２０００−９６３８３号公報JP 2000-96383 A 特開平１１−３１５４３７号公報JP 11-315437 A 特開平１１−１２４７２７号公報JP-A-11-124727

本考案の課題は、ポリエステル繊維が有する濡れにくさや取り扱い性に加え、抗ピリング性、綿の審美性および綿の風合いを満足する織編物が得られるポリエステルスパン糸を提供することにある。   An object of the present invention is to provide a polyester spun yarn from which a woven or knitted fabric satisfying anti-pilling property, cotton aesthetics and cotton texture in addition to the wettability and handling properties of polyester fibers can be obtained.

本考案者は、上記課題を解決するべく鋭意検討を行った結果、以下の構成からなる解決手段を見出し、本考案を完成するに至った。
（１）２種以上の異なるポリエチレンテレフタレート短繊維からなる繊維束の外周面に、ポリエチレンテレフタレート短繊維の一部が巻き付けられた結束紡績糸であり、ポリエチレンテレフタレート短繊維の一部が、繊維束の長手方向に対して３０度以下の傾斜角度で巻き付けられていることを特徴とするポリエステルスパン糸。
（２）２種以上の異なるポリエチレンテレフタレート短繊維は、比重、太さ、断面形状および捲縮率の少なくとも１つが異なる上記（１）に記載のポリエステルスパン糸。
（３）ポリエチレンテレフタレート短繊維の少なくとも１種が、異形断面を有する上記（１）または（２）に記載のポリエステルスパン糸。
（４）上記（１）〜（３）のいずれかに記載のポリエステルスパン糸で形成された織編物。 As a result of intensive studies to solve the above problems, the inventor has found a solution means having the following configuration, and has completed the present invention.
(1) A bundled spun yarn in which a part of a polyethylene terephthalate short fiber is wound around an outer peripheral surface of a fiber bundle composed of two or more different types of polyethylene terephthalate short fibers. A polyester spun yarn which is wound at an inclination angle of 30 degrees or less with respect to the longitudinal direction.
(2) The polyester spun yarn according to (1), wherein two or more different polyethylene terephthalate short fibers differ in at least one of specific gravity, thickness, cross-sectional shape, and crimp rate.
(3) The polyester spun yarn according to (1) or (2), wherein at least one of the polyethylene terephthalate short fibers has an irregular cross section.
(4) A woven or knitted fabric formed of the polyester spun yarn according to any one of (1) to (3) above.

本考案によれば、ポリエステル繊維が有する濡れにくさや取り扱い性に加え、抗ピリング性、綿の審美性および綿の風合いを満足する織編物が得られるポリエステルスパン糸を提供することができる。   According to the present invention, it is possible to provide a polyester spun yarn from which a woven or knitted fabric satisfying anti-pilling property, cotton aesthetics and cotton texture in addition to the wettability and handling properties of polyester fibers can be provided.

本考案に係るポリエステルスパン糸の一実施形態を示す説明図である。It is explanatory drawing which shows one Embodiment of the polyester spun yarn which concerns on this invention. 従来の結束紡績によるポリエステルスパン糸を示す説明図である。It is explanatory drawing which shows the polyester spun yarn by the conventional binding spinning. 実施例１および比較例２で得られたポリエステルスパン糸において、結束繊維と傾斜角度との分布を示すグラフである。5 is a graph showing the distribution of binding fibers and inclination angles in the polyester spun yarns obtained in Example 1 and Comparative Example 2.

以下、本考案に係るポリエステルスパン糸について、図１を参照して詳細に説明する。図１に示すように、一実施形態に係るポリエステルスパン糸１０は、ポリエチレンテレフタレート短繊維（以下、「ＰＥＴ短繊維」と記載する場合がある）１１からなる繊維束１２の外周面に、ＰＥＴ短繊維の一部１１ａが巻き付けられた結束紡績糸である。すなわち、繊維束１２を形成しているＰＥＴ短繊維の一部（以下、「結束繊維」と記載する場合がある）１１ａが、残りのＰＥＴ短繊維１１ｂに巻き付いている。   Hereinafter, the polyester spun yarn according to the present invention will be described in detail with reference to FIG. As shown in FIG. 1, a polyester spun yarn 10 according to an embodiment includes a PET short yarn on an outer peripheral surface of a fiber bundle 12 composed of polyethylene terephthalate short fibers (hereinafter sometimes referred to as “PET short fibers”) 11. This is a bound spun yarn in which a part 11a of the fiber is wound. That is, a part of PET short fibers forming the fiber bundle 12 (hereinafter may be referred to as “bundled fibers”) 11a is wound around the remaining PET short fibers 11b.

一実施形態に係るポリエステルスパン糸１０において、ＰＥＴ短繊維１１は、２種以上の異なるＰＥＴ短繊維で構成されていることが重要である。２種以上の異なるＰＥＴ短繊維を用いると、物性や外観の異なるＰＥＴ短繊維が、例えば結束紡績時にそれぞれ異なる動き（挙動）を示して複雑に絡み合い、並行性が乱れて凹凸感が生じる。その結果、自然な表面感や綿の審美性が得られる。   In the polyester spun yarn 10 according to one embodiment, it is important that the PET short fibers 11 are composed of two or more different PET short fibers. When two or more kinds of different PET short fibers are used, PET short fibers having different physical properties and appearances show different movements (behaviors) during, for example, bundling spinning, and are entangled in a complicated manner, resulting in disorder of parallelism and unevenness. As a result, a natural surface feeling and cotton aesthetics can be obtained.

「２種以上の異なるＰＥＴ短繊維」とは、例えば物性や外観が異なるものである。物性や外観としては、例えば、比重、太さ、断面形状（円形、三角形、扁平、十字、中空など）、捲縮率、光沢性（フルダル、セミダル、ブライトなど）などが挙げられる。これらの中でも、比重、太さ、断面形状および捲縮率の少なくとも１つが異なる２種以上のＰＥＴ短繊維を用いるのが好ましく、ＰＥＴ短繊維の少なくとも１種が、異形断面を有することがより好ましい。異形断面としては、例えば十字断面などが挙げられる。   “Two or more different PET short fibers” are different in physical properties and appearance, for example. Examples of physical properties and appearance include specific gravity, thickness, cross-sectional shape (circular, triangular, flat, cross, hollow, etc.), crimp rate, gloss (fullal, semidal, bright, etc.), and the like. Among these, it is preferable to use two or more types of PET short fibers having at least one of specific gravity, thickness, cross-sectional shape and crimp rate, and it is more preferable that at least one of the PET short fibers has an irregular cross-section. . Examples of the irregular cross section include a cross section.

ＰＥＴ短繊維１１において、２種以上の異なるＰＥＴ短繊維のうち、少なくとも１種が十字断面のような異形断面を有していることが好ましい。このようなＰＥＴ短繊維１１を用いることによって、綿の審美性および綿の風合いを、より向上させることができる。   In the PET short fiber 11, it is preferable that at least one of two or more different PET short fibers has a modified cross section such as a cross section. By using such PET short fibers 11, the aesthetics of cotton and the texture of cotton can be further improved.

一実施形態に係るポリエステルスパン糸１０は、上記のように、繊維束１２を形成しているＰＥＴ短繊維の一部１１ａ（結束繊維１１ａ）が、残りのＰＥＴ短繊維１１ｂに巻き付いている。一般に、ＰＥＴ短繊維は毛羽立ちやすく、ピリング（毛玉）が発生しやすい。そこで、毛玉の発生を抑える（抗ピリング性を高める）ために、ＰＥＴ短繊維は、繊維束の外周面に、繊維束を構成しているＰＥＴ短繊維の一部を巻き付ける結束紡績に供される。しかし、このようにして得られた結束紡績糸は、抗ピリング性は向上するものの、繊維束が強く締め付けられるため、硬くなるという問題点がある。   In the polyester spun yarn 10 according to one embodiment, as described above, a part 11a (binding fibers 11a) of the PET short fibers forming the fiber bundle 12 is wound around the remaining PET short fibers 11b. In general, PET short fibers tend to fluff and pilling (pills) is likely to occur. Therefore, in order to suppress the generation of pills (to increase the anti-pilling property), the PET short fibers are subjected to binding spinning in which a part of the PET short fibers constituting the fiber bundle is wound around the outer peripheral surface of the fiber bundle. The However, the bound spun yarn obtained in this way has a problem that although the anti-pilling property is improved, the fiber bundle is strongly tightened and thus becomes hard.

したがって、一実施形態に係るポリエステルスパン糸１０において、結束繊維１１ａは、繊維束１２の長手方向に対して３０度以下の傾斜角度で、残りのＰＥＴ短繊維１１ｂに巻き付いていることが重要である。「傾斜角度」とは、図１に示すＡ−Ａ線とＢ−Ｂ線とがなす角度θのことである。３０度以下の傾斜角度で巻き付けることによって、抗ピリング性と硬さとのバランスが保たれて、抗ピリング性に加えて綿の審美性および綿の風合いも得られる。傾斜角度は、好ましくは２７度以下であり、より好ましくは２０〜２６度である。なお、傾斜角度（角度θ）は、各結束繊維１１ａについて繊維束２２の長手方向に対する角度を測定し、その平均を求めたものである。   Therefore, in the polyester spun yarn 10 according to an embodiment, it is important that the binding fibers 11a are wound around the remaining PET short fibers 11b at an inclination angle of 30 degrees or less with respect to the longitudinal direction of the fiber bundle 12. . The “inclination angle” is an angle θ formed by the AA line and the BB line shown in FIG. By winding at an inclination angle of 30 degrees or less, the balance between anti-pilling properties and hardness is maintained, and in addition to anti-pilling properties, cotton aesthetics and cotton texture are also obtained. The inclination angle is preferably 27 degrees or less, and more preferably 20 to 26 degrees. The inclination angle (angle θ) is obtained by measuring the angle of each bundled fiber 11a with respect to the longitudinal direction of the fiber bundle 22 and calculating the average.

一方、図２に示すような従来のポリエステルスパン糸２０は、繊維束２２の一部である結束繊維２１ａが、残りのＰＥＴ短繊維２１ｂを強く締め付けるように巻き付いている。すなわち、結束繊維２１ａが、繊維束２２の長手方向に対して３０度を超える傾斜角度（Ａ’−Ａ’線とＢ’−Ｂ’線とがなす角度θ’）で、残りのＰＥＴ短繊維２１ｂに巻き付いている。３０度を超える傾斜角度で巻き付けると抗ピリング性は得られるものの、強く締め付けられすぎて繊維束が硬くなり、綿の審美性および綿の風合いが得られない。   On the other hand, the conventional polyester spun yarn 20 as shown in FIG. 2 is wound so that the bundling fiber 21a, which is a part of the fiber bundle 22, tightly clamps the remaining PET short fibers 21b. That is, the remaining PET short fibers have a binding fiber 21a at an inclination angle exceeding 30 degrees with respect to the longitudinal direction of the fiber bundle 22 (angle θ ′ formed by the A′-A ′ line and the B′-B ′ line). It is wound around 21b. When it is wound at an inclination angle exceeding 30 degrees, an anti-pilling property can be obtained, but the fiber bundle becomes hard due to being tightened too much, and the aesthetics of cotton and the texture of cotton cannot be obtained.

一実施形態に係るポリエステルスパン糸１０は、２種以上の異なるＰＥＴ短繊維を結合紡績に供して得られる。その際に紡出速度を比較的速めに設定することによって、結束繊維の傾斜角度が３０度以下になりやすい。結束繊維の傾斜角度を３０度以下にするための具体的な紡出速度は、繊維束の太さや結束繊維の本数、使用する紡績機などに応じて適宜設定される。例えば、３０番手のポリエステルスパン糸を得る場合、４００ｍ／分以上の紡出速度で結合紡績を行うことによって、ほぼ結束繊維の傾斜角度を３０度以下にすることができる。   The polyester spun yarn 10 according to one embodiment is obtained by subjecting two or more different PET staple fibers to bond spinning. At that time, by setting the spinning speed to be relatively high, the inclination angle of the bundled fibers tends to be 30 degrees or less. The specific spinning speed for setting the inclination angle of the binding fibers to 30 degrees or less is appropriately set according to the thickness of the fiber bundle, the number of binding fibers, the spinning machine used, and the like. For example, when obtaining a 30th polyester spun yarn, it is possible to substantially reduce the inclination angle of the bundled fibers to 30 degrees or less by performing coupled spinning at a spinning speed of 400 m / min or more.

一実施形態に係るポリエステルスパン糸１０において、繊維束１２を構成しているＰＥＴ短繊維１１の本数、結束繊維１１ａの本数などは特に限定されない。例えば、ポリエステルスパン糸１０が一般的な糸の番手（例えば１０〜４０番手）を有するように、ＰＥＴ短繊維１１の本数や結束繊維１１ａの本数など本数を設定すればよい。   In the polyester spun yarn 10 according to one embodiment, the number of PET short fibers 11 constituting the fiber bundle 12 and the number of bundling fibers 11a are not particularly limited. For example, the number of PET short fibers 11 and the number of bundling fibers 11a may be set so that the polyester spun yarn 10 has a general yarn count (for example, 10 to 40 count).

このようにして得られた一実施形態に係るポリエステルスパン糸１０を用いて得られる織編物は、ポリエステル繊維が有する濡れにくさや取り扱い性に優れていることに加え、抗ピリング性、綿の審美性および綿の風合いを満足する。したがって、一実施形態に係るポリエステルスパン糸１０は、Ｔシャツや肌着、カジュアルウェア、トレッキングウェア、スポーツウェアなどの衣類に好適に使用される。   The woven or knitted fabric obtained using the polyester spun yarn 10 according to one embodiment thus obtained has excellent anti-pilling property and cotton aesthetics in addition to excellent wettability and handling properties of the polyester fiber. Satisfies the texture of cotton. Therefore, the polyester spun yarn 10 according to an embodiment is suitably used for clothing such as T-shirts, underwear, casual wear, trekking wear, and sports wear.

以下、実施例および比較例を挙げて本考案を具体的に説明するが、本考案はこの実施例に限定されるものではない。   EXAMPLES Hereinafter, although an Example and a comparative example are given and this invention is demonstrated concretely, this invention is not limited to this Example.

（実施例１）
下記に示す２種のＰＥＴ短繊維を混合し、ムラタ・ボルテックス・スピナー（ＭＶＳ７１０）を用いて４００ｍ／分の紡出速度で紡績した。得られたポリエステルスパン糸は結束紡績糸であり、番手は３０Ｎｅ、結束繊維が繊維束の長手方向に対して約２５度の傾斜角度で繊維束に巻き付いていた。
＜使用したポリエステル＞
十字断面ＰＥＴ短繊維（フルダル）：４０質量％
円形断面ＰＥＴ短繊維（セミダル）：６０質量％ Example 1
Two types of PET short fibers shown below were mixed and spun at a spinning speed of 400 m / min using a Murata vortex spinner (MVS710). The obtained polyester spun yarn was a bundle spun yarn, the count was 30 Ne, and the bundle fiber was wound around the fiber bundle at an inclination angle of about 25 degrees with respect to the longitudinal direction of the fiber bundle.
<Polyester used>
Cross section PET staple fiber (full dull): 40% by mass
Circular cross-section PET short fiber (semi-dull): 60% by mass

結束繊維の傾斜角度は、次のようにして求めた。まず、得られたポリステルスパン糸の側面を走査電子顕微鏡で観察して撮影した（倍率７０〜９０倍）。使用した走査電子顕微鏡は（株）日立ハイテクノロジーズ製の「Ｓ−３４００Ｎ」である。次いで、結束繊維のそれぞれについて、繊維束の長手方向に対する傾斜角度を写真から測定して、その平均値を傾斜角度とした。なお、図３のグラフは、結束繊維と傾斜角度との分布を示す。   The inclination angle of the binding fibers was determined as follows. First, the side surface of the obtained polyester spun yarn was photographed by observing with a scanning electron microscope (magnification 70 to 90 times). The scanning electron microscope used is “S-3400N” manufactured by Hitachi High-Technologies Corporation. Next, for each of the bound fibers, the inclination angle with respect to the longitudinal direction of the fiber bundle was measured from the photograph, and the average value thereof was taken as the inclination angle. In addition, the graph of FIG. 3 shows distribution of a binding fiber and an inclination angle.

得られたポリエステルスパン糸を用いて、下記の条件でニット生地を作製した。
＜条件＞
丸編み：平編み（天竺）、２４ゲージ
リラックス工程：１００℃
染色：ＦＯＮＧＳ社製の「ｍｉｎｉＴＥＣ３−Ｔ」を用い、１３０℃で３０分間染色（染料：分散染料Kayalon Polyester T.Blue GL-Sを、１．０％ｏｗｆで使用） Using the obtained polyester spun yarn, a knitted fabric was produced under the following conditions.
<Conditions>
Circular knitting: Flat knitting (Tempo), 24 gauge Relaxation process: 100 ° C
Dyeing: Dyeing using “miniTEC3-T” manufactured by FONGS at 130 ° C. for 30 minutes (dye: disperse dye Kaylon Polyester T.Blue GL-S is used at 1.0% owf)

得られたニット生地について、（１）ピリング試験、（２）審美性の官能試験、および（３）風合いの官能試験を行った。
（１）ピリング試験
「ＪＩＳ Ｌ １０７６ 織物及び編物のピリング試験方法」に準拠して、ピリング試験を行った。３級以上を「○」、３級未満を「×」と評価した。結果を表１に示す。 The obtained knit fabric was subjected to (1) a pilling test, (2) an aesthetic sensory test, and (3) a texture sensory test.
(1) Pilling test A pilling test was performed in accordance with "JIS L 1076 Fabric and knitting pilling test method". Grades 3 and above were evaluated as “◯” and grades 3 and below were evaluated as “x”. The results are shown in Table 1.

（２）審美性の官能試験
得られたニット生地を、５名のパネラーに目視で観察してもらい、綿のような審美性を有しているか否か判断してもらった。「審美性あり」と判断したパネラーが３名以上の場合を「○」、３名未満の場合を「×」と評価した。結果を表１に示す。 (2) Sensory test of aesthetics The obtained knit fabric was visually observed by five panelists to determine whether or not it had aesthetics like cotton. The case where there were 3 or more panelists judged to be “aesthetic” was evaluated as “◯”, and the case where there were less than 3 panelists was evaluated as “X”. The results are shown in Table 1.

（３）風合いの官能試験
得られたニット生地を、５名のパネラーに触ってもらい、綿のような風合いを有しているか否か判断してもらった。「風合いあり」と判断したパネラーが３名以上の場合を「○」、３名未満の場合を「×」と評価した。結果を表１に示す。 (3) Sensory test of texture The obtained knitted fabric was touched by five panelists and asked if it had a cotton-like texture. The case where there were 3 or more panelists judged to be “feel” was evaluated as “◯”, and the case where there were less than 3 panelists was evaluated as “X”. The results are shown in Table 1.

（比較例１）
実施例１で用いた２種のポリエステル短繊維を、リング紡績機で撚って撚糸を得た。番手は３０Ｎｅ、撚り係数（Ｋ）は３．８であった。得られた撚糸を用いて、実施例１と同様の条件でニット生地を作製し、（１）ピリング試験、（２）審美性の官能試験、および（３）風合いの官能試験を行った。結果を表１に示す。 (Comparative Example 1)
Two types of polyester short fibers used in Example 1 were twisted with a ring spinning machine to obtain a twisted yarn. The count was 30 Ne, and the twist coefficient (K) was 3.8. Using the obtained twisted yarn, a knit fabric was prepared under the same conditions as in Example 1, and (1) a pilling test, (2) an aesthetic sensory test, and (3) a texture sensory test were performed. The results are shown in Table 1.

（比較例２）
紡出速度を３５０ｍ／分で紡績した以外は、実施例１と同様の手順でポリエステルスパン糸を得た。得られたポリエステルスパン糸は結束紡績糸であり、番手は３０Ｎｅ、結束繊維が繊維束の長手方向に対して約３４．５度の傾斜角度で繊維束に巻き付いていた。得られたポリエステルスパン糸を用いて、実施例１と同様の条件でニット生地を作製し、（１）ピリング試験、（２）審美性の官能試験、および（３）風合いの官能試験を行った。結果を表１に示す。 (Comparative Example 2)
A polyester spun yarn was obtained by the same procedure as in Example 1 except that spinning was performed at a spinning speed of 350 m / min. The obtained polyester spun yarn was a bundle spun yarn, the count was 30 Ne, and the bundle fiber was wound around the fiber bundle at an inclination angle of about 34.5 degrees with respect to the longitudinal direction of the fiber bundle. Using the obtained polyester spun yarn, a knit fabric was produced under the same conditions as in Example 1, and (1) a pilling test, (2) an aesthetic sensory test, and (3) a texture sensory test were performed. . The results are shown in Table 1.

Figure 0003201101
Figure 0003201101

表１に示すように、本考案に係るポリエステルスパン糸（実施例１）を用いて得られたニット生地は、抗ピリング性を有しており、綿のような審美性および風合いのいずれも有していることがわかる。一方、比較例１および２の糸を用いて得られたニット生地は、抗ピリング性、綿のような審美性および風合いの少なくとも１つを満足していないことがわかる。   As shown in Table 1, the knit fabric obtained using the polyester spun yarn according to the present invention (Example 1) has anti-pilling properties, and has both aesthetics and texture like cotton. You can see that On the other hand, it can be seen that the knitted fabric obtained using the yarns of Comparative Examples 1 and 2 does not satisfy at least one of anti-pilling property, aesthetics such as cotton, and texture.

１０、２０ ポリエステルスパン糸
１１、２１ ポリエチレンテレフタレート（ＰＥＴ）短繊維
１２、２２ 繊維束 10, 20 Polyester spun yarn 11, 21 Polyethylene terephthalate (PET) short fiber 12, 22 Fiber bundle

Claims (4)

２種以上の異なるポリエチレンテレフタレート短繊維からなる繊維束の外周面に、前記ポリエチレンテレフタレート短繊維の一部が巻き付けられた結束紡績糸であり、前記ポリエチレンテレフタレート短繊維の一部が、前記繊維束の長手方向に対して３０度以下の傾斜角度で巻き付けられていることを特徴とするポリエステルスパン糸。   A bundled spun yarn in which a part of the polyethylene terephthalate short fiber is wound around an outer peripheral surface of a fiber bundle composed of two or more different polyethylene terephthalate short fibers, and a part of the polyethylene terephthalate short fiber is a part of the fiber bundle. A polyester spun yarn which is wound at an inclination angle of 30 degrees or less with respect to the longitudinal direction. 前記２種以上の異なるポリエチレンテレフタレート短繊維は、比重、太さ、断面形状および捲縮率の少なくとも１つが異なる請求項１に記載のポリエステルスパン糸。   The polyester spun yarn according to claim 1, wherein the two or more different polyethylene terephthalate short fibers differ in at least one of specific gravity, thickness, cross-sectional shape, and crimp rate. 前記ポリエチレンテレフタレート短繊維の少なくとも１種が、異形断面を有する請求項１または２に記載のポリエステルスパン糸。   The polyester spun yarn according to claim 1 or 2, wherein at least one of the polyethylene terephthalate short fibers has an irregular cross section. 請求項１〜３のいずれかに記載のポリエステルスパン糸で形成された織編物。   A woven or knitted fabric formed of the polyester spun yarn according to any one of claims 1 to 3.
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