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JP5319364B2 - Spun yarn and knitted fabric using the same - Google Patents
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JP5319364B2 - Spun yarn and knitted fabric using the same - Google Patents

Spun yarn and knitted fabric using the same Download PDF

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JP5319364B2
JP5319364B2 JP2009085093A JP2009085093A JP5319364B2 JP 5319364 B2 JP5319364 B2 JP 5319364B2 JP 2009085093 A JP2009085093 A JP 2009085093A JP 2009085093 A JP2009085093 A JP 2009085093A JP 5319364 B2 JP5319364 B2 JP 5319364B2
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spun yarn
alcohol
yarn
texture
spun
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JP2010236127A (en
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友孝 吉森
秀人 団
慎吾 中橋
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Mitsubishi Chemical Corp
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Mitsubishi Chemical Corp
Mitsubishi Rayon Co Ltd
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Description

本発明は、風合いがソフトで腰があり、光沢性に優れたアクリル系ステープルファイバーからなる紡績糸及びその製造方法に関する。 The present invention relates to a spun yarn made of an acrylic staple fiber having a soft texture, softness and excellent gloss, and a method for producing the spun yarn.

近年、よりソフトな風合いの衣料製品が要求されており、細繊度のアクリル系繊維を主原料とした製品開発が進みつつある。例えばインナー用途では、繊度が1dtex以下のアクリル系繊維を主原料とした紡績糸を用いた肌着がある。
その一方で、風合いを改善するために、従来から種々の方法で製造した紡績糸が提案されている。
例えば、高沸水収縮率のアクリル系ステープルファイバーを高混率に含む糸に、強撚を施した涼感を有する紡績糸がある(特許文献1)。しかしながら、高沸水収縮率のステープルファイバーを使用することで、撚りが集積し涼感は向上するが、風合いが硬くなり柔軟性が損なわれるといった問題があった。
また、熱収縮率の異なる2種類の繊維から構成した芯鞘構造を有するバルキー紡績糸がある(特許文献2)。しかしながら、バルキー紡績糸の風合いは柔らかくなるが、嵩高になることで生地の厚みが増して重くなり着用感を損なうといった問題があった。
特開平8−3835号公報 特開2000−27044号公報
In recent years, clothing products with a softer texture have been demanded, and product development using acrylic fibers with fineness as the main raw material is being advanced. For example, as an inner use, there is an underwear using spun yarn made mainly of acrylic fibers having a fineness of 1 dtex or less.
On the other hand, spun yarns manufactured by various methods have been proposed in order to improve the texture.
For example, there is a spun yarn having a cool feeling in which a yarn containing a high boiling water shrinkage acrylic staple fiber in a high mixing ratio is subjected to strong twist (Patent Document 1). However, by using staple fibers having a high boiling water shrinkage, twisting is accumulated and the cool feeling is improved, but there is a problem that the texture becomes hard and the flexibility is impaired.
There is also a bulky spun yarn having a core-sheath structure composed of two types of fibers having different heat shrinkage rates (Patent Document 2). However, although the texture of the bulky spun yarn is soft, there is a problem that the bulkiness increases and the fabric becomes thicker and heavier, which impairs the feeling of wearing.
JP-A-8-3835 JP 2000-27044 A

従来は、風合いや柔軟性、着用感を兼ね備えた、細繊度のアクリル系ステープルファイバーを主原料とした紡績糸が得られていなかった。 Conventionally, a spun yarn made from acrylic staple fibers having fineness and having a texture, flexibility, and wearing feeling has not been obtained.

本発明は、以下の通りである。
(1) 繊度が1dtex以下のアクリル系ステープルファイバーが60質量%以上含まれている紡績糸であって、
前記アクリル系ステープルファイバーに対して、含まれるオキシアルキレン基の付加数が30〜300であるアルコールアルキレンオキサイド付加物型界面活性剤が0.1〜0.4質量%付着し、
紡績糸の太さがメートル番手で1/85〜1/150、
撚り数が25〜40回/インチ、
紡績糸間の動摩擦係数が1.0〜1.4である紡績糸。(動摩擦係数の測定は、JIS L 1095に基づいて実施した。)
(2) (1)に記載の紡績糸からなる編地。
The present invention is as follows.
(1) A spun yarn containing 60% by mass or more of an acrylic staple fiber having a fineness of 1 dtex or less,
0.1 to 0.4% by mass of an alcohol alkylene oxide adduct type surfactant having an addition number of oxyalkylene groups of 30 to 300 is attached to the acrylic staple fiber,
The thickness of the spun yarn is 1/85 to 1/150 in the metric count,
Twist number is 25-40 times / inch,
A spun yarn having a coefficient of dynamic friction between spun yarns of 1.0 to 1.4. (The dynamic friction coefficient was measured based on JIS L 1095.)
(2) A knitted fabric comprising the spun yarn according to (1).

本発明は、以上のような実情を鑑み、風合いや柔軟性、着用感を兼ね備えた、細繊度のアクリル系ステープルファイバーを主原料とした紡績糸を提供することにある。 In view of the above circumstances, an object of the present invention is to provide a spun yarn using acrylic staple fibers having a fineness as a main material, which have texture, flexibility, and wearing feeling.

以下、本発明をさらに詳細に説明する。
本発明におけるアクリル系ステープルファイバーとは、アクリロニトリルとアクリロニトリルに共重合可能な不飽和単量体からなる短繊維である。ここで、アクリロニトリルに共重合可能な不飽和単量体とは、特に限定されないが、例えばアクリル酸、メタクリル酸およびこれらの誘導体、酢酸ビニル、アクリルアミド、メタクリルアミド、塩化ビニル、塩化ビニリデン、ビニルベンゼンスルホン酸ソーダ、メタクリルスルホン酸ソーダ、アクリルアミドメチルスルホン酸ソーダ、ビニルベンゼンスルホン酸ソーダ、メタクリルスルホン酸ソーダ、アクリルアミドメチルスルホン酸ソーダが挙げられる。
Hereinafter, the present invention will be described in more detail.
The acrylic staple fiber in the present invention is a short fiber made of an unsaturated monomer copolymerizable with acrylonitrile and acrylonitrile. Here, the unsaturated monomer copolymerizable with acrylonitrile is not particularly limited. For example, acrylic acid, methacrylic acid and derivatives thereof, vinyl acetate, acrylamide, methacrylamide, vinyl chloride, vinylidene chloride, vinylbenzenesulfone. Examples include acid soda, sodium methacryl sulfonate, sodium acrylamide methyl sulfonate, sodium vinylbenzene sulfonate, sodium methacryl sulfonate, and sodium acrylamide methyl sulfonate.

本発明において、繊度が1dtex以下のアクリル系ステープルファイバーが60質量%以上含まれている紡績糸において、紡績糸の太さは、1/85〜1/150好ましくは1/100〜1/140であることが重要である。繊度が1dtexを超えると風合いが硬くなることから好ましくない。アクリル系ステープルファイバーが60質量%未満の場合、アクリル系ステープルファイバーの特徴であるソフトで腰のある風合いが損なわれることから好ましくない。紡績糸の太さが、1/85未満の場合は、糸が太く、生地が厚くなり着用感が悪化する。1/150を超える場合は、紡績性が著しく低下して、好ましくない。 In the present invention, in the spun yarn containing 60% by mass or more of acrylic staple fiber having a fineness of 1 dtex or less, the thickness of the spun yarn is 1/85 to 1/150, preferably 1/100 to 1/140. It is important to be. When the fineness exceeds 1 dtex, the texture becomes hard, which is not preferable. When the acrylic staple fiber is less than 60% by mass, it is not preferable because the soft and loose texture characteristic of the acrylic staple fiber is impaired. When the thickness of the spun yarn is less than 1/85, the yarn is thick, the fabric becomes thick, and the feeling of wear deteriorates. When it exceeds 1/150, the spinnability is remarkably lowered, which is not preferable.

紡績糸の平均糸強力は80G以上であることが好ましい。80Gに満たない場合、紡績や編立、染色といった後工程で、繊維が切れやすくなり、その結果、生地表面に毛羽や毛玉が発生しやすくなるので好ましくない。
また紡績糸の撚り数が25〜40回/インチ、糸同士の動摩擦係数が1.0〜1.4であることが必要である。撚り数が25回/インチ未満の場合は、風合いはソフトになるが光沢感が優れず好ましくない。40回/インチを超える場合は、糸表面が平滑になるので光沢感は向上するが、風合いが硬くさらに繊維が損傷して糸強力が低下しやすくなるので好ましくない。糸同士の動摩擦係数が1.0未満の場合、繊維同士の摩擦も低くなっているので繊維が滑りやすく、糸強力が低下しやすくなるので好ましくない。動摩擦係数が1.4を超えると、繊維同士の摩擦が高くなっているので、紡績の粗紡工程や精紡工程で糸を延伸するときに、繊維同士が滑らずに、繊維自体が延伸されやすい。その結果、乾熱収縮や沸水収縮といった後工程で熱を付与したときの収縮が大きくなり、その結果風合いが硬くなるので好ましくない。
The average yarn strength of the spun yarn is preferably 80 G or more. If it is less than 80G, the fiber is likely to be cut in a subsequent process such as spinning, knitting, and dyeing, and as a result, fluff and fluff are likely to occur on the surface of the fabric, which is not preferable.
Further, it is necessary that the number of twists of the spun yarn is 25 to 40 times / inch and the dynamic friction coefficient between the yarns is 1.0 to 1.4. When the number of twists is less than 25 times / inch, the texture becomes soft, but the glossiness is not excellent, which is not preferable. When it exceeds 40 times / inch, the surface of the yarn becomes smooth and the glossiness is improved, but the texture is hard and the fiber is damaged, and the yarn strength is liable to decrease. When the dynamic friction coefficient between yarns is less than 1.0, the friction between the fibers is also low, so the fibers are slippery and the yarn strength is liable to decrease, which is not preferable. If the dynamic friction coefficient exceeds 1.4, the friction between the fibers becomes high, so that when the yarn is stretched in the spinning or spinning process of spinning, the fibers themselves are easily stretched without slipping between the fibers. . As a result, shrinkage when heat is applied in a subsequent process such as dry heat shrinkage or boiling water shrinkage is increased, and as a result, the texture becomes hard, which is not preferable.

糸同士の動摩擦係数を1.0〜1.4にするには、平滑性能と制電性能を含んだアルコールアルキレンオキサイド付加物型界面活性剤を、アクリル系ステープルファイバーに対して0.1〜0.4質量%で付着させることが重要である。ここでアルコールアルキレンオキサイド付加物型界面活性剤をアクリル繊維に対して付着させるには、油剤を入れた浴槽に糸を浸漬する方法や、糸に対して油剤を吹き付ける方法などがあるが特に限定するものではない。 In order to make the dynamic friction coefficient between yarns 1.0 to 1.4, an alcohol alkylene oxide adduct type surfactant having smoothness and antistatic performance is added to an acrylic staple fiber in an amount of 0.1 to 0. It is important to deposit at 4% by weight. In order to attach the alcohol alkylene oxide adduct type surfactant to the acrylic fiber, there are a method of immersing the yarn in a bath containing the oil agent, a method of spraying the oil agent on the yarn, and the like. It is not a thing.

アルコールアルキレンオキサイド付加物型界面活性剤の一般式としては、
・O(AO)OCR2 ・・・・・(1)
3・O(AO)OH ・・・・・(2)
4・O(AO)O・R5 ・・・・・(3)
が挙げられる。
式中、R、R3、R4は、炭素数2〜20のアルコール残基であり、R2は炭素数2〜18の脂肪族モノカルボン酸残基であり、R5は、炭素数2〜16のアルコール残基である。Aは炭素数2〜4のアルキレン基、nは30〜300である。
、R3、R4のアルコール類残基構成するアルコールとしては炭素数2〜20の直鎖または分岐を有する飽和または不飽和アルコール(オクチルアルコール、2−エチルヘキシルアルコール、デシルアルコール、ラクリルアルコール、トリデシルアルコール、セチルアルコール、ステアリルアルコール、イソステアリルアルコール、オレイルアルコール)が挙げられる。これらのうち好ましいのは炭素数が2〜20の直鎖でかつ飽和のアルコールである。
2のカルボン酸類残基を構成するカルボン酸としては炭素数2〜18の飽和または不飽和脂肪族モノカルボン酸(カブリル酸、2−エチルヘキサン酸、ラウリン酸、ミリスチン酸、ステアリン酸、イソステアリン酸、エルシン酸、ベヘニン酸、オレイン酸など)が使用できる。
5のアルコール類残基構成するアルコールとしては炭素数2〜16の直鎖または分岐を有する飽和または不飽和アルコール(オクチルアルコール、2−エチルヘキシルアルコール、デシルアルコール、ラクリルアルコール、トリデシルアルコール、セチルアルコール、ステアリルアルコール、イソステアリルアルコール、オレイルアルコールなど)が挙げられる。これらのうち好ましいのは炭素数が2〜16の直鎖でかつ飽和のアルコールである。
n個のAO(オキシアルキレン基)は同一でも異なっていてもよく、異なっている場合、その付加形式はブロック、ランダムいずれでもよい。
nは30〜300であることが必要である。nが30未満の場合は制電性が不十分であり、糸同士の動摩擦係数が大きくなり、紡績工程を通過するときに問題を生じやすい。またnが300を超える場合は、界面活性剤が高粘度になることから、紡糸工程や紡績工程でローラー延伸するときに糸が巻付きやすくなることから好ましくない。
また本発明に付着させる油剤として、アルコールアルキレンオキサイド付加物型界面活性剤がアクリル繊維に対して0.1〜0.4質量%付着させることが重要であるが、本発明の主旨から逸脱しないかぎり任意の成分を混合して使用することが可能である。任意の成分としては潤滑剤(例えば鉱物油、シリコーン油など)、乳化剤(例えばアミド系活性剤、フェノール付加物)が挙げられ、これらの種類について特に限定はない。
As a general formula of an alcohol alkylene oxide adduct type surfactant,
R 1 • O (AO) n OCR 2 (1)
R 3 · O (AO) n OH (2)
R 4 · O (AO) n O · R 5 (3)
Is mentioned.
In the formula, R 1 , R 3 and R 4 are alcohol residues having 2 to 20 carbon atoms, R 2 is an aliphatic monocarboxylic acid residue having 2 to 18 carbon atoms, and R 5 is a carbon number. 2 to 16 alcohol residues. A is an alkylene group having 2 to 4 carbon atoms, and n is 30 to 300.
R 1 , R 3 , R 4 alcohol residues The alcohol constituting the residue is a saturated or unsaturated alcohol having a straight chain or branched chain having 2 to 20 carbon atoms (octyl alcohol, 2-ethylhexyl alcohol, decyl alcohol, lactyl alcohol) , Tridecyl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol). Among these, a linear and saturated alcohol having 2 to 20 carbon atoms is preferable.
The carboxylic acid constituting the carboxylic acid residue of R 2 includes a saturated or unsaturated aliphatic monocarboxylic acid having 2 to 18 carbon atoms (cabrylic acid, 2-ethylhexanoic acid, lauric acid, myristic acid, stearic acid, isostearic acid , Erucic acid, behenic acid, oleic acid, etc.).
The alcohol constituting the alcohol residue of R 5 is a saturated or unsaturated alcohol having a straight or branched chain having 2 to 16 carbon atoms (octyl alcohol, 2-ethylhexyl alcohol, decyl alcohol, lactyl alcohol, tridecyl alcohol, cetyl Alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, etc.). Of these, linear and saturated alcohols having 2 to 16 carbon atoms are preferred.
The n AOs (oxyalkylene groups) may be the same or different, and when they are different, the addition form may be either block or random.
n needs to be 30-300. When n is less than 30, the antistatic property is insufficient, the dynamic friction coefficient between the yarns becomes large, and problems are likely to occur when passing through the spinning process. On the other hand, when n exceeds 300, the surfactant has a high viscosity, which is not preferable because the yarn is easily wound when the roller is stretched in the spinning process or the spinning process.
Further, as an oil agent to be adhered to the present invention, it is important that the alcohol alkylene oxide adduct type surfactant is adhered to 0.1 to 0.4% by mass with respect to the acrylic fiber, but unless deviated from the gist of the present invention. It is possible to use a mixture of arbitrary components. Optional components include a lubricant (for example, mineral oil, silicone oil, etc.), an emulsifier (for example, an amide type activator, a phenol adduct), and these types are not particularly limited.

以下、本発明を実施例により具体的に説明する。なお、各特性値の測定は、以下の方法に従った。
(糸同士の動的摩擦係数)
JIS L 1095 9.11摩擦係数 に記載されている方法に基づいて実施した。摩擦係数試験機(エイコー測器社製、製品名:TWP−3)を使用して紡績糸の動的摩擦係数を測定した。

(紡績通過性)
糸欠点検知機(IPI)で測定されたネップ数から判断した。
○ : ネップ数が50ケ/1000m未満 × : ネップ数が50ケ/1000m以上
(風合い)
紡績糸を、スムース編、22ゲージで編み立て、カチオン染料の10%owfを用いて100℃60分で染色した生地を、10名の判定員により繊維表面を手で触ったときの感触からソフトで良好かガサガサで不良かを判断した。
○ : 判定員全員が良好と判断
× : 判定員の内1名以上が不良と判断
(光沢性)
紡績糸を、スムース編、22ゲージで編み立て、カチオン染料の10%omfを用いて100℃60分で染色した生地を、10名の判定員により繊維表面を観察したときに光沢性が良好か不良かを目視で判断した。
○ : 判定員全員が良好と判断
× : 判定員の内1名以上が不良と判断
(総合評価)
紡績通過性、風合い、光沢性の評価結果で○が付いた数を足し合せた。
Hereinafter, the present invention will be specifically described by way of examples. Each characteristic value was measured according to the following method.
(Dynamic friction coefficient between yarns)
It implemented based on the method described in JISL10959.11 friction coefficient. The dynamic friction coefficient of the spun yarn was measured using a friction coefficient tester (manufactured by Eiko Sokki Co., Ltd., product name: TWP-3).

(Spinning passability)
Judgment was made from the number of neps measured with a yarn defect detector (IPI).
○: The number of neps is less than 50 pieces / 1000 m ×: The number of neps is 50 pieces / 1000 m or more (texture)
Softly knitted spun yarn, knitted with 22 gauge, dyed with 10% owf of cationic dye at 100 ° C for 60 minutes from the touch when the fiber surface is touched by 10 judges. It was judged whether it was good or rough.
○: All judges judged good
×: One or more judges are judged to be defective (glossiness)
Whether the spun yarn is knitted with a smooth knitting, 22 gauge, and dyed at 100 ° C. for 60 minutes using 10% omf of a cationic dye. Is the gloss good when the fiber surface is observed by 10 judges? It was judged visually whether it was defective.
○: All judges judged good
×: One or more judges are judged to be defective (overall evaluation)
The evaluation results of spinning passability, texture, and glossiness were added together.

(実施例1〜3、比較例1〜6)
表1に示したアクリル系ステープルファイバーは、ポリアクリルニトリルを主成分とするポリマーをジメチルアセトアミドに溶解して紡糸原液を調整し、この原液を湿式紡糸法にて紡糸することで得られた繊維を、油剤付与、乾燥、捲縮付与し、引き続き、300kPa蒸気中での緩和した後、室温に放置冷却してからクリンプしてカットしたものである。アクリル系ステープルファイバーを、0.9dtexのレーヨン原綿と所定の割合で混綿して紡績加工し、あわせて紡績通過性を評価した。
紡績糸を、スムース編、22ゲージで編み立て、カチオン染料の10%owfを用いて100℃、60分で染色した生地用いて、風合いと光沢性を評価した。
(Examples 1-3, Comparative Examples 1-6)
The acrylic staple fibers shown in Table 1 are prepared by dissolving a polymer mainly composed of polyacrylonitrile in dimethylacetamide to prepare a spinning stock solution, and spinning the stock solution by a wet spinning method. Then, oiling, drying and crimping were performed, followed by relaxation in 300 kPa steam, cooling after standing at room temperature, and cutting. Acrylic staple fibers were mixed with 0.9 dtex rayon raw cotton at a predetermined ratio and spun, and the spinning passability was evaluated.
The texture and gloss of the spun yarn were evaluated using a fabric knitted with a smooth knitting, 22 gauge, and dyed with 10% owf of a cationic dye at 100 ° C. for 60 minutes.

Figure 0005319364
Figure 0005319364

Claims (2)

繊度が1dtex以下のアクリル系ステープルファイバーが60質量%以上含まれている紡績糸であって、
前記アクリル系ステープルファイバーに対して、含まれるオキシアルキレン基の付加数が30〜300であるアルコールアルキレンオキサイド付加物型界面活性剤が0.1〜0.4質量%付着し、
紡績糸の太さがメートル番手で1/85〜1/150、
撚り数が25〜40回/インチ、
紡績糸間の動摩擦係数が1.0〜1.4である紡績糸。
(動摩擦係数の測定は、JIS L 1095に基づいて実施した。)
A spun yarn containing 60% by mass or more of an acrylic staple fiber having a fineness of 1 dtex or less,
0.1 to 0.4% by mass of an alcohol alkylene oxide adduct type surfactant having an addition number of oxyalkylene groups of 30 to 300 is attached to the acrylic staple fiber,
The thickness of the spun yarn is 1/85 to 1/150 in the metric count,
Twist number is 25-40 times / inch,
A spun yarn having a coefficient of dynamic friction between spun yarns of 1.0 to 1.4.
(The dynamic friction coefficient was measured based on JIS L 1095.)
請求項1に記載の紡績糸からなる編地。A knitted fabric comprising the spun yarn according to claim 1.
JP2009085093A 2009-03-31 2009-03-31 Spun yarn and knitted fabric using the same Expired - Fee Related JP5319364B2 (en)

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