JP3644517B2 - Acrylic blended yarn manufacturing method - Google Patents

Acrylic blended yarn manufacturing method Download PDF

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Publication number
JP3644517B2
JP3644517B2 JP25884696A JP25884696A JP3644517B2 JP 3644517 B2 JP3644517 B2 JP 3644517B2 JP 25884696 A JP25884696 A JP 25884696A JP 25884696 A JP25884696 A JP 25884696A JP 3644517 B2 JP3644517 B2 JP 3644517B2
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Prior art keywords
acrylic
fiber
section
polynosic
blended yarn
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JP25884696A
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JPH10102338A (en
Inventor
恭亮 守谷
郁春 西田
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Toyobo Co Ltd
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Toyobo Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、ブラウス、アンダーウェアなど婦人用衣料に用いられるアクリル混紡糸の製造法に関する。
【0002】
【従来の技術】
ブラウス、アンダーウェアなど婦人衣料にはアクリル紡績糸が多用されている。アクリル繊維は他の合成繊維に比して耐光性が非常に優れているためと、若干の吸湿性に優れているためである。
しかし、アクリル繊維100%の場合には、吸湿性があるとはいいながら充分吸湿性があるとはいえず、肌にべとつく場合がある。
そこで、アクリル繊維と他の繊維例えば、綿と混紡して用いた例が特公昭61−451に紹介されている。この糸は、綿として0.85〜0.95デニールの細い原綿を利用するものである。
ところが、綿はたしかに吸湿性が大きいものの、肌着として用いた場合には、水分を吸った状態では身体に冷感を及ぼし、着用している間サラットした感じに乏しいものである。
【0003】
【発明が解決しようとする課題】
本発明は、ブラウス、アンダーウェアなどの婦人衣料に用いた場合に、吸湿性、サラットしたドライ感、耐光性に優れ、張り腰のある着心地の良い衣料材料であるアクリル混紡糸の製造法を提供することを課題とする。
【0004】
【課題を解決するための手段】
本発明は、前記課題を解決するために、次の手段をとる。すなわち、本発明は、ポリノジック繊維のステープルとアクリル繊維のステープルとが30/70〜70/30の重量割合で混紡し、前記ポリノジック繊維の繊度を0.7〜3デニールの範囲におさめ、平均繊維長を28〜72mmの範囲にし、さらに該アクリル繊維のステープルを、繊度、平均繊維長とも前記ポリノジック繊維のステープルと同一範囲にすることを特徴とするアクリル混紡糸の製造法である。
【0005】
【発明の実施の形態】
以下に本発明を詳細に説明する。なお、ポリノジック繊維が異形度0.1〜0.95の異形横断面を有すること、また異形横断面が三角断面であることも、本発明の好ましい実施態様である。
【0006】
本発明のアクリル混紡糸においてポリノジック繊維のステープルを用いるのは吸湿性を向上するとともにサラットしたドライ感を出すためである。
前記ポリノジック繊維は、異形断面を有するのが好ましい。この異形断面は布帛に張り、腰を与え、ヌメリ感を解消し、サラットしたドライ感を強く出す上で好ましい。
【0007】
異形断面の例としては、図1〜4に示すものが示され、図1はまゆ形断面を、図2は三角断面を、図3は変形四角断面を、図4は四角断面を示す。
【0008】
異形断面の異形度は、異形断面の程度を示すもので、例えば図5に示されるように、外接円直径をT2 、内接円直径をT1 としてT1 /T2 で示される。
【0009】
異形度が0.10未満になると、張り、腰が不足しがちになりやすく、且つヌメリ感のある風合いになりやすく、他方0.95をこえると紡糸しにくくなって好ましくないので、0.10〜0.95の範囲とするのが好ましい。
さらに好ましくは0.20〜0.95、特に好ましくは0.30〜0.95、最も好ましくは0.20〜0.75である。
【0010】
前記ポリノジック繊維は、繊度として0.7〜3デニールが好ましく、1〜3デニールがさらに好ましく、1.2〜2.5デニールが特に好ましく、繊維長としては28〜72mm、さらに32〜51mmが好ましい。0.7デニール未満になると張り、腰が不足しがちで好ましくない。他方、3デニールをこえると風合いが粗硬となって好ましくない。
他方、28mm未満になると糸張力が低下して好ましくなく、他方、72mmをこえると毛羽長が長くなりすぎて好ましくない。もちろん、等長カットでも不等長カットでも良い。
【0011】
前記ポリノジック繊維のステープルと混紡されるアクリル繊維のステープルは、該ポリノジック繊維のステープルと、繊度、平均繊維長の点において同一範囲でなければならない。糸斑の減少を図り、ひいてはソフトな風合いを出すためである。
【0012】
また、アクリル繊維のステープルを混紡するのは耐光性を上げるためである。前記ポリノジック繊維のステープルとアクリル繊維のステープルとからなるアクリル混紡糸には、インチ方式で2.5〜5.5、さらに好ましくは3.0〜5.0の撚係数が施撚される。2.5未満になると毛羽立ちが多くなり、多方5.5をこえると風合いが硬くなり好ましくない。ここに、撚係数Kは、K=T・N-1/2で示される。Tは撚数(t/in)、Nは英式綿番手である。
【0013】
ここで、本発明のアクリル混紡糸の製造法について説明する。
まず、ポリノジック繊維のステープルとアクリル繊維のステープルとを30/70〜70/30の重量割合になるように混打綿工程で原綿混紡する。
次に、カード、練条、粗紡工程をへて粗糸を製造し、この粗糸を精紡機に仕掛けて所定のドラフトをかけてアクリル混紡糸を製造する。この際、ポリノジック繊維のステープルとアクリル繊維のステープルとは、繊度、平均繊維長において同一範囲とすることが、糸斑を減少する上で好ましい。
【0014】
【実施例】
以下に本発明を実施例によりさらに詳しく説明する。なお、実施例に用いた測定方法を下記に示す。
(イ) 平均重合度
JIS L 1015−1992の7.29平均重合度にしたがい、王研式粘度計を用い、窒素気流で大気を断ちながら行なう。
【0015】
(ロ) 異形度
良く引きそろえた糸状サンプルのメタルセクションを作成する。次に描画装置付きの顕微鏡で倍率600倍での描画を行なう。なお、描画はN=100とする。100ケ所の描画について、テンプレートを使用して各々の内接円直径T1 、外接円直径T2 、平均値を異形度とする。
【0016】
(ハ) 風合
10人の官能検査によりサラットしたドライ感の程度により判断した。◎印は9人以上、○印は6〜8人、△印は4〜5人、×印は3人以下がサラットしたドライ感の風合い有りと判断した。
【0017】
(ニ) 張り、腰
JIS L1096のA法(45°カンチレバー法)により剛軟性を測定した。なお、試験片2cm×15cmをたて、よこ夫々25枚採取し、各々5枚について表面を上にしてすべらせ、たて、よこの平均値であらわした。なお、試験片は手ですべらせた。
【0018】
(ホ) 吸湿性
10人の官能検査により、着用感で判断した。◎は9人以上、○は6〜8人、△印は4〜5人、×印は3人以下が吸湿性ありと判断した。
【0019】
(ヘ) 耐光性
JIS L0841(日光に対する堅牢度試験・方法)により堅牢度の良い方から5級→4級→3級→→2級→1級のランク付けをした。
【0020】
(ト) 着心地の良さ
10人の官能検査により着用感で判断した。◎は9人以上、○は6〜8人、×は3人以下が着心地が良いと判断した。
【0021】
実施例1
図6に示す紡糸口金(子孔1、2、3)を用いて図2に示す三角断面で平均重合度500の繊度が異なるポリノジック繊維(2d)を製造した。
このときの製造条件は下記のとおりである。
子孔面積総和(mm2 )は、、0.0058mm2 で、吐出量(g/min・孔)は、840g/min・孔、で、剪断速度(sec-1)は、、2.4×104sec-1であった。
なお、紡糸速度(m/min)は23m/min、子孔群の孔長(mm)は1.8mm、吐出線速度(m/min)は15.3m/min、ノズルドラフトは1.0倍、L12、L23、L31は0.01mmにし、子孔群の数は27000とした。
ついで、このポリノジック繊維を51mmにカットした。
【0022】
多方、アクリル繊維を51mmにカットし、混打綿工程に前記ポリノジック繊維と種々の混合割合で供給した。
さらに、練条、粗紡、精紡工程をへてアクリル混紡糸(英式綿番手30'S/1)を製造した。この混紡糸を経糸及び緯糸に用いて経糸密度90本/インチ、緯糸密度80本/インチの平織物を編成し、染色整理加工をして婦人ワンピース、ブラウス地を得た。
【0023】
【表1】

Figure 0003644517
【0024】
この表1の結果から次のことが確認された。NO1は再生繊維の混率が高いので、耐光性が悪くなり、且つ生地の張り、腰が不足して着心地も悪くなる。またNO5、6は、アクリル繊維の混率が高くなり吸湿性に乏しくなり着心地も悪くなる。
【0025】
【発明の効果】
本発明のアクリル混紡糸を用いた織編物は適度の吸湿性があり、また耐光性にも優れた着心地のさわやかな婦人ブラウス、アンダーウェアに好適なものである。
【図面の簡単な説明】
【図1】図1は、本発明に係る再生繊維のまゆ形断面である。
【図2】図2は、本発明に係る再生繊維の三角断面である。
【図3】図3は、本発明に係る再生繊維の変形四角断面である。
【図4】図4は、本発明に係る再生繊維の四角断面である。
【図5】異形度を説明するための説明図である。
【図6】紡糸ノズルの断面図である。
【符号の説明】
1、2、3 子孔[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for producing an acrylic blended yarn used for ladies' clothing such as blouse and underwear.
[0002]
[Prior art]
Acrylic spun yarn is frequently used in women's clothing such as blouses and underwear. This is because the acrylic fiber is extremely excellent in light resistance as compared with other synthetic fibers, and is slightly superior in moisture absorption.
However, in the case of 100% acrylic fiber, although it is hygroscopic, it cannot be said to be sufficiently hygroscopic and may stick to the skin.
Thus, an example of blending acrylic fiber with other fibers such as cotton is introduced in Japanese Patent Publication No. 61-451. This yarn uses thin raw cotton of 0.85 to 0.95 denier as cotton.
However, cotton has a high hygroscopicity, but when used as an underwear, it gives a cold feeling to the body when it absorbs moisture, and it has a poor feeling of being slatted while being worn.
[0003]
[Problems to be solved by the invention]
The present invention relates to a method for producing an acrylic blend yarn, which is a garment material that is excellent in hygroscopicity, slatted dryness, light resistance, and is comfortable to wear with a tight waist when used in women's clothing such as blouses and underwear. The issue is to provide.
[0004]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention takes the following means. That is, according to the present invention, polynosic fiber staples and acrylic fiber staples are blended at a weight ratio of 30/70 to 70/30, and the fineness of the polynosic fibers is within a range of 0.7 to 3 denier, A method for producing an acrylic blended yarn, characterized in that the length is in the range of 28 to 72 mm, and the acrylic fiber staple is in the same range as the staple of the polynosic fiber in terms of fineness and average fiber length.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
The present invention is described in detail below. In addition, it is also a preferred embodiment of the present invention that the polynosic fiber has a deformed cross section having a deformity of 0.1 to 0.95, and that the deformed cross section is a triangular cross section.
[0006]
The reason why the polynosic fiber staple is used in the acrylic blended yarn of the present invention is to improve the hygroscopicity and to provide a dry feeling of sarat.
The polynosic fiber preferably has an irregular cross section. This deformed cross section is preferable for tensioning the fabric, giving a waist, eliminating slimy feeling, and giving a strong dry feeling.
[0007]
1 to 4 are shown as examples of the irregular cross section, FIG. 1 shows a eyebrows cross section, FIG. 2 shows a triangular cross section, FIG. 3 shows a modified square cross section, and FIG. 4 shows a square cross section.
[0008]
The irregularity of the irregular cross section indicates the degree of the irregular cross section. For example, as shown in FIG. 5, the circumscribed circle diameter is T 2 , and the inscribed circle diameter is T 1 and is represented by T 1 / T 2 .
[0009]
If the degree of profile is less than 0.10, the tension and waist tend to be insufficient, and the texture tends to be slimy. On the other hand, if it exceeds 0.95, spinning becomes difficult, which is not preferable. It is preferable to be in the range of ~ 0.95.
More preferably, it is 0.20-0.95, Most preferably, it is 0.30-0.95, Most preferably, it is 0.20-0.75.
[0010]
The polynosic fiber preferably has a fineness of 0.7 to 3 denier, more preferably 1 to 3 denier, particularly preferably 1.2 to 2.5 denier, and a fiber length of 28 to 72 mm, more preferably 32 to 51 mm. . If it is less than 0.7 denier, it tends to be lacking in tension and waist. On the other hand, if it exceeds 3 deniers, the texture becomes coarse and hard.
On the other hand, if it is less than 28 mm, the yarn tension is undesirably lowered. On the other hand, if it exceeds 72 mm, the fluff length becomes too long. Of course, an equal length cut or an unequal length cut may be used.
[0011]
The acrylic fiber staple blended with the polynosic fiber staple should be in the same range as the polynosic fiber staple in terms of fineness and average fiber length. This is for the purpose of reducing yarn spots and thus creating a soft texture.
[0012]
The acrylic fiber staple is blended to improve light resistance. The acrylic blended yarn composed of the polynosic fiber staple and the acrylic fiber staple is twisted by an inch method with a twisting factor of 2.5 to 5.5, more preferably 3.0 to 5.0. If it is less than 2.5, the fluffing increases, and if it exceeds 5.5, the texture becomes hard. Here, the twist coefficient K is represented by K = T · N−1 / 2. T is the number of twists (t / in) and N is the English cotton count.
[0013]
Here, the manufacturing method of the acrylic blended yarn of this invention is demonstrated.
First, the raw cotton blend is spun in the blended cotton process so that the polynosic fiber staple and the acrylic fiber staple are in a weight ratio of 30/70 to 70/30.
Next, a card, kneading and roving process are carried out to produce a roving yarn, and this roving yarn is placed on a spinning machine and subjected to a predetermined draft to produce an acrylic blended yarn. In this case, it is preferable that the polynosic fiber staple and the acrylic fiber staple are in the same range in terms of fineness and average fiber length in order to reduce yarn unevenness.
[0014]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples. In addition, the measuring method used for the Example is shown below.
(A) Average degree of polymerization According to the 7.29 average degree of polymerization of JIS L 1015-1992, this is carried out using an Oken type viscometer while cutting off the atmosphere with a nitrogen stream.
[0015]
(B) Create a metal section of the thread sample that is arranged with good irregularity. Next, drawing is performed at a magnification of 600 times with a microscope equipped with a drawing apparatus. Note that N = 100 for drawing. With respect to the drawing at 100 places, the inscribed circle diameter T 1 , circumscribed circle diameter T 2 , and average value are set as irregularities using a template.
[0016]
(C) Judgment was made by the degree of dry feeling that was achieved by sensory inspection of 10 people. It was judged that there was a feeling of dry feeling that ◎ marks were 9 or more, ○ marks were 6 to 8 persons, Δ marks were 4 to 5 persons, and X marks were 3 persons or less.
[0017]
(D) Tension, waist Flexibility was measured by A method (45 ° cantilever method) of JIS L1096. In addition, a test piece of 2 cm × 15 cm was measured, and 25 horizontal samples were collected. Each of the 5 test samples was slid with the surface facing up, and the average value was expressed. The test piece was slid by hand.
[0018]
(E) Hygroscopicity Judgment was made based on a feeling of wearing by sensory inspection of 10 people. ◎: 9 or more, ○: 6-8, Δ: 4-5, x: 3 or less judged to be hygroscopic.
[0019]
(F) Light resistance According to JIS L0841 (fastness test and method against sunlight), the grades of grade 5 → grade 4 → grade 3 →→ grade 2 → grade 1 were ranked in order of good fastness.
[0020]
(G) Good comfort Judgment was made based on a feeling of wearing by a sensory test of 10 people. It was judged that ◎ was 9 or more, ○ was 6-8, and X was 3 or less.
[0021]
Example 1
Polynosic fibers (2d) having a different degree of fineness with an average degree of polymerization of 500 in the triangular cross section shown in FIG. 2 were produced using the spinneret (child holes 1, 2 and 3) shown in FIG.
The manufacturing conditions at this time are as follows.
The child open area sum (mm 2) is ,, 0.0058mm 2, discharge rate (g / min · hole) is, 840 g / min · hole in, the shear rate (sec -1) is ,, 2.4 × 104 sec −1 .
The spinning speed (m / min) is 23 m / min, the hole length (mm) of the core group is 1.8 mm, the discharge linear speed (m / min) is 15.3 m / min, and the nozzle draft is 1.0 times. , L 12 , L 23 , and L 31 were set to 0.01 mm, and the number of sub-hole groups was set to 27,000.
Subsequently, this polynosic fiber was cut into 51 mm.
[0022]
Mostly, acrylic fiber was cut to 51 mm, and the mixed cotton process was supplied with the polynosic fiber in various mixing ratios.
Further, acrylic blended yarn (English cotton count 30 ′S / 1) was produced through the drawing, roving and spinning processes. A plain fabric with a warp density of 90 yarns / inch and a weft density of 80 yarns / inch was knitted using this blended yarn for warp and weft yarns, and dyed and arranged to obtain a ladies one-piece and blouse.
[0023]
[Table 1]
Figure 0003644517
[0024]
From the results in Table 1, the following was confirmed. Since NO1 has a high mixing ratio of regenerated fibers, the light resistance is deteriorated, and the tension of the fabric and the waist are insufficient, and the comfort is also deteriorated. In addition, NO5 and 6 have a high mixing ratio of acrylic fibers, poor hygroscopicity, and poor comfort.
[0025]
【The invention's effect】
The knitted or knitted fabric using the acrylic blended yarn of the present invention has a suitable hygroscopic property and is suitable for a refreshing ladies blouse and underwear excellent in light resistance.
[Brief description of the drawings]
FIG. 1 is an eyebrow-shaped cross section of a regenerated fiber according to the present invention.
FIG. 2 is a triangular cross section of a regenerated fiber according to the present invention.
FIG. 3 is a modified square cross section of a regenerated fiber according to the present invention.
FIG. 4 is a square cross section of a regenerated fiber according to the present invention.
FIG. 5 is an explanatory diagram for explaining an irregularity degree.
FIG. 6 is a cross-sectional view of a spinning nozzle.
[Explanation of symbols]
1, 2, 3

Claims (3)

ポリノジック繊維のステープルとアクリル繊維のステープルとを30/70〜70/30の重量割合で混紡し、前記ポリノジック繊維の繊度を0.7〜3デニールの範囲におさめ、平均繊維長を28〜72mmの範囲にし、さらに該アクリル繊維のステープルを、繊度、平均繊維長とも前記ポリノジック繊維のステープルと同一範囲にすることを特徴とするアクリル混紡糸の製造法。Polynosic fiber staples and acrylic fiber staples are blended at a weight ratio of 30/70 to 70/30, the fineness of the polynosic fibers is within a range of 0.7 to 3 denier, and the average fiber length is 28 to 72 mm. A method for producing an acrylic blended yarn, characterized in that the acrylic fiber staple is in the same range as the polynosic fiber staple in both the fineness and the average fiber length. ポリノジック繊維が異形度0.1〜0.95の異形横断面を有することを特徴とする請求項1に記載のアクリル混紡糸の製造法。The method for producing an acrylic blended yarn according to claim 1, wherein the polynosic fiber has an irregular cross section having an irregularity degree of 0.1 to 0.95. 異形横断面が三角断面である請求項2に記載のアクリル混紡糸の製造法。The method for producing an acrylic blended yarn according to claim 2, wherein the deformed cross section is a triangular section.
JP25884696A 1996-09-30 1996-09-30 Acrylic blended yarn manufacturing method Expired - Fee Related JP3644517B2 (en)

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JP3644517B2 true JP3644517B2 (en) 2005-04-27

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