JP2609009B2 - Method for producing polyester ultrafine fiber - Google Patents

Method for producing polyester ultrafine fiber

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Publication number
JP2609009B2
JP2609009B2 JP12441891A JP12441891A JP2609009B2 JP 2609009 B2 JP2609009 B2 JP 2609009B2 JP 12441891 A JP12441891 A JP 12441891A JP 12441891 A JP12441891 A JP 12441891A JP 2609009 B2 JP2609009 B2 JP 2609009B2
Authority
JP
Japan
Prior art keywords
roller
nozzle
yarn
spinning
polyester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP12441891A
Other languages
Japanese (ja)
Other versions
JPH04333615A (en
Inventor
英晴 佐々木
勝敏 谷口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
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Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP12441891A priority Critical patent/JP2609009B2/en
Publication of JPH04333615A publication Critical patent/JPH04333615A/en
Application granted granted Critical
Publication of JP2609009B2 publication Critical patent/JP2609009B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は改良されたポリエステル
極細繊維の製造方法、更に詳しくは特殊な交絡処理を施
した、毛羽の少ない、後加工通過性に優れたポリエステ
ル極細繊維の製造方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing an improved polyester ultrafine fiber, and more particularly to a method for producing a polyester ultrafine fiber which has been subjected to a special entanglement treatment, has less fluff, and has excellent post-processability.

【0002】[0002]

【従来の技術】極細繊維の製造方法としては溶解法、分
割法及び直接紡糸法があるが、直接紡糸法は単糸0.5
デニ−ル以下の糸を工業的に安価に製造する方法として
優れており、なかでもフイラメントに関しては直接紡糸
延伸法が有効であり、極細の特徴を生かした起毛布帛や
高級織編物素材として需要が急増しており、生産性が高
く後加工通過性の優れた極細繊維に対する要求が強い。
2. Description of the Related Art As a method for producing ultrafine fibers, there are a dissolving method, a splitting method and a direct spinning method.
It is excellent as an industrially inexpensive method for producing yarns of denier or less. Among them, the direct spinning and drawing method is effective for filament, and there is a demand for a brushed fabric or a high-grade woven or knitted fabric material utilizing the extra fine characteristics. There is a sharp increase, and there is a strong demand for ultra-fine fibers having high productivity and excellent post-processability.

【0003】極細繊維の直接紡糸法としては、特定ドラ
フト下で3000〜5000m/分の高速で紡糸する方
法が特公昭58−37408号公報、特開昭61−18
6515号公報等に記載されているが、いかに極細にす
るかという記載で、後加工通過性に関する記載はない。
As a direct spinning method of ultrafine fibers, a method of spinning at a high speed of 3000 to 5000 m / min under a specific draft is disclosed in JP-B-58-37408 and JP-A-61-18.
Although it is described in, for example, JP-A No. 6515, there is no description on post-processing passability as it describes how to make it ultrafine.

【0004】一方、従来から紡糸工程にインタ−レ−ス
ノズルを用い糸条交絡を付与せしめた後に巻取る溶融紡
糸方法が提案されており、例えば特開昭61−1109
17号公報では複数個のインタ−レ−スノズルで交絡処
理し、5000m/分以上の紡糸速度で巻取る方法が記
載されているが、単糸が0.5de以下のポリエステル
極細糸に関する記載はない。
On the other hand, there has been proposed a melt spinning method in which a yarn is entangled with an interlaced nozzle in a spinning step and then wound up.
No. 17 describes a method of entanglement treatment with a plurality of interlace nozzles and winding at a spinning speed of 5,000 m / min or more, but there is no description about a polyester ultrafine yarn having a single yarn of 0.5 de or less. .

【0005】近年、極細糸の需要増に伴なって生産性ア
ツプを計るため、紡糸の高速化と共に整経製織の高速化
が行われ、高速解舒性、高速飛走性等の後加工通過性に
優れた糸条への要求が極細繊維においても要求されてき
た。
[0005] In recent years, in order to increase productivity in response to an increase in demand for ultra-fine yarn, speeding up of spinning and warping and weaving have been performed, and post-processing such as high-speed unwinding and high-speed flight has been performed. A demand for a yarn having excellent properties has been demanded also for an ultrafine fiber.

【0006】単糸繊度が0.5デニ−ル以下かつ単糸数
が50以上のポリエステル極細繊維については、従来の
如くインタ−レ−ス交絡数を単にアツプさせるだけで
は、単糸が細いために毛羽発生を助長し満足な高速紡糸
性及び後加工性が得られない。
With respect to polyester ultrafine fibers having a single yarn fineness of 0.5 denier or less and a single yarn number of 50 or more, simply increasing the number of interlace entanglements as in the related art will result in a thin single yarn. Fuzz generation is promoted, and satisfactory high-speed spinnability and post-processability cannot be obtained.

【0007】例えば、図3に示すように引取りロ−ラ5
の上流位置に油剤付与装置3とインタ−レ−スノズル4
を設置した装置で極細繊維を得るものは3000〜50
00m/分で引取るため紡糸張力が高く、この糸条に2
0ケ/m以上の交絡を付与することは困難であり、でき
たとしても毛羽が増大する結果となる。
For example, as shown in FIG.
Oil supply device 3 and interface nozzle 4
The device which obtains microfibers in the device equipped with
The spinning tension is high because the yarn is pulled at 00m / min.
It is difficult to impart confounding of 0 / m or more, and even if it can be performed, the fluff will increase.

【0008】図4は引取りロ−ラ5の前に油剤付与装置
3とインタ−レ−スノズル4を設置し、更に後の引取り
ロ−ラ6と巻取装置9の間にインタ−レ−スノズル7を
設けた装置であるが、先インタ−レ−スで入る交絡数は
紡糸張力によつて規制されること、また後引取りロ−ラ
6と巻取装置9の間の後インタ−レ−スで入る交絡数は
巻取張力によつて規制される。このため交絡数をアツプ
しようとすると、紡糸張力を下げるか巻取張力を下げる
必要があるが、安定かつ毛羽を少なくして交絡数を15
ケ/m以上いれることは困難である。
FIG. 4 shows the arrangement of the oil applying device 3 and the interface nozzle 4 in front of the take-up roller 5, and the interface between the take-up roller 6 and the take-up device 9 at the rear. The number of entanglements entering at the front interface is regulated by the spinning tension, and the rear interface between the rear take-up roller 6 and the winding device 9 is provided. -The number of confounds at the race is regulated by the winding tension. Therefore, to increase the number of entanglements, it is necessary to lower the spinning tension or the winding tension.
It is difficult to insert more than 10 m / m.

【0009】本発明者らは高速紡糸性に優れかつ整経、
製織性等の後加工通過性に優れたポリエステル極細繊維
について鋭意検討した結果、張力制御が可能なそれぞれ
の場所において異なるインタ−レ−スノズルを用いて個
々に交絡処理を施すことで、合計15ケ/m以上の交絡
数を有する繊維が目的を達成することを見出だし本発明
に到達した。
The inventors of the present invention have excellent high-speed spinnability and warp,
As a result of intensive studies on polyester ultrafine fibers having excellent post-processing properties such as weaving properties, a total of 15 fibers were obtained by individually performing entanglement treatment using different interface nozzles at each place where tension control was possible. It has been found that a fiber having an entanglement number of / m or more achieves the object, and has reached the present invention.

【0010】[0010]

【発明が解決しようとする課題】本発明は特殊な糸条交
絡を施した毛羽の少ない、後加工通過性に優れたポリエ
ステル極細繊維の製造法を提供するものである。
An object of the present invention is to provide a method for producing a polyester fine fiber which has a special yarn entanglement and is less fuzzy and has excellent post-processability.

【0011】[0011]

【課題を解決するための手段】本発明はポリエステルを
紡糸孔を通して溶融吐出し、単糸繊度が0.5デニ−ル
以下でかつ単糸数が50以上のポリエステル極細繊維を
得る際に、引取ロ−ラ前に油剤付与装置と3孔以上の孔
数を有するインタ−レ−スノズルを用い、第1段の交絡
処理をし、3000m/min以上で引取り一旦巻取る
ことなく引取ロ−ラと延伸ロ−ラ間で延伸をし、更に延
伸ロ−ラと実質的に非加熱の中間ローラ間で1孔又は2
孔のインタ−レ−スノズルを用い第2段の交絡処理を行
い、合計交絡数が20ケ/m以上として巻取ることを特
徴とするポリエステル極細繊維の製造方法である。
According to the present invention, a polyester is melted and discharged through a spinning hole to obtain a polyester ultrafine fiber having a single yarn fineness of 0.5 denier or less and a single yarn number of 50 or more. -Using a lubricant applying device and an interface nozzle having three or more holes before the roller, performing the first-stage entanglement treatment, and taking over at 3000 m / min. The stretching is performed between the stretching rollers , and one hole or two holes are formed between the stretching roller and the substantially unheated intermediate roller.
A method for producing ultrafine polyester fibers, wherein a second stage of entanglement treatment is carried out using an interlace nozzle having holes and the total number of entanglements is 20 pieces / m or more.

【0012】以下、本発明を詳細に説明する。本発明の
ポリエステル繊維は繰り返し単位がエチレンテレフタレ
−トからなるポリエステルフイラメントを対象とする。
しかし、テレフタル酸成分及び/又はエチレングリコ−
ル成分以外の第3成分を少量(通常テレフタル酸成分に
対して20モル%以下)共重合したものであつてもよ
く、また多種ポリマ−を少量(通常ポリエステルに対し
て10重量%以下)混合せしめたポリエステルであつて
も良い。
Hereinafter, the present invention will be described in detail. The polyester fiber of the present invention is intended for a polyester filament whose repeating unit is composed of ethylene terephthalate.
However, the terephthalic acid component and / or ethylene glyco-
A small amount (usually 20 mol% or less based on the terephthalic acid component) of the third component other than the polyester component may be copolymerized. Polyester may be used.

【0013】また、前記ポリエステルの中には必要に応
じて制電剤、艶消剤、紫外線吸収剤、染色性改良剤等の
添加剤を混入せしめても良い。
If necessary, additives such as an antistatic agent, a matting agent, an ultraviolet absorber, and a dye improver may be mixed into the polyester.

【0014】本発明のポリエステル極細繊維は単糸繊度
が0.5デニ−ル以下でかつ単糸数が50以上のものを
いう。単糸繊度については可及的に細いものも可能であ
るが、現状では0.05デニ−ル以上である。また単糸
数は要求されるト−タルデニ−ルによつて決まり、50
以上が通常である。単糸繊度が0.05デニ−ル未満で
は毛羽発生が大きくフイラメントとしての取扱いが困難
になる。単糸繊度が0.5デニ−ルより太いときは極細
繊維としての風合がなく好ましくない。
The polyester ultrafine fibers of the present invention have a single yarn fineness of 0.5 denier or less and a single yarn number of 50 or more. The fineness of single yarn can be as thin as possible, but it is 0.05 denier or more at present. The number of single yarns is determined by the required total denier, and is 50
The above is normal. When the single yarn fineness is less than 0.05 denier, fluff is generated so that it is difficult to handle as filament. If the single-fiber fineness is larger than 0.5 denier, the feeling as an ultrafine fiber is unfavorable.

【0015】単糸数が50より小さい糸条はト−タルデ
ニ−ルが25デニ−ルより小さくなり、後加工での通過
性が不良となる。単糸数の上限は要求されるト−タルデ
ニ−ルによつて決まり、フイラメントとしては単糸数1
500以下である。
When the number of single yarns is smaller than 50, the total denier becomes smaller than 25 denier, and the passability in post-processing becomes poor. The upper limit of the number of single yarns is determined by the required total denier.
500 or less.

【0016】本発明のポリエステル極細繊維のインタ−
レ−ス交絡数は20ケ/m以上である。20ケ/m未満
のものは高速整経時や高速製織時の糸切れ、毛羽発生要
因となり易く好ましくない。交絡数は高ければ高いほど
好ましいが、経済性、操作性の面からすれば50ケ/m
程度で十分である。
[0016] The polyester ultrafine fiber of the present invention
The number of laser confounds is 20 or more / m. Those having less than 20 pieces / m are not preferred because they tend to cause thread breakage and fluff during high-speed aging and high-speed weaving. The higher the number of confounds, the better, but from the viewpoint of economy and operability, 50 pieces / m
A degree is enough.

【0017】以上の如き本発明のポリエステル繊維は以
下のような製造方法によつて得られる。すなわち、前述
のポリエステルを溶融して紡糸口金より吐出させる。口
金直下に設けた加熱ヒ−タを通過させ冷却固化してか
ら、油剤付与装置を用いオイリングした後、前インタ−
レ−スノズルを用い、第1段の交絡処理をし、3000
m/分以上で引取る。ついで一旦巻取ることなく引取り
ロ−ラと延伸ロ−ラの間で延伸し、延伸ロ−ラで熱処理
した後、更に延伸ロ−ラと実質的に非加熱の中間ロ−ラ
の間で、後インタ−レ−スノズルを用い第2段の交絡処
理をした後巻取る。
The polyester fiber of the present invention as described above can be obtained by the following production method. That is, the aforementioned polyester is melted and discharged from the spinneret. After passing through a heating heater provided just below the base and cooling and solidifying, the oil was applied using an oil agent application device, and then the pre-
Using a laser nozzle, the first stage of entanglement treatment is performed and 3000
Withdraw at m / min or more. Then, the film is stretched between the take-up roller and the stretching roller without being wound once, and is heat-treated with the stretching roller, and further between the stretching roller and the substantially unheated intermediate roller. After the second stage of confounding using the rear interface nozzle, winding is performed.

【0018】図1はこのような工程の1例を示すもので
あり、本発明を実施するに好適な工程の模式図を示す。
図において、スピンブロツク1を経て溶融吐出された糸
条yは加熱ヒ−タ−ゾ−ン2を経て冷却固化後、油剤付
与装置3でオイリングされてから先インタ−レ−スノズ
ル4で交絡処理した後、引取ロ−ラ5に至る。
FIG. 1 shows an example of such a process, and shows a schematic diagram of a process suitable for carrying out the present invention.
In the figure, a yarn y melt-discharged through a spin block 1 is cooled and solidified through a heating heater zone 2, then oiled by an oil application device 3, and then entangled by an interlacing nozzle 4. After that, it reaches the pickup roller 5.

【0019】そして糸条yは引取ロ−ラ5と延伸ロ−ラ
6との間で延伸され、後インタ−レ−スノズル7、実質
的に非加熱の中間ロ−ラ8を経て巻取機9により巻取ら
れる。
The yarn y is drawn between a take-up roller 5 and a drawing roller 6, and is passed through a post-interlacing nozzle 7 and a substantially unheated intermediate roller 8 to a winding machine. 9 is wound up.

【0020】ポリエステルの重合度はポリエステルの種
類や製品極細繊維の用途に応じて適宜選定すべきである
が、極限粘度[η]にして0.55〜0.65のものが
適当である。
The degree of polymerization of the polyester should be appropriately selected according to the type of the polyester and the use of the product ultrafine fibers, but a limiting viscosity [η] of 0.55 to 0.65 is suitable.

【0021】紡糸口金1aは紡糸孔径0.1〜0.2mm
のものを使用するのが好ましい。また紡糸温度は290
〜305℃が好ましく、紡糸口金1aから吐出された糸
条yは口金直下に設けた加熱ヒ−タで加熱するのが好ま
しい。この加熱ヒ−タは口金1aより吐出された糸条の
紡糸張力を制御するために設けた方がよく、加熱ヒ−タ
がない場合はスピンブロツク温度及び冷却速度によつて
紡糸張力を制御せざるを得ず、所望の繊維を得ることが
難しくなる。加熱ヒ−タにより口金下10mmの雰囲気温
度は240〜300℃の範囲に保持することが好まし
い。
The spinneret 1a has a spinning hole diameter of 0.1 to 0.2 mm.
It is preferred to use The spinning temperature is 290
To 305 ° C., and the yarn y discharged from the spinneret 1a is preferably heated by a heating heater provided immediately below the spinneret. This heating heater is preferably provided to control the spinning tension of the yarn discharged from the die 1a. If there is no heating heater, the spinning tension is controlled by the spin block temperature and the cooling rate. Inevitably, it becomes difficult to obtain a desired fiber. It is preferable that the temperature of the atmosphere 10 mm below the base is maintained in the range of 240 to 300 ° C. by a heating heater.

【0022】加熱ヒ−タゾ−ン2を経た糸条yはその横
方向から室温の冷却風を吹き付けて冷却固化され、油剤
付与装置3で所定の油剤を付与される。しかる後、先イ
ンタ−レ−スノズル4によつて第1段交絡処理を行う。
先インタ−レ−スノズル4は3孔以上のノズルである。
ここで、3孔ノズルとは加圧流体を噴出する流体噴出孔
がノズル横断面に3つ存在するノズルであり、その位置
は回転対称に配置されることが望ましい。具体的には図
2(a)に示すようなインタ−レ−スノズルが好ましく
利用される。図2(a)で41は糸導、42は流体噴射
孔である。
The yarn y which has passed through the heating heater zone 2 is cooled and solidified by blowing cooling air at room temperature from the lateral direction, and a predetermined oil agent is applied by the oil applying device 3. Thereafter, the first interlacing process is performed by the first interface nozzle 4.
The front interface nozzle 4 is a nozzle having three or more holes.
Here, the three-hole nozzle is a nozzle in which three fluid ejection holes for ejecting a pressurized fluid are present on the nozzle cross section, and it is desirable that the positions thereof be arranged rotationally symmetrically. Specifically, an interface nozzle as shown in FIG. 2A is preferably used. In FIG. 2A, reference numeral 41 denotes a yarn guide, and reference numeral 42 denotes a fluid injection hole.

【0023】通常、孔数が多いほど同一圧空流量ではそ
の交絡数は少なく、弱い交絡が施される。本発明におい
ては先インタ−レ−スノズル4として3孔以上のノズル
を用いて比較的弱い交絡を交絡数で、好ましくは10ケ
/m以上付与する。1孔ノズル又は2孔ノズルを用いた
場合は比較的強い交絡が生じるため、引き続く延伸工程
において染斑不良が生じ易くなつて好ましくない。ま
た、交絡数が10ケ/m未満のときは引き続く工程にお
いてロ−ラ上の糸揺れ又は毛羽単糸切れが生じ易く、高
速紡糸性が低下する。
Normally, the greater the number of holes, the smaller the number of confounds at the same compressed air flow rate, and the weaker the confounding. In the present invention, a nozzle having three or more holes is used as the interface nozzle 4, and relatively weak confounding is given by the confounding number, preferably 10 / m or more. When a one-hole nozzle or a two-hole nozzle is used, relatively strong entanglement occurs, which is not preferable because stain defects are likely to occur in the subsequent stretching step. On the other hand, when the number of entanglements is less than 10 pcs / m, yarn swaying on the roller or breakage of fluff single yarn is liable to occur in a subsequent step, and the high-speed spinnability is reduced.

【0024】引取り速度が3000m/分より低いとき
は所望の糸質を得ようとすると、延伸工程での倍率を高
く設定する必要があり、このとき交絡数が10ケ/m以
上では染斑が生じ易く、交絡数を10ケ/未満とすると
毛羽が発生し易くなる。
When the take-off speed is lower than 3000 m / min, it is necessary to set a higher magnification in the stretching step in order to obtain a desired yarn quality. When the number of confounds is set to less than 10 /, fluff is likely to occur.

【0025】引取ロ−ラ5で引取られた糸条yは一旦巻
取ることなく、延伸ロ−ラ6との間で延伸する。延伸倍
率は所望の糸質を得るために適宜選択されるが、通常は
1.01倍以上1.5倍以下である。このとき予熱をす
るために引取ロ−ラ5が加熱ロ−ラであつてもよい。延
伸工程に連続して熱処理をし沸水収縮率を10%以下に
低減させることができる。これは延伸ロ−ラ6を加熱ロ
−ラとすることで対応可能である。
The yarn y picked up by the pick-up roller 5 is drawn with the drawing roller 6 without being wound once. The draw ratio is appropriately selected in order to obtain a desired yarn quality, but is usually 1.01 times or more and 1.5 times or less. At this time, the take-up roller 5 may be a heating roller for preheating. Heat treatment can be performed continuously from the stretching step to reduce the boiling water shrinkage to 10% or less. This can be dealt with by making the stretching roller 6 a heating roller.

【0026】延伸工程に続いて、延伸ロ−ラ6と中間ロ
−ラ8の間で後インタ−レ−スノズル7を用い第2段の
交絡処理を実施する。後インタ−レ−スノズル7に使用
するノズルは高交絡を施す目的が強いため2孔ノズル又
は1孔ノズルを用いる。具体的には図2(b)のような
ノズルが好ましく利用される。71は糸導、72は流体
噴射孔である。
Subsequent to the stretching step, a second-stage entanglement process is performed between the stretching roller 6 and the intermediate roller 8 by using the rear interface nozzle 7. The nozzle used for the rear interface nozzle 7 is a two-hole nozzle or a one-hole nozzle because it has a strong purpose of performing high entanglement. Specifically, a nozzle as shown in FIG. 2B is preferably used. 71 is a thread guide, and 72 is a fluid ejection hole.

【0027】先インタ−レ−スで弱い交絡処理をした
後、後インタ−レ−スで強い交絡処理を施すことが本発
明のポイントである。
It is a point of the present invention that a weak confounding process is performed at the first interface, and then a strong confounding process is performed at the rear interface.

【0028】2段の交絡処理は延伸ロ−ラ6と中間ロ−
ラ8との間のオ−バフイ−ド率とノズルの圧空圧によつ
て左右される。
The two-stage entanglement treatment is performed by using a stretching roller 6 and an intermediate roller.
And the pressure and air pressure of the nozzle.

【0029】オ−バフイ−ド率(以下、OF率と略す)
は次のように定義する。
Overfeed rate (hereinafter abbreviated as OF rate)
Is defined as follows:

【0030】OF率={(延伸ロ−ラ速度−(中間ロ−
ラ速度)}/延伸ロ−ラ速度 OF率は0.5%以上3%以下が好ましい。0.5%未
満では所望の交絡数を得ようとすると圧空圧が高くなり
毛羽が生じ易くなる。一方、3%より高いOF率では糸
条のロ−ラ巻付が生じるので高速紡糸性が低下する。
OF ratio = {(stretch roller speed− (intermediate roller−
(Speed) 速度 / stretching roller speed The OF rate is preferably 0.5% or more and 3% or less. If it is less than 0.5%, the pneumatic pressure increases to obtain a desired number of confounds, and fluff is likely to occur. On the other hand, if the OF rate is higher than 3%, the yarn is wound around the roller, so that the high-speed spinnability is reduced.

【0031】中間ロ−ラ8について、実質的に非加熱と
は、通常室温をさし、糸条の熱収縮を起こさないことを
言い、鏡面ロ−ラであることが好ましい。これは延伸ロ
−ラ〜中間ロ−ラの区域と中間ロ−ラ〜巻取機の区域と
の張力バランスを保つためである。中間ロ−ラの表面が
梨地の場合には該ロ−ラ上で糸ゆれが増加し、延伸ロ−
ラと中間ロ−ラとの張力差が巻取機まで伝播し、中間ロ
−ラに糸条が巻き付き易くなる。
Regarding the intermediate roller 8, the term “substantially non-heating” generally means room temperature and does not cause thermal shrinkage of the yarn, and is preferably a mirror-finished roller. This is to maintain the tension balance between the area from the stretching roller to the intermediate roller and the area from the intermediate roller to the winding machine. When the surface of the intermediate roller is satin, the yarn warp increases on the roller and the drawing roller
The difference in tension between the roller and the intermediate roller propagates to the winder, and the yarn easily winds around the intermediate roller.

【0032】[0032]

【実施例】以下、実施例をあげて、本発明を更に具体的
に説明する。
The present invention will be described more specifically below with reference to examples.

【0033】なお、交絡数はROTHSHILD社製E
NTANGLMENT TESTER R2040を使
用し、走行張力10g一定で30m/分で巻取り、糸条
に15〜18gのピン張力をかけて20回のト−タル糸
長より求めた。
The number of confounds was determined by ROTHSHILD E
Using NTANGLEMENT TESTER R2040, winding was carried out at a constant running tension of 10 g at a rate of 30 m / min, a pin tension of 15 to 18 g was applied to the yarn, and the total length was obtained from 20 total yarn lengths.

【0034】製織性は日産LW−52型WJLを用いて
600rpmの速度で製織したときの停台回数より判定
した。
The weaving property was judged from the number of stops when weaving was performed at a speed of 600 rpm using Nissan LW-52 type WJL.

【0035】[0035]

【実施例1〜3、比較例1〜6】35℃のO−クロロフ
エノ−ル溶液で測定した極限粘度[η]が0.64のポ
リエチレンテレフタレ−ト(酸化チタン含有量0.3
%)を72孔の紡糸口金から298℃の温度で溶融吐出
し、一定に保持した口金下ヒ−タゾ−ンを通過させた
後、吐出糸条を紡糸筒内で糸条を横切るように吹出す冷
却風によつて冷却固化せしめた。この後油剤を付与し、
先インタ−レ−スノズルにより交絡処理を行って90℃
に加熱された引取ロ−ラに6回巻き付けた後、130℃
に加熱された延伸ロ−ラに4回巻き付け、ついで後イン
タ−レ−スノズルによる交絡処理を施し、中間ロ−ラを
経て32デニ−ル/72フイラメントの糸条を巻き取っ
た。
Examples 1 to 3 and Comparative Examples 1 to 6 Polyethylene terephthalate having an intrinsic viscosity [η] of 0.64 measured with an O-chlorophenol solution at 35 ° C. (a titanium oxide content of 0.3)
%) From a 72-hole spinneret at a temperature of 298 ° C., and after passing through a fixed heater zone under the spinneret, the discharged yarn is blown across the yarn in a spinning cylinder. It was cooled and solidified by the cooling air that came out. After this, apply the oil agent,
90 ° C. after confounding by the interlace nozzle
After winding 6 times around a take-up roller heated to 130 ° C.
Was wound four times around a heated drawing roller, and then subjected to a confounding process using a post-interlace nozzle, and a 32 denier / 72 filament yarn was wound through an intermediate roller.

【0036】この際、紡糸条件、インタ−レ−ス条件を
変更して実施した。条件及び得られたマルチフイラメン
トの紡糸調子、交絡数、外観毛羽及び後加工通過性の結
果を表1に示す。
At this time, spinning conditions and interface conditions were changed. Table 1 shows the conditions, the spinning condition, the number of entanglements, the appearance fluff, and the post-processability of the obtained multifilament.

【0037】[0037]

【比較例7】紡機、紡糸条件及びインタ−レ−ス条件を
表1に示す条件以外は実施例1と同様にして巻取った。
その結果を表1に示す。
Comparative Example 7 Winding was carried out in the same manner as in Example 1 except for the spinning machine, spinning conditions and interface conditions shown in Table 1.
Table 1 shows the results.

【0038】[0038]

【表1】 [Table 1]

【0039】表1の結果における判定基準は次の通りで
ある。
The criteria for the results in Table 1 are as follows.

【0040】[0040]

【表2】紡糸調子 ◎:優れている、 O:良好、
△:やや劣る、×:劣る 外観毛羽 ◎: なし、 O:殆どなし、 △:
少しあり、×:多発 後加工通過性 :織機停台回数で判定 単位:回/日 ◎: ≦ 5、 O:6 〜 10 、 △:10〜20、
×: ≧20 染斑 ◎: なし、 O:殆どなし、 △:
少しあり、×:目立つ
[Table 2] Spinning condition A: excellent, O: good,
△: Slightly poor, ×: Poor appearance Fluff ◎: None, O: Almost none, △:
There is a little, ×: Multiple occurrences Post-processing passability: Judgment by the number of times the loom stops Unit: times / day ◎: ≦ 5, O: 6 to 10, △: 10 to 20,
×: ≧ 20 spots ◎: none, O: almost none, △:
There is a little, ×: stand out

【0041】[0041]

【発明の効果】以上に説明の如く、本発明によればポリ
エステル極細繊維は特殊な糸条交絡処理を施しているた
め、高速紡糸性かつ後加工通過性に優れるという顕著な
効果を奏する。
As described above, according to the present invention, since the polyester ultrafine fiber is subjected to a special yarn entanglement treatment, it has a remarkable effect of being excellent in high-speed spinning properties and excellent post-processability.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明を実施するに好適な製造工程を示す模式
図である。
FIG. 1 is a schematic view showing a manufacturing process suitable for carrying out the present invention.

【図2】(a)本発明を実施するに好適な先インタ−レ
−スノズルの断面図である。 (b)本発明を実施するに好適な後インタ−レ−スノズ
ルの断面図である。
FIG. 2A is a sectional view of a front interface nozzle suitable for carrying out the present invention. (B) It is sectional drawing of the rear interface nozzle suitable for implementing this invention.

【図3】従来例を示す製造工程の模式図である。FIG. 3 is a schematic view of a manufacturing process showing a conventional example.

【図4】従来例を示す製造工程の模式図である。FIG. 4 is a schematic view of a manufacturing process showing a conventional example.

【符号の説明】 4 先インタ−レ−スノズル 5 引取ロ−ラ 6 延伸ロ−ラ 7 後インタ−レ−スノズル 8 中間ロ−ラ 9 巻取機 42 流体噴射孔 72 流体噴射孔[Description of Signs] 4 Front interface nozzle 5 Take-in roller 6 Extension roller 7 Rear interface nozzle 8 Intermediate roller 9 Winding machine 42 Fluid injection hole 72 Fluid injection hole

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 D02J 1/00 D02J 1/00 L ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification number Agency reference number FI Technical display location D02J 1/00 D02J 1/00 L

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 ポリエステルを紡糸孔を通して溶融吐出
し、単糸繊度が0.5デニ−ル以下でかつ単糸数が50
以上のポリエステル極細繊維を得る際に、引取ロ−ラ前
に油剤付与装置と3孔以上の孔数を有するインタ−レ−
スノズルを用い、第1段の交絡処理をし、3000m/
min以上で引取り一旦巻取ることなく引取ロ−ラと延
伸ロ−ラ間で延伸をし、更に延伸ロ−ラと実質的に非加
熱の中間ローラ間で1孔又は2孔のインタ−レ−スノズ
ルを用い第2段の交絡処理を行い、合計交絡数が20ケ
/m以上として巻取ることを特徴とするポリエステル極
細繊維の製造方法。
1. A polyester is melt-discharged through a spinning hole and has a single yarn fineness of 0.5 denier or less and a single yarn count of 50 or less.
When obtaining the above polyester ultrafine fibers, an oiling device and an interface having three or more holes before the take-off roller.
Using a nozzle, the first stage of confounding treatment is performed, and 3000 m /
min or more, the film is stretched between the take-up roller and the stretching roller without being wound once, and a one-hole or two-hole interface is formed between the stretching roller and the substantially unheated intermediate roller. -A second stage of entanglement treatment using a nozzle, and winding with a total number of entanglements of 20 / m or more, and winding.
JP12441891A 1991-04-30 1991-04-30 Method for producing polyester ultrafine fiber Expired - Fee Related JP2609009B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12441891A JP2609009B2 (en) 1991-04-30 1991-04-30 Method for producing polyester ultrafine fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12441891A JP2609009B2 (en) 1991-04-30 1991-04-30 Method for producing polyester ultrafine fiber

Publications (2)

Publication Number Publication Date
JPH04333615A JPH04333615A (en) 1992-11-20
JP2609009B2 true JP2609009B2 (en) 1997-05-14

Family

ID=14884990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12441891A Expired - Fee Related JP2609009B2 (en) 1991-04-30 1991-04-30 Method for producing polyester ultrafine fiber

Country Status (1)

Country Link
JP (1) JP2609009B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW518376B (en) * 1998-03-05 2003-01-21 Barmag Barmer Maschf Method and apparatus for spinning, drawing, and winding a yarn
CN114746592B (en) * 2019-11-28 2023-08-22 京瓷株式会社 Spinning nozzle and spinning device
CN114351309B (en) * 2021-12-06 2023-03-21 广东职业技术学院 Preparation method of equal linear density yarn with variable blending ratio

Also Published As

Publication number Publication date
JPH04333615A (en) 1992-11-20

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