JPS63227820A - Production of fire-and heat-resistant conjugate spun yarn - Google Patents
Production of fire-and heat-resistant conjugate spun yarnInfo
- Publication number
- JPS63227820A JPS63227820A JP7967187A JP7967187A JPS63227820A JP S63227820 A JPS63227820 A JP S63227820A JP 7967187 A JP7967187 A JP 7967187A JP 7967187 A JP7967187 A JP 7967187A JP S63227820 A JPS63227820 A JP S63227820A
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- resistant
- core
- heat
- fiber bundle
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 239000000835 fiber Substances 0.000 claims abstract description 78
- 239000002131 composite material Substances 0.000 claims description 39
- 238000005520 cutting process Methods 0.000 claims description 23
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000010050 twist less spinning Methods 0.000 claims description 4
- 238000009987 spinning Methods 0.000 abstract description 31
- 238000000034 method Methods 0.000 abstract description 17
- 239000011230 binding agent Substances 0.000 abstract description 5
- 230000000052 comparative effect Effects 0.000 description 8
- 238000007378 ring spinning Methods 0.000 description 7
- 239000012210 heat-resistant fiber Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000004760 aramid Substances 0.000 description 3
- 229920003235 aromatic polyamide Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000013351 cheese Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
- D02G3/385—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn using hollow spindles, e.g. making coverspun yarns
-
- 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
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は耐炎・耐熱複合紡績糸の製造方法に関する。よ
り詳しくは牽切延伸装置と中空スピンドルを含んで成る
無撚精紡機を用いて強力の強い耐炎・耐熱複合紡績を製
造する方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for producing flame-resistant and heat-resistant composite spun yarn. More specifically, the present invention relates to a method for producing strong flame-resistant and heat-resistant composite spinning using a no-twist spinning machine that includes a drag drawing device and a hollow spindle.
従来、耐炎・耐熱紡績糸を製造する方法として種々の方
法が提案されているがそれぞれ問題点を有する。例えば
耐炎・耐熱繊維だけで紡績糸にする場合、紡績の各工程
を通過させるに伴い微粉末が多発し、且つ太さ斑の発生
が見られるといった欠点と共に得られた紡績糸の強力性
能が劣る。又耐炎・耐熱性繊維の耐炎・耐熱性を向上さ
せると紡績糸の強力が著しく低下するという問題点を有
する。そこで前記問題点を解決するために、複合紡績糸
にして耐炎・耐熱紡績糸を提供することが試みられてい
るがこれらの方法を用いたとしても問題点の全てが解決
される訳ではない。例えばリング精紡機を用いてコアー
ヤーン方式で耐炎・耐熱複合紡績糸を作る方法が提案さ
れているが、通常のコアーヤーン方式では鞘部の耐炎・
耐熱繊維で芯部を完全に包み込むことが困難であり、商
品価値が劣るものとなる。又芯部に実撚が掛かるために
複合紡績糸の強力が低下するという問題がある。又中空
スピンドル精紡機を用いて耐炎・耐熱繊維を芯糸にラッ
ピングして耐炎・耐熱複合紡績糸を作ることができる。Conventionally, various methods have been proposed for producing flame-resistant and heat-resistant spun yarn, but each method has its own problems. For example, when spun yarn is made from only flame-resistant and heat-resistant fibers, there are drawbacks such as a large amount of fine powder generated as the yarn passes through each spinning process, uneven thickness, and poor strength performance of the resulting spun yarn. . Furthermore, there is a problem in that when the flame resistance and heat resistance of flame and heat resistant fibers are improved, the strength of the spun yarn is significantly reduced. In order to solve the above-mentioned problems, attempts have been made to provide flame-resistant and heat-resistant spun yarns in the form of composite spun yarns, but even if these methods are used, not all of the problems can be solved. For example, a method has been proposed for making flame-resistant and heat-resistant composite spun yarn using a core yarn method using a ring spinning machine.
It is difficult to completely wrap the core with heat-resistant fibers, resulting in inferior commercial value. Furthermore, there is a problem in that the strength of the composite spun yarn is reduced due to the actual twist applied to the core. Furthermore, a flame-resistant/heat-resistant composite spun yarn can be made by wrapping flame-resistant/heat-resistant fibers around a core yarn using a hollow spindle spinning machine.
しかしこの場合においても、耐炎・耐熱繊維を完全に芯
糸にラッピングして包み込むためには、非常に高いラッ
ピング数を必要とし、その結果ラッピングによる撚トル
クが発生したり、生産性が低下したりする問題点を有す
る。However, even in this case, in order to completely wrap the flame-resistant and heat-resistant fibers around the core yarn, a very high number of wrappings is required, resulting in twisting torque caused by wrapping and a decrease in productivity. It has some problems.
前述のように、従来公知の耐炎・耐熱紡績糸の製造方法
は、何れも得られた紡績糸の性能および／又はその生産
上に問題点を有し、優れた性能を有する耐炎・耐熱紡績
糸を安定して生産し得る製造方法は未だ見出されていな
い。As mentioned above, all of the conventionally known methods for producing flame-resistant and heat-resistant spun yarns have problems in the performance of the obtained spun yarns and/or their production. A manufacturing method that can stably produce the same has not yet been found.
本発明は従来公知の耐炎・耐熱紡績糸の有する問題点を
解決して、芯糸部、鞘部およびラッピング糸条から成る
複合紡績糸であって、芯糸が実質的に紡績糸の中心に入
って側面に露出することなく且つ強力の強い耐炎・耐熱
紡績糸を効率的に製造する方法を提供することを目的と
する。The present invention solves the problems of conventionally known flame-resistant and heat-resistant spun yarns, and provides a composite spun yarn consisting of a core yarn, a sheath, and a wrapping yarn, in which the core yarn is substantially located at the center of the spun yarn. The purpose of the present invention is to provide a method for efficiently producing strong flame-resistant and heat-resistant spun yarn without exposing it to the side surface.
本発明の目的は、牽切延伸装置と中空スピンドルを含ん
で成る無撚精紡機を用いて、耐炎・耐熱鞘芯複合紡績糸
を製造するに際し、強度２．５ ｇ／ｄ以下、伸度２５
％の単繊維性能を有し、且つトータルデニール３，０万
り以下の耐炎耐熱連続無撚無捲縮繊維束を一段で牽切延
伸して鞘部用不連続繊維束を形成し、該鞘部用不連続繊
維束に芯部用の高強度機能を有する連続繊維糸条を供給
して繊維糸条束となし、次いで該繊維糸条束を前記中空
スピンドルに供給して、回転中の中空スピンドルに嵌着
されたバインダから送出される耐炎・耐熱糸条でラフと
ングする鞘芯複合紡績糸の製造方法であって、その際の
ラッピング係数（αＬ）が８０〜１５０の範囲であり、
鞘部の芯糸部に対するオーバーフィード率が１．０４〜
１．１５の範囲であり、芯糸挿入率が２５重量％以下で
あることを特徴とする鞘芯複合紡績糸の製造方法によっ
て達成される。The purpose of the present invention is to produce a flame-resistant and heat-resistant sheath-core composite spun yarn using a no-twist spinning machine comprising a tension drawing device and a hollow spindle, with a strength of 2.5 g/d or less and an elongation of 25.
% single fiber performance and a total denier of 3,000,000 yen or less, a flame-resistant and heat-resistant continuous untwisted and uncrimped fiber bundle is stretched in one step to form a discontinuous fiber bundle for the sheath portion, and the sheath is A continuous fiber yarn having a high strength function for the core portion is supplied to the discontinuous fiber bundle for the core portion to form a fiber yarn bundle, and then the fiber yarn bundle is supplied to the hollow spindle to create a spinning hollow spindle. A method for producing a sheath-core composite spun yarn in which the sheath-core composite spun yarn is roughened with flame-resistant and heat-resistant yarn sent out from a binder fitted to a spindle, the wrapping coefficient (αL) at that time being in the range of 80 to 150,
The overfeed ratio of the sheath part to the core yarn part is 1.04~
1.15, and is achieved by a method for producing a sheath-core composite spun yarn characterized in that the core yarn insertion rate is 25% by weight or less.
前記芯糸部用の連続繊維糸条の鞘部用不連続繊維束への
供給方法としては各種の態様が考えられる。例えば芯糸
部用の連続繊維糸条を、緊張下で、前記鞘部用不連続繊
維束形成用牽切延伸装置のフロントローラの上流側から
前記不連続繊維束に供給する方法を用いることができる
。この方法を用いて多（の種類の本発明の目的に適合す
る複合紡績糸を製造することができる。Various modes can be considered as a method for supplying the continuous fiber yarn for the core yarn portion to the discontinuous fiber bundle for the sheath portion. For example, a method may be used in which the continuous fiber yarn for the core yarn section is supplied under tension to the discontinuous fiber bundle from the upstream side of the front roller of the tension-cutting stretching device for forming the discontinuous fiber bundle for the sheath section. can. This method can be used to produce many types of composite yarns suitable for the purposes of the present invention.
しかしながらこの方法では鞘部用不連続繊維束形成用牽
切延伸装置のフロントローラの把持力が供給される芯糸
部用の連続繊維糸条の挿入によって妨げられる傾向があ
り、したがって用いられる芯糸部用の連続繊維糸条の種
類（太さ、形状等）によっては鞘部用連続繊維束の牽切
延伸に悪影響を及ぼす。したがってこのような場合には
、前記牽切延伸装置の下流側且つ前記中空スピンドルと
の間に一対のデリベリローラを設け、そのデリベリロー
ラの上流側から前記芯糸部用の連続繊維糸条を緊張下で
前記鞘部用不連続繊維束に供給する方法を用いればよい
。However, in this method, the gripping force of the front roller of the tension-cutting drawing device for forming a discontinuous fiber bundle for the sheath section tends to be hindered by the insertion of the continuous fiber yarn for the core yarn section, which is supplied to the core yarn. Depending on the type (thickness, shape, etc.) of the continuous fiber yarn for the sheath section, the tension-cutting stretching of the continuous fiber bundle for the sheath section is adversely affected. Therefore, in such a case, a pair of delivery rollers is provided on the downstream side of the tension drawing device and between the hollow spindle, and the continuous fiber yarn for the core yarn portion is delivered under tension from the upstream side of the delivery roller. The method of supplying the discontinuous fiber bundle for the sheath portion may be used.
この後者の製造方法では、連続繊維束の牽切延伸処理と
芯糸部用の連続繊維糸条の供給とが分離して行われるの
で、連続繊維束の牽切延伸処理が芯糸の供給によって影
響されることなく、したがってどのような種類の芯糸を
用いた場合でも連続繊維束を確実に牽切することができ
る。In this latter manufacturing method, the tension cutting treatment of the continuous fiber bundle and the supply of the continuous fiber yarn for the core yarn are performed separately, so that the tension cutting treatment of the continuous fiber bundle is carried out by the supply of the core yarn. Therefore, the continuous fiber bundle can be reliably cut regardless of the type of core yarn used.
前記芯糸として用いられる連続繊維糸条の単繊維強度が
ｌ Ｏｇ／ｄ以上であるとより好ましい。It is more preferable that the single fiber strength of the continuous fiber yarn used as the core yarn is 1 Og/d or more.
次に本発明の製造方法を実施するのに用いられる無撚精
紡機の一例を示す添付図面を参照して本発明を詳述する
。Next, the present invention will be described in detail with reference to the accompanying drawings showing an example of a twistless spinning machine used to carry out the manufacturing method of the present invention.
最初に芯糸が鞘部用不連続繊維束形成用牽切延伸装置の
フロントローラの上流側から供給される場合を第１図を
参照して説明する。First, the case where the core yarn is supplied from the upstream side of the front roller of the tension-cutting stretching device for forming the discontinuous fiber bundle for the sheath will be described with reference to FIG. 1.
第１図に示すように中空スピンドルを具備した無撚精紡
機は、クリール部、牽切延伸部、中空スピンドル部、フ
ィード部、ワインディング部から構成される。芯糸とな
る、強力連続繊維８はテンション装置１３、ガイドロー
ラ７番経てフロントローラ３に供給され、フロントロー
ラより送り出されて中空スピンドル４に導かれる。次に
鞘部をなす耐炎・耐熱連続繊維束１２が牽切延伸部２の
バックローラ１に供給され、各ローラ間で牽切延伸を行
って不連続繊維束１１としてフロントローラ３から送り
出され中空スピンドル４に導かれる。As shown in FIG. 1, a twistless spinning frame equipped with a hollow spindle is composed of a creel section, a tension cutting section, a hollow spindle section, a feed section, and a winding section. The strong continuous fiber 8, which becomes the core yarn, is supplied to the front roller 3 through the tension device 13 and guide roller No. 7, and is sent out from the front roller and guided to the hollow spindle 4. Next, the flame-resistant and heat-resistant continuous fiber bundle 12 forming the sheath is supplied to the back roller 1 of the tension-cutting stretching section 2, and tension-stretching is performed between each roller, and the discontinuous fiber bundle 11 is sent out from the front roller 3 into a hollow. guided by spindle 4.
次にバインダ１４に巻かれた押え糸５は中空スピンドル
４に装着され、中空スピンドル４と同一回転を受けなが
ら巻戻される押え糸５が、前記芯糸部と鞘部の２者から
成る繊維糸条束１０の周りに中空スピンドル４の回転に
よって捲きつけられて複合紡績糸となり、引出しローラ
６を経てワインダ一部９にチーズとして巻き取られる。Next, the presser thread 5 wound around the binder 14 is attached to the hollow spindle 4, and the presser thread 5 is unwound while undergoing the same rotation as the hollow spindle 4. The bundle 10 is wound around the bundle 10 by the rotation of the hollow spindle 4 to form a composite spun yarn, which is passed through the pull-out roller 6 and wound into the winder part 9 as cheese.
本発明の方法を実施するために用いられる精紡機は、中
空スピンドル精紡機に牽切延伸部２を設けることを特徴
とし、その結果耐炎・耐熱連続繊維束を牽切延伸して不
連続繊維束１１となし、その不連続繊維束１１の中央に
強力連続繊維糸条８をフロントローラ３より挿入して芯
糸となし、さらにこのように合された繊維糸条束１０の
表面に押え糸５を巻き付けて耐炎・耐熱複合糸を得るこ
とができる（第２図参照）。なお強力連続繊維として難
燃性繊維を用いればさらに好ましい。The spinning machine used to carry out the method of the present invention is characterized in that the hollow spindle spinning machine is provided with a tension-cutting stretching section 2, and as a result, the flame-resistant and heat-resistant continuous fiber bundle is stretched by tension-cutting to produce a discontinuous fiber bundle. 11, a strong continuous fiber yarn 8 is inserted into the center of the discontinuous fiber bundle 11 from the front roller 3 to serve as a core yarn, and a presser yarn 5 is then placed on the surface of the fiber yarn bundle 10 thus combined. A flame-resistant/heat-resistant composite yarn can be obtained by winding the fibers (see Figure 2). It is more preferable to use flame-retardant fibers as the strong continuous fibers.
前記方法を実施する際に、フロントローラ３の周速度：
ＦＲとガイドローラフの周速度：ＦＤに関し、ＦＤ／Ｐ
Ｒの値が１．０４〜１．１５の範囲になるように、すな
わち不連続繊維束１１が強力連続繊維糸条８に対して繊
維糸条束１０内でオーバーフィードになっているように
、芯糸は緊張下で供給される。更に押え糸５がラップす
る回数：ラッピング数についてはＴ＝α、 、／ｉ （
Ｔ ：ラッピング数、αＬ 二ラッピング係数、Ｎ：紡
出番手）の関係においてラッピング係数α、＝８０〜１
５０の範囲で紡出する。更に芯糸が占める紡績糸での重
量割合は、２５％以下とする。前記条件を満たすように
、紡を製造することができる。When carrying out the above method, the circumferential speed of the front roller 3:
FR and guide roller rough peripheral speed: Regarding FD, FD/P
so that the value of R is in the range of 1.04 to 1.15, that is, so that the discontinuous fiber bundle 11 is overfeeding in the fiber yarn bundle 10 with respect to the strong continuous fiber yarn 8, The core yarn is fed under tension. Furthermore, the number of times the presser thread 5 wraps: For the number of wrappings, T = α, , /i (
T: wrapping number, αL: wrapping coefficient, N: spinning count), wrapping coefficient α, = 80 to 1
Spin in the range of 50. Furthermore, the weight ratio of the core yarn in the spun yarn is 25% or less. The textile can be manufactured so as to satisfy the above conditions.
次に前記牽切延伸装置の下流側且つ前記中空スピンドル
との間に一対のデリベリローラを設け、芯糸が前記デリ
ベリローラの上流側から供給される場合を第３図を参照
して説明する。Next, a case will be described with reference to FIG. 3 in which a pair of delivery rollers are provided downstream of the tension-cutting stretching device and between the hollow spindle and the core yarn is supplied from the upstream side of the delivery rollers.
第３図に示した精紡機は牽切延伸部２の下流側に一対の
デリベリローラ２０を設けであることのみ第１図に示し
た精紡機と異る。第３図に示した精紡機では牽切延伸部
２のフロントローラ３から送出された不連続繊維束は区
域２１において無緊張状態に近い極く僅かなドラフトを
受けながらデリベリローラ２０を経て、中空スピンドル
４に導かれる。芯糸となる強力連続繊維糸条８は第１図
の精紡機の場合と同様にテンション装置１３、ガイドロ
ーラ７を経て、その上でデリベリローラ２０に供給され
、次いで中空スピンドル４に導かれる。次いでバインダ
１４上の押え糸５が前記芯糸部と鞘部の２者から成る繊
維糸条束１０の周りに捲きついて複合紡績糸が形成され
、引出しローラ６を経てワインダ部９にチーズとして巻
き取られる。第３図に示した精紡機では牽切延伸部２が
芯糸の供給とは分離して設けられているので、連続繊維
束１２の牽切延伸を確実に行うことができ、ひいては良
質な複合紡績糸を製造することができる。The spinning machine shown in FIG. 3 differs from the spinning machine shown in FIG. 1 only in that a pair of delivery rollers 20 are provided on the downstream side of the tension cutting and stretching section 2. In the spinning machine shown in FIG. 3, the discontinuous fiber bundle sent out from the front roller 3 of the tension drawing section 2 passes through the delivery roller 20 while receiving a very slight draft in a zone 21, which is close to a non-tensioned state, and then passes through the hollow spindle. 4. The strong continuous fiber yarn 8 serving as the core yarn passes through a tension device 13 and a guide roller 7, as in the case of the spinning machine shown in FIG. Next, the pressing yarn 5 on the binder 14 is wound around the fiber yarn bundle 10 consisting of the core yarn part and the sheath part to form a composite spun yarn, which is passed through the pull-out roller 6 and wound in the winder part 9 as cheese. taken. In the spinning machine shown in FIG. 3, the tension-cutting stretching section 2 is provided separately from the core yarn supply, so that the continuous fiber bundle 12 can be reliably stretched, resulting in high-quality composite fibers. Spun yarn can be produced.
本発明による耐炎・耐熱複合紡績糸の製造方法は、従来
のリング精紡機を用いる場合のように、リング径によっ
て紡出番手の制約を受けずに、高効率の紡出が可能であ
る。更に本発明による耐炎・耐熱複合紡績糸は、優れた
強度を有し、具体的には安全ロープ、安全ネット、作業
服等の糸として有用に用いることができる。The method for producing a flame-resistant/heat-resistant composite spun yarn according to the present invention enables highly efficient spinning without being restricted by the spinning count depending on the ring diameter, unlike when using a conventional ring spinning machine. Furthermore, the flame-resistant/heat-resistant composite spun yarn according to the present invention has excellent strength and can be usefully used as yarn for safety ropes, safety nets, work clothes, etc.
以下実施例について説明するが本発明がこの実施例によ
って限定されるものではない。Examples will be described below, but the present invention is not limited to these examples.
−１，２および３
芯糸として、芳香族ポリアミド系マルチフィラメン）
２００ｄ／１３４ｆ、鞘糸として炭素含有率６０重量％
を有するアクリル系耐炎・耐熱連続繊維１１．４００Ｄ
（単繊維デニール１．３ｄ）、押え糸として耐炎・耐
熱紡績糸Ｉ／１７メートル番手を用いて第１図に示した
装置によって製造条件を変えた３種類の耐炎・耐熱複合
紡績糸を紡出した（実施例１．２および３）。-1, 2 and 3 Aromatic polyamide multifilamen as core yarn)
200d/134f, carbon content 60% by weight as sheath yarn
Acrylic flame-resistant/heat-resistant continuous fiber with 11.400D
(single fiber denier 1.3d), flame-resistant/heat-resistant spun yarn I/17 meter count was used as the presser yarn, and three types of flame-resistant/heat-resistant composite spun yarns were spun using the equipment shown in Figure 1 under different manufacturing conditions. (Examples 1.2 and 3).
比較例として前述の原料と同じ原料すなわちアクリル系
耐炎・耐熱繊維１．５ｄを用いて下記条件でリング精紡
機を用いて紡績糸を用意した。As a comparative example, a spun yarn was prepared using the same raw material as described above, that is, 1.5 d of acrylic flame-resistant/heat-resistant fiber, using a ring spinning machine under the following conditions.
ドラフト：８．９倍
スピンドル回転数： ３０００ｒ、ｐ、ｍ紡出番手：１
／４．５メートル番手
実施例１．２および３の本発明による耐炎・耐熱複合紡
績糸と比較例の紡績糸について強力の測定と芯糸露出度
を測定評価した。Draft: 8.9 times Spindle rotation speed: 3000r, p, m Spinning count: 1
/4.5 meter Count The flame-resistant/heat-resistant composite spun yarns according to the present invention of Examples 1.2 and 3 and the spun yarn of the comparative example were evaluated by measuring the strength and the degree of core yarn exposure.
芯糸露出度の評価方法は、それぞれの試料を一定長１０
メートル取り、黒色パネルに等間隔に巻き芯糸が紡績糸
の表面に露出している個数をカウントし１メ一トル当り
に換算し評価した。The method for evaluating the degree of core thread exposure is to cut each sample into a fixed length of 10
The yarn was taken by meter, wound at equal intervals on a black panel, and the number of core yarns exposed on the surface of the spun yarn was counted and evaluated by converting it into 1 meter.
■実施例１
この実施例では鞘糸の芯糸に対するオーバーフィード率
の影響を調べるために下記の条件で本発明による紡績糸
を紡出した。Example 1 In this example, a spun yarn according to the present invention was spun under the following conditions in order to examine the influence of the overfeed rate of the sheath yarn on the core yarn.
ドラフト延伸牽切：８．９倍
中空スピンドル回転数： １（ＬＯＯＯｒ、ｐ、ｍラッ
ピング係数α、：１１０
オーバーフィード率？ ０．９ 、１．０４ 、１．０
８ 、１．１０ 。Draft stretching tension cut: 8.9 times Hollow spindle rotation speed: 1 (LOOOr, p, m wrapping coefficient α,: 110 Overfeed rate? 0.9, 1.04, 1.0
8, 1.10.
１．１５
紡出番手：１／４．５メートル番手
比較例のリング精紡機による紡績糸の撚係数αも同様に
１１０とした。1.15 Spinning count: 1/4.5 meter The twist coefficient α of the yarn spun by the ring spinning machine of the comparative example was also set to 110.
実施例１と比較例の紡績糸の強力（紡出番手に強力を乗
じた値で表わされる番手性力積で示す）と芯糸露出度を
測定し、得られた結果を第１表に示す。The tenacity of the spun yarns of Example 1 and Comparative Example (indicated by count impulse, which is expressed as the value obtained by multiplying the spun count by the tenacity) and the degree of core yarn exposure were measured, and the obtained results are shown in Table 1. .
第１表
第１表に示す如く、オーバーフィード率によって、耐炎
・耐熱複合紡績糸の強力には、有意差はない。しかしな
がら、ランプ状況、すなわち芯糸が複合紡績糸の表面に
露出するか否かに大きく影響していることを見い出され
、したがって好ましいオーバーフィード率は１．０４〜
１．１５％である。As shown in Table 1, there is no significant difference in the strength of the flame-resistant/heat-resistant composite spun yarn depending on the overfeed rate. However, it has been found that the ramp condition, that is, whether or not the core yarn is exposed to the surface of the composite spun yarn, has a large influence, and therefore the preferred overfeed ratio is 1.04~
It is 1.15%.
■実施例２ この実施例では押え糸のラッピング係数のα。■Example 2 In this example, α is the wrapping coefficient of the presser thread.
の影響を調べるために下記の条件で本発明による紡績糸
を紡出した。The spun yarn according to the present invention was spun under the following conditions in order to investigate the influence of
ドラフト延伸牽切：８．９倍
中空スピンドル回転数： １０．００Ｏｒ、ｐ、ｍオー
バーフィード率： １．１０
ラッピング係数αＬ ： ６０ 、８０ 、１００，
１２０，１５０゜紡出番手：１／４．５メートル番手
比較例のリング精紡機による紡績糸の撚係数αも同様に
変えて紡出した。Draft stretching tension cut: 8.9 times Hollow spindle rotation speed: 10.00 Or, p, m Overfeed rate: 1.10 Wrapping coefficient αL: 60, 80, 100,
120, 150° Spinning count: 1/4.5 meter The twist coefficient α of the yarn spun by the ring spinning machine of the comparative example was also changed in the same manner.
実施例２と比較例の紡績糸の強力と芯糸露出度を測定し
、得られた結果を第２表に示す。The strength and degree of core thread exposure of the spun yarns of Example 2 and Comparative Example were measured, and the results are shown in Table 2.
第２表
第２表に示す如く、ラッピング係数α、＝６０では芯糸
露出度は悪くなり、芯糸が複合紡績糸の表面に露出する
。ラッピング係数：α１＝８０〜１５０までは、良好な
ラップ状態を示すと共に、強力がほとんど低下しない複
合紡績糸が得られる。ラッピング係数：α、＝１７０で
は、複合紡績糸の強力低下が有るのに合せ、複合紡績糸
の目面が見劣り商品価値が全くなくなる。更に、この場
合強いトルクが発生し、編成、及び織布加工が困難であ
る。Table 2 As shown in Table 2, when the wrapping coefficient α=60, the degree of exposure of the core yarn becomes poor, and the core yarn is exposed on the surface of the composite spun yarn. When the wrapping coefficient is α1 = 80 to 150, a composite spun yarn is obtained which exhibits a good wrapping condition and has almost no decrease in strength. When the wrapping coefficient is α=170, the strength of the composite spun yarn decreases, and the surface of the composite spun yarn becomes poor, resulting in no commercial value at all. Furthermore, in this case, strong torque is generated, making knitting and fabric processing difficult.
この強いトルクは、１００℃スチームセットを施しても
完全にはなくならないものであった。This strong torque could not be completely eliminated even when steam set at 100°C.
したがって好ましいラッピング係数は８０〜１５０であ
る。Therefore, a preferable wrapping coefficient is 80-150.
比較例では撚係数の如何を間はず芯糸が露出し実用上問
題がある。In the comparative example, the twist coefficient was changed and the core yarn was exposed, which caused a practical problem.
◎実施例３
この実施例ではドラフト延伸牽切の倍率を下記のように
変えることにより紡出番手を変え、それによって芯糸入
れ率を変えて本発明による紡績糸を紡出した。◎Example 3 In this example, the spun yarn according to the present invention was spun by changing the draft stretching ratio as shown below to change the spinning count and thereby changing the core thread insertion rate.
ドラフト延伸牽切： ８．９ 、１７．８ 、２２．
２ 、２６．７倍紡出番手： １／４．５ 、１／９
、１／１１，２゜１ ／１３．５メートル番手
中空スピンドル回転数： １０．００Ｏｒ、ｐ０ｍオー
バーフィード率： １．１０
ラッピング係数： １１０
実施例３の紡績糸の芯糸露出度を測定し、その結果を第
３表に示す。Draft stretch tension cut: 8.9, 17.8, 22.
2, 26.7 times spinning count: 1/4.5, 1/9
, 1/11,2゜1/13.5 meter count hollow spindle rotation speed: 10.00 Or, p0m overfeed rate: 1.10 wrapping coefficient: 110 The degree of core yarn exposure of the spun yarn of Example 3 was measured, The results are shown in Table 3.
第３表
第３表に示す如く、芯糸が複合紡績糸の２５重量％以下
でなければ芯糸が複合紡績糸の表面に露出する。すなわ
ち、鞘部、押え糸によって完全に芯部を包み込めないこ
とが判明した。Table 3 As shown in Table 3, unless the core yarn is less than 25% by weight of the composite spun yarn, the core yarn will be exposed on the surface of the composite spun yarn. That is, it was found that the core part could not be completely wrapped by the sheath part and the presser thread.
これに対して撚係数αＬ：１００で紡出した比較例のリ
ング精紡機による糸は、たとえ芯入れ率を５重量％に下
げたものでも芯糸を鞘部が完全に包み込めない複合紡績
糸であった。その理由として、リング精紡機を用いて紡
出すると、リング、トラベラの回転で糸を振り廻しその
遠心力で芯部が飛び出す。すなわち芯糸の比重、伸度の
影響を受けやすいからと考えられる。又この複合紡績糸
の強力は実撚が掛かることによって低下するという問題
があり、前記芯糸露出の問題と合せて耐炎・耐熱複合紡
績糸として満足出来るものではなかった。On the other hand, the comparative yarn spun using a ring spinning machine with a twist coefficient αL of 100 is a composite spun yarn in which the sheath cannot completely wrap the core yarn even if the core insertion rate is lowered to 5% by weight. Met. The reason for this is that when spinning using a ring spinning machine, the thread is swung around by the rotation of the ring and traveler, and the centrifugal force causes the core to pop out. In other words, it is thought that this is because it is easily influenced by the specific gravity and elongation of the core yarn. Furthermore, there is a problem in that the strength of this composite spun yarn decreases due to actual twisting, and together with the above-mentioned problem of exposed core yarn, it is not satisfactory as a flame-resistant and heat-resistant composite spun yarn.
■実施例４
第１図に示した精紡機と第３図に示した精紡機を用いて
芯糸と芯糸の挿入位置とを変えて複合紡績糸を紡出し、
芯糸の挿入位置の差による連続繊維束の牽切延伸処理に
対する影響を調べた。■Example 4 Using the spinning machine shown in Fig. 1 and the spinning machine shown in Fig. 3, a composite spun yarn was spun by changing the core yarn and the inserting position of the core yarn.
The influence of the difference in the insertion position of the core yarn on the tension-cutting drawing process of continuous fiber bundles was investigated.
芯糸としてその太さや形状を変えた下記４種類の糸を用
意した。The following four types of threads with different thicknesses and shapes were prepared as core threads.
Ａ、芳香族ポリアミド系マルチフィラメント２００ｄ／
１３４ｆ
Ｂ、芳香族ポリアミド系マルチフィラメント１５００ｄ
／１０００ｆ
Ｃ，ガラス繊維６００ｄマルチフィラメント２本にＳ撚
１２０Ｔ／＊の加熱をしだ糸条
り、ポリアセクール製直径０．５ｆｉ線材、鞘部用とし
て炭素含有率６０重量％を有するアクリル系耐炎・耐熱
連続繊維２２．８００Ｄ （単繊維デニール１．３ｄ）
、押え糸として耐炎・耐熱紡績糸ｌ／１７メートル番手
を用い、牽切ドラフトは５倍とした。A, aromatic polyamide multifilament 200d/
134f B, aromatic polyamide multifilament 1500d
/1000f C, two 600d glass fiber multifilaments heated to S twist 120T/*, polysecure wire with a diameter of 0.5fi, and acrylic flame-resistant material with a carbon content of 60% by weight for the sheath. Heat-resistant continuous fiber 22.800D (single fiber denier 1.3d)
A flame-resistant/heat-resistant spun yarn 1/17 meter count was used as the presser yarn, and the draft was set to 5 times.
先ず第１図に示した精紡機で芯糸を供給せずに連続繊維
束の牽切延伸を行った処、非常に安定した牽切を行うこ
とができた。次にフロントローラ３の上流から前記４種
類の芯糸を供給しながら連続繊維束の牽切延伸を行った
処、芯糸Ａ又は芯糸Ｂを用いる場合には連続繊維束の牽
切性に何等影響無く安定した牽切を行うことができたが
、芯糸Ｃ又は芯糸りを用いる場合には、連続繊維束の牽
切を行うことができなかった。First, when a continuous fiber bundle was drawn by tension cutting using the spinning machine shown in FIG. 1 without supplying a core yarn, it was possible to perform very stable tension cutting. Next, while supplying the four types of core yarns from the upstream of the front roller 3, the continuous fiber bundle was subjected to tension cutting. Although it was possible to perform stable tension cutting without any adverse effects, it was not possible to perform tension cutting of the continuous fiber bundle when using core thread C or core thread thread.
次に第３図に示した精紡機を用いてデリベリローラ２０
の上流に前記４種類の芯糸をそれぞれ供給しながら連続
繊維束の牽切延伸を行った処、芯糸の種類に関係なく、
非常に安定した牽切を行うことができ、得られた複合紡
績糸では、芯糸部が鞘部によって完全に包み込まれてい
た。Next, using the spinning machine shown in Fig. 3, the delivery roller 20 is
When the continuous fiber bundle was stretched and stretched while supplying each of the four types of core yarn upstream of the core yarn, regardless of the type of core yarn,
Very stable tension cutting could be performed, and in the resulting composite spun yarn, the core yarn portion was completely wrapped by the sheath portion.
本発明による耐炎・耐熱複合紡績糸の製造方法は前述の
ように構成されているので、芯糸が完全に鞘部、押え糸
で包み込まれた高強力を有する耐炎・耐熱複合紡績糸を
容易に得ることが出来る。Since the method for producing a flame-resistant/heat-resistant composite spun yarn according to the present invention is configured as described above, it is possible to easily produce a flame-resistant/heat-resistant composite spun yarn with high strength in which the core yarn is completely wrapped in the sheath and presser yarn. You can get it.
更に又、無撚精紡機に耐炎・耐熱連続繊維を供給するこ
とにより従来法のように粗糸を作る紡績工程を全く必要
とせず、紡績コストが大巾にダウンすることが出来る。Furthermore, by supplying flame-resistant and heat-resistant continuous fibers to the no-twist spinning machine, there is no need for a spinning process to produce rovings as in the conventional method, and the spinning cost can be significantly reduced.
又中空スピンドルを具備した無撚精紡機の有する高生産
性、ラージパッケージ化、任意の太さの紡出番手を紡績
することができるという利点を利用することができる。Further, it is possible to utilize the advantages of a twistless spinning frame equipped with a hollow spindle, such as high productivity, large packaging, and the ability to spin yarns of arbitrary thickness.
又芯糸の挿入を牽切延伸部とは分離した区域で挿入すれ
ば用いられる芯糸の種類の如何を間はず、連続繊維束の
安定した牽切延伸を行うことができる。Furthermore, if the core yarn is inserted in a region separate from the stretch-cut stretching section, stable stretch-stretching of the continuous fiber bundle can be performed without changing the type of core yarn used.
第１図は本発明の製造方法を実施するための装置の一例
を示す略示側面図である。第２図、耐炎・耐熱複合紡績
糸の一実施例の糸形態を示す正面図。
第３図は本発明の製造方法を実施するための装置の他の
例を示す略示側面図である。
１・・・バックローラ、 ２・・・ドラフト牽切延伸
部、３・・・フロントローラ、４・・・中空スピンドル
、５・・・押え糸、 ６・・・引出しローラ、
７・・・ガイドローラ、
８・・・芯糸（強力連続繊維糸条）、
９・・・ワインダ部、
１０・・・耐炎・耐熱不連続繊維束と強力連続繊維糸条
が合さった繊維束、
１１・・・耐炎・耐熱不達Ｖｔｔａ維糸条束、１２・・
・耐炎・耐熱連続繊維束、
１３・・・テンション装置、
１４・・・バインダ、 ２０・・・デリベリローラ
。FIG. 1 is a schematic side view showing an example of an apparatus for carrying out the manufacturing method of the present invention. FIG. 2 is a front view showing the yarn form of an example of flame-resistant/heat-resistant composite spun yarn. FIG. 3 is a schematic side view showing another example of the apparatus for carrying out the manufacturing method of the present invention. DESCRIPTION OF SYMBOLS 1...Back roller, 2...Draft drag-cut stretching section, 3...Front roller, 4...Hollow spindle, 5...Pressure thread, 6...Pull-out roller,
7... Guide roller, 8... Core thread (strong continuous fiber thread), 9... Winder section, 10... Fiber bundle in which a flame-resistant/heat-resistant discontinuous fiber bundle and a strong continuous fiber thread are combined , 11...Flame resistance/heat resistance failure Vtta fiber bundle, 12...
・Flame-resistant/heat-resistant continuous fiber bundle, 13... Tension device, 14... Binder, 20... Delivery roller.
Claims (1)
紡機を用いて、耐炎・耐熱鞘芯複合紡績糸を製造するに
際し、強度２．５ｇ／ｄ以下、伸度２５％の単繊維性能
を有し、且つトータルデニール３．０万Ｄ以下の耐炎耐
熱連続無撚無捲縮繊維束を一段で牽切延伸して鞘部用不
連続繊維束を形成し、該鞘部用不連続繊維束に芯部用の
高強度機能を有する連続繊維糸条を供給して繊維糸条束
となし、次いで該繊維糸条束を前記中空スピンドルに供
給して、回転中の中空スピンドルに嵌着されたバインダ
から送出される耐炎・耐熱糸条でラッピングする鞘芯複
合紡績糸の製造方法であって、その際のラッピング係数
（α＿Ｌ）が８０〜１５０の範囲であり、鞘部の芯糸部
に対するオーバーフィード率が１．０４〜１．１５の範
囲であり、芯糸挿入率が２５重量％以下であることを特
徴とする鞘芯複合紡績糸の製造方法。 ２、前記芯糸部用の連続繊維糸条を、緊張下で、前記鞘
部用不連続繊維束形成用牽切延伸装置のフロントローラ
の上流側から前記不連続繊維束に供給することを特徴と
する特許請求の範囲第１項記載の製造方法。 ３、前記鞘部用不連続繊維束形成用牽切延伸装置の下流
側且つ前記中空スピンドルとの間に一対のデリベリロー
ラを設け、該デリベリローラの上流側から前記芯糸部用
の連続繊維糸条を緊張下で前記鞘部用不連続繊維束に供
給することを特徴とする特許請求の範囲第１項記載の製
造方法。[Claims] 1. When producing flame-resistant and heat-resistant sheath-core composite spun yarn using a twistless spinning machine comprising a tension-cutting drawing device and a hollow spindle, the strength is 2.5 g/d or less and the elongation is A flame-resistant, heat-resistant, continuous, untwisted, uncrimped fiber bundle having a single fiber performance of 25% and a total denier of 30,000 D or less is stretched in one step to form a discontinuous fiber bundle for the sheath portion. A continuous fiber yarn having a high strength function for the core portion is supplied to the discontinuous fiber bundle for the sheath portion to form a fiber yarn bundle, and then the fiber yarn bundle is supplied to the hollow spindle to rotate. A method for producing a sheath-core composite spun yarn in which the wrapping coefficient (α_L) is in the range of 80 to 150, and the wrapping coefficient (α_L) is in the range of 80 to 150. A method for producing a sheath-core composite spun yarn, characterized in that the overfeed ratio of the core yarn to the core yarn is in the range of 1.04 to 1.15, and the core yarn insertion rate is 25% by weight or less. 2. The continuous fiber yarn for the core yarn section is supplied under tension to the discontinuous fiber bundle from the upstream side of the front roller of the tension-cutting stretching device for forming the discontinuous fiber bundle for the sheath section. A manufacturing method according to claim 1. 3. A pair of delivery rollers is provided on the downstream side of the tension-cutting stretching device for forming the discontinuous fiber bundle for the sheath portion and between the hollow spindle, and the continuous fiber yarn for the core yarn portion is provided from the upstream side of the delivery roller. 2. The manufacturing method according to claim 1, wherein the discontinuous fiber bundle for the sheath portion is supplied under tension.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61-241449 | 1986-10-13 | ||
| JP24144986 | 1986-10-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63227820A true JPS63227820A (en) | 1988-09-22 |
| JPH0814045B2 JPH0814045B2 (en) | 1996-02-14 |
Family
ID=17074472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7967187A Expired - Lifetime JPH0814045B2 (en) | 1986-10-13 | 1987-04-02 | Method for manufacturing fire resistant / heat resistant composite spun yarn |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0814045B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2796525A1 (en) * | 1999-07-23 | 2001-01-26 | Ncv Ind | FABRIC HAVING A CERTAIN ELASTICITY AND SUITABLE FOR USE FOR MAKING CLOTHING TO PROTECT AGAINST FIRE OR THE RISKS OF INDUSTRIAL HEAT |
| ES2156498A1 (en) * | 1998-09-07 | 2001-06-16 | Solteulat S L | Textile fabric production consists of using two different types of yarns in any of three arrangements, for dyeing and finishing |
| CN114657669A (en) * | 2022-03-28 | 2022-06-24 | 杭州永昌锦纶有限公司 | Composite high-strength fiber production system based on chinlon of various specifications and control method |
-
1987
- 1987-04-02 JP JP7967187A patent/JPH0814045B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2156498A1 (en) * | 1998-09-07 | 2001-06-16 | Solteulat S L | Textile fabric production consists of using two different types of yarns in any of three arrangements, for dyeing and finishing |
| FR2796525A1 (en) * | 1999-07-23 | 2001-01-26 | Ncv Ind | FABRIC HAVING A CERTAIN ELASTICITY AND SUITABLE FOR USE FOR MAKING CLOTHING TO PROTECT AGAINST FIRE OR THE RISKS OF INDUSTRIAL HEAT |
| EP1072703A1 (en) * | 1999-07-23 | 2001-01-31 | NCV Industries | Woven fabric with certain elasticity and capable for making fire-proof or industry heat protecting garments |
| CN114657669A (en) * | 2022-03-28 | 2022-06-24 | 杭州永昌锦纶有限公司 | Composite high-strength fiber production system based on chinlon of various specifications and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0814045B2 (en) | 1996-02-14 |
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