JPS58109645A - False twisted processed yarn and production thereof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a composite material having a slab obtained by winding another yarn (wrapped yarn) around the yarn undergoing false twisting in the heating section of false twisting or false twisting and crimp processing. Processed yarn (fancy yarn)
When some or most of the slabs are made into a quintuple-wound structure, it is possible to obtain a false-twisted yarn that has a very large fancy effect and a difference in thickness, which is not seen in conventional &* processed composite yarns. It is something.

BACKGROUND ART Conventionally, there is a composite processed yarn that uses false twisting and has alternately single-wound portions and triple-wound portions in the yarn length O. (4
However, the biggest drawback of the threads obtained by these methods is that the upper limit of the number of windings is limited to a triple-wound structure, so the thick-to-thin ratio becomes constant, making it difficult to use artificial The fibers had a stronger effect, and the fancy effect of the difference in thickness was weaker than that of natural fibers.

Here, the reason why the upper limit of the number of windings is limited to three is mainly because the supply system has 7 flat yarns (FLAT YAR).
N') further depends on ensuring the ease of handling of the yarn in the subsequent steps, ie, 11 weaving and 1 knitting. In the above method, it is of course possible to form a multi-layer winding part of 5 or more layers in the false twist heating section, but in this case, after the untwisting step, the outermost layer of yarn becomes in a flowering state and weaving preparation process II! In fact, it is difficult to use because the outermost layer yarn shifts due to straining when passing through a reed during weaving or when guiding the yarn during winding 9 knitting in the uneven preparation factory, causing yarn breakage or machine stoppage, and undesirably lowering the saline efficiency. Tonanaka - 0 Koyo 5 The conventional slab structure is limited to a triple spiral structure, so the slab form becomes cylindrical and has a strong artificial feel, with a spindle form that is more similar to natural fiber MK. It is extremely difficult to manufacture slabs, so a fancier pongee-like pre-burned yarn with a large difference in thickness could not be desired.

The object of the present invention is to have a spindle-shaped slab similar to that of natural fibers by using synthetic or semi-synthetic filament yarn, and to expand the width of change in the thickness of the slab, thereby producing a fancier thickening effect. An object of the present invention is to provide a method for producing a false twisted composite yarn K whose handling properties in subsequent processes are significantly improved.

As a result of various studies aimed at achieving the above object, the present inventors have found that by using a filament yarn as a wound yarn with a high friction coefficient or a fastener effect, a stable and spindle-shaped yarn can be created. The inventors have discovered that a five-fold wrapped portion can be obtained, and have arrived at the present invention.

Thus, according to the invention: (1) At least one of the constituent threads is a loop.

False-twisted yarn with thick/fine differences obtained by simultaneously subjecting multiple multifilament yarns, which are filament yarns with curls or fuzz, to temporary '#11 (or false twist crimp) processing. One of the yarns is relatively straight to form the core, and the other filament yarn has the following loops, curls, or fluff in the core, each having a K1 weight.

False-twisted processed yarn (21 false-twisted yarn) characterized in that the structure of the five-fold part is held by loops, curls, or intertwining of the fluff pieces or by a fastener effect. In the simultaneous supply false twisting method in which yarn (2) in I! is wrapped around another yarn [) using its rotational force, a loop, curled yarn or fluffy yarn is used as the yarn (6), and The circumference W of the thread (4) on the thread (2) of the thread (I)
i is a single spiral part.

The manufacturing method of false twisted yarn involves winding the yarn so as to form the triple spiral part and the 5-fold spiral part individually. According to the definition, 5° delivery roller (speed 119 s4
), and the yarn is wound around the rotating guide kt times.At that time, the yarn entering the rotating guide and the yarn exiting from the guide are twisted together by 1K1m1 and run, and then taken off. At this time, the tension of the yarn before the guide is 'T
He Calculate the tension after the guide as T, as =2.

T.

To further explain this, in the present invention, by increasing the inter-yarn friction coefficient of the wound yarn to a certain level or more (described later, it is expressed as an index of 25 or more, specific examples are yarns having loops, curls, and fluff). Even if the winding structure of 5 or more layers formed in the false twisting heating section is subjected to a rotational force in the opposite direction to the winding at the twisting point and the untwisting point in the spindle section, the yarn in the outermost layer will not separate. There is no such thing as a flowering state,
Therefore, the weaving preparation process, 11 Weaver I! .

Alternatively, it has been found that even when subjected to a twisting action in the knitting step 9 of the knitting preparation step, the wound threads of the outermost layer do not shift and a good weaving property can be obtained.

FIG. 1 is a side view of a false twisted yarn according to the present invention, in which yarn B (wrapped yarn) is arranged around yarn A (core yarn) arranged in a relatively straight line. Wrapped in various thicknesses. Here, 嶌 means a single wrapping part, a lice means a triple wrapping part, and a 嶌 means a quintuple wrapping part. In particular, as shown in the figure, the 嶌 means that the thread is further left over both ends of the triple wrapping part. The strip B takes the form of a double wrap.

This is because while the normal triple-wound part W exhibits a cylindrical slab effect, there are vines at both ends of the shank, followed by W, so visually the five-wrap part looks like a spindle. It looks like K
Become.

In addition, the individual lengths of the W9 child and the shim in the longitudinal direction are &, 4, respectively.
．． 4, and unless special processing conditions are adopted, these are preferably formed so as to satisfy the relationship ``mm''.

In this case, the actual frequency of occurrence is at least 1 piece of processed yarn Itn, and in terms of percentage, the number of pieces and the number of pieces (in this case, the unit length is 4, and the piece is 1 piece) It is preferable that % occupies so4 or more with respect to the total sum.

In this type of processed yarn, the changes in length between Wl, WJ, and W are different from those in the past, but due to the coexistence of Ima and W, changes in thickness and differences in shape between Peng and I are different. This creates a very natural fancy effect.

Here, the reason why the thread actually exists is that in the present invention, a thread with a high friction coefficient between the threads is used as the winding thread of the thread B, and therefore, for example, 3
It is presumed that the threads in contact with each other between the double section and the quadruple section, and between the quadruple section and the quintuple section are firmly held together by frictional force. In particular, when yarn B has loops, slack, curls, or fluff, and the coefficient of friction is higher than K, W,
In the inside (of course, the same applies to the inside), loops, slack, curls,
The fluff entangles each other and holds the wound structure more firmly.

Next, the method for manufacturing such pre-combusted yarn will be explained with reference to FIG. 2. Diagram 2 is a route map showing an example of the process of carrying out the method of the present invention.
The material passes from the supply roller 4 to the heater 5 (not necessarily required) and reaches the false twisting spindle 6 where it is false twisted. On the other hand, filament yarn 2 having loops, curls or fuzz
is fed to the yarn arm during false twist rotation between the inlet end of the heater 5 and the supply roller 4, and at that time, it traverses intermittently as shown by the arrow, and depending on the number of traversals, it is triple or five times.
After being heat-set in this state, it is untwisted on spindle 6 and later, and then taken off. The cheese 10 is rolled up as cheese 10 through a guide 8.9. In such a process, when a flat yarn is used as the wrapping yarn as in the past, the wrapping yarn makes an irregular traversal movement in the running direction of the core yarn depending on the amount of overfeed, and the gap between the wrapping yarn and the core yarn is Tension and turning force are well balanced. This state usually occurs when the overfeed amount of the wound yarn is 80- or more, and it has been found that when the overfeed amount is over 80- or more, an S-shaped winding structure also occurs in the false-twisting heating section.

However, in the case of a slab with a six-fold structure obtained by using a 7 lattice yarn as a winding yarn and using a winding overfeed amount of 11 (1- or more), the outer layer immediately becomes like a flower due to the S-twisting action, causing problems in the laying process. In addition, frequent thread breakage is observed in yarn processing, making it extremely difficult to actually produce the yarn.This is because the conventional 7-rat yarn is used in the present invention, but the index specified for the wrapped yarn is as low as around L7. It was found that this was caused by.On the other hand.

As in the present invention, since the adhesive force between the yarns is large when the yarns have a friction coefficient in the range of 25 to 4, the type 5 winding structure is No blooming phenomenon occurs, and the desired processed yarn can be obtained. Specifically, the wrapped yarn is a bulky entangled yarn with loops and curls obtained by treating a flat yarn with a turbulent air jet, or a fluffy yarn obtained by rubbing a loop curled yarn with a friction body. Alternatively, spun yarn is suitable.

Incidentally, the index, which is a characteristic value of the wound yarn, is measured by the method shown in FIG. That is, the yarn Y is sent out from the sending roller 11 (speed 119% 15+) and wound once around the rotating guide 12, and at that time, the yarn enters the rotating guide,
The threads coming out of the guide are run in a state where they are completely aligned with each other once, and are taken off by the puller @a-two 12. At this time, the tension of the yarn before the guide 1 snow is T3, and the tension after the guide is the most important overfeed amount of the yarn with one turn (yarn 3) when carrying out the method of the present invention. In general, it is 8 times or more, preferably 11G- or more, k1m. Regarding the heating tension, generally a o s t/a・~os
It is sufficient if it is within the range of f/i・, and other heater temperatures may be selected as appropriate depending on the type of yarn, but usually 1
A temperature of 10°C or higher is appropriate. Furthermore, the number of false ridges may be varied depending on the well-known value in the field of a x □ (where - is the twist coefficient and D is the denier of the core yarn).

Furthermore, as for the processing method, not only the conventional overfeeding or false twisting under sushi retching, but also the in-do method using semi-drawn yarn or untwisted yarn as the core yarn. On the other hand, polyester, polyamide, or acetate is preferably used as the wrapping yarn 2, but the former two can be used regardless of whether it is a drawn yarn or a semi-drawn yarn.

As described above, according to the present invention, in the production of slub-like false twisted yarn using a false twisting process, high j
1! Since a filament yarn with a friction coefficient is used, it is possible to form a spindle-shaped quintuple winding part in addition to the conventional cylindrical triple winding part, so the slab pattern (length,
It is possible to provide a processed yarn that exhibits an extremely natural fancy effect (changes in period and thickness). Moreover, in the multiple wrapping section, the threads between each layer form a stable slab 1 due to frictional force or bonding effect with each other, so that the weaving preparation worker 1 resists various straining during the knitting process and its shape is As a result, the efficiency of weaving and weaving is significantly improved. Furthermore, it can be used as a wrapping thread for loops and curls.

When using a yarn with turret feathers, the texture is different from that of a yarn using flood yarn, and there is also the advantage that it has a texture similar to that of a spun yarn.

Example In the process shown in FIG.
II fil is also used as yarn 2, polyester (
Te)pn■)W multifilament yarn l5Od・/1
! fil to Taslan ■ Nozzle (Special Publication 41-41 @@
A loop yarn obtained by introducing under icto% superweed (described in Publication No. I) was used. This Taslan treatment was carried out continuously in front of the supply roller 3. The processing conditions at this time are as follows.

(11 [Twist Jl 111!IOT/m(Z) Wei) Yarn speed (take-off-1-t) its%4(3) Heating t-A
- Fee 4 -2% C heating 51 force a1 miya f/do) (4> Wound yarn oats (-feed 12・chi (5)
Heater temperature: 120°C (6) Taslan ■ Nozzle pressure: 4 sV-・G Meanwhile, in the above example, polyester (Tetron ■) multifilament is used as the wrapping thread! The same processing was carried out except that sOd/72 river was used in the form of a flat yarn without being subjected to Taslan ■ processing. (Comparative example) Table 1 (slab shape) and Table 2 (stability against ironing) regarding processed yarn properties obtained through these experiments Table 2 (Note) The evaluation method for stability against ironing is as follows:
When the sm compensator is adjusted, the yarn running at 100WV% between the am compensator and feed 112 has a 06 f/ii* and 1110 f/
The value mount Km o, which is the value obtained by multiplying the tension of do, is rolled up and a sensory evaluation is performed.

From the results of No. 1 to A natural pongee style effect is created by mixing the shape changes between the pieces, thickness changes, and length changes.

Moreover, since the W1 part according to the present invention is not affected by the l and doki during knitting and weaving, the characteristics of the processed yarn are reflected in the fabric as they are.

[Brief explanation of the drawing]

, 61 is the side showing the form of the temporary thread of the present invention. In FIG.
Length of shim, shim - triple wrapping part, 4-% length 1%...
5-fold winding part, 4... Length of 6-fold winding part in Fig. 2 [l... core thread, 2... winding thread, 3--feeding roller for winding thread 2, 4 -・Supply of core thread 1--Ra! - Heater, S- Spindle, 1- Take-up roller, s. 9.-Guide, 10.-Wrapped cheese. In the ts3 diagram, Y...Measurement yarn, 11--Feeding roller, 1--Rotation guide, 13--Take-off roller. Patent Applicant: Teijin Kasei Yarn Co., Ltd. 7171 Figure 2 Fig. 3

Claims (1)

[Scope of Claims] (1) A few of the constituent yarns (one of which is a loop. A plurality of ffk filament yarns, which are filament yarns with curls or fluff, are simultaneously temporary * (or temporary
1 m 11 shrinkage) is a false twisted yarn having a thick and thin difference obtained by processing, one of the yarns forms a core in a relatively straight state, and the other has the above-mentioned loops in the wrinkled core, A single layer of individual filament threads that are curly or fluffy. Triple! A false-twisted yarn characterized by IIK winding, in which the five-layer structure is held by loops, curls, or mutual entanglement of fluff. (The temporary processed yarn according to claim 1, wherein the number ratio of the 21811% wrapped portions to the entire multiple wrapped portions is 30 or more. (3) Single, triple and quintuple wrapped portions Each length of &
, M, M) satisfies the relationship M〉M〉M. (4) At least 1 5-fold wrapping part per 1 vn of false twisted yarn
The false-twisted yarn according to claim @1, which exists with a frequency of occurrence of 1 or more. The false twisted yarn according to claim 1, wherein @LJ- is 10 to SO. (6) A loop, a curled yarn or a fluffy yarn as a yarn in the simultaneous supply temporary combustion processing method in which the thread (4)K in the temporary combustion form 11 is used to wrap another yarn (provided) by using its rotational force. , and when the overfeed amount of the yarn (A) and the yarn (A) K is 8 or more, the supply point of the yarn (2) K is artificially or Randomly traverse the yarn (4) to create a single spikele S. A method for producing a false twisted yarn, which is characterized by winding the yarn so as to form a triple spiral portion and a quintuple spiral portion individually. a) The supplied yarn (6)! ! ! A method for producing a false twisted yarn according to claim 1, which has an index of -40101. (8) Filament (Claim I) where the intestine is given loops and curls by treatment with a turbulent jet!
A method for producing a false twisted yarn as described in ITS TECHNOLOGY. The method for producing a false twisted yarn according to claim 6 or 8, wherein the fuzz of yarn cB) is obtained by cutting loops and curls.