JPS5943143A - Production of bulky feather processed yarn - 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 relates to a method for producing a bulky fluffed yarn in which complex crimps and fluff are imparted to thermoplastic multifilament yarn.

Conventionally, as such processed yarn, hot (Qll {・l:.
-: t) Highly elastic crimped yarn obtained by false twisting 17 with a high number of false twists of vthifilament yarn, and 17 with a low number of false twists.
Naturally added IT: Strong torque and low elasticity obtained by L 8
1) High value 2) Processed yarn formed by twisting or fluid treatment of 1'I yarn is known, and has a different crimp effect 20\
: If'ii; l I・゛; It is well known that the twisted snarls generated in the crimped yarns create a soft and voluminous feel.

However, such processed yarns do not have the fluff characteristics unique to spun yarns, and therefore cannot be improved in terms of appearance and texture. The yarn is a core-sheath type composite processed yarn in which a high elasticity crimped yarn is used as the core yarn, a low elasticity crimped yarn is used as the swirl yarn, and the core yarn has cut fluff, and the same! li! ! The Hiroshi method has been proposed. Since the filaments of the core yarn and sheath yarn are not intertwined with each other in this type of processed yarn, the shape stability against the external force of the twisted snarl that occurs in the sheath yarn is poor, and therefore, the slight resistance to the external force of the twisted snarl generated in the sheath yarn is poor. 7. under tension. f
- The yarn is stretched, and the bulkiness of the yarn is not effectively realized during lifting. In addition, in the conventional method, the high-elasticity crimped yarn and the low-stretchability crimped yarn are individually packaged (after being crimped, they are rubbed and raised).

Since turning processing is performed on the gL, it not only requires a complicated machining process, but also has disadvantages such as slow machining speed and poor machining efficiency.

The present invention eliminates the drawbacks of these prior art techniques and provides an extremely novel method for easily and inexpensively producing high-fuzz textured yarn. , -.

In order to achieve the above object, the present invention is as follows (;4
1, that is, the present invention is a natural twisting device of
The J-plastic gusset filament yarn is made into a false twist crimp trap with a false twist number of 4[) to B()% of the false twist number showing a high elastic elongation rate, and the yarn is folded into a trap: / This is a method for producing a bulky fluffed yarn, which is characterized in that a part of the yarn is cut off, then the two yarns are continuously combined, subjected to fluid treatment, and then wound. More specifically, a high elasticity crimped yarn having a fine crimp and a low elasticity 1 mm tip yarn having a ↓IX crimp and cutting fluff are simultaneously processed on the same machine. After L7, the two threads are brought together by a small diaphragm [-7] [by fluid treatment].

Loop fluff is formed on the low elasticity crimped yarn, and the fabrics are tightly intertwined with each other. It is.

Here, the false twist number that shows a high expansion/contraction elongation rate is 1. The false twist number used in normal false twist and crimp processing is 9 formula゛r-・2゜5α×o+
'/v; (however, 9 T-false twist number T/M, D
= denier 9 α-1,0 to 1.5). The higher the number of false twists, the finer the crimp, the higher the elongation rate and bulkiness, and the lower the opening property between single filaments.On the other hand, the lower the number of false twists, the rougher the crimp and the higher the torque property. When the yarn is relaxed, each single filament tends to shunt, and many loop fluffs due to twisted snares ν are generated in each lit filament I.The present invention utilizes the characteristics of such false twisted yarn for TTJ. It is something to be relieved about.

As mentioned above, the method of the present invention has the combined effect of the loop fuzz and cut fuzz generated in the low stretch crimped yarn, and the combined effect of the high stretch crimped yarn and the low stretch crimped yarn. The aim is to obtain fluffed yarn having an extremely span-like appearance and feel by using the 4f1 power of the constriction effect. Therefore, in the present invention, it is important that the low-stretchability crimped yarn at ℃ is false-twisted and crimped at a false-twist number of 4 to 80% of the false-twist number that exhibits a high elastic elongation rate. , when it exceeds 80%, the crimp waveforms of the high-stretch crimped yarn and the low-stretch crimped yarn are similar, and l-rape fuzz occurs.

Furthermore, confounding properties are also reduced, resulting in the desired appearance.

I can't get the texture. On the other hand, if 4096 is rotated F, the crimpability is too low, resulting in a lack of volume and stiffness. That is, the present invention is produced by crimping a low-stretch, crimped yarn with a false twist number of 40 to 80% of the false twist number exhibiting a high stretch/elongation rate.

This makes it easier to prevent loops from occurring during fluid processing, and also to make intertwining of products easier or stronger. From this point of view, these effects can be greatly improved by using non-twisted or twisted yarn as the supply system.

The present invention is based on a false twisting device I+6I1. By making ffi different from each other, the two types of threads were processed simultaneously at 14 degrees, and 1i+I was processed continuously after fluid treatment.

In this case, due to simultaneous processing, the yellow color of the crimped culm (a) 7
Since different types of yarns can be obtained with the same yarn length, the object of the present invention can be achieved in a single yarn process without any waste.
Qgiru. When performing fluid treatment after winding a high-stretch crimped yarn and a low-stretch crimped yarn into separate packages, package the low-stretch crimped yarn with cut hairs 1). Due to poor thread unwinding properties and generation of snarls during thread disassembly, etc. It has disadvantages such as poor quality (which causes the occurrence of defective yarns, which in turn leads to a decline in product quality.) There are several ways to vary the number of twists in a false twisting device.For example, A method of lowering the number of false twists F' by alternately arranging spindles/I/devices d with large outer diameters.

(Two types of spindle devices with different surface speeds of the NWA disks that rotate the phantom spin 1° are arranged alternately to reduce the number of false twists of the spindle device that has a disk with a small surface speed (that is, a small A diameter) ■Using a friction-type false twisting device, the diameter and material of the twisting disk + K
'(F The contact of the thread against the disk, the tension cuff =
Specific methods (implementation 1) include a method of varying the number of twists for every other false-twisting device, and a method of alternately arranging two spindle-type false-twisting devices and a rubbing-type false-twisting device.

In the present invention, one important point for -C9f is that the aforementioned low elasticity ↑+b curly yarn is brought into contact with the m-over body at the temporary pasting stage, and the cut fuzz is removed by I, IJj, -J-. 1. Is the fluff the aforementioned Rogue? 1] gives the processed yarn a spun-like appearance (; By the fluid treatment described below, the yarn is entangled with highly elastic crimped yarns that do not generate cut fuzz, so the resulting processed yarn has extremely high strength despite having cut fuzz. , In terms of a false-twisting heating zone, an untwisting, a 7'-on, or a false-twisting device is equipped with a scraping body such as a blade cover (7) or a rough rI'Ii body (1), and the rubbing body is This can be easily carried out by bringing the yarn into contact with the twisting disk.
When using the incorporated M81 type false twisting device, the yarn threading operation is 15) simple, there is no yarn breakage during processing, and extremely good workability is exhibited.

Furthermore, the equipment can be simplified, and the effect can be obtained.

The present invention simultaneously generates loop fluff and cut fluff in a low elongation Flti crimped yarn through fluid treatment.

The aim is to fix the fluff by providing strong entanglement with each other. The fluid treatment.

This is carried out using commonly used interlace nozzles or Kusulan nozzles.

In this case, the most preferable embodiment is that no loops are formed in the highly stretchable crimped yarn, but there is no problem even if some loops are formed. 5. When a large number of loops are generated in the highly elastic crimped yarn, the bursy and rough hard feeling increases.5. A favorable texture was not obtained.

In the present invention, thermo-r+1 plastic multi-filament yarn is used for both the high-stretch and low-stretch yarn; , or drawn yarn can be used. Also, if it meets the purpose of the present invention.

,,q i, t, ,i+ may be any yarn fineness, cross-sectional shape, heat shrinkage rate, elongation, puiramen 1-number, etc., and r) mixed yarns with different properties, as well as same or different IJQ, It is also possible to use two or more Yfls in parallel.

Next, the present invention will be explained in more detail with reference to Examples. <Explain.

Example 1 Using a commercially available false twisting machine (Mitsubishi 5T-6), the friction disks (normal specification 61φ) for rotating the spindle were replaced with 4αφ ones for every other twisting device, and the friction disks of 41φ Front part of the twisting device (between spindle and heater)
A rotary tuberosity is provided on the.

Normal specification: spindle rotation speed 50 x 10' r, p
, m, number of false twists 54801'/M, heater temperature 215
The conditions were set at 17°C and a feed rate of 2% between the feed loaf and the delivery loaf. Under these conditions, the number of revolutions of each spindle and the delivery roller yarn speed were measured during idle operation.
2L.

As a result of calculating the number of false twists17, in the case of a friction disk and a twisting device of 1φ, the number of false twists is 5480T/M, friction disk 4
In the case of a twisting device with scratches φ, the number of false twists is 2 arms () "I) i'tA
-There was CJ.

Number of false twists of the above machine 54
4f 4-Nozzle/thread.

Insert Boriesder Multififer 50d/F+6f Semida/I/yarn into a twisting device with a false twist number of 2520 T/M. J: 5 where the yarn of the heating section comes into contact with the
A rotary surface body is provided and the yarn is cut 1tJi after false twisting.
Adjust so that -1'TI is raised at 600 to 700 strands/m, 1. = o + Anti-twisted yarn twisted process After passing through the delivery loaf, both yarns are aligned and
Using the interlacer disclosed in Publication No. 1759, etc.

The interlacing treatment was carried out under the conditions of a pressure of 4 ky/ca and an over-feed rate of 5 q6 to obtain a composite fluffed yarn. The processed yarn has a mixture of 7-layer fuzz and cut fuzz, is extremely soft to the touch, and exhibits excellent bulkiness.

Example 2 A rotating rough surface body in which a spindle-type false twisting device and a one-rotation shaft are attached to share the shaft of a twisting disk is called P? rY?
Shi'T: Using a drawing false twisting machine with alternating friction type false twisting devices, a polyester multifilament semi-drawn yarn of 250 (i/48f) was supplied, and the drawing ratio was 1.
Stretched plate 1 under the conditions of 5 times, heater and one temperature + 90 c,
After extensive processing, the yarn was false-twisted using a spindle-type false-twisting device and crimped (actual number of false twists: 256 f) l'/M
) and the crimped yarn (actual number of false twists: 1400 T/M) that has been false-twisted at the same time as cutting fluff using a twisting device are combined after passing through the f-riberry roller. After intertwining both yarns in the same manner as in Example 1, the yarns were wound into cheese. The obtained yarn contained a mixture of v-shaped fluff and cut fluff, and was soft and had excellent bulkiness, and this yarn was made into a knitted fabric.

A product with a lot of cut 1u1 fluff and loop fluff appeared on the surface of the knitted fabric, had a soft touch, and had an extremely voluminous feel 9 elasticity.

Claims (2)

[Claims] (1) Another false-twisting device i! that false-twists and crimps thermoplastic multifilament yarn with a false twist number that exhibits a high elasticity and elongation rate, and at the same time adds the rubbing action of the same false-twisting machine table. in,
Another thermoplastic multifilament yarn is false-twisted and crimped at a false twist number of 4U to 8[]%, which exhibits a high elastic elongation rate, and a part of the filaments constituting the yarn is cut. 9. A method for producing a bulky fluffed yarn, characterized in that both yarns are then continuously combined, subjected to a gas treatment, and then wound. (2) A patented method for manufacturing a bulky fluffed yarn, which is characterized by using a friction-type false twisting device having a C-rotated rough surface body as a false twisting device with added friction action;