KR101162186B1 - Spun yarn with enhanced volume and stretch - Google Patents

Abstract

The present invention relates to a method for producing a spun yarn improved in volume, elasticity, peeling resistance, etc. by using the twist formed by the twisting and heat setting of the fiber yarn, including two strands of spun yarn containing thermoplastic fibers, The twisting process of twisting together the threads, the fixation process of fixing the applied twists by heat, and the sea smoke that releases some or all of the twisted twists or breakdowns. It is characterized by including the process.

Cotton Yarn, Volume, Blend, Thermoplastic, Combustible

Description

Spun yarn with enhanced volume and stretch}

The present invention relates to a method for manufacturing a spun yarn with improved volume and elasticity, and more particularly, to a method for manufacturing spun yarn having improved volume, elasticity, peeling resistance, and the like by using twists formed by flammability and heat setting of the spun yarn. will be.

The method of improving the elasticity and increasing the content of the synthetic fiber filament yarn to improve the shortcomings of the filament yarn to give a volume feeling similar to the spun yarn has been studied for a long time.

One of them is a method of making texture yarn by combustible. This method is to twist the filament yarn strongly by the rotating twisted spinner and open and fix it in the twisted state. After passing through the spinner, the twist is released, but the twist is fixed and fixed. It has been developed to greatly improve elasticity and bulkiness.

Although spun yarns such as cotton spun yarns have more volume and elasticity than general filament yarns, they may not be considered to have satisfactory volume and elasticity in some cases depending on the material. How to improve elasticity is not very developed.

For example, as a method for improving the elasticity of cotton spun yarn, the elastic yarn, that is, polyurethane yarn (spandex yarn) is stretched three to four times as a core yarn during cotton spinning, and the so-called core spandex surrounding the stretched core yarn with cotton yarn. Yarns, and the core spandex yarns thus prepared are used to make elastic fabrics.

However, the elastic fabric using the core spandex yarn thus prepared has good elasticity but poor volume. In other words, the core spandex yarn is wound around the core yarn to form a twist like a kind of twisted yarn, the excessive twist is naturally accompanied by a decrease in volume.

The present invention is to solve the problem of the technology for improving the inherent physical properties of the yarn using short fibers as described above, in particular, processed with improved volume, elasticity, peeling resistance surpassing the inherent physical properties of the yarn An object of the present invention is to provide a method for producing a spun yarn.

The configuration of the present invention for achieving the above object,

A twisting process for twisting together two or more yarns comprising one or more yarns including a yarn containing thermoplastic fibers and one yarn not a yarn containing thermoplastic fibers or a yarn containing thermoplastic fibers. and;
An ointment fixing step of fixing the twist of the two or more strands to which the twist is applied by heat;
In the manufacturing method of the yarn comprising a sea-yeon process to release the twist of the two or more strands together so that part or all of the twisted twist is released or released by over-dissolved,
The twisting process for applying the twist, and the decompression process for releasing the twist is characterized in that it is made in the twisting machine.

Through the above configuration, while the twist applied to the thermoplastic fiber is fixed by heat, even after releasing the twist, the effect of improving the volume, elasticity, peeling resistance, etc. by the curved irregularities fixed in the twisted state.

In order to improve the sense of volume by giving twist to the yarn as in the present invention, two or more threads are twisted in a state where they are held together by plywood and weaving yarn so that the twist is not cut off.

In the above configuration, most of the two or more yarns are spun yarns, but spun yarns and filament yarns may be used together. In addition, the method of the present invention can be applied to a spun yarn made of only synthetic fibers, but by blending natural fibers such as cotton and synthetic fibers to obtain the same volume and touch as natural fibers, while also exhibiting the excellent properties of synthetic fibers. The best results can be obtained when applied to blended spun yarn of cotton / thermoplastic synthetic fiber.

In addition, two strands of thread are twisted together to prevent cutting, but productivity is reduced when cutting occurs during the process due to the unevenness of twist of single yarn, so that fibers are entangled with each other by air entanglement to improve handling. It is advantageous in terms of convenience and productivity of the manufacturing process.

Further, in a specific embodiment for implementing the above method, after the two or more strands of yarn are put in the twisted yarns to be twisted, the twisting and disintegration process may be performed, or the twisted yarns formed by joining two or more strands together It can also be prepared by putting in a twisting machine in the state to perform the churning, and then fixed and decomposed. In either case, after giving a twist with a lot of twist than in the case of manufacturing a conventional twisted yarn, it is preferable to give a soft fixation in terms of stability of the manufacturing process or in terms of providing a large amount of curved irregularities to improve the volume of the product.

When disintegrating, give twist in the direction opposite to the twisting direction, it is preferable to decompose about 10 to 40% less than the number of twists applied during combustion.

In another embodiment, two or more threads are put into a combustor to continuously perform the process of combusting, softening, and decomposing, thereby creating a bend by twisting fixed to the thermoplastic fiber. It can also be made to improve a volume feeling by curvature.

This method uses the combustor used for the manufacture of false-twist yarn for filament yarn for the spinning yarn. As such, using the combustor, the above method can be achieved through one process on one machine. We can expect improvement.

The combustor used to manufacture the filament yarn's twisted yarn is twisted at the top and bottom of the twisted spinner (twisting device) .When the yarn is put into such a combustor with a single yarn, the twist count of the yarn is 0 As the yarn falls below the T / M, the yarn is cut. In the present invention, however, the yarn is not spun because the yarn is spun in two or more yarns by spun yarn and yarn or filament yarn.

Plywood yarn can be supplied in two or three or more plywood states, and as in the embodiment using the above-described twister, supplying and pulverizing two or more ply-twisted yarns can improve the production process and product stability. It is preferable because it can.

In addition, since the component properties are large, the friction between the fibers of the spun yarn is reduced after burning, so that the occurrence of cutting is increased. Therefore, it is preferable to perform additional grinding to prevent cutting.

In some cases, for example, when two strands of single spun yarn are used, it is also possible to manufacture single yarns having improved volume feeling by completely dividing the two strands of yarn spliced together after the above-mentioned disintegration step and winding them separately.

As described above, by using the method according to the present invention, through the separate processing process to the yarn, it is possible to produce a spun yarn with improved volume and elasticity by forming artificial bends in the thermoplastic fiber, using the volume and elasticity, etc. This improved fabric can be produced.

In addition, in the forge formed by weaving or knitting using the processed spun yarn manufactured by the method according to the present invention, since the twisting force is formed on the synthetic fiber causing the peeling problem and the bonding force is improved, the peeling resistance is also improved. Have.

Hereinafter, the present invention will be described in more detail with reference to Examples.

The first embodiment relates to a method of manufacturing a spun yarn with improved volume using a twisting machine.

In the method for manufacturing the yarn with improved volume, according to the present embodiment, first, a blended yarn having a number of single yarns of 40 yarns consisting of 65% polyester and 35% cotton is prepared, and a combination of these is added to a twisting machine to produce 1500 to 2500T / We add lecture about M. In this state, it is put in a heat chamber and heated at a temperature of 120 ° C. for 60 minutes to 90 minutes to fix the lead. After fixation, it is added again to the twisting machine and twisted by applying twist in the opposite direction to the initial twisting, but it is about 300 to 1000T / M less than the initial twisting.

The two-ply yarns produced in this way exhibit a unique volume and appearance, and fabrics using this method produce fabrics with peeling resistance and volume.

1 is a view illustrating a process of manufacturing a yarn having improved volume according to the present invention through a combustor, with reference to this, a process of manufacturing a yarn having improved volume according to a second embodiment of the present invention.

As shown in FIG. 1, the yarn spun with improved volume according to the present embodiment is blended with polyester having a single yarn number of 40 and cotton in the combustor 100 used in the manufacture of the false twist yarn of the filament yarn as shown in FIG. 1. / 35) Spinning yarn (Z edge) (10) It can be prepared by adding one strand and cotton yarn (Z edge) (10 ') of 60 single yarn number.

The combustor 100 is well known, and includes a plurality of guide rollers and a twist spinner 102 forming twists in opposite directions on upper and lower portions thereof, and a heat setter 101 installed on an upper part of the twist spinner. .

Into the combustor 100, the two yarns of the spun yarn 10 and the cotton yarn 10 'containing the thermoplastic fibers are put together, and the twist yarn spinner 102 is opposite to the single yarn twisting direction (Z edge) of the yarns. The flame is fixed by heating to 200 ± 15 ° C. with the heat setter 101 while burning with (S lead). The yarn in which the spun yarn 10 and the cotton yarn 10 'containing the thermoplastic fibers passing through the combustible spinner 102 are loosened while being twisted in the direction of twist (S edge) and the opposite direction (Z edge). In this process, the kites fixed by heat form a curved yarn to form a yarn having improved volume.

On the other hand, a single yarn number 30 (Z lead) polyester and a cotton blend yarn (65/35) were used as the spun yarn 10 containing the thermoplastic fiber, and 150de polyester was used as the other yarn 10 '. Using filament yarns, two of them are added and put into the combustor 100 to obtain the combustible soft water by the Heberline Combustible Water formula, which is combusted and set in the S direction, and then fired to manufacture a spun yarn with improved volume. can do.

In this case, the setting temperature is 200 ± 15 ° C. corresponding to the heat setting temperature of the polyester fiber.

Hereinafter, an example of manufacturing a fabric cloth using the yarn that has improved volume and elasticity according to the present invention described above.

The spun yarn with improved volume and elasticity according to the present invention should be designed to have a 5-15% lower density of warp and weft yarns than the fabrics using general yarns. It is possible to obtain a fabric cloth having abundant elasticity and less occurrence of wrinkles.

As a specific example, 16-thread spun yarns of polyester / cotton 65/35 with improved volume and elasticity prepared by the method according to the present invention are used as warp and weft yarns, and the body width of the warp is 60 inches and the total number of warp yarns is 3,100 pieces. After the diameter is set to 60 inches, weaving is made of plain weave so that the weft density is 50 sheets / inch.

When weaving is completed, the processing is performed in the same process as that of general polyester / cotton blend fabrics, but the reduction processing is carried out with no tension in order to have an uneven effect due to reduced expression. The processing temperature is in the range of 160 to 180 ° C.

Rather than using the spun yarn with improved volume and elasticity according to the present invention for the whole fabric, according to the intention of the designer, the yarn is manufactured by arranging the general yarn and the spun yarn according to the present invention in a warp, or by lattice and weft It is also possible to make fabrics with small folds of pattern.

Figure 1 shows a process for producing a yarn with improved volume in accordance with the present invention through a combustor.

*** Explanation of symbols for main parts of drawing ***

1: spun yarn with improved volume 10: spun yarn with thermoplastic fibers

100: combustor 101: heat setter

102: flammable spinner

Claims (8)

A twisting process for twisting together two or more yarns comprising one or more yarns including a yarn containing thermoplastic fibers and one yarn not a yarn containing thermoplastic fibers or a yarn containing thermoplastic fibers. and;      An ointment fixing step of fixing the twist of the two or more strands to which the twist is applied by heat;      In the manufacturing method of the yarn comprising a sea-yeon process to release the twist of the two or more strands together so that part or all of the twisted twist is released or released by over-dissolved, The twisting process of applying the twist, and the decompression process of releasing the twist is a method of manufacturing a spun yarn with improved volume and elasticity, characterized in that made in a twisting machine. delete The method of claim 1, Spinning yarn with improved volume and elasticity, characterized in that the two or more strands are put into a combustor in which both combustible and decomposed at the same time by means of a combustible spinner to continuously perform the combustible, softened and decomposed processes. Manufacturing method. The method according to claim 1 or 3, The twisting process is a method of manufacturing a spun yarn with improved volume and elasticity, characterized in that the twisting by adding the two or more yarns in a plywood state. The method according to claim 1 or 3, The combustible is a method of producing a spun yarn with improved volume and elasticity, characterized in that the addition of the two strands of yarn and twisting the twisted yarns in the state of the twisted yarns. delete The method according to claim 1 or 3, The yarn containing the thermoplastic fiber is a yarn of improved volume and elasticity, characterized in that the yarn is improved handleability by air entanglement. The method according to claim 1 or 3, After the decompression process, the two or more yarns are divided into each other as the original winding, characterized in that the spinning yarn with improved volume and stretch characteristics.

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