KR20150083473A - Polyester mixed yarn with different shrinkage and the preparing process thereof - Google Patents
Polyester mixed yarn with different shrinkage and the preparing process thereof Download PDFInfo
- Publication number
- KR20150083473A KR20150083473A KR1020140002806A KR20140002806A KR20150083473A KR 20150083473 A KR20150083473 A KR 20150083473A KR 1020140002806 A KR1020140002806 A KR 1020140002806A KR 20140002806 A KR20140002806 A KR 20140002806A KR 20150083473 A KR20150083473 A KR 20150083473A
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- South Korea
- Prior art keywords
- polyester
- composite yarn
- cross
- producing
- spinneret
- Prior art date
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
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- 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
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention relates to a polyester composite yarn and a method for producing the same which can produce a composite yarn having good elasticity and sweat-absorbing and quick-drying property and improved tactility by using two polyester cross-sectional yarns having different cross- One method for producing a polyester composite yarn of the present invention is a method for producing a polyester composite yarn by spinning a polyester resin in a spinneret, wherein the polyester resin is a spinneret having two holes having different cross- The polyester polymer resin is discharged at a temperature of 250 to 350 DEG C in the spinneret, the discharged yarn is solidified by the cooling wind, and the polyester resin is solidified Treating the treated product as an emulsion below the surface of the detonator, Stretching the film at a stretching temperature of 80 to 110 占 폚, winding the film at a winding machine after heat treatment, and cooling the film by an in-out method.
The polyester composite yarn of the present invention having the above-described structure and the method of producing the same are produced by discharging a polyester resin using a spinneret in which two holes having different cross sections are arranged in the same spinneret to produce a composite yarn, The cross-sectional composite yarn is a composite yarn having excellent elasticity and sweat-absorbing and quick-drying properties and improved tactile properties. These composite yarns can be produced with good productivity and low cost, thereby solving the above-mentioned conventional problems.
Description
The present invention relates to a polyester composite yarn and a method for producing the same, and more particularly, to a polyester composite yarn having excellent elasticity and sweat-absorbing quick-drying property and improved feel by using two polyester cross- And a polyester composite yarn and a manufacturing method thereof.
The development of the textile industry, which is usually started for clothing, has not been limited to the use of clothing, but its application has been developed so far for non-garments for use outside of mainstream garments, and particularly attention has been paid to industrial fibers . In addition, as the standard of living for clothing has been improved, there has been an increasing demand for clothes having various functions. For example, clothing having various characteristics such as sweat-absorbing quick-drying property, elasticity or comfort Demand is steadily expanding. For example, cotton yarns or cotton / polyester blend yarns which are generally excellent in absorbency have conventionally been used mainly as yarn for clothing, but when the yarn becomes sweaty, the yarn contains a lot of sweat, There was a problem of clothing sticking and stickiness, and yarns of various characteristics have been developed to solve these problems.
On the other hand, conventionally, in order to produce a fabric which imparts specific physical properties, for example warmth and light weight, to polyester fibers, it has been proposed to produce an air layer inside the yarn by making the cross- There has been research on improvement. Particularly, composite yarns have been proposed for improving functionality, which is specific to polyester fibers. For example, Korean Patent Laid-Open Publication No. 1998-0053456 (Patent Document 1) discloses a polyester yarn having a circular cross- By radiating through a spinneret consisting of a detention hole and engaging it, the person who is radiated through a circular section detention hole by the contraction difference acts as a judge, and the effect of the living being emitted through the deformed section detention hole (Patent Document 2) discloses "a method of producing a composite yarn in the form of a monofilament having a high viscosity and a circular cross section at the center of the cross section of the yarn " And the monofilaments having different cross-sectional shapes and different in cross-section are located on the outer peripheral portion of the yarn cross- Quot; silk-like composite yarn used as a fabric for clothes to be used as a garment.
However, the invention disclosed in Patent Document 1 is merely an invention that can not be realized because there is no actual shrinkage difference, and the invention disclosed in
However, the invention disclosed in Patent Document 3 not only yields satisfactory results in terms of improvement in elasticity, sweat-absorbing quick drying property and tactile property but also has a problem in productivity.
Accordingly, the present invention has been made in view of the above-mentioned conventional circumstances, and it is a main object of the present invention to provide a polyester film having excellent flexibility and sweat-absorbing quick drying property by using two polyester cross- And to provide the improved polyester composite yarn.
Another object of the present invention is to provide a production method which can easily produce the polyester composite yarn having the above excellent properties at low cost and good productivity.
The present invention may also be directed to accomplish these and other objects, which can be easily derived by those skilled in the art from the overall description of the present specification, in addition to the above-mentioned and obvious objects.
In order to accomplish the above object, the present invention provides a method for producing a polyester composite yarn comprising:
A method for producing a polyester composite yarn by spinning a polyester resin in a spinneret,
Wherein the polyester resin ejects two polyester cross-sectional yarns having different cross-sections using the same spinneret in which two holes having different cross-sections are radially arranged, wherein the polyester polymer resin is spin- Treating the discharged yarn with a cooling wind and treating the wound yarn with the cooling wind as a spinning oil under the surface of the spinning furnace and stretching at a stretching temperature of 80 to 110 DEG C through one or more gododelols And a step of taking up heat in a take-up machine after the heat treatment, wherein the cooling is performed by an in-out method.
According to another aspect of the present invention, the nipping is characterized in that a hole having a circular cross-section or a hollow cross-section is radially arranged on the inside and a hole having a cross-section is radially arranged on the outside.
According to still another aspect of the present invention, the modified cross-section is a multi-leaf or concave-convex shape.
According to another embodiment of the present invention, the cooling temperature is 20 to 30 占 폚.
According to still another aspect of the present invention, the winding speed in the winding step is 4000 m / min to 6000 m / min.
According to another aspect of the present invention, the discharged modified cross-section yarns are entangled at an air pressure of 2.0 to 6.0 kg /
According to another aspect of the present invention, there is provided a polyester composite yarn comprising:
The polyester resin is discharged into two polyester cross-section yarns having different cross sections by using the same spinneret in which two holes having different cross sections are radially arranged, the discharged yarn is solidified by the cooling wind, Treating with a spinning oil below the surface of the spinning, and stretching at a drawing temperature of from 80 to 110 DEG C through one or more godadolol, and heat treating and then winding in a spinning machine, (in-out) method.
The polyester composite yarn of the present invention having the above-described structure and the method of producing the same are produced by discharging a polyester resin using a spinneret in which two holes having different cross sections are arranged in the same spinneret to produce a composite yarn, The cross-sectional composite yarn is a composite yarn having excellent elasticity and sweat-absorbing and quick-drying properties and improved tactile properties. These composite yarns can be produced with good productivity and low cost, thereby solving the above-mentioned conventional problems.
1 is a schematic cross-sectional view schematically showing a spinneret used for manufacturing a polyester composite yarn according to a preferred embodiment of the present invention.
Hereinafter, the present invention will be described in more detail with reference to preferred embodiments with reference to the accompanying drawings, but it goes without saying that the scope of the present invention is not limited thereto.
1 is a schematic cross-sectional view schematically showing a spinneret used for manufacturing a polyester composite yarn according to a preferred embodiment of the present invention.
A method for producing a polyester composite yarn according to a preferred embodiment of the present invention is a method for producing a polyester composite yarn by spinning a polyester resin in a spinneret, wherein the polyester resin has a cross section Two polyester cross-section yarns having different cross sections are discharged using the same spinneret in which two different holes are radially arranged, wherein the polyester polymer resin is discharged from the spinneret at a temperature of 250 to 350 DEG C, Treating the filaments solidified by the cooling wind with a spinning oil under the surface of the spinneret and stretching at a drawing temperature of 80 to 110 DEG C through one or more godadolol, , And the cooling is performed by an in-out method.
According to a preferred embodiment of the present invention, the spinneret for producing the composite yarn of the present invention is characterized in that the inner portion of the spinneret has a circular cross-section or a hollow cross-section (1) For example, it is preferable to arrange a multi-leaf type or concave-convex shape or the like.
As described above, according to the present invention, in producing a polyester composite yarn, a cross-sectional shape is radially spun into a cross-sectional shape, thereby achieving a low cost and a high efficiency simultaneously.
As described above, according to the preferred embodiment of the present invention, the discharged yarn has a circular cross-section or a hollow cross-section of the production inner side and an outer cross-section of the outer side in an IN-OUT annular fashion, The yarn is cooled. Therefore, the circular cross-section yarns of the inner side of the composite yarn according to the present invention give elasticity, and in particular, when hollow cross-sectional yarns are applied, the crimp due to quenching is expressed to give a bulky property to the surface of the yarn, and a polygonal or cross- Functionality is imparted by the cross section.
The circular and hollow cross-section yarns of the outer side of the composite yarn of the present invention play a role of judging and give lightness and elasticity.
As described above, the characteristics of the composite yarn according to the present invention as described above are manifested by the quenching effect due to the production, that is, the cooling method and the difference in the arrangement of the nipples, as different from the conventional method.
According to a preferred embodiment of the present invention, the cooling part can be installed at a lower part of 10 to 50 mm immediately below the nipping and the length of the cooling part is preferably 200 to 500 mm. If the length of the cooling part is less than 200 mm, On the contrary, when the thickness exceeds 500 mm, there is a problem that the physical properties are varied due to excessive cooling and the workability is poor, which is not preferable. According to a preferred embodiment of the present invention, the cooling temperature may be 20 to 30 占 폚.
According to another embodiment of the present invention, the composite yarn according to the present invention is preferably wound at a winding speed of 4000 m / min to 6000 m / min in the winding step. Especially, at 5,000 m / min, the workability is excellent and the deep coloring property is excellent, so that it is possible to manufacture the improved yarn. However, at 6000 m / min or more, the workability due to the free copper is poor and defects are not preferable.
According to a preferred embodiment of the present invention, the composite yarn according to the present invention can uniformly adhere the emulsions and can be entangled at a pressure of 2.0 to 6.0 kg /
The polyester composite yarn according to the present invention as described above is excellent in sweat-absorbing quick-drying property, excellent in elasticity, or light in accordance with the use of a hollow cross-section, so that it can be suitably applied to outdoor applications, particularly to barges.
Hereinafter, the present invention will be described in more detail with reference to examples, but the scope of the present invention is not limited to these examples.
Example 1
The polyester resin was melt-spun using the spinning and spinning method of the operating conditions shown in Table 1 below and cooled to give a drawing speed of about 5000 mpm. To increase the degree of orientation and crystallization, the drawing temperature was set to about 120 ° C, kg / cm < 2 > to produce a polyester composite yarn. The physical properties of the composite yarn thus prepared were measured, and the results are shown in Table 1 below.
Example 2
A polyester composite yarn was produced in the same manner as in Example 1, except that the operating conditions for producing the polyester composite yarn were as shown in Table 1 below. The physical properties of the composite yarn thus prepared were measured, and the results are shown in Table 1 below.
Example 3
A polyester composite yarn was produced in the same manner as in Example 1, except that the operating conditions for producing the polyester composite yarn were as shown in Table 1 below. The physical properties of the composite yarn thus prepared were measured, and the results are shown in Table 1 below.
Comparative Example 1
A polyester composite yarn was produced in the same manner as in Example 1, except that the operating conditions for producing the polyester composite yarn were as shown in Table 1 below. The physical properties of the composite yarn thus prepared were measured, and the results are shown in Table 1 below.
Comparative Example 2
A polyester composite yarn was produced in the same manner as in Example 1, except that the operating conditions for producing the polyester composite yarn were as shown in Table 1 below. The physical properties of the composite yarn thus prepared were measured, and the results are shown in Table 1 below.
Condition
(Fineness / number of strands)
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Of course.
1: detachment outside hole
2: detachment inner hole
Claims (7)
Wherein the polyester resin ejects two polyester cross-sectional yarns having different cross-sections using the same spinneret in which two holes having different cross-sections are radially arranged, wherein the polyester polymer resin is spin- Treating the discharged yarn with a cooling wind and treating the wound yarn with the cooling wind as a spinning oil under the surface of the spinning furnace and stretching at a stretching temperature of 80 to 110 DEG C through one or more gododelols , And a step of heat-treating and then winding in a winding machine, wherein the cooling is performed in an in-out manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140002806A KR20150083473A (en) | 2014-01-09 | 2014-01-09 | Polyester mixed yarn with different shrinkage and the preparing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140002806A KR20150083473A (en) | 2014-01-09 | 2014-01-09 | Polyester mixed yarn with different shrinkage and the preparing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20150083473A true KR20150083473A (en) | 2015-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020140002806A KR20150083473A (en) | 2014-01-09 | 2014-01-09 | Polyester mixed yarn with different shrinkage and the preparing process thereof |
Country Status (1)
| Country | Link |
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| KR (1) | KR20150083473A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114281A1 (en) * | 2017-12-14 | 2019-06-20 | 江苏恒力化纤股份有限公司 | Light-weight thermal fiber and preparation method therefor |
-
2014
- 2014-01-09 KR KR1020140002806A patent/KR20150083473A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114281A1 (en) * | 2017-12-14 | 2019-06-20 | 江苏恒力化纤股份有限公司 | Light-weight thermal fiber and preparation method therefor |
| US11629436B2 (en) | 2017-12-14 | 2023-04-18 | Jiangsu Hengli Chemical Fibre Co., Ltd. | Light weight heat-preserving fiber and preparation method thereof |
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