CN214529418U - Hollow polyester filament yarn - Google Patents
Hollow polyester filament yarn Download PDFInfo
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- CN214529418U CN214529418U CN202120750966.2U CN202120750966U CN214529418U CN 214529418 U CN214529418 U CN 214529418U CN 202120750966 U CN202120750966 U CN 202120750966U CN 214529418 U CN214529418 U CN 214529418U
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- polyester fiber
- polyester
- filament yarn
- polyester filament
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Abstract
The utility model discloses a cavity polyester filament, including dysmorphism polyester fiber (1) and circular polyester fiber (2), dysmorphism polyester fiber (1) is including circular inlayer (3), and the center of circular inlayer (3) is equipped with cavity (31), and the surface of circular inlayer (3) evenly is equipped with rectangular (32) and recess (33) of a plurality of salients along the circumferencial direction, rectangular (32) and recess (33) crisscross distribution, circular polyester fiber (2) set up between adjacent rectangular (32). The utility model has the characteristics of moisture absorption perspire and cold-proof effectual.
Description
Technical Field
The utility model relates to a polyester yarn, especially a cavity polyester filament.
Background
Terylene is an important variety in synthetic fibers and is the trade name of polyester fibers in China. The polyester filament is fiber prepared with fine terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) as material and through esterification, ester exchange and polycondensation to obtain fiber forming polymer, polyethylene terephthalate (PET), and through spinning and post treatment. The length of the polyester filament reaches more than kilometer. Polyester is one of three main fibers in synthetic fiber, and is widely applied to garment materials and other non-garment fields due to excellent physical and chemical properties. Although the polyester fiber has the characteristics of high strength, good heat resistance and thermal stability and good wear resistance, the polyester fiber has low water absorption, poor moisture absorption, sweat releasing and warm keeping effects, along with the improvement of living standard, the requirements of people on wearing are higher and higher, and the common polyester fiber can not meet various requirements of people.
Therefore, the existing common polyester filament has the problems of poor moisture absorption, sweat releasing and warm keeping effects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cavity polyester filament. The utility model has the characteristics of moisture absorption perspire and cold-proof effectual.
The technical scheme of the utility model: the utility model provides a cavity polyester filament, includes special-shaped polyester fiber and circular polyester fiber, special-shaped polyester fiber includes circular inlayer, and the center of circular inlayer is equipped with the cavity, and the surface of circular inlayer evenly is equipped with a plurality of outstanding rectangular and recess along the circumferencial direction, and rectangular and recess are crisscross to be distributed, circular polyester fiber sets up between adjacent rectangular.
In the hollow polyester filament yarn, the tail end of the long strip is an arc surface.
In the hollow polyester filament yarn, the middle part of the long strip is provided with a protruding annular bulge.
In the aforementioned hollow polyester filament, the surface of the circular polyester fiber is in contact with the adjacent annular protrusion and the surface of the circular inner layer, and a gap is formed between the circular polyester fiber and the adjacent strip and between the circular polyester fiber and the circular inner layer.
In the aforementioned hollow polyester filament, the length of the long strip is greater than the diameter of the round polyester fiber.
Compared with the prior art, the filament of the utility model combines the two polyester fibers with different structures, thereby enhancing the strength, increasing the surface area and the ventilation grooves of the polyester filament, and improving the moisture absorption and sweat releasing performance of the fiber;
because the surface of the profiled polyester fiber is provided with a plurality of long strips protruding out of the round polyester fiber, the surface of the polyester filament is uneven, and the inside of the profiled polyester fiber is hollow, the bulkiness of the polyester filament is improved, and the polyester filament has certain heat retention;
therefore, the utility model has the characteristics of moisture absorption sweat-discharging and cold-proof effectual.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figures are: 1. profiled polyester fiber; 2. circular polyester fiber; 3. a circular inner layer; 31. a cavity; 32. a strip; 321. a circular arc surface; 33. a groove; 34. an annular projection; 35. a void.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example (b):
as shown in fig. 1, a hollow polyester filament yarn, including dysmorphism polyester fiber 1 and circular polyester fiber 2, dysmorphism polyester fiber 1 includes circular inlayer 3, and the center of circular inlayer 3 is equipped with cavity 31, and circular inlayer 3's surface evenly is equipped with rectangular 32 and the recess 33 of a plurality of salients along the circumferencial direction, and rectangular 32 and recess 33 are crisscross to be distributed, circular polyester fiber 2 sets up between adjacent rectangular 32.
The strip 32 terminates in a circular arc 321. So that the polyester filament yarn has a certain curling effect.
The strip 32 is provided with a protruding annular protrusion 34 in the middle. The provision of the annular protrusion 34 increases the surface area and bulk of the filament.
The surface of the round polyester fiber 2 is respectively contacted with the adjacent annular protrusion 34 and the surface of the round inner layer 3, and a gap 35 is formed between the round polyester fiber 2 and the adjacent strip 32 and the round inner layer 3.
The length of the strip 32 is greater than the diameter length of the circular polyester fiber 2.
The utility model discloses a long filament adopts the polyester fiber of two kinds of different structures to combine together, when reinforcing long filament intensity, because the surface of dysmorphism polyester fiber 1 is equipped with the rectangular 32 of a plurality of outstanding circular polyester fiber 2, makes the polyester filament surface be the unevenness form, and the inside of dysmorphism polyester fiber 1 is the cavity form, has improved the fluffy degree of polyester filament, and makes polyester filament have certain warmth retention; a gap 35 is formed between the round polyester fiber 2 and the special-shaped polyester fiber 1, and the gap 35 and the groove 33 are combined to form a plurality of grooves on the fiber surface, so that the air permeability is good; in addition, the combination of the round polyester fiber 2 and the strip 32 increases the surface area of the polyester filament, and can quickly discharge sweat discharged by a human body in a high-temperature environment to the outside, thereby improving the moisture absorption and sweat discharge performance of the fiber.
Claims (5)
1. A hollow polyester filament yarn is characterized in that: including dysmorphism polyester fiber (1) and circular polyester fiber (2), dysmorphism polyester fiber (1) is equipped with cavity (31) including circular inlayer (3) at the center of circular inlayer (3), and the surface of circular inlayer (3) evenly is equipped with rectangular (32) and recess (33) of a plurality of salients along the circumferencial direction, and rectangular (32) and recess (33) are crisscross to be distributed, circular polyester fiber (2) set up between adjacent rectangular (32).
2. The hollow polyester filament yarn of claim 1, wherein: the tail end of the long strip (32) is an arc surface (321).
3. The hollow polyester filament yarn of claim 1, wherein: the middle part of the strip (32) is provided with a protruding annular bulge (34).
4. The hollow polyester filament yarn of claim 3, wherein: the surface of the round polyester fiber (2) is respectively contacted with the adjacent annular protrusion (34) and the surface of the round inner layer (3), and a gap (35) is formed between the round polyester fiber (2) and the adjacent strip (32) and the round inner layer (3).
5. The hollow polyester filament yarn of claim 1, wherein: the length of the long strip (32) is larger than the diameter length of the round polyester fiber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120750966.2U CN214529418U (en) | 2021-04-13 | 2021-04-13 | Hollow polyester filament yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120750966.2U CN214529418U (en) | 2021-04-13 | 2021-04-13 | Hollow polyester filament yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214529418U true CN214529418U (en) | 2021-10-29 |
Family
ID=78273867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120750966.2U Active CN214529418U (en) | 2021-04-13 | 2021-04-13 | Hollow polyester filament yarn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214529418U (en) |
-
2021
- 2021-04-13 CN CN202120750966.2U patent/CN214529418U/en active Active
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