A high-strength polyester stretch yarn

Abstract

The utility model discloses a high-strength polyester elastic yarn, which relates to the technical field of valve nozzles, and comprises: an inner core layer, the outer side of the inner core layer is wrapped with an outer sheath layer, and the outer side of the outer sheath layer is wound with a plurality of reinforcing fiber layers. The utility model first combines the carbon fiber and glass fiber in the inner core layer in a parallel arrangement, so that the carbon fiber and the glass fiber can jointly bear the external force, thereby improving the overall strength and durability of the polyester elastic yarn. By wrapping the outer sheath layer on the outer side of the inner core layer, a skin-core combination is formed, wherein the outer sheath layer wrapped by the inner core layer and the inner and outer sheath layers serves as an outer layer, providing good elasticity and softness. The plurality of reinforcing fiber layers spirally wound on the outside of the outer sheath layer enable the polyester elastic yarn to better disperse and transmit force when subjected to force, thereby avoiding stress concentration. The utility model effectively improves the strength of the polyester elastic yarn.

Description

Technical Field

[0001] The utility model belongs to the technical field of polyester stretch yarn, and specifically relates to a high-strength polyester stretch yarn. Background Art

[0002] Polyester stretch yarn is a kind of chemical fiber yarn, and its production process includes stretching the polyester yarn to make it have better elasticity and softness, while maintaining the strength and wear resistance of the polyester yarn. The polyester stretch yarn has a variety of specifications and uses, and can be used to make various textiles, such as clothing, home textiles, industrial textiles, etc. The main characteristics of polyester stretch yarn are good elasticity, high softness, strong wear resistance, easy to clean, not easy to deform, etc. The existing Chinese patent (application number: CN202223457552.4) proposes a high-strength microfiber polyester yarn, including polyester fiber, an elastic layer is provided on the polyester fiber, a reinforcing layer is provided on the elastic layer, a flame retardant layer is provided on the reinforcing layer, a skin-friendly layer is provided on the flame retardant layer, and the reinforcing layer includes a first reinforcing layer, the first reinforcing layer is arranged on the elastic layer, a second reinforcing layer is provided on the first reinforcing layer, and the flame retardant layer is arranged on the second reinforcing layer. The utility model has the purpose of improving the elasticity of the polyester yarn by providing the elastic layer, which is beneficial to the use of the polyester yarn. The utility model has the purpose of improving the heat resistance, oxidation resistance and tensile strength of the polyester yarn by providing the reinforcement layer, which is beneficial to the use of the polyester yarn.

[0003] During use, the strength of the polyester yarn is increased by using multiple layers of fibers. However, the polyester yarn is combined by stacking multiple materials. The multi-layer structure stacking method may cause the overall interface bonding strength of the polyester yarn to be insufficient. If the interlayer bonding is poor, the overall strength may be reduced.

[0004] In view of this, this application is hereby filed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a high-strength polyester stretch yarn to achieve the purpose of improving the strength of the polyester stretch yarn.

[0006] In order to solve the above technical problems, the utility model provides a high-strength polyester elastic yarn, comprising: an inner core layer, the outer side of the inner core layer is wrapped with an outer sheath layer, the outer side of the outer sheath layer is wrapped with multiple reinforcing fiber layers, the multiple reinforcing fiber layers are spirally distributed, the outer side of the reinforcing fiber layer is wrapped with a covering layer, and the covering layer is cylindrical.

[0007] Furthermore, carbon fibers and glass fibers are provided in the inner core layer, and the carbon fibers and glass fibers are arranged in parallel.

[0008] Furthermore, an adhesive layer is connected between the carbon fiber, the glass fiber and the outer sheath layer, and the carbon fiber, the glass fiber and the outer sheath layer are connected by the provided adhesive layer.

[0009] Furthermore, an antibacterial layer is bonded to the outside of the coating layer, and the material of the antibacterial layer is silver ion antibacterial fiber.

[0010] Furthermore, a skin-friendly layer is connected to a side of the antibacterial layer away from the coating layer, and the skin-friendly layer is made of bamboo fiber.

[0011] Furthermore, the reinforcing fiber layer is made of polyester fiber, and the inner diameter of the reinforcing fiber layer is smaller than the inner diameter of the outer sheath layer.

[0012] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.

[0013] 1. In the utility model, by wrapping the outer sheath layer on the outer side of the inner core layer, firstly, the carbon fiber and the glass fiber in the inner core layer are combined in a parallel arrangement, wherein the carbon fiber and the glass fiber are closely parallel, and there is no obvious interface separation between them. This closely parallel structure enables the carbon fiber and the glass fiber to jointly bear the external force, thereby improving the overall strength and durability of the polyester elastic yarn. Secondly, by wrapping the outer sheath layer on the outer side of the inner core layer, a skin-core combination is formed, wherein the outer sheath layer wrapped by the inner and outer sheath layers of the inner core layer serves as an outer layer, providing good elasticity and softness, and the inner core layer serves as an inner core, enhancing the overall strength and stability of the polyester elastic yarn. The multiple reinforcing fiber layers spirally wound around the outer sheath layer enable the polyester elastic yarn to better disperse and transmit force when subjected to force, thereby improving the bearing capacity and stability of the structure, avoiding stress concentration, and this arrangement effectively improves the strength of the polyester elastic yarn. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are part of the present invention and are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation on the present invention. Obviously, the accompanying drawings described below are only some embodiments. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0015] Figure 1 A cross-sectional view of the utility model as a whole;

[0016] Figure 2 It is a side view of the connection between the outer sheath layer and the reinforcing fiber layer in the utility model;

[0017] Figure 3It is a front view of the connection between the outer sheath layer and the reinforcing fiber layer in the utility model.

[0018] Numbers in the figure:

[0019] 1. Inner core layer; 101. Carbon fiber; 102. Glass fiber; 2. Outer sheath layer; 3. Reinforcement fiber layer; 4. Coating layer; 5. Antibacterial layer; 6. Adhesive layer; 7. Skin-friendly layer.

[0020] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Polyester stretch yarn is a kind of chemical fiber yarn. Its production process includes stretching the polyester yarn to make it more elastic and soft while maintaining the strength and wear resistance of the polyester yarn. Polyester stretch yarn has various specifications and uses and can be used to make various textiles, such as clothing, home textiles, industrial textiles, etc. The main characteristics of polyester stretch yarn are good elasticity, high softness, strong wear resistance, easy to clean, not easy to deform, etc. In order to improve its strength, the existing polyester stretch yarn is often combined with a variety of reinforcing materials. However, the combination of multiple materials in a stacking manner may result in insufficient interface bonding strength of the polyester yarn as a whole. If the interlayer bonding is poor, the overall strength may be reduced.

[0025] like Figures 1 to 3 As shown, the utility model provides a high-strength polyester elastic yarn, including: an inner core layer 1, the outer side of the inner core layer 1 is wrapped with an outer sheath layer 2, the outer side of the outer sheath layer 2 is wound with multiple reinforcing fiber layers 3, the multiple reinforcing fiber layers 3 are spirally distributed, the outer side of the reinforcing fiber layer 3 is wrapped with a coating layer 4, the coating layer 4 is cylindrical, and the inner core layer 1 is also provided with carbon fiber 101 and glass fiber 102, and the carbon fiber 101 and the glass fiber 102 are arranged in parallel.

[0026] Preferably, the material of the outer sheath layer 2 is acetate fiber, which has good elasticity and softness.

[0027] First, by wrapping the outer sheath layer 2 on the outer side of the inner core layer 1, the carbon fibers 101 and the glass fibers 102 in the inner core layer 1 are first combined in a parallel arrangement, wherein the carbon fibers 101 and the glass fibers 102 are closely parallel and there is no obvious interface separation between them. This tightly parallel structure enables the carbon fiber 101 and the glass fiber 102 to jointly bear external forces, thereby improving the overall strength and durability of the polyester elastic yarn. Secondly, by wrapping the outer sheath layer 2 on the outside of the inner core layer 1, a skin-core combination is formed, wherein the inner core layer 1 and the inner and outer sheath layers 2 wrap the outer sheath layer 2 as the outer layer, providing good elasticity and softness, and the inner core layer 1 serves as the inner core, which enhances the overall strength and stability of the polyester elastic yarn. The multiple reinforcing fiber layers 3 spirally wound around the outside of the outer sheath layer 2 can increase the torsional stiffness of the polyester elastic yarn, making it more resistant to torsional force. This arrangement enables the fibers to better disperse and transmit force when torsionally subjected, thereby improving the overall stability. The spirally arranged reinforcing fiber layers 3 can increase the overall strength of the polyester elastic yarn, making it more able to withstand external loads, and enable the polyester elastic yarn to better disperse and transmit force when subjected to force, thereby improving the bearing capacity and stability of the structure and avoiding stress concentration.

[0028] For details, please refer to Figure 1An adhesive layer 6 is connected between the carbon fiber 101 , the glass fiber 102 and the outer sheath layer 2 , and the carbon fiber 101 , the glass fiber 102 and the outer sheath layer 2 are connected by the set adhesive layer 6 .

[0029] Preferably, the material of the adhesive layer 6 is a cross-linking agent, which is a substance that can play a bridging role between linear molecules, so that multiple linear molecules are bonded to each other to form a network structure, and promotes or regulates the formation of covalent bonds or ionic bonds between polymer molecules.

[0030] First, the provided adhesive layer 6 is used to conveniently fix the carbon fiber 101, the glass fiber 102 and the outer sheath layer 2, which can increase the fiber-to-fiber interaction in the structure of the carbon fiber 101, the glass fiber 102 and the outer sheath layer 2, and further improve the strength of the polyester stretch yarn.

[0031] For details, please refer to Figure 1 The outside of the coating layer 4 is bonded with an antibacterial layer 5, and the material of the antibacterial layer 5 is silver ion antibacterial fiber. First, silver ions can inhibit the normal function of the cell membrane of pathogens, thereby inhibiting the growth of pathogens. Compared with traditional deodorizing and antibacterial fibers, silver ion antibacterial fibers not only have better antibacterial effects, but also have more stable and durable performance and are not easy to produce odor. Therefore, the antibacterial layer 5 is used to enhance the antibacterial effect of the polyester stretch yarn.

[0032] For details, please continue to refer to Figure 1 The antibacterial layer 5 is connected to a skin-friendly layer 7 on the side away from the covering layer 4. The skin-friendly layer 7 is made of bamboo fiber. When used in summer and autumn, bamboo fiber makes people feel particularly cool and breathable; it is fluffy and comfortable when used in winter and spring, and can eliminate excess heat and moisture in the body. The setting increases the comfort of users when using polyester and stretch yarn through the skin-friendly layer 7.

[0033] For details, please continue to refer to Figure 2 and Figure 3 The reinforcing fiber layer 3 is made of polyester fiber, and the inner diameter of the reinforcing fiber layer 3 is smaller than the inner diameter of the outer sheath layer 2. First of all, polyester fiber has the characteristics of good elasticity and wear resistance. The selection of this material improves the strength of the polyester elastic yarn by increasing the elasticity. The inner diameter of the reinforcing fiber layer 3 is smaller than the inner diameter of the outer sheath layer 2. The small inner diameter of the reinforcing fiber layer 3 means that it has a larger contact area with the outer sheath layer 2. This close contact helps to distribute the stress more evenly on the polyester elastic yarn and reduce the risk of stress concentration, thereby improving the fatigue resistance and durability of the polyester elastic yarn.

[0034] Working principle: By wrapping the outer sheath layer 2 on the outer side of the inner core layer 1, the carbon fiber 101 and the glass fiber 102 in the inner core layer 1 are first combined in a parallel arrangement, wherein the carbon fiber 101 and the glass fiber 102 are closely parallel, and there is no obvious interface separation between them. This tightly parallel structure enables the carbon fiber 101 and the glass fiber 102 to jointly bear external forces, thereby improving the overall strength and durability of the polyester elastic yarn. Secondly, by wrapping the outer sheath layer 2 on the outside of the inner core layer 1, a skin-core combination is formed, wherein the inner core layer 1 and the inner and outer sheath layers 2 wrap the outer sheath layer 2 as the outer layer, providing good elasticity and softness, and the inner core layer 1 serves as the inner core, which enhances the overall strength and stability of the polyester elastic yarn. The multiple reinforcing fiber layers 3 spirally wound around the outside of the outer sheath layer 2 can increase the torsional stiffness of the polyester elastic yarn, making it more resistant to torsional force. This arrangement enables the fibers to better disperse and transmit force when torsionally subjected, thereby improving the overall stability. The spirally arranged reinforcing fiber layers 3 can increase the overall strength of the polyester elastic yarn, making it more able to withstand external loads, and enable the polyester elastic yarn to better disperse and transmit force when subjected to force, thereby improving the bearing capacity and stability of the structure and avoiding stress concentration.

[0035] The above is only a preferred embodiment of the present invention, and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with this patent can make some changes or modifications to equivalent embodiments of equivalent changes using the technical content suggested above without departing from the scope of the technical solution of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the present invention.

Claims

1. A high-strength polyester stretch yarn, comprising: The inner core layer (1) is characterized in that the outer side of the inner core layer (1) is wrapped with an outer sheath layer (2), the outer side of the outer sheath layer (2) is wound with multiple reinforcing fiber layers (3), the multiple reinforcing fiber layers (3) are distributed in a spiral shape, the outer side of the reinforcing fiber layer (3) is wrapped with a covering layer (4), and the covering layer (4) is cylindrical.

2. The high-strength polyester stretch yarn according to claim 1, characterized in that: Carbon fibers (101) and glass fibers (102) are also provided in the inner core layer (1), and the carbon fibers (101) and glass fibers (102) are arranged in parallel.

3. The high-strength polyester stretch yarn according to claim 2, characterized in that: An adhesive layer (6) is connected between the carbon fiber (101), the glass fiber (102) and the outer sheath layer (2); the carbon fiber (101), the glass fiber (102) and the outer sheath layer (2) are connected by means of the provided adhesive layer (6).

4. The high-strength polyester stretch yarn according to claim 1, characterized in that: An antibacterial layer (5) is bonded to the outside of the coating layer (4), and the material of the antibacterial layer (5) is silver ion antibacterial fiber.

5. The high-strength polyester stretch yarn according to claim 4, characterized in that: A skin-friendly layer (7) is connected to the side of the antibacterial layer (5) away from the coating layer (4), and the skin-friendly layer (7) is made of bamboo fiber.

6. The high-strength polyester stretch yarn according to claim 1, characterized in that: The reinforcing fiber layer (3) is made of polyester fiber, and the inner diameter of the reinforcing fiber layer (3) is smaller than the inner diameter of the outer sheath layer (2).

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