Antibacterial polyester composite yarn
Patent Information
- Application Number
- CN202521956237.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-08-18
- Estimated Expiration
- 2035-09-11
AI Technical Summary
目前市场上虽然也有一些抗菌纺织品,但存在抗菌效果不持久、抗菌剂容易脱落等问题,难以满足人们对高品质抗菌纺织品的需求
[0009]本实用新型的有益效果是:本实用新型所涉及的一种抗菌涤纶复合丝,所使用的抗菌涤纶DTY长丝,使得该复合丝具有抗菌效果,并且其中第二抗菌涤纶DTY长丝的截面呈异型,具有导湿的效果,从而使得该复合丝具有导湿的效果。而亚麻纱线的刚性,使得该复合丝具有挺括性。
Smart Images

Figure CN224647183U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an antibacterial polyester composite yarn, belonging to the field of composite yarn technology. Background Technology
[0002] In real life, people inevitably come into contact with various bacteria, fungi, and other microorganisms. With the development of science and technology and the continuous improvement of people's living standards, the issue of antibacterial properties is attracting increasing attention. Since textiles used in daily life are in close contact with human skin, it is necessary to study their antibacterial technology. Polyester, as a widely used type of synthetic fiber, does not inherently possess antibacterial properties and is prone to bacterial growth and odor during use, which not only affects the lifespan of textiles but may also pose a potential threat to human health. For example, in areas such as sportswear and bedding, where prolonged contact with the body and sweating are common, bacterial growth is even more pronounced. Therefore, developing a polyester composite yarn with antibacterial functions is of significant practical importance. While some antibacterial textiles exist on the market, they suffer from problems such as short-lasting antibacterial effects and easy shedding of antibacterial agents, failing to meet the demand for high-quality antibacterial textiles. Furthermore, polyester filaments lack sufficient stiffness. How to prepare a polyester composite yarn that possesses both long-lasting antibacterial properties and a certain degree of stiffness has become a problem to be solved. Utility Model Content
[0003] The purpose of this invention is to provide an antibacterial polyester composite yarn that has both antibacterial effect and stiffness.
[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The present invention relates to an antibacterial polyester composite yarn, comprising a core yarn and a wrapping yarn layer spirally wound around the outside of the core yarn; The core yarn is a flax-antibacterial polyester filament composite yarn, which includes flax yarn and a first antibacterial polyester DTY filament wrapped around the outside of the flax yarn; the wrapping yarn layer includes a first wrapping yarn, which is a second antibacterial polyester DTY filament. The cross-section of the second antibacterial polyester DTY filament is cross-shaped, Y-shaped, or I-shaped.
[0005] Based on the above scheme and as a preferred embodiment of the above scheme: the cross-section of the first antibacterial polyester DTY filament is circular.
[0006] Based on the above scheme and as a preferred embodiment of the above scheme: the wrapping filament layer further includes a second wrapping filament, which is a graphene-modified nylon 6 filament.
[0007] Based on the above scheme and as a preferred embodiment of the above scheme: the winding directions of the second antibacterial polyester DTY filament and the graphene modified nylon 6 filament 22 are opposite.
[0008] Based on the above scheme and as a preferred embodiment of the above scheme: the cross-section of the graphene-modified nylon 6 filament is cross-shaped.
[0009] The beneficial effects of this utility model are as follows: The antibacterial polyester composite yarn involved in this utility model uses antibacterial polyester DTY filaments, which give the composite yarn an antibacterial effect. Furthermore, the cross-section of the second antibacterial polyester DTY filament is irregular, which has a moisture-wicking effect, thus giving the composite yarn a moisture-wicking effect. The rigidity of the flax yarn gives the composite yarn a crispness. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the cross-sectional structure of the antibacterial polyester composite yarn involved in Example 1; Figure 2 This is a schematic diagram of the antibacterial polyester composite yarn involved in Example 2. Detailed Implementation
[0011] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0012] Example 1 Combination Figure 1 This embodiment will be described in detail below. The antibacterial polyester composite yarn involved in this embodiment includes a core yarn 1 and a wrapping yarn layer 2 spirally wound around the outside of the core yarn 1.
[0013] The core yarn 1 is a flax-antibacterial polyester filament composite yarn, comprising flax yarn and a first antibacterial polyester DTY filament wrapped around the outside of the flax yarn. Twisting and combining filaments with staple yarns can impart a structure and properties to the yarn that differ from both filament and staple yarns. Flax, due to its short fibers, high rigidity, and poor elasticity, is primarily spun using wet-laid long-fiber flax spinning technology, resulting in poor weaveability, high strength unevenness, and poor wrinkle resistance in the woven fabric. Polyester filaments, on the other hand, have high uniformity and good strength uniformity; combining the two can improve the evenness of the flax yarn. The main production technologies for combining flax yarn with polyester filaments include Sirofil yarn, twisted yarn, and wrapped yarn. In this embodiment, wrapped spinning is selected, and a hollow spindle wrapped spinning machine is used to spin the yarn, wrapping the first antibacterial polyester DTY filament around the outside of the flax yarn.
[0014] This wrapping spinning method allows the first antibacterial polyester DTY filament to be tightly wrapped around the outside of the linen yarn, forming a stable structure. During the spinning process, precise control of various parameters of the hollow spindle wrapping spinning machine is crucial, such as spindle speed, roller speed, and twist. A suitable spindle speed ensures that the first antibacterial polyester DTY filament is wound onto the linen yarn surface with appropriate tension and speed, resulting in a more uniform wrapping effect. Precise adjustment of the roller speed ensures that the linen yarn passes through at a uniform speed, avoiding uneven tension or yarn breakage. The twist directly affects the strength and hand feel of the composite yarn and needs to be adjusted according to actual requirements.
[0015] After wrapping, the resulting antibacterial linen-polyester filament composite yarn possesses unique properties. On one hand, the inherent rigidity of the linen yarn is preserved, giving the composite yarn a certain degree of stiffness, making textiles made from this composite yarn less prone to deformation and maintaining a good appearance. On the other hand, the antibacterial properties of the first antibacterial polyester DTY filament enable the composite yarn to inhibit bacterial growth, reducing odors and health risks caused by bacterial proliferation.
[0016] The wrapping layer 2 includes a first wrapping filament 21, which is a second antibacterial polyester DTY filament. The cross-section of the second antibacterial polyester DTY filament is cross-shaped, Y-shaped, or I-shaped. In this embodiment, a cross-shaped cross-section is chosen. This irregular cross-section design greatly increases the specific surface area of the fiber, thereby increasing the contact area between the fiber and air and moisture. When the composite yarn is used in textiles, sweat and other moisture can diffuse and evaporate more quickly on the fiber surface, thus achieving a good moisture-wicking effect. Wearing clothing containing this composite yarn can keep the body dry and comfortable, even under heavy sweating conditions.
[0017] When combining the core yarn 1 with the wrapping filament layer, a hollow spindle wrapping spinning machine can also be used to spin the yarn, wrapping the second antibacterial polyester DTY filament around the outside of the core yarn.
[0018] Furthermore, the cross-section of the first antibacterial polyester DTY filament is circular.
[0019] Example 2 Combination Figure 2This embodiment will be described in detail below. The antibacterial polyester composite yarn involved in this embodiment differs from that in Embodiment 1 in that the wrapping yarn layer 2 further includes a second wrapping yarn 22, which is a graphene-modified nylon 6 filament. The second antibacterial polyester DTY filament and the graphene-modified nylon 6 filament are wound in opposite directions. The second wrapping yarn in the wrapping yarn layer 2 is a graphene-modified nylon 6 filament with a cross-shaped cross section. Graphene possesses excellent conductivity, antibacterial properties, and far-infrared emission performance. Using it to modify nylon 6 filament not only gives this filament the advantages of nylon itself, such as high strength and abrasion resistance, but also adds antibacterial and health-promoting functions. Simultaneously, the opposite winding direction of the second antibacterial polyester DTY filament and the graphene-modified nylon 6 filament allows the wrapping yarn layer to adhere more tightly to the outside of the core yarn, enhancing the overall structural stability of the composite yarn. Furthermore, winding in different directions can form complex microstructures inside the composite filament, further improving its physical properties, such as tensile strength and elasticity.
[0020] In practical applications, this antibacterial polyester composite yarn can be widely used in multiple fields. In sportswear, its antibacterial and moisture-wicking properties meet the needs of athletes during high-intensity exercise, reducing bacterial growth and odor while keeping the body dry and improving comfort. In bedding, the composite yarn's crispness makes bedding less prone to wrinkles, maintaining a neat and attractive appearance, while its antibacterial properties provide a healthy sleeping environment. In medical protective equipment, such as masks and protective clothing, the composite yarn's antibacterial properties can effectively block the spread of bacteria and viruses, providing better protection for medical staff and patients.
[0021] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.
Claims
1. An antibacterial polyester composite yarn, characterized by, Includes core yarn (1) and wrapping yarn layer (2) spirally wound on the outside of core yarn (1); The core yarn (1) is a flax antibacterial polyester filament composite yarn, which includes flax yarn and a first antibacterial polyester DTY filament wrapped around the outside of the flax yarn; the wrapping yarn layer (2) includes a first wrapping yarn (21), which is a second antibacterial polyester DTY filament. The cross-section of the second antibacterial polyester DTY filament is cross-shaped, Y-shaped, or I-shaped.
2. The antibacterial polyester composite yarn according to claim 1, characterized in that, The first antibacterial polyester DTY filament has a circular cross-section.
3. The antibacterial polyester composite yarn according to claim 1, wherein the antibacterial agent is contained in the core yarn in an amount of 0.1 to 5% by weight. The wrapping filament layer (2) also includes a second wrapping filament (22), which is a graphene-modified nylon 6 filament.
4. The antibacterial polyester composite yarn according to claim 3, characterized in that, The second antibacterial polyester DTY filament and the graphene-modified nylon 6 filament are wound in opposite directions.
5. The antibacterial polyester composite yarn as claimed in claim 3, wherein, The cross-section of the graphene-modified nylon 6 filament is cross-shaped.