High-strength and high-elasticity polyester yarn

By twisting a variety of chemical fibers and high-toughness elastic fibers into the outside of polyester filaments, the problem of insufficient strength and recovery performance of polyester filaments is solved, achieving high strength, high elasticity and flame retardant effect.

CN223522747UActive Publication Date: 2025-11-07ZHUJI JUNQI CHEM FIBER CO LTD
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Patent Information

Application Number
CN202422846635.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-11-07
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing polyester filaments lack sufficient strength and post-stretch recovery, and also lack flame retardant properties.

Method used

The polyester filament is twisted with a reinforcing core wrapping filament using a twisting machine. It consists of three different chemical fiber filaments and is further reinforced with high-toughness elastic filaments and dense flame-retardant outer wrapping filaments. The composite structure is formed by hot-melt bonding.

Benefits of technology

It improves the strength and toughness of polyester filaments, increases their recovery performance after stretching, and has flame-retardant properties.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-strength and high-elasticity polyester yarns, and discloses a high-strength and high-elasticity polyester yarn, which comprises a polyester yarn and a reinforced core wrapping yarn twisted outside the polyester yarn through a twisting machine, and the reinforced core wrapping yarn is composed of at least three chemical fibers made of different materials. The diameter of the chemical fiber monofilament of the reinforced core wrapping wire is smaller than that of the polyester yarn monofilament, and a high-toughness stretch yarn is further arranged outside the reinforced core wrapping wire through twisting and hot melting forming. The reinforced core wrapping filaments are arranged outside the polyester filaments in a reinforced twisting mode, the strength and toughness of the polyester filaments are effectively improved, the polyester filaments can recover to the original length after being stretched at a high stretch rate, and the polyester filaments are high in durability and have a flame-retardant effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high strength high elasticity polyester silk technical field especially high strength high elasticity polyester silk. BACKGROUND

[0002] The characteristic of polyester silk is that it can resist chemicals and frequent washing, reduces clothes discoloration and decolorization phenomenon, therefore, hotel uniform, stone mill blue jean clothes, sportswear or children's clothing can be made of polyester silk.

[0003] At present, along with the social progress, people's wearing requirement is also higher and higher, in addition to wearing comfortable, people's requirement to clothing is not only beautiful, wear-resistant, also pay more and more attention to functionalization, pursue comfortable, quality life, but the current polyester silk structure is single, its strength and recovery performance after stretching need to be improved. INNOVATION CONTENT

[0004] A kind of high strength high elasticity polyester silk, including a polyester silk and the reinforcing core wrapping silk that is twisted in the outside of the polyester silk by twisting machine, the reinforcing core wrapping silk is composed of at least three different materials of chemical fiber silk, and the chemical fiber single yarn diameter of the reinforcing core wrapping silk is less than the single yarn diameter of the polyester silk, high toughness elastic silk is further provided by twisting and hot melt forming in the outside of the reinforcing core wrapping silk.

[0005] Preferably, the reinforcing core wrapping silk includes spandex fiber silk, acrylic fiber silk, shaped hollow polyester fiber silk, the spandex fiber silk and the acrylic fiber silk and the shaped hollow polyester fiber silk are alternately twisted and arranged in the outside of the polyester silk.

[0006] Preferably, the twisting coefficient of the spandex fiber silk, acrylic fiber silk, shaped hollow polyester fiber silk is-.

[0007] Preferably, the twisting coefficient of the high toughness elastic silk is-, and the twisting direction of the high toughness elastic silk is opposite to the twisting direction of the reinforcing core wrapping silk.

[0008] Preferably, high-density flame-retardant outer wrapping silk is further provided in the outside of the high toughness elastic silk, the high-density flame-retardant outer wrapping silk is covered in the outside of the high toughness elastic silk by hot melt adhesion, effectively increases flame retardancy.

[0009] The utility model has the advantages and positive effects that: by strengthening and twisting and setting reinforcing core wrapping silk in the outside of polyester silk, effectively increase its strength and toughness, and can restore original length after high-stretching rate stretching, and the durability of silk thread is high, and has flame-retardant effect. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model is further explained in connection with the drawings and examples.

[0011] Figure 1 It is the cross section amplification structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0012] The utility model will be explained further in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only the basic structure of the utility model is schematically shown, therefore it only shows the structure related to the utility model.

[0013] The utility model embodiment will be explained further in detail in combination with the drawings:

[0014] As Figure 1 Indicated, a kind of high-strength high elasticity polyester filament of the utility model, including a polyester filament 15 and the reinforcing core wrapping silk 16 twisted together in the outside of the polyester filament 15 by twisting machine, the reinforcing core wrapping silk 16 is composed of at least three different materials of chemical fiber silk, and the chemical fiber monofilament diameter of the reinforcing core wrapping silk 16 is less than the monofilament diameter of the polyester filament 15, high tenacity elastic silk 11 is further provided by twisting and hot melt forming in the outside of the reinforcing core wrapping silk 16.

[0015] Preferably, the reinforcing core wrapping silk 16 includes spandex fiber silk 12, acrylic fiber silk 13, profiled hollow polyester fiber silk 14, the spandex fiber silk 12 and the acrylic fiber silk 13 and the profiled hollow polyester fiber silk 14 are alternately twisted and arranged in the outside of the polyester filament 15.

[0016] Preferably, the twisting coefficient of the spandex fiber silk 12, acrylic fiber silk 13, profiled hollow polyester fiber silk 14 is 300-350.

[0017] Preferably, the twisting coefficient of the high tenacity elastic silk 11 is 250-300, and the twisting direction of the high tenacity elastic silk 11 and the twisting direction of the reinforcing core wrapping silk 16 are opposite.

[0018] Preferably, encryption flame-retardant outer wrapping silk 10 is further provided in the outside of the high tenacity elastic silk 11, the encryption flame-retardant outer wrapping silk 10 is covered in the outside of the high tenacity elastic silk 11 by hot melt adhesion, effectively increases flame retardancy.

[0019] It needs to be emphasized that the embodiment of the utility model is illustrative, not restrictive, therefore the utility model is not limited to the embodiment described in specific embodiment, and other embodiments derived from the technical solution of the utility model by the person skilled in the art, same also belongs to the scope of protection of the utility model.

Claims

1. A high-strength high-elasticity polyester yarn, characterized by: The yarn comprises a polyester filament (15) and a reinforcing core wrapping filament (16) twisted outside the polyester filament (15) by a twisting machine, the reinforcing core wrapping filament (16) is composed of at least three different chemical fiber filaments, and the diameter of the chemical fiber filament of the reinforcing core wrapping filament (16) is smaller than the diameter of the polyester filament (15), and a high-toughness elastic filament (11) is further provided outside the reinforcing core wrapping filament (16) by twisting and hot melting forming.

2. The high-strength and high-elasticity polyester yarn according to claim 1, wherein: The reinforcing core wrapping filament (16) comprises spandex fiber filaments (12), acrylic fiber filaments (13) and profiled hollow polyester fiber filaments (14), the spandex fiber filaments (12), the acrylic fiber filaments (13) and the profiled hollow polyester fiber filaments (14) are alternately twisted and arranged outside the polyester filament (15).

3. The high-strength and high-elasticity polyester yarn according to claim 2, characterized in that: The twisting coefficient of the spandex fiber filaments (12), the acrylic fiber filaments (13) and the profiled hollow polyester fiber filaments (14) is 300-350.

4. The high-strength and high-elasticity polyester yarn according to claim 3, characterized in that: The twisting coefficient of the high-toughness elastic filament (11) is 250-300, and the twisting direction of the high-toughness elastic filament (11) is opposite to the twisting direction of the reinforcing core wrapping filament (16).

5. The high-strength and high-elasticity polyester yarn according to claim 4, wherein: A high-density flame-retardant outer wrapping filament (10) is further provided outside the high-toughness elastic filament (11), the high-density flame-retardant outer wrapping filament (10) is coated outside the high-toughness elastic filament (11) by hot melting adhesion, effectively increasing the flame retardancy.