Antioxidant polyester composite yarn

Abstract

The utility model relates to the technical field of polyester composite yarns, and discloses an anti-oxidation polyester composite yarn, which comprises a plurality of composite single-group yarns, the composite single-group yarns are formed by twisting and winding, spiral gaps among the composite single-group yarns are coated with water-repellent film glue, the number of the composite single-group yarns is odd, and the number of the composite single-group yarns is larger than that of the composite single-group yarns. The single composite single-group wire located in the middle is a fixed wire, and the other composite single-group wires are winding wires and are arranged outside the fixed wire according to the twisting coefficient. According to the utility model, a plurality of materials are twisted, and the exposed surface of the outer part is sealed, so that the area of the inner core exposed under oxygen and ozone is effectively reduced, and the inner core keeps good mechanical property.

Description

Technical Field

[0001] The utility model relates to the technical field of polyester composite filaments, in particular to an antioxidant polyester composite filament. Background Art

[0002] Polyester filament is made of polyester into long filaments. Polyester is an important variety in synthetic fibers and is the trade name of polyester fiber in China. It is made from purified terephthalic acid or dimethyl terephthalate and ethylene glycol as raw materials, through esterification or transesterification and polycondensation reactions to obtain the fiber-forming high polymer - polyethylene terephthalate, and then made into fibers through spinning and post-treatment. The so-called polyester filament is a filament with a length of more than one kilometer.

[0003] There are certain drawbacks in the use of existing composite polyester filaments. When existing composite polyester filaments are in use, the polyester filaments have good stability, especially the antioxidant and anti-aging properties need to be improved. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: in order to overcome the problems existing above, an antioxidant polyester composite filament is provided, which solves the above problems.

[0005] The utility model solves its technical problem by adopting the following technical solutions:

[0006] An antioxidant polyester composite filament includes a number of composite single groups of filaments. The composite single groups of filaments are twisted and wound into a shape, and a water-repellent film adhesive is coated at the spiral gap between the composite single groups of filaments. The number of the composite single groups of filaments is odd, the single composite single group of filament in the middle is a fixed filament, and the rest of the composite single groups of filaments are winding filaments, and the twisting coefficient is set outside the fixed filament.

[0007] Preferably, the twisting coefficient of the composite single groups of filaments is.

[0008] Preferably, the composite single groups of filaments include polyester filaments, aramid filaments and viscose fibers.

[0009] Preferably, the polyester filaments, the aramid filaments and the viscose fibers are twisted and melted into a thread.

[0010] Preferably, an antioxidant finishing agent is hot-coated and cold-cured at the gap between the polyester filaments, the aramid filaments and the viscose fibers.

[0011] Preferably, the thickness of the water-repellent film adhesive does not exceed half of the radius of a single composite single group of filament.

[0012] The advantages and positive effects of the present utility model are as follows: By twisting multiple materials and sealing their externally exposed surfaces, the area exposed to oxygen and ozone is effectively reduced, enabling the inner core to maintain good mechanical properties. Brief Description of the Drawings

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0014] Figure 1 is a schematic structural view of the present utility model;

[0015] Figure 2 is Figure 1 an enlarged structural view of the composite single - strand wire 10 in

[0016] The reference numerals in the drawings are described separately as follows: 10, composite single - strand wire; 11, water - repellent film glue; 12, polyester filament; 13, aramid filament; 14, antioxidant finishing agent; 15, viscose fiber. Detailed Description of the Preferred Embodiments

[0017] Now, the present utility model will be further described in detail with reference to the drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0018] The following will further elaborate on the embodiments of the present utility model with reference to the drawings:

[0019] As Figure 1-2 shown, an antioxidant polyester composite filament according to the present utility model includes a plurality of composite single - strand wires 10. The composite single - strand wires 10 are twisted and wound into a shape, and water - repellent film glue 11 is coated in the spiral gaps between the composite single - strand wires 10. The number of the composite single - strand wires 10 is odd. The single composite single - strand wire 10 in the middle is a fixed wire, and the remaining composite single - strand wires 10 are winding wires, which are arranged outside the fixed wire with a twisting coefficient of 330 to 360.

[0020] Preferably, the twisting coefficient of the composite single - strand wire 10 is 350.

[0021] Preferably, the composite single - strand wire 10 includes a polyester filament 12, an aramid filament 13, and a viscose fiber 15.

[0022] Preferably, the polyester filament 12, the aramid filament 13, and the viscose fiber 15 are twisted and heat - melted into a thread.

[0023] Preferably, an antioxidant finishing agent 14 is thermally applied and cold - cured in the gaps between the polyester filament 12, the aramid filament 13, and the viscose fiber 15.

[0024] Preferably, the thickness of the water-repellent film adhesive 11 does not exceed half of the radius of a single composite single filament 10.

[0025] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manners. Any other implementation manners obtained by those skilled in the art based on the technical solutions of the present invention also fall within the scope of protection of the present invention.

Claims

1. An antioxidant polyester composite yarn, characterized in that: The invention comprises a plurality of composite single-group wires (10), wherein the composite single-group wires (10) are twisted and wound to form a shape, and a water-repellent film glue (11) is coated at the spiral gaps between the composite single-group wires (10), the number of the composite single-group wires (10) is an odd number, the single composite single-group wire (10) located in the middle is a fixed wire, and the remaining composite single-group wires (10) are winding wires arranged outside the fixed wire with a twist coefficient of 330 to 360.

2. The antioxidant polyester composite yarn according to claim 1, characterized in that: The twist coefficient of the composite single-group yarn (10) is 350.

3. The antioxidant polyester composite yarn according to claim 2, characterized in that: The composite single-group yarn (10) comprises polyester filaments (12), aramid filaments (13) and viscose fibers (15).

4. The antioxidant polyester composite yarn according to claim 3, characterized in that: The polyester filaments (12), the aramid filaments (13) and the viscose fibers (15) are twisted and hot-melted into threads.

5. The antioxidant polyester composite yarn according to claim 4, characterized in that: An anti-oxidation finishing agent (14) is applied hot and then cold cured at the gaps between the polyester filaments (12), the aramid filaments (13) and the viscose fibers (15).

6. The antioxidant polyester composite yarn according to claim 5, characterized in that: The thickness of the water-repellent film adhesive (11) does not exceed half the radius of a single composite single-group thread (10).

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