Nylon yarn with breathable function

Abstract

The utility model relates to the related technical field of nylon yarn structures, and discloses a nylon yarn with a breathable function, which comprises a core layer, a middle layer and a surface layer which are sequentially arranged from inside to outside, the core layer is of a porous honeycomb structure, and the porosity is 35%-45%; and the middle layer is made of spirally wound modified chinlon 6 filaments. According to the utility model, a continuous airflow passage is formed through a multi-stage pore channel structure of the core layer, so that the problem of longitudinal ventilation bottleneck is solved, and centrifugal force is generated through spiral winding of the middle layer to guide moisture to be discharged, so that the aim of improving the transverse diffusion efficiency is fulfilled; and the purposes of regulating and controlling the ventilation rate and preventing liquid reverse osmosis are achieved through the arrangement mode of the surface layer inverted cone micropores, so that the structure of the whole polyamide yarn is stable and reasonable, and the practicability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nylon silk structure related technical field especially a kind of nylon silk with ventilative function. BACKGROUND

[0002] Nylon silk is a kind of textile fabric, there are monofilament, strand, special yarn and many other types, compared with the gloss of silk, nylon silk fabric gloss is poor, feel like a layer of wax, simultaneously back and forth rub with hand, can feel the friction between fabrics.

[0003] Traditional nylon silk has the following defects: single-layer structure ventilation channel is single;Adding inorganic filler leads to strength decline;Surface hydrophilicity is poor, leading to sweat retention, in order to solve the above problems, a kind of nylon silk with ventilative function is proposed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of nylon silk with ventilative function, it solves the problem in above background technology.

[0005] The utility model solves its technical problem and is realized by the following technical scheme:

[0006] A kind of nylon silk with ventilative function, including by inside to outside sequentially arranged core layer, intermediate layer and surface layer;The core layer is porous honeycomb structure, porosity 35%~45%;The intermediate layer is the modified nylon 6 filament of spiral winding, winding angle 45°~60°;The surface layer is provided with array distribution's micropore structure 31, the micropore structure of the surface layer is inverted conical.

[0007] Preferably, including by inside to outside sequentially arranged core layer, intermediate layer and surface layer;The core layer is porous honeycomb structure, porosity 35%~45%;The intermediate layer is the modified nylon 6 filament of spiral winding, winding angle 45°~60°;The surface layer is provided with array distribution's micropore structure 31, the micropore structure of the surface layer is inverted conical.

[0008] Preferably, the modified nylon 6 filament of the intermediate layer contains mass fraction 3%~5% nano-silica particles, filament cross section is trilobal, monofilament fineness 1.2~1.8 dtex, spiral pitch and core layer diameter ratio is 1:1.2~1:1.5.

[0009] Preferably, the micropore structure opening end diameter 20 μm, bottom diameter 8 μm, hole depth 15~25 μm, surface is treated to form hydrophilic group by low temperature plasma, contact angle ≤30 °.

[0010] Preferably, the anti-bacterial layer is further included between the core layer and the intermediate layer, which is composed of chitosan / silver ion composite coating, with a thickness of 0.5-1.2 μm and a silver ion content of 2.8-3.5 mg / m 2 .

[0011] The utility model discloses the advantages and positive effects are: through the core layer multistage pore structure: form continuous airflow passage, thereby reach the problem of longitudinal breathable bottle neck is solved, and through the setting of intermediate layer spiral winding thereby produce centrifugal force and guide the moisture outward discharge, further reached the purpose of solving horizontal diffusion efficiency, still through the setting mode of surface layer inverted taper micropore to reach the purpose of regulating the air permeation rate and preventing liquid reverse infiltration, thereby make the structure of whole chinlon silk stable and reasonable, greatly improve practicality. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further described below in connection with the drawings and examples.

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is Figure 1 It is the structural schematic diagram of the intermediate layer spiral winding;

[0015] The marks in the drawings are described as follows:

[0016] 1, core layer; 11, main pore; 12, micropore;

[0017] 2, intermediate layer;

[0018] 3, surface layer; 31, micropore structure;

[0019] 4, anti-bacterial layer. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail in connection with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the components related to the utility model.

[0021] The utility model example is further described below in connection with the drawings:

[0022] Refer to Figure 1 And Figure 2The nylon filament is a kind of textile fabric, there are monofilament, strand, special yarn and many other types, compared with the gloss of silk, the gloss of nylon filament is poor, it is like coating a layer of wax, at the same time, the friction between the fabrics can be felt by rubbing back and forth with hands.

[0023] The traditional nylon filament has the following defects: single-layer structure, single ventilation channel; adding inorganic fillers leads to strength reduction; poor surface hydrophilicity leads to sweat retention, in order to solve the above problems, a kind of nylon filament with ventilation function is proposed; through the core layer multi-stage channel structure: forming a continuous airflow passage, so as to solve the problem of longitudinal ventilation bottleneck, and through the setting of the intermediate layer spiral winding to generate centrifugal force to guide the moisture outflow, thereby achieving the purpose of solving the horizontal diffusion efficiency, and through the setting mode of the surface inverted cone micropore to achieve the purpose of regulating the ventilation rate and preventing liquid reverse infiltration, so that the structure of the whole nylon filament is stable and reasonable, greatly improving the practicability.

[0024] It should be noted that the main channel 11 can also be provided with a rib-shaped reinforcing rib along the fiber axial extension direction, the rib height is 5-8 μm, the rib spacing is 80-120 μm, and the rib-shaped structure accounts for 8%-12% of the cross-sectional area of the core layer. Such setting is to further solve the problem of strength loss of porous materials.

[0025] Further, the core layer 1 is made of polyamide 610 and polyethylene glycol copolymer, the porous structure is formed by supercritical CO2 foaming, the pore size distribution is the main channel 11 with a diameter of 50-150 μm and the micropore 12 with a diameter of 10-30 μm, and the main channel communication rate is more than 85%.

[0026] It should be noted that the modified nylon 6 filament of the intermediate layer 2 contains 3%-5% of nano-silicon dioxide particles by mass fraction, the filament cross section is trilobal, the monofilament fineness is 1.2-1.8 dtex, and the spiral pitch to core layer diameter ratio is 1:1.2-1:1.5.

[0027] In addition, the micropore structure 31 has an opening end diameter of 20 μm, a bottom diameter of 8 μm, a pore depth of 15-25 μm, and a surface treated by low temperature plasma to form hydrophilic groups with a contact angle of ≤30°.

[0028] It is worth mentioning that the antibacterial layer 4 is further included, which is arranged between the core layer 1 and the intermediate layer 2, is composed of a chitosan / silver ion composite coating, has a thickness of 0.5-1.2 mu m, and has a silver ion content of 2.8-3.5 mg / m 2 .

[0029] It should be emphasized that the embodiments described in the present application are illustrative rather than restrictive, and thus the present application is not limited to the embodiments described in the specific embodiments, and any other embodiments derived by those skilled in the art according to the technical solutions of the present application also belong to the scope of protection of the present application.

Claims

1. A nylon yarn having a ventilation function, characterized by: It comprises a core layer (1), an intermediate layer (2) and a surface layer (3) arranged from inside to outside; the core layer (1) is a porous honeycomb structure with a porosity of 35-45%; the intermediate layer (2) is a modified nylon 6 filament spirally wound with an angle of 45-60°; and the surface layer (3) is provided with arrayed micro-porous structures (31) in an inverted conical shape.

2. The nylon yarn with air permeability according to claim 1, characterized in that: The core layer (1) is made of polyamide 610 and polyethylene glycol copolymer, and the porous structure is formed by supercritical CO2 foaming, with a pore size distribution of main channels (11) with a diameter of 50-150 μm and micro-pores (12) with a diameter of 10-30 μm, and a main channel connectivity rate of more than 85%.

3. The nylon yarn with air permeability according to claim 1, characterized in that: The modified nylon 6 filament of the intermediate layer (2) contains 3-5% by mass of nano-silica particles, has a trilobal cross section, a single filament fineness of 1.2-1.8 dtex, and a spiral pitch to core layer diameter ratio of 1:1.2-1:1.

5.

4. The nylon yarn with air permeability according to claim 1, characterized in that: The micro-porous structure (31) has an opening end diameter of 20 μm, a bottom diameter of 8 μm, a pore depth of 15-25 μm, and a surface treated by low-temperature plasma to form hydrophilic groups with a contact angle of ≤30°.

5. The nylon yarn with air permeability according to claim 1, characterized in that: Further comprising an antibacterial layer (4) which is arranged between the core layer (1) and the intermediate layer (2) and is composed of a chitosan / silver ion composite coating, with a thickness of 0.5-1.2 μm and a silver ion content of 2.8-3.5 mg / m 2 .

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