Special-shaped spinneret plate, anti-ultraviolet chinlon special-shaped filament based on special-shaped spinneret plate and hydrophilic anti-ultraviolet chinlon fabric based on special-shaped spinneret plate

Abstract

The utility model discloses a special-shaped spinneret plate, an anti-ultraviolet chinlon special-shaped filament based on the special-shaped spinneret plate and a hydrophilic anti-ultraviolet chinlon fabric based on the special-shaped spinneret plate, the special-shaped spinneret plate comprises a spinneret plate body, a plurality of spinneret orifices are formed in the spinneret plate body, and the anti-ultraviolet chinlon special-shaped filament and the hydrophilic anti-ultraviolet chinlon fabric are arranged in the spinneret plate body. The section shape of each spinneret hole comprises a round hole located in the center and a plurality of special-shaped holes extending outwards in a radial shape with the round hole as the center, and the special-shaped holes are the same in shape and size; the special-shaped hole comprises an annular outer hole and a connecting inner hole formed in the annular outer hole, the inner hole wall of the annular outer hole is connected with the outer end of the connecting inner hole, and a notch is formed in the outer end of the annular outer hole. The anti-ultraviolet fabric has the beneficial effects that the fabric is good in anti-ultraviolet property, and the anti-ultraviolet grade is UPF (Ultra Performance Factor) greater than or equal to 45; the fabric is made of the anti-ultraviolet chinlon special-shaped filaments of a special structure, and the micro grooves are distributed in the surfaces of the anti-ultraviolet chinlon special-shaped filaments, so that the moisture absorption and sweat releasing performance and the soft and refreshing performance of the fabric can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a fabric, in particular to a special-shaped spinneret and anti-ultraviolet nylon special-shaped filaments and hydrophilic anti-ultraviolet nylon fabrics based on the special-shaped spinneret. Background Art

[0002] With the enhancement of health awareness and the advent of the era of personalized consumption, people are paying more and more attention to physical health and convenience of life, and their demand for clothing is more focused on lightweight, functional and fashionable. In recent years, light and thin nylon fabrics such as thin sun protection clothing, lightweight sports outerwear and casual clothing have been favored by consumers. Generally speaking, high-count and high-density chemical fiber fabrics have a certain anti-ultraviolet effect, but their moisture absorption and moisture permeability are poor. For light and thin chemical fiber fabrics, they can be given anti-ultraviolet properties by coating, but it will affect the moisture absorption and moisture permeability of the fabric. For nylon, its main chain of the molecule is easy to form strong hydrogen bonds between molecules because it contains amide groups, and the fiber has high crystallinity, resulting in poor moisture absorption and moisture conductivity of the fiber itself.

[0003] Therefore, how to make thin and light nylon fabrics have anti-ultraviolet and fast moisture absorption functions to improve the wearing comfort and functionality of nylon fabrics is a key point and difficulty that needs to be solved urgently. Summary of the invention

[0004] In order to overcome the defects of the above-mentioned prior art, the utility model provides a shaped spinneret which has anti-ultraviolet, moisture absorption and perspiration and soft and refreshing properties, while also improving its anti-static properties, and anti-ultraviolet nylon shaped filaments and hydrophilic anti-ultraviolet nylon fabrics based on the shaped spinneret.

[0005] The utility model is realized by the following technical measures:

[0006] A special-shaped spinneret comprises a spinneret body, in which a plurality of spinneret holes are arranged, characterized in that: the cross-sectional shape of the spinneret hole comprises a circular hole located in the center and a plurality of special-shaped holes extending outward in a radial shape with the circular hole as the center, and each of the special-shaped holes has the same shape and size; the special-shaped hole comprises an annular outer hole and a connecting inner hole arranged in the annular outer hole, the inner hole wall of the annular outer hole is connected to the outer end of the connecting inner hole, and the outer end of the annular outer hole has a notch.

[0007] Preferably, the outer contour of the annular outer hole is spindle-shaped, elliptical or rectangular.

[0008] More preferably, the outer contour of the annular outer hole is spindle-shaped.

[0009] More preferably, an even number of connecting inner holes with rectangular cross-sections are symmetrically arranged in each of the annular outer holes, and the connecting inner holes are symmetrically arranged on two opposite inner hole walls of the annular outer hole.

[0010] Preferably, a plurality of depressions are arranged at intervals on the outer hole wall of the annular outer hole.

[0011] More preferably, the cross section of the recess is arc-shaped.

[0012] Preferably, the number of the special-shaped holes is 3, and the angle between adjacent special-shaped holes is approximately 120°.

[0013] A UV-resistant nylon shaped filament based on the shaped spinneret described in the present application.

[0014] Preferably, the cross-sectional shape of the anti-ultraviolet nylon shaped filament is complementary to the cross-sectional shape of the spinneret hole, and the cross-sectional shape of the anti-ultraviolet nylon shaped filament includes a center point and a plurality of blades radially surrounding the center point, and each of the blades has the same shape and size; the outer surface of the blade is provided with a micro groove extending along the longitudinal axis of the filament, and each of the blades is provided with a shaped cavity for air circulation. The outer end of the shaped cavity has an opening, which can facilitate air in and out and heat dissipation.

[0015] Preferably, a plurality of micro grooves are provided on the outer surface of the blade, and the number of the micro grooves on each blade is not less than 4.

[0016] The utility model discloses a hydrophilic anti-ultraviolet nylon fabric, which is characterized in that: the hydrophilic anti-ultraviolet nylon fabric comprises an anti-ultraviolet nylon surface layer, an antibacterial layer, and a water-absorbing inner lining layer which are stacked in sequence; the anti-ultraviolet nylon surface layer and the water-absorbing inner lining layer are both interwoven with warp and weft threads, and the warp and weft threads are twisted with the anti-ultraviolet nylon special-shaped filaments; the anti-ultraviolet nylon surface layer and the water-absorbing inner lining layer contain metal wires; and the antibacterial layer is woven with silver fibers.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the fabric has good UV resistance, with an UV resistance level of UPF≧45; the fabric is made of UV-resistant nylon shaped filaments with a special structure, and micro-grooves are arranged on the surface of the UV-resistant nylon shaped filaments, which can effectively improve the moisture absorption and perspiration discharge and softness of the fabric, wherein the moisture absorption and perspiration discharge of the fabric: the wetting time of the penetration surface ≥ level 3, the water absorption rate of the penetration surface ≥ level 3, and the one-way transfer index ≥ level 3; the wicking height: ≥8cm / 30min; the drip diffusion time: ≤6s; the addition of metal wires in the UV-resistant nylon surface layer and the water-absorbent lining layer of the fabric can improve its antistatic property, and the antistatic property: the surface resistivity ≤1×1010Ω, the half-life: ≤6s. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of a special-shaped spinneret in one embodiment of the utility model.

[0019] Figure 2 It is a structural diagram of a spinneret hole in one embodiment of the utility model.

[0020] Figure 3 This is a structural diagram of a special-shaped spinneret in another embodiment of the utility model.

[0021] Figure 4 It is a structural diagram of a spinneret hole in one embodiment of the utility model.

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the UV-resistant nylon shaped filament in one embodiment of the utility model.

[0023] Figure 6 It is a schematic diagram of the cross-sectional structure of the UV-resistant nylon shaped filament in another embodiment of the utility model.

[0024] Figure 7 It is a schematic structural diagram of the hydrophilic UV-proof nylon fabric of the utility model.

[0025] Figure 8 for Figure 7 AA section view.

[0026] In the attached figure:

[0027] 1. Spinneret body; 11. Spinneret hole; 111. Circular hole; 112. Special-shaped hole; 1121. Annular outer hole; 1122. Connecting inner hole; 1123. Concave; 1124. Notch;

[0028] 2. Anti-ultraviolet nylon shaped filament; 21. center point; 22. blade; 221. micro groove; 222. shaped cavity; 223. opening;

[0029] 3. Hydrophilic and anti-ultraviolet nylon fabric; 31. Anti-ultraviolet nylon surface layer; 32. Antibacterial layer; 33. Water-absorbent lining layer; 34. Breathable holes. DETAILED DESCRIPTION

[0030] The following describes the implementation of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. The present application can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application.

[0031] It should be noted that the process equipment or devices not specifically specified in the following embodiments are all conventional equipment or devices in the art.

[0032] In addition, it should be understood that one or more method steps mentioned in this application do not exclude the existence of other method steps before or after the combination step or the insertion of other method steps between these explicitly mentioned steps, unless otherwise specified; it should also be understood that the combination connection relationship between one or more devices / apparatuses mentioned in this application does not exclude the existence of other devices / apparatuses before or after the combination device / apparatus or the insertion of other devices / apparatuses between these two explicitly mentioned devices / apparatuses, unless otherwise specified. Moreover, unless otherwise specified, the numbering of each method step is only a convenient tool for identifying each method step, and is not intended to limit the order of arrangement of each method step or the scope of implementation of this application. Changes or adjustments in their relative relationships shall also be regarded as the scope of implementation of this application without substantial changes in the technical content.

[0033] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0034] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, "multiple" means two or more.

[0035] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0037] The present application is further described below in conjunction with specific embodiments, but the protection scope of the present application is not limited thereto.

[0038] like Figure 1 to Figure 4 As shown, a special-shaped spinneret described in the utility model includes a spinneret body 1, in which a plurality of spinneret holes 11 for producing filaments are arranged, and the cross-sectional shape of the spinneret holes 11 includes a circular hole 111 located in the center and a plurality of special-shaped holes 112 extending outward in a radial shape with the circular hole 111 as the center, and each of the special-shaped holes 112 has the same shape and size; the special-shaped hole 112 includes an annular outer hole 1121 and a connecting inner hole 1122 arranged in the annular outer hole, the inner hole wall of the annular outer hole 1121 is connected to the outer end of the connecting inner hole 1122, and the outer end of the annular outer hole 1121 has a notch 1124.

[0039] In some embodiments of the present invention, the outer contour of the annular outer hole 1121 is spindle-shaped, elliptical or rectangular.

[0040] In some embodiments of the present invention, the outer contour of the annular outer hole 1121 is spindle-shaped.

[0041] In some embodiments of the present invention, four connecting inner holes 1122 with rectangular cross-sections are symmetrically arranged in each of the annular outer holes 1121 , and the four connecting inner holes 1122 are symmetrically arranged on two opposite inner hole walls of the annular outer hole.

[0042] In some embodiments of the present invention, a plurality of recesses 1123 are disposed at intervals on the inner hole wall of the annular outer hole 1121 .

[0043] In some embodiments of the present invention, the cross section of the recess 1123 is arc-shaped.

[0044] In some embodiments of the present invention, on the inner hole wall of the same annular outer hole 1121 , the recesses 1123 and the connecting inner holes 1122 are alternately distributed.

[0045] In some embodiments of the present invention, the number of the special-shaped holes 112 is 3, and the angle between adjacent special-shaped holes 112 is approximately 120°.

[0046] In some embodiments of the present invention, the connection between the connecting inner hole 1122 and the annular outer hole 1121 is smoothly transitioned, and the inner end of the connecting inner hole 1122 has a rounded transition.

[0047] like Figure 5 and Figure 6 As shown, the utility model describes an anti-ultraviolet nylon shaped filament based on the shaped spinneret.

[0048] In some embodiments of the utility model, the anti-ultraviolet nylon shaped filament 2 is a fiber with the ability to resist ultraviolet damage or a fiber with anti-ultraviolet additives added. It can be prepared by adding anti-ultraviolet additives. Commonly used anti-ultraviolet additives or light stabilizers are manganese salts and hypophosphorous acid, manganese borate, aluminum silicate, and a mixture of manganese salts and cerium salts, etc.; the fiber can also be modified.

[0049] like Figure 5 and Figure 6 As shown, the cross-sectional shape of the anti-ultraviolet nylon shaped filament 2 described in the utility model is complementary to the cross-sectional shape of the spinneret hole 11, and the cross-sectional shape of the anti-ultraviolet nylon shaped filament 2 includes a center point 21 and a plurality of blades 22 radially surrounding the center point, and each of the blades 22 has the same shape and size; the outer surface of the blade 22 is provided with a micro groove 221 extending along the longitudinal axis of the filament, and the interior of each blade 22 is provided with a special-shaped cavity 222 for air circulation. Due to the micro grooves 221 provided on the anti-ultraviolet nylon shaped filament 2, the capillary phenomenon generated causes sweat to quickly migrate to the surface of the fabric and dissipate through the effects of wicking, diffusion, transmission, etc., thereby achieving the purpose of moisture conduction and quick drying. Since the cross-sectional shape of the anti-ultraviolet nylon shaped filament 2 is complementary to the cross-sectional shape of the spinneret hole 11, the number of micro grooves formed on the surface of the anti-ultraviolet nylon shaped filament 2 is the same as the number of depressions 1123. The outer end of the special-shaped cavity 222 has an opening 223 to facilitate air inflow and outflow and heat dissipation.

[0050] In some embodiments of the utility model, six micro grooves 221 are arranged on the surface of each blade. Therefore, a total of 18 micro grooves are arranged on the entire anti-ultraviolet nylon shaped filament 2, which is more than three times the number of ordinary nylon filaments. The sweat absorption effect is significantly improved.

[0051] like Figure 7The utility model describes a hydrophilic anti-ultraviolet nylon fabric, wherein the hydrophilic anti-ultraviolet nylon fabric 3 comprises an anti-ultraviolet nylon surface layer 31, an antibacterial layer 32, and a water-absorbing lining layer 33 which are stacked in sequence, wherein the anti-ultraviolet nylon surface layer 31 and the water-absorbing lining layer 33 are both interwoven with warp threads and weft threads, and the warp threads and the weft threads are twisted with the anti-ultraviolet nylon shaped filaments 2; the anti-ultraviolet nylon surface layer 31 and the water-absorbing lining layer 33 contain metal wires; and the antibacterial layer 32 is woven with silver fibers.

[0052] In some embodiments of the present invention, the hydrophilic anti-ultraviolet nylon fabric is provided with a plurality of ventilation holes 34. The diameter of the ventilation holes is 15-25 μm, which can facilitate heat dissipation.

[0053] It has been determined that the hydrophilic anti-ultraviolet nylon fabric described in the utility model has good anti-ultraviolet property, and the anti-ultraviolet level is UPF≧45; the fabric is made of anti-ultraviolet nylon shaped filaments with a special structure, and micro-grooves are arranged on the surface of the anti-ultraviolet nylon shaped filaments, which can effectively improve the moisture absorption and perspiration and softness of the fabric, wherein the moisture absorption and perspiration of the fabric: the wetting time of the penetration surface ≥ level 3, the water absorption rate of the penetration surface ≥ level 3, the one-way transfer index ≥ level 3; the wicking height: ≥8cm / 30min; the drip diffusion time: ≤6s; the addition of metal wire in the anti-ultraviolet nylon surface layer and the water-absorbent lining layer of the fabric can improve its antistatic property, antistatic property: surface resistivity ≤1×1010Ω, half-life: ≤6s.

[0054] The above examples are intended to illustrate the embodiments disclosed in the present utility model and should not be construed as limitations on the present utility model. In addition, the various modifications listed herein and the changes in the methods and compositions in the utility model are obvious to those skilled in the art without departing from the scope and spirit of the present utility model. Although the present utility model has been specifically described in conjunction with a variety of specific preferred embodiments of the present utility model, it should be understood that the present utility model should not be limited to these specific embodiments. In fact, various modifications as described above that are obvious to those skilled in the art to obtain the utility model should be included in the scope of the present utility model.

Claims

1. A special-shaped spinneret, comprising a spinneret body (1), wherein a plurality of spinneret holes (11) are arranged in the spinneret body (1), characterized in that: The cross-sectional shape of the spinneret hole (11) comprises a circular hole (111) located in the center and a plurality of irregular holes (112) extending outward in a radial shape with the circular hole (111) as the center, and each irregular hole (112) has the same shape and size; the irregular hole (112) comprises an annular outer hole (1121) and a connecting inner hole (1122) arranged in the annular outer hole, the inner hole wall of the annular outer hole (1121) is connected to the outer end of the connecting inner hole (1122), and the outer end of the annular outer hole (1121) has a notch (1124).

2. The special-shaped spinneret according to claim 1, characterized in that: The outer contour of the annular outer hole (1121) is spindle-shaped, elliptical or rectangular.

3. The special-shaped spinneret according to claim 2, characterized in that: The outer contour of the annular outer hole (1121) is spindle-shaped.

4. The special-shaped spinneret according to claim 1, characterized in that: An even number of connecting inner holes (1122) with rectangular cross-sections are symmetrically arranged in each of the annular outer holes (1121), and the connecting inner holes (1122) are symmetrically arranged on two opposite inner hole walls of the annular outer hole.

5. The special-shaped spinneret according to claim 1, characterized in that: A plurality of recesses (1123) are arranged at intervals on the outer hole wall of the annular outer hole (1121).

6. The special-shaped spinneret according to claim 5, characterized in that: The cross section of the recess (1123) is arc-shaped.

7. The special-shaped spinneret according to claim 1, characterized in that: The number of the special-shaped holes (112) is 3, and the angle between adjacent special-shaped holes (112) is 120°. 8.An anti-ultraviolet nylon shaped filament, characterized by: The anti-ultraviolet nylon shaped filament is prepared based on the shaped spinneret described in any one of claims 1 to 7.

9. The UV-resistant nylon shaped filament according to claim 8, characterized in that: The cross-sectional shape of the UV-resistant nylon shaped filament (2) is complementary to the cross-sectional shape of the spinneret hole (11); the cross-sectional shape of the UV-resistant nylon shaped filament (2) comprises a center point (21) and a plurality of blades (22) radially surrounding the center point; each blade (22) has the same shape and size; the outer surface of the blade (22) is provided with a micro groove (221) extending along the longitudinal axis of the filament; and each blade (22) is provided with a shaped cavity (222) for air circulation.

10. A hydrophilic anti-ultraviolet nylon fabric, characterized by: The hydrophilic anti-ultraviolet nylon fabric (3) comprises an anti-ultraviolet nylon surface layer (31), an antibacterial layer (32), and a water-absorbing lining layer (33) which are stacked in sequence; the anti-ultraviolet nylon surface layer (31) and the water-absorbing lining layer (33) are both formed by interweaving warp yarns and weft yarns, and the warp yarns and the weft yarns are twisted with the anti-ultraviolet nylon shaped filaments (2) described in claim 9; the anti-ultraviolet nylon surface layer (31) and the water-absorbing lining layer (33) contain metal wires; and the antibacterial layer (32) is woven from silver fibers.

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