Weft-knitted strong sunscreen heat-shielding cool-feeling composite fabric

By interweaving high-F-count nylon yarn with high titanium dioxide content yarn in the sun-protective fabric to form an air layer structure, the problems of insufficient tightness and heat-blocking effect of the sun-protective fabric are solved, achieving improved sun protection and heat-blocking performance and a cooling experience, while reducing dyeing and finishing costs.

CN223852915UActive Publication Date: 2026-01-30FUJIAN KBOXING WARPKNITTING
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Patent Information

Application Number
CN202422998355.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2026-01-30
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing sun protection fabrics lack sufficient resilience and firmness, resulting in inadequate sun protection and heat-blocking effects, and thus cannot meet the needs of multifunctional composite fabrics.

Method used

It uses high-F-count 20D/24F nylon matte DTY yarn and 20D fine denier spandex with alternating S-twist and Z-twist patterns, combined with high-titanium dioxide content 25D/24F nylon matte FDY yarn and 20D fine denier spandex to form an air layer structure, which enhances the fabric's shrinkage and tightness. It is woven on a 40-needle weft knitting open-width circular knitting machine and then subjected to ultrasonic washing, pre-setting, and overflow dyeing.

Benefits of technology

It achieves improved sun protection and heat-blocking performance, increases the fabric's tightness and shrinkage capacity, provides a cooling experience, and the dyeing and finishing process is environmentally friendly, efficient, and inexpensive.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of fabrics, in particular to a weft-knitted strong sunscreen heat-shielding cool composite fabric, which comprises a fabric body integrally knitted by a weft-knitted circular knitting machine, the fabric body comprises a first yarn, the first yarn is of a six-way knitted structure, and each way of the first yarn is composed of two coils. According to the fabric, high-F-number 20D / 24F chinlon matt DTY yarn is selected, one path of S twist and one path of Z twist are arranged at intervals, and the 20D / 24F chinlon matt DTY yarn and 20D fine denier spandex are fed for weaving at the same time; 25D / 24F chinlon matt FDY yarns with a skin-core layer structure and high titanium dioxide content are selected as bottom yarns, and the 25D / 24F chinlon matt FDY yarns and 20D fine denier spandex are simultaneously fed for weaving; the connecting layer is made of 20D fine denier spandex and is used for connecting the surface yarn and the bottom yarn, so that the whole fabric forms an air layer structure, the retraction capacity of the fabric is improved, the compactness is increased, and the sun-proof and heat-shielding performance is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fabric, especially relates to a weft-knitted strong sun-proof heat-shielding cool-feeling composite fabric. BACKGROUND

[0002] The domestic sun-proof fabric technology research and development is breaking through ceaselessly, adopts the advanced technology, makes the performance of sun-proof fabric to obtain the remarkable promotion. For example, the content of the anti-ultraviolet material in the yarn is increased, the sun-proof effect of the fabric can be further enhanced, the ultraviolet protection coefficient is improved, and the consumers can be more effectively protected when they are outdoors. The high sun-proof effect has become an inevitable trend.

[0003] In addition, the comfortable experience multifunctional composite fabric is also becoming an important trend of sun-proof fabric development. In addition to the traditional sun-proof clothes, more products with innovative functions need to appear, but the existing sun-proof fabric has unsatisfactory resilience, tightness and sun-proof and heat-shielding effect, and relative improvement is needed. SUMMARY

[0004] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present utility model. The objects and other advantages of the present utility model can be realized and obtained by the structures specifically pointed out in the description and other accompanying drawings of the description.

[0005] The utility model aims at overcoming the above-mentioned defects, and provides a weft-knitted strong sun-proof heat-shielding cool-feeling composite fabric to solve the existing problems.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a weft-knitted strong sun-proof heat-shielding cool-feeling composite fabric comprises a fabric body integrally knitted by a weft-knitting circular knitting machine, and the fabric body comprises first yarn, the first yarn is a 6-way knitting structure, and every 1 way of the first yarn is composed of 2 loops.

[0007] In some embodiments, the first yarn of the first way of the needle cylinder is looped, and the rest is not knitted.

[0008] In some embodiments, the first yarn of the second way of the needle disc is looped, and the rest is not knitted.

[0009] In some embodiments, the second needle of the third needle disc of the first yarn and the first needle of the needle cylinder are tacked, and the rest is not knitted.

[0010] In some embodiments, the first yarn of the first way of the needle cylinder is looped, and the rest is not knitted.

[0011] In some embodiments, the first yarn of the first 5 dial stitches the first and second needles, and the remaining needles are not knitted.

[0012] In some embodiments, the first yarn of the first 6 dial stitches the first needle of the dial and the second needle of the cylinder, and the remaining needles are not knitted.

[0013] In some embodiments, the fabric body has a width of 140 cm, a gram weight of 170-180 g / m 2 , and a composition of 69% nylon + 31% spandex.

[0014] By adopting the technical scheme, the utility model has the advantages that the fabric selects 20D / 24F nylon lusterless DTY yarn with high F number, is arranged in one S twist and one Z twist interval, and is fed into weaving at the same time with 20D fine denier spandex; the ground yarn selects 25D / 24F nylon lusterless FDY yarn with high titanium dioxide content of core-sheath structure, and is fed into weaving at the same time with 20D fine denier spandex; the connecting layer adopts 20D fine denier spandex, connects the face yarn and the ground yarn, so that the whole fabric forms air layer structure, improves the shrinkage resistance of the fabric, increases the tightness, and enhances the sun protection and heat shielding performance.

[0015] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present disclosure.

[0016] It is obvious that the above purposes and other purposes of the utility model will become more apparent after the description of the preferred embodiments of the utility model with various drawings and diagrams.

[0017] In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, one or several preferred embodiments are described below, and the drawings are shown, and the detailed description is as follows. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.

[0019] In the drawings, the same components use the same reference signs, and the drawings are schematic and are not necessarily drawn according to the actual scale.

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description can only be one or several embodiments of the utility model, and those skilled in the art can also obtain other drawings according to such drawings without creating creative labor.

[0021] Figure 1 Structure diagram of triangular needle array for some embodiments of the present application;

[0022] Figure 2 Structure diagram of organization for some embodiments of the present application. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

[0024] In addition, in the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be directly connected, or indirectly connected through intermediate medium, or internal communication of two elements or interaction relationship of two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through a transition structure, but is connected only through a connection structure to form a whole. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be direct contact of the first and second features, or indirect contact of the first and second features through intermediate medium. In the description of the present application, the description of the reference terms "one embodiment", "some embodiments", "example", "specific example", 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 the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The specific embodiments of the present application are described below with reference to the accompanying drawings. Embodiment 1

[0028] With reference to Figure 1 and 2 The utility model provides a weft knitting strong sun protection heat shielding cool feeling composite type fabric, including by weft knitting circular knitting machine integral weaving's fabric body, this fabric body includes first yarn, this first yarn is 6 way weaving structure, every 1 way of first yarn 2 is constituted by 2 loops.

[0029] The fabric selects 20D / 24F nylon lusterless DTY yarn of high F number, carries out one way S twist and one way Z twist interval arrangement, and is fed into weaving simultaneously with 20D fine denier spandex, the ground yarn selects 25D / 24F nylon lusterless FDY yarn of core-sheath structure with high titanium dioxide content, and is fed into weaving simultaneously with 20D fine denier spandex, the connecting layer adopts 20D fine denier spandex, connects the ground yarn and the ground yarn, so that the whole fabric forms air layer structure and improves the shrinkage ability of the fabric, increases the compactness, and enhances the sun protection and heat shielding performance.

[0030] According to some embodiments of the utility model, optionally, the first yarn of the first needle cylinder is formed into a loop, and the remaining ones are not knitted.

[0031] According to some embodiments of the utility model, optionally, the first yarn of the second needle cylinder is formed into a loop, and the remaining ones are not knitted.

[0032] According to some embodiments of the utility model, optionally, the second needle of the third needle cylinder and the first needle of the needle cylinder are formed into a loop, and the remaining ones are not knitted.

[0033] According to some embodiments of the utility model, optionally, the first needle of the fourth needle cylinder is formed into a loop, and the remaining ones are not knitted.

[0034] According to some embodiments of the utility model, optionally, the first needle of the fifth needle cylinder is formed into a loop, and the remaining ones are not knitted.

[0035] According to some embodiments of the utility model, optionally, the first needle of the sixth needle cylinder and the second needle of the needle cylinder are formed into a loop, and the remaining ones are not knitted.

[0036] According to some embodiments of the utility model, optionally, the width of the fabric body is 140cm, the gram weight is 170-180g / m 2 , and the composition is 69% nylon + 31% spandex.

[0037] The weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric adopts fine denier double-twisted nylon heat-shielding yarn interwoven with spandex, combines high needle and high density weaving process and organizational structure design, gives it tight hand feeling and high-grade texture, and at the same time, can use the overall tight structure to reduce the overall fabric under-filled coefficient, enhance the sunscreen heat-shielding performance of the fabric, the face yarn selects 20D / 24F nylon lusterless DTY yarn with high F number, arranges one way S twist and one way Z twist alternately, increases the reflection of light, and achieves high sunscreen purpose; in addition, the bottom yarn selects 25D / 24F nylon lusterless FDY yarn with high titanium dioxide content in core-sheath structure, so as to obtain better heat-shielding property and reduce light transmittance; 20D fine denier spandex is matched to improve the fabric shrinkage ability, increase the tightness, and enhance the sunscreen heat-shielding performance, the fabric is woven by a 40-needle weft-knitting open-width circular knitting machine, and is subjected to ultrasonic washing, presetting, overflow dyeing and setting by using advanced dyeing and finishing equipment. The difficulty of dyeing and finishing lies in the control of strip evenness, because the special core-sheath structure yarn is used, the oil removal must be clean to ensure the dyeing and finishing evenness, therefore, a differential ultrasonic washing equipment is used in the dyeing and finishing stage, without adding auxiliary agent, less consumables and lower cost compared with ordinary washing machines, and at the same time, the fabric quality is guaranteed, and the fabric has delicate and beautiful appearance. Example 2

[0038] 1. The VF40221 in the weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric is taken as a representative product for analysis, and the following tests are made

[0039] (1) Basic specification parameter test: fiber content, gram weight, width, shrinkage rate.

[0040] (2) Physical property test: tensile elasticity, hooking property, pilling property.

[0041] (3) Functional test: air permeability, ultraviolet resistance, heat-shielding property, contact instantaneous cool feeling property.

[0042] 2. Test results and analysis

[0043] (1) The basic specification parameters of the weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric are shown in Table 2.1.

[0044] Table 2.1 Basic specification parameters of weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric

[0045]

[0046] (2) The physical property test results of the weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric are shown in Table 2.2.

[0047] Table 2.2 Physical property test results of weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric

[0048]

[0049] From table 2.2, it can be seen that the weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric has excellent elasticity and low residual elongation in the warp and weft directions, which makes the wearer's body behavior unrestricted and stretchy during wearing, and the fabric has good anti-pilling and anti-snagging performance, and even after being rubbed for a long time or touched by sharp objects, the fabric is not obviously damaged and is more durable.

[0050] (3) The functional test results of the weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric are shown in Table 2.3.

[0051] Table 2.3 Functional test results of weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric

[0052]

[0053] From Table 2.3, firstly, the weft-knitted strong-sunscreen heat-shielding cool-feeling composite fabric has excellent ultraviolet protection performance, and the UPF and UVA transmittance are far higher than the national standard 50+, which can effectively block the penetration of ultraviolet rays, especially the two harmful ultraviolet rays, UVA and UVB. Secondly, the air permeability of the fabric is about 250mm / s, which can meet the daily commuting needs. In addition, the fabric has good heat-shielding rate and can effectively shield light radiation and inhibit temperature rise, thereby reducing the discomfort of the human body caused by the increase of environmental temperature, and the contact coolness coefficient is also far higher than the national standard, which is at the forefront of the industry, and can give the wearer a cool and comfortable upper body feeling in hot scenes.

[0054] It should be understood that the embodiments disclosed in the present application are not limited to the specific processing steps or materials disclosed herein, but should extend to equivalent substitutions of such features understood by those skilled in the related art. It should also be understood that the terms used herein are for the purpose of describing specific embodiments only and do not mean limitation.

[0055] The "embodiments" mentioned in the specification mean that the specific features or characteristics described in conjunction with the embodiments are included in at least one embodiment of the present application. Therefore, the phrase or "embodiments" appearing throughout the specification do not necessarily mean the same embodiment.

[0056] In addition, the described features or characteristics can be combined into one or more embodiments in any other suitable way. In the above description, some specific details, such as thickness, number, etc., are provided to provide a comprehensive understanding of the embodiments of the present application. However, those skilled in the related art will understand that the present application can be implemented without the above one or more specific details or can be implemented using other methods, components, materials, etc.

Claims

1. A weft-knitted fabric with high sun protection factor, heat shielding and cool feeling, characterized in that, The fabric body is integrally knitted by a weft knitting circular knitting machine, the fabric body comprises first yarns, the first yarns are 6-way knitting structure, each 1 way of the first yarns is composed of 2 loops; The fabric selects 20D / 24F nylon lusterless DTY yarn, carries out 1 way S twist and 1 way Z twist interval arrangement, and is fed into weaving simultaneously with 20D fine denier spandex; the ground yarn selects 25D / 24F nylon lusterless FDY yarn, and is fed into weaving simultaneously with 20D fine denier spandex; the connecting layer adopts 20D fine denier spandex, connects the first yarn and the ground yarn.

2. The weft knitted high-sunscreen heat-shielding cool-feeling composite fabric according to claim 1, characterized in that: The first 1 and 2 knitting needles of the first yarn first way needle cylinder form loops, and the rest do not knit.

3. The weft knitted high-sunscreen heat-shielding cool-feeling composite fabric according to claim 1, characterized in that: The first 1 and 2 knitting needles of the first yarn second way needle disc form loops, and the rest do not knit.

4. The weft knitted high-sunscreen-shading and heat-shielding cool-feeling composite fabric according to claim 1, characterized in that: The second knitting needle of the first yarn third way needle disc and the first knitting needle of the needle cylinder form tuck stitches, and the rest do not knit.

5. The weft knitted high-sunscreen-shading and heat-shielding cool-feeling composite fabric according to claim 1, characterized in that: The first 1 and 2 knitting needles of the first yarn fourth way needle cylinder form loops, and the rest do not knit.

6. The weft knitted high-sunscreen-shading and heat-shielding cool-feeling composite fabric according to claim 1, characterized in that: The first 1 and 2 knitting needles of the first yarn fifth way needle disc form loops, and the rest do not knit.

7. The weft knitted high-sunscreen-shielding and heat-shielding cool-feeling composite fabric according to claim 1, characterized in that: The first knitting needle of the first yarn sixth way needle disc and the second knitting needle of the needle cylinder form tuck stitches, and the rest do not knit.