High-ultraviolet-resistance heat-shielding cool weft knitting fabric with single-layer effect

Abstract

The utility model discloses a highly uvioresistant heat-shielding cool weft knitting fabric with a single-layer effect, which is formed by interweaving 50D / 34F fine-denier light-mesh dyed yarn polyamide DTY (draw textured yarn) filaments, 30D / 36F fine-denier light-mesh cation modified polyester DTY filaments and 20D polyurethane filaments, the highly uvioresistant heat-shielding cool weft knitting fabric with the single-layer effect comprises a front side and a back side, and the front side and the back side have the same pattern; the fabric body is provided with transverse white stripes, a dark grey plain weave and a dark grey grid-shaped front and back coil fabric layer; the front and back coil fabric layers with the transverse white stripes are formed by weaving 30D / 36F fine-denier light-mesh cation modified polyester DTY filaments and 20D polyurethane filaments, and the front and back coil fabric layers with the dark grey plain and dark grey latticed shapes are formed by weaving 50D / 34F fine-denier light-mesh dyed yarn polyamide DTY filaments and 20D polyurethane filaments; the fabric provided by the utility model not only has a special single-sided and single-layer appearance pattern effect and a high ultraviolet-resistant and heat-shielding function, but also has an ice skin cooling function.

Description

Technical Field

[0001] The utility model relates to the technical field of knitted fabrics, in particular to a single-layer effect weft-knitted fabric with high UV resistance, heat shielding and cooling effect. Background Art

[0002] Summer sun-protective knitted clothing, sun-protective knitted clothing fabrics not only need to have good wearing comfort properties such as softness, comfort, breathability, and lightness, but also need to have sun protection, cooling, and heat-shielding functions; the existing knitted sun-protective clothing has an anti-ultraviolet protection factor of 50+, and there are very few fabrics that can reach 100+; moreover, there are even fewer fabrics that need to have cooling and heat-shielding functions, so in the hot summer, it is quite necessary to have a comfortable, soft, breathable, lightweight sun-protective clothing that can achieve high sun protection, heat shielding, and cooling.

[0003] In view of this, the designer has deeply considered the many shortcomings and inconveniences caused by the imperfections of the above-mentioned fabrics, and actively researched, improved and trial-produced them to develop and design this case. Utility Model Content

[0004] The purpose of the utility model is to provide a single-layer effect weft-knitted fabric with high UV resistance, heat shielding and cooling feeling. The fabric not only has a special single-sided single-layer appearance and color effect and high UV resistance and heat shielding function, but also has an ice-skin cooling function.

[0005] In order to achieve the above objectives, the solution of the present invention is:

[0006] A single-layer effect highly UV-resistant, heat-blocking and cooling weft-knitted fabric, the single-layer effect highly UV-resistant, heat-blocking and cooling weft-knitted fabric being interwoven with 50D / 34F fine-denier light-mesh colored polyamide DTY filaments, 30D / 36F fine-denier light-mesh cationic modified polyester DTY filaments and 20D polyurethane filaments; the single-layer effect highly UV-resistant, heat-blocking and cooling weft-knitted fabric comprising a fabric body having a front side and a back side, with the front and back sides having the same pattern; the fabric body being provided with front and back coil fabric layers having transverse white stripes, dark gray plain weave and dark gray checkered patterns; the front and back coil fabric layers having transverse white stripes are woven with 30D / 36F fine-denier light-mesh cationic modified polyester DTY filaments and 20D polyurethane filaments, and the dark gray plain weave and dark gray checkered patterns are woven with 50D / 34F fine-denier light-mesh colored polyamide DTY filaments and 20D polyurethane filaments.

[0007] The front and back coil fabric layers of the transverse white stripes are formed by cyclically configuring three horizontal rows of weft plain needle single-sided tissue layers.

[0008] The dark grey plain weave front and back coil fabric layer is composed of two consecutive single beaded needle arrangements and eight single-sided woven plain weft needle arrangements, alternating vertical rows of single-layer front and back coils; the dark grey checkered weave front and back coil fabric layer is composed of two consecutive single beaded needle arrangements and ten horizontal rows of coils, alternating horizontal rows; each weave cycle has three dark grey plain weaves and three dark grey checkered weaves arranged in a twill pattern.

[0009] The fabric body is a single-sided fabric, and the needle arrangement of the single-sided fabric is an alternating arrangement of single-needle tuck, loop formation and sinker-assisted knock-off.

[0010] The weight ratio of the 50D / 34F fine denier light mesh colored yarn polyamide DTY filament, the 30D / 36F fine denier light mesh cationic modified polyester DTY filament and the 20D polyurethane filament is 80%-82%: 3%-5%: 15%-17%.

[0011] The single-layer effect high UV resistance heat shielding cool feeling weft knitted fabric has a square meter weight of 125-130g / m 2 .

[0012] The average length of the 30D / 36F fine denier light mesh cationic modified polyester DTY filaments in every 100 loops in the single-sided looped weft knitted fabric with high UV resistance and heat shielding and cooling effect in the single-layer effect is 19-19.2 cm; the average length of the 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments in every 100 loops in the single-beaded weft knitted fabric with high UV resistance and heat shielding and cooling effect in the single-layer effect is 19-19.2 cm in the single-beaded weft knitted tuck row system, loop row system and weft knitted row system; the average length of the 20D polyurethane filaments in every 100 loops in the single-beaded weft knitted fabric with high UV resistance and heat shielding and cooling effect in the single-layer effect is 8-8.2 cm.

[0013] Compared with the existing technology, the high UV resistance, heat shielding and cooling weft knitted fabric with single-layer effect of the utility model has the following advantages:

[0014] 1. The fabric of this utility model has both high UV resistance and heat-blocking and cooling properties: 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments are used on both sides of the fabric, and the content accounts for 80%-82% of the entire fabric, which has a smooth, skin-friendly feel and a cool, icy feeling; it is woven using a high-density 36-needle 34-inch single-sided circular knitting machine, which makes the fabric density high and can block most ultraviolet rays; and the high-density knitted fabric will be thinner and lighter while ensuring high density, which is light and breathable while being able to block ultraviolet rays; the combination of polyamide DTY filaments and high-density needles will also give the fabric a heat-blocking function; the use of 20D polyurethane filaments makes the fabric smoother and more elastic, and the wearing experience is more comfortable.

[0015] 2. The fabric of this invention has a unique pattern structure: the fabric of this invention adopts horizontal white stripes, dark gray plain weave and dark gray checkered front and back coil fabric layers, which has a unique two-color effect; and the dark gray plain weave and dark gray checkered front and back coil fabric layers make the pattern more three-dimensional and beautiful.

[0016] 3. This fabric has a single-sided, single-layer effect: it is knitted on a single-sided circular knitting machine with a single-sided weave arrangement using four-channel cylinder needles and one-channel sinker-assisted knock-over. The structure combines two needles in every 12 stitches, alternately tucking and forming loops, with a full loop formation of every 12 stitches. The structural design places 50D / 34F fine-denier, light-mesh-dyed polyamide DTY filaments on both sides of the fabric, forming alternating layers of dark gray plain weave and dark gray lattice-like loops on the front and back, resulting in a unique appearance and a three-dimensional pattern. 30D / 36F fine denier light mesh cationic modified polyester DTY filaments are completely on both sides of the fabric, forming a front and back coil fabric layer with horizontal white stripes, which contrasts with the dark gray plain and dark gray checkered patterns. The stripes are delicate, forming a unique two-color fabric; 20D polyurethane filaments are padded between 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments and 30D / 36F fine denier light mesh cationic modified polyester DTY filaments, giving the fabric high elasticity and high resilience, making the fabric smoother and more comfortable to wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front side (outer layer) of the fabric of the present invention having horizontal white stripes, dark gray plain weave, and dark gray checkered patterns;

[0018] Figure 2 This is a schematic diagram of the reverse side (inner layer) of the fabric of the present invention having horizontal white stripes, dark gray plain weave and dark gray checkered pattern;

[0019] Figure 3 This is a front view schematic diagram of the front pattern structure of the fabric of the present invention;

[0020] Figure 4 This is a front view schematic diagram of the reverse pattern structure of the fabric of the present invention.

[0021] Explanation of symbols

[0022] Horizontal white stripes 1; dark gray plain weave 2; dark gray checkered pattern 3. DETAILED DESCRIPTION

[0023] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.

[0024] See Figures 1 to 4 The utility model discloses a single-layer effect high-UV resistance heat-shielding and cooling weft-knitted fabric, the single-layer effect high-UV resistance heat-shielding and cooling weft-knitted fabric is made of 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments, 30D / 36F fine denier light mesh cationic modified polyester DTY filaments and 20D polyurethane filaments; the single-layer effect high-UV resistance heat-shielding and cooling weft-knitted fabric includes a front ( Figure 1 and Figure 3 ) and the reverse side ( Figure 2 and Figure 4 ) has the same pattern on the front and back sides; the fabric body is provided with front and back coil fabric layers of horizontal white stripes 1, dark gray plain weave 2 and dark gray checkered 3; the front and back coil fabric layers of the horizontal white stripes 1 are woven from 30D / 36F fine denier light mesh cationic modified polyester DTY filaments and 20D polyurethane filaments, and the front and back coil fabric layers of the dark gray plain weave 2 and dark gray checkered 3 are woven from 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments and 20D polyurethane filaments; the fabric of the utility model not only has a special single-sided and single-layer appearance color effect and high anti-UV heat-shielding function, but also has an icy skin cooling function.

[0025] The front and back coil fabric layers of the transverse white stripes 1 of the present invention are formed by cyclically configuring three horizontal rows of weft plain needle single-sided tissue layers.

[0026] The dark grey plain weave 2 front and back coil fabric layer of the present invention is composed of two continuous single beaded needle arrangements and eight single-sided woven plain weft needle tissue front and back coil vertical rows alternately arranged; the dark grey checkered 3 front and back coil fabric layer is composed of two continuous single beaded needle arrangements and ten-way coil horizontal rows alternately arranged; each tissue cycle has three dark grey plain weave 2 tissues and three dark grey checkered 3 tissues arranged in a twill shape.

[0027] The fabric body of the present invention is a single-face fabric, and the needle arrangement of the single-face fabric is an alternating arrangement of single-needle tuck, loop formation and sinker-assisted knock-off.

[0028] The single-layer effect high UV resistance heat shielding cool feeling weft knitted fabric of the utility model has a square meter gram weight of 125-130g / m 2 .

[0029] Compared with the existing technology, the high UV resistance, heat shielding and cooling weft knitted fabric with single-layer effect of the utility model has the following advantages:

[0030] 1. The fabric of this utility model has both high UV resistance and heat-blocking and cooling properties: 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments are used on both sides of the fabric, and the content accounts for 80%-82% of the entire fabric, which has a smooth, skin-friendly feel and a cool and icy feeling; it is woven using a high-density 36-needle 34-inch single-sided circular knitting machine, which makes the fabric density high and can block most ultraviolet rays; and the high-density knitted fabric will be thinner and lighter while ensuring high density, which can block ultraviolet rays while being light and breathable; the combination of polyamide DTY filaments and high-density needles will also make the fabric have heat-blocking function; the use of 20D polyurethane filaments makes the fabric smoother and more elastic, and the wearing experience is more comfortable.

[0031] 2. The fabric of this invention has a unique pattern structure: the fabric of this invention adopts horizontal white stripes, dark gray plain weave and dark gray checkered front and back coil fabric layers, which has a unique two-color effect; and the dark gray plain weave and dark gray checkered front and back coil fabric layers make the pattern more three-dimensional and beautiful.

[0032] 3. This fabric has a single-sided, single-layer effect: it is knitted on a single-sided circular knitting machine with a single-sided weave arrangement using four-channel cylinder needles and one-channel sinker-assisted knock-over. The structure combines two needles in every 12 stitches, alternately tucking and forming loops, with a full loop formation of every 12 stitches. The structural design places 50D / 34F fine-denier, light-mesh-dyed polyamide DTY filaments on both sides of the fabric, forming alternating layers of dark gray plain weave and dark gray lattice-like loops on the front and back, resulting in a unique appearance and a three-dimensional pattern. 30D / 36F fine denier light mesh cationic modified polyester DTY filaments are completely on both sides of the fabric, forming a front and back coil fabric layer with horizontal white stripes, which contrasts with the dark gray plain and dark gray checkered patterns. The stripes are delicate, forming a unique two-color fabric; 20D polyurethane filaments are padded between 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments and 30D / 36F fine denier light mesh cationic modified polyester DTY filaments, giving the fabric high elasticity and high resilience, making the fabric smoother and more comfortable to wear.

[0033] The utility model also discloses a production method of a single-layer effect high-UV resistance heat-shielding and cooling weft-knitted fabric, which includes a knitting and weaving process and a finishing process, wherein the knitting method of the knitting and weaving process is:

[0034] On a single-sided circular knitting machine with a cylinder diameter of 34 inches, a machine gauge of 36 needles / inch, and a total needle count of 3900, a 36-needle 34-inch single-sided circular knitting machine with a single-sided tissue needle arrangement configuration of 4 needle channels of cylinder needles and 1 plate channel of sinkers to assist in knocking off is used for knitting; wherein, the minimum cycle of a complete tissue of the high-UV anti-heat-blocking and cooling weft knitted fabric with a single-layer effect is 12 wales × 33 horizontal rows, wherein: 12 wales are arranged by 4 needle channels of 12 cylinder needles and 1 plate channel of 1 sinker to assist in knocking off, and 33 horizontal rows are arranged by 33-way loop forming systems around the needle cylinder, wherein,

[0035] The arrangement of 12 needles in a complete group is ABABCBCBDBDB, where A represents high heel needle, B represents medium high heel needle, C represents medium low heel needle, and D represents low heel needle.

[0036] The threading pattern of a fully organized 33-way loop-forming system is as follows: 50D / 34F fine denier light mesh colored polyamide DTY filament and 20D polyurethane filament are threaded in the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 12th, 13th, 14th, 15th, 16th, 17th, 18th, 19th, 20th, 21st, 23rd, 24th, 25th, 26th, 27th, 28th, 29th, 30th, 31st, and 32nd lines; 30D / 36F fine denier light mesh cationic modified polyester DTY filament and 20D polyurethane filament are threaded in the 11th, 22nd, and 33rd lines.

[0037] The cam configuration of a fully organized 33-way knitting system is as follows: needle A (high heel needle) of the 1st, 3rd, 5th, 7th and 9th needle cylinders corresponds to tuck, and needle B (medium-high heel needle), needle C (medium-low heel needle) and needle D (low heel needle) of the needle cylinders correspond to knitting; needle C (medium-low heel needle) of the 12th, 14th, 16th, 18th and 20th needle cylinders corresponds to tuck, and needle A (high heel needle), needle B (medium-high heel needle) and needle D (low heel needle) of the needle cylinders correspond to knitting; needle C (medium-low heel needle) of the 23rd, 24th, 16th, 18th and 20th needle cylinders corresponds to tuck, and needle A (high heel needle), needle B (medium-high heel needle) and needle D (low heel needle) of the needle cylinders correspond to knitting; Needle D (low heel needle) of needle cylinders 5, 27, 29, and 31 corresponds to tuck, and needles A (high heel needle), B (medium-high heel needle), and C (medium-low heel needle) of needle cylinders 31 correspond to looping; needles A (high heel needle), B (medium-high heel needle), C (medium-low heel needle), and D (low heel needle) of needle cylinders 2, 4, 6, 8, 10, 11, 13, 15, 17, 19, 21, 22, 24, 26, 28, 30, 32, and 33 correspond to looping;

[0038] Table 1 is a complete triangle and yarn configuration table

[0039]

[0040]

[0041] Among them, the yarn threading configuration corresponds to: 1 represents 30D / 36F fine denier light mesh cationic modified polyester DTY filament, 2 represents 50D / 34F fine denier light mesh colored yarn polyamide DTY filament, and 3 represents 20D polyurethane filament;

[0042] Triangle configuration symbol explanation: "Δ" indicates needle cylinder looping, "∩" indicates needle cylinder tuck looping;

[0043] Among them: the average length of the 30D / 36F fine denier light mesh cationic modified polyester DTY filament in every 100 loops of the single-layer effect high UV resistance, heat shielding and cooling weft knitted fabric in the single-sided loop weft stitch structure is 19-19.2 cm; the average length of the 50D / 34F fine denier light mesh colored yarn polyamide DTY filament in every 100 loops of the single-layer effect high UV resistance, heat shielding and cooling weft knitted fabric in the single-layer effect high UV resistance, heat shielding and cooling weft knitted fabric in the single-layer effect high UV resistance, heat shielding and cooling weft knitted fabric in the single-sided loop weft stitch structure is 19-19.2 cm; the average length of the 20D polyurethane filament in every 100 loops of the single-layer effect high UV resistance, heat shielding and cooling weft knitted fabric in the single-sided loop weft stitch structure is 8-8.2 cm.

[0044] The blank fabric of the utility model has a horizontal density of 99-100 coil wales / 5cm, a vertical density of 135-136 coil rows / 5cm, and a grammage per square meter of 140-145g / m 2 The width of the lower machine door is 182cm.

[0045] The post-finishing process includes: fabric sorting → sewing → pre-setting (190℃, water setting) → finished product setting (170℃) → rolling → finished product inspection and testing;

[0046] Pre-setting process: A door-width setting machine is used for pre-setting processing. Padding water is added to control the rolling ratio to 64-67%. The set temperatures of the first to tenth ovens are: 170℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 170℃, and 160℃ respectively; the oven fan speed is set to 1600 rpm, the vehicle speed is controlled at 24-25 m / min, and the cloth drop temperature is controlled below 50℃.

[0047] Finished product shaping process: semi-finished products are shaped using a door-width shaping machine; the padding solution is prepared according to the calibrated padding process formula; the weight of the prepared padding solution is calculated and controlled based on the total amount of liquid on the fabric after padding and the volume of the padding tank; the padding solution formula is: 5g / L DM-3701 moisture absorption and perspiration auxiliary agent, 10g / L 8613Y skin-friendly ice-feeling silicone oil and 5g / L HS-WA02 hydrophilic finishing agent; door Add 100L of the prepared solution into the dipping tank of the width-type setting machine, and control the rolling rate to 62-65%; the temperatures of the first to tenth ovens are set to 160℃, 170℃, 170℃, 170℃, 170℃, 170℃, 170℃, 160℃, and 150℃ respectively; the oven fan speed is controlled at 1600 rpm, the vehicle speed is controlled at 24-25 m / min, and the cloth drop temperature is controlled below 50℃.

[0048] The width and weight of the finished product are controlled according to the required width and weight of the finished product, and the other processes are the same as the conventional process; the width of the obtained light grey cloth is 150cm, and the weight of the fabric per square meter is 125-130g / m 2 .

[0049] The utility model discloses a method for producing a single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric, which is knitted using a single-sided circular knitting machine with a single-sided tissue arrangement of four needle channels of cylinder needles and one plate channel of sinkers to assist in undoing the loops, and a structural design in which two needles in every 12 needles alternately tuck and form loops, and a structural design in which all 12 needles form loops. Specifically, the structural design places 50D / 34F fine-denier light-mesh colored polyamide DTY filaments on both sides of the fabric, forming alternating layers of dark gray plain weave and dark gray lattice-shaped front and back loops, resulting in a unique appearance. , the pattern is three-dimensional; the 30D / 36F fine denier light mesh cationic modified polyester DTY filament is completely on both sides of the fabric, forming a front and back coil fabric layer with horizontal white stripes, which contrasts with the dark gray plain and dark gray checkered patterns, and the stripes are delicate, forming a unique two-color fabric; the 20D polyurethane filament is padded between the 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and the 30D / 36F fine denier light mesh cationic modified polyester DTY filament, giving the fabric high elasticity and high resilience, making the fabric smoother and more comfortable to wear.

[0050] Moreover, the preparation process of the fabric of the utility model is simple: the fabric of the utility model adopts 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and 30D / 36F fine denier light mesh cationic modified polyester DTY filament interlaced with each other, having a unique two-color effect; the subsequent dyeing and finishing process does not require dyeing, only pre-setting and finishing are required.

[0051] The utility model adopts the method to produce a single-layer high-UV resistance, heat-shielding and cooling weft-knitted fabric. After being left to stand for 48 hours under standard conditions, the fabric's wearing properties such as UV resistance, heat-shielding and cooling are tested with reference to the standards. The corresponding standards and test results are shown in Table 2.

[0052] Table 2 Fabric performance test results

[0053]

[0054]

[0055] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present invention.

Claims

1. A single-layer effect weft-knitted fabric with high UV resistance, heat shielding and cooling effect, characterized by: The single-layer effect high UV resistance, heat-blocking and cooling weft-knitted fabric is interwoven with 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments, 30D / 36F fine denier light mesh cationic modified polyester DTY filaments and 20D polyurethane filaments. The single-layer effect high UV resistance, heat-blocking and cooling weft-knitted fabric includes a fabric body with a front and a back, and the patterns on the front and back are the same; the fabric body is provided with front and back coil fabric layers with horizontal white stripes, dark gray plain weave and dark gray checkered weft fabric layers; the front and back coil fabric layers with horizontal white stripes are woven with 30D / 36F fine denier light mesh cationic modified polyester DTY filaments and 20D polyurethane filaments, and the dark gray plain weave and dark gray checkered weft fabric layers are woven with 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments and 20D polyurethane filaments.

2. A single-layer, high-UV-resistance, heat-shielding, and cooling weft-knitted fabric as claimed in claim 1, characterized in that: The front and back coil fabric layers of the transverse white stripes are formed by cyclically configuring three horizontal rows of weft plain needle single-sided tissue layers.

3. The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric according to claim 1, characterized in that: The dark grey plain weave front and back coil fabric layer is composed of two consecutive single beaded needle arrangements and eight single-sided woven plain weft needle arrangements, alternating vertical rows of single-layer front and back coils; the dark grey checkered weave front and back coil fabric layer is composed of two consecutive single beaded needle arrangements and ten horizontal rows of coils, alternating horizontal rows; each weave cycle has three dark grey plain weaves and three dark grey checkered weaves arranged in a twill pattern.

4. The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric according to claim 1, characterized in that: The fabric body is a single-sided fabric, and the needle arrangement of the single-sided fabric is an alternating arrangement of single-needle tuck, loop formation and sinker-assisted knock-off.

5. The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric according to claim 1, characterized in that: The weight ratio of the 50D / 34F fine denier light mesh colored yarn polyamide DTY filament, the 30D / 36F fine denier light mesh cationic modified polyester DTY filament and the 20D polyurethane filament is 80%-82%: 3%-5%: 15%-17%.

6. The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric according to claim 1, characterized in that: The single-layer effect high UV resistance heat shielding cool feeling weft knitted fabric has a square meter weight of 125-130g / m 2 .

7. The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric according to claim 1, characterized in that: The average length of the 30D / 36F fine denier light mesh cationic modified polyester DTY filaments in every 100 loops in the single-sided looped weft knitted fabric with high UV resistance and heat shielding and cooling effect in the single-layer effect is 19-19.2 cm; the average length of the 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments in every 100 loops in the single-beaded weft knitted fabric with high UV resistance and heat shielding and cooling effect in the single-layer effect is 19-19.2 cm in the single-beaded weft knitted tuck row system, loop row system and weft knitted row system; the average length of the 20D polyurethane filaments in every 100 loops in the single-beaded weft knitted fabric with high UV resistance and heat shielding and cooling effect in the single-layer effect is 8-8.2 cm.

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