High-ultraviolet-resistance heat-shielding cool weft knitting fabric with single-layer effect and production method of high-ultraviolet-resistance heat-shielding cool weft knitting fabric

Abstract

The invention discloses a high-ultraviolet-resistance heat-shielding cool weft knitting fabric with a single-layer effect and a production method of the high-ultraviolet-resistance heat-shielding cool weft knitting fabric. The fabric is formed by interweaving 50D / 34F fine-denier light-net dyed yarn polyamide DTY filaments, 30D / 36F fine-denier light-net cation modified polyester DTY filaments and 20D polyurethane filaments. The yarn weight ratio of the 50D / 34F fine-denier light-mesh dyed yarn polyamide DTY filaments to the 30D / 36F fine-denier light-mesh cation modified polyester DTY filaments to the 20D polyurethane filaments is (80%-82%): (3%-5%): (15%-17%); the fabric comprises a front and back coil fabric layer which is provided with a front side and a back side and is provided with transverse white stripes, dark grey plain weaves and dark grey lattices; 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 not only has a special single-sided and single-layer appearance pattern effect and a high ultraviolet-resistant heat-shielding function, but also has a skin-ice and cool-feeling function.

Description

Technical Field

[0001] The invention relates to the technical field of knitted fabrics, in particular to a single-layer effect highly UV-resistant, heat-shielding and cool weft-knitted fabric and a production method thereof. Background Art

[0002] Summer sun-protective knitted clothing, sun-protective knitted clothing fabrics not only need to be soft, comfortable, breathable, light and other good wearing comfort properties, 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, light sun-protective clothing that can achieve high sun protection, heat shielding and cooling.

[0003] In view of this, the inventor has made in-depth research and actively studied and improved the above fabrics and their production methods to develop and design the present invention in order to solve the many deficiencies and inconveniences caused by the imperfections of the above fabrics and their production methods. Summary of the invention

[0004] The purpose of the present invention is to provide a single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric and a production method thereof. The fabric not only has a special single-sided single-layer appearance pattern effect and high UV-resistant and heat-shielding function, but also has an icy skin cooling function. The production method preferably uses colored yarn polyamide, cationic modified polyester and polyurethane through a single-sided interweaving design and a special post-finishing process, and the preparation process is simple.

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

[0006] A single-layer effect high-ultraviolet resistance, heat-shielding and cooling weft-knitted fabric, the single-layer effect high-ultraviolet resistance, heat-shielding 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 yarn weight ratio of the 50D / 34F fine-denier light-mesh colored yarn polyamide DTY filaments, the 30D / 36F fine-denier light-mesh cationic modified polyester DTY filaments and the 20D polyurethane filaments is 80%-82%: 3%-5%: 15%-17%;

[0007] The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric includes a fabric body with a front side and a back side, and the patterns on the front and back sides are the same; the fabric body is provided with front and back coil fabric layers with transverse white stripes, dark gray plain weave and dark gray checkered patterns; the front and back coil fabric layers with transverse white stripes are woven from 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 from 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments and 20D polyurethane filaments.

[0008] The front and back coil fabric layers of the transverse white stripes are formed by a circular configuration of three horizontal rows of weft plain needle single-sided tissue layers.

[0009] The dark grey plain weave front and back coil fabric layer is formed by alternating longitudinal rows of two continuous single bead-ground needles and eight single-sided woven weft plain needles; the dark grey lattice front and back coil fabric layer is formed by alternating horizontal rows of two continuous single bead-ground needles and ten coils; each weave cycle has three dark grey plain weaves and three dark grey lattice weaves arranged in a twill shape.

[0010] 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.

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

[0012] A method for producing a single-layer effect highly UV-resistant, heat-shielding and cool weft-knitted fabric comprises a knitting weaving process and a post-finishing process, wherein the knitting weaving process comprises:

[0013] The knitting is carried out using 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 sheet channel of sinkers to assist in undoing; wherein, the minimum cycle of a complete tissue of the highly UV-resistant, heat-shielding and cool weft-knitted fabric constituting the single-layer effect is 12 wales × 33 horizontal rows, wherein: 12 wales are arranged by 4 needle channels of 12 cylinder needles and 1 sheet channel of 1 sinker to assist in undoing, and 33 horizontal rows are arranged by 33 loop forming systems around the cylinder, wherein,

[0014] The arrangement of 12 needles in a complete group is ABABCBCBDBDB, where A represents high heel needles, B represents medium-high heel needles, C represents medium-low heel needles, and D represents low heel needles;

[0015] The threading method of a fully organized 33-way loop forming system is as follows: 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, 32nd way thread 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and 20D polyurethane filament, the 11th, 22nd, 33rd way thread 30D / 36F fine denier light mesh cationic modified polyester DTY filament and 20D polyurethane filament;

[0016] The triangle configuration of a fully organized 33-way loop 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 loop; 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 loop; The needle D (low heel needle) of the 5th, 27th, 29th and 31st needle cylinders corresponds to tuck, and the needles A (high heel needle), B (medium-high heel needle) and C (medium-low heel needle) of the needle cylinders correspond to looping; the needles A (high heel needle), B (medium-high heel needle), C (medium-low heel needle) and D (low heel needle) of the 2nd, 4th, 6th, 8th, 10th, 11th, 13th, 15th, 17th, 19th, 21st, 22nd, 24th, 26th, 28th, 30th, 32nd and 33rd needle cylinders correspond to looping;

[0017] Table 1 is a complete triangle and threading configuration table

[0018]

[0019]

[0020]

[0021] Among them: the 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, 3 represents 20D polyurethane filament;

[0022] Triangle configuration symbol description: "Δ" indicates needle cylinder looping, "∩" indicates needle cylinder tuck looping;

[0023] Among them: the average length of 30D / 36F fine denier light mesh cationic modified polyester DTY filaments in every 100 loops of the single-sided looped weft knitted fabric with high UV resistance, heat shielding and cooling effect in the single-layer effect is 19-19.2cm; the average length of 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments in every 100 loops of the single-beaded tissue tuck row system, loop row system and weft plain needle tissue in the single-beaded tissue is 19-19.2cm; the average length of 20D polyurethane filaments in every 100 loops of the single-layered weft knitted fabric with high UV resistance, heat shielding and cooling effect in the single-beaded tissue tuck row system, loop row system and weft plain needle tissue is 8-8.2cm.

[0024] The post-finishing process includes: fabric sorting → sewing → pre-setting (190℃, water setting) → finished product setting (170℃) → rolling → finished product inspection and testing;

[0025] Pre-forming process: Use door-width setting machine for pre-forming processing, add padding water, control the rolling rate to 64-67%, the setting temperature of the first to tenth ovens are: 170℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 170℃, 160℃; the oven fan speed is set to 1600 rpm, the vehicle speed is controlled to 24-25 m / min, and the cloth falling temperature is controlled below 50℃;

[0026] Finished product shaping process: semi-finished products are shaped by door-width shaping machine; padding solution is prepared according to the calibrated padding process formula; the weight of the prepared padding solution is calculated and controlled according to 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 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℃, 170℃, 160℃, and 150℃ respectively; the oven fan speed is controlled to 1600 rpm, the vehicle speed is controlled to 24-25 m / min, and the cloth falling temperature is controlled below 50℃.

[0027] Compared with the prior art, the single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric of the present invention has the following advantages:

[0028] 1. The fabric of the present invention has a single-sided single-layer effect: it is knitted using a single-sided circular knitting machine with a single-sided tissue needle arrangement configuration of 4 needle channels and a sinker channel to assist in undoing, and a structural design in which 2 needles in every 12 needles take turns to tuck and knit in alternating knitting and every 12 needles are all knitted, wherein: the structural design makes 50D / 34F fine denier light mesh color yarn polyamide DTY filaments on both sides of the fabric, forming dark gray plain weave and dark gray lattice-shaped front and back coil fabric layers alternating with each other, with a unique appearance and a three-dimensional pattern; 3. 0D / 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, and 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.

[0029] 2. The fabric of the present invention has both high UV resistance and heat-shielding and cooling properties: 50D / 34F fine-denier light-mesh colored polyamide DTY filaments are used on both sides of the fabric, and the content accounts for 80%-82% of the entire fabric, which has the characteristics of smooth, skin-friendly and cool and icy feel; it is woven using a high-density 36-needle 34-inch single-sided circular knitting machine, so that the fabric surface density is high and can resist most ultraviolet rays; and the high-density knitted fabric will be thinner and lighter while ensuring the density, and it is thin and breathable while being able to resist ultraviolet rays; the combination of polyamide DTY filaments and high-density needles will also make the fabric have a heat-shielding function; the use of 20D polyurethane filaments makes the fabric smoother, softer and more elastic, and the wearing experience is more comfortable.

[0030] 3. The fabric of the present invention has a peculiar pattern structure: the fabric of the present invention adopts horizontal white stripes, dark gray plain weave and dark gray lattice-shaped front and back coil fabric layers, which has a unique two-color effect; and the dark gray plain weave and dark gray lattice-shaped front and back coil fabric layers make the pattern more three-dimensional and beautiful.

[0031] 4. The preparation process of the fabric of the present invention is simple: the fabric of the present invention adopts 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and 30D / 36F fine denier light mesh cationic modified polyester DTY filament to intersperse with each other, and has a unique two-color effect; the subsequent dyeing and finishing process does not need dyeing, only needs to be predetermined and set. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The front side (outer layer) of the fabric of the present invention is a schematic diagram showing that the front side has horizontal white stripes, dark gray plain weave and dark gray lattice;

[0033] Figure 2The reverse side (inner layer) of the fabric of the present invention is a schematic diagram showing that the reverse side has horizontal white stripes, dark gray plain weave and dark gray lattice;

[0034] Figure 3 It is a front view schematic diagram of the front pattern structure of the fabric of the present invention;

[0035] Figure 4 It is a front view schematic diagram of the reverse pattern structure of the fabric of the present invention.

[0036] Explanation of symbols

[0037] Horizontal white stripes 1; dark gray plain weave 2; dark gray checkered pattern 3. DETAILED DESCRIPTION

[0038] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.

[0039] See also Figures 1 to 4 The present invention relates to a single-layer effect high-ultraviolet resistance heat-shielding and cooling weft-knitted fabric, wherein the single-layer effect high-ultraviolet resistance heat-shielding 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, and the yarn weight ratio of the 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 is 80%-82%: 3%-5%: 15%-17%;

[0040] The fabric of the invention adopts 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments on both sides of the fabric, and the content accounts for 80%-82% of the whole fabric body, and has the characteristics of smooth and soft touch, skin-friendly and cool and icy feeling; it adopts a high-density needle number 36 needles 34-inch single-sided circular knitting machine for weaving, so that the density of the fabric surface is high and can resist most ultraviolet rays; and the high-density knitted fabric has a lighter thickness and weight while ensuring the density, and is light, thin and breathable while being able to resist ultraviolet rays; the combination of polyamide DTY filaments and high-density needles can also make the fabric have a heat-shielding function; the use of 20D polyurethane filaments makes the fabric smoother, softer and more elastic, and the wearing experience is more comfortable.

[0041] The fabric of the invention adopts 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments on both sides of the fabric, and the content accounts for 80%-82% of the whole fabric body, and has the characteristics of smooth and soft touch, skin-friendly and cool and icy feeling; it adopts a high-density needle number 36 needles 34-inch single-sided circular knitting machine for weaving, so that the density of the fabric surface is high and can resist most ultraviolet rays; and the high-density knitted fabric has a lighter thickness and weight while ensuring the density, and is light, thin and breathable while being able to resist ultraviolet rays; the combination of polyamide DTY filaments and high-density needles can also make the fabric have a heat-shielding function; the use of 20D polyurethane filaments makes the fabric smoother, softer and more elastic, and the wearing experience is more comfortable.

[0042] The single-layer effect high UV resistance heat shielding cool weft knitted fabric of the present invention comprises a front side (see Figure 1 and Figure 3 ) and the reverse side (see 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 present invention not only has a special single-sided and single-layer appearance color effect and high UV resistance and heat-shielding function, but also has a skin-cooling function.

[0043] The front and back coil fabric layers of the transverse white stripes 1 of the present invention are formed by a circular arrangement of three horizontal rows of weft plain needle single-sided tissue layers.

[0044] The front and back coil fabric layer of the dark grey plain weave 2 of the present invention is composed of two continuous single bead-ground type needle arrangements and eight single-sided woven weft plain needle tissues with single-layer front and back coils arranged alternately in longitudinal rows; the front and back coil fabric layer of the dark grey lattice 3 is composed of two continuous single bead-ground type needle arrangements and ten coil rows arranged alternately; each tissue cycle has three dark grey plain weave 2 tissues and three dark grey lattice 3 tissues arranged in a twill shape.

[0045] The fabric body of the present invention is a single-sided structure, and the needle arrangement of the single-sided structure is an alternating arrangement of single-needle tuck, loop formation and sinker-assisted knock-off.

[0046] The single-layer effect high UV resistance heat shielding cool weft knitted fabric of the present invention has a square meter gram weight of 125-130g / m 2 .

[0047] The present invention also discloses a production method of a single-layer effect highly UV-resistant, heat-shielding and cool weft-knitted fabric, comprising a knitting weaving process and a post-finishing process, wherein the knitting weaving process comprises:

[0048] The knitting is carried out using 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 sheet channel of sinkers to assist in undoing; wherein, the minimum cycle of a complete tissue of the highly UV-resistant, heat-shielding and cool weft-knitted fabric constituting the single-layer effect is 12 wales × 33 horizontal rows, wherein: 12 wales are arranged by 4 needle channels of 12 cylinder needles and 1 sheet channel of 1 sinker to assist in undoing, and 33 horizontal rows are arranged by 33 loop forming systems around the cylinder, wherein,

[0049] The arrangement of 12 needles in a complete group is ABABCBCBDBDB, where A represents high heel needles, B represents medium-high heel needles, C represents medium-low heel needles, and D represents low heel needles;

[0050] The threading method of a fully organized 33-way loop forming system is as follows: 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, 32nd way thread 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and 20D polyurethane filament, the 11th, 22nd, 33rd way thread 30D / 36F fine denier light mesh cationic modified polyester DTY filament and 20D polyurethane filament;

[0051] The triangle configuration of a fully organized 33-way loop 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 loop; 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 loop; The needle D (low heel needle) of the 5th, 27th, 29th and 31st needle cylinders corresponds to tuck, and the needles A (high heel needle), B (medium-high heel needle) and C (medium-low heel needle) of the needle cylinders correspond to looping; the needles A (high heel needle), B (medium-high heel needle), C (medium-low heel needle) and D (low heel needle) of the 2nd, 4th, 6th, 8th, 10th, 11th, 13th, 15th, 17th, 19th, 21st, 22nd, 24th, 26th, 28th, 30th, 32nd and 33rd needle cylinders correspond to looping;

[0052] Table 1 is a complete triangle and threading configuration table

[0053]

[0054]

[0055] Among them: the 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, 3 represents 20D polyurethane filament;

[0056] Triangle configuration symbol description: "Δ" indicates needle cylinder looping, "∩" indicates needle cylinder tuck looping;

[0057] Among them: the average length of 30D / 36F fine denier light mesh cationic modified polyester DTY filaments in every 100 loops of the single-sided looped weft knitted fabric with high UV resistance, heat shielding and cooling effect in the single-layer effect is 19-19.2cm; the average length of 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments in every 100 loops of the single-beaded tissue tuck row system, loop row system and weft plain needle tissue in the single-beaded tissue is 19-19.2cm; the average length of 20D polyurethane filaments in every 100 loops of the single-layered weft knitted fabric with high UV resistance, heat shielding and cooling effect in the single-beaded tissue tuck row system, loop row system and weft plain needle tissue is 8-8.2cm.

[0058] The blank fabric of the fabric of the present invention has a horizontal density of 99-100 coil wales / 5 cm, a vertical density of 135-136 coil rows / 5 cm, and a square meter grammage of 140-145 g / m 2 The lower machine width is 182cm.

[0059] The post-finishing process includes: fabric sorting → sewing → pre-setting (190℃, water setting) → finished product setting (170℃) → rolling → finished product inspection and testing;

[0060] Pre-forming process: Use door-width setting machine for pre-forming processing, add padding water, control the rolling rate to 64-67%, the setting temperature of the first to tenth ovens are: 170℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 170℃, 160℃; the oven fan speed is set to 1600 rpm, the vehicle speed is controlled to 24-25 m / min, and the cloth falling temperature is controlled below 50℃;

[0061] Finished product shaping process: semi-finished products are shaped by door-width shaping machine; padding solution is prepared according to the calibrated padding process formula; the weight of the prepared padding solution is calculated and controlled according to 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 aid, 10g / L 8613Y skin-friendly ice 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℃, 170℃, 160℃, and 150℃ respectively; the oven fan speed is controlled to 1600 rpm, the vehicle speed is controlled to 24-25 m / min, and the cloth falling temperature is controlled below 50℃.

[0062] The width and weight of the finished product of the present invention 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 square meter weight of the fabric is 125-130g / m 2 .

[0063] Compared with the prior art, the single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric of the present invention has the following advantages:

[0064] 1. The fabric of the present invention has a single-sided single-layer effect: it is knitted using a single-sided circular knitting machine with a single-sided tissue needle arrangement configuration of 4 needle channels and a sinker channel to assist in undoing, and a structural design in which 2 needles in every 12 needles take turns to tuck and knit in alternating knitting and every 12 needles are all knitted, wherein: the structural design makes 50D / 34F fine denier light mesh color yarn polyamide DTY filaments on both sides of the fabric, forming dark gray plain weave and dark gray lattice-shaped front and back coil fabric layers alternating with each other, with a unique appearance and a three-dimensional pattern; 3. 0D / 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, and 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.

[0065] 2. The fabric of the present invention has both high UV resistance and heat-shielding and cooling properties: 50D / 34F fine-denier light-mesh colored polyamide DTY filaments are used on both sides of the fabric, and the content accounts for 80%-82% of the entire fabric, which has the characteristics of smooth, skin-friendly and cool and icy feel; it is woven using a high-density 36-needle 34-inch single-sided circular knitting machine, so that the fabric surface density is high and can resist most ultraviolet rays; and the high-density knitted fabric will be thinner and lighter while ensuring the density, and it is thin and breathable while being able to resist ultraviolet rays; the combination of polyamide DTY filaments and high-density needles will also make the fabric have a heat-shielding function; the use of 20D polyurethane filaments makes the fabric smoother, softer and more elastic, and the wearing experience is more comfortable.

[0066] 3. The fabric of the present invention has a peculiar pattern structure: the fabric of the present invention adopts horizontal white stripes, dark gray plain weave and dark gray lattice-shaped front and back coil fabric layers, which has a unique two-color effect; and the dark gray plain weave and dark gray lattice-shaped front and back coil fabric layers make the pattern more three-dimensional and beautiful.

[0067] 4. The preparation process of the fabric of the present invention is simple: the fabric of the present invention adopts 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and 30D / 36F fine denier light mesh cationic modified polyester DTY filament to intersperse with each other, and has a unique two-color effect; the subsequent dyeing and finishing process does not need dyeing, only needs to be predetermined and set.

[0068] The single-layer high-UV-resistant, heat-shielding and cooling weft-knitted fabric produced by the above method is left to stand for 48 hours under standard conditions, and then the wearing properties of the fabric such as UV-resistant, cool and heat-shielding are tested with reference to the standards. The corresponding standards and test results are shown in Table 2.

[0069] Table 2 Fabric performance test results

[0070]

[0071]

[0072] The above embodiments and drawings do not limit the product form and style of the present invention. Any appropriate changes or modifications made thereto 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 high UV resistance, heat shielding and cooling weft-knitted fabric, characterized in that: The single-layer effect high-UV resistance, heat-shielding 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, and the yarn weight ratio of the 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 is 80%-82%: 3%-5%: 15%-17%; The single-layer effect highly UV-resistant, heat-shielding and cooling weft-knitted fabric includes a fabric body with a front side and a back side, and the patterns on the front and back sides are the same; the fabric body is provided with front and back coil fabric layers with transverse white stripes, dark gray plain weave and dark gray checkered patterns; the front and back coil fabric layers with transverse white stripes are woven from 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 from 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments and 20D polyurethane filaments.

2. A single-layer effect 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 a circular configuration of three horizontal rows of weft plain needle single-sided tissue layers.

3. A single-layer effect high UV resistance, heat shielding and cooling weft-knitted fabric as claimed in claim 1, characterized in that: The dark grey plain weave front and back coil fabric layer is formed by alternating longitudinal rows of two continuous single bead-ground needles and eight single-sided woven weft plain needles; the dark grey lattice front and back coil fabric layer is formed by alternating horizontal rows of two continuous single bead-ground needles and ten coils; each weave cycle has three dark grey plain weaves and three dark grey lattice weaves arranged in a twill shape.

4. A single-layer effect high UV resistance, heat shielding and cooling weft-knitted fabric as claimed in 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 single-layer effect high UV resistance heat shielding cool weft knitted fabric has a square meter weight of 125-130g / m 2 .

6. A method for producing a single-layer effect highly UV-resistant, heat-shielding and cool weft-knitted fabric, characterized in that: It includes a knitting weaving process and a finishing process, wherein the knitting weaving process comprises: The knitting is carried out using 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 sheet channel of sinkers to assist in undoing; wherein, the minimum cycle of a complete tissue of the highly UV-resistant, heat-shielding and cool weft-knitted fabric constituting the single-layer effect is 12 wales × 33 horizontal rows, wherein: 12 wales are arranged by 4 needle channels of 12 cylinder needles and 1 sheet channel of 1 sinker to assist in undoing, and 33 horizontal rows are arranged by 33 loop forming systems around the cylinder, wherein, The arrangement of 12 needles in a complete group is ABABCBCBDBDB, where A represents high heel needles, B represents medium-high heel needles, C represents medium-low heel needles, and D represents low heel needles; The threading method of a fully organized 33-way loop forming system is as follows: 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, 32nd way thread 50D / 34F fine denier light mesh colored yarn polyamide DTY filament and 20D polyurethane filament, the 11th, 22nd, 33rd way thread 30D / 36F fine denier light mesh cationic modified polyester DTY filament and 20D polyurethane filament; The triangle configuration of a fully organized 33-way loop system is as follows: needle A of the 1st, 3rd, 5th, 7th, and 9th needle cylinders corresponds to tuck loops, and needles B, C, and D of the needle cylinders correspond to loops; needle C of the 12th, 14th, 16th, 18th, and 20th needle cylinders corresponds to tuck loops, and needles A, B, and D of the needle cylinders correspond to loops; needle D of the 23rd, 25th, 27th, 29th, and 31st needle cylinders corresponds to tuck loops, and needles A, B, and C of the needle cylinders correspond to loops; needles A, B, C, and D of the 2nd, 4th, 6th, 8th, 10th, 11th, 13th, 15th, 17th, 19th, 21st, 22nd, 24th, 26th, 28th, 30th, 32nd, and 33rd needle cylinders correspond to loops; Table 1 is a complete triangle and threading configuration table Among them: the 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, 3 represents 20D polyurethane filament; Triangle configuration symbol description: "Δ" indicates needle cylinder looping, "∩" indicates needle cylinder tuck looping; Among them: the average length of 30D / 36F fine denier light mesh cationic modified polyester DTY filaments in every 100 loops of the single-sided looped weft knitted fabric with high UV resistance, heat shielding and cooling effect in the single-layer effect is 19-19.2cm; the average length of 50D / 34F fine denier light mesh colored yarn polyamide DTY filaments in every 100 loops of the single-beaded tissue tuck row system, loop row system and weft plain needle tissue in the single-beaded tissue is 19-19.2cm; the average length of 20D polyurethane filaments in every 100 loops of the single-layered weft knitted fabric with high UV resistance, heat shielding and cooling effect in the single-beaded tissue tuck row system, loop row system and weft plain needle tissue is 8-8.2cm.

7. According to claim 6, the post-finishing process of a single-layer effect high UV resistance heat shielding cool weft knitted fabric comprises: Fabric arrangement → sewing → pre-setting (190℃, water setting) → finished product setting (170℃) → rolling → finished product inspection and testing; Pre-forming process: Use door-width setting machine for pre-forming, add padding water, control the rolling rate to 64-67%, the setting temperature of the first to tenth ovens are: 170℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 190℃, 170℃, 160℃; the oven fan speed is set to 1600 rpm, the vehicle speed is controlled to 24-25 m / min, and the cloth falling temperature is controlled below 50℃; Finished product shaping process: semi-finished products are shaped by door-width shaping machine; padding solution is prepared according to the calibrated padding process formula; the weight of the prepared padding solution is calculated and controlled according to 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 aid, 10g / L 8613Y skin-friendly ice 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℃, 170℃, 160℃, and 150℃ respectively; the oven fan speed is controlled to 1600 rpm, the vehicle speed is controlled to 24-25 m / min, and the cloth falling temperature is controlled below 50℃.

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