A method for producing a heat-generating, environmentally friendly, high-elasticity, and customizable fabric, and the fabric itself.

Abstract

This invention provides a method for manufacturing a heat-generating, environmentally friendly, high-elastic, and customizable fabric, including the following steps: S1, manufacturing R / C yarn; S2, three-yarn weft knitting to create the greige fabric: feeding three yarns into each looping system, including an upper face yarn, a lower ground yarn, and a middle center yarn, the center yarn being 20D spandex, and both the face yarn and ground yarn being R / C yarns obtained in step 1, weft knitting the three yarns into a full loop weft structure; S3, finishing and shaping, including the following steps: S3-1: turning the fabric; S3-2: pre-shaping; S3-3: dyeing, dehydration, and opening; S3-4: secondary shaping and drying; S3-5: applying softener and tertiary shaping; S3-6: napping the front and back sides; S3-7: tertiary shaping; S3-8: ironing and shearing the front and back sides; S3-9: tertiary shaping to produce the finished product. The fabric of this invention does not fray at the edges, allowing garment factories to cut it arbitrarily without hemming, achieving a seamless and more comfortable effect. It also has strong warmth retention, a delicate and soft feel with double-sided brushing, and the material is completely biodegradable and recyclable.

Description

Technical fields:

[0001] This invention relates to the field of fabric weaving technology, specifically to a method for producing a heat-generating, environmentally friendly, high-elasticity, customizable fabric and the fabric itself. Background technology:

[0002] With the progress of the times and the further improvement of people's living standards, people's requirements for the functionality and performance of clothing are also getting higher and higher. Moreover, in recent years, the environmental and climate impacts of the greenhouse effect on the earth have made the concept of low-carbon, energy-saving and environmental protection increasingly popular. People in all fields are striving towards zero emissions and environmental protection and energy conservation. Wearing warm clothing in winter can effectively reduce the use of air conditioning heating in the south and the reliance on heating in the north, thus saving electricity and coal and protecting the ecological environment.

[0003] In recent years, thermal underwear fabrics made of acrylic fiber, used in autumn and winter, have been widely praised for their fluffiness, softness, warmth, and "double resistance": anti-static and anti-pilling. However, this fabric has the following problems:

[0004] 1. Acrylic fabrics have poor moisture absorption, are easily soiled, and have poor breathability, making them feel stuffy when worn.

[0005] 2. Acrylic fiber, scientifically known as polyacrylonitrile fiber, is a synthetic fiber that is difficult to degrade and will damage the ecological environment when discarded.

[0006] 3. The edges are prone to coming loose and fraying during cutting, so it is necessary to overlock the edges. However, overlocking will leave marks and reduce the comfort of wearing the garment.

[0007] Therefore, we urgently need a new type of environmentally friendly thermal fabric that is both warm and breathable, environmentally friendly and sustainable, reasonably priced, and has a guaranteed production capacity.

[0008] Meanwhile, ordinary fabrics have the following disadvantages in terms of production process:

[0009] 1. All fabrics are produced using a three-stage setting method: pre-setting of the greige fabric, secondary setting after napping, and final setting after shearing and ironing. Fabrics produced by this setting method are prone to fading, have poor softness, and are prone to pilling and fuzzing, resulting in poor wearing comfort.

[0010] 2. Ordinary fabrics are usually brushed, ironed, and sheared on one side only. Their fabric structure cannot achieve brushing, ironing, and shearing on both sides, resulting in fabrics having a front and back side, and a less delicate and soft feel. Summary of the Invention:

[0011] To address the aforementioned issues, a method for manufacturing a heat-generating, environmentally friendly, highly elastic, and customizable fabric is provided, comprising the following steps:

[0012] S1. Production of R / C yarn: 40-count R / C yarn is made from a blend of 50% man-made cellulose fiber and 50% pure cotton fiber.

[0013] S2. Three-yarn weft knitting fabric: Three yarns are fed into each loop forming system, including an upper face yarn, a lower ground yarn, and a middle yarn set between the face yarn and the ground yarn. The middle yarn is 20D spandex, and the face yarn and the ground yarn are both R / C yarns obtained in step 1. The three yarns are weft knitted into a full loop yarn filling structure.

[0014] S3, Finishing and Shaping, includes the following steps: S3-1: Turn the greige fabric obtained in step 2 over. S3-2: Pre-shape the greige fabric. S3-3: Dye the greige fabric, dehydrate and open it. S3-4: Secondary shaping and drying. S3-5: Apply softener and tertiary shaping. S3-6: Nailing: Nail the front and back of the greige fabric. S3-7: Fourth shaping. S3-8: Iron and trim the nap on the front and back of the greige fabric. S3-9: Fifth shaping, to produce the finished product.

[0015] In step S3-2: the pre-forming parameters are: the fabric is pre-formed at a high temperature of 210℃, and the fabric feeding speed is 30 meters / minute.

[0016] In step S3-3: during dyeing, dehydration and opening, the boiling temperature is 98 degrees Celsius and the holding time is 40 minutes; the dyeing temperature is 60 degrees Celsius and the holding time is 30 minutes; the soaping temperature is 85 degrees Celsius and the holding time is 15 minutes; and the overall pH value temperature is 40 degrees Celsius and the holding time is 15 minutes.

[0017] In steps S3-4: the secondary setting temperature is 180℃, the fabric feeding speed is 35 meters / minute, the drying temperature is 110℃, and the overfeed is controlled at 12%.

[0018] In steps S3-5: the mass ratio of softener to greige fabric is 1:120, the softening process temperature is maintained at 40℃ for 20 minutes, the three-stage setting temperature is 180℃, and the fabric feeding speed is 40 meters / minute.

[0019] In steps S3-6: napping is performed by using a 48-roller, 420-needle roller napping machine at 100-120°C to nap both the front and back sides of the fabric once each.

[0020] In steps S3-7: the four-stage setting process involves feeding the fabric into a tenter frame for baking, with the baking temperature set at 170℃ and the baking time at 1 minute. The baked fabric is then stretched and set again, with the feeding speed set at 40 meters per minute and the temperature set at 120℃.

[0021] In steps S3-8: the front and back sides of the fabric are calendered once each using a calendering temperature of 180℃, and the front and back sides of the fabric are sheared once each using 28 high-density circular knives.

[0022] In steps S3-9: the five shaping temperatures and speeds are 180℃ and the fabric feeding speed is 45 meters / minute.

[0023] This invention provides a heat-generating, environmentally friendly, high-elasticity, customizable fabric. Its structure is a full-loop yarn-filled weft-knitted structure consisting of three yarns, including a face yarn, a ground yarn, and a middle yarn disposed between the face yarn and the ground yarn. The middle yarn is 20D spandex, and both the face yarn and the ground yarn are R / C yarns. The R / C yarns are made of a blend of man-made cellulose fiber and pure cotton fiber.

[0024] The R / C yarn is a 40-count R / C yarn made from a blend of 50% man-made cellulose fiber and 50% pure cotton fiber.

[0025] The full-loop yarn-filled structure is a structure obtained by double-sided knitting of the face yarn, ground yarn, and center yarn using a circular knitting machine.

[0026] The present invention has the following advantages:

[0027] 1. Made with environmentally friendly materials: The yarn and ground yarn are made of a blend of man-made cellulose fiber and pure cotton fiber, which is both warm and breathable, and the material is easily degradable and will not cause pollution to the environment.

[0028] 2. The weaving process uses a structure of face yarn, ground yarn, and middle yarn, with spandex located between the face yarn and ground yarn, ensuring the elasticity of the fabric. At the same time, it is not easy to shrink or fray during cutting, and there is no need to hem after cutting. When the garment is made, there are no marks, and it is comfortable to wear.

[0029] 3. The production process employs 5 shaping steps: Compared to ordinary fabrics, this invention adds one shaping step after the dyeing step and the softener addition step, making the fabric less prone to fading and softer.

[0030] 4. The weaving process uses face yarn, ground yarn, and middle yarn, and both face yarn and ground yarn are R / C yarn, which allows the fabric to undergo double-sided napping, ironing, and shearing processes. It has the characteristics of soft hand feel, light texture, anti-static, strong warmth retention, and not easy to pill. Attached image description:

[0031] Figure 1 This is a front structural diagram of the present invention.

[0032] Attached image labels:

[0033] 1. Face veil 2. Ground veil 3. Middle veil Detailed implementation method:

[0034] As shown in the figure, this invention provides a method for manufacturing a heat-generating, environmentally friendly, highly elastic, and customizable fabric, comprising the following steps:

[0035] S1. Production of R / C yarn: 40-count R / C yarn is made from a blend of 50% man-made cellulose fiber and 50% pure cotton fiber.

[0036] S2. Three-yarn weft knitting fabric: Three yarns are fed into each loop forming system, including the upper face yarn 1, the lower ground yarn 2, and the middle yarn 3 set between the face yarn 1 and the ground yarn 2. The middle yarn 3 is 20D spandex. The face yarn 1 and the ground yarn 2 are both R / C yarns obtained in step 1. The three yarns are weft knitted into a full loop yarn filling structure.

[0037] S3, Finishing and Shaping, includes the following steps: S3-1: Turn the greige fabric obtained in step 2 over. S3-2: Pre-shape the greige fabric. S3-3: Dye the greige fabric, dehydrate and open it. S3-4: Secondary shaping and drying. S3-5: Apply softener and tertiary shaping. S3-6: Nailing: Nail the front and back of the greige fabric. S3-7: Fourth shaping. S3-8: Iron and trim the nap on the front and back of the greige fabric. S3-9: Fifth shaping, to produce the finished product.

[0038] In step S3-2: the pre-forming parameters are: the fabric is pre-formed at a high temperature of 210℃, and the fabric feeding speed is 30 meters / minute.

[0039] In step S3-3: during dyeing, dehydration and opening, the boiling temperature is 98 degrees Celsius and the holding time is 40 minutes; the dyeing temperature is 60 degrees Celsius and the holding time is 30 minutes; the soaping temperature is 85 degrees Celsius and the holding time is 15 minutes; and the overall pH value temperature is 40 degrees Celsius and the holding time is 15 minutes.

[0040] In steps S3-4: the secondary setting temperature is 180℃, the fabric feeding speed is 35 meters / minute, the drying temperature is 110℃, and the overfeed is controlled at 12%.

[0041] In steps S3-5: the mass ratio of softener to greige fabric is 1:120, the softening process temperature is maintained at 40℃ for 20 minutes, the three-stage setting temperature is 180℃, and the fabric feeding speed is 40 meters / minute.

[0042] In steps S3-6: napping is performed by using a 48-roller, 420-needle roller napping machine at 100-120°C to nap both the front and back sides of the fabric once each.

[0043] In steps S3-7: the four-stage setting process involves feeding the fabric into a tenter frame for baking, with the baking temperature set at 170℃ and the baking time at 1 minute. The baked fabric is then stretched and set again, with the feeding speed set at 40 meters per minute and the temperature set at 120℃.

[0044] In steps S3-8: the front and back sides of the fabric are calendered once each using a calendering temperature of 180℃, and the front and back sides of the fabric are sheared once each using 28 high-density circular knives.

[0045] In steps S3-9: the five shaping temperatures and speeds are 180℃ and the fabric feeding speed is 45 meters / minute.

[0046] This invention provides a heat-generating, environmentally friendly, high-elasticity, and customizable fabric. Its structure is a full-loop yarn-filled weft-knitted structure consisting of three yarns, including a face yarn 1, a ground yarn 2, and a middle yarn 3 disposed between the face yarn 1 and the ground yarn 2. The middle yarn 3 is 20D spandex, and both the face yarn 1 and the ground yarn 2 are R / C yarns, which are made of a blend of man-made cellulose fiber and pure cotton fiber.

[0047] The R / C yarn is a 40-count R / C yarn made from a blend of 50% man-made cellulose fiber and 50% pure cotton fiber.

[0048] The full-loop yarn-filling structure is a structure obtained by double-sided knitting of the face yarn 1, ground yarn 2 and center yarn 3 using a circular knitting machine.

[0049] The artificial cellulose fiber used is "U-Crystal," whose fiber raw material is derived from natural renewable plantations, 100% high-quality wood source material, from which high-quality cellulose fiber is extracted, and through a variety of technologies, the fiber has more functionality, safety and comfort, while being completely degradable and recyclable.

[0050] The pure cotton fiber used is Xinjiang combed cotton, with fibers reaching up to 35 mm in length. Cotton fibers have strong moisture absorption; they are porous materials with irregularly arranged molecules and contain a large number of hydrophilic structures. They offer good warmth retention, as cotton fibers are poor conductors of heat, and the inner cavity is filled with stagnant air, making them comfortable to wear, soft to the touch, static-free, breathable, and hypoallergenic.

[0051] The 20D spandex is made of ultra-fine elastic fiber 20D OP.

[0052] The optimal weft density of the fabric of this invention for its effect on human skin is 31cm x 11.2cm / 100 stitches. The outer layer of the fabric uses a blend of high-quality combed cotton and nylon yarn in contact with the skin, with a fabric weight of 280-300 grams per square meter, representing the optimal fabric density. The clever use of an up-and-down stitching method on the spandex, with double-sided spandex, prevents the fabric from fraying, allowing garment factories to cut it freely without hemming, achieving a seamless and more comfortable finish. This spandex arrangement also makes the fabric surface denser and smoother.

[0053] Through testing of "Moisture-wicking and heat-generating knitted underwear", it truly locks in and retains heat, with an average temperature increase of 3.1 degrees Celsius within 30 minutes and a maximum temperature increase of 5.6 degrees Celsius.

[0054] According to SGS testing, the safety technical category of GB18401-2010 National Basic Safety Technical Specification for Textile Products is Class A.

[0055] According to SGS testing, the pilling performance was rated as level 4, indicating that it is not prone to pilling.

[0056] Yarn made from a blend of cotton and yogurt is completely biodegradable and recyclable. Both cotton and yogurt originate from nature and can return to nature, and are internationally recognized.

[0057] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for manufacturing a heat-generating, environmentally friendly, highly elastic, and freely cut fabric, characterized in that, Includes the following steps: S1. Production of R / C yarn: 40-count R / C yarn is made from a blend of 50% man-made cellulose fiber and 50% pure cotton fiber. S2, Three-yarn weft knitting fabric: Three yarns are fed into each loop forming system, including the upper face yarn (1), the lower ground yarn (2) and the middle yarn (3) set between the face yarn (1) and the ground yarn (2). The middle yarn (3) is 20D spandex. The face yarn (1) and the ground yarn (2) are both R / C yarns obtained in step S1. The three yarns are weft knitted into a full loop yarn filling structure. S3, finishing and shaping, includes the following steps: S3-1: Turn the greige fabric obtained in step S2 over; S3-2: Pre-shape the greige fabric; S3-3: Dye the greige fabric, dehydrate and open it; S3-4: Secondary shaping and drying; S3-5: Apply softener and tertiary shaping; S3-6: Nailing: Nail the front and back of the greige fabric; S3-7: Fourth shaping; S3-8: Iron and trim the front and back of the greige fabric; S3-9: Fifth shaping to produce the finished product; In steps S3-5: the mass ratio of softener to greige fabric is 1:120, the softening process temperature is maintained at 40℃ for 20 minutes, the three-stage setting temperature is 180℃, and the fabric feeding speed is 40 meters / minute. In steps S3-6: napping is performed by using a 48-roller, 420-needle roller napping machine at 100-120°C to nap both the front and back sides of the fabric once each. In steps S3-7: the four-stage setting process involves feeding the fabric into a tenter frame for baking, with the baking temperature set at 170℃ and the baking time at 1 minute. The baked fabric is then stretched and set again, with the feeding speed set at 40 meters per minute and the temperature set at 120℃. In steps S3-8: the front and back sides of the fabric are heat-treated once each at a heat-treatment temperature of 180°C, and the front and back sides of the fabric are sheared once each using 28 high-density circular knives. In steps S3-9: the five shaping temperatures and speeds are 180℃ and the fabric feeding speed is 45 meters / minute.

2. The method for manufacturing the heat-generating, environmentally friendly, high-elasticity, customizable fabric according to claim 1, characterized in that, In step S3-2: the pre-forming parameters are: the fabric is pre-formed at a high temperature of 210℃, and the fabric feeding speed is 30 meters / minute; In steps S3-4: the secondary setting temperature is 180℃, the fabric feeding speed is 35 meters / minute, the drying temperature is 110℃, and the overfeed is controlled at 12%.

3. The heat-generating, environmentally friendly, high-elasticity, customizable fabric obtained by the method according to claim 1, characterized in that... Its structure is a full loop yarn filling structure woven by three yarns weft, including face yarn (1), ground yarn (2) and middle yarn (3) set between face yarn (1) and ground yarn (2). The middle yarn (3) is 20D spandex. Both face yarn (1) and ground yarn (2) are R / C yarns. The R / C yarn is made of a blend of man-made cellulose fiber and pure cotton fiber.

4. The heat-generating, environmentally friendly, high-elasticity, customizable fabric according to claim 3, characterized in that, The R / C yarn is a 40-count R / C yarn made from a blend of 50% man-made cellulose fiber and 50% pure cotton fiber.

5. The heat-generating, environmentally friendly, high-elasticity, customizable fabric according to claim 3, characterized in that, The full-coil yarn-filled structure is a structure obtained by double-sided knitting of the face yarn (1), ground yarn (2) and center yarn (3) using a circular knitting machine.

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